1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.app; 18 19 import android.app.IntentService; 20 import android.content.BroadcastReceiver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.SharedPreferences; 24 import android.preference.PreferenceManager; 25 import androidx.core.app.JobIntentService; 26 27 import com.android.gallery3d.picasasource.PicasaSource; 28 import com.android.gallery3d.util.LightCycleHelper; 29 30 public class PackagesMonitor extends BroadcastReceiver { 31 public static final String KEY_PACKAGES_VERSION = "packages-version"; 32 getPackagesVersion(Context context)33 public synchronized static int getPackagesVersion(Context context) { 34 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); 35 return prefs.getInt(KEY_PACKAGES_VERSION, 1); 36 } 37 38 @Override onReceive(final Context context, final Intent intent)39 public void onReceive(final Context context, final Intent intent) { 40 intent.setClass(context, AsyncService.class); 41 AsyncService.enqueueWork(context, intent); 42 } 43 44 public static class AsyncService extends JobIntentService { 45 public static final int JOB_ID = 1; 46 enqueueWork(Context context, Intent work)47 public static void enqueueWork(Context context, Intent work) { 48 enqueueWork(context, AsyncService.class, JOB_ID, work); 49 } 50 51 @Override onHandleWork(Intent intent)52 protected void onHandleWork(Intent intent) { 53 onReceiveAsync(this, intent); 54 } 55 } 56 57 // Runs in a background thread. onReceiveAsync(Context context, Intent intent)58 private static void onReceiveAsync(Context context, Intent intent) { 59 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); 60 61 int version = prefs.getInt(KEY_PACKAGES_VERSION, 1); 62 prefs.edit().putInt(KEY_PACKAGES_VERSION, version + 1).commit(); 63 64 String action = intent.getAction(); 65 String packageName = intent.getData().getSchemeSpecificPart(); 66 if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { 67 PicasaSource.onPackageAdded(context, packageName); 68 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { 69 PicasaSource.onPackageRemoved(context, packageName); 70 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action)) { 71 PicasaSource.onPackageChanged(context, packageName); 72 } 73 } 74 } 75