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
|
/*
* Copyright (C) 2018 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.shared.system;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.view.DisplayListCanvas;
import android.view.View;
import android.view.ViewRootImpl;
import android.view.WindowCallbacks;
public class WindowCallbacksCompat {
private final WindowCallbacks mWindowCallbacks = new WindowCallbacks() {
@Override
public void onWindowSizeIsChanging(Rect newBounds, boolean fullscreen, Rect systemInsets,
Rect stableInsets) {
WindowCallbacksCompat.this.onWindowSizeIsChanging(newBounds, fullscreen, systemInsets,
stableInsets);
}
@Override
public void onWindowDragResizeStart(Rect initialBounds, boolean fullscreen,
Rect systemInsets, Rect stableInsets, int resizeMode) {
WindowCallbacksCompat.this.onWindowDragResizeStart(initialBounds, fullscreen,
systemInsets, stableInsets, resizeMode);
}
@Override
public void onWindowDragResizeEnd() {
WindowCallbacksCompat.this.onWindowDragResizeEnd();
}
@Override
public boolean onContentDrawn(int offsetX, int offsetY, int sizeX, int sizeY) {
return WindowCallbacksCompat.this.onContentDrawn(offsetX, offsetY, sizeX, sizeY);
}
@Override
public void onRequestDraw(boolean reportNextDraw) {
WindowCallbacksCompat.this.onRequestDraw(reportNextDraw);
}
@Override
public void onPostDraw(DisplayListCanvas canvas) {
WindowCallbacksCompat.this.onPostDraw(canvas);
}
};
private final View mView;
public WindowCallbacksCompat(View view) {
mView = view;
}
public void onWindowSizeIsChanging(Rect newBounds, boolean fullscreen, Rect systemInsets,
Rect stableInsets) { }
public void onWindowDragResizeStart(Rect initialBounds, boolean fullscreen, Rect systemInsets,
Rect stableInsets, int resizeMode) { }
public void onWindowDragResizeEnd() { }
public boolean onContentDrawn(int offsetX, int offsetY, int sizeX, int sizeY) {
return false;
}
public void onRequestDraw(boolean reportNextDraw) {
if (reportNextDraw) {
reportDrawFinish();
}
}
public void onPostDraw(Canvas canvas) { }
public void reportDrawFinish() {
mView.getViewRootImpl().reportDrawFinish();
}
public boolean attach() {
ViewRootImpl root = mView.getViewRootImpl();
if (root != null) {
root.addWindowCallbacks(mWindowCallbacks);
root.requestInvalidateRootRenderNode();
return true;
}
return false;
}
public void detach() {
ViewRootImpl root = mView.getViewRootImpl();
if (root != null) {
root.removeWindowCallbacks(mWindowCallbacks);
}
}
}
|
