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
|
/*
* Copyright (C) 2019 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.app;
import android.compat.Compatibility;
import android.os.Process;
import com.android.internal.compat.ChangeReporter;
import java.util.Arrays;
/**
* App process implementation of the {@link Compatibility} API.
*
* @hide
*/
public final class AppCompatCallbacks implements Compatibility.BehaviorChangeDelegate {
private final long[] mDisabledChanges;
private final ChangeReporter mChangeReporter;
/**
* Install this class into the current process.
*
* @param disabledChanges Set of compatibility changes that are disabled for this process.
*/
public static void install(long[] disabledChanges) {
Compatibility.setBehaviorChangeDelegate(new AppCompatCallbacks(disabledChanges));
}
private AppCompatCallbacks(long[] disabledChanges) {
mDisabledChanges = Arrays.copyOf(disabledChanges, disabledChanges.length);
Arrays.sort(mDisabledChanges);
mChangeReporter = new ChangeReporter(
ChangeReporter.SOURCE_APP_PROCESS);
}
public void onChangeReported(long changeId) {
reportChange(changeId, ChangeReporter.STATE_LOGGED);
}
public boolean isChangeEnabled(long changeId) {
if (Arrays.binarySearch(mDisabledChanges, changeId) < 0) {
// Not present in the disabled array
reportChange(changeId, ChangeReporter.STATE_ENABLED);
return true;
}
reportChange(changeId, ChangeReporter.STATE_DISABLED);
return false;
}
private void reportChange(long changeId, int state) {
int uid = Process.myUid();
mChangeReporter.reportChange(uid, changeId, state);
}
}
|
