1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _UI_INPUT_WINDOW_H 18 #define _UI_INPUT_WINDOW_H 19 20 #include <androidfw/Input.h> 21 #include <androidfw/InputTransport.h> 22 #include <utils/RefBase.h> 23 #include <utils/Timers.h> 24 #include <utils/String8.h> 25 26 #include <SkRegion.h> 27 28 #include "InputApplication.h" 29 30 namespace android { 31 32 /* 33 * Describes the properties of a window that can receive input. 34 */ 35 struct InputWindowInfo { 36 // Window flags from WindowManager.LayoutParams 37 enum { 38 FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001, 39 FLAG_DIM_BEHIND = 0x00000002, 40 FLAG_BLUR_BEHIND = 0x00000004, 41 FLAG_NOT_FOCUSABLE = 0x00000008, 42 FLAG_NOT_TOUCHABLE = 0x00000010, 43 FLAG_NOT_TOUCH_MODAL = 0x00000020, 44 FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040, 45 FLAG_KEEP_SCREEN_ON = 0x00000080, 46 FLAG_LAYOUT_IN_SCREEN = 0x00000100, 47 FLAG_LAYOUT_NO_LIMITS = 0x00000200, 48 FLAG_FULLSCREEN = 0x00000400, 49 FLAG_FORCE_NOT_FULLSCREEN = 0x00000800, 50 FLAG_DITHER = 0x00001000, 51 FLAG_SECURE = 0x00002000, 52 FLAG_SCALED = 0x00004000, 53 FLAG_IGNORE_CHEEK_PRESSES = 0x00008000, 54 FLAG_LAYOUT_INSET_DECOR = 0x00010000, 55 FLAG_ALT_FOCUSABLE_IM = 0x00020000, 56 FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000, 57 FLAG_SHOW_WHEN_LOCKED = 0x00080000, 58 FLAG_SHOW_WALLPAPER = 0x00100000, 59 FLAG_TURN_SCREEN_ON = 0x00200000, 60 FLAG_DISMISS_KEYGUARD = 0x00400000, 61 FLAG_SPLIT_TOUCH = 0x00800000, 62 FLAG_HARDWARE_ACCELERATED = 0x01000000, 63 FLAG_HARDWARE_ACCELERATED_SYSTEM = 0x02000000, 64 FLAG_SLIPPERY = 0x04000000, 65 FLAG_NEEDS_MENU_KEY = 0x08000000, 66 FLAG_KEEP_SURFACE_WHILE_ANIMATING = 0x10000000, 67 FLAG_COMPATIBLE_WINDOW = 0x20000000, 68 FLAG_SYSTEM_ERROR = 0x40000000, 69 }; 70 71 // Window types from WindowManager.LayoutParams 72 enum { 73 FIRST_APPLICATION_WINDOW = 1, 74 TYPE_BASE_APPLICATION = 1, 75 TYPE_APPLICATION = 2, 76 TYPE_APPLICATION_STARTING = 3, 77 LAST_APPLICATION_WINDOW = 99, 78 FIRST_SUB_WINDOW = 1000, 79 TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW, 80 TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1, 81 TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2, 82 TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3, 83 TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4, 84 LAST_SUB_WINDOW = 1999, 85 FIRST_SYSTEM_WINDOW = 2000, 86 TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW, 87 TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1, 88 TYPE_PHONE = FIRST_SYSTEM_WINDOW+2, 89 TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3, 90 TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4, 91 TYPE_TOAST = FIRST_SYSTEM_WINDOW+5, 92 TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6, 93 TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7, 94 TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8, 95 TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9, 96 TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10, 97 TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11, 98 TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12, 99 TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13, 100 TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14, 101 TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15, 102 TYPE_DRAG = FIRST_SYSTEM_WINDOW+16, 103 TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17, 104 TYPE_POINTER = FIRST_SYSTEM_WINDOW+18, 105 TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19, 106 TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20, 107 TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21, 108 LAST_SYSTEM_WINDOW = 2999, 109 }; 110 111 enum { 112 INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES = 0x00000001, 113 INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002, 114 INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004, 115 }; 116 117 sp<InputChannel> inputChannel; 118 String8 name; 119 int32_t layoutParamsFlags; 120 int32_t layoutParamsType; 121 nsecs_t dispatchingTimeout; 122 int32_t frameLeft; 123 int32_t frameTop; 124 int32_t frameRight; 125 int32_t frameBottom; 126 float scaleFactor; 127 SkRegion touchableRegion; 128 bool visible; 129 bool canReceiveKeys; 130 bool hasFocus; 131 bool hasWallpaper; 132 bool paused; 133 int32_t layer; 134 int32_t ownerPid; 135 int32_t ownerUid; 136 int32_t inputFeatures; 137 int32_t displayId; 138 139 bool touchableRegionContainsPoint(int32_t x, int32_t y) const; 140 bool frameContainsPoint(int32_t x, int32_t y) const; 141 142 /* Returns true if the window is of a trusted type that is allowed to silently 143 * overlay other windows for the purpose of implementing the secure views feature. 144 * Trusted overlays, such as IME windows, can partly obscure other windows without causing 145 * motion events to be delivered to them with AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. 146 */ 147 bool isTrustedOverlay() const; 148 149 bool supportsSplitTouch() const; 150 }; 151 152 153 /* 154 * Handle for a window that can receive input. 155 * 156 * Used by the native input dispatcher to indirectly refer to the window manager objects 157 * that describe a window. 158 */ 159 class InputWindowHandle : public RefBase { 160 public: 161 const sp<InputApplicationHandle> inputApplicationHandle; 162 163 inline const InputWindowInfo* getInfo() const { 164 return mInfo; 165 } 166 167 inline sp<InputChannel> getInputChannel() const { 168 return mInfo ? mInfo->inputChannel : NULL; 169 } 170 171 inline String8 getName() const { 172 return mInfo ? mInfo->name : String8("<invalid>"); 173 } 174 175 inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const { 176 return mInfo ? mInfo->dispatchingTimeout : defaultValue; 177 } 178 179 /** 180 * Requests that the state of this object be updated to reflect 181 * the most current available information about the application. 182 * 183 * This method should only be called from within the input dispatcher's 184 * critical section. 185 * 186 * Returns true on success, or false if the handle is no longer valid. 187 */ 188 virtual bool updateInfo() = 0; 189 190 /** 191 * Releases the storage used by the associated information when it is 192 * no longer needed. 193 */ 194 void releaseInfo(); 195 196 protected: 197 InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle); 198 virtual ~InputWindowHandle(); 199 200 InputWindowInfo* mInfo; 201 }; 202 203 } // namespace android 204 205 #endif // _UI_INPUT_WINDOW_H 206
