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
|
/*
* 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.
*/
package com.android.server.wm;
import android.os.Looper;
import android.os.Process;
import android.view.Display;
import android.view.InputChannel;
import android.view.InputEventReceiver;
import android.view.WindowManager;
import android.view.WindowManagerPolicy;
import com.android.server.input.InputApplicationHandle;
import com.android.server.input.InputWindowHandle;
public final class InputConsumerImpl implements WindowManagerPolicy.InputConsumer {
final WindowManagerService mService;
final InputChannel mServerChannel, mClientChannel;
final InputApplicationHandle mApplicationHandle;
final InputWindowHandle mWindowHandle;
final InputEventReceiver mInputEventReceiver;
final int mWindowLayer;
public InputConsumerImpl(WindowManagerService service, Looper looper,
InputEventReceiver.Factory inputEventReceiverFactory) {
String name = "input consumer";
mService = service;
InputChannel[] channels = InputChannel.openInputChannelPair(name);
mServerChannel = channels[0];
mClientChannel = channels[1];
mService.mInputManager.registerInputChannel(mServerChannel, null);
mInputEventReceiver = inputEventReceiverFactory.createInputEventReceiver(
mClientChannel, looper);
mApplicationHandle = new InputApplicationHandle(null);
mApplicationHandle.name = name;
mApplicationHandle.dispatchingTimeoutNanos =
WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
mWindowHandle = new InputWindowHandle(mApplicationHandle, null, Display.DEFAULT_DISPLAY);
mWindowHandle.name = name;
mWindowHandle.inputChannel = mServerChannel;
mWindowHandle.layoutParamsType = WindowManager.LayoutParams.TYPE_INPUT_CONSUMER;
mWindowLayer = getLayerLw(mWindowHandle.layoutParamsType);
mWindowHandle.layer = mWindowLayer;
mWindowHandle.layoutParamsFlags = 0;
mWindowHandle.dispatchingTimeoutNanos =
WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
mWindowHandle.visible = true;
mWindowHandle.canReceiveKeys = false;
mWindowHandle.hasFocus = false;
mWindowHandle.hasWallpaper = false;
mWindowHandle.paused = false;
mWindowHandle.ownerPid = Process.myPid();
mWindowHandle.ownerUid = Process.myUid();
mWindowHandle.inputFeatures = 0;
mWindowHandle.scaleFactor = 1.0f;
}
void layout(int dw, int dh) {
mWindowHandle.touchableRegion.set(0, 0, dw, dh);
mWindowHandle.frameLeft = 0;
mWindowHandle.frameTop = 0;
mWindowHandle.frameRight = dw;
mWindowHandle.frameBottom = dh;
}
@Override
public void dismiss() {
synchronized (mService.mWindowMap) {
if (mService.removeInputConsumer()) {
mInputEventReceiver.dispose();
mService.mInputManager.unregisterInputChannel(mServerChannel);
mClientChannel.dispose();
mServerChannel.dispose();
}
}
}
private int getLayerLw(int windowType) {
return mService.mPolicy.windowTypeToLayerLw(windowType)
* WindowManagerService.TYPE_LAYER_MULTIPLIER
+ WindowManagerService.TYPE_LAYER_OFFSET;
}
}
|
