| /* |
| * Copyright (C) 2010 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.gallery3d.app; |
| |
| import android.app.IntentService; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.preference.PreferenceManager; |
| |
| import com.android.gallery3d.picasasource.PicasaSource; |
| import com.android.gallery3d.util.LightCycleHelper; |
| |
| public class PackagesMonitor extends BroadcastReceiver { |
| public static final String KEY_PACKAGES_VERSION = "packages-version"; |
| |
| public synchronized static int getPackagesVersion(Context context) { |
| SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); |
| return prefs.getInt(KEY_PACKAGES_VERSION, 1); |
| } |
| |
| @Override |
| public void onReceive(final Context context, final Intent intent) { |
| intent.setClass(context, AsyncService.class); |
| context.startService(intent); |
| } |
| |
| public static class AsyncService extends IntentService { |
| public AsyncService() { |
| super("GalleryPackagesMonitorAsync"); |
| } |
| |
| @Override |
| protected void onHandleIntent(Intent intent) { |
| onReceiveAsync(this, intent); |
| } |
| } |
| |
| // Runs in a background thread. |
| private static void onReceiveAsync(Context context, Intent intent) { |
| SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); |
| |
| int version = prefs.getInt(KEY_PACKAGES_VERSION, 1); |
| prefs.edit().putInt(KEY_PACKAGES_VERSION, version + 1).commit(); |
| |
| String action = intent.getAction(); |
| String packageName = intent.getData().getSchemeSpecificPart(); |
| if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { |
| PicasaSource.onPackageAdded(context, packageName); |
| } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { |
| PicasaSource.onPackageRemoved(context, packageName); |
| } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action)) { |
| PicasaSource.onPackageChanged(context, packageName); |
| } |
| } |
| } |