1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/gonk/libui/InputReader.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,6511 @@
1.4 +/*
1.5 + * Copyright (C) 2010 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#define LOG_TAG "InputReader"
1.21 +
1.22 +//#define LOG_NDEBUG 0
1.23 +#include "cutils_log.h"
1.24 +
1.25 +// Log debug messages for each raw event received from the EventHub.
1.26 +#define DEBUG_RAW_EVENTS 0
1.27 +
1.28 +// Log debug messages about touch screen filtering hacks.
1.29 +#define DEBUG_HACKS 0
1.30 +
1.31 +// Log debug messages about virtual key processing.
1.32 +#define DEBUG_VIRTUAL_KEYS 0
1.33 +
1.34 +// Log debug messages about pointers.
1.35 +#define DEBUG_POINTERS 0
1.36 +
1.37 +// Log debug messages about pointer assignment calculations.
1.38 +#define DEBUG_POINTER_ASSIGNMENT 0
1.39 +
1.40 +// Log debug messages about gesture detection.
1.41 +#define DEBUG_GESTURES 0
1.42 +
1.43 +// Log debug messages about the vibrator.
1.44 +#define DEBUG_VIBRATOR 0
1.45 +
1.46 +#include "InputReader.h"
1.47 +
1.48 +#include "Keyboard.h"
1.49 +#include "VirtualKeyMap.h"
1.50 +
1.51 +#include <stddef.h>
1.52 +#include <stdlib.h>
1.53 +#include <unistd.h>
1.54 +#include <errno.h>
1.55 +#include <limits.h>
1.56 +#include <math.h>
1.57 +
1.58 +#define INDENT " "
1.59 +#define INDENT2 " "
1.60 +#define INDENT3 " "
1.61 +#define INDENT4 " "
1.62 +#define INDENT5 " "
1.63 +
1.64 +namespace android {
1.65 +
1.66 +// --- Constants ---
1.67 +
1.68 +// Maximum number of slots supported when using the slot-based Multitouch Protocol B.
1.69 +static const size_t MAX_SLOTS = 32;
1.70 +
1.71 +// --- Static Functions ---
1.72 +
1.73 +template<typename T>
1.74 +inline static T abs(const T& value) {
1.75 + return value < 0 ? - value : value;
1.76 +}
1.77 +
1.78 +template<typename T>
1.79 +inline static T min(const T& a, const T& b) {
1.80 + return a < b ? a : b;
1.81 +}
1.82 +
1.83 +template<typename T>
1.84 +inline static void swap(T& a, T& b) {
1.85 + T temp = a;
1.86 + a = b;
1.87 + b = temp;
1.88 +}
1.89 +
1.90 +inline static float avg(float x, float y) {
1.91 + return (x + y) / 2;
1.92 +}
1.93 +
1.94 +inline static float distance(float x1, float y1, float x2, float y2) {
1.95 + return hypotf(x1 - x2, y1 - y2);
1.96 +}
1.97 +
1.98 +inline static int32_t signExtendNybble(int32_t value) {
1.99 + return value >= 8 ? value - 16 : value;
1.100 +}
1.101 +
1.102 +static inline const char* toString(bool value) {
1.103 + return value ? "true" : "false";
1.104 +}
1.105 +
1.106 +static int32_t rotateValueUsingRotationMap(int32_t value, int32_t orientation,
1.107 + const int32_t map[][4], size_t mapSize) {
1.108 + if (orientation != DISPLAY_ORIENTATION_0) {
1.109 + for (size_t i = 0; i < mapSize; i++) {
1.110 + if (value == map[i][0]) {
1.111 + return map[i][orientation];
1.112 + }
1.113 + }
1.114 + }
1.115 + return value;
1.116 +}
1.117 +
1.118 +static const int32_t keyCodeRotationMap[][4] = {
1.119 + // key codes enumerated counter-clockwise with the original (unrotated) key first
1.120 + // no rotation, 90 degree rotation, 180 degree rotation, 270 degree rotation
1.121 + { AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT },
1.122 + { AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN },
1.123 + { AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT },
1.124 + { AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP },
1.125 +};
1.126 +static const size_t keyCodeRotationMapSize =
1.127 + sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
1.128 +
1.129 +static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
1.130 + return rotateValueUsingRotationMap(keyCode, orientation,
1.131 + keyCodeRotationMap, keyCodeRotationMapSize);
1.132 +}
1.133 +
1.134 +static void rotateDelta(int32_t orientation, float* deltaX, float* deltaY) {
1.135 + float temp;
1.136 + switch (orientation) {
1.137 + case DISPLAY_ORIENTATION_90:
1.138 + temp = *deltaX;
1.139 + *deltaX = *deltaY;
1.140 + *deltaY = -temp;
1.141 + break;
1.142 +
1.143 + case DISPLAY_ORIENTATION_180:
1.144 + *deltaX = -*deltaX;
1.145 + *deltaY = -*deltaY;
1.146 + break;
1.147 +
1.148 + case DISPLAY_ORIENTATION_270:
1.149 + temp = *deltaX;
1.150 + *deltaX = -*deltaY;
1.151 + *deltaY = temp;
1.152 + break;
1.153 + }
1.154 +}
1.155 +
1.156 +static inline bool sourcesMatchMask(uint32_t sources, uint32_t sourceMask) {
1.157 + return (sources & sourceMask & ~ AINPUT_SOURCE_CLASS_MASK) != 0;
1.158 +}
1.159 +
1.160 +// Returns true if the pointer should be reported as being down given the specified
1.161 +// button states. This determines whether the event is reported as a touch event.
1.162 +static bool isPointerDown(int32_t buttonState) {
1.163 + return buttonState &
1.164 + (AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY
1.165 + | AMOTION_EVENT_BUTTON_TERTIARY);
1.166 +}
1.167 +
1.168 +static float calculateCommonVector(float a, float b) {
1.169 + if (a > 0 && b > 0) {
1.170 + return a < b ? a : b;
1.171 + } else if (a < 0 && b < 0) {
1.172 + return a > b ? a : b;
1.173 + } else {
1.174 + return 0;
1.175 + }
1.176 +}
1.177 +
1.178 +static void synthesizeButtonKey(InputReaderContext* context, int32_t action,
1.179 + nsecs_t when, int32_t deviceId, uint32_t source,
1.180 + uint32_t policyFlags, int32_t lastButtonState, int32_t currentButtonState,
1.181 + int32_t buttonState, int32_t keyCode) {
1.182 + if (
1.183 + (action == AKEY_EVENT_ACTION_DOWN
1.184 + && !(lastButtonState & buttonState)
1.185 + && (currentButtonState & buttonState))
1.186 + || (action == AKEY_EVENT_ACTION_UP
1.187 + && (lastButtonState & buttonState)
1.188 + && !(currentButtonState & buttonState))) {
1.189 + NotifyKeyArgs args(when, deviceId, source, policyFlags,
1.190 + action, 0, keyCode, 0, context->getGlobalMetaState(), when);
1.191 + context->getListener()->notifyKey(&args);
1.192 + }
1.193 +}
1.194 +
1.195 +static void synthesizeButtonKeys(InputReaderContext* context, int32_t action,
1.196 + nsecs_t when, int32_t deviceId, uint32_t source,
1.197 + uint32_t policyFlags, int32_t lastButtonState, int32_t currentButtonState) {
1.198 + synthesizeButtonKey(context, action, when, deviceId, source, policyFlags,
1.199 + lastButtonState, currentButtonState,
1.200 + AMOTION_EVENT_BUTTON_BACK, AKEYCODE_BACK);
1.201 + synthesizeButtonKey(context, action, when, deviceId, source, policyFlags,
1.202 + lastButtonState, currentButtonState,
1.203 + AMOTION_EVENT_BUTTON_FORWARD, AKEYCODE_FORWARD);
1.204 +}
1.205 +
1.206 +
1.207 +// --- InputReaderConfiguration ---
1.208 +
1.209 +bool InputReaderConfiguration::getDisplayInfo(bool external, DisplayViewport* outViewport) const {
1.210 + const DisplayViewport& viewport = external ? mExternalDisplay : mInternalDisplay;
1.211 + if (viewport.displayId >= 0) {
1.212 + *outViewport = viewport;
1.213 + return true;
1.214 + }
1.215 + return false;
1.216 +}
1.217 +
1.218 +void InputReaderConfiguration::setDisplayInfo(bool external, const DisplayViewport& viewport) {
1.219 + DisplayViewport& v = external ? mExternalDisplay : mInternalDisplay;
1.220 + v = viewport;
1.221 +}
1.222 +
1.223 +
1.224 +// --- InputReader ---
1.225 +
1.226 +InputReader::InputReader(const sp<EventHubInterface>& eventHub,
1.227 + const sp<InputReaderPolicyInterface>& policy,
1.228 + const sp<InputListenerInterface>& listener) :
1.229 + mContext(this), mEventHub(eventHub), mPolicy(policy),
1.230 + mGlobalMetaState(0), mGeneration(1),
1.231 + mDisableVirtualKeysTimeout(LLONG_MIN), mNextTimeout(LLONG_MAX),
1.232 + mConfigurationChangesToRefresh(0) {
1.233 + mQueuedListener = new QueuedInputListener(listener);
1.234 +
1.235 + { // acquire lock
1.236 + AutoMutex _l(mLock);
1.237 +
1.238 + refreshConfigurationLocked(0);
1.239 + updateGlobalMetaStateLocked();
1.240 + } // release lock
1.241 +}
1.242 +
1.243 +InputReader::~InputReader() {
1.244 + for (size_t i = 0; i < mDevices.size(); i++) {
1.245 + delete mDevices.valueAt(i);
1.246 + }
1.247 +}
1.248 +
1.249 +void InputReader::loopOnce() {
1.250 + int32_t oldGeneration;
1.251 + int32_t timeoutMillis;
1.252 + bool inputDevicesChanged = false;
1.253 + Vector<InputDeviceInfo> inputDevices;
1.254 + { // acquire lock
1.255 + AutoMutex _l(mLock);
1.256 +
1.257 + oldGeneration = mGeneration;
1.258 + timeoutMillis = -1;
1.259 +
1.260 + uint32_t changes = mConfigurationChangesToRefresh;
1.261 + if (changes) {
1.262 + mConfigurationChangesToRefresh = 0;
1.263 + timeoutMillis = 0;
1.264 + refreshConfigurationLocked(changes);
1.265 + } else if (mNextTimeout != LLONG_MAX) {
1.266 + nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
1.267 + timeoutMillis = toMillisecondTimeoutDelay(now, mNextTimeout);
1.268 + }
1.269 + } // release lock
1.270 +
1.271 + size_t count = mEventHub->getEvents(timeoutMillis, mEventBuffer, EVENT_BUFFER_SIZE);
1.272 +
1.273 + { // acquire lock
1.274 + AutoMutex _l(mLock);
1.275 + mReaderIsAliveCondition.broadcast();
1.276 +
1.277 + if (count) {
1.278 + processEventsLocked(mEventBuffer, count);
1.279 + }
1.280 +
1.281 + if (mNextTimeout != LLONG_MAX) {
1.282 + nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
1.283 + if (now >= mNextTimeout) {
1.284 +#if DEBUG_RAW_EVENTS
1.285 + ALOGD("Timeout expired, latency=%0.3fms", (now - mNextTimeout) * 0.000001f);
1.286 +#endif
1.287 + mNextTimeout = LLONG_MAX;
1.288 + timeoutExpiredLocked(now);
1.289 + }
1.290 + }
1.291 +
1.292 + if (oldGeneration != mGeneration) {
1.293 + inputDevicesChanged = true;
1.294 + getInputDevicesLocked(inputDevices);
1.295 + }
1.296 + } // release lock
1.297 +
1.298 + // Send out a message that the describes the changed input devices.
1.299 + if (inputDevicesChanged) {
1.300 + mPolicy->notifyInputDevicesChanged(inputDevices);
1.301 + }
1.302 +
1.303 + // Flush queued events out to the listener.
1.304 + // This must happen outside of the lock because the listener could potentially call
1.305 + // back into the InputReader's methods, such as getScanCodeState, or become blocked
1.306 + // on another thread similarly waiting to acquire the InputReader lock thereby
1.307 + // resulting in a deadlock. This situation is actually quite plausible because the
1.308 + // listener is actually the input dispatcher, which calls into the window manager,
1.309 + // which occasionally calls into the input reader.
1.310 + mQueuedListener->flush();
1.311 +}
1.312 +
1.313 +void InputReader::processEventsLocked(const RawEvent* rawEvents, size_t count) {
1.314 + for (const RawEvent* rawEvent = rawEvents; count;) {
1.315 + int32_t type = rawEvent->type;
1.316 + size_t batchSize = 1;
1.317 + if (type < EventHubInterface::FIRST_SYNTHETIC_EVENT) {
1.318 + int32_t deviceId = rawEvent->deviceId;
1.319 + while (batchSize < count) {
1.320 + if (rawEvent[batchSize].type >= EventHubInterface::FIRST_SYNTHETIC_EVENT
1.321 + || rawEvent[batchSize].deviceId != deviceId) {
1.322 + break;
1.323 + }
1.324 + batchSize += 1;
1.325 + }
1.326 +#if DEBUG_RAW_EVENTS
1.327 + ALOGD("BatchSize: %d Count: %d", batchSize, count);
1.328 +#endif
1.329 + processEventsForDeviceLocked(deviceId, rawEvent, batchSize);
1.330 + } else {
1.331 + switch (rawEvent->type) {
1.332 + case EventHubInterface::DEVICE_ADDED:
1.333 + addDeviceLocked(rawEvent->when, rawEvent->deviceId);
1.334 + break;
1.335 + case EventHubInterface::DEVICE_REMOVED:
1.336 + removeDeviceLocked(rawEvent->when, rawEvent->deviceId);
1.337 + break;
1.338 + case EventHubInterface::FINISHED_DEVICE_SCAN:
1.339 + handleConfigurationChangedLocked(rawEvent->when);
1.340 + break;
1.341 + default:
1.342 + ALOG_ASSERT(false); // can't happen
1.343 + break;
1.344 + }
1.345 + }
1.346 + count -= batchSize;
1.347 + rawEvent += batchSize;
1.348 + }
1.349 +}
1.350 +
1.351 +void InputReader::addDeviceLocked(nsecs_t when, int32_t deviceId) {
1.352 + ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
1.353 + if (deviceIndex >= 0) {
1.354 + ALOGW("Ignoring spurious device added event for deviceId %d.", deviceId);
1.355 + return;
1.356 + }
1.357 +
1.358 + InputDeviceIdentifier identifier = mEventHub->getDeviceIdentifier(deviceId);
1.359 + uint32_t classes = mEventHub->getDeviceClasses(deviceId);
1.360 +
1.361 + InputDevice* device = createDeviceLocked(deviceId, identifier, classes);
1.362 + device->configure(when, &mConfig, 0);
1.363 + device->reset(when);
1.364 +
1.365 + if (device->isIgnored()) {
1.366 + ALOGI("Device added: id=%d, name='%s' (ignored non-input device)", deviceId,
1.367 + identifier.name.string());
1.368 + } else {
1.369 + ALOGI("Device added: id=%d, name='%s', sources=0x%08x", deviceId,
1.370 + identifier.name.string(), device->getSources());
1.371 + }
1.372 +
1.373 + mDevices.add(deviceId, device);
1.374 + bumpGenerationLocked();
1.375 +}
1.376 +
1.377 +void InputReader::removeDeviceLocked(nsecs_t when, int32_t deviceId) {
1.378 + InputDevice* device = NULL;
1.379 + ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
1.380 + if (deviceIndex < 0) {
1.381 + ALOGW("Ignoring spurious device removed event for deviceId %d.", deviceId);
1.382 + return;
1.383 + }
1.384 +
1.385 + device = mDevices.valueAt(deviceIndex);
1.386 + mDevices.removeItemsAt(deviceIndex, 1);
1.387 + bumpGenerationLocked();
1.388 +
1.389 + if (device->isIgnored()) {
1.390 + ALOGI("Device removed: id=%d, name='%s' (ignored non-input device)",
1.391 + device->getId(), device->getName().string());
1.392 + } else {
1.393 + ALOGI("Device removed: id=%d, name='%s', sources=0x%08x",
1.394 + device->getId(), device->getName().string(), device->getSources());
1.395 + }
1.396 +
1.397 + device->reset(when);
1.398 + delete device;
1.399 +}
1.400 +
1.401 +InputDevice* InputReader::createDeviceLocked(int32_t deviceId,
1.402 + const InputDeviceIdentifier& identifier, uint32_t classes) {
1.403 + InputDevice* device = new InputDevice(&mContext, deviceId, bumpGenerationLocked(),
1.404 + identifier, classes);
1.405 +
1.406 + // External devices.
1.407 + if (classes & INPUT_DEVICE_CLASS_EXTERNAL) {
1.408 + device->setExternal(true);
1.409 + }
1.410 +
1.411 + // Switch-like devices.
1.412 + if (classes & INPUT_DEVICE_CLASS_SWITCH) {
1.413 + device->addMapper(new SwitchInputMapper(device));
1.414 + }
1.415 +
1.416 + // Vibrator-like devices.
1.417 + if (classes & INPUT_DEVICE_CLASS_VIBRATOR) {
1.418 + device->addMapper(new VibratorInputMapper(device));
1.419 + }
1.420 +
1.421 + // Keyboard-like devices.
1.422 + uint32_t keyboardSource = 0;
1.423 + int32_t keyboardType = AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC;
1.424 + if (classes & INPUT_DEVICE_CLASS_KEYBOARD) {
1.425 + keyboardSource |= AINPUT_SOURCE_KEYBOARD;
1.426 + }
1.427 + if (classes & INPUT_DEVICE_CLASS_ALPHAKEY) {
1.428 + keyboardType = AINPUT_KEYBOARD_TYPE_ALPHABETIC;
1.429 + }
1.430 + if (classes & INPUT_DEVICE_CLASS_DPAD) {
1.431 + keyboardSource |= AINPUT_SOURCE_DPAD;
1.432 + }
1.433 + if (classes & INPUT_DEVICE_CLASS_GAMEPAD) {
1.434 + keyboardSource |= AINPUT_SOURCE_GAMEPAD;
1.435 + }
1.436 +
1.437 + if (keyboardSource != 0) {
1.438 + device->addMapper(new KeyboardInputMapper(device, keyboardSource, keyboardType));
1.439 + }
1.440 +
1.441 + // Cursor-like devices.
1.442 + if (classes & INPUT_DEVICE_CLASS_CURSOR) {
1.443 + device->addMapper(new CursorInputMapper(device));
1.444 + }
1.445 +
1.446 + // Touchscreens and touchpad devices.
1.447 + if (classes & INPUT_DEVICE_CLASS_TOUCH_MT) {
1.448 + device->addMapper(new MultiTouchInputMapper(device));
1.449 + } else if (classes & INPUT_DEVICE_CLASS_TOUCH) {
1.450 + device->addMapper(new SingleTouchInputMapper(device));
1.451 + }
1.452 +
1.453 + // Joystick-like devices.
1.454 + if (classes & INPUT_DEVICE_CLASS_JOYSTICK) {
1.455 + device->addMapper(new JoystickInputMapper(device));
1.456 + }
1.457 +
1.458 + return device;
1.459 +}
1.460 +
1.461 +void InputReader::processEventsForDeviceLocked(int32_t deviceId,
1.462 + const RawEvent* rawEvents, size_t count) {
1.463 + ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
1.464 + if (deviceIndex < 0) {
1.465 + ALOGW("Discarding event for unknown deviceId %d.", deviceId);
1.466 + return;
1.467 + }
1.468 +
1.469 + InputDevice* device = mDevices.valueAt(deviceIndex);
1.470 + if (device->isIgnored()) {
1.471 + //ALOGD("Discarding event for ignored deviceId %d.", deviceId);
1.472 + return;
1.473 + }
1.474 +
1.475 + device->process(rawEvents, count);
1.476 +}
1.477 +
1.478 +void InputReader::timeoutExpiredLocked(nsecs_t when) {
1.479 + for (size_t i = 0; i < mDevices.size(); i++) {
1.480 + InputDevice* device = mDevices.valueAt(i);
1.481 + if (!device->isIgnored()) {
1.482 + device->timeoutExpired(when);
1.483 + }
1.484 + }
1.485 +}
1.486 +
1.487 +void InputReader::handleConfigurationChangedLocked(nsecs_t when) {
1.488 + // Reset global meta state because it depends on the list of all configured devices.
1.489 + updateGlobalMetaStateLocked();
1.490 +
1.491 + // Enqueue configuration changed.
1.492 + NotifyConfigurationChangedArgs args(when);
1.493 + mQueuedListener->notifyConfigurationChanged(&args);
1.494 +}
1.495 +
1.496 +void InputReader::refreshConfigurationLocked(uint32_t changes) {
1.497 + mPolicy->getReaderConfiguration(&mConfig);
1.498 + mEventHub->setExcludedDevices(mConfig.excludedDeviceNames);
1.499 +
1.500 + if (changes) {
1.501 + ALOGI("Reconfiguring input devices. changes=0x%08x", changes);
1.502 + nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
1.503 +
1.504 + if (changes & InputReaderConfiguration::CHANGE_MUST_REOPEN) {
1.505 + mEventHub->requestReopenDevices();
1.506 + } else {
1.507 + for (size_t i = 0; i < mDevices.size(); i++) {
1.508 + InputDevice* device = mDevices.valueAt(i);
1.509 + device->configure(now, &mConfig, changes);
1.510 + }
1.511 + }
1.512 + }
1.513 +}
1.514 +
1.515 +void InputReader::updateGlobalMetaStateLocked() {
1.516 + mGlobalMetaState = 0;
1.517 +
1.518 + for (size_t i = 0; i < mDevices.size(); i++) {
1.519 + InputDevice* device = mDevices.valueAt(i);
1.520 + mGlobalMetaState |= device->getMetaState();
1.521 + }
1.522 +}
1.523 +
1.524 +int32_t InputReader::getGlobalMetaStateLocked() {
1.525 + return mGlobalMetaState;
1.526 +}
1.527 +
1.528 +void InputReader::disableVirtualKeysUntilLocked(nsecs_t time) {
1.529 + mDisableVirtualKeysTimeout = time;
1.530 +}
1.531 +
1.532 +bool InputReader::shouldDropVirtualKeyLocked(nsecs_t now,
1.533 + InputDevice* device, int32_t keyCode, int32_t scanCode) {
1.534 + if (now < mDisableVirtualKeysTimeout) {
1.535 + ALOGI("Dropping virtual key from device %s because virtual keys are "
1.536 + "temporarily disabled for the next %0.3fms. keyCode=%d, scanCode=%d",
1.537 + device->getName().string(),
1.538 + (mDisableVirtualKeysTimeout - now) * 0.000001,
1.539 + keyCode, scanCode);
1.540 + return true;
1.541 + } else {
1.542 + return false;
1.543 + }
1.544 +}
1.545 +
1.546 +void InputReader::fadePointerLocked() {
1.547 + for (size_t i = 0; i < mDevices.size(); i++) {
1.548 + InputDevice* device = mDevices.valueAt(i);
1.549 + device->fadePointer();
1.550 + }
1.551 +}
1.552 +
1.553 +void InputReader::requestTimeoutAtTimeLocked(nsecs_t when) {
1.554 + if (when < mNextTimeout) {
1.555 + mNextTimeout = when;
1.556 + mEventHub->wake();
1.557 + }
1.558 +}
1.559 +
1.560 +int32_t InputReader::bumpGenerationLocked() {
1.561 + return ++mGeneration;
1.562 +}
1.563 +
1.564 +void InputReader::getInputDevices(Vector<InputDeviceInfo>& outInputDevices) {
1.565 + AutoMutex _l(mLock);
1.566 + getInputDevicesLocked(outInputDevices);
1.567 +}
1.568 +
1.569 +void InputReader::getInputDevicesLocked(Vector<InputDeviceInfo>& outInputDevices) {
1.570 + outInputDevices.clear();
1.571 +
1.572 + size_t numDevices = mDevices.size();
1.573 + for (size_t i = 0; i < numDevices; i++) {
1.574 + InputDevice* device = mDevices.valueAt(i);
1.575 + if (!device->isIgnored()) {
1.576 + outInputDevices.push();
1.577 + device->getDeviceInfo(&outInputDevices.editTop());
1.578 + }
1.579 + }
1.580 +}
1.581 +
1.582 +int32_t InputReader::getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
1.583 + int32_t keyCode) {
1.584 + AutoMutex _l(mLock);
1.585 +
1.586 + return getStateLocked(deviceId, sourceMask, keyCode, &InputDevice::getKeyCodeState);
1.587 +}
1.588 +
1.589 +int32_t InputReader::getScanCodeState(int32_t deviceId, uint32_t sourceMask,
1.590 + int32_t scanCode) {
1.591 + AutoMutex _l(mLock);
1.592 +
1.593 + return getStateLocked(deviceId, sourceMask, scanCode, &InputDevice::getScanCodeState);
1.594 +}
1.595 +
1.596 +int32_t InputReader::getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t switchCode) {
1.597 + AutoMutex _l(mLock);
1.598 +
1.599 + return getStateLocked(deviceId, sourceMask, switchCode, &InputDevice::getSwitchState);
1.600 +}
1.601 +
1.602 +int32_t InputReader::getStateLocked(int32_t deviceId, uint32_t sourceMask, int32_t code,
1.603 + GetStateFunc getStateFunc) {
1.604 + int32_t result = AKEY_STATE_UNKNOWN;
1.605 + if (deviceId >= 0) {
1.606 + ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
1.607 + if (deviceIndex >= 0) {
1.608 + InputDevice* device = mDevices.valueAt(deviceIndex);
1.609 + if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
1.610 + result = (device->*getStateFunc)(sourceMask, code);
1.611 + }
1.612 + }
1.613 + } else {
1.614 + size_t numDevices = mDevices.size();
1.615 + for (size_t i = 0; i < numDevices; i++) {
1.616 + InputDevice* device = mDevices.valueAt(i);
1.617 + if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
1.618 + // If any device reports AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL, return that
1.619 + // value. Otherwise, return AKEY_STATE_UP as long as one device reports it.
1.620 + int32_t currentResult = (device->*getStateFunc)(sourceMask, code);
1.621 + if (currentResult >= AKEY_STATE_DOWN) {
1.622 + return currentResult;
1.623 + } else if (currentResult == AKEY_STATE_UP) {
1.624 + result = currentResult;
1.625 + }
1.626 + }
1.627 + }
1.628 + }
1.629 + return result;
1.630 +}
1.631 +
1.632 +bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
1.633 + size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
1.634 + AutoMutex _l(mLock);
1.635 +
1.636 + memset(outFlags, 0, numCodes);
1.637 + return markSupportedKeyCodesLocked(deviceId, sourceMask, numCodes, keyCodes, outFlags);
1.638 +}
1.639 +
1.640 +bool InputReader::markSupportedKeyCodesLocked(int32_t deviceId, uint32_t sourceMask,
1.641 + size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
1.642 + bool result = false;
1.643 + if (deviceId >= 0) {
1.644 + ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
1.645 + if (deviceIndex >= 0) {
1.646 + InputDevice* device = mDevices.valueAt(deviceIndex);
1.647 + if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
1.648 + result = device->markSupportedKeyCodes(sourceMask,
1.649 + numCodes, keyCodes, outFlags);
1.650 + }
1.651 + }
1.652 + } else {
1.653 + size_t numDevices = mDevices.size();
1.654 + for (size_t i = 0; i < numDevices; i++) {
1.655 + InputDevice* device = mDevices.valueAt(i);
1.656 + if (! device->isIgnored() && sourcesMatchMask(device->getSources(), sourceMask)) {
1.657 + result |= device->markSupportedKeyCodes(sourceMask,
1.658 + numCodes, keyCodes, outFlags);
1.659 + }
1.660 + }
1.661 + }
1.662 + return result;
1.663 +}
1.664 +
1.665 +void InputReader::requestRefreshConfiguration(uint32_t changes) {
1.666 + AutoMutex _l(mLock);
1.667 +
1.668 + if (changes) {
1.669 + bool needWake = !mConfigurationChangesToRefresh;
1.670 + mConfigurationChangesToRefresh |= changes;
1.671 +
1.672 + if (needWake) {
1.673 + mEventHub->wake();
1.674 + }
1.675 + }
1.676 +}
1.677 +
1.678 +void InputReader::vibrate(int32_t deviceId, const nsecs_t* pattern, size_t patternSize,
1.679 + ssize_t repeat, int32_t token) {
1.680 + AutoMutex _l(mLock);
1.681 +
1.682 + ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
1.683 + if (deviceIndex >= 0) {
1.684 + InputDevice* device = mDevices.valueAt(deviceIndex);
1.685 + device->vibrate(pattern, patternSize, repeat, token);
1.686 + }
1.687 +}
1.688 +
1.689 +void InputReader::cancelVibrate(int32_t deviceId, int32_t token) {
1.690 + AutoMutex _l(mLock);
1.691 +
1.692 + ssize_t deviceIndex = mDevices.indexOfKey(deviceId);
1.693 + if (deviceIndex >= 0) {
1.694 + InputDevice* device = mDevices.valueAt(deviceIndex);
1.695 + device->cancelVibrate(token);
1.696 + }
1.697 +}
1.698 +
1.699 +void InputReader::dump(String8& dump) {
1.700 + AutoMutex _l(mLock);
1.701 +
1.702 + mEventHub->dump(dump);
1.703 + dump.append("\n");
1.704 +
1.705 + dump.append("Input Reader State:\n");
1.706 +
1.707 + for (size_t i = 0; i < mDevices.size(); i++) {
1.708 + mDevices.valueAt(i)->dump(dump);
1.709 + }
1.710 +
1.711 + dump.append(INDENT "Configuration:\n");
1.712 + dump.append(INDENT2 "ExcludedDeviceNames: [");
1.713 + for (size_t i = 0; i < mConfig.excludedDeviceNames.size(); i++) {
1.714 + if (i != 0) {
1.715 + dump.append(", ");
1.716 + }
1.717 + dump.append(mConfig.excludedDeviceNames.itemAt(i).string());
1.718 + }
1.719 + dump.append("]\n");
1.720 + dump.appendFormat(INDENT2 "VirtualKeyQuietTime: %0.1fms\n",
1.721 + mConfig.virtualKeyQuietTime * 0.000001f);
1.722 +
1.723 + dump.appendFormat(INDENT2 "PointerVelocityControlParameters: "
1.724 + "scale=%0.3f, lowThreshold=%0.3f, highThreshold=%0.3f, acceleration=%0.3f\n",
1.725 + mConfig.pointerVelocityControlParameters.scale,
1.726 + mConfig.pointerVelocityControlParameters.lowThreshold,
1.727 + mConfig.pointerVelocityControlParameters.highThreshold,
1.728 + mConfig.pointerVelocityControlParameters.acceleration);
1.729 +
1.730 + dump.appendFormat(INDENT2 "WheelVelocityControlParameters: "
1.731 + "scale=%0.3f, lowThreshold=%0.3f, highThreshold=%0.3f, acceleration=%0.3f\n",
1.732 + mConfig.wheelVelocityControlParameters.scale,
1.733 + mConfig.wheelVelocityControlParameters.lowThreshold,
1.734 + mConfig.wheelVelocityControlParameters.highThreshold,
1.735 + mConfig.wheelVelocityControlParameters.acceleration);
1.736 +
1.737 + dump.appendFormat(INDENT2 "PointerGesture:\n");
1.738 + dump.appendFormat(INDENT3 "Enabled: %s\n",
1.739 + toString(mConfig.pointerGesturesEnabled));
1.740 + dump.appendFormat(INDENT3 "QuietInterval: %0.1fms\n",
1.741 + mConfig.pointerGestureQuietInterval * 0.000001f);
1.742 + dump.appendFormat(INDENT3 "DragMinSwitchSpeed: %0.1fpx/s\n",
1.743 + mConfig.pointerGestureDragMinSwitchSpeed);
1.744 + dump.appendFormat(INDENT3 "TapInterval: %0.1fms\n",
1.745 + mConfig.pointerGestureTapInterval * 0.000001f);
1.746 + dump.appendFormat(INDENT3 "TapDragInterval: %0.1fms\n",
1.747 + mConfig.pointerGestureTapDragInterval * 0.000001f);
1.748 + dump.appendFormat(INDENT3 "TapSlop: %0.1fpx\n",
1.749 + mConfig.pointerGestureTapSlop);
1.750 + dump.appendFormat(INDENT3 "MultitouchSettleInterval: %0.1fms\n",
1.751 + mConfig.pointerGestureMultitouchSettleInterval * 0.000001f);
1.752 + dump.appendFormat(INDENT3 "MultitouchMinDistance: %0.1fpx\n",
1.753 + mConfig.pointerGestureMultitouchMinDistance);
1.754 + dump.appendFormat(INDENT3 "SwipeTransitionAngleCosine: %0.1f\n",
1.755 + mConfig.pointerGestureSwipeTransitionAngleCosine);
1.756 + dump.appendFormat(INDENT3 "SwipeMaxWidthRatio: %0.1f\n",
1.757 + mConfig.pointerGestureSwipeMaxWidthRatio);
1.758 + dump.appendFormat(INDENT3 "MovementSpeedRatio: %0.1f\n",
1.759 + mConfig.pointerGestureMovementSpeedRatio);
1.760 + dump.appendFormat(INDENT3 "ZoomSpeedRatio: %0.1f\n",
1.761 + mConfig.pointerGestureZoomSpeedRatio);
1.762 +}
1.763 +
1.764 +void InputReader::monitor() {
1.765 + // Acquire and release the lock to ensure that the reader has not deadlocked.
1.766 + mLock.lock();
1.767 + mEventHub->wake();
1.768 + mReaderIsAliveCondition.wait(mLock);
1.769 + mLock.unlock();
1.770 +
1.771 + // Check the EventHub
1.772 + mEventHub->monitor();
1.773 +}
1.774 +
1.775 +
1.776 +// --- InputReader::ContextImpl ---
1.777 +
1.778 +InputReader::ContextImpl::ContextImpl(InputReader* reader) :
1.779 + mReader(reader) {
1.780 +}
1.781 +
1.782 +void InputReader::ContextImpl::updateGlobalMetaState() {
1.783 + // lock is already held by the input loop
1.784 + mReader->updateGlobalMetaStateLocked();
1.785 +}
1.786 +
1.787 +int32_t InputReader::ContextImpl::getGlobalMetaState() {
1.788 + // lock is already held by the input loop
1.789 + return mReader->getGlobalMetaStateLocked();
1.790 +}
1.791 +
1.792 +void InputReader::ContextImpl::disableVirtualKeysUntil(nsecs_t time) {
1.793 + // lock is already held by the input loop
1.794 + mReader->disableVirtualKeysUntilLocked(time);
1.795 +}
1.796 +
1.797 +bool InputReader::ContextImpl::shouldDropVirtualKey(nsecs_t now,
1.798 + InputDevice* device, int32_t keyCode, int32_t scanCode) {
1.799 + // lock is already held by the input loop
1.800 + return mReader->shouldDropVirtualKeyLocked(now, device, keyCode, scanCode);
1.801 +}
1.802 +
1.803 +void InputReader::ContextImpl::fadePointer() {
1.804 + // lock is already held by the input loop
1.805 + mReader->fadePointerLocked();
1.806 +}
1.807 +
1.808 +void InputReader::ContextImpl::requestTimeoutAtTime(nsecs_t when) {
1.809 + // lock is already held by the input loop
1.810 + mReader->requestTimeoutAtTimeLocked(when);
1.811 +}
1.812 +
1.813 +int32_t InputReader::ContextImpl::bumpGeneration() {
1.814 + // lock is already held by the input loop
1.815 + return mReader->bumpGenerationLocked();
1.816 +}
1.817 +
1.818 +InputReaderPolicyInterface* InputReader::ContextImpl::getPolicy() {
1.819 + return mReader->mPolicy.get();
1.820 +}
1.821 +
1.822 +InputListenerInterface* InputReader::ContextImpl::getListener() {
1.823 + return mReader->mQueuedListener.get();
1.824 +}
1.825 +
1.826 +EventHubInterface* InputReader::ContextImpl::getEventHub() {
1.827 + return mReader->mEventHub.get();
1.828 +}
1.829 +
1.830 +
1.831 +// --- InputReaderThread ---
1.832 +
1.833 +InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
1.834 + Thread(/*canCallJava*/ true), mReader(reader) {
1.835 +}
1.836 +
1.837 +InputReaderThread::~InputReaderThread() {
1.838 +}
1.839 +
1.840 +bool InputReaderThread::threadLoop() {
1.841 + mReader->loopOnce();
1.842 + return true;
1.843 +}
1.844 +
1.845 +
1.846 +// --- InputDevice ---
1.847 +
1.848 +InputDevice::InputDevice(InputReaderContext* context, int32_t id, int32_t generation,
1.849 + const InputDeviceIdentifier& identifier, uint32_t classes) :
1.850 + mContext(context), mId(id), mGeneration(generation),
1.851 + mIdentifier(identifier), mClasses(classes),
1.852 + mSources(0), mIsExternal(false), mDropUntilNextSync(false) {
1.853 +}
1.854 +
1.855 +InputDevice::~InputDevice() {
1.856 + size_t numMappers = mMappers.size();
1.857 + for (size_t i = 0; i < numMappers; i++) {
1.858 + delete mMappers[i];
1.859 + }
1.860 + mMappers.clear();
1.861 +}
1.862 +
1.863 +void InputDevice::dump(String8& dump) {
1.864 + InputDeviceInfo deviceInfo;
1.865 + getDeviceInfo(& deviceInfo);
1.866 +
1.867 + dump.appendFormat(INDENT "Device %d: %s\n", deviceInfo.getId(),
1.868 + deviceInfo.getDisplayName().string());
1.869 + dump.appendFormat(INDENT2 "Generation: %d\n", mGeneration);
1.870 + dump.appendFormat(INDENT2 "IsExternal: %s\n", toString(mIsExternal));
1.871 + dump.appendFormat(INDENT2 "Sources: 0x%08x\n", deviceInfo.getSources());
1.872 + dump.appendFormat(INDENT2 "KeyboardType: %d\n", deviceInfo.getKeyboardType());
1.873 +
1.874 + const Vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
1.875 + if (!ranges.isEmpty()) {
1.876 + dump.append(INDENT2 "Motion Ranges:\n");
1.877 + for (size_t i = 0; i < ranges.size(); i++) {
1.878 + const InputDeviceInfo::MotionRange& range = ranges.itemAt(i);
1.879 + const char* label = getAxisLabel(range.axis);
1.880 + char name[32];
1.881 + if (label) {
1.882 + strncpy(name, label, sizeof(name));
1.883 + name[sizeof(name) - 1] = '\0';
1.884 + } else {
1.885 + snprintf(name, sizeof(name), "%d", range.axis);
1.886 + }
1.887 + dump.appendFormat(INDENT3 "%s: source=0x%08x, "
1.888 + "min=%0.3f, max=%0.3f, flat=%0.3f, fuzz=%0.3f, resolution=%0.3f\n",
1.889 + name, range.source, range.min, range.max, range.flat, range.fuzz,
1.890 + range.resolution);
1.891 + }
1.892 + }
1.893 +
1.894 + size_t numMappers = mMappers.size();
1.895 + for (size_t i = 0; i < numMappers; i++) {
1.896 + InputMapper* mapper = mMappers[i];
1.897 + mapper->dump(dump);
1.898 + }
1.899 +}
1.900 +
1.901 +void InputDevice::addMapper(InputMapper* mapper) {
1.902 + mMappers.add(mapper);
1.903 +}
1.904 +
1.905 +void InputDevice::configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) {
1.906 + mSources = 0;
1.907 +
1.908 + if (!isIgnored()) {
1.909 + if (!changes) { // first time only
1.910 + mContext->getEventHub()->getConfiguration(mId, &mConfiguration);
1.911 + }
1.912 +
1.913 + if (!changes || (changes & InputReaderConfiguration::CHANGE_KEYBOARD_LAYOUTS)) {
1.914 + if (!(mClasses & INPUT_DEVICE_CLASS_VIRTUAL)) {
1.915 + sp<KeyCharacterMap> keyboardLayout =
1.916 + mContext->getPolicy()->getKeyboardLayoutOverlay(mIdentifier.descriptor);
1.917 + if (mContext->getEventHub()->setKeyboardLayoutOverlay(mId, keyboardLayout)) {
1.918 + bumpGeneration();
1.919 + }
1.920 + }
1.921 + }
1.922 +
1.923 + if (!changes || (changes & InputReaderConfiguration::CHANGE_DEVICE_ALIAS)) {
1.924 + if (!(mClasses & INPUT_DEVICE_CLASS_VIRTUAL)) {
1.925 + String8 alias = mContext->getPolicy()->getDeviceAlias(mIdentifier);
1.926 + if (mAlias != alias) {
1.927 + mAlias = alias;
1.928 + bumpGeneration();
1.929 + }
1.930 + }
1.931 + }
1.932 +
1.933 + size_t numMappers = mMappers.size();
1.934 + for (size_t i = 0; i < numMappers; i++) {
1.935 + InputMapper* mapper = mMappers[i];
1.936 + mapper->configure(when, config, changes);
1.937 + mSources |= mapper->getSources();
1.938 + }
1.939 + }
1.940 +}
1.941 +
1.942 +void InputDevice::reset(nsecs_t when) {
1.943 + size_t numMappers = mMappers.size();
1.944 + for (size_t i = 0; i < numMappers; i++) {
1.945 + InputMapper* mapper = mMappers[i];
1.946 + mapper->reset(when);
1.947 + }
1.948 +
1.949 + mContext->updateGlobalMetaState();
1.950 +
1.951 + notifyReset(when);
1.952 +}
1.953 +
1.954 +void InputDevice::process(const RawEvent* rawEvents, size_t count) {
1.955 + // Process all of the events in order for each mapper.
1.956 + // We cannot simply ask each mapper to process them in bulk because mappers may
1.957 + // have side-effects that must be interleaved. For example, joystick movement events and
1.958 + // gamepad button presses are handled by different mappers but they should be dispatched
1.959 + // in the order received.
1.960 + size_t numMappers = mMappers.size();
1.961 + for (const RawEvent* rawEvent = rawEvents; count--; rawEvent++) {
1.962 +#if DEBUG_RAW_EVENTS
1.963 + ALOGD("Input event: device=%d type=0x%04x code=0x%04x value=0x%08x when=%lld",
1.964 + rawEvent->deviceId, rawEvent->type, rawEvent->code, rawEvent->value,
1.965 + rawEvent->when);
1.966 +#endif
1.967 +
1.968 + if (mDropUntilNextSync) {
1.969 + if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
1.970 + mDropUntilNextSync = false;
1.971 +#if DEBUG_RAW_EVENTS
1.972 + ALOGD("Recovered from input event buffer overrun.");
1.973 +#endif
1.974 + } else {
1.975 +#if DEBUG_RAW_EVENTS
1.976 + ALOGD("Dropped input event while waiting for next input sync.");
1.977 +#endif
1.978 + }
1.979 + } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_DROPPED) {
1.980 + ALOGI("Detected input event buffer overrun for device %s.", getName().string());
1.981 + mDropUntilNextSync = true;
1.982 + reset(rawEvent->when);
1.983 + } else {
1.984 + for (size_t i = 0; i < numMappers; i++) {
1.985 + InputMapper* mapper = mMappers[i];
1.986 + mapper->process(rawEvent);
1.987 + }
1.988 + }
1.989 + }
1.990 +}
1.991 +
1.992 +void InputDevice::timeoutExpired(nsecs_t when) {
1.993 + size_t numMappers = mMappers.size();
1.994 + for (size_t i = 0; i < numMappers; i++) {
1.995 + InputMapper* mapper = mMappers[i];
1.996 + mapper->timeoutExpired(when);
1.997 + }
1.998 +}
1.999 +
1.1000 +void InputDevice::getDeviceInfo(InputDeviceInfo* outDeviceInfo) {
1.1001 + outDeviceInfo->initialize(mId, mGeneration, mIdentifier, mAlias, mIsExternal);
1.1002 +
1.1003 + size_t numMappers = mMappers.size();
1.1004 + for (size_t i = 0; i < numMappers; i++) {
1.1005 + InputMapper* mapper = mMappers[i];
1.1006 + mapper->populateDeviceInfo(outDeviceInfo);
1.1007 + }
1.1008 +}
1.1009 +
1.1010 +int32_t InputDevice::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
1.1011 + return getState(sourceMask, keyCode, & InputMapper::getKeyCodeState);
1.1012 +}
1.1013 +
1.1014 +int32_t InputDevice::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
1.1015 + return getState(sourceMask, scanCode, & InputMapper::getScanCodeState);
1.1016 +}
1.1017 +
1.1018 +int32_t InputDevice::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
1.1019 + return getState(sourceMask, switchCode, & InputMapper::getSwitchState);
1.1020 +}
1.1021 +
1.1022 +int32_t InputDevice::getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc) {
1.1023 + int32_t result = AKEY_STATE_UNKNOWN;
1.1024 + size_t numMappers = mMappers.size();
1.1025 + for (size_t i = 0; i < numMappers; i++) {
1.1026 + InputMapper* mapper = mMappers[i];
1.1027 + if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
1.1028 + // If any mapper reports AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL, return that
1.1029 + // value. Otherwise, return AKEY_STATE_UP as long as one mapper reports it.
1.1030 + int32_t currentResult = (mapper->*getStateFunc)(sourceMask, code);
1.1031 + if (currentResult >= AKEY_STATE_DOWN) {
1.1032 + return currentResult;
1.1033 + } else if (currentResult == AKEY_STATE_UP) {
1.1034 + result = currentResult;
1.1035 + }
1.1036 + }
1.1037 + }
1.1038 + return result;
1.1039 +}
1.1040 +
1.1041 +bool InputDevice::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
1.1042 + const int32_t* keyCodes, uint8_t* outFlags) {
1.1043 + bool result = false;
1.1044 + size_t numMappers = mMappers.size();
1.1045 + for (size_t i = 0; i < numMappers; i++) {
1.1046 + InputMapper* mapper = mMappers[i];
1.1047 + if (sourcesMatchMask(mapper->getSources(), sourceMask)) {
1.1048 + result |= mapper->markSupportedKeyCodes(sourceMask, numCodes, keyCodes, outFlags);
1.1049 + }
1.1050 + }
1.1051 + return result;
1.1052 +}
1.1053 +
1.1054 +void InputDevice::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
1.1055 + int32_t token) {
1.1056 + size_t numMappers = mMappers.size();
1.1057 + for (size_t i = 0; i < numMappers; i++) {
1.1058 + InputMapper* mapper = mMappers[i];
1.1059 + mapper->vibrate(pattern, patternSize, repeat, token);
1.1060 + }
1.1061 +}
1.1062 +
1.1063 +void InputDevice::cancelVibrate(int32_t token) {
1.1064 + size_t numMappers = mMappers.size();
1.1065 + for (size_t i = 0; i < numMappers; i++) {
1.1066 + InputMapper* mapper = mMappers[i];
1.1067 + mapper->cancelVibrate(token);
1.1068 + }
1.1069 +}
1.1070 +
1.1071 +int32_t InputDevice::getMetaState() {
1.1072 + int32_t result = 0;
1.1073 + size_t numMappers = mMappers.size();
1.1074 + for (size_t i = 0; i < numMappers; i++) {
1.1075 + InputMapper* mapper = mMappers[i];
1.1076 + result |= mapper->getMetaState();
1.1077 + }
1.1078 + return result;
1.1079 +}
1.1080 +
1.1081 +void InputDevice::fadePointer() {
1.1082 + size_t numMappers = mMappers.size();
1.1083 + for (size_t i = 0; i < numMappers; i++) {
1.1084 + InputMapper* mapper = mMappers[i];
1.1085 + mapper->fadePointer();
1.1086 + }
1.1087 +}
1.1088 +
1.1089 +void InputDevice::bumpGeneration() {
1.1090 + mGeneration = mContext->bumpGeneration();
1.1091 +}
1.1092 +
1.1093 +void InputDevice::notifyReset(nsecs_t when) {
1.1094 + NotifyDeviceResetArgs args(when, mId);
1.1095 + mContext->getListener()->notifyDeviceReset(&args);
1.1096 +}
1.1097 +
1.1098 +
1.1099 +// --- CursorButtonAccumulator ---
1.1100 +
1.1101 +CursorButtonAccumulator::CursorButtonAccumulator() {
1.1102 + clearButtons();
1.1103 +}
1.1104 +
1.1105 +void CursorButtonAccumulator::reset(InputDevice* device) {
1.1106 + mBtnLeft = device->isKeyPressed(BTN_LEFT);
1.1107 + mBtnRight = device->isKeyPressed(BTN_RIGHT);
1.1108 + mBtnMiddle = device->isKeyPressed(BTN_MIDDLE);
1.1109 + mBtnBack = device->isKeyPressed(BTN_BACK);
1.1110 + mBtnSide = device->isKeyPressed(BTN_SIDE);
1.1111 + mBtnForward = device->isKeyPressed(BTN_FORWARD);
1.1112 + mBtnExtra = device->isKeyPressed(BTN_EXTRA);
1.1113 + mBtnTask = device->isKeyPressed(BTN_TASK);
1.1114 +}
1.1115 +
1.1116 +void CursorButtonAccumulator::clearButtons() {
1.1117 + mBtnLeft = 0;
1.1118 + mBtnRight = 0;
1.1119 + mBtnMiddle = 0;
1.1120 + mBtnBack = 0;
1.1121 + mBtnSide = 0;
1.1122 + mBtnForward = 0;
1.1123 + mBtnExtra = 0;
1.1124 + mBtnTask = 0;
1.1125 +}
1.1126 +
1.1127 +void CursorButtonAccumulator::process(const RawEvent* rawEvent) {
1.1128 + if (rawEvent->type == EV_KEY) {
1.1129 + switch (rawEvent->code) {
1.1130 + case BTN_LEFT:
1.1131 + mBtnLeft = rawEvent->value;
1.1132 + break;
1.1133 + case BTN_RIGHT:
1.1134 + mBtnRight = rawEvent->value;
1.1135 + break;
1.1136 + case BTN_MIDDLE:
1.1137 + mBtnMiddle = rawEvent->value;
1.1138 + break;
1.1139 + case BTN_BACK:
1.1140 + mBtnBack = rawEvent->value;
1.1141 + break;
1.1142 + case BTN_SIDE:
1.1143 + mBtnSide = rawEvent->value;
1.1144 + break;
1.1145 + case BTN_FORWARD:
1.1146 + mBtnForward = rawEvent->value;
1.1147 + break;
1.1148 + case BTN_EXTRA:
1.1149 + mBtnExtra = rawEvent->value;
1.1150 + break;
1.1151 + case BTN_TASK:
1.1152 + mBtnTask = rawEvent->value;
1.1153 + break;
1.1154 + }
1.1155 + }
1.1156 +}
1.1157 +
1.1158 +uint32_t CursorButtonAccumulator::getButtonState() const {
1.1159 + uint32_t result = 0;
1.1160 + if (mBtnLeft) {
1.1161 + result |= AMOTION_EVENT_BUTTON_PRIMARY;
1.1162 + }
1.1163 + if (mBtnRight) {
1.1164 + result |= AMOTION_EVENT_BUTTON_SECONDARY;
1.1165 + }
1.1166 + if (mBtnMiddle) {
1.1167 + result |= AMOTION_EVENT_BUTTON_TERTIARY;
1.1168 + }
1.1169 + if (mBtnBack || mBtnSide) {
1.1170 + result |= AMOTION_EVENT_BUTTON_BACK;
1.1171 + }
1.1172 + if (mBtnForward || mBtnExtra) {
1.1173 + result |= AMOTION_EVENT_BUTTON_FORWARD;
1.1174 + }
1.1175 + return result;
1.1176 +}
1.1177 +
1.1178 +
1.1179 +// --- CursorMotionAccumulator ---
1.1180 +
1.1181 +CursorMotionAccumulator::CursorMotionAccumulator() {
1.1182 + clearRelativeAxes();
1.1183 +}
1.1184 +
1.1185 +void CursorMotionAccumulator::reset(InputDevice* device) {
1.1186 + clearRelativeAxes();
1.1187 +}
1.1188 +
1.1189 +void CursorMotionAccumulator::clearRelativeAxes() {
1.1190 + mRelX = 0;
1.1191 + mRelY = 0;
1.1192 +}
1.1193 +
1.1194 +void CursorMotionAccumulator::process(const RawEvent* rawEvent) {
1.1195 + if (rawEvent->type == EV_REL) {
1.1196 + switch (rawEvent->code) {
1.1197 + case REL_X:
1.1198 + mRelX = rawEvent->value;
1.1199 + break;
1.1200 + case REL_Y:
1.1201 + mRelY = rawEvent->value;
1.1202 + break;
1.1203 + }
1.1204 + }
1.1205 +}
1.1206 +
1.1207 +void CursorMotionAccumulator::finishSync() {
1.1208 + clearRelativeAxes();
1.1209 +}
1.1210 +
1.1211 +
1.1212 +// --- CursorScrollAccumulator ---
1.1213 +
1.1214 +CursorScrollAccumulator::CursorScrollAccumulator() :
1.1215 + mHaveRelWheel(false), mHaveRelHWheel(false) {
1.1216 + clearRelativeAxes();
1.1217 +}
1.1218 +
1.1219 +void CursorScrollAccumulator::configure(InputDevice* device) {
1.1220 + mHaveRelWheel = device->getEventHub()->hasRelativeAxis(device->getId(), REL_WHEEL);
1.1221 + mHaveRelHWheel = device->getEventHub()->hasRelativeAxis(device->getId(), REL_HWHEEL);
1.1222 +}
1.1223 +
1.1224 +void CursorScrollAccumulator::reset(InputDevice* device) {
1.1225 + clearRelativeAxes();
1.1226 +}
1.1227 +
1.1228 +void CursorScrollAccumulator::clearRelativeAxes() {
1.1229 + mRelWheel = 0;
1.1230 + mRelHWheel = 0;
1.1231 +}
1.1232 +
1.1233 +void CursorScrollAccumulator::process(const RawEvent* rawEvent) {
1.1234 + if (rawEvent->type == EV_REL) {
1.1235 + switch (rawEvent->code) {
1.1236 + case REL_WHEEL:
1.1237 + mRelWheel = rawEvent->value;
1.1238 + break;
1.1239 + case REL_HWHEEL:
1.1240 + mRelHWheel = rawEvent->value;
1.1241 + break;
1.1242 + }
1.1243 + }
1.1244 +}
1.1245 +
1.1246 +void CursorScrollAccumulator::finishSync() {
1.1247 + clearRelativeAxes();
1.1248 +}
1.1249 +
1.1250 +
1.1251 +// --- TouchButtonAccumulator ---
1.1252 +
1.1253 +TouchButtonAccumulator::TouchButtonAccumulator() :
1.1254 + mHaveBtnTouch(false), mHaveStylus(false) {
1.1255 + clearButtons();
1.1256 +}
1.1257 +
1.1258 +void TouchButtonAccumulator::configure(InputDevice* device) {
1.1259 + mHaveBtnTouch = device->hasKey(BTN_TOUCH);
1.1260 + mHaveStylus = device->hasKey(BTN_TOOL_PEN)
1.1261 + || device->hasKey(BTN_TOOL_RUBBER)
1.1262 + || device->hasKey(BTN_TOOL_BRUSH)
1.1263 + || device->hasKey(BTN_TOOL_PENCIL)
1.1264 + || device->hasKey(BTN_TOOL_AIRBRUSH);
1.1265 +}
1.1266 +
1.1267 +void TouchButtonAccumulator::reset(InputDevice* device) {
1.1268 + mBtnTouch = device->isKeyPressed(BTN_TOUCH);
1.1269 + mBtnStylus = device->isKeyPressed(BTN_STYLUS);
1.1270 + mBtnStylus2 = device->isKeyPressed(BTN_STYLUS);
1.1271 + mBtnToolFinger = device->isKeyPressed(BTN_TOOL_FINGER);
1.1272 + mBtnToolPen = device->isKeyPressed(BTN_TOOL_PEN);
1.1273 + mBtnToolRubber = device->isKeyPressed(BTN_TOOL_RUBBER);
1.1274 + mBtnToolBrush = device->isKeyPressed(BTN_TOOL_BRUSH);
1.1275 + mBtnToolPencil = device->isKeyPressed(BTN_TOOL_PENCIL);
1.1276 + mBtnToolAirbrush = device->isKeyPressed(BTN_TOOL_AIRBRUSH);
1.1277 + mBtnToolMouse = device->isKeyPressed(BTN_TOOL_MOUSE);
1.1278 + mBtnToolLens = device->isKeyPressed(BTN_TOOL_LENS);
1.1279 + mBtnToolDoubleTap = device->isKeyPressed(BTN_TOOL_DOUBLETAP);
1.1280 + mBtnToolTripleTap = device->isKeyPressed(BTN_TOOL_TRIPLETAP);
1.1281 + mBtnToolQuadTap = device->isKeyPressed(BTN_TOOL_QUADTAP);
1.1282 +}
1.1283 +
1.1284 +void TouchButtonAccumulator::clearButtons() {
1.1285 + mBtnTouch = 0;
1.1286 + mBtnStylus = 0;
1.1287 + mBtnStylus2 = 0;
1.1288 + mBtnToolFinger = 0;
1.1289 + mBtnToolPen = 0;
1.1290 + mBtnToolRubber = 0;
1.1291 + mBtnToolBrush = 0;
1.1292 + mBtnToolPencil = 0;
1.1293 + mBtnToolAirbrush = 0;
1.1294 + mBtnToolMouse = 0;
1.1295 + mBtnToolLens = 0;
1.1296 + mBtnToolDoubleTap = 0;
1.1297 + mBtnToolTripleTap = 0;
1.1298 + mBtnToolQuadTap = 0;
1.1299 +}
1.1300 +
1.1301 +void TouchButtonAccumulator::process(const RawEvent* rawEvent) {
1.1302 + if (rawEvent->type == EV_KEY) {
1.1303 + switch (rawEvent->code) {
1.1304 + case BTN_TOUCH:
1.1305 + mBtnTouch = rawEvent->value;
1.1306 + break;
1.1307 + case BTN_STYLUS:
1.1308 + mBtnStylus = rawEvent->value;
1.1309 + break;
1.1310 + case BTN_STYLUS2:
1.1311 + mBtnStylus2 = rawEvent->value;
1.1312 + break;
1.1313 + case BTN_TOOL_FINGER:
1.1314 + mBtnToolFinger = rawEvent->value;
1.1315 + break;
1.1316 + case BTN_TOOL_PEN:
1.1317 + mBtnToolPen = rawEvent->value;
1.1318 + break;
1.1319 + case BTN_TOOL_RUBBER:
1.1320 + mBtnToolRubber = rawEvent->value;
1.1321 + break;
1.1322 + case BTN_TOOL_BRUSH:
1.1323 + mBtnToolBrush = rawEvent->value;
1.1324 + break;
1.1325 + case BTN_TOOL_PENCIL:
1.1326 + mBtnToolPencil = rawEvent->value;
1.1327 + break;
1.1328 + case BTN_TOOL_AIRBRUSH:
1.1329 + mBtnToolAirbrush = rawEvent->value;
1.1330 + break;
1.1331 + case BTN_TOOL_MOUSE:
1.1332 + mBtnToolMouse = rawEvent->value;
1.1333 + break;
1.1334 + case BTN_TOOL_LENS:
1.1335 + mBtnToolLens = rawEvent->value;
1.1336 + break;
1.1337 + case BTN_TOOL_DOUBLETAP:
1.1338 + mBtnToolDoubleTap = rawEvent->value;
1.1339 + break;
1.1340 + case BTN_TOOL_TRIPLETAP:
1.1341 + mBtnToolTripleTap = rawEvent->value;
1.1342 + break;
1.1343 + case BTN_TOOL_QUADTAP:
1.1344 + mBtnToolQuadTap = rawEvent->value;
1.1345 + break;
1.1346 + }
1.1347 + }
1.1348 +}
1.1349 +
1.1350 +uint32_t TouchButtonAccumulator::getButtonState() const {
1.1351 + uint32_t result = 0;
1.1352 + if (mBtnStylus) {
1.1353 + result |= AMOTION_EVENT_BUTTON_SECONDARY;
1.1354 + }
1.1355 + if (mBtnStylus2) {
1.1356 + result |= AMOTION_EVENT_BUTTON_TERTIARY;
1.1357 + }
1.1358 + return result;
1.1359 +}
1.1360 +
1.1361 +int32_t TouchButtonAccumulator::getToolType() const {
1.1362 + if (mBtnToolMouse || mBtnToolLens) {
1.1363 + return AMOTION_EVENT_TOOL_TYPE_MOUSE;
1.1364 + }
1.1365 + if (mBtnToolRubber) {
1.1366 + return AMOTION_EVENT_TOOL_TYPE_ERASER;
1.1367 + }
1.1368 + if (mBtnToolPen || mBtnToolBrush || mBtnToolPencil || mBtnToolAirbrush) {
1.1369 + return AMOTION_EVENT_TOOL_TYPE_STYLUS;
1.1370 + }
1.1371 + if (mBtnToolFinger || mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap) {
1.1372 + return AMOTION_EVENT_TOOL_TYPE_FINGER;
1.1373 + }
1.1374 + return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
1.1375 +}
1.1376 +
1.1377 +bool TouchButtonAccumulator::isToolActive() const {
1.1378 + return mBtnTouch || mBtnToolFinger || mBtnToolPen || mBtnToolRubber
1.1379 + || mBtnToolBrush || mBtnToolPencil || mBtnToolAirbrush
1.1380 + || mBtnToolMouse || mBtnToolLens
1.1381 + || mBtnToolDoubleTap || mBtnToolTripleTap || mBtnToolQuadTap;
1.1382 +}
1.1383 +
1.1384 +bool TouchButtonAccumulator::isHovering() const {
1.1385 + return mHaveBtnTouch && !mBtnTouch;
1.1386 +}
1.1387 +
1.1388 +bool TouchButtonAccumulator::hasStylus() const {
1.1389 + return mHaveStylus;
1.1390 +}
1.1391 +
1.1392 +
1.1393 +// --- RawPointerAxes ---
1.1394 +
1.1395 +RawPointerAxes::RawPointerAxes() {
1.1396 + clear();
1.1397 +}
1.1398 +
1.1399 +void RawPointerAxes::clear() {
1.1400 + x.clear();
1.1401 + y.clear();
1.1402 + pressure.clear();
1.1403 + touchMajor.clear();
1.1404 + touchMinor.clear();
1.1405 + toolMajor.clear();
1.1406 + toolMinor.clear();
1.1407 + orientation.clear();
1.1408 + distance.clear();
1.1409 + tiltX.clear();
1.1410 + tiltY.clear();
1.1411 + trackingId.clear();
1.1412 + slot.clear();
1.1413 +}
1.1414 +
1.1415 +
1.1416 +// --- RawPointerData ---
1.1417 +
1.1418 +RawPointerData::RawPointerData() {
1.1419 + clear();
1.1420 +}
1.1421 +
1.1422 +void RawPointerData::clear() {
1.1423 + pointerCount = 0;
1.1424 + clearIdBits();
1.1425 +}
1.1426 +
1.1427 +void RawPointerData::copyFrom(const RawPointerData& other) {
1.1428 + pointerCount = other.pointerCount;
1.1429 + hoveringIdBits = other.hoveringIdBits;
1.1430 + touchingIdBits = other.touchingIdBits;
1.1431 +
1.1432 + for (uint32_t i = 0; i < pointerCount; i++) {
1.1433 + pointers[i] = other.pointers[i];
1.1434 +
1.1435 + int id = pointers[i].id;
1.1436 + idToIndex[id] = other.idToIndex[id];
1.1437 + }
1.1438 +}
1.1439 +
1.1440 +void RawPointerData::getCentroidOfTouchingPointers(float* outX, float* outY) const {
1.1441 + float x = 0, y = 0;
1.1442 + uint32_t count = touchingIdBits.count();
1.1443 + if (count) {
1.1444 + for (BitSet32 idBits(touchingIdBits); !idBits.isEmpty(); ) {
1.1445 + uint32_t id = idBits.clearFirstMarkedBit();
1.1446 + const Pointer& pointer = pointerForId(id);
1.1447 + x += pointer.x;
1.1448 + y += pointer.y;
1.1449 + }
1.1450 + x /= count;
1.1451 + y /= count;
1.1452 + }
1.1453 + *outX = x;
1.1454 + *outY = y;
1.1455 +}
1.1456 +
1.1457 +
1.1458 +// --- CookedPointerData ---
1.1459 +
1.1460 +CookedPointerData::CookedPointerData() {
1.1461 + clear();
1.1462 +}
1.1463 +
1.1464 +void CookedPointerData::clear() {
1.1465 + pointerCount = 0;
1.1466 + hoveringIdBits.clear();
1.1467 + touchingIdBits.clear();
1.1468 +}
1.1469 +
1.1470 +void CookedPointerData::copyFrom(const CookedPointerData& other) {
1.1471 + pointerCount = other.pointerCount;
1.1472 + hoveringIdBits = other.hoveringIdBits;
1.1473 + touchingIdBits = other.touchingIdBits;
1.1474 +
1.1475 + for (uint32_t i = 0; i < pointerCount; i++) {
1.1476 + pointerProperties[i].copyFrom(other.pointerProperties[i]);
1.1477 + pointerCoords[i].copyFrom(other.pointerCoords[i]);
1.1478 +
1.1479 + int id = pointerProperties[i].id;
1.1480 + idToIndex[id] = other.idToIndex[id];
1.1481 + }
1.1482 +}
1.1483 +
1.1484 +
1.1485 +// --- SingleTouchMotionAccumulator ---
1.1486 +
1.1487 +SingleTouchMotionAccumulator::SingleTouchMotionAccumulator() {
1.1488 + clearAbsoluteAxes();
1.1489 +}
1.1490 +
1.1491 +void SingleTouchMotionAccumulator::reset(InputDevice* device) {
1.1492 + mAbsX = device->getAbsoluteAxisValue(ABS_X);
1.1493 + mAbsY = device->getAbsoluteAxisValue(ABS_Y);
1.1494 + mAbsPressure = device->getAbsoluteAxisValue(ABS_PRESSURE);
1.1495 + mAbsToolWidth = device->getAbsoluteAxisValue(ABS_TOOL_WIDTH);
1.1496 + mAbsDistance = device->getAbsoluteAxisValue(ABS_DISTANCE);
1.1497 + mAbsTiltX = device->getAbsoluteAxisValue(ABS_TILT_X);
1.1498 + mAbsTiltY = device->getAbsoluteAxisValue(ABS_TILT_Y);
1.1499 +}
1.1500 +
1.1501 +void SingleTouchMotionAccumulator::clearAbsoluteAxes() {
1.1502 + mAbsX = 0;
1.1503 + mAbsY = 0;
1.1504 + mAbsPressure = 0;
1.1505 + mAbsToolWidth = 0;
1.1506 + mAbsDistance = 0;
1.1507 + mAbsTiltX = 0;
1.1508 + mAbsTiltY = 0;
1.1509 +}
1.1510 +
1.1511 +void SingleTouchMotionAccumulator::process(const RawEvent* rawEvent) {
1.1512 + if (rawEvent->type == EV_ABS) {
1.1513 + switch (rawEvent->code) {
1.1514 + case ABS_X:
1.1515 + mAbsX = rawEvent->value;
1.1516 + break;
1.1517 + case ABS_Y:
1.1518 + mAbsY = rawEvent->value;
1.1519 + break;
1.1520 + case ABS_PRESSURE:
1.1521 + mAbsPressure = rawEvent->value;
1.1522 + break;
1.1523 + case ABS_TOOL_WIDTH:
1.1524 + mAbsToolWidth = rawEvent->value;
1.1525 + break;
1.1526 + case ABS_DISTANCE:
1.1527 + mAbsDistance = rawEvent->value;
1.1528 + break;
1.1529 + case ABS_TILT_X:
1.1530 + mAbsTiltX = rawEvent->value;
1.1531 + break;
1.1532 + case ABS_TILT_Y:
1.1533 + mAbsTiltY = rawEvent->value;
1.1534 + break;
1.1535 + }
1.1536 + }
1.1537 +}
1.1538 +
1.1539 +
1.1540 +// --- MultiTouchMotionAccumulator ---
1.1541 +
1.1542 +MultiTouchMotionAccumulator::MultiTouchMotionAccumulator() :
1.1543 + mCurrentSlot(-1), mSlots(NULL), mSlotCount(0), mUsingSlotsProtocol(false),
1.1544 + mHaveStylus(false) {
1.1545 +}
1.1546 +
1.1547 +MultiTouchMotionAccumulator::~MultiTouchMotionAccumulator() {
1.1548 + delete[] mSlots;
1.1549 +}
1.1550 +
1.1551 +void MultiTouchMotionAccumulator::configure(InputDevice* device,
1.1552 + size_t slotCount, bool usingSlotsProtocol) {
1.1553 + mSlotCount = slotCount;
1.1554 + mUsingSlotsProtocol = usingSlotsProtocol;
1.1555 + mHaveStylus = device->hasAbsoluteAxis(ABS_MT_TOOL_TYPE);
1.1556 +
1.1557 + delete[] mSlots;
1.1558 + mSlots = new Slot[slotCount];
1.1559 +}
1.1560 +
1.1561 +void MultiTouchMotionAccumulator::reset(InputDevice* device) {
1.1562 + // Unfortunately there is no way to read the initial contents of the slots.
1.1563 + // So when we reset the accumulator, we must assume they are all zeroes.
1.1564 + if (mUsingSlotsProtocol) {
1.1565 + // Query the driver for the current slot index and use it as the initial slot
1.1566 + // before we start reading events from the device. It is possible that the
1.1567 + // current slot index will not be the same as it was when the first event was
1.1568 + // written into the evdev buffer, which means the input mapper could start
1.1569 + // out of sync with the initial state of the events in the evdev buffer.
1.1570 + // In the extremely unlikely case that this happens, the data from
1.1571 + // two slots will be confused until the next ABS_MT_SLOT event is received.
1.1572 + // This can cause the touch point to "jump", but at least there will be
1.1573 + // no stuck touches.
1.1574 + int32_t initialSlot;
1.1575 + status_t status = device->getEventHub()->getAbsoluteAxisValue(device->getId(),
1.1576 + ABS_MT_SLOT, &initialSlot);
1.1577 + if (status) {
1.1578 + ALOGD("Could not retrieve current multitouch slot index. status=%d", status);
1.1579 + initialSlot = -1;
1.1580 + }
1.1581 + clearSlots(initialSlot);
1.1582 + } else {
1.1583 + clearSlots(-1);
1.1584 + }
1.1585 +}
1.1586 +
1.1587 +void MultiTouchMotionAccumulator::clearSlots(int32_t initialSlot) {
1.1588 + if (mSlots) {
1.1589 + for (size_t i = 0; i < mSlotCount; i++) {
1.1590 + mSlots[i].clear();
1.1591 + }
1.1592 + }
1.1593 + mCurrentSlot = initialSlot;
1.1594 +}
1.1595 +
1.1596 +void MultiTouchMotionAccumulator::process(const RawEvent* rawEvent) {
1.1597 + if (rawEvent->type == EV_ABS) {
1.1598 + bool newSlot = false;
1.1599 + if (mUsingSlotsProtocol) {
1.1600 + if (rawEvent->code == ABS_MT_SLOT) {
1.1601 + mCurrentSlot = rawEvent->value;
1.1602 + newSlot = true;
1.1603 + }
1.1604 + } else if (mCurrentSlot < 0) {
1.1605 + mCurrentSlot = 0;
1.1606 + }
1.1607 +
1.1608 + if (mCurrentSlot < 0 || size_t(mCurrentSlot) >= mSlotCount) {
1.1609 +#if DEBUG_POINTERS
1.1610 + if (newSlot) {
1.1611 + ALOGW("MultiTouch device emitted invalid slot index %d but it "
1.1612 + "should be between 0 and %d; ignoring this slot.",
1.1613 + mCurrentSlot, mSlotCount - 1);
1.1614 + }
1.1615 +#endif
1.1616 + } else {
1.1617 + Slot* slot = &mSlots[mCurrentSlot];
1.1618 +
1.1619 + switch (rawEvent->code) {
1.1620 + case ABS_MT_POSITION_X:
1.1621 + slot->mInUse = true;
1.1622 + slot->mAbsMTPositionX = rawEvent->value;
1.1623 + break;
1.1624 + case ABS_MT_POSITION_Y:
1.1625 + slot->mInUse = true;
1.1626 + slot->mAbsMTPositionY = rawEvent->value;
1.1627 + break;
1.1628 + case ABS_MT_TOUCH_MAJOR:
1.1629 + slot->mInUse = true;
1.1630 + slot->mAbsMTTouchMajor = rawEvent->value;
1.1631 + break;
1.1632 + case ABS_MT_TOUCH_MINOR:
1.1633 + slot->mInUse = true;
1.1634 + slot->mAbsMTTouchMinor = rawEvent->value;
1.1635 + slot->mHaveAbsMTTouchMinor = true;
1.1636 + break;
1.1637 + case ABS_MT_WIDTH_MAJOR:
1.1638 + slot->mInUse = true;
1.1639 + slot->mAbsMTWidthMajor = rawEvent->value;
1.1640 + break;
1.1641 + case ABS_MT_WIDTH_MINOR:
1.1642 + slot->mInUse = true;
1.1643 + slot->mAbsMTWidthMinor = rawEvent->value;
1.1644 + slot->mHaveAbsMTWidthMinor = true;
1.1645 + break;
1.1646 + case ABS_MT_ORIENTATION:
1.1647 + slot->mInUse = true;
1.1648 + slot->mAbsMTOrientation = rawEvent->value;
1.1649 + break;
1.1650 + case ABS_MT_TRACKING_ID:
1.1651 + if (mUsingSlotsProtocol && rawEvent->value < 0) {
1.1652 + // The slot is no longer in use but it retains its previous contents,
1.1653 + // which may be reused for subsequent touches.
1.1654 + slot->mInUse = false;
1.1655 + } else {
1.1656 + slot->mInUse = true;
1.1657 + slot->mAbsMTTrackingId = rawEvent->value;
1.1658 + }
1.1659 + break;
1.1660 + case ABS_MT_PRESSURE:
1.1661 + slot->mInUse = true;
1.1662 + slot->mAbsMTPressure = rawEvent->value;
1.1663 + break;
1.1664 + case ABS_MT_DISTANCE:
1.1665 + slot->mInUse = true;
1.1666 + slot->mAbsMTDistance = rawEvent->value;
1.1667 + break;
1.1668 + case ABS_MT_TOOL_TYPE:
1.1669 + slot->mInUse = true;
1.1670 + slot->mAbsMTToolType = rawEvent->value;
1.1671 + slot->mHaveAbsMTToolType = true;
1.1672 + break;
1.1673 + }
1.1674 + }
1.1675 + } else if (rawEvent->type == EV_SYN && rawEvent->code == SYN_MT_REPORT) {
1.1676 + // MultiTouch Sync: The driver has returned all data for *one* of the pointers.
1.1677 + mCurrentSlot += 1;
1.1678 + }
1.1679 +}
1.1680 +
1.1681 +void MultiTouchMotionAccumulator::finishSync() {
1.1682 + if (!mUsingSlotsProtocol) {
1.1683 + clearSlots(-1);
1.1684 + }
1.1685 +}
1.1686 +
1.1687 +bool MultiTouchMotionAccumulator::hasStylus() const {
1.1688 + return mHaveStylus;
1.1689 +}
1.1690 +
1.1691 +
1.1692 +// --- MultiTouchMotionAccumulator::Slot ---
1.1693 +
1.1694 +MultiTouchMotionAccumulator::Slot::Slot() {
1.1695 + clear();
1.1696 +}
1.1697 +
1.1698 +void MultiTouchMotionAccumulator::Slot::clear() {
1.1699 + mInUse = false;
1.1700 + mHaveAbsMTTouchMinor = false;
1.1701 + mHaveAbsMTWidthMinor = false;
1.1702 + mHaveAbsMTToolType = false;
1.1703 + mAbsMTPositionX = 0;
1.1704 + mAbsMTPositionY = 0;
1.1705 + mAbsMTTouchMajor = 0;
1.1706 + mAbsMTTouchMinor = 0;
1.1707 + mAbsMTWidthMajor = 0;
1.1708 + mAbsMTWidthMinor = 0;
1.1709 + mAbsMTOrientation = 0;
1.1710 + mAbsMTTrackingId = -1;
1.1711 + mAbsMTPressure = 0;
1.1712 + mAbsMTDistance = 0;
1.1713 + mAbsMTToolType = 0;
1.1714 +}
1.1715 +
1.1716 +int32_t MultiTouchMotionAccumulator::Slot::getToolType() const {
1.1717 + if (mHaveAbsMTToolType) {
1.1718 + switch (mAbsMTToolType) {
1.1719 + case MT_TOOL_FINGER:
1.1720 + return AMOTION_EVENT_TOOL_TYPE_FINGER;
1.1721 + case MT_TOOL_PEN:
1.1722 + return AMOTION_EVENT_TOOL_TYPE_STYLUS;
1.1723 + }
1.1724 + }
1.1725 + return AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
1.1726 +}
1.1727 +
1.1728 +
1.1729 +// --- InputMapper ---
1.1730 +
1.1731 +InputMapper::InputMapper(InputDevice* device) :
1.1732 + mDevice(device), mContext(device->getContext()) {
1.1733 +}
1.1734 +
1.1735 +InputMapper::~InputMapper() {
1.1736 +}
1.1737 +
1.1738 +void InputMapper::populateDeviceInfo(InputDeviceInfo* info) {
1.1739 + info->addSource(getSources());
1.1740 +}
1.1741 +
1.1742 +void InputMapper::dump(String8& dump) {
1.1743 +}
1.1744 +
1.1745 +void InputMapper::configure(nsecs_t when,
1.1746 + const InputReaderConfiguration* config, uint32_t changes) {
1.1747 +}
1.1748 +
1.1749 +void InputMapper::reset(nsecs_t when) {
1.1750 +}
1.1751 +
1.1752 +void InputMapper::timeoutExpired(nsecs_t when) {
1.1753 +}
1.1754 +
1.1755 +int32_t InputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
1.1756 + return AKEY_STATE_UNKNOWN;
1.1757 +}
1.1758 +
1.1759 +int32_t InputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
1.1760 + return AKEY_STATE_UNKNOWN;
1.1761 +}
1.1762 +
1.1763 +int32_t InputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
1.1764 + return AKEY_STATE_UNKNOWN;
1.1765 +}
1.1766 +
1.1767 +bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
1.1768 + const int32_t* keyCodes, uint8_t* outFlags) {
1.1769 + return false;
1.1770 +}
1.1771 +
1.1772 +void InputMapper::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
1.1773 + int32_t token) {
1.1774 +}
1.1775 +
1.1776 +void InputMapper::cancelVibrate(int32_t token) {
1.1777 +}
1.1778 +
1.1779 +int32_t InputMapper::getMetaState() {
1.1780 + return 0;
1.1781 +}
1.1782 +
1.1783 +void InputMapper::fadePointer() {
1.1784 +}
1.1785 +
1.1786 +status_t InputMapper::getAbsoluteAxisInfo(int32_t axis, RawAbsoluteAxisInfo* axisInfo) {
1.1787 + return getEventHub()->getAbsoluteAxisInfo(getDeviceId(), axis, axisInfo);
1.1788 +}
1.1789 +
1.1790 +void InputMapper::bumpGeneration() {
1.1791 + mDevice->bumpGeneration();
1.1792 +}
1.1793 +
1.1794 +void InputMapper::dumpRawAbsoluteAxisInfo(String8& dump,
1.1795 + const RawAbsoluteAxisInfo& axis, const char* name) {
1.1796 + if (axis.valid) {
1.1797 + dump.appendFormat(INDENT4 "%s: min=%d, max=%d, flat=%d, fuzz=%d, resolution=%d\n",
1.1798 + name, axis.minValue, axis.maxValue, axis.flat, axis.fuzz, axis.resolution);
1.1799 + } else {
1.1800 + dump.appendFormat(INDENT4 "%s: unknown range\n", name);
1.1801 + }
1.1802 +}
1.1803 +
1.1804 +
1.1805 +// --- SwitchInputMapper ---
1.1806 +
1.1807 +SwitchInputMapper::SwitchInputMapper(InputDevice* device) :
1.1808 + InputMapper(device), mUpdatedSwitchValues(0), mUpdatedSwitchMask(0) {
1.1809 +}
1.1810 +
1.1811 +SwitchInputMapper::~SwitchInputMapper() {
1.1812 +}
1.1813 +
1.1814 +uint32_t SwitchInputMapper::getSources() {
1.1815 + return AINPUT_SOURCE_SWITCH;
1.1816 +}
1.1817 +
1.1818 +void SwitchInputMapper::process(const RawEvent* rawEvent) {
1.1819 + switch (rawEvent->type) {
1.1820 + case EV_SW:
1.1821 + processSwitch(rawEvent->code, rawEvent->value);
1.1822 + break;
1.1823 +
1.1824 + case EV_SYN:
1.1825 + if (rawEvent->code == SYN_REPORT) {
1.1826 + sync(rawEvent->when);
1.1827 + }
1.1828 + }
1.1829 +}
1.1830 +
1.1831 +void SwitchInputMapper::processSwitch(int32_t switchCode, int32_t switchValue) {
1.1832 + if (switchCode >= 0 && switchCode < 32) {
1.1833 + if (switchValue) {
1.1834 + mUpdatedSwitchValues |= 1 << switchCode;
1.1835 + }
1.1836 + mUpdatedSwitchMask |= 1 << switchCode;
1.1837 + }
1.1838 +}
1.1839 +
1.1840 +void SwitchInputMapper::sync(nsecs_t when) {
1.1841 + if (mUpdatedSwitchMask) {
1.1842 + NotifySwitchArgs args(when, 0, mUpdatedSwitchValues, mUpdatedSwitchMask);
1.1843 + getListener()->notifySwitch(&args);
1.1844 +
1.1845 + mUpdatedSwitchValues = 0;
1.1846 + mUpdatedSwitchMask = 0;
1.1847 + }
1.1848 +}
1.1849 +
1.1850 +int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
1.1851 + return getEventHub()->getSwitchState(getDeviceId(), switchCode);
1.1852 +}
1.1853 +
1.1854 +
1.1855 +// --- VibratorInputMapper ---
1.1856 +
1.1857 +VibratorInputMapper::VibratorInputMapper(InputDevice* device) :
1.1858 + InputMapper(device), mVibrating(false) {
1.1859 +}
1.1860 +
1.1861 +VibratorInputMapper::~VibratorInputMapper() {
1.1862 +}
1.1863 +
1.1864 +uint32_t VibratorInputMapper::getSources() {
1.1865 + return 0;
1.1866 +}
1.1867 +
1.1868 +void VibratorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
1.1869 + InputMapper::populateDeviceInfo(info);
1.1870 +
1.1871 + info->setVibrator(true);
1.1872 +}
1.1873 +
1.1874 +void VibratorInputMapper::process(const RawEvent* rawEvent) {
1.1875 + // TODO: Handle FF_STATUS, although it does not seem to be widely supported.
1.1876 +}
1.1877 +
1.1878 +void VibratorInputMapper::vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
1.1879 + int32_t token) {
1.1880 +#if DEBUG_VIBRATOR
1.1881 + String8 patternStr;
1.1882 + for (size_t i = 0; i < patternSize; i++) {
1.1883 + if (i != 0) {
1.1884 + patternStr.append(", ");
1.1885 + }
1.1886 + patternStr.appendFormat("%lld", pattern[i]);
1.1887 + }
1.1888 + ALOGD("vibrate: deviceId=%d, pattern=[%s], repeat=%ld, token=%d",
1.1889 + getDeviceId(), patternStr.string(), repeat, token);
1.1890 +#endif
1.1891 +
1.1892 + mVibrating = true;
1.1893 + memcpy(mPattern, pattern, patternSize * sizeof(nsecs_t));
1.1894 + mPatternSize = patternSize;
1.1895 + mRepeat = repeat;
1.1896 + mToken = token;
1.1897 + mIndex = -1;
1.1898 +
1.1899 + nextStep();
1.1900 +}
1.1901 +
1.1902 +void VibratorInputMapper::cancelVibrate(int32_t token) {
1.1903 +#if DEBUG_VIBRATOR
1.1904 + ALOGD("cancelVibrate: deviceId=%d, token=%d", getDeviceId(), token);
1.1905 +#endif
1.1906 +
1.1907 + if (mVibrating && mToken == token) {
1.1908 + stopVibrating();
1.1909 + }
1.1910 +}
1.1911 +
1.1912 +void VibratorInputMapper::timeoutExpired(nsecs_t when) {
1.1913 + if (mVibrating) {
1.1914 + if (when >= mNextStepTime) {
1.1915 + nextStep();
1.1916 + } else {
1.1917 + getContext()->requestTimeoutAtTime(mNextStepTime);
1.1918 + }
1.1919 + }
1.1920 +}
1.1921 +
1.1922 +void VibratorInputMapper::nextStep() {
1.1923 + mIndex += 1;
1.1924 + if (size_t(mIndex) >= mPatternSize) {
1.1925 + if (mRepeat < 0) {
1.1926 + // We are done.
1.1927 + stopVibrating();
1.1928 + return;
1.1929 + }
1.1930 + mIndex = mRepeat;
1.1931 + }
1.1932 +
1.1933 + bool vibratorOn = mIndex & 1;
1.1934 + nsecs_t duration = mPattern[mIndex];
1.1935 + if (vibratorOn) {
1.1936 +#if DEBUG_VIBRATOR
1.1937 + ALOGD("nextStep: sending vibrate deviceId=%d, duration=%lld",
1.1938 + getDeviceId(), duration);
1.1939 +#endif
1.1940 + getEventHub()->vibrate(getDeviceId(), duration);
1.1941 + } else {
1.1942 +#if DEBUG_VIBRATOR
1.1943 + ALOGD("nextStep: sending cancel vibrate deviceId=%d", getDeviceId());
1.1944 +#endif
1.1945 + getEventHub()->cancelVibrate(getDeviceId());
1.1946 + }
1.1947 + nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
1.1948 + mNextStepTime = now + duration;
1.1949 + getContext()->requestTimeoutAtTime(mNextStepTime);
1.1950 +#if DEBUG_VIBRATOR
1.1951 + ALOGD("nextStep: scheduled timeout in %0.3fms", duration * 0.000001f);
1.1952 +#endif
1.1953 +}
1.1954 +
1.1955 +void VibratorInputMapper::stopVibrating() {
1.1956 + mVibrating = false;
1.1957 +#if DEBUG_VIBRATOR
1.1958 + ALOGD("stopVibrating: sending cancel vibrate deviceId=%d", getDeviceId());
1.1959 +#endif
1.1960 + getEventHub()->cancelVibrate(getDeviceId());
1.1961 +}
1.1962 +
1.1963 +void VibratorInputMapper::dump(String8& dump) {
1.1964 + dump.append(INDENT2 "Vibrator Input Mapper:\n");
1.1965 + dump.appendFormat(INDENT3 "Vibrating: %s\n", toString(mVibrating));
1.1966 +}
1.1967 +
1.1968 +
1.1969 +// --- KeyboardInputMapper ---
1.1970 +
1.1971 +KeyboardInputMapper::KeyboardInputMapper(InputDevice* device,
1.1972 + uint32_t source, int32_t keyboardType) :
1.1973 + InputMapper(device), mSource(source),
1.1974 + mKeyboardType(keyboardType) {
1.1975 +}
1.1976 +
1.1977 +KeyboardInputMapper::~KeyboardInputMapper() {
1.1978 +}
1.1979 +
1.1980 +uint32_t KeyboardInputMapper::getSources() {
1.1981 + return mSource;
1.1982 +}
1.1983 +
1.1984 +void KeyboardInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
1.1985 + InputMapper::populateDeviceInfo(info);
1.1986 +
1.1987 + info->setKeyboardType(mKeyboardType);
1.1988 + info->setKeyCharacterMap(getEventHub()->getKeyCharacterMap(getDeviceId()));
1.1989 +}
1.1990 +
1.1991 +void KeyboardInputMapper::dump(String8& dump) {
1.1992 + dump.append(INDENT2 "Keyboard Input Mapper:\n");
1.1993 + dumpParameters(dump);
1.1994 + dump.appendFormat(INDENT3 "KeyboardType: %d\n", mKeyboardType);
1.1995 + dump.appendFormat(INDENT3 "Orientation: %d\n", mOrientation);
1.1996 + dump.appendFormat(INDENT3 "KeyDowns: %d keys currently down\n", mKeyDowns.size());
1.1997 + dump.appendFormat(INDENT3 "MetaState: 0x%0x\n", mMetaState);
1.1998 + dump.appendFormat(INDENT3 "DownTime: %lld\n", mDownTime);
1.1999 +}
1.2000 +
1.2001 +
1.2002 +void KeyboardInputMapper::configure(nsecs_t when,
1.2003 + const InputReaderConfiguration* config, uint32_t changes) {
1.2004 + InputMapper::configure(when, config, changes);
1.2005 +
1.2006 + if (!changes) { // first time only
1.2007 + // Configure basic parameters.
1.2008 + configureParameters();
1.2009 + }
1.2010 +
1.2011 + if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
1.2012 + if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
1.2013 + DisplayViewport v;
1.2014 + if (config->getDisplayInfo(false /*external*/, &v)) {
1.2015 + mOrientation = v.orientation;
1.2016 + } else {
1.2017 + mOrientation = DISPLAY_ORIENTATION_0;
1.2018 + }
1.2019 + } else {
1.2020 + mOrientation = DISPLAY_ORIENTATION_0;
1.2021 + }
1.2022 + }
1.2023 +}
1.2024 +
1.2025 +void KeyboardInputMapper::configureParameters() {
1.2026 + mParameters.orientationAware = false;
1.2027 + getDevice()->getConfiguration().tryGetProperty(String8("keyboard.orientationAware"),
1.2028 + mParameters.orientationAware);
1.2029 +
1.2030 + mParameters.hasAssociatedDisplay = false;
1.2031 + if (mParameters.orientationAware) {
1.2032 + mParameters.hasAssociatedDisplay = true;
1.2033 + }
1.2034 +}
1.2035 +
1.2036 +void KeyboardInputMapper::dumpParameters(String8& dump) {
1.2037 + dump.append(INDENT3 "Parameters:\n");
1.2038 + dump.appendFormat(INDENT4 "HasAssociatedDisplay: %s\n",
1.2039 + toString(mParameters.hasAssociatedDisplay));
1.2040 + dump.appendFormat(INDENT4 "OrientationAware: %s\n",
1.2041 + toString(mParameters.orientationAware));
1.2042 +}
1.2043 +
1.2044 +void KeyboardInputMapper::reset(nsecs_t when) {
1.2045 + mMetaState = AMETA_NONE;
1.2046 + mDownTime = 0;
1.2047 + mKeyDowns.clear();
1.2048 + mCurrentHidUsage = 0;
1.2049 +
1.2050 + resetLedState();
1.2051 +
1.2052 + InputMapper::reset(when);
1.2053 +}
1.2054 +
1.2055 +void KeyboardInputMapper::process(const RawEvent* rawEvent) {
1.2056 + switch (rawEvent->type) {
1.2057 + case EV_KEY: {
1.2058 + int32_t scanCode = rawEvent->code;
1.2059 + int32_t usageCode = mCurrentHidUsage;
1.2060 + mCurrentHidUsage = 0;
1.2061 +
1.2062 + if (isKeyboardOrGamepadKey(scanCode)) {
1.2063 + int32_t keyCode;
1.2064 + uint32_t flags;
1.2065 + if (getEventHub()->mapKey(getDeviceId(), scanCode, usageCode, &keyCode, &flags)) {
1.2066 + keyCode = AKEYCODE_UNKNOWN;
1.2067 + flags = 0;
1.2068 + }
1.2069 + processKey(rawEvent->when, rawEvent->value != 0, keyCode, scanCode, flags);
1.2070 + }
1.2071 + break;
1.2072 + }
1.2073 + case EV_MSC: {
1.2074 + if (rawEvent->code == MSC_SCAN) {
1.2075 + mCurrentHidUsage = rawEvent->value;
1.2076 + }
1.2077 + break;
1.2078 + }
1.2079 + case EV_SYN: {
1.2080 + if (rawEvent->code == SYN_REPORT) {
1.2081 + mCurrentHidUsage = 0;
1.2082 + }
1.2083 + }
1.2084 + }
1.2085 +}
1.2086 +
1.2087 +bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
1.2088 + return scanCode < BTN_MOUSE
1.2089 + || scanCode >= KEY_OK
1.2090 + || (scanCode >= BTN_MISC && scanCode < BTN_MOUSE)
1.2091 + || (scanCode >= BTN_JOYSTICK && scanCode < BTN_DIGI);
1.2092 +}
1.2093 +
1.2094 +void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
1.2095 + int32_t scanCode, uint32_t policyFlags) {
1.2096 +
1.2097 + if (down) {
1.2098 + // Rotate key codes according to orientation if needed.
1.2099 + if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
1.2100 + keyCode = rotateKeyCode(keyCode, mOrientation);
1.2101 + }
1.2102 +
1.2103 + // Add key down.
1.2104 + ssize_t keyDownIndex = findKeyDown(scanCode);
1.2105 + if (keyDownIndex >= 0) {
1.2106 + // key repeat, be sure to use same keycode as before in case of rotation
1.2107 + keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
1.2108 + } else {
1.2109 + // key down
1.2110 + if ((policyFlags & POLICY_FLAG_VIRTUAL)
1.2111 + && mContext->shouldDropVirtualKey(when,
1.2112 + getDevice(), keyCode, scanCode)) {
1.2113 + return;
1.2114 + }
1.2115 +
1.2116 + mKeyDowns.push();
1.2117 + KeyDown& keyDown = mKeyDowns.editTop();
1.2118 + keyDown.keyCode = keyCode;
1.2119 + keyDown.scanCode = scanCode;
1.2120 + }
1.2121 +
1.2122 + mDownTime = when;
1.2123 + } else {
1.2124 + // Remove key down.
1.2125 + ssize_t keyDownIndex = findKeyDown(scanCode);
1.2126 + if (keyDownIndex >= 0) {
1.2127 + // key up, be sure to use same keycode as before in case of rotation
1.2128 + keyCode = mKeyDowns.itemAt(keyDownIndex).keyCode;
1.2129 + mKeyDowns.removeAt(size_t(keyDownIndex));
1.2130 + } else {
1.2131 + // key was not actually down
1.2132 + ALOGI("Dropping key up from device %s because the key was not down. "
1.2133 + "keyCode=%d, scanCode=%d",
1.2134 + getDeviceName().string(), keyCode, scanCode);
1.2135 + return;
1.2136 + }
1.2137 + }
1.2138 +
1.2139 + bool metaStateChanged = false;
1.2140 + int32_t oldMetaState = mMetaState;
1.2141 + int32_t newMetaState = updateMetaState(keyCode, down, oldMetaState);
1.2142 + if (oldMetaState != newMetaState) {
1.2143 + mMetaState = newMetaState;
1.2144 + metaStateChanged = true;
1.2145 + updateLedState(false);
1.2146 + }
1.2147 +
1.2148 + nsecs_t downTime = mDownTime;
1.2149 +
1.2150 + // Key down on external an keyboard should wake the device.
1.2151 + // We don't do this for internal keyboards to prevent them from waking up in your pocket.
1.2152 + // For internal keyboards, the key layout file should specify the policy flags for
1.2153 + // each wake key individually.
1.2154 + // TODO: Use the input device configuration to control this behavior more finely.
1.2155 + if (down && getDevice()->isExternal()
1.2156 + && !(policyFlags & (POLICY_FLAG_WAKE | POLICY_FLAG_WAKE_DROPPED))) {
1.2157 + policyFlags |= POLICY_FLAG_WAKE_DROPPED;
1.2158 + }
1.2159 +
1.2160 + if (metaStateChanged) {
1.2161 + getContext()->updateGlobalMetaState();
1.2162 + }
1.2163 +
1.2164 + if (down && !isMetaKey(keyCode)) {
1.2165 + getContext()->fadePointer();
1.2166 + }
1.2167 +
1.2168 + NotifyKeyArgs args(when, getDeviceId(), mSource, policyFlags,
1.2169 + down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
1.2170 + AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
1.2171 + getListener()->notifyKey(&args);
1.2172 +}
1.2173 +
1.2174 +ssize_t KeyboardInputMapper::findKeyDown(int32_t scanCode) {
1.2175 + size_t n = mKeyDowns.size();
1.2176 + for (size_t i = 0; i < n; i++) {
1.2177 + if (mKeyDowns[i].scanCode == scanCode) {
1.2178 + return i;
1.2179 + }
1.2180 + }
1.2181 + return -1;
1.2182 +}
1.2183 +
1.2184 +int32_t KeyboardInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
1.2185 + return getEventHub()->getKeyCodeState(getDeviceId(), keyCode);
1.2186 +}
1.2187 +
1.2188 +int32_t KeyboardInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
1.2189 + return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
1.2190 +}
1.2191 +
1.2192 +bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
1.2193 + const int32_t* keyCodes, uint8_t* outFlags) {
1.2194 + return getEventHub()->markSupportedKeyCodes(getDeviceId(), numCodes, keyCodes, outFlags);
1.2195 +}
1.2196 +
1.2197 +int32_t KeyboardInputMapper::getMetaState() {
1.2198 + return mMetaState;
1.2199 +}
1.2200 +
1.2201 +void KeyboardInputMapper::resetLedState() {
1.2202 + initializeLedState(mCapsLockLedState, LED_CAPSL);
1.2203 + initializeLedState(mNumLockLedState, LED_NUML);
1.2204 + initializeLedState(mScrollLockLedState, LED_SCROLLL);
1.2205 +
1.2206 + updateLedState(true);
1.2207 +}
1.2208 +
1.2209 +void KeyboardInputMapper::initializeLedState(LedState& ledState, int32_t led) {
1.2210 + ledState.avail = getEventHub()->hasLed(getDeviceId(), led);
1.2211 + ledState.on = false;
1.2212 +}
1.2213 +
1.2214 +void KeyboardInputMapper::updateLedState(bool reset) {
1.2215 + updateLedStateForModifier(mCapsLockLedState, LED_CAPSL,
1.2216 + AMETA_CAPS_LOCK_ON, reset);
1.2217 + updateLedStateForModifier(mNumLockLedState, LED_NUML,
1.2218 + AMETA_NUM_LOCK_ON, reset);
1.2219 + updateLedStateForModifier(mScrollLockLedState, LED_SCROLLL,
1.2220 + AMETA_SCROLL_LOCK_ON, reset);
1.2221 +}
1.2222 +
1.2223 +void KeyboardInputMapper::updateLedStateForModifier(LedState& ledState,
1.2224 + int32_t led, int32_t modifier, bool reset) {
1.2225 + if (ledState.avail) {
1.2226 + bool desiredState = (mMetaState & modifier) != 0;
1.2227 + if (reset || ledState.on != desiredState) {
1.2228 + getEventHub()->setLedState(getDeviceId(), led, desiredState);
1.2229 + ledState.on = desiredState;
1.2230 + }
1.2231 + }
1.2232 +}
1.2233 +
1.2234 +
1.2235 +// --- CursorInputMapper ---
1.2236 +
1.2237 +CursorInputMapper::CursorInputMapper(InputDevice* device) :
1.2238 + InputMapper(device) {
1.2239 +}
1.2240 +
1.2241 +CursorInputMapper::~CursorInputMapper() {
1.2242 +}
1.2243 +
1.2244 +uint32_t CursorInputMapper::getSources() {
1.2245 + return mSource;
1.2246 +}
1.2247 +
1.2248 +void CursorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
1.2249 + InputMapper::populateDeviceInfo(info);
1.2250 +
1.2251 + if (mParameters.mode == Parameters::MODE_POINTER) {
1.2252 + float minX, minY, maxX, maxY;
1.2253 + if (mPointerController->getBounds(&minX, &minY, &maxX, &maxY)) {
1.2254 + info->addMotionRange(AMOTION_EVENT_AXIS_X, mSource, minX, maxX, 0.0f, 0.0f, 0.0f);
1.2255 + info->addMotionRange(AMOTION_EVENT_AXIS_Y, mSource, minY, maxY, 0.0f, 0.0f, 0.0f);
1.2256 + }
1.2257 + } else {
1.2258 + info->addMotionRange(AMOTION_EVENT_AXIS_X, mSource, -1.0f, 1.0f, 0.0f, mXScale, 0.0f);
1.2259 + info->addMotionRange(AMOTION_EVENT_AXIS_Y, mSource, -1.0f, 1.0f, 0.0f, mYScale, 0.0f);
1.2260 + }
1.2261 + info->addMotionRange(AMOTION_EVENT_AXIS_PRESSURE, mSource, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f);
1.2262 +
1.2263 + if (mCursorScrollAccumulator.haveRelativeVWheel()) {
1.2264 + info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
1.2265 + }
1.2266 + if (mCursorScrollAccumulator.haveRelativeHWheel()) {
1.2267 + info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
1.2268 + }
1.2269 +}
1.2270 +
1.2271 +void CursorInputMapper::dump(String8& dump) {
1.2272 + dump.append(INDENT2 "Cursor Input Mapper:\n");
1.2273 + dumpParameters(dump);
1.2274 + dump.appendFormat(INDENT3 "XScale: %0.3f\n", mXScale);
1.2275 + dump.appendFormat(INDENT3 "YScale: %0.3f\n", mYScale);
1.2276 + dump.appendFormat(INDENT3 "XPrecision: %0.3f\n", mXPrecision);
1.2277 + dump.appendFormat(INDENT3 "YPrecision: %0.3f\n", mYPrecision);
1.2278 + dump.appendFormat(INDENT3 "HaveVWheel: %s\n",
1.2279 + toString(mCursorScrollAccumulator.haveRelativeVWheel()));
1.2280 + dump.appendFormat(INDENT3 "HaveHWheel: %s\n",
1.2281 + toString(mCursorScrollAccumulator.haveRelativeHWheel()));
1.2282 + dump.appendFormat(INDENT3 "VWheelScale: %0.3f\n", mVWheelScale);
1.2283 + dump.appendFormat(INDENT3 "HWheelScale: %0.3f\n", mHWheelScale);
1.2284 + dump.appendFormat(INDENT3 "Orientation: %d\n", mOrientation);
1.2285 + dump.appendFormat(INDENT3 "ButtonState: 0x%08x\n", mButtonState);
1.2286 + dump.appendFormat(INDENT3 "Down: %s\n", toString(isPointerDown(mButtonState)));
1.2287 + dump.appendFormat(INDENT3 "DownTime: %lld\n", mDownTime);
1.2288 +}
1.2289 +
1.2290 +void CursorInputMapper::configure(nsecs_t when,
1.2291 + const InputReaderConfiguration* config, uint32_t changes) {
1.2292 + InputMapper::configure(when, config, changes);
1.2293 +
1.2294 + if (!changes) { // first time only
1.2295 + mCursorScrollAccumulator.configure(getDevice());
1.2296 +
1.2297 + // Configure basic parameters.
1.2298 + configureParameters();
1.2299 +
1.2300 + // Configure device mode.
1.2301 + switch (mParameters.mode) {
1.2302 + case Parameters::MODE_POINTER:
1.2303 + mSource = AINPUT_SOURCE_MOUSE;
1.2304 + mXPrecision = 1.0f;
1.2305 + mYPrecision = 1.0f;
1.2306 + mXScale = 1.0f;
1.2307 + mYScale = 1.0f;
1.2308 + mPointerController = getPolicy()->obtainPointerController(getDeviceId());
1.2309 + break;
1.2310 + case Parameters::MODE_NAVIGATION:
1.2311 + mSource = AINPUT_SOURCE_TRACKBALL;
1.2312 + mXPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
1.2313 + mYPrecision = TRACKBALL_MOVEMENT_THRESHOLD;
1.2314 + mXScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
1.2315 + mYScale = 1.0f / TRACKBALL_MOVEMENT_THRESHOLD;
1.2316 + break;
1.2317 + }
1.2318 +
1.2319 + mVWheelScale = 1.0f;
1.2320 + mHWheelScale = 1.0f;
1.2321 + }
1.2322 +
1.2323 + if (!changes || (changes & InputReaderConfiguration::CHANGE_POINTER_SPEED)) {
1.2324 + mPointerVelocityControl.setParameters(config->pointerVelocityControlParameters);
1.2325 + mWheelXVelocityControl.setParameters(config->wheelVelocityControlParameters);
1.2326 + mWheelYVelocityControl.setParameters(config->wheelVelocityControlParameters);
1.2327 + }
1.2328 +
1.2329 + if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
1.2330 + if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {
1.2331 + DisplayViewport v;
1.2332 + if (config->getDisplayInfo(false /*external*/, &v)) {
1.2333 + mOrientation = v.orientation;
1.2334 + } else {
1.2335 + mOrientation = DISPLAY_ORIENTATION_0;
1.2336 + }
1.2337 + } else {
1.2338 + mOrientation = DISPLAY_ORIENTATION_0;
1.2339 + }
1.2340 + bumpGeneration();
1.2341 + }
1.2342 +}
1.2343 +
1.2344 +void CursorInputMapper::configureParameters() {
1.2345 + mParameters.mode = Parameters::MODE_POINTER;
1.2346 + String8 cursorModeString;
1.2347 + if (getDevice()->getConfiguration().tryGetProperty(String8("cursor.mode"), cursorModeString)) {
1.2348 + if (cursorModeString == "navigation") {
1.2349 + mParameters.mode = Parameters::MODE_NAVIGATION;
1.2350 + } else if (cursorModeString != "pointer" && cursorModeString != "default") {
1.2351 + ALOGW("Invalid value for cursor.mode: '%s'", cursorModeString.string());
1.2352 + }
1.2353 + }
1.2354 +
1.2355 + mParameters.orientationAware = false;
1.2356 + getDevice()->getConfiguration().tryGetProperty(String8("cursor.orientationAware"),
1.2357 + mParameters.orientationAware);
1.2358 +
1.2359 + mParameters.hasAssociatedDisplay = false;
1.2360 + if (mParameters.mode == Parameters::MODE_POINTER || mParameters.orientationAware) {
1.2361 + mParameters.hasAssociatedDisplay = true;
1.2362 + }
1.2363 +}
1.2364 +
1.2365 +void CursorInputMapper::dumpParameters(String8& dump) {
1.2366 + dump.append(INDENT3 "Parameters:\n");
1.2367 + dump.appendFormat(INDENT4 "HasAssociatedDisplay: %s\n",
1.2368 + toString(mParameters.hasAssociatedDisplay));
1.2369 +
1.2370 + switch (mParameters.mode) {
1.2371 + case Parameters::MODE_POINTER:
1.2372 + dump.append(INDENT4 "Mode: pointer\n");
1.2373 + break;
1.2374 + case Parameters::MODE_NAVIGATION:
1.2375 + dump.append(INDENT4 "Mode: navigation\n");
1.2376 + break;
1.2377 + default:
1.2378 + ALOG_ASSERT(false);
1.2379 + }
1.2380 +
1.2381 + dump.appendFormat(INDENT4 "OrientationAware: %s\n",
1.2382 + toString(mParameters.orientationAware));
1.2383 +}
1.2384 +
1.2385 +void CursorInputMapper::reset(nsecs_t when) {
1.2386 + mButtonState = 0;
1.2387 + mDownTime = 0;
1.2388 +
1.2389 + mPointerVelocityControl.reset();
1.2390 + mWheelXVelocityControl.reset();
1.2391 + mWheelYVelocityControl.reset();
1.2392 +
1.2393 + mCursorButtonAccumulator.reset(getDevice());
1.2394 + mCursorMotionAccumulator.reset(getDevice());
1.2395 + mCursorScrollAccumulator.reset(getDevice());
1.2396 +
1.2397 + InputMapper::reset(when);
1.2398 +}
1.2399 +
1.2400 +void CursorInputMapper::process(const RawEvent* rawEvent) {
1.2401 + mCursorButtonAccumulator.process(rawEvent);
1.2402 + mCursorMotionAccumulator.process(rawEvent);
1.2403 + mCursorScrollAccumulator.process(rawEvent);
1.2404 +
1.2405 + if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
1.2406 + sync(rawEvent->when);
1.2407 + }
1.2408 +}
1.2409 +
1.2410 +void CursorInputMapper::sync(nsecs_t when) {
1.2411 + int32_t lastButtonState = mButtonState;
1.2412 + int32_t currentButtonState = mCursorButtonAccumulator.getButtonState();
1.2413 + mButtonState = currentButtonState;
1.2414 +
1.2415 + bool wasDown = isPointerDown(lastButtonState);
1.2416 + bool down = isPointerDown(currentButtonState);
1.2417 + bool downChanged;
1.2418 + if (!wasDown && down) {
1.2419 + mDownTime = when;
1.2420 + downChanged = true;
1.2421 + } else if (wasDown && !down) {
1.2422 + downChanged = true;
1.2423 + } else {
1.2424 + downChanged = false;
1.2425 + }
1.2426 + nsecs_t downTime = mDownTime;
1.2427 + bool buttonsChanged = currentButtonState != lastButtonState;
1.2428 + bool buttonsPressed = currentButtonState & ~lastButtonState;
1.2429 +
1.2430 + float deltaX = mCursorMotionAccumulator.getRelativeX() * mXScale;
1.2431 + float deltaY = mCursorMotionAccumulator.getRelativeY() * mYScale;
1.2432 + bool moved = deltaX != 0 || deltaY != 0;
1.2433 +
1.2434 + // Rotate delta according to orientation if needed.
1.2435 + if (mParameters.orientationAware && mParameters.hasAssociatedDisplay
1.2436 + && (deltaX != 0.0f || deltaY != 0.0f)) {
1.2437 + rotateDelta(mOrientation, &deltaX, &deltaY);
1.2438 + }
1.2439 +
1.2440 + // Move the pointer.
1.2441 + PointerProperties pointerProperties;
1.2442 + pointerProperties.clear();
1.2443 + pointerProperties.id = 0;
1.2444 + pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_MOUSE;
1.2445 +
1.2446 + PointerCoords pointerCoords;
1.2447 + pointerCoords.clear();
1.2448 +
1.2449 + float vscroll = mCursorScrollAccumulator.getRelativeVWheel();
1.2450 + float hscroll = mCursorScrollAccumulator.getRelativeHWheel();
1.2451 + bool scrolled = vscroll != 0 || hscroll != 0;
1.2452 +
1.2453 + mWheelYVelocityControl.move(when, NULL, &vscroll);
1.2454 + mWheelXVelocityControl.move(when, &hscroll, NULL);
1.2455 +
1.2456 + mPointerVelocityControl.move(when, &deltaX, &deltaY);
1.2457 +
1.2458 + int32_t displayId;
1.2459 + if (mPointerController != NULL) {
1.2460 + if (moved || scrolled || buttonsChanged) {
1.2461 + mPointerController->setPresentation(
1.2462 + PointerControllerInterface::PRESENTATION_POINTER);
1.2463 +
1.2464 + if (moved) {
1.2465 + mPointerController->move(deltaX, deltaY);
1.2466 + }
1.2467 +
1.2468 + if (buttonsChanged) {
1.2469 + mPointerController->setButtonState(currentButtonState);
1.2470 + }
1.2471 +
1.2472 + mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
1.2473 + }
1.2474 +
1.2475 + float x, y;
1.2476 + mPointerController->getPosition(&x, &y);
1.2477 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
1.2478 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
1.2479 + displayId = ADISPLAY_ID_DEFAULT;
1.2480 + } else {
1.2481 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, deltaX);
1.2482 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, deltaY);
1.2483 + displayId = ADISPLAY_ID_NONE;
1.2484 + }
1.2485 +
1.2486 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, down ? 1.0f : 0.0f);
1.2487 +
1.2488 + // Moving an external trackball or mouse should wake the device.
1.2489 + // We don't do this for internal cursor devices to prevent them from waking up
1.2490 + // the device in your pocket.
1.2491 + // TODO: Use the input device configuration to control this behavior more finely.
1.2492 + uint32_t policyFlags = 0;
1.2493 + if ((buttonsPressed || moved || scrolled) && getDevice()->isExternal()) {
1.2494 + policyFlags |= POLICY_FLAG_WAKE_DROPPED;
1.2495 + }
1.2496 +
1.2497 + // Synthesize key down from buttons if needed.
1.2498 + synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, getDeviceId(), mSource,
1.2499 + policyFlags, lastButtonState, currentButtonState);
1.2500 +
1.2501 + // Send motion event.
1.2502 + if (downChanged || moved || scrolled || buttonsChanged) {
1.2503 + int32_t metaState = mContext->getGlobalMetaState();
1.2504 + int32_t motionEventAction;
1.2505 + if (downChanged) {
1.2506 + motionEventAction = down ? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
1.2507 + } else if (down || mPointerController == NULL) {
1.2508 + motionEventAction = AMOTION_EVENT_ACTION_MOVE;
1.2509 + } else {
1.2510 + motionEventAction = AMOTION_EVENT_ACTION_HOVER_MOVE;
1.2511 + }
1.2512 +
1.2513 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.2514 + motionEventAction, 0, metaState, currentButtonState, 0,
1.2515 + displayId, 1, &pointerProperties, &pointerCoords,
1.2516 + mXPrecision, mYPrecision, downTime);
1.2517 + getListener()->notifyMotion(&args);
1.2518 +
1.2519 + // Send hover move after UP to tell the application that the mouse is hovering now.
1.2520 + if (motionEventAction == AMOTION_EVENT_ACTION_UP
1.2521 + && mPointerController != NULL) {
1.2522 + NotifyMotionArgs hoverArgs(when, getDeviceId(), mSource, policyFlags,
1.2523 + AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
1.2524 + metaState, currentButtonState, AMOTION_EVENT_EDGE_FLAG_NONE,
1.2525 + displayId, 1, &pointerProperties, &pointerCoords,
1.2526 + mXPrecision, mYPrecision, downTime);
1.2527 + getListener()->notifyMotion(&hoverArgs);
1.2528 + }
1.2529 +
1.2530 + // Send scroll events.
1.2531 + if (scrolled) {
1.2532 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
1.2533 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
1.2534 +
1.2535 + NotifyMotionArgs scrollArgs(when, getDeviceId(), mSource, policyFlags,
1.2536 + AMOTION_EVENT_ACTION_SCROLL, 0, metaState, currentButtonState,
1.2537 + AMOTION_EVENT_EDGE_FLAG_NONE,
1.2538 + displayId, 1, &pointerProperties, &pointerCoords,
1.2539 + mXPrecision, mYPrecision, downTime);
1.2540 + getListener()->notifyMotion(&scrollArgs);
1.2541 + }
1.2542 + }
1.2543 +
1.2544 + // Synthesize key up from buttons if needed.
1.2545 + synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, getDeviceId(), mSource,
1.2546 + policyFlags, lastButtonState, currentButtonState);
1.2547 +
1.2548 + mCursorMotionAccumulator.finishSync();
1.2549 + mCursorScrollAccumulator.finishSync();
1.2550 +}
1.2551 +
1.2552 +int32_t CursorInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
1.2553 + if (scanCode >= BTN_MOUSE && scanCode < BTN_JOYSTICK) {
1.2554 + return getEventHub()->getScanCodeState(getDeviceId(), scanCode);
1.2555 + } else {
1.2556 + return AKEY_STATE_UNKNOWN;
1.2557 + }
1.2558 +}
1.2559 +
1.2560 +void CursorInputMapper::fadePointer() {
1.2561 + if (mPointerController != NULL) {
1.2562 + mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
1.2563 + }
1.2564 +}
1.2565 +
1.2566 +
1.2567 +// --- TouchInputMapper ---
1.2568 +
1.2569 +TouchInputMapper::TouchInputMapper(InputDevice* device) :
1.2570 + InputMapper(device),
1.2571 + mSource(0), mDeviceMode(DEVICE_MODE_DISABLED),
1.2572 + mSurfaceWidth(-1), mSurfaceHeight(-1), mSurfaceLeft(0), mSurfaceTop(0),
1.2573 + mSurfaceOrientation(DISPLAY_ORIENTATION_0) {
1.2574 +}
1.2575 +
1.2576 +TouchInputMapper::~TouchInputMapper() {
1.2577 +}
1.2578 +
1.2579 +uint32_t TouchInputMapper::getSources() {
1.2580 + return mSource;
1.2581 +}
1.2582 +
1.2583 +void TouchInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
1.2584 + InputMapper::populateDeviceInfo(info);
1.2585 +
1.2586 + if (mDeviceMode != DEVICE_MODE_DISABLED) {
1.2587 + info->addMotionRange(mOrientedRanges.x);
1.2588 + info->addMotionRange(mOrientedRanges.y);
1.2589 + info->addMotionRange(mOrientedRanges.pressure);
1.2590 +
1.2591 + if (mOrientedRanges.haveSize) {
1.2592 + info->addMotionRange(mOrientedRanges.size);
1.2593 + }
1.2594 +
1.2595 + if (mOrientedRanges.haveTouchSize) {
1.2596 + info->addMotionRange(mOrientedRanges.touchMajor);
1.2597 + info->addMotionRange(mOrientedRanges.touchMinor);
1.2598 + }
1.2599 +
1.2600 + if (mOrientedRanges.haveToolSize) {
1.2601 + info->addMotionRange(mOrientedRanges.toolMajor);
1.2602 + info->addMotionRange(mOrientedRanges.toolMinor);
1.2603 + }
1.2604 +
1.2605 + if (mOrientedRanges.haveOrientation) {
1.2606 + info->addMotionRange(mOrientedRanges.orientation);
1.2607 + }
1.2608 +
1.2609 + if (mOrientedRanges.haveDistance) {
1.2610 + info->addMotionRange(mOrientedRanges.distance);
1.2611 + }
1.2612 +
1.2613 + if (mOrientedRanges.haveTilt) {
1.2614 + info->addMotionRange(mOrientedRanges.tilt);
1.2615 + }
1.2616 +
1.2617 + if (mCursorScrollAccumulator.haveRelativeVWheel()) {
1.2618 + info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
1.2619 + 0.0f);
1.2620 + }
1.2621 + if (mCursorScrollAccumulator.haveRelativeHWheel()) {
1.2622 + info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
1.2623 + 0.0f);
1.2624 + }
1.2625 + if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) {
1.2626 + const InputDeviceInfo::MotionRange& x = mOrientedRanges.x;
1.2627 + const InputDeviceInfo::MotionRange& y = mOrientedRanges.y;
1.2628 + info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_1, mSource, x.min, x.max, x.flat,
1.2629 + x.fuzz, x.resolution);
1.2630 + info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_2, mSource, y.min, y.max, y.flat,
1.2631 + y.fuzz, y.resolution);
1.2632 + info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_3, mSource, x.min, x.max, x.flat,
1.2633 + x.fuzz, x.resolution);
1.2634 + info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_4, mSource, y.min, y.max, y.flat,
1.2635 + y.fuzz, y.resolution);
1.2636 + }
1.2637 + }
1.2638 +}
1.2639 +
1.2640 +void TouchInputMapper::dump(String8& dump) {
1.2641 + dump.append(INDENT2 "Touch Input Mapper:\n");
1.2642 + dumpParameters(dump);
1.2643 + dumpVirtualKeys(dump);
1.2644 + dumpRawPointerAxes(dump);
1.2645 + dumpCalibration(dump);
1.2646 + dumpSurface(dump);
1.2647 +
1.2648 + dump.appendFormat(INDENT3 "Translation and Scaling Factors:\n");
1.2649 + dump.appendFormat(INDENT4 "XTranslate: %0.3f\n", mXTranslate);
1.2650 + dump.appendFormat(INDENT4 "YTranslate: %0.3f\n", mYTranslate);
1.2651 + dump.appendFormat(INDENT4 "XScale: %0.3f\n", mXScale);
1.2652 + dump.appendFormat(INDENT4 "YScale: %0.3f\n", mYScale);
1.2653 + dump.appendFormat(INDENT4 "XPrecision: %0.3f\n", mXPrecision);
1.2654 + dump.appendFormat(INDENT4 "YPrecision: %0.3f\n", mYPrecision);
1.2655 + dump.appendFormat(INDENT4 "GeometricScale: %0.3f\n", mGeometricScale);
1.2656 + dump.appendFormat(INDENT4 "PressureScale: %0.3f\n", mPressureScale);
1.2657 + dump.appendFormat(INDENT4 "SizeScale: %0.3f\n", mSizeScale);
1.2658 + dump.appendFormat(INDENT4 "OrientationScale: %0.3f\n", mOrientationScale);
1.2659 + dump.appendFormat(INDENT4 "DistanceScale: %0.3f\n", mDistanceScale);
1.2660 + dump.appendFormat(INDENT4 "HaveTilt: %s\n", toString(mHaveTilt));
1.2661 + dump.appendFormat(INDENT4 "TiltXCenter: %0.3f\n", mTiltXCenter);
1.2662 + dump.appendFormat(INDENT4 "TiltXScale: %0.3f\n", mTiltXScale);
1.2663 + dump.appendFormat(INDENT4 "TiltYCenter: %0.3f\n", mTiltYCenter);
1.2664 + dump.appendFormat(INDENT4 "TiltYScale: %0.3f\n", mTiltYScale);
1.2665 +
1.2666 + dump.appendFormat(INDENT3 "Last Button State: 0x%08x\n", mLastButtonState);
1.2667 +
1.2668 + dump.appendFormat(INDENT3 "Last Raw Touch: pointerCount=%d\n",
1.2669 + mLastRawPointerData.pointerCount);
1.2670 + for (uint32_t i = 0; i < mLastRawPointerData.pointerCount; i++) {
1.2671 + const RawPointerData::Pointer& pointer = mLastRawPointerData.pointers[i];
1.2672 + dump.appendFormat(INDENT4 "[%d]: id=%d, x=%d, y=%d, pressure=%d, "
1.2673 + "touchMajor=%d, touchMinor=%d, toolMajor=%d, toolMinor=%d, "
1.2674 + "orientation=%d, tiltX=%d, tiltY=%d, distance=%d, "
1.2675 + "toolType=%d, isHovering=%s\n", i,
1.2676 + pointer.id, pointer.x, pointer.y, pointer.pressure,
1.2677 + pointer.touchMajor, pointer.touchMinor,
1.2678 + pointer.toolMajor, pointer.toolMinor,
1.2679 + pointer.orientation, pointer.tiltX, pointer.tiltY, pointer.distance,
1.2680 + pointer.toolType, toString(pointer.isHovering));
1.2681 + }
1.2682 +
1.2683 + dump.appendFormat(INDENT3 "Last Cooked Touch: pointerCount=%d\n",
1.2684 + mLastCookedPointerData.pointerCount);
1.2685 + for (uint32_t i = 0; i < mLastCookedPointerData.pointerCount; i++) {
1.2686 + const PointerProperties& pointerProperties = mLastCookedPointerData.pointerProperties[i];
1.2687 + const PointerCoords& pointerCoords = mLastCookedPointerData.pointerCoords[i];
1.2688 + dump.appendFormat(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, pressure=%0.3f, "
1.2689 + "touchMajor=%0.3f, touchMinor=%0.3f, toolMajor=%0.3f, toolMinor=%0.3f, "
1.2690 + "orientation=%0.3f, tilt=%0.3f, distance=%0.3f, "
1.2691 + "toolType=%d, isHovering=%s\n", i,
1.2692 + pointerProperties.id,
1.2693 + pointerCoords.getX(),
1.2694 + pointerCoords.getY(),
1.2695 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
1.2696 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
1.2697 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
1.2698 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
1.2699 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
1.2700 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
1.2701 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TILT),
1.2702 + pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_DISTANCE),
1.2703 + pointerProperties.toolType,
1.2704 + toString(mLastCookedPointerData.isHovering(i)));
1.2705 + }
1.2706 +
1.2707 + if (mDeviceMode == DEVICE_MODE_POINTER) {
1.2708 + dump.appendFormat(INDENT3 "Pointer Gesture Detector:\n");
1.2709 + dump.appendFormat(INDENT4 "XMovementScale: %0.3f\n",
1.2710 + mPointerXMovementScale);
1.2711 + dump.appendFormat(INDENT4 "YMovementScale: %0.3f\n",
1.2712 + mPointerYMovementScale);
1.2713 + dump.appendFormat(INDENT4 "XZoomScale: %0.3f\n",
1.2714 + mPointerXZoomScale);
1.2715 + dump.appendFormat(INDENT4 "YZoomScale: %0.3f\n",
1.2716 + mPointerYZoomScale);
1.2717 + dump.appendFormat(INDENT4 "MaxSwipeWidth: %f\n",
1.2718 + mPointerGestureMaxSwipeWidth);
1.2719 + }
1.2720 +}
1.2721 +
1.2722 +void TouchInputMapper::configure(nsecs_t when,
1.2723 + const InputReaderConfiguration* config, uint32_t changes) {
1.2724 + InputMapper::configure(when, config, changes);
1.2725 +
1.2726 + mConfig = *config;
1.2727 +
1.2728 + if (!changes) { // first time only
1.2729 + // Configure basic parameters.
1.2730 + configureParameters();
1.2731 +
1.2732 + // Configure common accumulators.
1.2733 + mCursorScrollAccumulator.configure(getDevice());
1.2734 + mTouchButtonAccumulator.configure(getDevice());
1.2735 +
1.2736 + // Configure absolute axis information.
1.2737 + configureRawPointerAxes();
1.2738 +
1.2739 + // Prepare input device calibration.
1.2740 + parseCalibration();
1.2741 + resolveCalibration();
1.2742 + }
1.2743 +
1.2744 + if (!changes || (changes & InputReaderConfiguration::CHANGE_POINTER_SPEED)) {
1.2745 + // Update pointer speed.
1.2746 + mPointerVelocityControl.setParameters(mConfig.pointerVelocityControlParameters);
1.2747 + mWheelXVelocityControl.setParameters(mConfig.wheelVelocityControlParameters);
1.2748 + mWheelYVelocityControl.setParameters(mConfig.wheelVelocityControlParameters);
1.2749 + }
1.2750 +
1.2751 + bool resetNeeded = false;
1.2752 + if (!changes || (changes & (InputReaderConfiguration::CHANGE_DISPLAY_INFO
1.2753 + | InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT
1.2754 + | InputReaderConfiguration::CHANGE_SHOW_TOUCHES))) {
1.2755 + // Configure device sources, surface dimensions, orientation and
1.2756 + // scaling factors.
1.2757 + configureSurface(when, &resetNeeded);
1.2758 + }
1.2759 +
1.2760 + if (changes && resetNeeded) {
1.2761 + // Send reset, unless this is the first time the device has been configured,
1.2762 + // in which case the reader will call reset itself after all mappers are ready.
1.2763 + getDevice()->notifyReset(when);
1.2764 + }
1.2765 +}
1.2766 +
1.2767 +void TouchInputMapper::configureParameters() {
1.2768 + // Use the pointer presentation mode for devices that do not support distinct
1.2769 + // multitouch. The spot-based presentation relies on being able to accurately
1.2770 + // locate two or more fingers on the touch pad.
1.2771 + mParameters.gestureMode = getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_SEMI_MT)
1.2772 + ? Parameters::GESTURE_MODE_POINTER : Parameters::GESTURE_MODE_SPOTS;
1.2773 +
1.2774 + String8 gestureModeString;
1.2775 + if (getDevice()->getConfiguration().tryGetProperty(String8("touch.gestureMode"),
1.2776 + gestureModeString)) {
1.2777 + if (gestureModeString == "pointer") {
1.2778 + mParameters.gestureMode = Parameters::GESTURE_MODE_POINTER;
1.2779 + } else if (gestureModeString == "spots") {
1.2780 + mParameters.gestureMode = Parameters::GESTURE_MODE_SPOTS;
1.2781 + } else if (gestureModeString != "default") {
1.2782 + ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.string());
1.2783 + }
1.2784 + }
1.2785 +
1.2786 + if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_DIRECT)) {
1.2787 + // The device is a touch screen.
1.2788 + mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN;
1.2789 + } else if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_POINTER)) {
1.2790 + // The device is a pointing device like a track pad.
1.2791 + mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
1.2792 + } else if (getEventHub()->hasRelativeAxis(getDeviceId(), REL_X)
1.2793 + || getEventHub()->hasRelativeAxis(getDeviceId(), REL_Y)) {
1.2794 + // The device is a cursor device with a touch pad attached.
1.2795 + // By default don't use the touch pad to move the pointer.
1.2796 + mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD;
1.2797 + } else {
1.2798 + // The device is a touch pad of unknown purpose.
1.2799 + mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
1.2800 + }
1.2801 +
1.2802 + String8 deviceTypeString;
1.2803 + if (getDevice()->getConfiguration().tryGetProperty(String8("touch.deviceType"),
1.2804 + deviceTypeString)) {
1.2805 + if (deviceTypeString == "touchScreen") {
1.2806 + mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN;
1.2807 + } else if (deviceTypeString == "touchPad") {
1.2808 + mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD;
1.2809 + } else if (deviceTypeString == "touchNavigation") {
1.2810 + mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_NAVIGATION;
1.2811 + } else if (deviceTypeString == "pointer") {
1.2812 + mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER;
1.2813 + } else if (deviceTypeString != "default") {
1.2814 + ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.string());
1.2815 + }
1.2816 + }
1.2817 +
1.2818 + mParameters.orientationAware = mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN;
1.2819 + getDevice()->getConfiguration().tryGetProperty(String8("touch.orientationAware"),
1.2820 + mParameters.orientationAware);
1.2821 +
1.2822 + mParameters.hasAssociatedDisplay = false;
1.2823 + mParameters.associatedDisplayIsExternal = false;
1.2824 + if (mParameters.orientationAware
1.2825 + || mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
1.2826 + || mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER) {
1.2827 + mParameters.hasAssociatedDisplay = true;
1.2828 + mParameters.associatedDisplayIsExternal =
1.2829 + mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
1.2830 + && getDevice()->isExternal();
1.2831 + }
1.2832 +}
1.2833 +
1.2834 +void TouchInputMapper::dumpParameters(String8& dump) {
1.2835 + dump.append(INDENT3 "Parameters:\n");
1.2836 +
1.2837 + switch (mParameters.gestureMode) {
1.2838 + case Parameters::GESTURE_MODE_POINTER:
1.2839 + dump.append(INDENT4 "GestureMode: pointer\n");
1.2840 + break;
1.2841 + case Parameters::GESTURE_MODE_SPOTS:
1.2842 + dump.append(INDENT4 "GestureMode: spots\n");
1.2843 + break;
1.2844 + default:
1.2845 + assert(false);
1.2846 + }
1.2847 +
1.2848 + switch (mParameters.deviceType) {
1.2849 + case Parameters::DEVICE_TYPE_TOUCH_SCREEN:
1.2850 + dump.append(INDENT4 "DeviceType: touchScreen\n");
1.2851 + break;
1.2852 + case Parameters::DEVICE_TYPE_TOUCH_PAD:
1.2853 + dump.append(INDENT4 "DeviceType: touchPad\n");
1.2854 + break;
1.2855 + case Parameters::DEVICE_TYPE_TOUCH_NAVIGATION:
1.2856 + dump.append(INDENT4 "DeviceType: touchNavigation\n");
1.2857 + break;
1.2858 + case Parameters::DEVICE_TYPE_POINTER:
1.2859 + dump.append(INDENT4 "DeviceType: pointer\n");
1.2860 + break;
1.2861 + default:
1.2862 + ALOG_ASSERT(false);
1.2863 + }
1.2864 +
1.2865 + dump.appendFormat(INDENT4 "AssociatedDisplay: hasAssociatedDisplay=%s, isExternal=%s\n",
1.2866 + toString(mParameters.hasAssociatedDisplay),
1.2867 + toString(mParameters.associatedDisplayIsExternal));
1.2868 + dump.appendFormat(INDENT4 "OrientationAware: %s\n",
1.2869 + toString(mParameters.orientationAware));
1.2870 +}
1.2871 +
1.2872 +void TouchInputMapper::configureRawPointerAxes() {
1.2873 + mRawPointerAxes.clear();
1.2874 +}
1.2875 +
1.2876 +void TouchInputMapper::dumpRawPointerAxes(String8& dump) {
1.2877 + dump.append(INDENT3 "Raw Touch Axes:\n");
1.2878 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.x, "X");
1.2879 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.y, "Y");
1.2880 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.pressure, "Pressure");
1.2881 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMajor, "TouchMajor");
1.2882 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMinor, "TouchMinor");
1.2883 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMajor, "ToolMajor");
1.2884 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMinor, "ToolMinor");
1.2885 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.orientation, "Orientation");
1.2886 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.distance, "Distance");
1.2887 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltX, "TiltX");
1.2888 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltY, "TiltY");
1.2889 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.trackingId, "TrackingId");
1.2890 + dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.slot, "Slot");
1.2891 +}
1.2892 +
1.2893 +void TouchInputMapper::configureSurface(nsecs_t when, bool* outResetNeeded) {
1.2894 + int32_t oldDeviceMode = mDeviceMode;
1.2895 +
1.2896 + // Determine device mode.
1.2897 + if (mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER
1.2898 + && mConfig.pointerGesturesEnabled) {
1.2899 + mSource = AINPUT_SOURCE_MOUSE;
1.2900 + mDeviceMode = DEVICE_MODE_POINTER;
1.2901 + if (hasStylus()) {
1.2902 + mSource |= AINPUT_SOURCE_STYLUS;
1.2903 + }
1.2904 + } else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN
1.2905 + && mParameters.hasAssociatedDisplay) {
1.2906 + mSource = AINPUT_SOURCE_TOUCHSCREEN;
1.2907 + mDeviceMode = DEVICE_MODE_DIRECT;
1.2908 + if (hasStylus()) {
1.2909 + mSource |= AINPUT_SOURCE_STYLUS;
1.2910 + }
1.2911 + } else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_NAVIGATION) {
1.2912 + mSource = AINPUT_SOURCE_TOUCH_NAVIGATION;
1.2913 + mDeviceMode = DEVICE_MODE_NAVIGATION;
1.2914 + } else {
1.2915 + mSource = AINPUT_SOURCE_TOUCHPAD;
1.2916 + mDeviceMode = DEVICE_MODE_UNSCALED;
1.2917 + }
1.2918 +
1.2919 + // Ensure we have valid X and Y axes.
1.2920 + if (!mRawPointerAxes.x.valid || !mRawPointerAxes.y.valid) {
1.2921 + ALOGW(INDENT "Touch device '%s' did not report support for X or Y axis! "
1.2922 + "The device will be inoperable.", getDeviceName().string());
1.2923 + mDeviceMode = DEVICE_MODE_DISABLED;
1.2924 + return;
1.2925 + }
1.2926 +
1.2927 + // Raw width and height in the natural orientation.
1.2928 + int32_t rawWidth = mRawPointerAxes.x.maxValue - mRawPointerAxes.x.minValue + 1;
1.2929 + int32_t rawHeight = mRawPointerAxes.y.maxValue - mRawPointerAxes.y.minValue + 1;
1.2930 +
1.2931 + // Get associated display dimensions.
1.2932 + bool viewportChanged = false;
1.2933 + DisplayViewport newViewport;
1.2934 + if (mParameters.hasAssociatedDisplay) {
1.2935 + if (!mConfig.getDisplayInfo(mParameters.associatedDisplayIsExternal, &newViewport)) {
1.2936 + ALOGI(INDENT "Touch device '%s' could not query the properties of its associated "
1.2937 + "display. The device will be inoperable until the display size "
1.2938 + "becomes available.",
1.2939 + getDeviceName().string());
1.2940 + mDeviceMode = DEVICE_MODE_DISABLED;
1.2941 + return;
1.2942 + }
1.2943 + } else {
1.2944 + newViewport.setNonDisplayViewport(rawWidth, rawHeight);
1.2945 + }
1.2946 + if (mViewport != newViewport) {
1.2947 + mViewport = newViewport;
1.2948 + viewportChanged = true;
1.2949 +
1.2950 + if (mDeviceMode == DEVICE_MODE_DIRECT || mDeviceMode == DEVICE_MODE_POINTER) {
1.2951 + // Convert rotated viewport to natural surface coordinates.
1.2952 + int32_t naturalLogicalWidth, naturalLogicalHeight;
1.2953 + int32_t naturalPhysicalWidth, naturalPhysicalHeight;
1.2954 + int32_t naturalPhysicalLeft, naturalPhysicalTop;
1.2955 + int32_t naturalDeviceWidth, naturalDeviceHeight;
1.2956 + switch (mViewport.orientation) {
1.2957 + case DISPLAY_ORIENTATION_90:
1.2958 + naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop;
1.2959 + naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
1.2960 + naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
1.2961 + naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
1.2962 + naturalPhysicalLeft = mViewport.deviceHeight - mViewport.physicalBottom;
1.2963 + naturalPhysicalTop = mViewport.physicalLeft;
1.2964 + naturalDeviceWidth = mViewport.deviceHeight;
1.2965 + naturalDeviceHeight = mViewport.deviceWidth;
1.2966 + break;
1.2967 + case DISPLAY_ORIENTATION_180:
1.2968 + naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft;
1.2969 + naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop;
1.2970 + naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
1.2971 + naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
1.2972 + naturalPhysicalLeft = mViewport.deviceWidth - mViewport.physicalRight;
1.2973 + naturalPhysicalTop = mViewport.deviceHeight - mViewport.physicalBottom;
1.2974 + naturalDeviceWidth = mViewport.deviceWidth;
1.2975 + naturalDeviceHeight = mViewport.deviceHeight;
1.2976 + break;
1.2977 + case DISPLAY_ORIENTATION_270:
1.2978 + naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop;
1.2979 + naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
1.2980 + naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
1.2981 + naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
1.2982 + naturalPhysicalLeft = mViewport.physicalTop;
1.2983 + naturalPhysicalTop = mViewport.deviceWidth - mViewport.physicalRight;
1.2984 + naturalDeviceWidth = mViewport.deviceHeight;
1.2985 + naturalDeviceHeight = mViewport.deviceWidth;
1.2986 + break;
1.2987 + case DISPLAY_ORIENTATION_0:
1.2988 + default:
1.2989 + naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft;
1.2990 + naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop;
1.2991 + naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft;
1.2992 + naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop;
1.2993 + naturalPhysicalLeft = mViewport.physicalLeft;
1.2994 + naturalPhysicalTop = mViewport.physicalTop;
1.2995 + naturalDeviceWidth = mViewport.deviceWidth;
1.2996 + naturalDeviceHeight = mViewport.deviceHeight;
1.2997 + break;
1.2998 + }
1.2999 +
1.3000 + mSurfaceWidth = naturalLogicalWidth * naturalDeviceWidth / naturalPhysicalWidth;
1.3001 + mSurfaceHeight = naturalLogicalHeight * naturalDeviceHeight / naturalPhysicalHeight;
1.3002 + mSurfaceLeft = naturalPhysicalLeft * naturalLogicalWidth / naturalPhysicalWidth;
1.3003 + mSurfaceTop = naturalPhysicalTop * naturalLogicalHeight / naturalPhysicalHeight;
1.3004 +
1.3005 + mSurfaceOrientation = mParameters.orientationAware ?
1.3006 + mViewport.orientation : DISPLAY_ORIENTATION_0;
1.3007 + } else {
1.3008 + mSurfaceWidth = rawWidth;
1.3009 + mSurfaceHeight = rawHeight;
1.3010 + mSurfaceLeft = 0;
1.3011 + mSurfaceTop = 0;
1.3012 + mSurfaceOrientation = DISPLAY_ORIENTATION_0;
1.3013 + }
1.3014 + }
1.3015 +
1.3016 + // If moving between pointer modes, need to reset some state.
1.3017 + bool deviceModeChanged;
1.3018 + if (mDeviceMode != oldDeviceMode) {
1.3019 + deviceModeChanged = true;
1.3020 + mOrientedRanges.clear();
1.3021 + }
1.3022 +
1.3023 + // Create pointer controller if needed.
1.3024 + if (mDeviceMode == DEVICE_MODE_POINTER ||
1.3025 + (mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches)) {
1.3026 + if (mPointerController == NULL) {
1.3027 + mPointerController = getPolicy()->obtainPointerController(getDeviceId());
1.3028 + }
1.3029 + } else {
1.3030 + mPointerController.clear();
1.3031 + }
1.3032 +
1.3033 + if (viewportChanged || deviceModeChanged) {
1.3034 + ALOGI("Device reconfigured: id=%d, name='%s', size %dx%d, orientation %d, mode %d, "
1.3035 + "display id %d",
1.3036 + getDeviceId(), getDeviceName().string(), mSurfaceWidth, mSurfaceHeight,
1.3037 + mSurfaceOrientation, mDeviceMode, mViewport.displayId);
1.3038 +
1.3039 + // Configure X and Y factors.
1.3040 + mXScale = float(mSurfaceWidth) / rawWidth;
1.3041 + mYScale = float(mSurfaceHeight) / rawHeight;
1.3042 + mXTranslate = -mSurfaceLeft;
1.3043 + mYTranslate = -mSurfaceTop;
1.3044 + mXPrecision = 1.0f / mXScale;
1.3045 + mYPrecision = 1.0f / mYScale;
1.3046 +
1.3047 + mOrientedRanges.x.axis = AMOTION_EVENT_AXIS_X;
1.3048 + mOrientedRanges.x.source = mSource;
1.3049 + mOrientedRanges.y.axis = AMOTION_EVENT_AXIS_Y;
1.3050 + mOrientedRanges.y.source = mSource;
1.3051 +
1.3052 + configureVirtualKeys();
1.3053 +
1.3054 + // Scale factor for terms that are not oriented in a particular axis.
1.3055 + // If the pixels are square then xScale == yScale otherwise we fake it
1.3056 + // by choosing an average.
1.3057 + mGeometricScale = avg(mXScale, mYScale);
1.3058 +
1.3059 + // Size of diagonal axis.
1.3060 + float diagonalSize = hypotf(mSurfaceWidth, mSurfaceHeight);
1.3061 +
1.3062 + // Size factors.
1.3063 + if (mCalibration.sizeCalibration != Calibration::SIZE_CALIBRATION_NONE) {
1.3064 + if (mRawPointerAxes.touchMajor.valid
1.3065 + && mRawPointerAxes.touchMajor.maxValue != 0) {
1.3066 + mSizeScale = 1.0f / mRawPointerAxes.touchMajor.maxValue;
1.3067 + } else if (mRawPointerAxes.toolMajor.valid
1.3068 + && mRawPointerAxes.toolMajor.maxValue != 0) {
1.3069 + mSizeScale = 1.0f / mRawPointerAxes.toolMajor.maxValue;
1.3070 + } else {
1.3071 + mSizeScale = 0.0f;
1.3072 + }
1.3073 +
1.3074 + mOrientedRanges.haveTouchSize = true;
1.3075 + mOrientedRanges.haveToolSize = true;
1.3076 + mOrientedRanges.haveSize = true;
1.3077 +
1.3078 + mOrientedRanges.touchMajor.axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR;
1.3079 + mOrientedRanges.touchMajor.source = mSource;
1.3080 + mOrientedRanges.touchMajor.min = 0;
1.3081 + mOrientedRanges.touchMajor.max = diagonalSize;
1.3082 + mOrientedRanges.touchMajor.flat = 0;
1.3083 + mOrientedRanges.touchMajor.fuzz = 0;
1.3084 + mOrientedRanges.touchMajor.resolution = 0;
1.3085 +
1.3086 + mOrientedRanges.touchMinor = mOrientedRanges.touchMajor;
1.3087 + mOrientedRanges.touchMinor.axis = AMOTION_EVENT_AXIS_TOUCH_MINOR;
1.3088 +
1.3089 + mOrientedRanges.toolMajor.axis = AMOTION_EVENT_AXIS_TOOL_MAJOR;
1.3090 + mOrientedRanges.toolMajor.source = mSource;
1.3091 + mOrientedRanges.toolMajor.min = 0;
1.3092 + mOrientedRanges.toolMajor.max = diagonalSize;
1.3093 + mOrientedRanges.toolMajor.flat = 0;
1.3094 + mOrientedRanges.toolMajor.fuzz = 0;
1.3095 + mOrientedRanges.toolMajor.resolution = 0;
1.3096 +
1.3097 + mOrientedRanges.toolMinor = mOrientedRanges.toolMajor;
1.3098 + mOrientedRanges.toolMinor.axis = AMOTION_EVENT_AXIS_TOOL_MINOR;
1.3099 +
1.3100 + mOrientedRanges.size.axis = AMOTION_EVENT_AXIS_SIZE;
1.3101 + mOrientedRanges.size.source = mSource;
1.3102 + mOrientedRanges.size.min = 0;
1.3103 + mOrientedRanges.size.max = 1.0;
1.3104 + mOrientedRanges.size.flat = 0;
1.3105 + mOrientedRanges.size.fuzz = 0;
1.3106 + mOrientedRanges.size.resolution = 0;
1.3107 + } else {
1.3108 + mSizeScale = 0.0f;
1.3109 + }
1.3110 +
1.3111 + // Pressure factors.
1.3112 + mPressureScale = 0;
1.3113 + if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_PHYSICAL
1.3114 + || mCalibration.pressureCalibration
1.3115 + == Calibration::PRESSURE_CALIBRATION_AMPLITUDE) {
1.3116 + if (mCalibration.havePressureScale) {
1.3117 + mPressureScale = mCalibration.pressureScale;
1.3118 + } else if (mRawPointerAxes.pressure.valid
1.3119 + && mRawPointerAxes.pressure.maxValue != 0) {
1.3120 + mPressureScale = 1.0f / mRawPointerAxes.pressure.maxValue;
1.3121 + }
1.3122 + }
1.3123 +
1.3124 + mOrientedRanges.pressure.axis = AMOTION_EVENT_AXIS_PRESSURE;
1.3125 + mOrientedRanges.pressure.source = mSource;
1.3126 + mOrientedRanges.pressure.min = 0;
1.3127 + mOrientedRanges.pressure.max = 1.0;
1.3128 + mOrientedRanges.pressure.flat = 0;
1.3129 + mOrientedRanges.pressure.fuzz = 0;
1.3130 + mOrientedRanges.pressure.resolution = 0;
1.3131 +
1.3132 + // Tilt
1.3133 + mTiltXCenter = 0;
1.3134 + mTiltXScale = 0;
1.3135 + mTiltYCenter = 0;
1.3136 + mTiltYScale = 0;
1.3137 + mHaveTilt = mRawPointerAxes.tiltX.valid && mRawPointerAxes.tiltY.valid;
1.3138 + if (mHaveTilt) {
1.3139 + mTiltXCenter = avg(mRawPointerAxes.tiltX.minValue,
1.3140 + mRawPointerAxes.tiltX.maxValue);
1.3141 + mTiltYCenter = avg(mRawPointerAxes.tiltY.minValue,
1.3142 + mRawPointerAxes.tiltY.maxValue);
1.3143 + mTiltXScale = M_PI / 180;
1.3144 + mTiltYScale = M_PI / 180;
1.3145 +
1.3146 + mOrientedRanges.haveTilt = true;
1.3147 +
1.3148 + mOrientedRanges.tilt.axis = AMOTION_EVENT_AXIS_TILT;
1.3149 + mOrientedRanges.tilt.source = mSource;
1.3150 + mOrientedRanges.tilt.min = 0;
1.3151 + mOrientedRanges.tilt.max = M_PI_2;
1.3152 + mOrientedRanges.tilt.flat = 0;
1.3153 + mOrientedRanges.tilt.fuzz = 0;
1.3154 + mOrientedRanges.tilt.resolution = 0;
1.3155 + }
1.3156 +
1.3157 + // Orientation
1.3158 + mOrientationScale = 0;
1.3159 + if (mHaveTilt) {
1.3160 + mOrientedRanges.haveOrientation = true;
1.3161 +
1.3162 + mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
1.3163 + mOrientedRanges.orientation.source = mSource;
1.3164 + mOrientedRanges.orientation.min = -M_PI;
1.3165 + mOrientedRanges.orientation.max = M_PI;
1.3166 + mOrientedRanges.orientation.flat = 0;
1.3167 + mOrientedRanges.orientation.fuzz = 0;
1.3168 + mOrientedRanges.orientation.resolution = 0;
1.3169 + } else if (mCalibration.orientationCalibration !=
1.3170 + Calibration::ORIENTATION_CALIBRATION_NONE) {
1.3171 + if (mCalibration.orientationCalibration
1.3172 + == Calibration::ORIENTATION_CALIBRATION_INTERPOLATED) {
1.3173 + if (mRawPointerAxes.orientation.valid) {
1.3174 + if (mRawPointerAxes.orientation.maxValue > 0) {
1.3175 + mOrientationScale = M_PI_2 / mRawPointerAxes.orientation.maxValue;
1.3176 + } else if (mRawPointerAxes.orientation.minValue < 0) {
1.3177 + mOrientationScale = -M_PI_2 / mRawPointerAxes.orientation.minValue;
1.3178 + } else {
1.3179 + mOrientationScale = 0;
1.3180 + }
1.3181 + }
1.3182 + }
1.3183 +
1.3184 + mOrientedRanges.haveOrientation = true;
1.3185 +
1.3186 + mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION;
1.3187 + mOrientedRanges.orientation.source = mSource;
1.3188 + mOrientedRanges.orientation.min = -M_PI_2;
1.3189 + mOrientedRanges.orientation.max = M_PI_2;
1.3190 + mOrientedRanges.orientation.flat = 0;
1.3191 + mOrientedRanges.orientation.fuzz = 0;
1.3192 + mOrientedRanges.orientation.resolution = 0;
1.3193 + }
1.3194 +
1.3195 + // Distance
1.3196 + mDistanceScale = 0;
1.3197 + if (mCalibration.distanceCalibration != Calibration::DISTANCE_CALIBRATION_NONE) {
1.3198 + if (mCalibration.distanceCalibration
1.3199 + == Calibration::DISTANCE_CALIBRATION_SCALED) {
1.3200 + if (mCalibration.haveDistanceScale) {
1.3201 + mDistanceScale = mCalibration.distanceScale;
1.3202 + } else {
1.3203 + mDistanceScale = 1.0f;
1.3204 + }
1.3205 + }
1.3206 +
1.3207 + mOrientedRanges.haveDistance = true;
1.3208 +
1.3209 + mOrientedRanges.distance.axis = AMOTION_EVENT_AXIS_DISTANCE;
1.3210 + mOrientedRanges.distance.source = mSource;
1.3211 + mOrientedRanges.distance.min =
1.3212 + mRawPointerAxes.distance.minValue * mDistanceScale;
1.3213 + mOrientedRanges.distance.max =
1.3214 + mRawPointerAxes.distance.maxValue * mDistanceScale;
1.3215 + mOrientedRanges.distance.flat = 0;
1.3216 + mOrientedRanges.distance.fuzz =
1.3217 + mRawPointerAxes.distance.fuzz * mDistanceScale;
1.3218 + mOrientedRanges.distance.resolution = 0;
1.3219 + }
1.3220 +
1.3221 + // Compute oriented precision, scales and ranges.
1.3222 + // Note that the maximum value reported is an inclusive maximum value so it is one
1.3223 + // unit less than the total width or height of surface.
1.3224 + switch (mSurfaceOrientation) {
1.3225 + case DISPLAY_ORIENTATION_90:
1.3226 + case DISPLAY_ORIENTATION_270:
1.3227 + mOrientedXPrecision = mYPrecision;
1.3228 + mOrientedYPrecision = mXPrecision;
1.3229 +
1.3230 + mOrientedRanges.x.min = mYTranslate;
1.3231 + mOrientedRanges.x.max = mSurfaceHeight + mYTranslate - 1;
1.3232 + mOrientedRanges.x.flat = 0;
1.3233 + mOrientedRanges.x.fuzz = 0;
1.3234 + mOrientedRanges.x.resolution = mRawPointerAxes.y.resolution * mYScale;
1.3235 +
1.3236 + mOrientedRanges.y.min = mXTranslate;
1.3237 + mOrientedRanges.y.max = mSurfaceWidth + mXTranslate - 1;
1.3238 + mOrientedRanges.y.flat = 0;
1.3239 + mOrientedRanges.y.fuzz = 0;
1.3240 + mOrientedRanges.y.resolution = mRawPointerAxes.x.resolution * mXScale;
1.3241 + break;
1.3242 +
1.3243 + default:
1.3244 + mOrientedXPrecision = mXPrecision;
1.3245 + mOrientedYPrecision = mYPrecision;
1.3246 +
1.3247 + mOrientedRanges.x.min = mXTranslate;
1.3248 + mOrientedRanges.x.max = mSurfaceWidth + mXTranslate - 1;
1.3249 + mOrientedRanges.x.flat = 0;
1.3250 + mOrientedRanges.x.fuzz = 0;
1.3251 + mOrientedRanges.x.resolution = mRawPointerAxes.x.resolution * mXScale;
1.3252 +
1.3253 + mOrientedRanges.y.min = mYTranslate;
1.3254 + mOrientedRanges.y.max = mSurfaceHeight + mYTranslate - 1;
1.3255 + mOrientedRanges.y.flat = 0;
1.3256 + mOrientedRanges.y.fuzz = 0;
1.3257 + mOrientedRanges.y.resolution = mRawPointerAxes.y.resolution * mYScale;
1.3258 + break;
1.3259 + }
1.3260 +
1.3261 + if (mDeviceMode == DEVICE_MODE_POINTER) {
1.3262 + // Compute pointer gesture detection parameters.
1.3263 + float rawDiagonal = hypotf(rawWidth, rawHeight);
1.3264 + float displayDiagonal = hypotf(mSurfaceWidth, mSurfaceHeight);
1.3265 +
1.3266 + // Scale movements such that one whole swipe of the touch pad covers a
1.3267 + // given area relative to the diagonal size of the display when no acceleration
1.3268 + // is applied.
1.3269 + // Assume that the touch pad has a square aspect ratio such that movements in
1.3270 + // X and Y of the same number of raw units cover the same physical distance.
1.3271 + mPointerXMovementScale = mConfig.pointerGestureMovementSpeedRatio
1.3272 + * displayDiagonal / rawDiagonal;
1.3273 + mPointerYMovementScale = mPointerXMovementScale;
1.3274 +
1.3275 + // Scale zooms to cover a smaller range of the display than movements do.
1.3276 + // This value determines the area around the pointer that is affected by freeform
1.3277 + // pointer gestures.
1.3278 + mPointerXZoomScale = mConfig.pointerGestureZoomSpeedRatio
1.3279 + * displayDiagonal / rawDiagonal;
1.3280 + mPointerYZoomScale = mPointerXZoomScale;
1.3281 +
1.3282 + // Max width between pointers to detect a swipe gesture is more than some fraction
1.3283 + // of the diagonal axis of the touch pad. Touches that are wider than this are
1.3284 + // translated into freeform gestures.
1.3285 + mPointerGestureMaxSwipeWidth =
1.3286 + mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal;
1.3287 +
1.3288 + // Abort current pointer usages because the state has changed.
1.3289 + abortPointerUsage(when, 0 /*policyFlags*/);
1.3290 + }
1.3291 +
1.3292 + // Inform the dispatcher about the changes.
1.3293 + *outResetNeeded = true;
1.3294 + bumpGeneration();
1.3295 + }
1.3296 +}
1.3297 +
1.3298 +void TouchInputMapper::dumpSurface(String8& dump) {
1.3299 + dump.appendFormat(INDENT3 "Viewport: displayId=%d, orientation=%d, "
1.3300 + "logicalFrame=[%d, %d, %d, %d], "
1.3301 + "physicalFrame=[%d, %d, %d, %d], "
1.3302 + "deviceSize=[%d, %d]\n",
1.3303 + mViewport.displayId, mViewport.orientation,
1.3304 + mViewport.logicalLeft, mViewport.logicalTop,
1.3305 + mViewport.logicalRight, mViewport.logicalBottom,
1.3306 + mViewport.physicalLeft, mViewport.physicalTop,
1.3307 + mViewport.physicalRight, mViewport.physicalBottom,
1.3308 + mViewport.deviceWidth, mViewport.deviceHeight);
1.3309 +
1.3310 + dump.appendFormat(INDENT3 "SurfaceWidth: %dpx\n", mSurfaceWidth);
1.3311 + dump.appendFormat(INDENT3 "SurfaceHeight: %dpx\n", mSurfaceHeight);
1.3312 + dump.appendFormat(INDENT3 "SurfaceLeft: %d\n", mSurfaceLeft);
1.3313 + dump.appendFormat(INDENT3 "SurfaceTop: %d\n", mSurfaceTop);
1.3314 + dump.appendFormat(INDENT3 "SurfaceOrientation: %d\n", mSurfaceOrientation);
1.3315 +}
1.3316 +
1.3317 +void TouchInputMapper::configureVirtualKeys() {
1.3318 + Vector<VirtualKeyDefinition> virtualKeyDefinitions;
1.3319 + getEventHub()->getVirtualKeyDefinitions(getDeviceId(), virtualKeyDefinitions);
1.3320 +
1.3321 + mVirtualKeys.clear();
1.3322 +
1.3323 + if (virtualKeyDefinitions.size() == 0) {
1.3324 + return;
1.3325 + }
1.3326 +
1.3327 + mVirtualKeys.setCapacity(virtualKeyDefinitions.size());
1.3328 +
1.3329 + int32_t touchScreenLeft = mRawPointerAxes.x.minValue;
1.3330 + int32_t touchScreenTop = mRawPointerAxes.y.minValue;
1.3331 + int32_t touchScreenWidth = mRawPointerAxes.x.maxValue - mRawPointerAxes.x.minValue + 1;
1.3332 + int32_t touchScreenHeight = mRawPointerAxes.y.maxValue - mRawPointerAxes.y.minValue + 1;
1.3333 +
1.3334 + for (size_t i = 0; i < virtualKeyDefinitions.size(); i++) {
1.3335 + const VirtualKeyDefinition& virtualKeyDefinition =
1.3336 + virtualKeyDefinitions[i];
1.3337 +
1.3338 + mVirtualKeys.add();
1.3339 + VirtualKey& virtualKey = mVirtualKeys.editTop();
1.3340 +
1.3341 + virtualKey.scanCode = virtualKeyDefinition.scanCode;
1.3342 + int32_t keyCode;
1.3343 + uint32_t flags;
1.3344 + if (getEventHub()->mapKey(getDeviceId(), virtualKey.scanCode, 0, &keyCode, &flags)) {
1.3345 + ALOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring",
1.3346 + virtualKey.scanCode);
1.3347 + mVirtualKeys.pop(); // drop the key
1.3348 + continue;
1.3349 + }
1.3350 +
1.3351 + virtualKey.keyCode = keyCode;
1.3352 + virtualKey.flags = flags;
1.3353 +
1.3354 + // convert the key definition's display coordinates into touch coordinates for a hit box
1.3355 + int32_t halfWidth = virtualKeyDefinition.width / 2;
1.3356 + int32_t halfHeight = virtualKeyDefinition.height / 2;
1.3357 +
1.3358 + virtualKey.hitLeft = (virtualKeyDefinition.centerX - halfWidth)
1.3359 + * touchScreenWidth / mSurfaceWidth + touchScreenLeft;
1.3360 + virtualKey.hitRight= (virtualKeyDefinition.centerX + halfWidth)
1.3361 + * touchScreenWidth / mSurfaceWidth + touchScreenLeft;
1.3362 + virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight)
1.3363 + * touchScreenHeight / mSurfaceHeight + touchScreenTop;
1.3364 + virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight)
1.3365 + * touchScreenHeight / mSurfaceHeight + touchScreenTop;
1.3366 + }
1.3367 +}
1.3368 +
1.3369 +void TouchInputMapper::dumpVirtualKeys(String8& dump) {
1.3370 + if (!mVirtualKeys.isEmpty()) {
1.3371 + dump.append(INDENT3 "Virtual Keys:\n");
1.3372 +
1.3373 + for (size_t i = 0; i < mVirtualKeys.size(); i++) {
1.3374 + const VirtualKey& virtualKey = mVirtualKeys.itemAt(i);
1.3375 + dump.appendFormat(INDENT4 "%d: scanCode=%d, keyCode=%d, "
1.3376 + "hitLeft=%d, hitRight=%d, hitTop=%d, hitBottom=%d\n",
1.3377 + i, virtualKey.scanCode, virtualKey.keyCode,
1.3378 + virtualKey.hitLeft, virtualKey.hitRight,
1.3379 + virtualKey.hitTop, virtualKey.hitBottom);
1.3380 + }
1.3381 + }
1.3382 +}
1.3383 +
1.3384 +void TouchInputMapper::parseCalibration() {
1.3385 + const PropertyMap& in = getDevice()->getConfiguration();
1.3386 + Calibration& out = mCalibration;
1.3387 +
1.3388 + // Size
1.3389 + out.sizeCalibration = Calibration::SIZE_CALIBRATION_DEFAULT;
1.3390 + String8 sizeCalibrationString;
1.3391 + if (in.tryGetProperty(String8("touch.size.calibration"), sizeCalibrationString)) {
1.3392 + if (sizeCalibrationString == "none") {
1.3393 + out.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
1.3394 + } else if (sizeCalibrationString == "geometric") {
1.3395 + out.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC;
1.3396 + } else if (sizeCalibrationString == "diameter") {
1.3397 + out.sizeCalibration = Calibration::SIZE_CALIBRATION_DIAMETER;
1.3398 + } else if (sizeCalibrationString == "box") {
1.3399 + out.sizeCalibration = Calibration::SIZE_CALIBRATION_BOX;
1.3400 + } else if (sizeCalibrationString == "area") {
1.3401 + out.sizeCalibration = Calibration::SIZE_CALIBRATION_AREA;
1.3402 + } else if (sizeCalibrationString != "default") {
1.3403 + ALOGW("Invalid value for touch.size.calibration: '%s'",
1.3404 + sizeCalibrationString.string());
1.3405 + }
1.3406 + }
1.3407 +
1.3408 + out.haveSizeScale = in.tryGetProperty(String8("touch.size.scale"),
1.3409 + out.sizeScale);
1.3410 + out.haveSizeBias = in.tryGetProperty(String8("touch.size.bias"),
1.3411 + out.sizeBias);
1.3412 + out.haveSizeIsSummed = in.tryGetProperty(String8("touch.size.isSummed"),
1.3413 + out.sizeIsSummed);
1.3414 +
1.3415 + // Pressure
1.3416 + out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_DEFAULT;
1.3417 + String8 pressureCalibrationString;
1.3418 + if (in.tryGetProperty(String8("touch.pressure.calibration"), pressureCalibrationString)) {
1.3419 + if (pressureCalibrationString == "none") {
1.3420 + out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
1.3421 + } else if (pressureCalibrationString == "physical") {
1.3422 + out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL;
1.3423 + } else if (pressureCalibrationString == "amplitude") {
1.3424 + out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_AMPLITUDE;
1.3425 + } else if (pressureCalibrationString != "default") {
1.3426 + ALOGW("Invalid value for touch.pressure.calibration: '%s'",
1.3427 + pressureCalibrationString.string());
1.3428 + }
1.3429 + }
1.3430 +
1.3431 + out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"),
1.3432 + out.pressureScale);
1.3433 +
1.3434 + // Orientation
1.3435 + out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_DEFAULT;
1.3436 + String8 orientationCalibrationString;
1.3437 + if (in.tryGetProperty(String8("touch.orientation.calibration"), orientationCalibrationString)) {
1.3438 + if (orientationCalibrationString == "none") {
1.3439 + out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
1.3440 + } else if (orientationCalibrationString == "interpolated") {
1.3441 + out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
1.3442 + } else if (orientationCalibrationString == "vector") {
1.3443 + out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_VECTOR;
1.3444 + } else if (orientationCalibrationString != "default") {
1.3445 + ALOGW("Invalid value for touch.orientation.calibration: '%s'",
1.3446 + orientationCalibrationString.string());
1.3447 + }
1.3448 + }
1.3449 +
1.3450 + // Distance
1.3451 + out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_DEFAULT;
1.3452 + String8 distanceCalibrationString;
1.3453 + if (in.tryGetProperty(String8("touch.distance.calibration"), distanceCalibrationString)) {
1.3454 + if (distanceCalibrationString == "none") {
1.3455 + out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE;
1.3456 + } else if (distanceCalibrationString == "scaled") {
1.3457 + out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED;
1.3458 + } else if (distanceCalibrationString != "default") {
1.3459 + ALOGW("Invalid value for touch.distance.calibration: '%s'",
1.3460 + distanceCalibrationString.string());
1.3461 + }
1.3462 + }
1.3463 +
1.3464 + out.haveDistanceScale = in.tryGetProperty(String8("touch.distance.scale"),
1.3465 + out.distanceScale);
1.3466 +
1.3467 + out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_DEFAULT;
1.3468 + String8 coverageCalibrationString;
1.3469 + if (in.tryGetProperty(String8("touch.coverage.calibration"), coverageCalibrationString)) {
1.3470 + if (coverageCalibrationString == "none") {
1.3471 + out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE;
1.3472 + } else if (coverageCalibrationString == "box") {
1.3473 + out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_BOX;
1.3474 + } else if (coverageCalibrationString != "default") {
1.3475 + ALOGW("Invalid value for touch.coverage.calibration: '%s'",
1.3476 + coverageCalibrationString.string());
1.3477 + }
1.3478 + }
1.3479 +}
1.3480 +
1.3481 +void TouchInputMapper::resolveCalibration() {
1.3482 + // Size
1.3483 + if (mRawPointerAxes.touchMajor.valid || mRawPointerAxes.toolMajor.valid) {
1.3484 + if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DEFAULT) {
1.3485 + mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC;
1.3486 + }
1.3487 + } else {
1.3488 + mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE;
1.3489 + }
1.3490 +
1.3491 + // Pressure
1.3492 + if (mRawPointerAxes.pressure.valid) {
1.3493 + if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_DEFAULT) {
1.3494 + mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL;
1.3495 + }
1.3496 + } else {
1.3497 + mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE;
1.3498 + }
1.3499 +
1.3500 + // Orientation
1.3501 + if (mRawPointerAxes.orientation.valid) {
1.3502 + if (mCalibration.orientationCalibration == Calibration::ORIENTATION_CALIBRATION_DEFAULT) {
1.3503 + mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED;
1.3504 + }
1.3505 + } else {
1.3506 + mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE;
1.3507 + }
1.3508 +
1.3509 + // Distance
1.3510 + if (mRawPointerAxes.distance.valid) {
1.3511 + if (mCalibration.distanceCalibration == Calibration::DISTANCE_CALIBRATION_DEFAULT) {
1.3512 + mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED;
1.3513 + }
1.3514 + } else {
1.3515 + mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE;
1.3516 + }
1.3517 +
1.3518 + // Coverage
1.3519 + if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_DEFAULT) {
1.3520 + mCalibration.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE;
1.3521 + }
1.3522 +}
1.3523 +
1.3524 +void TouchInputMapper::dumpCalibration(String8& dump) {
1.3525 + dump.append(INDENT3 "Calibration:\n");
1.3526 +
1.3527 + // Size
1.3528 + switch (mCalibration.sizeCalibration) {
1.3529 + case Calibration::SIZE_CALIBRATION_NONE:
1.3530 + dump.append(INDENT4 "touch.size.calibration: none\n");
1.3531 + break;
1.3532 + case Calibration::SIZE_CALIBRATION_GEOMETRIC:
1.3533 + dump.append(INDENT4 "touch.size.calibration: geometric\n");
1.3534 + break;
1.3535 + case Calibration::SIZE_CALIBRATION_DIAMETER:
1.3536 + dump.append(INDENT4 "touch.size.calibration: diameter\n");
1.3537 + break;
1.3538 + case Calibration::SIZE_CALIBRATION_BOX:
1.3539 + dump.append(INDENT4 "touch.size.calibration: box\n");
1.3540 + break;
1.3541 + case Calibration::SIZE_CALIBRATION_AREA:
1.3542 + dump.append(INDENT4 "touch.size.calibration: area\n");
1.3543 + break;
1.3544 + default:
1.3545 + ALOG_ASSERT(false);
1.3546 + }
1.3547 +
1.3548 + if (mCalibration.haveSizeScale) {
1.3549 + dump.appendFormat(INDENT4 "touch.size.scale: %0.3f\n",
1.3550 + mCalibration.sizeScale);
1.3551 + }
1.3552 +
1.3553 + if (mCalibration.haveSizeBias) {
1.3554 + dump.appendFormat(INDENT4 "touch.size.bias: %0.3f\n",
1.3555 + mCalibration.sizeBias);
1.3556 + }
1.3557 +
1.3558 + if (mCalibration.haveSizeIsSummed) {
1.3559 + dump.appendFormat(INDENT4 "touch.size.isSummed: %s\n",
1.3560 + toString(mCalibration.sizeIsSummed));
1.3561 + }
1.3562 +
1.3563 + // Pressure
1.3564 + switch (mCalibration.pressureCalibration) {
1.3565 + case Calibration::PRESSURE_CALIBRATION_NONE:
1.3566 + dump.append(INDENT4 "touch.pressure.calibration: none\n");
1.3567 + break;
1.3568 + case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
1.3569 + dump.append(INDENT4 "touch.pressure.calibration: physical\n");
1.3570 + break;
1.3571 + case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
1.3572 + dump.append(INDENT4 "touch.pressure.calibration: amplitude\n");
1.3573 + break;
1.3574 + default:
1.3575 + ALOG_ASSERT(false);
1.3576 + }
1.3577 +
1.3578 + if (mCalibration.havePressureScale) {
1.3579 + dump.appendFormat(INDENT4 "touch.pressure.scale: %0.3f\n",
1.3580 + mCalibration.pressureScale);
1.3581 + }
1.3582 +
1.3583 + // Orientation
1.3584 + switch (mCalibration.orientationCalibration) {
1.3585 + case Calibration::ORIENTATION_CALIBRATION_NONE:
1.3586 + dump.append(INDENT4 "touch.orientation.calibration: none\n");
1.3587 + break;
1.3588 + case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
1.3589 + dump.append(INDENT4 "touch.orientation.calibration: interpolated\n");
1.3590 + break;
1.3591 + case Calibration::ORIENTATION_CALIBRATION_VECTOR:
1.3592 + dump.append(INDENT4 "touch.orientation.calibration: vector\n");
1.3593 + break;
1.3594 + default:
1.3595 + ALOG_ASSERT(false);
1.3596 + }
1.3597 +
1.3598 + // Distance
1.3599 + switch (mCalibration.distanceCalibration) {
1.3600 + case Calibration::DISTANCE_CALIBRATION_NONE:
1.3601 + dump.append(INDENT4 "touch.distance.calibration: none\n");
1.3602 + break;
1.3603 + case Calibration::DISTANCE_CALIBRATION_SCALED:
1.3604 + dump.append(INDENT4 "touch.distance.calibration: scaled\n");
1.3605 + break;
1.3606 + default:
1.3607 + ALOG_ASSERT(false);
1.3608 + }
1.3609 +
1.3610 + if (mCalibration.haveDistanceScale) {
1.3611 + dump.appendFormat(INDENT4 "touch.distance.scale: %0.3f\n",
1.3612 + mCalibration.distanceScale);
1.3613 + }
1.3614 +
1.3615 + switch (mCalibration.coverageCalibration) {
1.3616 + case Calibration::COVERAGE_CALIBRATION_NONE:
1.3617 + dump.append(INDENT4 "touch.coverage.calibration: none\n");
1.3618 + break;
1.3619 + case Calibration::COVERAGE_CALIBRATION_BOX:
1.3620 + dump.append(INDENT4 "touch.coverage.calibration: box\n");
1.3621 + break;
1.3622 + default:
1.3623 + ALOG_ASSERT(false);
1.3624 + }
1.3625 +}
1.3626 +
1.3627 +void TouchInputMapper::reset(nsecs_t when) {
1.3628 + mCursorButtonAccumulator.reset(getDevice());
1.3629 + mCursorScrollAccumulator.reset(getDevice());
1.3630 + mTouchButtonAccumulator.reset(getDevice());
1.3631 +
1.3632 + mPointerVelocityControl.reset();
1.3633 + mWheelXVelocityControl.reset();
1.3634 + mWheelYVelocityControl.reset();
1.3635 +
1.3636 + mCurrentRawPointerData.clear();
1.3637 + mLastRawPointerData.clear();
1.3638 + mCurrentCookedPointerData.clear();
1.3639 + mLastCookedPointerData.clear();
1.3640 + mCurrentButtonState = 0;
1.3641 + mLastButtonState = 0;
1.3642 + mCurrentRawVScroll = 0;
1.3643 + mCurrentRawHScroll = 0;
1.3644 + mCurrentFingerIdBits.clear();
1.3645 + mLastFingerIdBits.clear();
1.3646 + mCurrentStylusIdBits.clear();
1.3647 + mLastStylusIdBits.clear();
1.3648 + mCurrentMouseIdBits.clear();
1.3649 + mLastMouseIdBits.clear();
1.3650 + mPointerUsage = POINTER_USAGE_NONE;
1.3651 + mSentHoverEnter = false;
1.3652 + mDownTime = 0;
1.3653 +
1.3654 + mCurrentVirtualKey.down = false;
1.3655 +
1.3656 + mPointerGesture.reset();
1.3657 + mPointerSimple.reset();
1.3658 +
1.3659 + if (mPointerController != NULL) {
1.3660 + mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
1.3661 + mPointerController->clearSpots();
1.3662 + }
1.3663 +
1.3664 + InputMapper::reset(when);
1.3665 +}
1.3666 +
1.3667 +void TouchInputMapper::process(const RawEvent* rawEvent) {
1.3668 + mCursorButtonAccumulator.process(rawEvent);
1.3669 + mCursorScrollAccumulator.process(rawEvent);
1.3670 + mTouchButtonAccumulator.process(rawEvent);
1.3671 +
1.3672 + if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) {
1.3673 + sync(rawEvent->when);
1.3674 + }
1.3675 +}
1.3676 +
1.3677 +void TouchInputMapper::sync(nsecs_t when) {
1.3678 + // Sync button state.
1.3679 + mCurrentButtonState = mTouchButtonAccumulator.getButtonState()
1.3680 + | mCursorButtonAccumulator.getButtonState();
1.3681 +
1.3682 + // Sync scroll state.
1.3683 + mCurrentRawVScroll = mCursorScrollAccumulator.getRelativeVWheel();
1.3684 + mCurrentRawHScroll = mCursorScrollAccumulator.getRelativeHWheel();
1.3685 + mCursorScrollAccumulator.finishSync();
1.3686 +
1.3687 + // Sync touch state.
1.3688 + bool havePointerIds = true;
1.3689 + mCurrentRawPointerData.clear();
1.3690 + syncTouch(when, &havePointerIds);
1.3691 +
1.3692 +#if DEBUG_RAW_EVENTS
1.3693 + if (!havePointerIds) {
1.3694 + ALOGD("syncTouch: pointerCount %d -> %d, no pointer ids",
1.3695 + mLastRawPointerData.pointerCount,
1.3696 + mCurrentRawPointerData.pointerCount);
1.3697 + } else {
1.3698 + ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
1.3699 + "hovering ids 0x%08x -> 0x%08x",
1.3700 + mLastRawPointerData.pointerCount,
1.3701 + mCurrentRawPointerData.pointerCount,
1.3702 + mLastRawPointerData.touchingIdBits.value,
1.3703 + mCurrentRawPointerData.touchingIdBits.value,
1.3704 + mLastRawPointerData.hoveringIdBits.value,
1.3705 + mCurrentRawPointerData.hoveringIdBits.value);
1.3706 + }
1.3707 +#endif
1.3708 +
1.3709 + // Reset state that we will compute below.
1.3710 + mCurrentFingerIdBits.clear();
1.3711 + mCurrentStylusIdBits.clear();
1.3712 + mCurrentMouseIdBits.clear();
1.3713 + mCurrentCookedPointerData.clear();
1.3714 +
1.3715 + if (mDeviceMode == DEVICE_MODE_DISABLED) {
1.3716 + // Drop all input if the device is disabled.
1.3717 + mCurrentRawPointerData.clear();
1.3718 + mCurrentButtonState = 0;
1.3719 + } else {
1.3720 + // Preprocess pointer data.
1.3721 + if (!havePointerIds) {
1.3722 + assignPointerIds();
1.3723 + }
1.3724 +
1.3725 + // Handle policy on initial down or hover events.
1.3726 + uint32_t policyFlags = 0;
1.3727 + bool initialDown = mLastRawPointerData.pointerCount == 0
1.3728 + && mCurrentRawPointerData.pointerCount != 0;
1.3729 + bool buttonsPressed = mCurrentButtonState & ~mLastButtonState;
1.3730 + if (initialDown || buttonsPressed) {
1.3731 + // If this is a touch screen, hide the pointer on an initial down.
1.3732 + if (mDeviceMode == DEVICE_MODE_DIRECT) {
1.3733 + getContext()->fadePointer();
1.3734 + }
1.3735 +
1.3736 + // Initial downs on external touch devices should wake the device.
1.3737 + // We don't do this for internal touch screens to prevent them from waking
1.3738 + // up in your pocket.
1.3739 + // TODO: Use the input device configuration to control this behavior more finely.
1.3740 + if (getDevice()->isExternal()) {
1.3741 + policyFlags |= POLICY_FLAG_WAKE_DROPPED;
1.3742 + }
1.3743 + }
1.3744 +
1.3745 + // Synthesize key down from raw buttons if needed.
1.3746 + synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, getDeviceId(), mSource,
1.3747 + policyFlags, mLastButtonState, mCurrentButtonState);
1.3748 +
1.3749 + // Consume raw off-screen touches before cooking pointer data.
1.3750 + // If touches are consumed, subsequent code will not receive any pointer data.
1.3751 + if (consumeRawTouches(when, policyFlags)) {
1.3752 + mCurrentRawPointerData.clear();
1.3753 + }
1.3754 +
1.3755 + // Cook pointer data. This call populates the mCurrentCookedPointerData structure
1.3756 + // with cooked pointer data that has the same ids and indices as the raw data.
1.3757 + // The following code can use either the raw or cooked data, as needed.
1.3758 + cookPointerData();
1.3759 +
1.3760 + // Dispatch the touches either directly or by translation through a pointer on screen.
1.3761 + if (mDeviceMode == DEVICE_MODE_POINTER) {
1.3762 + for (BitSet32 idBits(mCurrentRawPointerData.touchingIdBits); !idBits.isEmpty(); ) {
1.3763 + uint32_t id = idBits.clearFirstMarkedBit();
1.3764 + const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
1.3765 + if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS
1.3766 + || pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
1.3767 + mCurrentStylusIdBits.markBit(id);
1.3768 + } else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_FINGER
1.3769 + || pointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
1.3770 + mCurrentFingerIdBits.markBit(id);
1.3771 + } else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_MOUSE) {
1.3772 + mCurrentMouseIdBits.markBit(id);
1.3773 + }
1.3774 + }
1.3775 + for (BitSet32 idBits(mCurrentRawPointerData.hoveringIdBits); !idBits.isEmpty(); ) {
1.3776 + uint32_t id = idBits.clearFirstMarkedBit();
1.3777 + const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
1.3778 + if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS
1.3779 + || pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
1.3780 + mCurrentStylusIdBits.markBit(id);
1.3781 + }
1.3782 + }
1.3783 +
1.3784 + // Stylus takes precedence over all tools, then mouse, then finger.
1.3785 + PointerUsage pointerUsage = mPointerUsage;
1.3786 + if (!mCurrentStylusIdBits.isEmpty()) {
1.3787 + mCurrentMouseIdBits.clear();
1.3788 + mCurrentFingerIdBits.clear();
1.3789 + pointerUsage = POINTER_USAGE_STYLUS;
1.3790 + } else if (!mCurrentMouseIdBits.isEmpty()) {
1.3791 + mCurrentFingerIdBits.clear();
1.3792 + pointerUsage = POINTER_USAGE_MOUSE;
1.3793 + } else if (!mCurrentFingerIdBits.isEmpty() || isPointerDown(mCurrentButtonState)) {
1.3794 + pointerUsage = POINTER_USAGE_GESTURES;
1.3795 + }
1.3796 +
1.3797 + dispatchPointerUsage(when, policyFlags, pointerUsage);
1.3798 + } else {
1.3799 + if (mDeviceMode == DEVICE_MODE_DIRECT
1.3800 + && mConfig.showTouches && mPointerController != NULL) {
1.3801 + mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
1.3802 + mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
1.3803 +
1.3804 + mPointerController->setButtonState(mCurrentButtonState);
1.3805 + mPointerController->setSpots(mCurrentCookedPointerData.pointerCoords,
1.3806 + mCurrentCookedPointerData.idToIndex,
1.3807 + mCurrentCookedPointerData.touchingIdBits);
1.3808 + }
1.3809 +
1.3810 + dispatchHoverExit(when, policyFlags);
1.3811 + dispatchTouches(when, policyFlags);
1.3812 + dispatchHoverEnterAndMove(when, policyFlags);
1.3813 + }
1.3814 +
1.3815 + // Synthesize key up from raw buttons if needed.
1.3816 + synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, getDeviceId(), mSource,
1.3817 + policyFlags, mLastButtonState, mCurrentButtonState);
1.3818 + }
1.3819 +
1.3820 + // Copy current touch to last touch in preparation for the next cycle.
1.3821 + mLastRawPointerData.copyFrom(mCurrentRawPointerData);
1.3822 + mLastCookedPointerData.copyFrom(mCurrentCookedPointerData);
1.3823 + mLastButtonState = mCurrentButtonState;
1.3824 + mLastFingerIdBits = mCurrentFingerIdBits;
1.3825 + mLastStylusIdBits = mCurrentStylusIdBits;
1.3826 + mLastMouseIdBits = mCurrentMouseIdBits;
1.3827 +
1.3828 + // Clear some transient state.
1.3829 + mCurrentRawVScroll = 0;
1.3830 + mCurrentRawHScroll = 0;
1.3831 +}
1.3832 +
1.3833 +void TouchInputMapper::timeoutExpired(nsecs_t when) {
1.3834 + if (mDeviceMode == DEVICE_MODE_POINTER) {
1.3835 + if (mPointerUsage == POINTER_USAGE_GESTURES) {
1.3836 + dispatchPointerGestures(when, 0 /*policyFlags*/, true /*isTimeout*/);
1.3837 + }
1.3838 + }
1.3839 +}
1.3840 +
1.3841 +bool TouchInputMapper::consumeRawTouches(nsecs_t when, uint32_t policyFlags) {
1.3842 + // Check for release of a virtual key.
1.3843 + if (mCurrentVirtualKey.down) {
1.3844 + if (mCurrentRawPointerData.touchingIdBits.isEmpty()) {
1.3845 + // Pointer went up while virtual key was down.
1.3846 + mCurrentVirtualKey.down = false;
1.3847 + if (!mCurrentVirtualKey.ignored) {
1.3848 +#if DEBUG_VIRTUAL_KEYS
1.3849 + ALOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
1.3850 + mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
1.3851 +#endif
1.3852 + dispatchVirtualKey(when, policyFlags,
1.3853 + AKEY_EVENT_ACTION_UP,
1.3854 + AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
1.3855 + }
1.3856 + return true;
1.3857 + }
1.3858 +
1.3859 + if (mCurrentRawPointerData.touchingIdBits.count() == 1) {
1.3860 + uint32_t id = mCurrentRawPointerData.touchingIdBits.firstMarkedBit();
1.3861 + const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
1.3862 + const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
1.3863 + if (virtualKey && virtualKey->keyCode == mCurrentVirtualKey.keyCode) {
1.3864 + // Pointer is still within the space of the virtual key.
1.3865 + return true;
1.3866 + }
1.3867 + }
1.3868 +
1.3869 + // Pointer left virtual key area or another pointer also went down.
1.3870 + // Send key cancellation but do not consume the touch yet.
1.3871 + // This is useful when the user swipes through from the virtual key area
1.3872 + // into the main display surface.
1.3873 + mCurrentVirtualKey.down = false;
1.3874 + if (!mCurrentVirtualKey.ignored) {
1.3875 +#if DEBUG_VIRTUAL_KEYS
1.3876 + ALOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
1.3877 + mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
1.3878 +#endif
1.3879 + dispatchVirtualKey(when, policyFlags,
1.3880 + AKEY_EVENT_ACTION_UP,
1.3881 + AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
1.3882 + | AKEY_EVENT_FLAG_CANCELED);
1.3883 + }
1.3884 + }
1.3885 +
1.3886 + if (mLastRawPointerData.touchingIdBits.isEmpty()
1.3887 + && !mCurrentRawPointerData.touchingIdBits.isEmpty()) {
1.3888 + // Pointer just went down. Check for virtual key press or off-screen touches.
1.3889 + uint32_t id = mCurrentRawPointerData.touchingIdBits.firstMarkedBit();
1.3890 + const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
1.3891 + if (!isPointInsideSurface(pointer.x, pointer.y)) {
1.3892 + // If exactly one pointer went down, check for virtual key hit.
1.3893 + // Otherwise we will drop the entire stroke.
1.3894 + if (mCurrentRawPointerData.touchingIdBits.count() == 1) {
1.3895 + const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y);
1.3896 + if (virtualKey) {
1.3897 + mCurrentVirtualKey.down = true;
1.3898 + mCurrentVirtualKey.downTime = when;
1.3899 + mCurrentVirtualKey.keyCode = virtualKey->keyCode;
1.3900 + mCurrentVirtualKey.scanCode = virtualKey->scanCode;
1.3901 + mCurrentVirtualKey.ignored = mContext->shouldDropVirtualKey(
1.3902 + when, getDevice(), virtualKey->keyCode, virtualKey->scanCode);
1.3903 +
1.3904 + if (!mCurrentVirtualKey.ignored) {
1.3905 +#if DEBUG_VIRTUAL_KEYS
1.3906 + ALOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
1.3907 + mCurrentVirtualKey.keyCode,
1.3908 + mCurrentVirtualKey.scanCode);
1.3909 +#endif
1.3910 + dispatchVirtualKey(when, policyFlags,
1.3911 + AKEY_EVENT_ACTION_DOWN,
1.3912 + AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY);
1.3913 + }
1.3914 + }
1.3915 + }
1.3916 + return true;
1.3917 + }
1.3918 + }
1.3919 +
1.3920 + // Disable all virtual key touches that happen within a short time interval of the
1.3921 + // most recent touch within the screen area. The idea is to filter out stray
1.3922 + // virtual key presses when interacting with the touch screen.
1.3923 + //
1.3924 + // Problems we're trying to solve:
1.3925 + //
1.3926 + // 1. While scrolling a list or dragging the window shade, the user swipes down into a
1.3927 + // virtual key area that is implemented by a separate touch panel and accidentally
1.3928 + // triggers a virtual key.
1.3929 + //
1.3930 + // 2. While typing in the on screen keyboard, the user taps slightly outside the screen
1.3931 + // area and accidentally triggers a virtual key. This often happens when virtual keys
1.3932 + // are layed out below the screen near to where the on screen keyboard's space bar
1.3933 + // is displayed.
1.3934 + if (mConfig.virtualKeyQuietTime > 0 && !mCurrentRawPointerData.touchingIdBits.isEmpty()) {
1.3935 + mContext->disableVirtualKeysUntil(when + mConfig.virtualKeyQuietTime);
1.3936 + }
1.3937 + return false;
1.3938 +}
1.3939 +
1.3940 +void TouchInputMapper::dispatchVirtualKey(nsecs_t when, uint32_t policyFlags,
1.3941 + int32_t keyEventAction, int32_t keyEventFlags) {
1.3942 + int32_t keyCode = mCurrentVirtualKey.keyCode;
1.3943 + int32_t scanCode = mCurrentVirtualKey.scanCode;
1.3944 + nsecs_t downTime = mCurrentVirtualKey.downTime;
1.3945 + int32_t metaState = mContext->getGlobalMetaState();
1.3946 + policyFlags |= POLICY_FLAG_VIRTUAL;
1.3947 +
1.3948 + NotifyKeyArgs args(when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, policyFlags,
1.3949 + keyEventAction, keyEventFlags, keyCode, scanCode, metaState, downTime);
1.3950 + getListener()->notifyKey(&args);
1.3951 +}
1.3952 +
1.3953 +void TouchInputMapper::dispatchTouches(nsecs_t when, uint32_t policyFlags) {
1.3954 + BitSet32 currentIdBits = mCurrentCookedPointerData.touchingIdBits;
1.3955 + BitSet32 lastIdBits = mLastCookedPointerData.touchingIdBits;
1.3956 + int32_t metaState = getContext()->getGlobalMetaState();
1.3957 + int32_t buttonState = mCurrentButtonState;
1.3958 +
1.3959 + if (currentIdBits == lastIdBits) {
1.3960 + if (!currentIdBits.isEmpty()) {
1.3961 + // No pointer id changes so this is a move event.
1.3962 + // The listener takes care of batching moves so we don't have to deal with that here.
1.3963 + dispatchMotion(when, policyFlags, mSource,
1.3964 + AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState,
1.3965 + AMOTION_EVENT_EDGE_FLAG_NONE,
1.3966 + mCurrentCookedPointerData.pointerProperties,
1.3967 + mCurrentCookedPointerData.pointerCoords,
1.3968 + mCurrentCookedPointerData.idToIndex,
1.3969 + currentIdBits, -1,
1.3970 + mOrientedXPrecision, mOrientedYPrecision, mDownTime);
1.3971 + }
1.3972 + } else {
1.3973 + // There may be pointers going up and pointers going down and pointers moving
1.3974 + // all at the same time.
1.3975 + BitSet32 upIdBits(lastIdBits.value & ~currentIdBits.value);
1.3976 + BitSet32 downIdBits(currentIdBits.value & ~lastIdBits.value);
1.3977 + BitSet32 moveIdBits(lastIdBits.value & currentIdBits.value);
1.3978 + BitSet32 dispatchedIdBits(lastIdBits.value);
1.3979 +
1.3980 + // Update last coordinates of pointers that have moved so that we observe the new
1.3981 + // pointer positions at the same time as other pointers that have just gone up.
1.3982 + bool moveNeeded = updateMovedPointers(
1.3983 + mCurrentCookedPointerData.pointerProperties,
1.3984 + mCurrentCookedPointerData.pointerCoords,
1.3985 + mCurrentCookedPointerData.idToIndex,
1.3986 + mLastCookedPointerData.pointerProperties,
1.3987 + mLastCookedPointerData.pointerCoords,
1.3988 + mLastCookedPointerData.idToIndex,
1.3989 + moveIdBits);
1.3990 + if (buttonState != mLastButtonState) {
1.3991 + moveNeeded = true;
1.3992 + }
1.3993 +
1.3994 + // Dispatch pointer up events.
1.3995 + while (!upIdBits.isEmpty()) {
1.3996 + uint32_t upId = upIdBits.clearFirstMarkedBit();
1.3997 +
1.3998 + dispatchMotion(when, policyFlags, mSource,
1.3999 + AMOTION_EVENT_ACTION_POINTER_UP, 0, metaState, buttonState, 0,
1.4000 + mLastCookedPointerData.pointerProperties,
1.4001 + mLastCookedPointerData.pointerCoords,
1.4002 + mLastCookedPointerData.idToIndex,
1.4003 + dispatchedIdBits, upId,
1.4004 + mOrientedXPrecision, mOrientedYPrecision, mDownTime);
1.4005 + dispatchedIdBits.clearBit(upId);
1.4006 + }
1.4007 +
1.4008 + // Dispatch move events if any of the remaining pointers moved from their old locations.
1.4009 + // Although applications receive new locations as part of individual pointer up
1.4010 + // events, they do not generally handle them except when presented in a move event.
1.4011 + if (moveNeeded) {
1.4012 + ALOG_ASSERT(moveIdBits.value == dispatchedIdBits.value);
1.4013 + dispatchMotion(when, policyFlags, mSource,
1.4014 + AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, 0,
1.4015 + mCurrentCookedPointerData.pointerProperties,
1.4016 + mCurrentCookedPointerData.pointerCoords,
1.4017 + mCurrentCookedPointerData.idToIndex,
1.4018 + dispatchedIdBits, -1,
1.4019 + mOrientedXPrecision, mOrientedYPrecision, mDownTime);
1.4020 + }
1.4021 +
1.4022 + // Dispatch pointer down events using the new pointer locations.
1.4023 + while (!downIdBits.isEmpty()) {
1.4024 + uint32_t downId = downIdBits.clearFirstMarkedBit();
1.4025 + dispatchedIdBits.markBit(downId);
1.4026 +
1.4027 + if (dispatchedIdBits.count() == 1) {
1.4028 + // First pointer is going down. Set down time.
1.4029 + mDownTime = when;
1.4030 + }
1.4031 +
1.4032 + dispatchMotion(when, policyFlags, mSource,
1.4033 + AMOTION_EVENT_ACTION_POINTER_DOWN, 0, metaState, buttonState, 0,
1.4034 + mCurrentCookedPointerData.pointerProperties,
1.4035 + mCurrentCookedPointerData.pointerCoords,
1.4036 + mCurrentCookedPointerData.idToIndex,
1.4037 + dispatchedIdBits, downId,
1.4038 + mOrientedXPrecision, mOrientedYPrecision, mDownTime);
1.4039 + }
1.4040 + }
1.4041 +}
1.4042 +
1.4043 +void TouchInputMapper::dispatchHoverExit(nsecs_t when, uint32_t policyFlags) {
1.4044 + if (mSentHoverEnter &&
1.4045 + (mCurrentCookedPointerData.hoveringIdBits.isEmpty()
1.4046 + || !mCurrentCookedPointerData.touchingIdBits.isEmpty())) {
1.4047 + int32_t metaState = getContext()->getGlobalMetaState();
1.4048 + dispatchMotion(when, policyFlags, mSource,
1.4049 + AMOTION_EVENT_ACTION_HOVER_EXIT, 0, metaState, mLastButtonState, 0,
1.4050 + mLastCookedPointerData.pointerProperties,
1.4051 + mLastCookedPointerData.pointerCoords,
1.4052 + mLastCookedPointerData.idToIndex,
1.4053 + mLastCookedPointerData.hoveringIdBits, -1,
1.4054 + mOrientedXPrecision, mOrientedYPrecision, mDownTime);
1.4055 + mSentHoverEnter = false;
1.4056 + }
1.4057 +}
1.4058 +
1.4059 +void TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, uint32_t policyFlags) {
1.4060 + if (mCurrentCookedPointerData.touchingIdBits.isEmpty()
1.4061 + && !mCurrentCookedPointerData.hoveringIdBits.isEmpty()) {
1.4062 + int32_t metaState = getContext()->getGlobalMetaState();
1.4063 + if (!mSentHoverEnter) {
1.4064 + dispatchMotion(when, policyFlags, mSource,
1.4065 + AMOTION_EVENT_ACTION_HOVER_ENTER, 0, metaState, mCurrentButtonState, 0,
1.4066 + mCurrentCookedPointerData.pointerProperties,
1.4067 + mCurrentCookedPointerData.pointerCoords,
1.4068 + mCurrentCookedPointerData.idToIndex,
1.4069 + mCurrentCookedPointerData.hoveringIdBits, -1,
1.4070 + mOrientedXPrecision, mOrientedYPrecision, mDownTime);
1.4071 + mSentHoverEnter = true;
1.4072 + }
1.4073 +
1.4074 + dispatchMotion(when, policyFlags, mSource,
1.4075 + AMOTION_EVENT_ACTION_HOVER_MOVE, 0, metaState, mCurrentButtonState, 0,
1.4076 + mCurrentCookedPointerData.pointerProperties,
1.4077 + mCurrentCookedPointerData.pointerCoords,
1.4078 + mCurrentCookedPointerData.idToIndex,
1.4079 + mCurrentCookedPointerData.hoveringIdBits, -1,
1.4080 + mOrientedXPrecision, mOrientedYPrecision, mDownTime);
1.4081 + }
1.4082 +}
1.4083 +
1.4084 +void TouchInputMapper::cookPointerData() {
1.4085 + uint32_t currentPointerCount = mCurrentRawPointerData.pointerCount;
1.4086 +
1.4087 + mCurrentCookedPointerData.clear();
1.4088 + mCurrentCookedPointerData.pointerCount = currentPointerCount;
1.4089 + mCurrentCookedPointerData.hoveringIdBits = mCurrentRawPointerData.hoveringIdBits;
1.4090 + mCurrentCookedPointerData.touchingIdBits = mCurrentRawPointerData.touchingIdBits;
1.4091 +
1.4092 + // Walk through the the active pointers and map device coordinates onto
1.4093 + // surface coordinates and adjust for display orientation.
1.4094 + for (uint32_t i = 0; i < currentPointerCount; i++) {
1.4095 + const RawPointerData::Pointer& in = mCurrentRawPointerData.pointers[i];
1.4096 +
1.4097 + // Size
1.4098 + float touchMajor, touchMinor, toolMajor, toolMinor, size;
1.4099 + switch (mCalibration.sizeCalibration) {
1.4100 + case Calibration::SIZE_CALIBRATION_GEOMETRIC:
1.4101 + case Calibration::SIZE_CALIBRATION_DIAMETER:
1.4102 + case Calibration::SIZE_CALIBRATION_BOX:
1.4103 + case Calibration::SIZE_CALIBRATION_AREA:
1.4104 + if (mRawPointerAxes.touchMajor.valid && mRawPointerAxes.toolMajor.valid) {
1.4105 + touchMajor = in.touchMajor;
1.4106 + touchMinor = mRawPointerAxes.touchMinor.valid ? in.touchMinor : in.touchMajor;
1.4107 + toolMajor = in.toolMajor;
1.4108 + toolMinor = mRawPointerAxes.toolMinor.valid ? in.toolMinor : in.toolMajor;
1.4109 + size = mRawPointerAxes.touchMinor.valid
1.4110 + ? avg(in.touchMajor, in.touchMinor) : in.touchMajor;
1.4111 + } else if (mRawPointerAxes.touchMajor.valid) {
1.4112 + toolMajor = touchMajor = in.touchMajor;
1.4113 + toolMinor = touchMinor = mRawPointerAxes.touchMinor.valid
1.4114 + ? in.touchMinor : in.touchMajor;
1.4115 + size = mRawPointerAxes.touchMinor.valid
1.4116 + ? avg(in.touchMajor, in.touchMinor) : in.touchMajor;
1.4117 + } else if (mRawPointerAxes.toolMajor.valid) {
1.4118 + touchMajor = toolMajor = in.toolMajor;
1.4119 + touchMinor = toolMinor = mRawPointerAxes.toolMinor.valid
1.4120 + ? in.toolMinor : in.toolMajor;
1.4121 + size = mRawPointerAxes.toolMinor.valid
1.4122 + ? avg(in.toolMajor, in.toolMinor) : in.toolMajor;
1.4123 + } else {
1.4124 + ALOG_ASSERT(false, "No touch or tool axes. "
1.4125 + "Size calibration should have been resolved to NONE.");
1.4126 + touchMajor = 0;
1.4127 + touchMinor = 0;
1.4128 + toolMajor = 0;
1.4129 + toolMinor = 0;
1.4130 + size = 0;
1.4131 + }
1.4132 +
1.4133 + if (mCalibration.haveSizeIsSummed && mCalibration.sizeIsSummed) {
1.4134 + uint32_t touchingCount = mCurrentRawPointerData.touchingIdBits.count();
1.4135 + if (touchingCount > 1) {
1.4136 + touchMajor /= touchingCount;
1.4137 + touchMinor /= touchingCount;
1.4138 + toolMajor /= touchingCount;
1.4139 + toolMinor /= touchingCount;
1.4140 + size /= touchingCount;
1.4141 + }
1.4142 + }
1.4143 +
1.4144 + if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_GEOMETRIC) {
1.4145 + touchMajor *= mGeometricScale;
1.4146 + touchMinor *= mGeometricScale;
1.4147 + toolMajor *= mGeometricScale;
1.4148 + toolMinor *= mGeometricScale;
1.4149 + } else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_AREA) {
1.4150 + touchMajor = touchMajor > 0 ? sqrtf(touchMajor) : 0;
1.4151 + touchMinor = touchMajor;
1.4152 + toolMajor = toolMajor > 0 ? sqrtf(toolMajor) : 0;
1.4153 + toolMinor = toolMajor;
1.4154 + } else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DIAMETER) {
1.4155 + touchMinor = touchMajor;
1.4156 + toolMinor = toolMajor;
1.4157 + }
1.4158 +
1.4159 + mCalibration.applySizeScaleAndBias(&touchMajor);
1.4160 + mCalibration.applySizeScaleAndBias(&touchMinor);
1.4161 + mCalibration.applySizeScaleAndBias(&toolMajor);
1.4162 + mCalibration.applySizeScaleAndBias(&toolMinor);
1.4163 + size *= mSizeScale;
1.4164 + break;
1.4165 + default:
1.4166 + touchMajor = 0;
1.4167 + touchMinor = 0;
1.4168 + toolMajor = 0;
1.4169 + toolMinor = 0;
1.4170 + size = 0;
1.4171 + break;
1.4172 + }
1.4173 +
1.4174 + // Pressure
1.4175 + float pressure;
1.4176 + switch (mCalibration.pressureCalibration) {
1.4177 + case Calibration::PRESSURE_CALIBRATION_PHYSICAL:
1.4178 + case Calibration::PRESSURE_CALIBRATION_AMPLITUDE:
1.4179 + pressure = in.pressure * mPressureScale;
1.4180 + break;
1.4181 + default:
1.4182 + pressure = in.isHovering ? 0 : 1;
1.4183 + break;
1.4184 + }
1.4185 +
1.4186 + // Tilt and Orientation
1.4187 + float tilt;
1.4188 + float orientation;
1.4189 + if (mHaveTilt) {
1.4190 + float tiltXAngle = (in.tiltX - mTiltXCenter) * mTiltXScale;
1.4191 + float tiltYAngle = (in.tiltY - mTiltYCenter) * mTiltYScale;
1.4192 + orientation = atan2f(-sinf(tiltXAngle), sinf(tiltYAngle));
1.4193 + tilt = acosf(cosf(tiltXAngle) * cosf(tiltYAngle));
1.4194 + } else {
1.4195 + tilt = 0;
1.4196 +
1.4197 + switch (mCalibration.orientationCalibration) {
1.4198 + case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED:
1.4199 + orientation = in.orientation * mOrientationScale;
1.4200 + break;
1.4201 + case Calibration::ORIENTATION_CALIBRATION_VECTOR: {
1.4202 + int32_t c1 = signExtendNybble((in.orientation & 0xf0) >> 4);
1.4203 + int32_t c2 = signExtendNybble(in.orientation & 0x0f);
1.4204 + if (c1 != 0 || c2 != 0) {
1.4205 + orientation = atan2f(c1, c2) * 0.5f;
1.4206 + float confidence = hypotf(c1, c2);
1.4207 + float scale = 1.0f + confidence / 16.0f;
1.4208 + touchMajor *= scale;
1.4209 + touchMinor /= scale;
1.4210 + toolMajor *= scale;
1.4211 + toolMinor /= scale;
1.4212 + } else {
1.4213 + orientation = 0;
1.4214 + }
1.4215 + break;
1.4216 + }
1.4217 + default:
1.4218 + orientation = 0;
1.4219 + }
1.4220 + }
1.4221 +
1.4222 + // Distance
1.4223 + float distance;
1.4224 + switch (mCalibration.distanceCalibration) {
1.4225 + case Calibration::DISTANCE_CALIBRATION_SCALED:
1.4226 + distance = in.distance * mDistanceScale;
1.4227 + break;
1.4228 + default:
1.4229 + distance = 0;
1.4230 + }
1.4231 +
1.4232 + // Coverage
1.4233 + int32_t rawLeft, rawTop, rawRight, rawBottom;
1.4234 + switch (mCalibration.coverageCalibration) {
1.4235 + case Calibration::COVERAGE_CALIBRATION_BOX:
1.4236 + rawLeft = (in.toolMinor & 0xffff0000) >> 16;
1.4237 + rawRight = in.toolMinor & 0x0000ffff;
1.4238 + rawBottom = in.toolMajor & 0x0000ffff;
1.4239 + rawTop = (in.toolMajor & 0xffff0000) >> 16;
1.4240 + break;
1.4241 + default:
1.4242 + rawLeft = rawTop = rawRight = rawBottom = 0;
1.4243 + break;
1.4244 + }
1.4245 +
1.4246 + // X, Y, and the bounding box for coverage information
1.4247 + // Adjust coords for surface orientation.
1.4248 + float x, y, left, top, right, bottom;
1.4249 + switch (mSurfaceOrientation) {
1.4250 + case DISPLAY_ORIENTATION_90:
1.4251 + x = float(in.y - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
1.4252 + y = float(mRawPointerAxes.x.maxValue - in.x) * mXScale + mXTranslate;
1.4253 + left = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
1.4254 + right = float(rawBottom- mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
1.4255 + bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
1.4256 + top = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate;
1.4257 + orientation -= M_PI_2;
1.4258 + if (orientation < - M_PI_2) {
1.4259 + orientation += M_PI;
1.4260 + }
1.4261 + break;
1.4262 + case DISPLAY_ORIENTATION_180:
1.4263 + x = float(mRawPointerAxes.x.maxValue - in.x) * mXScale + mXTranslate;
1.4264 + y = float(mRawPointerAxes.y.maxValue - in.y) * mYScale + mYTranslate;
1.4265 + left = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate;
1.4266 + right = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
1.4267 + bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
1.4268 + top = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate;
1.4269 + break;
1.4270 + case DISPLAY_ORIENTATION_270:
1.4271 + x = float(mRawPointerAxes.y.maxValue - in.y) * mYScale + mYTranslate;
1.4272 + y = float(in.x - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
1.4273 + left = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate;
1.4274 + right = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
1.4275 + bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
1.4276 + top = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
1.4277 + orientation += M_PI_2;
1.4278 + if (orientation > M_PI_2) {
1.4279 + orientation -= M_PI;
1.4280 + }
1.4281 + break;
1.4282 + default:
1.4283 + x = float(in.x - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
1.4284 + y = float(in.y - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
1.4285 + left = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
1.4286 + right = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
1.4287 + bottom = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
1.4288 + top = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
1.4289 + break;
1.4290 + }
1.4291 +
1.4292 + // Write output coords.
1.4293 + PointerCoords& out = mCurrentCookedPointerData.pointerCoords[i];
1.4294 + out.clear();
1.4295 + out.setAxisValue(AMOTION_EVENT_AXIS_X, x);
1.4296 + out.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
1.4297 + out.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure);
1.4298 + out.setAxisValue(AMOTION_EVENT_AXIS_SIZE, size);
1.4299 + out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, touchMajor);
1.4300 + out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, touchMinor);
1.4301 + out.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, orientation);
1.4302 + out.setAxisValue(AMOTION_EVENT_AXIS_TILT, tilt);
1.4303 + out.setAxisValue(AMOTION_EVENT_AXIS_DISTANCE, distance);
1.4304 + if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) {
1.4305 + out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_1, left);
1.4306 + out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_2, top);
1.4307 + out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_3, right);
1.4308 + out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_4, bottom);
1.4309 + } else {
1.4310 + out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, toolMajor);
1.4311 + out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, toolMinor);
1.4312 + }
1.4313 +
1.4314 + // Write output properties.
1.4315 + PointerProperties& properties = mCurrentCookedPointerData.pointerProperties[i];
1.4316 + uint32_t id = in.id;
1.4317 + properties.clear();
1.4318 + properties.id = id;
1.4319 + properties.toolType = in.toolType;
1.4320 +
1.4321 + // Write id index.
1.4322 + mCurrentCookedPointerData.idToIndex[id] = i;
1.4323 + }
1.4324 +}
1.4325 +
1.4326 +void TouchInputMapper::dispatchPointerUsage(nsecs_t when, uint32_t policyFlags,
1.4327 + PointerUsage pointerUsage) {
1.4328 + if (pointerUsage != mPointerUsage) {
1.4329 + abortPointerUsage(when, policyFlags);
1.4330 + mPointerUsage = pointerUsage;
1.4331 + }
1.4332 +
1.4333 + switch (mPointerUsage) {
1.4334 + case POINTER_USAGE_GESTURES:
1.4335 + dispatchPointerGestures(when, policyFlags, false /*isTimeout*/);
1.4336 + break;
1.4337 + case POINTER_USAGE_STYLUS:
1.4338 + dispatchPointerStylus(when, policyFlags);
1.4339 + break;
1.4340 + case POINTER_USAGE_MOUSE:
1.4341 + dispatchPointerMouse(when, policyFlags);
1.4342 + break;
1.4343 + default:
1.4344 + break;
1.4345 + }
1.4346 +}
1.4347 +
1.4348 +void TouchInputMapper::abortPointerUsage(nsecs_t when, uint32_t policyFlags) {
1.4349 + switch (mPointerUsage) {
1.4350 + case POINTER_USAGE_GESTURES:
1.4351 + abortPointerGestures(when, policyFlags);
1.4352 + break;
1.4353 + case POINTER_USAGE_STYLUS:
1.4354 + abortPointerStylus(when, policyFlags);
1.4355 + break;
1.4356 + case POINTER_USAGE_MOUSE:
1.4357 + abortPointerMouse(when, policyFlags);
1.4358 + break;
1.4359 + default:
1.4360 + break;
1.4361 + }
1.4362 +
1.4363 + mPointerUsage = POINTER_USAGE_NONE;
1.4364 +}
1.4365 +
1.4366 +void TouchInputMapper::dispatchPointerGestures(nsecs_t when, uint32_t policyFlags,
1.4367 + bool isTimeout) {
1.4368 + // Update current gesture coordinates.
1.4369 + bool cancelPreviousGesture, finishPreviousGesture;
1.4370 + bool sendEvents = preparePointerGestures(when,
1.4371 + &cancelPreviousGesture, &finishPreviousGesture, isTimeout);
1.4372 + if (!sendEvents) {
1.4373 + return;
1.4374 + }
1.4375 + if (finishPreviousGesture) {
1.4376 + cancelPreviousGesture = false;
1.4377 + }
1.4378 +
1.4379 + // Update the pointer presentation and spots.
1.4380 + if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS) {
1.4381 + mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
1.4382 + if (finishPreviousGesture || cancelPreviousGesture) {
1.4383 + mPointerController->clearSpots();
1.4384 + }
1.4385 + mPointerController->setSpots(mPointerGesture.currentGestureCoords,
1.4386 + mPointerGesture.currentGestureIdToIndex,
1.4387 + mPointerGesture.currentGestureIdBits);
1.4388 + } else {
1.4389 + mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
1.4390 + }
1.4391 +
1.4392 + // Show or hide the pointer if needed.
1.4393 + switch (mPointerGesture.currentGestureMode) {
1.4394 + case PointerGesture::NEUTRAL:
1.4395 + case PointerGesture::QUIET:
1.4396 + if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS
1.4397 + && (mPointerGesture.lastGestureMode == PointerGesture::SWIPE
1.4398 + || mPointerGesture.lastGestureMode == PointerGesture::FREEFORM)) {
1.4399 + // Remind the user of where the pointer is after finishing a gesture with spots.
1.4400 + mPointerController->unfade(PointerControllerInterface::TRANSITION_GRADUAL);
1.4401 + }
1.4402 + break;
1.4403 + case PointerGesture::TAP:
1.4404 + case PointerGesture::TAP_DRAG:
1.4405 + case PointerGesture::BUTTON_CLICK_OR_DRAG:
1.4406 + case PointerGesture::HOVER:
1.4407 + case PointerGesture::PRESS:
1.4408 + // Unfade the pointer when the current gesture manipulates the
1.4409 + // area directly under the pointer.
1.4410 + mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
1.4411 + break;
1.4412 + case PointerGesture::SWIPE:
1.4413 + case PointerGesture::FREEFORM:
1.4414 + // Fade the pointer when the current gesture manipulates a different
1.4415 + // area and there are spots to guide the user experience.
1.4416 + if (mParameters.gestureMode == Parameters::GESTURE_MODE_SPOTS) {
1.4417 + mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
1.4418 + } else {
1.4419 + mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
1.4420 + }
1.4421 + break;
1.4422 + }
1.4423 +
1.4424 + // Send events!
1.4425 + int32_t metaState = getContext()->getGlobalMetaState();
1.4426 + int32_t buttonState = mCurrentButtonState;
1.4427 +
1.4428 + // Update last coordinates of pointers that have moved so that we observe the new
1.4429 + // pointer positions at the same time as other pointers that have just gone up.
1.4430 + bool down = mPointerGesture.currentGestureMode == PointerGesture::TAP
1.4431 + || mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG
1.4432 + || mPointerGesture.currentGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG
1.4433 + || mPointerGesture.currentGestureMode == PointerGesture::PRESS
1.4434 + || mPointerGesture.currentGestureMode == PointerGesture::SWIPE
1.4435 + || mPointerGesture.currentGestureMode == PointerGesture::FREEFORM;
1.4436 + bool moveNeeded = false;
1.4437 + if (down && !cancelPreviousGesture && !finishPreviousGesture
1.4438 + && !mPointerGesture.lastGestureIdBits.isEmpty()
1.4439 + && !mPointerGesture.currentGestureIdBits.isEmpty()) {
1.4440 + BitSet32 movedGestureIdBits(mPointerGesture.currentGestureIdBits.value
1.4441 + & mPointerGesture.lastGestureIdBits.value);
1.4442 + moveNeeded = updateMovedPointers(mPointerGesture.currentGestureProperties,
1.4443 + mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
1.4444 + mPointerGesture.lastGestureProperties,
1.4445 + mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
1.4446 + movedGestureIdBits);
1.4447 + if (buttonState != mLastButtonState) {
1.4448 + moveNeeded = true;
1.4449 + }
1.4450 + }
1.4451 +
1.4452 + // Send motion events for all pointers that went up or were canceled.
1.4453 + BitSet32 dispatchedGestureIdBits(mPointerGesture.lastGestureIdBits);
1.4454 + if (!dispatchedGestureIdBits.isEmpty()) {
1.4455 + if (cancelPreviousGesture) {
1.4456 + dispatchMotion(when, policyFlags, mSource,
1.4457 + AMOTION_EVENT_ACTION_CANCEL, 0, metaState, buttonState,
1.4458 + AMOTION_EVENT_EDGE_FLAG_NONE,
1.4459 + mPointerGesture.lastGestureProperties,
1.4460 + mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
1.4461 + dispatchedGestureIdBits, -1,
1.4462 + 0, 0, mPointerGesture.downTime);
1.4463 +
1.4464 + dispatchedGestureIdBits.clear();
1.4465 + } else {
1.4466 + BitSet32 upGestureIdBits;
1.4467 + if (finishPreviousGesture) {
1.4468 + upGestureIdBits = dispatchedGestureIdBits;
1.4469 + } else {
1.4470 + upGestureIdBits.value = dispatchedGestureIdBits.value
1.4471 + & ~mPointerGesture.currentGestureIdBits.value;
1.4472 + }
1.4473 + while (!upGestureIdBits.isEmpty()) {
1.4474 + uint32_t id = upGestureIdBits.clearFirstMarkedBit();
1.4475 +
1.4476 + dispatchMotion(when, policyFlags, mSource,
1.4477 + AMOTION_EVENT_ACTION_POINTER_UP, 0,
1.4478 + metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
1.4479 + mPointerGesture.lastGestureProperties,
1.4480 + mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
1.4481 + dispatchedGestureIdBits, id,
1.4482 + 0, 0, mPointerGesture.downTime);
1.4483 +
1.4484 + dispatchedGestureIdBits.clearBit(id);
1.4485 + }
1.4486 + }
1.4487 + }
1.4488 +
1.4489 + // Send motion events for all pointers that moved.
1.4490 + if (moveNeeded) {
1.4491 + dispatchMotion(when, policyFlags, mSource,
1.4492 + AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
1.4493 + mPointerGesture.currentGestureProperties,
1.4494 + mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
1.4495 + dispatchedGestureIdBits, -1,
1.4496 + 0, 0, mPointerGesture.downTime);
1.4497 + }
1.4498 +
1.4499 + // Send motion events for all pointers that went down.
1.4500 + if (down) {
1.4501 + BitSet32 downGestureIdBits(mPointerGesture.currentGestureIdBits.value
1.4502 + & ~dispatchedGestureIdBits.value);
1.4503 + while (!downGestureIdBits.isEmpty()) {
1.4504 + uint32_t id = downGestureIdBits.clearFirstMarkedBit();
1.4505 + dispatchedGestureIdBits.markBit(id);
1.4506 +
1.4507 + if (dispatchedGestureIdBits.count() == 1) {
1.4508 + mPointerGesture.downTime = when;
1.4509 + }
1.4510 +
1.4511 + dispatchMotion(when, policyFlags, mSource,
1.4512 + AMOTION_EVENT_ACTION_POINTER_DOWN, 0, metaState, buttonState, 0,
1.4513 + mPointerGesture.currentGestureProperties,
1.4514 + mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
1.4515 + dispatchedGestureIdBits, id,
1.4516 + 0, 0, mPointerGesture.downTime);
1.4517 + }
1.4518 + }
1.4519 +
1.4520 + // Send motion events for hover.
1.4521 + if (mPointerGesture.currentGestureMode == PointerGesture::HOVER) {
1.4522 + dispatchMotion(when, policyFlags, mSource,
1.4523 + AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
1.4524 + metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
1.4525 + mPointerGesture.currentGestureProperties,
1.4526 + mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
1.4527 + mPointerGesture.currentGestureIdBits, -1,
1.4528 + 0, 0, mPointerGesture.downTime);
1.4529 + } else if (dispatchedGestureIdBits.isEmpty()
1.4530 + && !mPointerGesture.lastGestureIdBits.isEmpty()) {
1.4531 + // Synthesize a hover move event after all pointers go up to indicate that
1.4532 + // the pointer is hovering again even if the user is not currently touching
1.4533 + // the touch pad. This ensures that a view will receive a fresh hover enter
1.4534 + // event after a tap.
1.4535 + float x, y;
1.4536 + mPointerController->getPosition(&x, &y);
1.4537 +
1.4538 + PointerProperties pointerProperties;
1.4539 + pointerProperties.clear();
1.4540 + pointerProperties.id = 0;
1.4541 + pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
1.4542 +
1.4543 + PointerCoords pointerCoords;
1.4544 + pointerCoords.clear();
1.4545 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
1.4546 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
1.4547 +
1.4548 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.4549 + AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
1.4550 + metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
1.4551 + mViewport.displayId, 1, &pointerProperties, &pointerCoords,
1.4552 + 0, 0, mPointerGesture.downTime);
1.4553 + getListener()->notifyMotion(&args);
1.4554 + }
1.4555 +
1.4556 + // Update state.
1.4557 + mPointerGesture.lastGestureMode = mPointerGesture.currentGestureMode;
1.4558 + if (!down) {
1.4559 + mPointerGesture.lastGestureIdBits.clear();
1.4560 + } else {
1.4561 + mPointerGesture.lastGestureIdBits = mPointerGesture.currentGestureIdBits;
1.4562 + for (BitSet32 idBits(mPointerGesture.currentGestureIdBits); !idBits.isEmpty(); ) {
1.4563 + uint32_t id = idBits.clearFirstMarkedBit();
1.4564 + uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
1.4565 + mPointerGesture.lastGestureProperties[index].copyFrom(
1.4566 + mPointerGesture.currentGestureProperties[index]);
1.4567 + mPointerGesture.lastGestureCoords[index].copyFrom(
1.4568 + mPointerGesture.currentGestureCoords[index]);
1.4569 + mPointerGesture.lastGestureIdToIndex[id] = index;
1.4570 + }
1.4571 + }
1.4572 +}
1.4573 +
1.4574 +void TouchInputMapper::abortPointerGestures(nsecs_t when, uint32_t policyFlags) {
1.4575 + // Cancel previously dispatches pointers.
1.4576 + if (!mPointerGesture.lastGestureIdBits.isEmpty()) {
1.4577 + int32_t metaState = getContext()->getGlobalMetaState();
1.4578 + int32_t buttonState = mCurrentButtonState;
1.4579 + dispatchMotion(when, policyFlags, mSource,
1.4580 + AMOTION_EVENT_ACTION_CANCEL, 0, metaState, buttonState,
1.4581 + AMOTION_EVENT_EDGE_FLAG_NONE,
1.4582 + mPointerGesture.lastGestureProperties,
1.4583 + mPointerGesture.lastGestureCoords, mPointerGesture.lastGestureIdToIndex,
1.4584 + mPointerGesture.lastGestureIdBits, -1,
1.4585 + 0, 0, mPointerGesture.downTime);
1.4586 + }
1.4587 +
1.4588 + // Reset the current pointer gesture.
1.4589 + mPointerGesture.reset();
1.4590 + mPointerVelocityControl.reset();
1.4591 +
1.4592 + // Remove any current spots.
1.4593 + if (mPointerController != NULL) {
1.4594 + mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
1.4595 + mPointerController->clearSpots();
1.4596 + }
1.4597 +}
1.4598 +
1.4599 +bool TouchInputMapper::preparePointerGestures(nsecs_t when,
1.4600 + bool* outCancelPreviousGesture, bool* outFinishPreviousGesture, bool isTimeout) {
1.4601 + *outCancelPreviousGesture = false;
1.4602 + *outFinishPreviousGesture = false;
1.4603 +
1.4604 + // Handle TAP timeout.
1.4605 + if (isTimeout) {
1.4606 +#if DEBUG_GESTURES
1.4607 + ALOGD("Gestures: Processing timeout");
1.4608 +#endif
1.4609 +
1.4610 + if (mPointerGesture.lastGestureMode == PointerGesture::TAP) {
1.4611 + if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
1.4612 + // The tap/drag timeout has not yet expired.
1.4613 + getContext()->requestTimeoutAtTime(mPointerGesture.tapUpTime
1.4614 + + mConfig.pointerGestureTapDragInterval);
1.4615 + } else {
1.4616 + // The tap is finished.
1.4617 +#if DEBUG_GESTURES
1.4618 + ALOGD("Gestures: TAP finished");
1.4619 +#endif
1.4620 + *outFinishPreviousGesture = true;
1.4621 +
1.4622 + mPointerGesture.activeGestureId = -1;
1.4623 + mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL;
1.4624 + mPointerGesture.currentGestureIdBits.clear();
1.4625 +
1.4626 + mPointerVelocityControl.reset();
1.4627 + return true;
1.4628 + }
1.4629 + }
1.4630 +
1.4631 + // We did not handle this timeout.
1.4632 + return false;
1.4633 + }
1.4634 +
1.4635 + const uint32_t currentFingerCount = mCurrentFingerIdBits.count();
1.4636 + const uint32_t lastFingerCount = mLastFingerIdBits.count();
1.4637 +
1.4638 + // Update the velocity tracker.
1.4639 + {
1.4640 + VelocityTracker::Position positions[MAX_POINTERS];
1.4641 + uint32_t count = 0;
1.4642 + for (BitSet32 idBits(mCurrentFingerIdBits); !idBits.isEmpty(); count++) {
1.4643 + uint32_t id = idBits.clearFirstMarkedBit();
1.4644 + const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
1.4645 + positions[count].x = pointer.x * mPointerXMovementScale;
1.4646 + positions[count].y = pointer.y * mPointerYMovementScale;
1.4647 + }
1.4648 + mPointerGesture.velocityTracker.addMovement(when,
1.4649 + mCurrentFingerIdBits, positions);
1.4650 + }
1.4651 +
1.4652 + // Pick a new active touch id if needed.
1.4653 + // Choose an arbitrary pointer that just went down, if there is one.
1.4654 + // Otherwise choose an arbitrary remaining pointer.
1.4655 + // This guarantees we always have an active touch id when there is at least one pointer.
1.4656 + // We keep the same active touch id for as long as possible.
1.4657 + bool activeTouchChanged = false;
1.4658 + int32_t lastActiveTouchId = mPointerGesture.activeTouchId;
1.4659 + int32_t activeTouchId = lastActiveTouchId;
1.4660 + if (activeTouchId < 0) {
1.4661 + if (!mCurrentFingerIdBits.isEmpty()) {
1.4662 + activeTouchChanged = true;
1.4663 + activeTouchId = mPointerGesture.activeTouchId =
1.4664 + mCurrentFingerIdBits.firstMarkedBit();
1.4665 + mPointerGesture.firstTouchTime = when;
1.4666 + }
1.4667 + } else if (!mCurrentFingerIdBits.hasBit(activeTouchId)) {
1.4668 + activeTouchChanged = true;
1.4669 + if (!mCurrentFingerIdBits.isEmpty()) {
1.4670 + activeTouchId = mPointerGesture.activeTouchId =
1.4671 + mCurrentFingerIdBits.firstMarkedBit();
1.4672 + } else {
1.4673 + activeTouchId = mPointerGesture.activeTouchId = -1;
1.4674 + }
1.4675 + }
1.4676 +
1.4677 + // Determine whether we are in quiet time.
1.4678 + bool isQuietTime = false;
1.4679 + if (activeTouchId < 0) {
1.4680 + mPointerGesture.resetQuietTime();
1.4681 + } else {
1.4682 + isQuietTime = when < mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval;
1.4683 + if (!isQuietTime) {
1.4684 + if ((mPointerGesture.lastGestureMode == PointerGesture::PRESS
1.4685 + || mPointerGesture.lastGestureMode == PointerGesture::SWIPE
1.4686 + || mPointerGesture.lastGestureMode == PointerGesture::FREEFORM)
1.4687 + && currentFingerCount < 2) {
1.4688 + // Enter quiet time when exiting swipe or freeform state.
1.4689 + // This is to prevent accidentally entering the hover state and flinging the
1.4690 + // pointer when finishing a swipe and there is still one pointer left onscreen.
1.4691 + isQuietTime = true;
1.4692 + } else if (mPointerGesture.lastGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG
1.4693 + && currentFingerCount >= 2
1.4694 + && !isPointerDown(mCurrentButtonState)) {
1.4695 + // Enter quiet time when releasing the button and there are still two or more
1.4696 + // fingers down. This may indicate that one finger was used to press the button
1.4697 + // but it has not gone up yet.
1.4698 + isQuietTime = true;
1.4699 + }
1.4700 + if (isQuietTime) {
1.4701 + mPointerGesture.quietTime = when;
1.4702 + }
1.4703 + }
1.4704 + }
1.4705 +
1.4706 + // Switch states based on button and pointer state.
1.4707 + if (isQuietTime) {
1.4708 + // Case 1: Quiet time. (QUIET)
1.4709 +#if DEBUG_GESTURES
1.4710 + ALOGD("Gestures: QUIET for next %0.3fms", (mPointerGesture.quietTime
1.4711 + + mConfig.pointerGestureQuietInterval - when) * 0.000001f);
1.4712 +#endif
1.4713 + if (mPointerGesture.lastGestureMode != PointerGesture::QUIET) {
1.4714 + *outFinishPreviousGesture = true;
1.4715 + }
1.4716 +
1.4717 + mPointerGesture.activeGestureId = -1;
1.4718 + mPointerGesture.currentGestureMode = PointerGesture::QUIET;
1.4719 + mPointerGesture.currentGestureIdBits.clear();
1.4720 +
1.4721 + mPointerVelocityControl.reset();
1.4722 + } else if (isPointerDown(mCurrentButtonState)) {
1.4723 + // Case 2: Button is pressed. (BUTTON_CLICK_OR_DRAG)
1.4724 + // The pointer follows the active touch point.
1.4725 + // Emit DOWN, MOVE, UP events at the pointer location.
1.4726 + //
1.4727 + // Only the active touch matters; other fingers are ignored. This policy helps
1.4728 + // to handle the case where the user places a second finger on the touch pad
1.4729 + // to apply the necessary force to depress an integrated button below the surface.
1.4730 + // We don't want the second finger to be delivered to applications.
1.4731 + //
1.4732 + // For this to work well, we need to make sure to track the pointer that is really
1.4733 + // active. If the user first puts one finger down to click then adds another
1.4734 + // finger to drag then the active pointer should switch to the finger that is
1.4735 + // being dragged.
1.4736 +#if DEBUG_GESTURES
1.4737 + ALOGD("Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, "
1.4738 + "currentFingerCount=%d", activeTouchId, currentFingerCount);
1.4739 +#endif
1.4740 + // Reset state when just starting.
1.4741 + if (mPointerGesture.lastGestureMode != PointerGesture::BUTTON_CLICK_OR_DRAG) {
1.4742 + *outFinishPreviousGesture = true;
1.4743 + mPointerGesture.activeGestureId = 0;
1.4744 + }
1.4745 +
1.4746 + // Switch pointers if needed.
1.4747 + // Find the fastest pointer and follow it.
1.4748 + if (activeTouchId >= 0 && currentFingerCount > 1) {
1.4749 + int32_t bestId = -1;
1.4750 + float bestSpeed = mConfig.pointerGestureDragMinSwitchSpeed;
1.4751 + for (BitSet32 idBits(mCurrentFingerIdBits); !idBits.isEmpty(); ) {
1.4752 + uint32_t id = idBits.clearFirstMarkedBit();
1.4753 + float vx, vy;
1.4754 + if (mPointerGesture.velocityTracker.getVelocity(id, &vx, &vy)) {
1.4755 + float speed = hypotf(vx, vy);
1.4756 + if (speed > bestSpeed) {
1.4757 + bestId = id;
1.4758 + bestSpeed = speed;
1.4759 + }
1.4760 + }
1.4761 + }
1.4762 + if (bestId >= 0 && bestId != activeTouchId) {
1.4763 + mPointerGesture.activeTouchId = activeTouchId = bestId;
1.4764 + activeTouchChanged = true;
1.4765 +#if DEBUG_GESTURES
1.4766 + ALOGD("Gestures: BUTTON_CLICK_OR_DRAG switched pointers, "
1.4767 + "bestId=%d, bestSpeed=%0.3f", bestId, bestSpeed);
1.4768 +#endif
1.4769 + }
1.4770 + }
1.4771 +
1.4772 + if (activeTouchId >= 0 && mLastFingerIdBits.hasBit(activeTouchId)) {
1.4773 + const RawPointerData::Pointer& currentPointer =
1.4774 + mCurrentRawPointerData.pointerForId(activeTouchId);
1.4775 + const RawPointerData::Pointer& lastPointer =
1.4776 + mLastRawPointerData.pointerForId(activeTouchId);
1.4777 + float deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale;
1.4778 + float deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale;
1.4779 +
1.4780 + rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
1.4781 + mPointerVelocityControl.move(when, &deltaX, &deltaY);
1.4782 +
1.4783 + // Move the pointer using a relative motion.
1.4784 + // When using spots, the click will occur at the position of the anchor
1.4785 + // spot and all other spots will move there.
1.4786 + mPointerController->move(deltaX, deltaY);
1.4787 + } else {
1.4788 + mPointerVelocityControl.reset();
1.4789 + }
1.4790 +
1.4791 + float x, y;
1.4792 + mPointerController->getPosition(&x, &y);
1.4793 +
1.4794 + mPointerGesture.currentGestureMode = PointerGesture::BUTTON_CLICK_OR_DRAG;
1.4795 + mPointerGesture.currentGestureIdBits.clear();
1.4796 + mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
1.4797 + mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
1.4798 + mPointerGesture.currentGestureProperties[0].clear();
1.4799 + mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
1.4800 + mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
1.4801 + mPointerGesture.currentGestureCoords[0].clear();
1.4802 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x);
1.4803 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y);
1.4804 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
1.4805 + } else if (currentFingerCount == 0) {
1.4806 + // Case 3. No fingers down and button is not pressed. (NEUTRAL)
1.4807 + if (mPointerGesture.lastGestureMode != PointerGesture::NEUTRAL) {
1.4808 + *outFinishPreviousGesture = true;
1.4809 + }
1.4810 +
1.4811 + // Watch for taps coming out of HOVER or TAP_DRAG mode.
1.4812 + // Checking for taps after TAP_DRAG allows us to detect double-taps.
1.4813 + bool tapped = false;
1.4814 + if ((mPointerGesture.lastGestureMode == PointerGesture::HOVER
1.4815 + || mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG)
1.4816 + && lastFingerCount == 1) {
1.4817 + if (when <= mPointerGesture.tapDownTime + mConfig.pointerGestureTapInterval) {
1.4818 + float x, y;
1.4819 + mPointerController->getPosition(&x, &y);
1.4820 + if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop
1.4821 + && fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
1.4822 +#if DEBUG_GESTURES
1.4823 + ALOGD("Gestures: TAP");
1.4824 +#endif
1.4825 +
1.4826 + mPointerGesture.tapUpTime = when;
1.4827 + getContext()->requestTimeoutAtTime(when
1.4828 + + mConfig.pointerGestureTapDragInterval);
1.4829 +
1.4830 + mPointerGesture.activeGestureId = 0;
1.4831 + mPointerGesture.currentGestureMode = PointerGesture::TAP;
1.4832 + mPointerGesture.currentGestureIdBits.clear();
1.4833 + mPointerGesture.currentGestureIdBits.markBit(
1.4834 + mPointerGesture.activeGestureId);
1.4835 + mPointerGesture.currentGestureIdToIndex[
1.4836 + mPointerGesture.activeGestureId] = 0;
1.4837 + mPointerGesture.currentGestureProperties[0].clear();
1.4838 + mPointerGesture.currentGestureProperties[0].id =
1.4839 + mPointerGesture.activeGestureId;
1.4840 + mPointerGesture.currentGestureProperties[0].toolType =
1.4841 + AMOTION_EVENT_TOOL_TYPE_FINGER;
1.4842 + mPointerGesture.currentGestureCoords[0].clear();
1.4843 + mPointerGesture.currentGestureCoords[0].setAxisValue(
1.4844 + AMOTION_EVENT_AXIS_X, mPointerGesture.tapX);
1.4845 + mPointerGesture.currentGestureCoords[0].setAxisValue(
1.4846 + AMOTION_EVENT_AXIS_Y, mPointerGesture.tapY);
1.4847 + mPointerGesture.currentGestureCoords[0].setAxisValue(
1.4848 + AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
1.4849 +
1.4850 + tapped = true;
1.4851 + } else {
1.4852 +#if DEBUG_GESTURES
1.4853 + ALOGD("Gestures: Not a TAP, deltaX=%f, deltaY=%f",
1.4854 + x - mPointerGesture.tapX,
1.4855 + y - mPointerGesture.tapY);
1.4856 +#endif
1.4857 + }
1.4858 + } else {
1.4859 +#if DEBUG_GESTURES
1.4860 + ALOGD("Gestures: Not a TAP, %0.3fms since down",
1.4861 + (when - mPointerGesture.tapDownTime) * 0.000001f);
1.4862 +#endif
1.4863 + }
1.4864 + }
1.4865 +
1.4866 + mPointerVelocityControl.reset();
1.4867 +
1.4868 + if (!tapped) {
1.4869 +#if DEBUG_GESTURES
1.4870 + ALOGD("Gestures: NEUTRAL");
1.4871 +#endif
1.4872 + mPointerGesture.activeGestureId = -1;
1.4873 + mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL;
1.4874 + mPointerGesture.currentGestureIdBits.clear();
1.4875 + }
1.4876 + } else if (currentFingerCount == 1) {
1.4877 + // Case 4. Exactly one finger down, button is not pressed. (HOVER or TAP_DRAG)
1.4878 + // The pointer follows the active touch point.
1.4879 + // When in HOVER, emit HOVER_MOVE events at the pointer location.
1.4880 + // When in TAP_DRAG, emit MOVE events at the pointer location.
1.4881 + ALOG_ASSERT(activeTouchId >= 0);
1.4882 +
1.4883 + mPointerGesture.currentGestureMode = PointerGesture::HOVER;
1.4884 + if (mPointerGesture.lastGestureMode == PointerGesture::TAP) {
1.4885 + if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) {
1.4886 + float x, y;
1.4887 + mPointerController->getPosition(&x, &y);
1.4888 + if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop
1.4889 + && fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) {
1.4890 + mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG;
1.4891 + } else {
1.4892 +#if DEBUG_GESTURES
1.4893 + ALOGD("Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f",
1.4894 + x - mPointerGesture.tapX,
1.4895 + y - mPointerGesture.tapY);
1.4896 +#endif
1.4897 + }
1.4898 + } else {
1.4899 +#if DEBUG_GESTURES
1.4900 + ALOGD("Gestures: Not a TAP_DRAG, %0.3fms time since up",
1.4901 + (when - mPointerGesture.tapUpTime) * 0.000001f);
1.4902 +#endif
1.4903 + }
1.4904 + } else if (mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG) {
1.4905 + mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG;
1.4906 + }
1.4907 +
1.4908 + if (mLastFingerIdBits.hasBit(activeTouchId)) {
1.4909 + const RawPointerData::Pointer& currentPointer =
1.4910 + mCurrentRawPointerData.pointerForId(activeTouchId);
1.4911 + const RawPointerData::Pointer& lastPointer =
1.4912 + mLastRawPointerData.pointerForId(activeTouchId);
1.4913 + float deltaX = (currentPointer.x - lastPointer.x)
1.4914 + * mPointerXMovementScale;
1.4915 + float deltaY = (currentPointer.y - lastPointer.y)
1.4916 + * mPointerYMovementScale;
1.4917 +
1.4918 + rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
1.4919 + mPointerVelocityControl.move(when, &deltaX, &deltaY);
1.4920 +
1.4921 + // Move the pointer using a relative motion.
1.4922 + // When using spots, the hover or drag will occur at the position of the anchor spot.
1.4923 + mPointerController->move(deltaX, deltaY);
1.4924 + } else {
1.4925 + mPointerVelocityControl.reset();
1.4926 + }
1.4927 +
1.4928 + bool down;
1.4929 + if (mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG) {
1.4930 +#if DEBUG_GESTURES
1.4931 + ALOGD("Gestures: TAP_DRAG");
1.4932 +#endif
1.4933 + down = true;
1.4934 + } else {
1.4935 +#if DEBUG_GESTURES
1.4936 + ALOGD("Gestures: HOVER");
1.4937 +#endif
1.4938 + if (mPointerGesture.lastGestureMode != PointerGesture::HOVER) {
1.4939 + *outFinishPreviousGesture = true;
1.4940 + }
1.4941 + mPointerGesture.activeGestureId = 0;
1.4942 + down = false;
1.4943 + }
1.4944 +
1.4945 + float x, y;
1.4946 + mPointerController->getPosition(&x, &y);
1.4947 +
1.4948 + mPointerGesture.currentGestureIdBits.clear();
1.4949 + mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
1.4950 + mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
1.4951 + mPointerGesture.currentGestureProperties[0].clear();
1.4952 + mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
1.4953 + mPointerGesture.currentGestureProperties[0].toolType =
1.4954 + AMOTION_EVENT_TOOL_TYPE_FINGER;
1.4955 + mPointerGesture.currentGestureCoords[0].clear();
1.4956 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x);
1.4957 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y);
1.4958 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE,
1.4959 + down ? 1.0f : 0.0f);
1.4960 +
1.4961 + if (lastFingerCount == 0 && currentFingerCount != 0) {
1.4962 + mPointerGesture.resetTap();
1.4963 + mPointerGesture.tapDownTime = when;
1.4964 + mPointerGesture.tapX = x;
1.4965 + mPointerGesture.tapY = y;
1.4966 + }
1.4967 + } else {
1.4968 + // Case 5. At least two fingers down, button is not pressed. (PRESS, SWIPE or FREEFORM)
1.4969 + // We need to provide feedback for each finger that goes down so we cannot wait
1.4970 + // for the fingers to move before deciding what to do.
1.4971 + //
1.4972 + // The ambiguous case is deciding what to do when there are two fingers down but they
1.4973 + // have not moved enough to determine whether they are part of a drag or part of a
1.4974 + // freeform gesture, or just a press or long-press at the pointer location.
1.4975 + //
1.4976 + // When there are two fingers we start with the PRESS hypothesis and we generate a
1.4977 + // down at the pointer location.
1.4978 + //
1.4979 + // When the two fingers move enough or when additional fingers are added, we make
1.4980 + // a decision to transition into SWIPE or FREEFORM mode accordingly.
1.4981 + ALOG_ASSERT(activeTouchId >= 0);
1.4982 +
1.4983 + bool settled = when >= mPointerGesture.firstTouchTime
1.4984 + + mConfig.pointerGestureMultitouchSettleInterval;
1.4985 + if (mPointerGesture.lastGestureMode != PointerGesture::PRESS
1.4986 + && mPointerGesture.lastGestureMode != PointerGesture::SWIPE
1.4987 + && mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) {
1.4988 + *outFinishPreviousGesture = true;
1.4989 + } else if (!settled && currentFingerCount > lastFingerCount) {
1.4990 + // Additional pointers have gone down but not yet settled.
1.4991 + // Reset the gesture.
1.4992 +#if DEBUG_GESTURES
1.4993 + ALOGD("Gestures: Resetting gesture since additional pointers went down for MULTITOUCH, "
1.4994 + "settle time remaining %0.3fms", (mPointerGesture.firstTouchTime
1.4995 + + mConfig.pointerGestureMultitouchSettleInterval - when)
1.4996 + * 0.000001f);
1.4997 +#endif
1.4998 + *outCancelPreviousGesture = true;
1.4999 + } else {
1.5000 + // Continue previous gesture.
1.5001 + mPointerGesture.currentGestureMode = mPointerGesture.lastGestureMode;
1.5002 + }
1.5003 +
1.5004 + if (*outFinishPreviousGesture || *outCancelPreviousGesture) {
1.5005 + mPointerGesture.currentGestureMode = PointerGesture::PRESS;
1.5006 + mPointerGesture.activeGestureId = 0;
1.5007 + mPointerGesture.referenceIdBits.clear();
1.5008 + mPointerVelocityControl.reset();
1.5009 +
1.5010 + // Use the centroid and pointer location as the reference points for the gesture.
1.5011 +#if DEBUG_GESTURES
1.5012 + ALOGD("Gestures: Using centroid as reference for MULTITOUCH, "
1.5013 + "settle time remaining %0.3fms", (mPointerGesture.firstTouchTime
1.5014 + + mConfig.pointerGestureMultitouchSettleInterval - when)
1.5015 + * 0.000001f);
1.5016 +#endif
1.5017 + mCurrentRawPointerData.getCentroidOfTouchingPointers(
1.5018 + &mPointerGesture.referenceTouchX,
1.5019 + &mPointerGesture.referenceTouchY);
1.5020 + mPointerController->getPosition(&mPointerGesture.referenceGestureX,
1.5021 + &mPointerGesture.referenceGestureY);
1.5022 + }
1.5023 +
1.5024 + // Clear the reference deltas for fingers not yet included in the reference calculation.
1.5025 + for (BitSet32 idBits(mCurrentFingerIdBits.value
1.5026 + & ~mPointerGesture.referenceIdBits.value); !idBits.isEmpty(); ) {
1.5027 + uint32_t id = idBits.clearFirstMarkedBit();
1.5028 + mPointerGesture.referenceDeltas[id].dx = 0;
1.5029 + mPointerGesture.referenceDeltas[id].dy = 0;
1.5030 + }
1.5031 + mPointerGesture.referenceIdBits = mCurrentFingerIdBits;
1.5032 +
1.5033 + // Add delta for all fingers and calculate a common movement delta.
1.5034 + float commonDeltaX = 0, commonDeltaY = 0;
1.5035 + BitSet32 commonIdBits(mLastFingerIdBits.value
1.5036 + & mCurrentFingerIdBits.value);
1.5037 + for (BitSet32 idBits(commonIdBits); !idBits.isEmpty(); ) {
1.5038 + bool first = (idBits == commonIdBits);
1.5039 + uint32_t id = idBits.clearFirstMarkedBit();
1.5040 + const RawPointerData::Pointer& cpd = mCurrentRawPointerData.pointerForId(id);
1.5041 + const RawPointerData::Pointer& lpd = mLastRawPointerData.pointerForId(id);
1.5042 + PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
1.5043 + delta.dx += cpd.x - lpd.x;
1.5044 + delta.dy += cpd.y - lpd.y;
1.5045 +
1.5046 + if (first) {
1.5047 + commonDeltaX = delta.dx;
1.5048 + commonDeltaY = delta.dy;
1.5049 + } else {
1.5050 + commonDeltaX = calculateCommonVector(commonDeltaX, delta.dx);
1.5051 + commonDeltaY = calculateCommonVector(commonDeltaY, delta.dy);
1.5052 + }
1.5053 + }
1.5054 +
1.5055 + // Consider transitions from PRESS to SWIPE or MULTITOUCH.
1.5056 + if (mPointerGesture.currentGestureMode == PointerGesture::PRESS) {
1.5057 + float dist[MAX_POINTER_ID + 1];
1.5058 + int32_t distOverThreshold = 0;
1.5059 + for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty(); ) {
1.5060 + uint32_t id = idBits.clearFirstMarkedBit();
1.5061 + PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
1.5062 + dist[id] = hypotf(delta.dx * mPointerXZoomScale,
1.5063 + delta.dy * mPointerYZoomScale);
1.5064 + if (dist[id] > mConfig.pointerGestureMultitouchMinDistance) {
1.5065 + distOverThreshold += 1;
1.5066 + }
1.5067 + }
1.5068 +
1.5069 + // Only transition when at least two pointers have moved further than
1.5070 + // the minimum distance threshold.
1.5071 + if (distOverThreshold >= 2) {
1.5072 + if (currentFingerCount > 2) {
1.5073 + // There are more than two pointers, switch to FREEFORM.
1.5074 +#if DEBUG_GESTURES
1.5075 + ALOGD("Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2",
1.5076 + currentFingerCount);
1.5077 +#endif
1.5078 + *outCancelPreviousGesture = true;
1.5079 + mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
1.5080 + } else {
1.5081 + // There are exactly two pointers.
1.5082 + BitSet32 idBits(mCurrentFingerIdBits);
1.5083 + uint32_t id1 = idBits.clearFirstMarkedBit();
1.5084 + uint32_t id2 = idBits.firstMarkedBit();
1.5085 + const RawPointerData::Pointer& p1 = mCurrentRawPointerData.pointerForId(id1);
1.5086 + const RawPointerData::Pointer& p2 = mCurrentRawPointerData.pointerForId(id2);
1.5087 + float mutualDistance = distance(p1.x, p1.y, p2.x, p2.y);
1.5088 + if (mutualDistance > mPointerGestureMaxSwipeWidth) {
1.5089 + // There are two pointers but they are too far apart for a SWIPE,
1.5090 + // switch to FREEFORM.
1.5091 +#if DEBUG_GESTURES
1.5092 + ALOGD("Gestures: PRESS transitioned to FREEFORM, distance %0.3f > %0.3f",
1.5093 + mutualDistance, mPointerGestureMaxSwipeWidth);
1.5094 +#endif
1.5095 + *outCancelPreviousGesture = true;
1.5096 + mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
1.5097 + } else {
1.5098 + // There are two pointers. Wait for both pointers to start moving
1.5099 + // before deciding whether this is a SWIPE or FREEFORM gesture.
1.5100 + float dist1 = dist[id1];
1.5101 + float dist2 = dist[id2];
1.5102 + if (dist1 >= mConfig.pointerGestureMultitouchMinDistance
1.5103 + && dist2 >= mConfig.pointerGestureMultitouchMinDistance) {
1.5104 + // Calculate the dot product of the displacement vectors.
1.5105 + // When the vectors are oriented in approximately the same direction,
1.5106 + // the angle betweeen them is near zero and the cosine of the angle
1.5107 + // approches 1.0. Recall that dot(v1, v2) = cos(angle) * mag(v1) * mag(v2).
1.5108 + PointerGesture::Delta& delta1 = mPointerGesture.referenceDeltas[id1];
1.5109 + PointerGesture::Delta& delta2 = mPointerGesture.referenceDeltas[id2];
1.5110 + float dx1 = delta1.dx * mPointerXZoomScale;
1.5111 + float dy1 = delta1.dy * mPointerYZoomScale;
1.5112 + float dx2 = delta2.dx * mPointerXZoomScale;
1.5113 + float dy2 = delta2.dy * mPointerYZoomScale;
1.5114 + float dot = dx1 * dx2 + dy1 * dy2;
1.5115 + float cosine = dot / (dist1 * dist2); // denominator always > 0
1.5116 + if (cosine >= mConfig.pointerGestureSwipeTransitionAngleCosine) {
1.5117 + // Pointers are moving in the same direction. Switch to SWIPE.
1.5118 +#if DEBUG_GESTURES
1.5119 + ALOGD("Gestures: PRESS transitioned to SWIPE, "
1.5120 + "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
1.5121 + "cosine %0.3f >= %0.3f",
1.5122 + dist1, mConfig.pointerGestureMultitouchMinDistance,
1.5123 + dist2, mConfig.pointerGestureMultitouchMinDistance,
1.5124 + cosine, mConfig.pointerGestureSwipeTransitionAngleCosine);
1.5125 +#endif
1.5126 + mPointerGesture.currentGestureMode = PointerGesture::SWIPE;
1.5127 + } else {
1.5128 + // Pointers are moving in different directions. Switch to FREEFORM.
1.5129 +#if DEBUG_GESTURES
1.5130 + ALOGD("Gestures: PRESS transitioned to FREEFORM, "
1.5131 + "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, "
1.5132 + "cosine %0.3f < %0.3f",
1.5133 + dist1, mConfig.pointerGestureMultitouchMinDistance,
1.5134 + dist2, mConfig.pointerGestureMultitouchMinDistance,
1.5135 + cosine, mConfig.pointerGestureSwipeTransitionAngleCosine);
1.5136 +#endif
1.5137 + *outCancelPreviousGesture = true;
1.5138 + mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
1.5139 + }
1.5140 + }
1.5141 + }
1.5142 + }
1.5143 + }
1.5144 + } else if (mPointerGesture.currentGestureMode == PointerGesture::SWIPE) {
1.5145 + // Switch from SWIPE to FREEFORM if additional pointers go down.
1.5146 + // Cancel previous gesture.
1.5147 + if (currentFingerCount > 2) {
1.5148 +#if DEBUG_GESTURES
1.5149 + ALOGD("Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2",
1.5150 + currentFingerCount);
1.5151 +#endif
1.5152 + *outCancelPreviousGesture = true;
1.5153 + mPointerGesture.currentGestureMode = PointerGesture::FREEFORM;
1.5154 + }
1.5155 + }
1.5156 +
1.5157 + // Move the reference points based on the overall group motion of the fingers
1.5158 + // except in PRESS mode while waiting for a transition to occur.
1.5159 + if (mPointerGesture.currentGestureMode != PointerGesture::PRESS
1.5160 + && (commonDeltaX || commonDeltaY)) {
1.5161 + for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty(); ) {
1.5162 + uint32_t id = idBits.clearFirstMarkedBit();
1.5163 + PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id];
1.5164 + delta.dx = 0;
1.5165 + delta.dy = 0;
1.5166 + }
1.5167 +
1.5168 + mPointerGesture.referenceTouchX += commonDeltaX;
1.5169 + mPointerGesture.referenceTouchY += commonDeltaY;
1.5170 +
1.5171 + commonDeltaX *= mPointerXMovementScale;
1.5172 + commonDeltaY *= mPointerYMovementScale;
1.5173 +
1.5174 + rotateDelta(mSurfaceOrientation, &commonDeltaX, &commonDeltaY);
1.5175 + mPointerVelocityControl.move(when, &commonDeltaX, &commonDeltaY);
1.5176 +
1.5177 + mPointerGesture.referenceGestureX += commonDeltaX;
1.5178 + mPointerGesture.referenceGestureY += commonDeltaY;
1.5179 + }
1.5180 +
1.5181 + // Report gestures.
1.5182 + if (mPointerGesture.currentGestureMode == PointerGesture::PRESS
1.5183 + || mPointerGesture.currentGestureMode == PointerGesture::SWIPE) {
1.5184 + // PRESS or SWIPE mode.
1.5185 +#if DEBUG_GESTURES
1.5186 + ALOGD("Gestures: PRESS or SWIPE activeTouchId=%d,"
1.5187 + "activeGestureId=%d, currentTouchPointerCount=%d",
1.5188 + activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
1.5189 +#endif
1.5190 + ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
1.5191 +
1.5192 + mPointerGesture.currentGestureIdBits.clear();
1.5193 + mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId);
1.5194 + mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0;
1.5195 + mPointerGesture.currentGestureProperties[0].clear();
1.5196 + mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId;
1.5197 + mPointerGesture.currentGestureProperties[0].toolType =
1.5198 + AMOTION_EVENT_TOOL_TYPE_FINGER;
1.5199 + mPointerGesture.currentGestureCoords[0].clear();
1.5200 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X,
1.5201 + mPointerGesture.referenceGestureX);
1.5202 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y,
1.5203 + mPointerGesture.referenceGestureY);
1.5204 + mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
1.5205 + } else if (mPointerGesture.currentGestureMode == PointerGesture::FREEFORM) {
1.5206 + // FREEFORM mode.
1.5207 +#if DEBUG_GESTURES
1.5208 + ALOGD("Gestures: FREEFORM activeTouchId=%d,"
1.5209 + "activeGestureId=%d, currentTouchPointerCount=%d",
1.5210 + activeTouchId, mPointerGesture.activeGestureId, currentFingerCount);
1.5211 +#endif
1.5212 + ALOG_ASSERT(mPointerGesture.activeGestureId >= 0);
1.5213 +
1.5214 + mPointerGesture.currentGestureIdBits.clear();
1.5215 +
1.5216 + BitSet32 mappedTouchIdBits;
1.5217 + BitSet32 usedGestureIdBits;
1.5218 + if (mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) {
1.5219 + // Initially, assign the active gesture id to the active touch point
1.5220 + // if there is one. No other touch id bits are mapped yet.
1.5221 + if (!*outCancelPreviousGesture) {
1.5222 + mappedTouchIdBits.markBit(activeTouchId);
1.5223 + usedGestureIdBits.markBit(mPointerGesture.activeGestureId);
1.5224 + mPointerGesture.freeformTouchToGestureIdMap[activeTouchId] =
1.5225 + mPointerGesture.activeGestureId;
1.5226 + } else {
1.5227 + mPointerGesture.activeGestureId = -1;
1.5228 + }
1.5229 + } else {
1.5230 + // Otherwise, assume we mapped all touches from the previous frame.
1.5231 + // Reuse all mappings that are still applicable.
1.5232 + mappedTouchIdBits.value = mLastFingerIdBits.value
1.5233 + & mCurrentFingerIdBits.value;
1.5234 + usedGestureIdBits = mPointerGesture.lastGestureIdBits;
1.5235 +
1.5236 + // Check whether we need to choose a new active gesture id because the
1.5237 + // current went went up.
1.5238 + for (BitSet32 upTouchIdBits(mLastFingerIdBits.value
1.5239 + & ~mCurrentFingerIdBits.value);
1.5240 + !upTouchIdBits.isEmpty(); ) {
1.5241 + uint32_t upTouchId = upTouchIdBits.clearFirstMarkedBit();
1.5242 + uint32_t upGestureId = mPointerGesture.freeformTouchToGestureIdMap[upTouchId];
1.5243 + if (upGestureId == uint32_t(mPointerGesture.activeGestureId)) {
1.5244 + mPointerGesture.activeGestureId = -1;
1.5245 + break;
1.5246 + }
1.5247 + }
1.5248 + }
1.5249 +
1.5250 +#if DEBUG_GESTURES
1.5251 + ALOGD("Gestures: FREEFORM follow up "
1.5252 + "mappedTouchIdBits=0x%08x, usedGestureIdBits=0x%08x, "
1.5253 + "activeGestureId=%d",
1.5254 + mappedTouchIdBits.value, usedGestureIdBits.value,
1.5255 + mPointerGesture.activeGestureId);
1.5256 +#endif
1.5257 +
1.5258 + BitSet32 idBits(mCurrentFingerIdBits);
1.5259 + for (uint32_t i = 0; i < currentFingerCount; i++) {
1.5260 + uint32_t touchId = idBits.clearFirstMarkedBit();
1.5261 + uint32_t gestureId;
1.5262 + if (!mappedTouchIdBits.hasBit(touchId)) {
1.5263 + gestureId = usedGestureIdBits.markFirstUnmarkedBit();
1.5264 + mPointerGesture.freeformTouchToGestureIdMap[touchId] = gestureId;
1.5265 +#if DEBUG_GESTURES
1.5266 + ALOGD("Gestures: FREEFORM "
1.5267 + "new mapping for touch id %d -> gesture id %d",
1.5268 + touchId, gestureId);
1.5269 +#endif
1.5270 + } else {
1.5271 + gestureId = mPointerGesture.freeformTouchToGestureIdMap[touchId];
1.5272 +#if DEBUG_GESTURES
1.5273 + ALOGD("Gestures: FREEFORM "
1.5274 + "existing mapping for touch id %d -> gesture id %d",
1.5275 + touchId, gestureId);
1.5276 +#endif
1.5277 + }
1.5278 + mPointerGesture.currentGestureIdBits.markBit(gestureId);
1.5279 + mPointerGesture.currentGestureIdToIndex[gestureId] = i;
1.5280 +
1.5281 + const RawPointerData::Pointer& pointer =
1.5282 + mCurrentRawPointerData.pointerForId(touchId);
1.5283 + float deltaX = (pointer.x - mPointerGesture.referenceTouchX)
1.5284 + * mPointerXZoomScale;
1.5285 + float deltaY = (pointer.y - mPointerGesture.referenceTouchY)
1.5286 + * mPointerYZoomScale;
1.5287 + rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
1.5288 +
1.5289 + mPointerGesture.currentGestureProperties[i].clear();
1.5290 + mPointerGesture.currentGestureProperties[i].id = gestureId;
1.5291 + mPointerGesture.currentGestureProperties[i].toolType =
1.5292 + AMOTION_EVENT_TOOL_TYPE_FINGER;
1.5293 + mPointerGesture.currentGestureCoords[i].clear();
1.5294 + mPointerGesture.currentGestureCoords[i].setAxisValue(
1.5295 + AMOTION_EVENT_AXIS_X, mPointerGesture.referenceGestureX + deltaX);
1.5296 + mPointerGesture.currentGestureCoords[i].setAxisValue(
1.5297 + AMOTION_EVENT_AXIS_Y, mPointerGesture.referenceGestureY + deltaY);
1.5298 + mPointerGesture.currentGestureCoords[i].setAxisValue(
1.5299 + AMOTION_EVENT_AXIS_PRESSURE, 1.0f);
1.5300 + }
1.5301 +
1.5302 + if (mPointerGesture.activeGestureId < 0) {
1.5303 + mPointerGesture.activeGestureId =
1.5304 + mPointerGesture.currentGestureIdBits.firstMarkedBit();
1.5305 +#if DEBUG_GESTURES
1.5306 + ALOGD("Gestures: FREEFORM new "
1.5307 + "activeGestureId=%d", mPointerGesture.activeGestureId);
1.5308 +#endif
1.5309 + }
1.5310 + }
1.5311 + }
1.5312 +
1.5313 + mPointerController->setButtonState(mCurrentButtonState);
1.5314 +
1.5315 +#if DEBUG_GESTURES
1.5316 + ALOGD("Gestures: finishPreviousGesture=%s, cancelPreviousGesture=%s, "
1.5317 + "currentGestureMode=%d, currentGestureIdBits=0x%08x, "
1.5318 + "lastGestureMode=%d, lastGestureIdBits=0x%08x",
1.5319 + toString(*outFinishPreviousGesture), toString(*outCancelPreviousGesture),
1.5320 + mPointerGesture.currentGestureMode, mPointerGesture.currentGestureIdBits.value,
1.5321 + mPointerGesture.lastGestureMode, mPointerGesture.lastGestureIdBits.value);
1.5322 + for (BitSet32 idBits = mPointerGesture.currentGestureIdBits; !idBits.isEmpty(); ) {
1.5323 + uint32_t id = idBits.clearFirstMarkedBit();
1.5324 + uint32_t index = mPointerGesture.currentGestureIdToIndex[id];
1.5325 + const PointerProperties& properties = mPointerGesture.currentGestureProperties[index];
1.5326 + const PointerCoords& coords = mPointerGesture.currentGestureCoords[index];
1.5327 + ALOGD(" currentGesture[%d]: index=%d, toolType=%d, "
1.5328 + "x=%0.3f, y=%0.3f, pressure=%0.3f",
1.5329 + id, index, properties.toolType,
1.5330 + coords.getAxisValue(AMOTION_EVENT_AXIS_X),
1.5331 + coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
1.5332 + coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
1.5333 + }
1.5334 + for (BitSet32 idBits = mPointerGesture.lastGestureIdBits; !idBits.isEmpty(); ) {
1.5335 + uint32_t id = idBits.clearFirstMarkedBit();
1.5336 + uint32_t index = mPointerGesture.lastGestureIdToIndex[id];
1.5337 + const PointerProperties& properties = mPointerGesture.lastGestureProperties[index];
1.5338 + const PointerCoords& coords = mPointerGesture.lastGestureCoords[index];
1.5339 + ALOGD(" lastGesture[%d]: index=%d, toolType=%d, "
1.5340 + "x=%0.3f, y=%0.3f, pressure=%0.3f",
1.5341 + id, index, properties.toolType,
1.5342 + coords.getAxisValue(AMOTION_EVENT_AXIS_X),
1.5343 + coords.getAxisValue(AMOTION_EVENT_AXIS_Y),
1.5344 + coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE));
1.5345 + }
1.5346 +#endif
1.5347 + return true;
1.5348 +}
1.5349 +
1.5350 +void TouchInputMapper::dispatchPointerStylus(nsecs_t when, uint32_t policyFlags) {
1.5351 + mPointerSimple.currentCoords.clear();
1.5352 + mPointerSimple.currentProperties.clear();
1.5353 +
1.5354 + bool down, hovering;
1.5355 + if (!mCurrentStylusIdBits.isEmpty()) {
1.5356 + uint32_t id = mCurrentStylusIdBits.firstMarkedBit();
1.5357 + uint32_t index = mCurrentCookedPointerData.idToIndex[id];
1.5358 + float x = mCurrentCookedPointerData.pointerCoords[index].getX();
1.5359 + float y = mCurrentCookedPointerData.pointerCoords[index].getY();
1.5360 + mPointerController->setPosition(x, y);
1.5361 +
1.5362 + hovering = mCurrentCookedPointerData.hoveringIdBits.hasBit(id);
1.5363 + down = !hovering;
1.5364 +
1.5365 + mPointerController->getPosition(&x, &y);
1.5366 + mPointerSimple.currentCoords.copyFrom(mCurrentCookedPointerData.pointerCoords[index]);
1.5367 + mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
1.5368 + mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
1.5369 + mPointerSimple.currentProperties.id = 0;
1.5370 + mPointerSimple.currentProperties.toolType =
1.5371 + mCurrentCookedPointerData.pointerProperties[index].toolType;
1.5372 + } else {
1.5373 + down = false;
1.5374 + hovering = false;
1.5375 + }
1.5376 +
1.5377 + dispatchPointerSimple(when, policyFlags, down, hovering);
1.5378 +}
1.5379 +
1.5380 +void TouchInputMapper::abortPointerStylus(nsecs_t when, uint32_t policyFlags) {
1.5381 + abortPointerSimple(when, policyFlags);
1.5382 +}
1.5383 +
1.5384 +void TouchInputMapper::dispatchPointerMouse(nsecs_t when, uint32_t policyFlags) {
1.5385 + mPointerSimple.currentCoords.clear();
1.5386 + mPointerSimple.currentProperties.clear();
1.5387 +
1.5388 + bool down, hovering;
1.5389 + if (!mCurrentMouseIdBits.isEmpty()) {
1.5390 + uint32_t id = mCurrentMouseIdBits.firstMarkedBit();
1.5391 + uint32_t currentIndex = mCurrentRawPointerData.idToIndex[id];
1.5392 + if (mLastMouseIdBits.hasBit(id)) {
1.5393 + uint32_t lastIndex = mCurrentRawPointerData.idToIndex[id];
1.5394 + float deltaX = (mCurrentRawPointerData.pointers[currentIndex].x
1.5395 + - mLastRawPointerData.pointers[lastIndex].x)
1.5396 + * mPointerXMovementScale;
1.5397 + float deltaY = (mCurrentRawPointerData.pointers[currentIndex].y
1.5398 + - mLastRawPointerData.pointers[lastIndex].y)
1.5399 + * mPointerYMovementScale;
1.5400 +
1.5401 + rotateDelta(mSurfaceOrientation, &deltaX, &deltaY);
1.5402 + mPointerVelocityControl.move(when, &deltaX, &deltaY);
1.5403 +
1.5404 + mPointerController->move(deltaX, deltaY);
1.5405 + } else {
1.5406 + mPointerVelocityControl.reset();
1.5407 + }
1.5408 +
1.5409 + down = isPointerDown(mCurrentButtonState);
1.5410 + hovering = !down;
1.5411 +
1.5412 + float x, y;
1.5413 + mPointerController->getPosition(&x, &y);
1.5414 + mPointerSimple.currentCoords.copyFrom(
1.5415 + mCurrentCookedPointerData.pointerCoords[currentIndex]);
1.5416 + mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
1.5417 + mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
1.5418 + mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE,
1.5419 + hovering ? 0.0f : 1.0f);
1.5420 + mPointerSimple.currentProperties.id = 0;
1.5421 + mPointerSimple.currentProperties.toolType =
1.5422 + mCurrentCookedPointerData.pointerProperties[currentIndex].toolType;
1.5423 + } else {
1.5424 + mPointerVelocityControl.reset();
1.5425 +
1.5426 + down = false;
1.5427 + hovering = false;
1.5428 + }
1.5429 +
1.5430 + dispatchPointerSimple(when, policyFlags, down, hovering);
1.5431 +}
1.5432 +
1.5433 +void TouchInputMapper::abortPointerMouse(nsecs_t when, uint32_t policyFlags) {
1.5434 + abortPointerSimple(when, policyFlags);
1.5435 +
1.5436 + mPointerVelocityControl.reset();
1.5437 +}
1.5438 +
1.5439 +void TouchInputMapper::dispatchPointerSimple(nsecs_t when, uint32_t policyFlags,
1.5440 + bool down, bool hovering) {
1.5441 + int32_t metaState = getContext()->getGlobalMetaState();
1.5442 +
1.5443 + if (mPointerController != NULL) {
1.5444 + if (down || hovering) {
1.5445 + mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
1.5446 + mPointerController->clearSpots();
1.5447 + mPointerController->setButtonState(mCurrentButtonState);
1.5448 + mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
1.5449 + } else if (!down && !hovering && (mPointerSimple.down || mPointerSimple.hovering)) {
1.5450 + mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
1.5451 + }
1.5452 + }
1.5453 +
1.5454 + if (mPointerSimple.down && !down) {
1.5455 + mPointerSimple.down = false;
1.5456 +
1.5457 + // Send up.
1.5458 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.5459 + AMOTION_EVENT_ACTION_UP, 0, metaState, mLastButtonState, 0,
1.5460 + mViewport.displayId,
1.5461 + 1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
1.5462 + mOrientedXPrecision, mOrientedYPrecision,
1.5463 + mPointerSimple.downTime);
1.5464 + getListener()->notifyMotion(&args);
1.5465 + }
1.5466 +
1.5467 + if (mPointerSimple.hovering && !hovering) {
1.5468 + mPointerSimple.hovering = false;
1.5469 +
1.5470 + // Send hover exit.
1.5471 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.5472 + AMOTION_EVENT_ACTION_HOVER_EXIT, 0, metaState, mLastButtonState, 0,
1.5473 + mViewport.displayId,
1.5474 + 1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
1.5475 + mOrientedXPrecision, mOrientedYPrecision,
1.5476 + mPointerSimple.downTime);
1.5477 + getListener()->notifyMotion(&args);
1.5478 + }
1.5479 +
1.5480 + if (down) {
1.5481 + if (!mPointerSimple.down) {
1.5482 + mPointerSimple.down = true;
1.5483 + mPointerSimple.downTime = when;
1.5484 +
1.5485 + // Send down.
1.5486 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.5487 + AMOTION_EVENT_ACTION_DOWN, 0, metaState, mCurrentButtonState, 0,
1.5488 + mViewport.displayId,
1.5489 + 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
1.5490 + mOrientedXPrecision, mOrientedYPrecision,
1.5491 + mPointerSimple.downTime);
1.5492 + getListener()->notifyMotion(&args);
1.5493 + }
1.5494 +
1.5495 + // Send move.
1.5496 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.5497 + AMOTION_EVENT_ACTION_MOVE, 0, metaState, mCurrentButtonState, 0,
1.5498 + mViewport.displayId,
1.5499 + 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
1.5500 + mOrientedXPrecision, mOrientedYPrecision,
1.5501 + mPointerSimple.downTime);
1.5502 + getListener()->notifyMotion(&args);
1.5503 + }
1.5504 +
1.5505 + if (hovering) {
1.5506 + if (!mPointerSimple.hovering) {
1.5507 + mPointerSimple.hovering = true;
1.5508 +
1.5509 + // Send hover enter.
1.5510 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.5511 + AMOTION_EVENT_ACTION_HOVER_ENTER, 0, metaState, mCurrentButtonState, 0,
1.5512 + mViewport.displayId,
1.5513 + 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
1.5514 + mOrientedXPrecision, mOrientedYPrecision,
1.5515 + mPointerSimple.downTime);
1.5516 + getListener()->notifyMotion(&args);
1.5517 + }
1.5518 +
1.5519 + // Send hover move.
1.5520 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.5521 + AMOTION_EVENT_ACTION_HOVER_MOVE, 0, metaState, mCurrentButtonState, 0,
1.5522 + mViewport.displayId,
1.5523 + 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
1.5524 + mOrientedXPrecision, mOrientedYPrecision,
1.5525 + mPointerSimple.downTime);
1.5526 + getListener()->notifyMotion(&args);
1.5527 + }
1.5528 +
1.5529 + if (mCurrentRawVScroll || mCurrentRawHScroll) {
1.5530 + float vscroll = mCurrentRawVScroll;
1.5531 + float hscroll = mCurrentRawHScroll;
1.5532 + mWheelYVelocityControl.move(when, NULL, &vscroll);
1.5533 + mWheelXVelocityControl.move(when, &hscroll, NULL);
1.5534 +
1.5535 + // Send scroll.
1.5536 + PointerCoords pointerCoords;
1.5537 + pointerCoords.copyFrom(mPointerSimple.currentCoords);
1.5538 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
1.5539 + pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
1.5540 +
1.5541 + NotifyMotionArgs args(when, getDeviceId(), mSource, policyFlags,
1.5542 + AMOTION_EVENT_ACTION_SCROLL, 0, metaState, mCurrentButtonState, 0,
1.5543 + mViewport.displayId,
1.5544 + 1, &mPointerSimple.currentProperties, &pointerCoords,
1.5545 + mOrientedXPrecision, mOrientedYPrecision,
1.5546 + mPointerSimple.downTime);
1.5547 + getListener()->notifyMotion(&args);
1.5548 + }
1.5549 +
1.5550 + // Save state.
1.5551 + if (down || hovering) {
1.5552 + mPointerSimple.lastCoords.copyFrom(mPointerSimple.currentCoords);
1.5553 + mPointerSimple.lastProperties.copyFrom(mPointerSimple.currentProperties);
1.5554 + } else {
1.5555 + mPointerSimple.reset();
1.5556 + }
1.5557 +}
1.5558 +
1.5559 +void TouchInputMapper::abortPointerSimple(nsecs_t when, uint32_t policyFlags) {
1.5560 + mPointerSimple.currentCoords.clear();
1.5561 + mPointerSimple.currentProperties.clear();
1.5562 +
1.5563 + dispatchPointerSimple(when, policyFlags, false, false);
1.5564 +}
1.5565 +
1.5566 +void TouchInputMapper::dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32_t source,
1.5567 + int32_t action, int32_t flags, int32_t metaState, int32_t buttonState, int32_t edgeFlags,
1.5568 + const PointerProperties* properties, const PointerCoords* coords,
1.5569 + const uint32_t* idToIndex, BitSet32 idBits,
1.5570 + int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime) {
1.5571 + PointerCoords pointerCoords[MAX_POINTERS];
1.5572 + PointerProperties pointerProperties[MAX_POINTERS];
1.5573 + uint32_t pointerCount = 0;
1.5574 + while (!idBits.isEmpty()) {
1.5575 + uint32_t id = idBits.clearFirstMarkedBit();
1.5576 + uint32_t index = idToIndex[id];
1.5577 + pointerProperties[pointerCount].copyFrom(properties[index]);
1.5578 + pointerCoords[pointerCount].copyFrom(coords[index]);
1.5579 +
1.5580 + if (changedId >= 0 && id == uint32_t(changedId)) {
1.5581 + action |= pointerCount << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
1.5582 + }
1.5583 +
1.5584 + pointerCount += 1;
1.5585 + }
1.5586 +
1.5587 + ALOG_ASSERT(pointerCount != 0);
1.5588 +
1.5589 + if (changedId >= 0 && pointerCount == 1) {
1.5590 + // Replace initial down and final up action.
1.5591 + // We can compare the action without masking off the changed pointer index
1.5592 + // because we know the index is 0.
1.5593 + if (action == AMOTION_EVENT_ACTION_POINTER_DOWN) {
1.5594 + action = AMOTION_EVENT_ACTION_DOWN;
1.5595 + } else if (action == AMOTION_EVENT_ACTION_POINTER_UP) {
1.5596 + action = AMOTION_EVENT_ACTION_UP;
1.5597 + } else {
1.5598 + // Can't happen.
1.5599 + ALOG_ASSERT(false);
1.5600 + }
1.5601 + }
1.5602 +
1.5603 + NotifyMotionArgs args(when, getDeviceId(), source, policyFlags,
1.5604 + action, flags, metaState, buttonState, edgeFlags,
1.5605 + mViewport.displayId, pointerCount, pointerProperties, pointerCoords,
1.5606 + xPrecision, yPrecision, downTime);
1.5607 + getListener()->notifyMotion(&args);
1.5608 +}
1.5609 +
1.5610 +bool TouchInputMapper::updateMovedPointers(const PointerProperties* inProperties,
1.5611 + const PointerCoords* inCoords, const uint32_t* inIdToIndex,
1.5612 + PointerProperties* outProperties, PointerCoords* outCoords, const uint32_t* outIdToIndex,
1.5613 + BitSet32 idBits) const {
1.5614 + bool changed = false;
1.5615 + while (!idBits.isEmpty()) {
1.5616 + uint32_t id = idBits.clearFirstMarkedBit();
1.5617 + uint32_t inIndex = inIdToIndex[id];
1.5618 + uint32_t outIndex = outIdToIndex[id];
1.5619 +
1.5620 + const PointerProperties& curInProperties = inProperties[inIndex];
1.5621 + const PointerCoords& curInCoords = inCoords[inIndex];
1.5622 + PointerProperties& curOutProperties = outProperties[outIndex];
1.5623 + PointerCoords& curOutCoords = outCoords[outIndex];
1.5624 +
1.5625 + if (curInProperties != curOutProperties) {
1.5626 + curOutProperties.copyFrom(curInProperties);
1.5627 + changed = true;
1.5628 + }
1.5629 +
1.5630 + if (curInCoords != curOutCoords) {
1.5631 + curOutCoords.copyFrom(curInCoords);
1.5632 + changed = true;
1.5633 + }
1.5634 + }
1.5635 + return changed;
1.5636 +}
1.5637 +
1.5638 +void TouchInputMapper::fadePointer() {
1.5639 + if (mPointerController != NULL) {
1.5640 + mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
1.5641 + }
1.5642 +}
1.5643 +
1.5644 +bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) {
1.5645 + return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue
1.5646 + && y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue;
1.5647 +}
1.5648 +
1.5649 +const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(
1.5650 + int32_t x, int32_t y) {
1.5651 + size_t numVirtualKeys = mVirtualKeys.size();
1.5652 + for (size_t i = 0; i < numVirtualKeys; i++) {
1.5653 + const VirtualKey& virtualKey = mVirtualKeys[i];
1.5654 +
1.5655 +#if DEBUG_VIRTUAL_KEYS
1.5656 + ALOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
1.5657 + "left=%d, top=%d, right=%d, bottom=%d",
1.5658 + x, y,
1.5659 + virtualKey.keyCode, virtualKey.scanCode,
1.5660 + virtualKey.hitLeft, virtualKey.hitTop,
1.5661 + virtualKey.hitRight, virtualKey.hitBottom);
1.5662 +#endif
1.5663 +
1.5664 + if (virtualKey.isHit(x, y)) {
1.5665 + return & virtualKey;
1.5666 + }
1.5667 + }
1.5668 +
1.5669 + return NULL;
1.5670 +}
1.5671 +
1.5672 +void TouchInputMapper::assignPointerIds() {
1.5673 + uint32_t currentPointerCount = mCurrentRawPointerData.pointerCount;
1.5674 + uint32_t lastPointerCount = mLastRawPointerData.pointerCount;
1.5675 +
1.5676 + mCurrentRawPointerData.clearIdBits();
1.5677 +
1.5678 + if (currentPointerCount == 0) {
1.5679 + // No pointers to assign.
1.5680 + return;
1.5681 + }
1.5682 +
1.5683 + if (lastPointerCount == 0) {
1.5684 + // All pointers are new.
1.5685 + for (uint32_t i = 0; i < currentPointerCount; i++) {
1.5686 + uint32_t id = i;
1.5687 + mCurrentRawPointerData.pointers[i].id = id;
1.5688 + mCurrentRawPointerData.idToIndex[id] = i;
1.5689 + mCurrentRawPointerData.markIdBit(id, mCurrentRawPointerData.isHovering(i));
1.5690 + }
1.5691 + return;
1.5692 + }
1.5693 +
1.5694 + if (currentPointerCount == 1 && lastPointerCount == 1
1.5695 + && mCurrentRawPointerData.pointers[0].toolType
1.5696 + == mLastRawPointerData.pointers[0].toolType) {
1.5697 + // Only one pointer and no change in count so it must have the same id as before.
1.5698 + uint32_t id = mLastRawPointerData.pointers[0].id;
1.5699 + mCurrentRawPointerData.pointers[0].id = id;
1.5700 + mCurrentRawPointerData.idToIndex[id] = 0;
1.5701 + mCurrentRawPointerData.markIdBit(id, mCurrentRawPointerData.isHovering(0));
1.5702 + return;
1.5703 + }
1.5704 +
1.5705 + // General case.
1.5706 + // We build a heap of squared euclidean distances between current and last pointers
1.5707 + // associated with the current and last pointer indices. Then, we find the best
1.5708 + // match (by distance) for each current pointer.
1.5709 + // The pointers must have the same tool type but it is possible for them to
1.5710 + // transition from hovering to touching or vice-versa while retaining the same id.
1.5711 + PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
1.5712 +
1.5713 + uint32_t heapSize = 0;
1.5714 + for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
1.5715 + currentPointerIndex++) {
1.5716 + for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
1.5717 + lastPointerIndex++) {
1.5718 + const RawPointerData::Pointer& currentPointer =
1.5719 + mCurrentRawPointerData.pointers[currentPointerIndex];
1.5720 + const RawPointerData::Pointer& lastPointer =
1.5721 + mLastRawPointerData.pointers[lastPointerIndex];
1.5722 + if (currentPointer.toolType == lastPointer.toolType) {
1.5723 + int64_t deltaX = currentPointer.x - lastPointer.x;
1.5724 + int64_t deltaY = currentPointer.y - lastPointer.y;
1.5725 +
1.5726 + uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
1.5727 +
1.5728 + // Insert new element into the heap (sift up).
1.5729 + heap[heapSize].currentPointerIndex = currentPointerIndex;
1.5730 + heap[heapSize].lastPointerIndex = lastPointerIndex;
1.5731 + heap[heapSize].distance = distance;
1.5732 + heapSize += 1;
1.5733 + }
1.5734 + }
1.5735 + }
1.5736 +
1.5737 + // Heapify
1.5738 + for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
1.5739 + startIndex -= 1;
1.5740 + for (uint32_t parentIndex = startIndex; ;) {
1.5741 + uint32_t childIndex = parentIndex * 2 + 1;
1.5742 + if (childIndex >= heapSize) {
1.5743 + break;
1.5744 + }
1.5745 +
1.5746 + if (childIndex + 1 < heapSize
1.5747 + && heap[childIndex + 1].distance < heap[childIndex].distance) {
1.5748 + childIndex += 1;
1.5749 + }
1.5750 +
1.5751 + if (heap[parentIndex].distance <= heap[childIndex].distance) {
1.5752 + break;
1.5753 + }
1.5754 +
1.5755 + swap(heap[parentIndex], heap[childIndex]);
1.5756 + parentIndex = childIndex;
1.5757 + }
1.5758 + }
1.5759 +
1.5760 +#if DEBUG_POINTER_ASSIGNMENT
1.5761 + ALOGD("assignPointerIds - initial distance min-heap: size=%d", heapSize);
1.5762 + for (size_t i = 0; i < heapSize; i++) {
1.5763 + ALOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
1.5764 + i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
1.5765 + heap[i].distance);
1.5766 + }
1.5767 +#endif
1.5768 +
1.5769 + // Pull matches out by increasing order of distance.
1.5770 + // To avoid reassigning pointers that have already been matched, the loop keeps track
1.5771 + // of which last and current pointers have been matched using the matchedXXXBits variables.
1.5772 + // It also tracks the used pointer id bits.
1.5773 + BitSet32 matchedLastBits(0);
1.5774 + BitSet32 matchedCurrentBits(0);
1.5775 + BitSet32 usedIdBits(0);
1.5776 + bool first = true;
1.5777 + for (uint32_t i = min(currentPointerCount, lastPointerCount); heapSize > 0 && i > 0; i--) {
1.5778 + while (heapSize > 0) {
1.5779 + if (first) {
1.5780 + // The first time through the loop, we just consume the root element of
1.5781 + // the heap (the one with smallest distance).
1.5782 + first = false;
1.5783 + } else {
1.5784 + // Previous iterations consumed the root element of the heap.
1.5785 + // Pop root element off of the heap (sift down).
1.5786 + heap[0] = heap[heapSize];
1.5787 + for (uint32_t parentIndex = 0; ;) {
1.5788 + uint32_t childIndex = parentIndex * 2 + 1;
1.5789 + if (childIndex >= heapSize) {
1.5790 + break;
1.5791 + }
1.5792 +
1.5793 + if (childIndex + 1 < heapSize
1.5794 + && heap[childIndex + 1].distance < heap[childIndex].distance) {
1.5795 + childIndex += 1;
1.5796 + }
1.5797 +
1.5798 + if (heap[parentIndex].distance <= heap[childIndex].distance) {
1.5799 + break;
1.5800 + }
1.5801 +
1.5802 + swap(heap[parentIndex], heap[childIndex]);
1.5803 + parentIndex = childIndex;
1.5804 + }
1.5805 +
1.5806 +#if DEBUG_POINTER_ASSIGNMENT
1.5807 + ALOGD("assignPointerIds - reduced distance min-heap: size=%d", heapSize);
1.5808 + for (size_t i = 0; i < heapSize; i++) {
1.5809 + ALOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
1.5810 + i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
1.5811 + heap[i].distance);
1.5812 + }
1.5813 +#endif
1.5814 + }
1.5815 +
1.5816 + heapSize -= 1;
1.5817 +
1.5818 + uint32_t currentPointerIndex = heap[0].currentPointerIndex;
1.5819 + if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
1.5820 +
1.5821 + uint32_t lastPointerIndex = heap[0].lastPointerIndex;
1.5822 + if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
1.5823 +
1.5824 + matchedCurrentBits.markBit(currentPointerIndex);
1.5825 + matchedLastBits.markBit(lastPointerIndex);
1.5826 +
1.5827 + uint32_t id = mLastRawPointerData.pointers[lastPointerIndex].id;
1.5828 + mCurrentRawPointerData.pointers[currentPointerIndex].id = id;
1.5829 + mCurrentRawPointerData.idToIndex[id] = currentPointerIndex;
1.5830 + mCurrentRawPointerData.markIdBit(id,
1.5831 + mCurrentRawPointerData.isHovering(currentPointerIndex));
1.5832 + usedIdBits.markBit(id);
1.5833 +
1.5834 +#if DEBUG_POINTER_ASSIGNMENT
1.5835 + ALOGD("assignPointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
1.5836 + lastPointerIndex, currentPointerIndex, id, heap[0].distance);
1.5837 +#endif
1.5838 + break;
1.5839 + }
1.5840 + }
1.5841 +
1.5842 + // Assign fresh ids to pointers that were not matched in the process.
1.5843 + for (uint32_t i = currentPointerCount - matchedCurrentBits.count(); i != 0; i--) {
1.5844 + uint32_t currentPointerIndex = matchedCurrentBits.markFirstUnmarkedBit();
1.5845 + uint32_t id = usedIdBits.markFirstUnmarkedBit();
1.5846 +
1.5847 + mCurrentRawPointerData.pointers[currentPointerIndex].id = id;
1.5848 + mCurrentRawPointerData.idToIndex[id] = currentPointerIndex;
1.5849 + mCurrentRawPointerData.markIdBit(id,
1.5850 + mCurrentRawPointerData.isHovering(currentPointerIndex));
1.5851 +
1.5852 +#if DEBUG_POINTER_ASSIGNMENT
1.5853 + ALOGD("assignPointerIds - assigned: cur=%d, id=%d",
1.5854 + currentPointerIndex, id);
1.5855 +#endif
1.5856 + }
1.5857 +}
1.5858 +
1.5859 +int32_t TouchInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
1.5860 + if (mCurrentVirtualKey.down && mCurrentVirtualKey.keyCode == keyCode) {
1.5861 + return AKEY_STATE_VIRTUAL;
1.5862 + }
1.5863 +
1.5864 + size_t numVirtualKeys = mVirtualKeys.size();
1.5865 + for (size_t i = 0; i < numVirtualKeys; i++) {
1.5866 + const VirtualKey& virtualKey = mVirtualKeys[i];
1.5867 + if (virtualKey.keyCode == keyCode) {
1.5868 + return AKEY_STATE_UP;
1.5869 + }
1.5870 + }
1.5871 +
1.5872 + return AKEY_STATE_UNKNOWN;
1.5873 +}
1.5874 +
1.5875 +int32_t TouchInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
1.5876 + if (mCurrentVirtualKey.down && mCurrentVirtualKey.scanCode == scanCode) {
1.5877 + return AKEY_STATE_VIRTUAL;
1.5878 + }
1.5879 +
1.5880 + size_t numVirtualKeys = mVirtualKeys.size();
1.5881 + for (size_t i = 0; i < numVirtualKeys; i++) {
1.5882 + const VirtualKey& virtualKey = mVirtualKeys[i];
1.5883 + if (virtualKey.scanCode == scanCode) {
1.5884 + return AKEY_STATE_UP;
1.5885 + }
1.5886 + }
1.5887 +
1.5888 + return AKEY_STATE_UNKNOWN;
1.5889 +}
1.5890 +
1.5891 +bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
1.5892 + const int32_t* keyCodes, uint8_t* outFlags) {
1.5893 + size_t numVirtualKeys = mVirtualKeys.size();
1.5894 + for (size_t i = 0; i < numVirtualKeys; i++) {
1.5895 + const VirtualKey& virtualKey = mVirtualKeys[i];
1.5896 +
1.5897 + for (size_t i = 0; i < numCodes; i++) {
1.5898 + if (virtualKey.keyCode == keyCodes[i]) {
1.5899 + outFlags[i] = 1;
1.5900 + }
1.5901 + }
1.5902 + }
1.5903 +
1.5904 + return true;
1.5905 +}
1.5906 +
1.5907 +
1.5908 +// --- SingleTouchInputMapper ---
1.5909 +
1.5910 +SingleTouchInputMapper::SingleTouchInputMapper(InputDevice* device) :
1.5911 + TouchInputMapper(device) {
1.5912 +}
1.5913 +
1.5914 +SingleTouchInputMapper::~SingleTouchInputMapper() {
1.5915 +}
1.5916 +
1.5917 +void SingleTouchInputMapper::reset(nsecs_t when) {
1.5918 + mSingleTouchMotionAccumulator.reset(getDevice());
1.5919 +
1.5920 + TouchInputMapper::reset(when);
1.5921 +}
1.5922 +
1.5923 +void SingleTouchInputMapper::process(const RawEvent* rawEvent) {
1.5924 + TouchInputMapper::process(rawEvent);
1.5925 +
1.5926 + mSingleTouchMotionAccumulator.process(rawEvent);
1.5927 +}
1.5928 +
1.5929 +void SingleTouchInputMapper::syncTouch(nsecs_t when, bool* outHavePointerIds) {
1.5930 + if (mTouchButtonAccumulator.isToolActive()) {
1.5931 + mCurrentRawPointerData.pointerCount = 1;
1.5932 + mCurrentRawPointerData.idToIndex[0] = 0;
1.5933 +
1.5934 + bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE
1.5935 + && (mTouchButtonAccumulator.isHovering()
1.5936 + || (mRawPointerAxes.pressure.valid
1.5937 + && mSingleTouchMotionAccumulator.getAbsolutePressure() <= 0));
1.5938 + mCurrentRawPointerData.markIdBit(0, isHovering);
1.5939 +
1.5940 + RawPointerData::Pointer& outPointer = mCurrentRawPointerData.pointers[0];
1.5941 + outPointer.id = 0;
1.5942 + outPointer.x = mSingleTouchMotionAccumulator.getAbsoluteX();
1.5943 + outPointer.y = mSingleTouchMotionAccumulator.getAbsoluteY();
1.5944 + outPointer.pressure = mSingleTouchMotionAccumulator.getAbsolutePressure();
1.5945 + outPointer.touchMajor = 0;
1.5946 + outPointer.touchMinor = 0;
1.5947 + outPointer.toolMajor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
1.5948 + outPointer.toolMinor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
1.5949 + outPointer.orientation = 0;
1.5950 + outPointer.distance = mSingleTouchMotionAccumulator.getAbsoluteDistance();
1.5951 + outPointer.tiltX = mSingleTouchMotionAccumulator.getAbsoluteTiltX();
1.5952 + outPointer.tiltY = mSingleTouchMotionAccumulator.getAbsoluteTiltY();
1.5953 + outPointer.toolType = mTouchButtonAccumulator.getToolType();
1.5954 + if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
1.5955 + outPointer.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
1.5956 + }
1.5957 + outPointer.isHovering = isHovering;
1.5958 + }
1.5959 +}
1.5960 +
1.5961 +void SingleTouchInputMapper::configureRawPointerAxes() {
1.5962 + TouchInputMapper::configureRawPointerAxes();
1.5963 +
1.5964 + getAbsoluteAxisInfo(ABS_X, &mRawPointerAxes.x);
1.5965 + getAbsoluteAxisInfo(ABS_Y, &mRawPointerAxes.y);
1.5966 + getAbsoluteAxisInfo(ABS_PRESSURE, &mRawPointerAxes.pressure);
1.5967 + getAbsoluteAxisInfo(ABS_TOOL_WIDTH, &mRawPointerAxes.toolMajor);
1.5968 + getAbsoluteAxisInfo(ABS_DISTANCE, &mRawPointerAxes.distance);
1.5969 + getAbsoluteAxisInfo(ABS_TILT_X, &mRawPointerAxes.tiltX);
1.5970 + getAbsoluteAxisInfo(ABS_TILT_Y, &mRawPointerAxes.tiltY);
1.5971 +}
1.5972 +
1.5973 +bool SingleTouchInputMapper::hasStylus() const {
1.5974 + return mTouchButtonAccumulator.hasStylus();
1.5975 +}
1.5976 +
1.5977 +
1.5978 +// --- MultiTouchInputMapper ---
1.5979 +
1.5980 +MultiTouchInputMapper::MultiTouchInputMapper(InputDevice* device) :
1.5981 + TouchInputMapper(device) {
1.5982 +}
1.5983 +
1.5984 +MultiTouchInputMapper::~MultiTouchInputMapper() {
1.5985 +}
1.5986 +
1.5987 +void MultiTouchInputMapper::reset(nsecs_t when) {
1.5988 + mMultiTouchMotionAccumulator.reset(getDevice());
1.5989 +
1.5990 + mPointerIdBits.clear();
1.5991 +
1.5992 + TouchInputMapper::reset(when);
1.5993 +}
1.5994 +
1.5995 +void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
1.5996 + TouchInputMapper::process(rawEvent);
1.5997 +
1.5998 + mMultiTouchMotionAccumulator.process(rawEvent);
1.5999 +}
1.6000 +
1.6001 +void MultiTouchInputMapper::syncTouch(nsecs_t when, bool* outHavePointerIds) {
1.6002 + size_t inCount = mMultiTouchMotionAccumulator.getSlotCount();
1.6003 + size_t outCount = 0;
1.6004 + BitSet32 newPointerIdBits;
1.6005 +
1.6006 + for (size_t inIndex = 0; inIndex < inCount; inIndex++) {
1.6007 + const MultiTouchMotionAccumulator::Slot* inSlot =
1.6008 + mMultiTouchMotionAccumulator.getSlot(inIndex);
1.6009 + if (!inSlot->isInUse()) {
1.6010 + continue;
1.6011 + }
1.6012 +
1.6013 + if (outCount >= MAX_POINTERS) {
1.6014 +#if DEBUG_POINTERS
1.6015 + ALOGD("MultiTouch device %s emitted more than maximum of %d pointers; "
1.6016 + "ignoring the rest.",
1.6017 + getDeviceName().string(), MAX_POINTERS);
1.6018 +#endif
1.6019 + break; // too many fingers!
1.6020 + }
1.6021 +
1.6022 + RawPointerData::Pointer& outPointer = mCurrentRawPointerData.pointers[outCount];
1.6023 + outPointer.x = inSlot->getX();
1.6024 + outPointer.y = inSlot->getY();
1.6025 + outPointer.pressure = inSlot->getPressure();
1.6026 + outPointer.touchMajor = inSlot->getTouchMajor();
1.6027 + outPointer.touchMinor = inSlot->getTouchMinor();
1.6028 + outPointer.toolMajor = inSlot->getToolMajor();
1.6029 + outPointer.toolMinor = inSlot->getToolMinor();
1.6030 + outPointer.orientation = inSlot->getOrientation();
1.6031 + outPointer.distance = inSlot->getDistance();
1.6032 + outPointer.tiltX = 0;
1.6033 + outPointer.tiltY = 0;
1.6034 +
1.6035 + outPointer.toolType = inSlot->getToolType();
1.6036 + if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
1.6037 + outPointer.toolType = mTouchButtonAccumulator.getToolType();
1.6038 + if (outPointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) {
1.6039 + outPointer.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
1.6040 + }
1.6041 + }
1.6042 +
1.6043 + bool isHovering = mTouchButtonAccumulator.getToolType() != AMOTION_EVENT_TOOL_TYPE_MOUSE
1.6044 + && (mTouchButtonAccumulator.isHovering()
1.6045 + || (mRawPointerAxes.pressure.valid && inSlot->getPressure() <= 0));
1.6046 + outPointer.isHovering = isHovering;
1.6047 +
1.6048 + // Assign pointer id using tracking id if available.
1.6049 + if (*outHavePointerIds) {
1.6050 + int32_t trackingId = inSlot->getTrackingId();
1.6051 + int32_t id = -1;
1.6052 + if (trackingId >= 0) {
1.6053 + for (BitSet32 idBits(mPointerIdBits); !idBits.isEmpty(); ) {
1.6054 + uint32_t n = idBits.clearFirstMarkedBit();
1.6055 + if (mPointerTrackingIdMap[n] == trackingId) {
1.6056 + id = n;
1.6057 + }
1.6058 + }
1.6059 +
1.6060 + if (id < 0 && !mPointerIdBits.isFull()) {
1.6061 + id = mPointerIdBits.markFirstUnmarkedBit();
1.6062 + mPointerTrackingIdMap[id] = trackingId;
1.6063 + }
1.6064 + }
1.6065 + if (id < 0) {
1.6066 + *outHavePointerIds = false;
1.6067 + mCurrentRawPointerData.clearIdBits();
1.6068 + newPointerIdBits.clear();
1.6069 + } else {
1.6070 + outPointer.id = id;
1.6071 + mCurrentRawPointerData.idToIndex[id] = outCount;
1.6072 + mCurrentRawPointerData.markIdBit(id, isHovering);
1.6073 + newPointerIdBits.markBit(id);
1.6074 + }
1.6075 + }
1.6076 +
1.6077 + outCount += 1;
1.6078 + }
1.6079 +
1.6080 + mCurrentRawPointerData.pointerCount = outCount;
1.6081 + mPointerIdBits = newPointerIdBits;
1.6082 +
1.6083 + mMultiTouchMotionAccumulator.finishSync();
1.6084 +}
1.6085 +
1.6086 +void MultiTouchInputMapper::configureRawPointerAxes() {
1.6087 + TouchInputMapper::configureRawPointerAxes();
1.6088 +
1.6089 + getAbsoluteAxisInfo(ABS_MT_POSITION_X, &mRawPointerAxes.x);
1.6090 + getAbsoluteAxisInfo(ABS_MT_POSITION_Y, &mRawPointerAxes.y);
1.6091 + getAbsoluteAxisInfo(ABS_MT_TOUCH_MAJOR, &mRawPointerAxes.touchMajor);
1.6092 + getAbsoluteAxisInfo(ABS_MT_TOUCH_MINOR, &mRawPointerAxes.touchMinor);
1.6093 + getAbsoluteAxisInfo(ABS_MT_WIDTH_MAJOR, &mRawPointerAxes.toolMajor);
1.6094 + getAbsoluteAxisInfo(ABS_MT_WIDTH_MINOR, &mRawPointerAxes.toolMinor);
1.6095 + getAbsoluteAxisInfo(ABS_MT_ORIENTATION, &mRawPointerAxes.orientation);
1.6096 + getAbsoluteAxisInfo(ABS_MT_PRESSURE, &mRawPointerAxes.pressure);
1.6097 + getAbsoluteAxisInfo(ABS_MT_DISTANCE, &mRawPointerAxes.distance);
1.6098 + getAbsoluteAxisInfo(ABS_MT_TRACKING_ID, &mRawPointerAxes.trackingId);
1.6099 + getAbsoluteAxisInfo(ABS_MT_SLOT, &mRawPointerAxes.slot);
1.6100 +
1.6101 + if (mRawPointerAxes.trackingId.valid
1.6102 + && mRawPointerAxes.slot.valid
1.6103 + && mRawPointerAxes.slot.minValue == 0 && mRawPointerAxes.slot.maxValue > 0) {
1.6104 + size_t slotCount = mRawPointerAxes.slot.maxValue + 1;
1.6105 + if (slotCount > MAX_SLOTS) {
1.6106 + ALOGW("MultiTouch Device %s reported %d slots but the framework "
1.6107 + "only supports a maximum of %d slots at this time.",
1.6108 + getDeviceName().string(), slotCount, MAX_SLOTS);
1.6109 + slotCount = MAX_SLOTS;
1.6110 + }
1.6111 + mMultiTouchMotionAccumulator.configure(getDevice(),
1.6112 + slotCount, true /*usingSlotsProtocol*/);
1.6113 + } else {
1.6114 + mMultiTouchMotionAccumulator.configure(getDevice(),
1.6115 + MAX_POINTERS, false /*usingSlotsProtocol*/);
1.6116 + }
1.6117 +}
1.6118 +
1.6119 +bool MultiTouchInputMapper::hasStylus() const {
1.6120 + return mMultiTouchMotionAccumulator.hasStylus()
1.6121 + || mTouchButtonAccumulator.hasStylus();
1.6122 +}
1.6123 +
1.6124 +
1.6125 +// --- JoystickInputMapper ---
1.6126 +
1.6127 +JoystickInputMapper::JoystickInputMapper(InputDevice* device) :
1.6128 + InputMapper(device) {
1.6129 +}
1.6130 +
1.6131 +JoystickInputMapper::~JoystickInputMapper() {
1.6132 +}
1.6133 +
1.6134 +uint32_t JoystickInputMapper::getSources() {
1.6135 + return AINPUT_SOURCE_JOYSTICK;
1.6136 +}
1.6137 +
1.6138 +void JoystickInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
1.6139 + InputMapper::populateDeviceInfo(info);
1.6140 +
1.6141 + for (size_t i = 0; i < mAxes.size(); i++) {
1.6142 + const Axis& axis = mAxes.valueAt(i);
1.6143 + addMotionRange(axis.axisInfo.axis, axis, info);
1.6144 +
1.6145 + if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
1.6146 + addMotionRange(axis.axisInfo.highAxis, axis, info);
1.6147 +
1.6148 + }
1.6149 + }
1.6150 +}
1.6151 +
1.6152 +void JoystickInputMapper::addMotionRange(int32_t axisId, const Axis& axis,
1.6153 + InputDeviceInfo* info) {
1.6154 + info->addMotionRange(axisId, AINPUT_SOURCE_JOYSTICK,
1.6155 + axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
1.6156 + /* In order to ease the transition for developers from using the old axes
1.6157 + * to the newer, more semantically correct axes, we'll continue to register
1.6158 + * the old axes as duplicates of their corresponding new ones. */
1.6159 + int32_t compatAxis = getCompatAxis(axisId);
1.6160 + if (compatAxis >= 0) {
1.6161 + info->addMotionRange(compatAxis, AINPUT_SOURCE_JOYSTICK,
1.6162 + axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
1.6163 + }
1.6164 +}
1.6165 +
1.6166 +/* A mapping from axes the joystick actually has to the axes that should be
1.6167 + * artificially created for compatibility purposes.
1.6168 + * Returns -1 if no compatibility axis is needed. */
1.6169 +int32_t JoystickInputMapper::getCompatAxis(int32_t axis) {
1.6170 + switch(axis) {
1.6171 + case AMOTION_EVENT_AXIS_LTRIGGER:
1.6172 + return AMOTION_EVENT_AXIS_BRAKE;
1.6173 + case AMOTION_EVENT_AXIS_RTRIGGER:
1.6174 + return AMOTION_EVENT_AXIS_GAS;
1.6175 + }
1.6176 + return -1;
1.6177 +}
1.6178 +
1.6179 +void JoystickInputMapper::dump(String8& dump) {
1.6180 + dump.append(INDENT2 "Joystick Input Mapper:\n");
1.6181 +
1.6182 + dump.append(INDENT3 "Axes:\n");
1.6183 + size_t numAxes = mAxes.size();
1.6184 + for (size_t i = 0; i < numAxes; i++) {
1.6185 + const Axis& axis = mAxes.valueAt(i);
1.6186 + const char* label = getAxisLabel(axis.axisInfo.axis);
1.6187 + if (label) {
1.6188 + dump.appendFormat(INDENT4 "%s", label);
1.6189 + } else {
1.6190 + dump.appendFormat(INDENT4 "%d", axis.axisInfo.axis);
1.6191 + }
1.6192 + if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
1.6193 + label = getAxisLabel(axis.axisInfo.highAxis);
1.6194 + if (label) {
1.6195 + dump.appendFormat(" / %s (split at %d)", label, axis.axisInfo.splitValue);
1.6196 + } else {
1.6197 + dump.appendFormat(" / %d (split at %d)", axis.axisInfo.highAxis,
1.6198 + axis.axisInfo.splitValue);
1.6199 + }
1.6200 + } else if (axis.axisInfo.mode == AxisInfo::MODE_INVERT) {
1.6201 + dump.append(" (invert)");
1.6202 + }
1.6203 +
1.6204 + dump.appendFormat(": min=%0.5f, max=%0.5f, flat=%0.5f, fuzz=%0.5f, resolution=%0.5f\n",
1.6205 + axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
1.6206 + dump.appendFormat(INDENT4 " scale=%0.5f, offset=%0.5f, "
1.6207 + "highScale=%0.5f, highOffset=%0.5f\n",
1.6208 + axis.scale, axis.offset, axis.highScale, axis.highOffset);
1.6209 + dump.appendFormat(INDENT4 " rawAxis=%d, rawMin=%d, rawMax=%d, "
1.6210 + "rawFlat=%d, rawFuzz=%d, rawResolution=%d\n",
1.6211 + mAxes.keyAt(i), axis.rawAxisInfo.minValue, axis.rawAxisInfo.maxValue,
1.6212 + axis.rawAxisInfo.flat, axis.rawAxisInfo.fuzz, axis.rawAxisInfo.resolution);
1.6213 + }
1.6214 +}
1.6215 +
1.6216 +void JoystickInputMapper::configure(nsecs_t when,
1.6217 + const InputReaderConfiguration* config, uint32_t changes) {
1.6218 + InputMapper::configure(when, config, changes);
1.6219 +
1.6220 + if (!changes) { // first time only
1.6221 + // Collect all axes.
1.6222 + for (int32_t abs = 0; abs <= ABS_MAX; abs++) {
1.6223 + if (!(getAbsAxisUsage(abs, getDevice()->getClasses())
1.6224 + & INPUT_DEVICE_CLASS_JOYSTICK)) {
1.6225 + continue; // axis must be claimed by a different device
1.6226 + }
1.6227 +
1.6228 + RawAbsoluteAxisInfo rawAxisInfo;
1.6229 + getAbsoluteAxisInfo(abs, &rawAxisInfo);
1.6230 + if (rawAxisInfo.valid) {
1.6231 + // Map axis.
1.6232 + AxisInfo axisInfo;
1.6233 + bool explicitlyMapped = !getEventHub()->mapAxis(getDeviceId(), abs, &axisInfo);
1.6234 + if (!explicitlyMapped) {
1.6235 + // Axis is not explicitly mapped, will choose a generic axis later.
1.6236 + axisInfo.mode = AxisInfo::MODE_NORMAL;
1.6237 + axisInfo.axis = -1;
1.6238 + }
1.6239 +
1.6240 + // Apply flat override.
1.6241 + int32_t rawFlat = axisInfo.flatOverride < 0
1.6242 + ? rawAxisInfo.flat : axisInfo.flatOverride;
1.6243 +
1.6244 + // Calculate scaling factors and limits.
1.6245 + Axis axis;
1.6246 + if (axisInfo.mode == AxisInfo::MODE_SPLIT) {
1.6247 + float scale = 1.0f / (axisInfo.splitValue - rawAxisInfo.minValue);
1.6248 + float highScale = 1.0f / (rawAxisInfo.maxValue - axisInfo.splitValue);
1.6249 + axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
1.6250 + scale, 0.0f, highScale, 0.0f,
1.6251 + 0.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
1.6252 + rawAxisInfo.resolution * scale);
1.6253 + } else if (isCenteredAxis(axisInfo.axis)) {
1.6254 + float scale = 2.0f / (rawAxisInfo.maxValue - rawAxisInfo.minValue);
1.6255 + float offset = avg(rawAxisInfo.minValue, rawAxisInfo.maxValue) * -scale;
1.6256 + axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
1.6257 + scale, offset, scale, offset,
1.6258 + -1.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
1.6259 + rawAxisInfo.resolution * scale);
1.6260 + } else {
1.6261 + float scale = 1.0f / (rawAxisInfo.maxValue - rawAxisInfo.minValue);
1.6262 + axis.initialize(rawAxisInfo, axisInfo, explicitlyMapped,
1.6263 + scale, 0.0f, scale, 0.0f,
1.6264 + 0.0f, 1.0f, rawFlat * scale, rawAxisInfo.fuzz * scale,
1.6265 + rawAxisInfo.resolution * scale);
1.6266 + }
1.6267 +
1.6268 + // To eliminate noise while the joystick is at rest, filter out small variations
1.6269 + // in axis values up front.
1.6270 + axis.filter = axis.flat * 0.25f;
1.6271 +
1.6272 + mAxes.add(abs, axis);
1.6273 + }
1.6274 + }
1.6275 +
1.6276 + // If there are too many axes, start dropping them.
1.6277 + // Prefer to keep explicitly mapped axes.
1.6278 + if (mAxes.size() > PointerCoords::MAX_AXES) {
1.6279 + ALOGI("Joystick '%s' has %d axes but the framework only supports a maximum of %d.",
1.6280 + getDeviceName().string(), mAxes.size(), PointerCoords::MAX_AXES);
1.6281 + pruneAxes(true);
1.6282 + pruneAxes(false);
1.6283 + }
1.6284 +
1.6285 + // Assign generic axis ids to remaining axes.
1.6286 + int32_t nextGenericAxisId = AMOTION_EVENT_AXIS_GENERIC_1;
1.6287 + size_t numAxes = mAxes.size();
1.6288 + for (size_t i = 0; i < numAxes; i++) {
1.6289 + Axis& axis = mAxes.editValueAt(i);
1.6290 + if (axis.axisInfo.axis < 0) {
1.6291 + while (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16
1.6292 + && haveAxis(nextGenericAxisId)) {
1.6293 + nextGenericAxisId += 1;
1.6294 + }
1.6295 +
1.6296 + if (nextGenericAxisId <= AMOTION_EVENT_AXIS_GENERIC_16) {
1.6297 + axis.axisInfo.axis = nextGenericAxisId;
1.6298 + nextGenericAxisId += 1;
1.6299 + } else {
1.6300 + ALOGI("Ignoring joystick '%s' axis %d because all of the generic axis ids "
1.6301 + "have already been assigned to other axes.",
1.6302 + getDeviceName().string(), mAxes.keyAt(i));
1.6303 + mAxes.removeItemsAt(i--);
1.6304 + numAxes -= 1;
1.6305 + }
1.6306 + }
1.6307 + }
1.6308 + }
1.6309 +}
1.6310 +
1.6311 +bool JoystickInputMapper::haveAxis(int32_t axisId) {
1.6312 + size_t numAxes = mAxes.size();
1.6313 + for (size_t i = 0; i < numAxes; i++) {
1.6314 + const Axis& axis = mAxes.valueAt(i);
1.6315 + if (axis.axisInfo.axis == axisId
1.6316 + || (axis.axisInfo.mode == AxisInfo::MODE_SPLIT
1.6317 + && axis.axisInfo.highAxis == axisId)) {
1.6318 + return true;
1.6319 + }
1.6320 + }
1.6321 + return false;
1.6322 +}
1.6323 +
1.6324 +void JoystickInputMapper::pruneAxes(bool ignoreExplicitlyMappedAxes) {
1.6325 + size_t i = mAxes.size();
1.6326 + while (mAxes.size() > PointerCoords::MAX_AXES && i-- > 0) {
1.6327 + if (ignoreExplicitlyMappedAxes && mAxes.valueAt(i).explicitlyMapped) {
1.6328 + continue;
1.6329 + }
1.6330 + ALOGI("Discarding joystick '%s' axis %d because there are too many axes.",
1.6331 + getDeviceName().string(), mAxes.keyAt(i));
1.6332 + mAxes.removeItemsAt(i);
1.6333 + }
1.6334 +}
1.6335 +
1.6336 +bool JoystickInputMapper::isCenteredAxis(int32_t axis) {
1.6337 + switch (axis) {
1.6338 + case AMOTION_EVENT_AXIS_X:
1.6339 + case AMOTION_EVENT_AXIS_Y:
1.6340 + case AMOTION_EVENT_AXIS_Z:
1.6341 + case AMOTION_EVENT_AXIS_RX:
1.6342 + case AMOTION_EVENT_AXIS_RY:
1.6343 + case AMOTION_EVENT_AXIS_RZ:
1.6344 + case AMOTION_EVENT_AXIS_HAT_X:
1.6345 + case AMOTION_EVENT_AXIS_HAT_Y:
1.6346 + case AMOTION_EVENT_AXIS_ORIENTATION:
1.6347 + case AMOTION_EVENT_AXIS_RUDDER:
1.6348 + case AMOTION_EVENT_AXIS_WHEEL:
1.6349 + return true;
1.6350 + default:
1.6351 + return false;
1.6352 + }
1.6353 +}
1.6354 +
1.6355 +void JoystickInputMapper::reset(nsecs_t when) {
1.6356 + // Recenter all axes.
1.6357 + size_t numAxes = mAxes.size();
1.6358 + for (size_t i = 0; i < numAxes; i++) {
1.6359 + Axis& axis = mAxes.editValueAt(i);
1.6360 + axis.resetValue();
1.6361 + }
1.6362 +
1.6363 + InputMapper::reset(when);
1.6364 +}
1.6365 +
1.6366 +void JoystickInputMapper::process(const RawEvent* rawEvent) {
1.6367 + switch (rawEvent->type) {
1.6368 + case EV_ABS: {
1.6369 + ssize_t index = mAxes.indexOfKey(rawEvent->code);
1.6370 + if (index >= 0) {
1.6371 + Axis& axis = mAxes.editValueAt(index);
1.6372 + float newValue, highNewValue;
1.6373 + switch (axis.axisInfo.mode) {
1.6374 + case AxisInfo::MODE_INVERT:
1.6375 + newValue = (axis.rawAxisInfo.maxValue - rawEvent->value)
1.6376 + * axis.scale + axis.offset;
1.6377 + highNewValue = 0.0f;
1.6378 + break;
1.6379 + case AxisInfo::MODE_SPLIT:
1.6380 + if (rawEvent->value < axis.axisInfo.splitValue) {
1.6381 + newValue = (axis.axisInfo.splitValue - rawEvent->value)
1.6382 + * axis.scale + axis.offset;
1.6383 + highNewValue = 0.0f;
1.6384 + } else if (rawEvent->value > axis.axisInfo.splitValue) {
1.6385 + newValue = 0.0f;
1.6386 + highNewValue = (rawEvent->value - axis.axisInfo.splitValue)
1.6387 + * axis.highScale + axis.highOffset;
1.6388 + } else {
1.6389 + newValue = 0.0f;
1.6390 + highNewValue = 0.0f;
1.6391 + }
1.6392 + break;
1.6393 + default:
1.6394 + newValue = rawEvent->value * axis.scale + axis.offset;
1.6395 + highNewValue = 0.0f;
1.6396 + break;
1.6397 + }
1.6398 + axis.newValue = newValue;
1.6399 + axis.highNewValue = highNewValue;
1.6400 + }
1.6401 + break;
1.6402 + }
1.6403 +
1.6404 + case EV_SYN:
1.6405 + switch (rawEvent->code) {
1.6406 + case SYN_REPORT:
1.6407 + sync(rawEvent->when, false /*force*/);
1.6408 + break;
1.6409 + }
1.6410 + break;
1.6411 + }
1.6412 +}
1.6413 +
1.6414 +void JoystickInputMapper::sync(nsecs_t when, bool force) {
1.6415 + if (!filterAxes(force)) {
1.6416 + return;
1.6417 + }
1.6418 +
1.6419 + int32_t metaState = mContext->getGlobalMetaState();
1.6420 + int32_t buttonState = 0;
1.6421 +
1.6422 + PointerProperties pointerProperties;
1.6423 + pointerProperties.clear();
1.6424 + pointerProperties.id = 0;
1.6425 + pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
1.6426 +
1.6427 + PointerCoords pointerCoords;
1.6428 + pointerCoords.clear();
1.6429 +
1.6430 + size_t numAxes = mAxes.size();
1.6431 + for (size_t i = 0; i < numAxes; i++) {
1.6432 + const Axis& axis = mAxes.valueAt(i);
1.6433 + setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.axis, axis.currentValue);
1.6434 + if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
1.6435 + setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.highAxis,
1.6436 + axis.highCurrentValue);
1.6437 + }
1.6438 + }
1.6439 +
1.6440 + // Moving a joystick axis should not wake the device because joysticks can
1.6441 + // be fairly noisy even when not in use. On the other hand, pushing a gamepad
1.6442 + // button will likely wake the device.
1.6443 + // TODO: Use the input device configuration to control this behavior more finely.
1.6444 + uint32_t policyFlags = 0;
1.6445 +
1.6446 + NotifyMotionArgs args(when, getDeviceId(), AINPUT_SOURCE_JOYSTICK, policyFlags,
1.6447 + AMOTION_EVENT_ACTION_MOVE, 0, metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
1.6448 + ADISPLAY_ID_NONE, 1, &pointerProperties, &pointerCoords, 0, 0, 0);
1.6449 + getListener()->notifyMotion(&args);
1.6450 +}
1.6451 +
1.6452 +void JoystickInputMapper::setPointerCoordsAxisValue(PointerCoords* pointerCoords,
1.6453 + int32_t axis, float value) {
1.6454 + pointerCoords->setAxisValue(axis, value);
1.6455 + /* In order to ease the transition for developers from using the old axes
1.6456 + * to the newer, more semantically correct axes, we'll continue to produce
1.6457 + * values for the old axes as mirrors of the value of their corresponding
1.6458 + * new axes. */
1.6459 + int32_t compatAxis = getCompatAxis(axis);
1.6460 + if (compatAxis >= 0) {
1.6461 + pointerCoords->setAxisValue(compatAxis, value);
1.6462 + }
1.6463 +}
1.6464 +
1.6465 +bool JoystickInputMapper::filterAxes(bool force) {
1.6466 + bool atLeastOneSignificantChange = force;
1.6467 + size_t numAxes = mAxes.size();
1.6468 + for (size_t i = 0; i < numAxes; i++) {
1.6469 + Axis& axis = mAxes.editValueAt(i);
1.6470 + if (force || hasValueChangedSignificantly(axis.filter,
1.6471 + axis.newValue, axis.currentValue, axis.min, axis.max)) {
1.6472 + axis.currentValue = axis.newValue;
1.6473 + atLeastOneSignificantChange = true;
1.6474 + }
1.6475 + if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
1.6476 + if (force || hasValueChangedSignificantly(axis.filter,
1.6477 + axis.highNewValue, axis.highCurrentValue, axis.min, axis.max)) {
1.6478 + axis.highCurrentValue = axis.highNewValue;
1.6479 + atLeastOneSignificantChange = true;
1.6480 + }
1.6481 + }
1.6482 + }
1.6483 + return atLeastOneSignificantChange;
1.6484 +}
1.6485 +
1.6486 +bool JoystickInputMapper::hasValueChangedSignificantly(
1.6487 + float filter, float newValue, float currentValue, float min, float max) {
1.6488 + if (newValue != currentValue) {
1.6489 + // Filter out small changes in value unless the value is converging on the axis
1.6490 + // bounds or center point. This is intended to reduce the amount of information
1.6491 + // sent to applications by particularly noisy joysticks (such as PS3).
1.6492 + if (fabs(newValue - currentValue) > filter
1.6493 + || hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, min)
1.6494 + || hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, max)
1.6495 + || hasMovedNearerToValueWithinFilteredRange(filter, newValue, currentValue, 0)) {
1.6496 + return true;
1.6497 + }
1.6498 + }
1.6499 + return false;
1.6500 +}
1.6501 +
1.6502 +bool JoystickInputMapper::hasMovedNearerToValueWithinFilteredRange(
1.6503 + float filter, float newValue, float currentValue, float thresholdValue) {
1.6504 + float newDistance = fabs(newValue - thresholdValue);
1.6505 + if (newDistance < filter) {
1.6506 + float oldDistance = fabs(currentValue - thresholdValue);
1.6507 + if (newDistance < oldDistance) {
1.6508 + return true;
1.6509 + }
1.6510 + }
1.6511 + return false;
1.6512 +}
1.6513 +
1.6514 +} // namespace android
