blob: 5c0df179dd27fc04a0867e423651a3cde5779ec0 (
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
|
/*
* Copyright (C) 2017 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.systemui;
import android.os.RemoteException;
import android.util.Log;
import android.view.IDockedStackListener;
import android.view.WindowManagerGlobal;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.function.Consumer;
/**
* Utility wrapper to listen for whether or not a docked stack exists, to be
* used for things like the different overview icon in that mode.
*/
public class DockedStackExistsListener {
private static final String TAG = "DockedStackExistsListener";
private static ArrayList<WeakReference<Consumer<Boolean>>> sCallbacks = new ArrayList<>();
private static boolean mLastExists;
static {
try {
WindowManagerGlobal.getWindowManagerService().registerDockedStackListener(
new IDockedStackListener.Stub() {
@Override
public void onDividerVisibilityChanged(boolean b) throws RemoteException {
}
@Override
public void onDockedStackExistsChanged(boolean exists)
throws RemoteException {
DockedStackExistsListener.onDockedStackExistsChanged(exists);
}
@Override
public void onDockedStackMinimizedChanged(boolean b, long l, boolean b1)
throws RemoteException {
}
@Override
public void onAdjustedForImeChanged(boolean b, long l)
throws RemoteException {
}
@Override
public void onDockSideChanged(int i) throws RemoteException {
}
});
} catch (RemoteException e) {
Log.e(TAG, "Failed registering docked stack exists listener", e);
}
}
private static void onDockedStackExistsChanged(boolean exists) {
mLastExists = exists;
synchronized (sCallbacks) {
sCallbacks.removeIf(wf -> {
Consumer<Boolean> l = wf.get();
if (l != null) l.accept(exists);
return l == null;
});
}
}
public static void register(Consumer<Boolean> callback) {
callback.accept(mLastExists);
synchronized (sCallbacks) {
sCallbacks.add(new WeakReference<>(callback));
}
}
}
|
