1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/gonk/libui/InputWindow.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,205 @@
1.4 +/*
1.5 + * Copyright (C) 2011 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 +#ifndef _UI_INPUT_WINDOW_H
1.21 +#define _UI_INPUT_WINDOW_H
1.22 +
1.23 +#include "Input.h"
1.24 +#include "InputTransport.h"
1.25 +#include <utils/RefBase.h>
1.26 +#include <utils/Timers.h>
1.27 +#include <utils/String8.h>
1.28 +
1.29 +#include <SkRegion.h>
1.30 +
1.31 +#include "InputApplication.h"
1.32 +
1.33 +namespace android {
1.34 +
1.35 +/*
1.36 + * Describes the properties of a window that can receive input.
1.37 + */
1.38 +struct InputWindowInfo {
1.39 + // Window flags from WindowManager.LayoutParams
1.40 + enum {
1.41 + FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001,
1.42 + FLAG_DIM_BEHIND = 0x00000002,
1.43 + FLAG_BLUR_BEHIND = 0x00000004,
1.44 + FLAG_NOT_FOCUSABLE = 0x00000008,
1.45 + FLAG_NOT_TOUCHABLE = 0x00000010,
1.46 + FLAG_NOT_TOUCH_MODAL = 0x00000020,
1.47 + FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040,
1.48 + FLAG_KEEP_SCREEN_ON = 0x00000080,
1.49 + FLAG_LAYOUT_IN_SCREEN = 0x00000100,
1.50 + FLAG_LAYOUT_NO_LIMITS = 0x00000200,
1.51 + FLAG_FULLSCREEN = 0x00000400,
1.52 + FLAG_FORCE_NOT_FULLSCREEN = 0x00000800,
1.53 + FLAG_DITHER = 0x00001000,
1.54 + FLAG_SECURE = 0x00002000,
1.55 + FLAG_SCALED = 0x00004000,
1.56 + FLAG_IGNORE_CHEEK_PRESSES = 0x00008000,
1.57 + FLAG_LAYOUT_INSET_DECOR = 0x00010000,
1.58 + FLAG_ALT_FOCUSABLE_IM = 0x00020000,
1.59 + FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000,
1.60 + FLAG_SHOW_WHEN_LOCKED = 0x00080000,
1.61 + FLAG_SHOW_WALLPAPER = 0x00100000,
1.62 + FLAG_TURN_SCREEN_ON = 0x00200000,
1.63 + FLAG_DISMISS_KEYGUARD = 0x00400000,
1.64 + FLAG_SPLIT_TOUCH = 0x00800000,
1.65 + FLAG_HARDWARE_ACCELERATED = 0x01000000,
1.66 + FLAG_HARDWARE_ACCELERATED_SYSTEM = 0x02000000,
1.67 + FLAG_SLIPPERY = 0x04000000,
1.68 + FLAG_NEEDS_MENU_KEY = 0x08000000,
1.69 + FLAG_KEEP_SURFACE_WHILE_ANIMATING = 0x10000000,
1.70 + FLAG_COMPATIBLE_WINDOW = 0x20000000,
1.71 + FLAG_SYSTEM_ERROR = 0x40000000,
1.72 + };
1.73 +
1.74 + // Window types from WindowManager.LayoutParams
1.75 + enum {
1.76 + FIRST_APPLICATION_WINDOW = 1,
1.77 + TYPE_BASE_APPLICATION = 1,
1.78 + TYPE_APPLICATION = 2,
1.79 + TYPE_APPLICATION_STARTING = 3,
1.80 + LAST_APPLICATION_WINDOW = 99,
1.81 + FIRST_SUB_WINDOW = 1000,
1.82 + TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW,
1.83 + TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1,
1.84 + TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2,
1.85 + TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3,
1.86 + TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4,
1.87 + LAST_SUB_WINDOW = 1999,
1.88 + FIRST_SYSTEM_WINDOW = 2000,
1.89 + TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW,
1.90 + TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1,
1.91 + TYPE_PHONE = FIRST_SYSTEM_WINDOW+2,
1.92 + TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3,
1.93 + TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4,
1.94 + TYPE_TOAST = FIRST_SYSTEM_WINDOW+5,
1.95 + TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6,
1.96 + TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7,
1.97 + TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8,
1.98 + TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9,
1.99 + TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10,
1.100 + TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11,
1.101 + TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12,
1.102 + TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13,
1.103 + TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14,
1.104 + TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15,
1.105 + TYPE_DRAG = FIRST_SYSTEM_WINDOW+16,
1.106 + TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17,
1.107 + TYPE_POINTER = FIRST_SYSTEM_WINDOW+18,
1.108 + TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19,
1.109 + TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20,
1.110 + TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21,
1.111 + LAST_SYSTEM_WINDOW = 2999,
1.112 + };
1.113 +
1.114 + enum {
1.115 + INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES = 0x00000001,
1.116 + INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002,
1.117 + INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004,
1.118 + };
1.119 +
1.120 + sp<InputChannel> inputChannel;
1.121 + String8 name;
1.122 + int32_t layoutParamsFlags;
1.123 + int32_t layoutParamsType;
1.124 + nsecs_t dispatchingTimeout;
1.125 + int32_t frameLeft;
1.126 + int32_t frameTop;
1.127 + int32_t frameRight;
1.128 + int32_t frameBottom;
1.129 + float scaleFactor;
1.130 + SkRegion touchableRegion;
1.131 + bool visible;
1.132 + bool canReceiveKeys;
1.133 + bool hasFocus;
1.134 + bool hasWallpaper;
1.135 + bool paused;
1.136 + int32_t layer;
1.137 + int32_t ownerPid;
1.138 + int32_t ownerUid;
1.139 + int32_t inputFeatures;
1.140 + int32_t displayId;
1.141 +
1.142 + bool touchableRegionContainsPoint(int32_t x, int32_t y) const;
1.143 + bool frameContainsPoint(int32_t x, int32_t y) const;
1.144 +
1.145 + /* Returns true if the window is of a trusted type that is allowed to silently
1.146 + * overlay other windows for the purpose of implementing the secure views feature.
1.147 + * Trusted overlays, such as IME windows, can partly obscure other windows without causing
1.148 + * motion events to be delivered to them with AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED.
1.149 + */
1.150 + bool isTrustedOverlay() const;
1.151 +
1.152 + bool supportsSplitTouch() const;
1.153 +};
1.154 +
1.155 +
1.156 +/*
1.157 + * Handle for a window that can receive input.
1.158 + *
1.159 + * Used by the native input dispatcher to indirectly refer to the window manager objects
1.160 + * that describe a window.
1.161 + */
1.162 +class InputWindowHandle : public RefBase {
1.163 +public:
1.164 + const sp<InputApplicationHandle> inputApplicationHandle;
1.165 +
1.166 + inline const InputWindowInfo* getInfo() const {
1.167 + return mInfo;
1.168 + }
1.169 +
1.170 + inline sp<InputChannel> getInputChannel() const {
1.171 + return mInfo ? mInfo->inputChannel : NULL;
1.172 + }
1.173 +
1.174 + inline String8 getName() const {
1.175 + return mInfo ? mInfo->name : String8("<invalid>");
1.176 + }
1.177 +
1.178 + inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {
1.179 + return mInfo ? mInfo->dispatchingTimeout : defaultValue;
1.180 + }
1.181 +
1.182 + /**
1.183 + * Requests that the state of this object be updated to reflect
1.184 + * the most current available information about the application.
1.185 + *
1.186 + * This method should only be called from within the input dispatcher's
1.187 + * critical section.
1.188 + *
1.189 + * Returns true on success, or false if the handle is no longer valid.
1.190 + */
1.191 + virtual bool updateInfo() = 0;
1.192 +
1.193 + /**
1.194 + * Releases the storage used by the associated information when it is
1.195 + * no longer needed.
1.196 + */
1.197 + void releaseInfo();
1.198 +
1.199 +protected:
1.200 + InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle);
1.201 + virtual ~InputWindowHandle();
1.202 +
1.203 + InputWindowInfo* mInfo;
1.204 +};
1.205 +
1.206 +} // namespace android
1.207 +
1.208 +#endif // _UI_INPUT_WINDOW_H
