Add push service
This commit is contained in:
Jannis Mattheis
@@ -0,0 +1,221 @@
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package com.github.gotify.service;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.app.Service;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Build;
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import android.os.IBinder;
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import com.github.gotify.MissedMessageUtil;
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import com.github.gotify.NotificationSupport;
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import com.github.gotify.R;
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import com.github.gotify.Settings;
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import com.github.gotify.Utils;
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import com.github.gotify.api.ClientFactory;
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import com.github.gotify.client.model.Message;
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import com.github.gotify.log.Log;
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import com.github.gotify.log.UncaughtExceptionHandler;
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import com.github.gotify.messages.MessagesActivity;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicInteger;
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import androidx.annotation.Nullable;
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import androidx.annotation.RequiresApi;
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import androidx.core.app.NotificationCompat;
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public class WebSocketService extends Service {
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public static final String NEW_MESSAGE_BROADCAST =
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WebSocketService.class.getName() + ".NEW_MESSAGE";
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private static final int NOT_LOADED = -2;
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private Settings settings;
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private WebSocketConnection connection;
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private AtomicInteger lastReceivedMessage = new AtomicInteger(NOT_LOADED);
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private MissedMessageUtil missingMessageUtil;
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@Override
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public void onCreate() {
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super.onCreate();
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settings = new Settings(this);
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missingMessageUtil =
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new MissedMessageUtil(ClientFactory.clientToken(settings.url(), settings.token()));
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Log.i("Create " + getClass().getSimpleName());
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (connection != null) {
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connection.close();
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}
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Log.w("Destroy " + getClass().getSimpleName());
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}
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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Log.init(this);
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Log.i("Starting " + getClass().getSimpleName());
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super.onStartCommand(intent, flags, startId);
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new Thread(this::startPushService).run();
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return START_STICKY;
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}
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private void startPushService() {
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UncaughtExceptionHandler.registerCurrentThread();
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foreground(getString(R.string.websocket_init));
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if (lastReceivedMessage.get() == NOT_LOADED) {
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missingMessageUtil.lastReceivedMessage(lastReceivedMessage::set);
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}
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connection =
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new WebSocketConnection(settings.url(), settings.token())
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.onOpen(this::onOpen)
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.onClose(() -> foreground(getString(R.string.websocket_closed)))
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.onBadRequest(this::onBadRequest)
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.onFailure((min) -> foreground(getString(R.string.websocket_failed, min)))
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.onMessage(this::onMessage)
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.onReconnected(this::notifyMissedNotifications)
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.start();
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}
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private void onBadRequest(String message) {
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foreground(getString(R.string.websocket_could_not_connect, message));
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}
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private void onOpen() {
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foreground(getString(R.string.websocket_listening, settings.url()));
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}
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private void notifyMissedNotifications() {
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int messageId = lastReceivedMessage.get();
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if (messageId == NOT_LOADED) {
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return;
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}
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List<Message> messages = missingMessageUtil.missingMessages(messageId);
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if (messages.size() > 5) {
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onGroupedMessages(messages);
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} else {
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for (Message message : messages) {
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onMessage(message);
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}
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}
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}
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private void onGroupedMessages(List<Message> messages) {
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for (Message message : messages) {
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if (lastReceivedMessage.get() < message.getId()) {
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lastReceivedMessage.set(message.getId());
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}
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broadcast(message);
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}
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int size = messages.size();
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showNotification(
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NotificationSupport.ID.GROUPED,
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getString(R.string.missed_messages),
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getString(R.string.grouped_message, size));
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}
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private void onMessage(Message message) {
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if (lastReceivedMessage.get() < message.getId()) {
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lastReceivedMessage.set(message.getId());
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}
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broadcast(message);
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showNotification(message.getId(), message.getTitle(), message.getMessage());
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}
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private void broadcast(Message message) {
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Intent intent = new Intent();
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intent.setAction(NEW_MESSAGE_BROADCAST);
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intent.putExtra("message", Utils.json().serialize(message));
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sendBroadcast(intent);
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}
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@Nullable
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@Override
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public IBinder onBind(Intent intent) {
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return null;
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}
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private void foreground(String message) {
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Intent notificationIntent = new Intent(this, MessagesActivity.class);
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PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
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Notification notification =
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new NotificationCompat.Builder(this, NotificationSupport.Channel.FOREGROUND)
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.setSmallIcon(R.drawable.ic_gotify)
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.setOngoing(true)
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.setContentTitle(getString(R.string.app_name))
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.setContentText(message)
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.setStyle(new NotificationCompat.BigTextStyle().bigText(message))
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.setContentIntent(pendingIntent)
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.build();
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startForeground(NotificationSupport.ID.FOREGROUND, notification);
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}
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private void showNotification(int id, String title, String message) {
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Intent intent = new Intent(this, MessagesActivity.class);
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PendingIntent contentIntent =
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PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
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NotificationCompat.Builder b =
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new NotificationCompat.Builder(this, NotificationSupport.Channel.MESSAGES);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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showNotificationGroup();
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}
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b.setAutoCancel(true)
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.setDefaults(Notification.DEFAULT_ALL)
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.setWhen(System.currentTimeMillis())
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.setSmallIcon(R.drawable.ic_gotify)
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.setTicker(getString(R.string.app_name) + " - " + title)
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.setGroup(NotificationSupport.Group.MESSAGES)
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.setContentTitle(title)
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.setContentText(message)
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.setStyle(new NotificationCompat.BigTextStyle().bigText(message))
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.setDefaults(Notification.DEFAULT_LIGHTS | Notification.DEFAULT_SOUND)
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.setContentIntent(contentIntent);
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NotificationManager notificationManager =
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(NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
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notificationManager.notify(id, b.build());
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}
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@RequiresApi(Build.VERSION_CODES.N)
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public void showNotificationGroup() {
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Intent intent = new Intent(this, MessagesActivity.class);
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PendingIntent contentIntent =
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PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
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NotificationCompat.Builder b =
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new NotificationCompat.Builder(this, NotificationSupport.Channel.MESSAGES);
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b.setAutoCancel(true)
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.setDefaults(Notification.DEFAULT_ALL)
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.setWhen(System.currentTimeMillis())
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.setSmallIcon(R.drawable.ic_gotify)
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.setTicker(getString(R.string.app_name))
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.setGroup(NotificationSupport.Group.MESSAGES)
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.setContentTitle(getString(R.string.grouped_notification_text))
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.setGroupSummary(true)
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.setContentText(getString(R.string.grouped_notification_text))
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.setContentIntent(contentIntent);
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NotificationManager notificationManager =
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(NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
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notificationManager.notify(-5, b.build());
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}
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}
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