/*
* Copyright 2012 Google Inc.
*
* 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.google.android.apps.iosched.gcm;
import com.google.android.apps.iosched.BuildConfig;
import com.google.android.apps.iosched.Config;
import com.google.android.apps.iosched.R;
import com.google.android.apps.iosched.sync.TriggerSyncReceiver;
import com.google.android.apps.iosched.ui.HomeActivity;
import com.google.android.apps.iosched.util.UIUtils;
import com.google.android.gcm.GCMBaseIntentService;
import com.google.android.gcm.GCMRegistrar;
import android.app.AlarmManager;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.support.v4.app.NotificationCompat;
import java.util.Random;
import static com.google.android.apps.iosched.util.LogUtils.LOGD;
import static com.google.android.apps.iosched.util.LogUtils.LOGE;
import static com.google.android.apps.iosched.util.LogUtils.LOGI;
import static com.google.android.apps.iosched.util.LogUtils.LOGW;
import static com.google.android.apps.iosched.util.LogUtils.makeLogTag;
/**
* {@link android.app.IntentService} responsible for handling GCM messages.
*/
public class GCMIntentService extends GCMBaseIntentService {
private static final String TAG = makeLogTag("GCM");
private static final int TRIGGER_SYNC_MAX_JITTER_MILLIS = 3 * 60 * 1000; // 3 minutes
private static final Random sRandom = new Random();
public GCMIntentService() {
super(Config.GCM_SENDER_ID);
}
@Override
protected void onRegistered(Context context, String regId) {
LOGI(TAG, "Device registered: regId=" + regId);
ServerUtilities.register(context, regId);
}
@Override
protected void onUnregistered(Context context, String regId) {
LOGI(TAG, "Device unregistered");
if (GCMRegistrar.isRegisteredOnServer(context)) {
ServerUtilities.unregister(context, regId);
} else {
// This callback results from the call to unregister made on
// ServerUtilities when the registration to the server failed.
LOGD(TAG, "Ignoring unregister callback");
}
}
@Override
protected void onMessage(Context context, Intent intent) {
if (UIUtils.isGoogleTV(context)) {
// Google TV uses SyncHelper directly.
return;
}
String announcement = intent.getStringExtra("announcement");
if (announcement != null) {
displayNotification(context, announcement);
return;
}
int jitterMillis = (int) (sRandom.nextFloat() * TRIGGER_SYNC_MAX_JITTER_MILLIS);
final String debugMessage = "Received message to trigger sync; "
+ "jitter = " + jitterMillis + "ms";
LOGI(TAG, debugMessage);
if (BuildConfig.DEBUG) {
displayNotification(context, debugMessage);
}
((AlarmManager) context.getSystemService(ALARM_SERVICE))
.set(
AlarmManager.RTC,
System.currentTimeMillis() + jitterMillis,
PendingIntent.getBroadcast(
context,
0,
new Intent(context, TriggerSyncReceiver.class),
PendingIntent.FLAG_CANCEL_CURRENT));
}
private void displayNotification(Context context, String message) {
LOGI(TAG, "displayNotification: " + message);
((NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE))
.notify(0, new NotificationCompat.Builder(context)
.setWhen(System.currentTimeMillis())
.setSmallIcon(R.drawable.ic_stat_notification)
.setTicker(message)
.setContentTitle(context.getString(R.string.app_name))
.setContentText(message)
.setContentIntent(
PendingIntent.getActivity(context, 0,
new Intent(context, HomeActivity.class)
.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP |
Intent.FLAG_ACTIVITY_SINGLE_TOP),
0))
.setAutoCancel(true)
.getNotification());
}
@Override
public void onError(Context context, String errorId) {
LOGE(TAG, "Received error: " + errorId);
}
@Override
protected boolean onRecoverableError(Context context, String errorId) {
// log message
LOGW(TAG, "Received recoverable error: " + errorId);
return super.onRecoverableError(context, errorId);
}
}