210 lines
7.0 KiB
C
210 lines
7.0 KiB
C
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/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _UI_INPUT_WINDOW_H
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#define _UI_INPUT_WINDOW_H
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#include <input/Input.h>
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#include <input/InputTransport.h>
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#include <ui/Rect.h>
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#include <ui/Region.h>
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#include <utils/RefBase.h>
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#include <utils/Timers.h>
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#include <utils/String8.h>
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#include "InputApplication.h"
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namespace android {
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/*
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* Describes the properties of a window that can receive input.
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*/
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struct InputWindowInfo {
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// Window flags from WindowManager.LayoutParams
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enum {
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FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001,
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FLAG_DIM_BEHIND = 0x00000002,
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FLAG_BLUR_BEHIND = 0x00000004,
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FLAG_NOT_FOCUSABLE = 0x00000008,
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FLAG_NOT_TOUCHABLE = 0x00000010,
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FLAG_NOT_TOUCH_MODAL = 0x00000020,
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FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040,
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FLAG_KEEP_SCREEN_ON = 0x00000080,
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FLAG_LAYOUT_IN_SCREEN = 0x00000100,
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FLAG_LAYOUT_NO_LIMITS = 0x00000200,
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FLAG_FULLSCREEN = 0x00000400,
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FLAG_FORCE_NOT_FULLSCREEN = 0x00000800,
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FLAG_DITHER = 0x00001000,
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FLAG_SECURE = 0x00002000,
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FLAG_SCALED = 0x00004000,
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FLAG_IGNORE_CHEEK_PRESSES = 0x00008000,
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FLAG_LAYOUT_INSET_DECOR = 0x00010000,
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FLAG_ALT_FOCUSABLE_IM = 0x00020000,
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FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000,
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FLAG_SHOW_WHEN_LOCKED = 0x00080000,
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FLAG_SHOW_WALLPAPER = 0x00100000,
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FLAG_TURN_SCREEN_ON = 0x00200000,
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FLAG_DISMISS_KEYGUARD = 0x00400000,
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FLAG_SPLIT_TOUCH = 0x00800000,
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FLAG_SLIPPERY = 0x20000000,
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FLAG_NEEDS_MENU_KEY = 0x40000000,
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};
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// Private Window flags from WindowManager.LayoutParams
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enum {
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PRIVATE_FLAG_SYSTEM_ERROR = 0x00000100,
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};
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// Window types from WindowManager.LayoutParams
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enum {
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FIRST_APPLICATION_WINDOW = 1,
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TYPE_BASE_APPLICATION = 1,
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TYPE_APPLICATION = 2,
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TYPE_APPLICATION_STARTING = 3,
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LAST_APPLICATION_WINDOW = 99,
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FIRST_SUB_WINDOW = 1000,
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TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW,
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TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1,
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TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2,
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TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3,
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TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4,
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LAST_SUB_WINDOW = 1999,
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FIRST_SYSTEM_WINDOW = 2000,
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TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW,
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TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1,
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TYPE_PHONE = FIRST_SYSTEM_WINDOW+2,
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TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3,
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TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4,
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TYPE_TOAST = FIRST_SYSTEM_WINDOW+5,
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TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6,
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TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7,
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TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8,
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TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9,
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TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10,
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TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11,
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TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12,
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TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13,
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TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14,
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TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15,
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TYPE_DRAG = FIRST_SYSTEM_WINDOW+16,
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TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17,
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TYPE_POINTER = FIRST_SYSTEM_WINDOW+18,
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TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19,
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TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20,
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TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21,
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LAST_SYSTEM_WINDOW = 2999,
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};
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enum {
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INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES = 0x00000001,
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INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002,
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INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004,
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};
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sp<InputChannel> inputChannel;
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String8 name;
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int32_t layoutParamsFlags;
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int32_t layoutParamsPrivateFlags;
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int32_t layoutParamsType;
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nsecs_t dispatchingTimeout;
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int32_t frameLeft;
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int32_t frameTop;
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int32_t frameRight;
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int32_t frameBottom;
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float scaleFactor;
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Region touchableRegion;
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bool visible;
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bool canReceiveKeys;
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bool hasFocus;
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bool hasWallpaper;
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bool paused;
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int32_t layer;
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int32_t ownerPid;
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int32_t ownerUid;
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int32_t inputFeatures;
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int32_t displayId;
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void addTouchableRegion(const Rect& region);
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bool touchableRegionContainsPoint(int32_t x, int32_t y) const;
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bool frameContainsPoint(int32_t x, int32_t y) const;
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/* Returns true if the window is of a trusted type that is allowed to silently
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* overlay other windows for the purpose of implementing the secure views feature.
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* Trusted overlays, such as IME windows, can partly obscure other windows without causing
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* motion events to be delivered to them with AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED.
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*/
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bool isTrustedOverlay() const;
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bool supportsSplitTouch() const;
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};
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/*
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* Handle for a window that can receive input.
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*
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* Used by the native input dispatcher to indirectly refer to the window manager objects
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* that describe a window.
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*/
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class InputWindowHandle : public RefBase {
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public:
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const sp<InputApplicationHandle> inputApplicationHandle;
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inline const InputWindowInfo* getInfo() const {
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return mInfo;
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}
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inline sp<InputChannel> getInputChannel() const {
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return mInfo ? mInfo->inputChannel : NULL;
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}
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inline String8 getName() const {
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return mInfo ? mInfo->name : String8("<invalid>");
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}
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inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {
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return mInfo ? mInfo->dispatchingTimeout : defaultValue;
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}
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/**
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* Requests that the state of this object be updated to reflect
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* the most current available information about the application.
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*
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* This method should only be called from within the input dispatcher's
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* critical section.
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*
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* Returns true on success, or false if the handle is no longer valid.
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*/
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virtual bool updateInfo() = 0;
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/**
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* Releases the storage used by the associated information when it is
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* no longer needed.
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*/
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void releaseInfo();
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protected:
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InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle);
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virtual ~InputWindowHandle();
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InputWindowInfo* mInfo;
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};
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} // namespace android
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#endif // _UI_INPUT_WINDOW_H
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