NotificationService.java

  1package eu.siacs.conversations.services;
  2
  3import java.util.ArrayList;
  4import java.util.LinkedHashMap;
  5import java.util.regex.Matcher;
  6import java.util.regex.Pattern;
  7
  8import android.app.Notification;
  9import android.app.NotificationManager;
 10import android.app.PendingIntent;
 11import android.content.Context;
 12import android.content.Intent;
 13import android.content.SharedPreferences;
 14import android.net.Uri;
 15import android.support.v4.app.NotificationCompat;
 16import android.support.v4.app.TaskStackBuilder;
 17import android.text.Html;
 18
 19import eu.siacs.conversations.R;
 20import eu.siacs.conversations.entities.Conversation;
 21import eu.siacs.conversations.entities.Message;
 22import eu.siacs.conversations.ui.ConversationActivity;
 23
 24public class NotificationService {
 25
 26	private XmppConnectionService mXmppConnectionService;
 27	private NotificationManager mNotificationManager;
 28
 29	private LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<String, ArrayList<Message>>();
 30
 31	public int NOTIFICATION_ID = 0x2342;
 32	private Conversation mOpenConversation;
 33	private boolean mIsInForeground;
 34
 35	public NotificationService(XmppConnectionService service) {
 36		this.mXmppConnectionService = service;
 37		this.mNotificationManager = (NotificationManager) service
 38				.getSystemService(Context.NOTIFICATION_SERVICE);
 39	}
 40
 41	public synchronized void push(Message message) {
 42		if (this.mIsInForeground
 43				&& this.mOpenConversation == message.getConversation()) {
 44			return; // simply ignore
 45		}
 46		String conversationUuid = message.getConversationUuid();
 47		if (notifications.containsKey(conversationUuid)) {
 48			notifications.get(conversationUuid).add(message);
 49		} else {
 50			ArrayList<Message> mList = new ArrayList<Message>();
 51			mList.add(message);
 52			notifications.put(conversationUuid, mList);
 53		}
 54		updateNotification(!(this.mIsInForeground && this.mOpenConversation == null));
 55	}
 56
 57	public void clear() {
 58		notifications.clear();
 59		updateNotification(false);
 60	}
 61
 62	public void clear(Conversation conversation) {
 63		notifications.remove(conversation.getUuid());
 64		updateNotification(false);
 65	}
 66
 67	private void updateNotification(boolean notify) {
 68		SharedPreferences preferences = mXmppConnectionService.getPreferences();
 69
 70		String ringtone = preferences.getString("notification_ringtone", null);
 71		boolean vibrate = preferences.getBoolean("vibrate_on_notification",
 72				true);
 73
 74		if (notifications.size() == 0) {
 75			mNotificationManager.cancel(NOTIFICATION_ID);
 76		} else {
 77			NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
 78					mXmppConnectionService);
 79			mBuilder.setSmallIcon(R.drawable.ic_notification);
 80			if (notifications.size() == 1) {
 81				ArrayList<Message> messages = notifications.values().iterator()
 82						.next();
 83				if (messages.size() >= 1) {
 84					Conversation conversation = messages.get(0)
 85							.getConversation();
 86					mBuilder.setLargeIcon(conversation.getImage(
 87							mXmppConnectionService, 64));
 88					mBuilder.setContentTitle(conversation.getName());
 89					StringBuilder text = new StringBuilder();
 90					for (int i = 0; i < messages.size(); ++i) {
 91						text.append(messages.get(i).getReadableBody(
 92								mXmppConnectionService));
 93						if (i != messages.size() - 1) {
 94							text.append("\n");
 95						}
 96					}
 97					mBuilder.setStyle(new NotificationCompat.BigTextStyle()
 98							.bigText(text.toString()));
 99					mBuilder.setContentText(messages.get(0).getReadableBody(
100							mXmppConnectionService));
101					if (notify) {
102						mBuilder.setTicker(messages.get(messages.size() - 1)
103								.getReadableBody(mXmppConnectionService));
104					}
105					mBuilder.setContentIntent(createContentIntent(conversation
106							.getUuid()));
107				} else {
108					mNotificationManager.cancel(NOTIFICATION_ID);
109					return;
110				}
111			} else {
112				NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
113				style.setBigContentTitle(notifications.size()
114						+ " "
115						+ mXmppConnectionService
116								.getString(R.string.unread_conversations));
117				StringBuilder names = new StringBuilder();
118				Conversation conversation = null;
119				for (ArrayList<Message> messages : notifications.values()) {
120					if (messages.size() > 0) {
121						conversation = messages.get(0).getConversation();
122						String name = conversation.getName();
123						style.addLine(Html.fromHtml("<b>"
124								+ name
125								+ "</b> "
126								+ messages.get(0).getReadableBody(
127										mXmppConnectionService)));
128						names.append(name);
129						names.append(", ");
130					}
131				}
132				if (names.length() >= 2) {
133					names.delete(names.length() - 2, names.length());
134				}
135				mBuilder.setContentTitle(notifications.size()
136						+ " "
137						+ mXmppConnectionService
138								.getString(R.string.unread_conversations));
139				mBuilder.setContentText(names.toString());
140				mBuilder.setStyle(style);
141				if (conversation != null) {
142					mBuilder.setContentIntent(createContentIntent(conversation
143							.getUuid()));
144				}
145			}
146			if (notify) {
147				if (vibrate) {
148					int dat = 70;
149					long[] pattern = { 0, 3 * dat, dat, dat };
150					mBuilder.setVibrate(pattern);
151				}
152				if (ringtone != null) {
153					mBuilder.setSound(Uri.parse(ringtone));
154				}
155			}
156			mBuilder.setDeleteIntent(createDeleteIntent());
157			mBuilder.setLights(0xffffffff, 2000, 4000);
158			Notification notification = mBuilder.build();
159			mNotificationManager.notify(NOTIFICATION_ID, notification);
160		}
161	}
162
163	private PendingIntent createContentIntent(String conversationUuid) {
164		TaskStackBuilder stackBuilder = TaskStackBuilder
165				.create(mXmppConnectionService);
166		stackBuilder.addParentStack(ConversationActivity.class);
167
168		Intent viewConversationIntent = new Intent(mXmppConnectionService,
169				ConversationActivity.class);
170		viewConversationIntent.setAction(Intent.ACTION_VIEW);
171		viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
172				conversationUuid);
173		viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
174
175		stackBuilder.addNextIntent(viewConversationIntent);
176
177		PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
178				PendingIntent.FLAG_UPDATE_CURRENT);
179		return resultPendingIntent;
180	}
181
182	private PendingIntent createDeleteIntent() {
183		Intent intent = new Intent(mXmppConnectionService,
184				XmppConnectionService.class);
185		intent.setAction("clear_notification");
186		return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
187	}
188
189	public static boolean wasHighlightedOrPrivate(Message message) {
190		String nick = message.getConversation().getMucOptions().getActualNick();
191		Pattern highlight = generateNickHighlightPattern(nick);
192		Matcher m = highlight.matcher(message.getBody());
193		return (m.find() || message.getType() == Message.TYPE_PRIVATE);
194	}
195
196	private static Pattern generateNickHighlightPattern(String nick) {
197		// We expect a word boundary, i.e. space or start of string, followed by
198		// the
199		// nick (matched in case-insensitive manner), followed by optional
200		// punctuation (for example "bob: i disagree" or "how are you alice?"),
201		// followed by another word boundary.
202		return Pattern.compile("\\b" + nick + "\\p{Punct}?\\b",
203				Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
204	}
205
206	public void setOpenConversation(Conversation conversation) {
207		this.mOpenConversation = conversation;
208	}
209
210	public void setIsInForeground(boolean foreground) {
211		this.mIsInForeground = foreground;
212	}
213
214}