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widget/gonk/libui/InputDevice.h@fc2d59ddac77 (annotated)

widget/gonk/libui/InputDevice.h

Wed, 31 Dec 2014 07:22:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:22:50 +0100
branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
permissions
-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0 1 /*
michael@0 2 * Copyright (C) 2012 The Android Open Source Project
michael@0 3 *
michael@0 4 * Licensed under the Apache License, Version 2.0 (the "License");
michael@0 5 * you may not use this file except in compliance with the License.
michael@0 6 * You may obtain a copy of the License at
michael@0 7 *
michael@0 8 * http://www.apache.org/licenses/LICENSE-2.0
michael@0 9 *
michael@0 10 * Unless required by applicable law or agreed to in writing, software
michael@0 11 * distributed under the License is distributed on an "AS IS" BASIS,
michael@0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0 13 * See the License for the specific language governing permissions and
michael@0 14 * limitations under the License.
michael@0 15 */
michael@0 16
michael@0 17 #ifndef _ANDROIDFW_INPUT_DEVICE_H
michael@0 18 #define _ANDROIDFW_INPUT_DEVICE_H
michael@0 19
michael@0 20 #include "Input.h"
michael@0 21 #include "KeyCharacterMap.h"
michael@0 22
michael@0 23 namespace android {
michael@0 24
michael@0 25 /*
michael@0 26 * Identifies a device.
michael@0 27 */
michael@0 28 struct InputDeviceIdentifier {
michael@0 29 inline InputDeviceIdentifier() :
michael@0 30 bus(0), vendor(0), product(0), version(0) {
michael@0 31 }
michael@0 32
michael@0 33 // Information provided by the kernel.
michael@0 34 String8 name;
michael@0 35 String8 location;
michael@0 36 String8 uniqueId;
michael@0 37 uint16_t bus;
michael@0 38 uint16_t vendor;
michael@0 39 uint16_t product;
michael@0 40 uint16_t version;
michael@0 41
michael@0 42 // A composite input device descriptor string that uniquely identifies the device
michael@0 43 // even across reboots or reconnections. The value of this field is used by
michael@0 44 // upper layers of the input system to associate settings with individual devices.
michael@0 45 // It is hashed from whatever kernel provided information is available.
michael@0 46 // Ideally, the way this value is computed should not change between Android releases
michael@0 47 // because that would invalidate persistent settings that rely on it.
michael@0 48 String8 descriptor;
michael@0 49 };
michael@0 50
michael@0 51 /*
michael@0 52 * Describes the characteristics and capabilities of an input device.
michael@0 53 */
michael@0 54 class InputDeviceInfo {
michael@0 55 public:
michael@0 56 InputDeviceInfo();
michael@0 57 InputDeviceInfo(const InputDeviceInfo& other);
michael@0 58 ~InputDeviceInfo();
michael@0 59
michael@0 60 struct MotionRange {
michael@0 61 int32_t axis;
michael@0 62 uint32_t source;
michael@0 63 float min;
michael@0 64 float max;
michael@0 65 float flat;
michael@0 66 float fuzz;
michael@0 67 float resolution;
michael@0 68 };
michael@0 69
michael@0 70 void initialize(int32_t id, int32_t generation, const InputDeviceIdentifier& identifier,
michael@0 71 const String8& alias, bool isExternal);
michael@0 72
michael@0 73 inline int32_t getId() const { return mId; }
michael@0 74 inline int32_t getGeneration() const { return mGeneration; }
michael@0 75 inline const InputDeviceIdentifier& getIdentifier() const { return mIdentifier; }
michael@0 76 inline const String8& getAlias() const { return mAlias; }
michael@0 77 inline const String8& getDisplayName() const {
michael@0 78 return mAlias.isEmpty() ? mIdentifier.name : mAlias;
michael@0 79 }
michael@0 80 inline bool isExternal() const { return mIsExternal; }
michael@0 81 inline uint32_t getSources() const { return mSources; }
michael@0 82
michael@0 83 const MotionRange* getMotionRange(int32_t axis, uint32_t source) const;
michael@0 84
michael@0 85 void addSource(uint32_t source);
michael@0 86 void addMotionRange(int32_t axis, uint32_t source,
michael@0 87 float min, float max, float flat, float fuzz, float resolution);
michael@0 88 void addMotionRange(const MotionRange& range);
michael@0 89
michael@0 90 inline void setKeyboardType(int32_t keyboardType) { mKeyboardType = keyboardType; }
michael@0 91 inline int32_t getKeyboardType() const { return mKeyboardType; }
michael@0 92
michael@0 93 inline void setKeyCharacterMap(const sp<KeyCharacterMap>& value) {
michael@0 94 mKeyCharacterMap = value;
michael@0 95 }
michael@0 96
michael@0 97 inline sp<KeyCharacterMap> getKeyCharacterMap() const {
michael@0 98 return mKeyCharacterMap;
michael@0 99 }
michael@0 100
michael@0 101 inline void setVibrator(bool hasVibrator) { mHasVibrator = hasVibrator; }
michael@0 102 inline bool hasVibrator() const { return mHasVibrator; }
michael@0 103
michael@0 104 inline const Vector<MotionRange>& getMotionRanges() const {
michael@0 105 return mMotionRanges;
michael@0 106 }
michael@0 107
michael@0 108 private:
michael@0 109 int32_t mId;
michael@0 110 int32_t mGeneration;
michael@0 111 InputDeviceIdentifier mIdentifier;
michael@0 112 String8 mAlias;
michael@0 113 bool mIsExternal;
michael@0 114 uint32_t mSources;
michael@0 115 int32_t mKeyboardType;
michael@0 116 sp<KeyCharacterMap> mKeyCharacterMap;
michael@0 117 bool mHasVibrator;
michael@0 118
michael@0 119 Vector<MotionRange> mMotionRanges;
michael@0 120 };
michael@0 121
michael@0 122 /* Types of input device configuration files. */
michael@0 123 enum InputDeviceConfigurationFileType {
michael@0 124 INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION = 0, /* .idc file */
michael@0 125 INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_LAYOUT = 1, /* .kl file */
michael@0 126 INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP = 2, /* .kcm file */
michael@0 127 };
michael@0 128
michael@0 129 /*
michael@0 130 * Gets the path of an input device configuration file, if one is available.
michael@0 131 * Considers both system provided and user installed configuration files.
michael@0 132 *
michael@0 133 * The device identifier is used to construct several default configuration file
michael@0 134 * names to try based on the device name, vendor, product, and version.
michael@0 135 *
michael@0 136 * Returns an empty string if not found.
michael@0 137 */
michael@0 138 extern String8 getInputDeviceConfigurationFilePathByDeviceIdentifier(
michael@0 139 const InputDeviceIdentifier& deviceIdentifier,
michael@0 140 InputDeviceConfigurationFileType type);
michael@0 141
michael@0 142 /*
michael@0 143 * Gets the path of an input device configuration file, if one is available.
michael@0 144 * Considers both system provided and user installed configuration files.
michael@0 145 *
michael@0 146 * The name is case-sensitive and is used to construct the filename to resolve.
michael@0 147 * All characters except 'a'-'z', 'A'-'Z', '0'-'9', '-', and '_' are replaced by underscores.
michael@0 148 *
michael@0 149 * Returns an empty string if not found.
michael@0 150 */
michael@0 151 extern String8 getInputDeviceConfigurationFilePathByName(
michael@0 152 const String8& name, InputDeviceConfigurationFileType type);
michael@0 153
michael@0 154 } // namespace android
michael@0 155
michael@0 156 #endif // _ANDROIDFW_INPUT_DEVICE_H

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