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/*
* 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);
}
}
}
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