| /* |
| * 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.server.backup.restore; |
| |
| import android.app.PackageInstallObserver; |
| import android.os.Bundle; |
| |
| import com.android.internal.annotations.GuardedBy; |
| |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| /** |
| * Synchronous implementation of PackageInstallObserver. |
| * |
| * Allows the caller to synchronously wait for package install event. |
| */ |
| public class RestoreInstallObserver extends PackageInstallObserver { |
| |
| @GuardedBy("mDone") |
| private final AtomicBoolean mDone = new AtomicBoolean(); |
| |
| private String mPackageName; |
| private int mResult; |
| |
| public RestoreInstallObserver() { |
| } |
| |
| /** |
| * Resets the observer to prepare for another installation. |
| */ |
| public void reset() { |
| synchronized (mDone) { |
| mDone.set(false); |
| } |
| } |
| |
| /** |
| * Synchronously waits for completion. |
| */ |
| public void waitForCompletion() { |
| synchronized (mDone) { |
| while (mDone.get() == false) { |
| try { |
| mDone.wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| } |
| |
| /** |
| * Returns result code. |
| */ |
| public int getResult() { |
| return mResult; |
| } |
| |
| /** |
| * Returns installed package name. |
| */ |
| public String getPackageName() { |
| return mPackageName; |
| } |
| |
| @Override |
| public void onPackageInstalled(String packageName, int returnCode, |
| String msg, Bundle extras) { |
| synchronized (mDone) { |
| mResult = returnCode; |
| mPackageName = packageName; |
| mDone.set(true); |
| mDone.notifyAll(); |
| } |
| } |
| } |