Abit/app/src/main/java/ch/dissem/apps/abit/listener/MessageListener.java

86 lines
2.9 KiB
Java

/*
* Copyright 2015 Christian Basler
*
* 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 ch.dissem.apps.abit.listener;
import android.content.Context;
import java.util.Deque;
import java.util.LinkedList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import ch.dissem.apps.abit.MainActivity;
import ch.dissem.apps.abit.notification.NewMessageNotification;
import ch.dissem.bitmessage.BitmessageContext;
import ch.dissem.bitmessage.entity.Plaintext;
/**
* Listens for decrypted Bitmessage messages. Does show a notification.
* <p>
* Should show a notification when the app isn't running, but update the message list when it is.
* Also,
* notifications should be combined.
* </p>
*/
public class MessageListener implements BitmessageContext.Listener {
private final Deque<Plaintext> unacknowledged = new LinkedList<>();
private int numberOfUnacknowledgedMessages = 0;
private final NewMessageNotification notification;
private final ExecutorService pool = Executors.newSingleThreadExecutor();
public MessageListener(Context ctx) {
this.notification = new NewMessageNotification(ctx);
}
@Override
public void receive(final Plaintext plaintext) {
pool.submit(new Runnable() {
@Override
public void run() {
unacknowledged.addFirst(plaintext);
numberOfUnacknowledgedMessages++;
if (unacknowledged.size() > 5) {
unacknowledged.removeLast();
}
if (numberOfUnacknowledgedMessages == 1) {
notification.singleNotification(plaintext);
} else {
notification.multiNotification(unacknowledged, numberOfUnacknowledgedMessages);
}
notification.show();
// If MainActivity is shown, update the sidebar badges
MainActivity main = MainActivity.getInstance();
if (main != null) {
main.updateUnread();
}
}
});
}
public void resetNotification() {
pool.submit(new Runnable() {
@Override
public void run() {
notification.hide();
unacknowledged.clear();
numberOfUnacknowledgedMessages = 0;
}
});
}
}