widget/gonk/libui/InputWindow.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.

     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  */
    17 #ifndef _UI_INPUT_WINDOW_H
    18 #define _UI_INPUT_WINDOW_H
    20 #include "Input.h"
    21 #include "InputTransport.h"
    22 #include <utils/RefBase.h>
    23 #include <utils/Timers.h>
    24 #include <utils/String8.h>
    26 #include <SkRegion.h>
    28 #include "InputApplication.h"
    30 namespace android {
    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     };
    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     };
   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     };
   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;
   139     bool touchableRegionContainsPoint(int32_t x, int32_t y) const;
   140     bool frameContainsPoint(int32_t x, int32_t y) const;
   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;
   149     bool supportsSplitTouch() const;
   150 };
   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;
   163     inline const InputWindowInfo* getInfo() const {
   164         return mInfo;
   165     }
   167     inline sp<InputChannel> getInputChannel() const {
   168         return mInfo ? mInfo->inputChannel : NULL;
   169     }
   171     inline String8 getName() const {
   172         return mInfo ? mInfo->name : String8("<invalid>");
   173     }
   175     inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {
   176         return mInfo ? mInfo->dispatchingTimeout : defaultValue;
   177     }
   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;
   190     /**
   191      * Releases the storage used by the associated information when it is
   192      * no longer needed.
   193      */
   194     void releaseInfo();
   196 protected:
   197     InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle);
   198     virtual ~InputWindowHandle();
   200     InputWindowInfo* mInfo;
   201 };
   203 } // namespace android
   205 #endif // _UI_INPUT_WINDOW_H

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