package org.briarproject.android; import static android.app.Notification.DEFAULT_LIGHTS; import static android.app.Notification.DEFAULT_SOUND; import static android.app.Notification.DEFAULT_VIBRATE; import static android.content.Context.NOTIFICATION_SERVICE; import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP; import static android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP; import static java.util.logging.Level.WARNING; import java.util.HashMap; import java.util.Map; import java.util.concurrent.Executor; import java.util.logging.Logger; import javax.inject.Inject; import org.briarproject.R; import org.briarproject.android.contact.ContactListActivity; import org.briarproject.android.contact.ConversationActivity; import org.briarproject.android.groups.GroupActivity; import org.briarproject.android.groups.GroupListActivity; import org.briarproject.api.ContactId; import org.briarproject.api.Settings; import org.briarproject.api.android.AndroidNotificationManager; import org.briarproject.api.db.DatabaseComponent; import org.briarproject.api.db.DatabaseExecutor; import org.briarproject.api.db.DbException; import org.briarproject.api.event.Event; import org.briarproject.api.event.EventListener; import org.briarproject.api.event.SettingsUpdatedEvent; import org.briarproject.api.lifecycle.Service; import org.briarproject.api.messaging.GroupId; import org.briarproject.util.StringUtils; import android.app.Application; import android.app.NotificationManager; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.support.v4.app.NotificationCompat; import android.support.v4.app.TaskStackBuilder; class AndroidNotificationManagerImpl implements AndroidNotificationManager, Service, EventListener { private static final int PRIVATE_MESSAGE_NOTIFICATION_ID = 3; private static final int GROUP_POST_NOTIFICATION_ID = 4; private static final Logger LOG = Logger.getLogger(AndroidNotificationManagerImpl.class.getName()); private final DatabaseComponent db; private final Executor dbExecutor; private final Context appContext; private final Map<ContactId, Integer> contactCounts = new HashMap<ContactId, Integer>(); // Locking: this private final Map<GroupId, Integer> groupCounts = new HashMap<GroupId, Integer>(); // Locking: this private int privateTotal = 0, groupTotal = 0; // Locking: this private int nextRequestId = 0; // Locking: this private volatile Settings settings = new Settings(); @Inject public AndroidNotificationManagerImpl(DatabaseComponent db, @DatabaseExecutor Executor dbExecutor, Application app) { this.db = db; this.dbExecutor = dbExecutor; appContext = app.getApplicationContext(); } public boolean start() { db.addListener(this); loadSettings(); return true; } private void loadSettings() { dbExecutor.execute(new Runnable() { public void run() { try { settings = db.getSettings(); } catch(DbException e) { if(LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e); } } }); } public boolean stop() { db.removeListener(this); return true; } public void eventOccurred(Event e) { if(e instanceof SettingsUpdatedEvent) loadSettings(); } public synchronized void showPrivateMessageNotification(ContactId c) { Integer count = contactCounts.get(c); if(count == null) contactCounts.put(c, 1); else contactCounts.put(c, count + 1); privateTotal++; updatePrivateMessageNotification(); } public synchronized void clearPrivateMessageNotification(ContactId c) { Integer count = contactCounts.remove(c); if(count == null) return; // Already cleared privateTotal -= count; updatePrivateMessageNotification(); } // Locking: this private void updatePrivateMessageNotification() { if(privateTotal == 0) { clearPrivateMessageNotification(); } else if(!settings.getBoolean("notifyPrivateMessages", true)) { return; } else { NotificationCompat.Builder b = new NotificationCompat.Builder(appContext); b.setSmallIcon(R.drawable.message_notification_icon); b.setContentTitle(appContext.getText(R.string.app_name)); b.setContentText(appContext.getResources().getQuantityString( R.plurals.private_message_notification_text, privateTotal, privateTotal)); boolean sound = settings.getBoolean("notifySound", true); String ringtoneUri = settings.get("notifyRingtoneUri"); if(sound && !StringUtils.isNullOrEmpty(ringtoneUri)) b.setSound(Uri.parse(ringtoneUri)); b.setDefaults(getDefaults()); b.setOnlyAlertOnce(true); b.setAutoCancel(true); if(contactCounts.size() == 1) { Intent i = new Intent(appContext, ConversationActivity.class); ContactId c = contactCounts.keySet().iterator().next(); i.putExtra("briar.CONTACT_ID", c.getInt()); i.setFlags(FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP); TaskStackBuilder t = TaskStackBuilder.create(appContext); t.addParentStack(ConversationActivity.class); t.addNextIntent(i); b.setContentIntent(t.getPendingIntent(nextRequestId++, 0)); } else { Intent i = new Intent(appContext, ContactListActivity.class); i.setFlags(FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP); TaskStackBuilder t = TaskStackBuilder.create(appContext); t.addParentStack(ContactListActivity.class); t.addNextIntent(i); b.setContentIntent(t.getPendingIntent(nextRequestId++, 0)); } Object o = appContext.getSystemService(NOTIFICATION_SERVICE); NotificationManager nm = (NotificationManager) o; nm.notify(PRIVATE_MESSAGE_NOTIFICATION_ID, b.build()); } } // Locking: this private void clearPrivateMessageNotification() { Object o = appContext.getSystemService(NOTIFICATION_SERVICE); NotificationManager nm = (NotificationManager) o; nm.cancel(PRIVATE_MESSAGE_NOTIFICATION_ID); } private int getDefaults() { int defaults = DEFAULT_LIGHTS; boolean sound = settings.getBoolean("notifySound", true); String ringtoneUri = settings.get("notifyRingtoneUri"); if(sound && StringUtils.isNullOrEmpty(ringtoneUri)) defaults |= DEFAULT_SOUND; if(settings.getBoolean("notifyVibration", true)) defaults |= DEFAULT_VIBRATE; return defaults; } public synchronized void showGroupPostNotification(GroupId g) { Integer count = groupCounts.get(g); if(count == null) groupCounts.put(g, 1); else groupCounts.put(g, count + 1); groupTotal++; updateGroupPostNotification(); } public synchronized void clearGroupPostNotification(GroupId g) { Integer count = groupCounts.remove(g); if(count == null) return; // Already cleared groupTotal -= count; updateGroupPostNotification(); } // Locking: this private void updateGroupPostNotification() { if(groupTotal == 0) { clearGroupPostNotification(); } else if(!settings.getBoolean("notifyGroupPosts", true)) { return; } else { NotificationCompat.Builder b = new NotificationCompat.Builder(appContext); b.setSmallIcon(R.drawable.message_notification_icon); b.setContentTitle(appContext.getText(R.string.app_name)); b.setContentText(appContext.getResources().getQuantityString( R.plurals.group_post_notification_text, groupTotal, groupTotal)); String ringtoneUri = settings.get("notifyRingtoneUri"); if(!StringUtils.isNullOrEmpty(ringtoneUri)) b.setSound(Uri.parse(ringtoneUri)); b.setDefaults(getDefaults()); b.setOnlyAlertOnce(true); b.setAutoCancel(true); if(groupCounts.size() == 1) { Intent i = new Intent(appContext, GroupActivity.class); GroupId g = groupCounts.keySet().iterator().next(); i.putExtra("briar.GROUP_ID", g.getBytes()); i.setFlags(FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP); TaskStackBuilder t = TaskStackBuilder.create(appContext); t.addParentStack(GroupActivity.class); t.addNextIntent(i); b.setContentIntent(t.getPendingIntent(nextRequestId++, 0)); } else { Intent i = new Intent(appContext, GroupListActivity.class); i.setFlags(FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP); TaskStackBuilder t = TaskStackBuilder.create(appContext); t.addParentStack(GroupListActivity.class); t.addNextIntent(i); b.setContentIntent(t.getPendingIntent(nextRequestId++, 0)); } Object o = appContext.getSystemService(NOTIFICATION_SERVICE); NotificationManager nm = (NotificationManager) o; nm.notify(GROUP_POST_NOTIFICATION_ID, b.build()); } } // Locking: this private void clearGroupPostNotification() { Object o = appContext.getSystemService(NOTIFICATION_SERVICE); NotificationManager nm = (NotificationManager) o; nm.cancel(GROUP_POST_NOTIFICATION_ID); } public synchronized void clearNotifications() { contactCounts.clear(); groupCounts.clear(); privateTotal = groupTotal = 0; clearPrivateMessageNotification(); clearGroupPostNotification(); } }