/*
* Copyright 2012 The Stanford MobiSocial Laboratory
*
* 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 mobisocial.musubi.feed.presence;
import mobisocial.musubi.feed.iface.DbEntryHandler;
import mobisocial.musubi.feed.iface.FeedPresence;
import mobisocial.musubi.obj.handler.IObjHandler;
import mobisocial.musubi.objects.VoiceObj;
import mobisocial.socialkit.SignedObj;
import mobisocial.socialkit.musubi.DbObj;
import android.content.Context;
import android.net.Uri;
import android.util.Log;
/**
* Automatically plays back audio clips as they are received.
*
*/
public class Push2TalkPresence extends FeedPresence implements IObjHandler {
private static final String TAG = "push2talk";
private boolean mEnabled = false;
private static Push2TalkPresence sInstance;
private Push2TalkPresence() {
}
@Override
public String getName() {
return "Push2Talk";
}
@Override
public void onPresenceUpdated(final Context context, final Uri feedUri, boolean present) {
mEnabled = getFeedsWithPresence().size() > 0;
}
public static Push2TalkPresence getInstance() {
if (sInstance == null) {
sInstance = new Push2TalkPresence();
}
return sInstance;
}
@Override
public boolean handleObjFromNetwork(Context context, SignedObj obj) {
return true;
}
@Override
public void afterDbInsertion(Context context, DbEntryHandler typeInfo, DbObj obj) {
Uri feedUri = obj.getContainingFeed().getUri();
if (!mEnabled || !getFeedsWithPresence().contains(feedUri) ||
!(typeInfo instanceof VoiceObj)) {
return;
}
if (DBG) Log.d(TAG, "Playing audio via push2talk on " + feedUri);
((VoiceObj) typeInfo).activate(context, null);
}
public boolean isOnCall() {
return mEnabled;
}
}