blob: 97a97d9984f922e0703e40a8d3dfbb06820af2e1 (
plain)
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
|
/*
* Copyright (C) 2020 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 android.window;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.RequiresPermission;
import android.annotation.TestApi;
import android.app.ActivityTaskManager;
import android.os.RemoteException;
import android.util.Singleton;
import android.view.SurfaceControl;
/**
* Base class for organizing specific types of windows like Tasks and DisplayAreas
*
* @hide
*/
@TestApi
public class WindowOrganizer {
/**
* Apply multiple WindowContainer operations at once.
* @param t The transaction to apply.
*/
@RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS)
public void applyTransaction(@NonNull WindowContainerTransaction t) {
try {
getWindowOrganizerController().applyTransaction(t);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Apply multiple WindowContainer operations at once.
* @param t The transaction to apply.
* @param callback This transaction will use the synchronization scheme described in
* BLASTSyncEngine.java. The SurfaceControl transaction containing the effects of this
* WindowContainer transaction will be passed to this callback when ready.
* @return An ID for the sync operation which will later be passed to transactionReady callback.
* This lets the caller differentiate overlapping sync operations.
*/
@RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS)
public int applySyncTransaction(@NonNull WindowContainerTransaction t,
@NonNull WindowContainerTransactionCallback callback) {
try {
return getWindowOrganizerController().applySyncTransaction(t, callback.mInterface);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Take a screenshot for a specified Window
* @param token The token for the WindowContainer that should get a screenshot taken.
* @return A SurfaceControl where the screenshot will be attached, or null if failed.
*
* @hide
*/
@Nullable
@RequiresPermission(android.Manifest.permission.READ_FRAME_BUFFER)
public SurfaceControl takeScreenshot(@NonNull WindowContainerToken token) {
try {
SurfaceControl surfaceControl = new SurfaceControl();
if (getWindowOrganizerController().takeScreenshot(token, surfaceControl)) {
return surfaceControl;
} else {
return null;
}
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
@RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS)
IWindowOrganizerController getWindowOrganizerController() {
return IWindowOrganizerControllerSingleton.get();
}
private static final Singleton<IWindowOrganizerController> IWindowOrganizerControllerSingleton =
new Singleton<IWindowOrganizerController>() {
@Override
protected IWindowOrganizerController create() {
try {
return ActivityTaskManager.getService().getWindowOrganizerController();
} catch (RemoteException e) {
return null;
}
}
};
}
|
