| /* |
| * 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 extends Compatibility.Callbacks { |
| 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.setCallbacks(new AppCompatCallbacks(disabledChanges)); |
| } |
| |
| private AppCompatCallbacks(long[] disabledChanges) { |
| mDisabledChanges = Arrays.copyOf(disabledChanges, disabledChanges.length); |
| Arrays.sort(mDisabledChanges); |
| mChangeReporter = new ChangeReporter( |
| ChangeReporter.SOURCE_APP_PROCESS); |
| } |
| |
| protected void reportChange(long changeId) { |
| reportChange(changeId, ChangeReporter.STATE_LOGGED); |
| } |
| |
| protected 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); |
| } |
| |
| } |