| /* |
| * Copyright (C) 2021 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.server.devicepolicy; |
| |
| import static com.android.server.devicepolicy.DevicePolicyManagerService.LOG_TAG; |
| |
| import android.content.pm.IPackageDeleteObserver; |
| import android.content.pm.PackageManager; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * Awaits the deletion of all the non-required apps. |
| */ |
| final class NonRequiredPackageDeleteObserver extends IPackageDeleteObserver.Stub { |
| private static final int PACKAGE_DELETE_TIMEOUT_SEC = 30; |
| |
| private final AtomicInteger mPackageCount = new AtomicInteger(/* initialValue= */ 0); |
| private final CountDownLatch mLatch; |
| private boolean mSuccess; |
| |
| NonRequiredPackageDeleteObserver(int packageCount) { |
| this.mLatch = new CountDownLatch(packageCount); |
| this.mPackageCount.set(packageCount); |
| } |
| |
| @Override |
| public void packageDeleted(String packageName, int returnCode) { |
| if (returnCode != PackageManager.DELETE_SUCCEEDED) { |
| Slog.e(LOG_TAG, "Failed to delete package: " + packageName); |
| mLatch.notifyAll(); |
| return; |
| } |
| int currentPackageCount = mPackageCount.decrementAndGet(); |
| if (currentPackageCount == 0) { |
| mSuccess = true; |
| Slog.i(LOG_TAG, "All non-required system apps with launcher icon, " |
| + "and all disallowed apps have been uninstalled."); |
| } |
| mLatch.countDown(); |
| } |
| |
| public boolean awaitPackagesDeletion() { |
| try { |
| mLatch.await(PACKAGE_DELETE_TIMEOUT_SEC, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| Log.w(LOG_TAG, "Interrupted while waiting for package deletion", e); |
| Thread.currentThread().interrupt(); |
| } |
| return mSuccess; |
| } |
| } |