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package eu.siacs.conversations.services;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.PowerManager;
import android.os.SystemClock;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.TaskStackBuilder;
import android.text.Html;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.ui.ConversationActivity;
public class NotificationService {
private XmppConnectionService mXmppConnectionService;
private NotificationManager mNotificationManager;
private LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<String, ArrayList<Message>>();
public int NOTIFICATION_ID = 0x2342;
private Conversation mOpenConversation;
private boolean mIsInForeground;
private long mEndGracePeriod = 0L;
public NotificationService(XmppConnectionService service) {
this.mXmppConnectionService = service;
this.mNotificationManager = (NotificationManager) service
.getSystemService(Context.NOTIFICATION_SERVICE);
}
public void push(Message message) {
PowerManager pm = (PowerManager) mXmppConnectionService
.getSystemService(Context.POWER_SERVICE);
boolean isScreenOn = pm.isScreenOn();
if (this.mIsInForeground && isScreenOn
&& this.mOpenConversation == message.getConversation()) {
return;
}
synchronized (notifications) {
String conversationUuid = message.getConversationUuid();
if (notifications.containsKey(conversationUuid)) {
notifications.get(conversationUuid).add(message);
} else {
ArrayList<Message> mList = new ArrayList<Message>();
mList.add(message);
notifications.put(conversationUuid, mList);
}
}
updateNotification((!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
&& !inGracePeriod());
}
public void clear() {
synchronized (notifications) {
notifications.clear();
}
updateNotification(false);
}
public void clear(Conversation conversation) {
synchronized (notifications) {
notifications.remove(conversation.getUuid());
}
updateNotification(false);
}
private void updateNotification(boolean notify) {
SharedPreferences preferences = mXmppConnectionService.getPreferences();
String ringtone = preferences.getString("notification_ringtone", null);
boolean vibrate = preferences.getBoolean("vibrate_on_notification",
true);
if (notifications.size() == 0) {
mNotificationManager.cancel(NOTIFICATION_ID);
} else {
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
mXmppConnectionService);
mBuilder.setSmallIcon(R.drawable.ic_notification);
if (notifications.size() == 1) {
ArrayList<Message> messages = notifications.values().iterator()
.next();
if (messages.size() >= 1) {
Conversation conversation = messages.get(0)
.getConversation();
mBuilder.setLargeIcon(conversation.getImage(
mXmppConnectionService, 64));
mBuilder.setContentTitle(conversation.getName());
StringBuilder text = new StringBuilder();
for (int i = 0; i < messages.size(); ++i) {
text.append(messages.get(i).getReadableBody(
mXmppConnectionService));
if (i != messages.size() - 1) {
text.append("\n");
}
}
mBuilder.setStyle(new NotificationCompat.BigTextStyle()
.bigText(text.toString()));
mBuilder.setContentText(messages.get(0).getReadableBody(
mXmppConnectionService));
if (notify) {
mBuilder.setTicker(messages.get(messages.size() - 1)
.getReadableBody(mXmppConnectionService));
}
mBuilder.setContentIntent(createContentIntent(conversation
.getUuid()));
} else {
mNotificationManager.cancel(NOTIFICATION_ID);
return;
}
} else {
NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
style.setBigContentTitle(notifications.size()
+ " "
+ mXmppConnectionService
.getString(R.string.unread_conversations));
StringBuilder names = new StringBuilder();
Conversation conversation = null;
for (ArrayList<Message> messages : notifications.values()) {
if (messages.size() > 0) {
conversation = messages.get(0).getConversation();
String name = conversation.getName();
style.addLine(Html.fromHtml("<b>"
+ name
+ "</b> "
+ messages.get(0).getReadableBody(
mXmppConnectionService)));
names.append(name);
names.append(", ");
}
}
if (names.length() >= 2) {
names.delete(names.length() - 2, names.length());
}
mBuilder.setContentTitle(notifications.size()
+ " "
+ mXmppConnectionService
.getString(R.string.unread_conversations));
mBuilder.setContentText(names.toString());
mBuilder.setStyle(style);
if (conversation != null) {
mBuilder.setContentIntent(createContentIntent(conversation
.getUuid()));
}
}
if (notify) {
if (vibrate) {
int dat = 70;
long[] pattern = { 0, 3 * dat, dat, dat };
mBuilder.setVibrate(pattern);
}
if (ringtone != null) {
mBuilder.setSound(Uri.parse(ringtone));
}
}
mBuilder.setDeleteIntent(createDeleteIntent());
if (!inGracePeriod()) {
mBuilder.setLights(0xffffffff, 2000, 4000);
}
Notification notification = mBuilder.build();
mNotificationManager.notify(NOTIFICATION_ID, notification);
}
}
private PendingIntent createContentIntent(String conversationUuid) {
TaskStackBuilder stackBuilder = TaskStackBuilder
.create(mXmppConnectionService);
stackBuilder.addParentStack(ConversationActivity.class);
Intent viewConversationIntent = new Intent(mXmppConnectionService,
ConversationActivity.class);
viewConversationIntent.setAction(Intent.ACTION_VIEW);
viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
conversationUuid);
viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
stackBuilder.addNextIntent(viewConversationIntent);
PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
PendingIntent.FLAG_UPDATE_CURRENT);
return resultPendingIntent;
}
private PendingIntent createDeleteIntent() {
Intent intent = new Intent(mXmppConnectionService,
XmppConnectionService.class);
intent.setAction("clear_notification");
return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
}
public static boolean wasHighlightedOrPrivate(Message message) {
String nick = message.getConversation().getMucOptions().getActualNick();
Pattern highlight = generateNickHighlightPattern(nick);
if (message.getBody() == null || nick == null) {
return false;
}
Matcher m = highlight.matcher(message.getBody());
return (m.find() || message.getType() == Message.TYPE_PRIVATE);
}
private static Pattern generateNickHighlightPattern(String nick) {
// We expect a word boundary, i.e. space or start of string, followed by
// the
// nick (matched in case-insensitive manner), followed by optional
// punctuation (for example "bob: i disagree" or "how are you alice?"),
// followed by another word boundary.
return Pattern.compile("\\b" + nick + "\\p{Punct}?\\b",
Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
}
public void setOpenConversation(Conversation conversation) {
this.mOpenConversation = conversation;
}
public void setIsInForeground(boolean foreground) {
this.mIsInForeground = foreground;
}
public void activateGracePeriod() {
this.mEndGracePeriod = SystemClock.elapsedRealtime()
+ (Config.CARBON_GRACE_PERIOD * 1000);
}
public void deactivateGracePeriod() {
this.mEndGracePeriod = 0L;
}
private boolean inGracePeriod() {
return SystemClock.elapsedRealtime() < this.mEndGracePeriod;
}
}
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