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 <input/Input.h> 21 #include <input/InputTransport.h> 22 #include <ui/Rect.h> 23 #include <ui/Region.h> 24 #include <utils/RefBase.h> 25 #include <utils/Timers.h> 26 #include <utils/String8.h> 27 28 #include "InputApplication.h" 29 30 namespace android { 31 32 33 /* 34 * Describes the properties of a window that can receive input. 35 */ 36 struct InputWindowInfo { 37 // Window flags from WindowManager.LayoutParams 38 enum { 39 FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001, 40 FLAG_DIM_BEHIND = 0x00000002, 41 FLAG_BLUR_BEHIND = 0x00000004, 42 FLAG_NOT_FOCUSABLE = 0x00000008, 43 FLAG_NOT_TOUCHABLE = 0x00000010, 44 FLAG_NOT_TOUCH_MODAL = 0x00000020, 45 FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040, 46 FLAG_KEEP_SCREEN_ON = 0x00000080, 47 FLAG_LAYOUT_IN_SCREEN = 0x00000100, 48 FLAG_LAYOUT_NO_LIMITS = 0x00000200, 49 FLAG_FULLSCREEN = 0x00000400, 50 FLAG_FORCE_NOT_FULLSCREEN = 0x00000800, 51 FLAG_DITHER = 0x00001000, 52 FLAG_SECURE = 0x00002000, 53 FLAG_SCALED = 0x00004000, 54 FLAG_IGNORE_CHEEK_PRESSES = 0x00008000, 55 FLAG_LAYOUT_INSET_DECOR = 0x00010000, 56 FLAG_ALT_FOCUSABLE_IM = 0x00020000, 57 FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000, 58 FLAG_SHOW_WHEN_LOCKED = 0x00080000, 59 FLAG_SHOW_WALLPAPER = 0x00100000, 60 FLAG_TURN_SCREEN_ON = 0x00200000, 61 FLAG_DISMISS_KEYGUARD = 0x00400000, 62 FLAG_SPLIT_TOUCH = 0x00800000, 63 FLAG_SLIPPERY = 0x20000000, 64 FLAG_NEEDS_MENU_KEY = 0x40000000, 65 }; 66 67 // Window types from WindowManager.LayoutParams 68 enum { 69 FIRST_APPLICATION_WINDOW = 1, 70 TYPE_BASE_APPLICATION = 1, 71 TYPE_APPLICATION = 2, 72 TYPE_APPLICATION_STARTING = 3, 73 LAST_APPLICATION_WINDOW = 99, 74 FIRST_SUB_WINDOW = 1000, 75 TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW, 76 TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1, 77 TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2, 78 TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3, 79 TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4, 80 LAST_SUB_WINDOW = 1999, 81 FIRST_SYSTEM_WINDOW = 2000, 82 TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW, 83 TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1, 84 TYPE_PHONE = FIRST_SYSTEM_WINDOW+2, 85 TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3, 86 TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4, 87 TYPE_TOAST = FIRST_SYSTEM_WINDOW+5, 88 TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6, 89 TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7, 90 TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8, 91 TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9, 92 TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10, 93 TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11, 94 TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12, 95 TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13, 96 TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14, 97 TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15, 98 TYPE_DRAG = FIRST_SYSTEM_WINDOW+16, 99 TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17, 100 TYPE_POINTER = FIRST_SYSTEM_WINDOW+18, 101 TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19, 102 TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20, 103 TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21, 104 TYPE_MAGNIFICATION_OVERLAY = FIRST_SYSTEM_WINDOW+22, 105 TYPE_DOCK_DIVIDER = FIRST_SYSTEM_WINDOW+34, 106 LAST_SYSTEM_WINDOW = 2999, 107 }; 108 109 enum { 110 INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES = 0x00000001, 111 INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002, 112 INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004, 113 }; 114 115 sp<InputChannel> inputChannel; 116 String8 name; 117 int32_t layoutParamsFlags; 118 int32_t layoutParamsType; 119 nsecs_t dispatchingTimeout; 120 int32_t frameLeft; 121 int32_t frameTop; 122 int32_t frameRight; 123 int32_t frameBottom; 124 float scaleFactor; 125 Region touchableRegion; 126 bool visible; 127 bool canReceiveKeys; 128 bool hasFocus; 129 bool hasWallpaper; 130 bool paused; 131 int32_t layer; 132 int32_t ownerPid; 133 int32_t ownerUid; 134 int32_t inputFeatures; 135 int32_t displayId; 136 137 void addTouchableRegion(const Rect& region); 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 bool overlaps(const InputWindowInfo* other) const; 152 }; 153 154 155 /* 156 * Handle for a window that can receive input. 157 * 158 * Used by the native input dispatcher to indirectly refer to the window manager objects 159 * that describe a window. 160 */ 161 class InputWindowHandle : public RefBase { 162 public: 163 const sp<InputApplicationHandle> inputApplicationHandle; 164 165 inline const InputWindowInfo* getInfo() const { 166 return mInfo; 167 } 168 169 inline sp<InputChannel> getInputChannel() const { 170 return mInfo ? mInfo->inputChannel : NULL; 171 } 172 173 inline String8 getName() const { 174 return mInfo ? mInfo->name : String8("<invalid>"); 175 } 176 177 inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const { 178 return mInfo ? mInfo->dispatchingTimeout : defaultValue; 179 } 180 181 /** 182 * Requests that the state of this object be updated to reflect 183 * the most current available information about the application. 184 * 185 * This method should only be called from within the input dispatcher's 186 * critical section. 187 * 188 * Returns true on success, or false if the handle is no longer valid. 189 */ 190 virtual bool updateInfo() = 0; 191 192 /** 193 * Releases the storage used by the associated information when it is 194 * no longer needed. 195 */ 196 void releaseInfo(); 197 198 protected: 199 explicit InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle); 200 virtual ~InputWindowHandle(); 201 202 InputWindowInfo* mInfo; 203 }; 204 205 } // namespace android 206 207 #endif // _UI_INPUT_WINDOW_H 208
