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