XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.annotation.SuppressLint;
   4import android.app.AlarmManager;
   5import android.app.PendingIntent;
   6import android.app.Service;
   7import android.content.Context;
   8import android.content.Intent;
   9import android.content.IntentFilter;
  10import android.content.SharedPreferences;
  11import android.database.ContentObserver;
  12import android.graphics.Bitmap;
  13import android.media.AudioManager;
  14import android.net.ConnectivityManager;
  15import android.net.NetworkInfo;
  16import android.net.Uri;
  17import android.os.Binder;
  18import android.os.Build;
  19import android.os.Bundle;
  20import android.os.FileObserver;
  21import android.os.IBinder;
  22import android.os.Looper;
  23import android.os.PowerManager;
  24import android.os.PowerManager.WakeLock;
  25import android.os.SystemClock;
  26import android.preference.PreferenceManager;
  27import android.provider.ContactsContract;
  28import android.security.KeyChain;
  29import android.util.DisplayMetrics;
  30import android.util.Log;
  31import android.util.LruCache;
  32import android.util.Pair;
  33
  34import net.java.otr4j.OtrException;
  35import net.java.otr4j.session.Session;
  36import net.java.otr4j.session.SessionID;
  37import net.java.otr4j.session.SessionImpl;
  38import net.java.otr4j.session.SessionStatus;
  39
  40import org.openintents.openpgp.IOpenPgpService2;
  41import org.openintents.openpgp.util.OpenPgpApi;
  42import org.openintents.openpgp.util.OpenPgpServiceConnection;
  43
  44import java.math.BigInteger;
  45import java.security.SecureRandom;
  46import java.security.cert.CertificateException;
  47import java.security.cert.X509Certificate;
  48import java.util.ArrayList;
  49import java.util.Arrays;
  50import java.util.Collection;
  51import java.util.Collections;
  52import java.util.Comparator;
  53import java.util.HashMap;
  54import java.util.Hashtable;
  55import java.util.Iterator;
  56import java.util.List;
  57import java.util.Locale;
  58import java.util.Map;
  59import java.util.concurrent.CopyOnWriteArrayList;
  60
  61import de.duenndns.ssl.MemorizingTrustManager;
  62import eu.siacs.conversations.Config;
  63import eu.siacs.conversations.R;
  64import eu.siacs.conversations.crypto.PgpEngine;
  65import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  66import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  67import eu.siacs.conversations.entities.Account;
  68import eu.siacs.conversations.entities.Blockable;
  69import eu.siacs.conversations.entities.Bookmark;
  70import eu.siacs.conversations.entities.Contact;
  71import eu.siacs.conversations.entities.Conversation;
  72import eu.siacs.conversations.entities.Message;
  73import eu.siacs.conversations.entities.MucOptions;
  74import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  75import eu.siacs.conversations.entities.Presence;
  76import eu.siacs.conversations.entities.Roster;
  77import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  78import eu.siacs.conversations.entities.Transferable;
  79import eu.siacs.conversations.entities.TransferablePlaceholder;
  80import eu.siacs.conversations.generator.IqGenerator;
  81import eu.siacs.conversations.generator.MessageGenerator;
  82import eu.siacs.conversations.generator.PresenceGenerator;
  83import eu.siacs.conversations.http.HttpConnectionManager;
  84import eu.siacs.conversations.parser.IqParser;
  85import eu.siacs.conversations.parser.MessageParser;
  86import eu.siacs.conversations.parser.PresenceParser;
  87import eu.siacs.conversations.persistance.DatabaseBackend;
  88import eu.siacs.conversations.persistance.FileBackend;
  89import eu.siacs.conversations.ui.UiCallback;
  90import eu.siacs.conversations.utils.CryptoHelper;
  91import eu.siacs.conversations.utils.ExceptionHelper;
  92import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
  93import eu.siacs.conversations.utils.PRNGFixes;
  94import eu.siacs.conversations.utils.PhoneHelper;
  95import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
  96import eu.siacs.conversations.utils.Xmlns;
  97import eu.siacs.conversations.xml.Element;
  98import eu.siacs.conversations.xmpp.OnBindListener;
  99import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 100import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 101import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 102import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 103import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 104import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 105import eu.siacs.conversations.xmpp.OnStatusChanged;
 106import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 107import eu.siacs.conversations.xmpp.XmppConnection;
 108import eu.siacs.conversations.xmpp.chatstate.ChatState;
 109import eu.siacs.conversations.xmpp.forms.Data;
 110import eu.siacs.conversations.xmpp.forms.Field;
 111import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 112import eu.siacs.conversations.xmpp.jid.Jid;
 113import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 114import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 115import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 116import eu.siacs.conversations.xmpp.pep.Avatar;
 117import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 118import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 119import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 120import me.leolin.shortcutbadger.ShortcutBadger;
 121
 122public class XmppConnectionService extends Service implements OnPhoneContactsLoadedListener {
 123
 124	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 125	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 126	public static final String ACTION_TRY_AGAIN = "try_again";
 127	public static final String ACTION_DISABLE_ACCOUNT = "disable_account";
 128	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 129	public static final String ACTION_GCM_TOKEN_REFRESH = "gcm_token_refresh";
 130	public static final String ACTION_GCM_MESSAGE_RECEIVED = "gcm_message_received";
 131	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 132	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 133	private final IBinder mBinder = new XmppConnectionBinder();
 134	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 135	private final IqGenerator mIqGenerator = new IqGenerator(this);
 136	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 137	public DatabaseBackend databaseBackend;
 138	private ContentObserver contactObserver = new ContentObserver(null) {
 139		@Override
 140		public void onChange(boolean selfChange) {
 141			super.onChange(selfChange);
 142			Intent intent = new Intent(getApplicationContext(),
 143					XmppConnectionService.class);
 144			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 145			startService(intent);
 146		}
 147	};
 148	private FileBackend fileBackend = new FileBackend(this);
 149	private MemorizingTrustManager mMemorizingTrustManager;
 150	private NotificationService mNotificationService = new NotificationService(
 151			this);
 152	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 153	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 154	private IqParser mIqParser = new IqParser(this);
 155	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 156		@Override
 157		public void onIqPacketReceived(Account account, IqPacket packet) {
 158			if (packet.getType() != IqPacket.TYPE.RESULT) {
 159				Element error = packet.findChild("error");
 160				String text = error != null ? error.findChildContent("text") : null;
 161				if (text != null) {
 162					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": received iq error - " + text);
 163				}
 164			}
 165		}
 166	};
 167	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 168	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 169	private List<Account> accounts;
 170	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 171			this);
 172	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 173
 174		@Override
 175		public void onContactStatusChanged(Contact contact, boolean online) {
 176			Conversation conversation = find(getConversations(), contact);
 177			if (conversation != null) {
 178				if (online) {
 179					conversation.endOtrIfNeeded();
 180					if (contact.getPresences().size() == 1) {
 181						sendUnsentMessages(conversation);
 182					}
 183				} else {
 184					if (contact.getPresences().size() >= 1) {
 185						if (conversation.hasValidOtrSession()) {
 186							String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 187							if (!(Arrays.asList(contact.getPresences().asStringArray()).contains(otrResource))) {
 188								conversation.endOtrIfNeeded();
 189							}
 190						}
 191					} else {
 192						conversation.endOtrIfNeeded();
 193					}
 194				}
 195			}
 196		}
 197	};
 198	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 199			this);
 200	private AvatarService mAvatarService = new AvatarService(this);
 201	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 202	private PushManagementService mPushManagementService = new PushManagementService(this);
 203	private OnConversationUpdate mOnConversationUpdate = null;
 204	private final FileObserver fileObserver = new FileObserver(
 205			FileBackend.getConversationsImageDirectory()) {
 206
 207		@Override
 208		public void onEvent(int event, String path) {
 209			if (event == FileObserver.DELETE) {
 210				markFileDeleted(path.split("\\.")[0]);
 211			}
 212		}
 213	};
 214	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 215
 216		@Override
 217		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 218			mJingleConnectionManager.deliverPacket(account, packet);
 219		}
 220	};
 221	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 222
 223		@Override
 224		public void onMessageAcknowledged(Account account, String uuid) {
 225			for (final Conversation conversation : getConversations()) {
 226				if (conversation.getAccount() == account) {
 227					Message message = conversation.findUnsentMessageWithUuid(uuid);
 228					if (message != null) {
 229						markMessage(message, Message.STATUS_SEND);
 230					}
 231				}
 232			}
 233		}
 234	};
 235	private int convChangedListenerCount = 0;
 236	private OnShowErrorToast mOnShowErrorToast = null;
 237	private int showErrorToastListenerCount = 0;
 238	private int unreadCount = -1;
 239	private OnAccountUpdate mOnAccountUpdate = null;
 240	private OnCaptchaRequested mOnCaptchaRequested = null;
 241	private int accountChangedListenerCount = 0;
 242	private int captchaRequestedListenerCount = 0;
 243	private OnRosterUpdate mOnRosterUpdate = null;
 244	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 245	private int updateBlocklistListenerCount = 0;
 246	private int rosterChangedListenerCount = 0;
 247	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 248	private int mucRosterChangedListenerCount = 0;
 249	private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
 250	private int keyStatusUpdatedListenerCount = 0;
 251	private SecureRandom mRandom;
 252	private LruCache<Pair<String,String>,ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 253	private final OnBindListener mOnBindListener = new OnBindListener() {
 254
 255		@Override
 256		public void onBind(final Account account) {
 257			account.getRoster().clearPresences();
 258			mJingleConnectionManager.cancelInTransmission();
 259			fetchRosterFromServer(account);
 260			fetchBookmarks(account);
 261			sendPresence(account);
 262			if (mPushManagementService.available(account)) {
 263				mPushManagementService.registerPushTokenOnServer(account);
 264			}
 265			mMessageArchiveService.executePendingQueries(account);
 266			connectMultiModeConversations(account);
 267			syncDirtyContacts(account);
 268		}
 269	};
 270	private OnStatusChanged statusListener = new OnStatusChanged() {
 271
 272		@Override
 273		public void onStatusChanged(final Account account) {
 274			XmppConnection connection = account.getXmppConnection();
 275			if (mOnAccountUpdate != null) {
 276				mOnAccountUpdate.onAccountUpdate();
 277			}
 278			if (account.getStatus() == Account.State.ONLINE) {
 279				if (connection != null && connection.getFeatures().csi()) {
 280					if (checkListeners()) {
 281						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//inactive");
 282						connection.sendInactive();
 283					} else {
 284						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//active");
 285						connection.sendActive();
 286					}
 287				}
 288				List<Conversation> conversations = getConversations();
 289				for (Conversation conversation : conversations) {
 290					if (conversation.getAccount() == account && conversation.getMode() == Conversation.MODE_SINGLE) {
 291						conversation.startOtrIfNeeded();
 292						sendUnsentMessages(conversation);
 293					}
 294				}
 295				for (Conversation conversation : account.pendingConferenceLeaves) {
 296					leaveMuc(conversation);
 297				}
 298				account.pendingConferenceLeaves.clear();
 299				for (Conversation conversation : account.pendingConferenceJoins) {
 300					joinMuc(conversation);
 301				}
 302				account.pendingConferenceJoins.clear();
 303				scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 304			} else if (account.getStatus() == Account.State.OFFLINE) {
 305				resetSendingToWaiting(account);
 306				final boolean disabled = account.isOptionSet(Account.OPTION_DISABLED);
 307				final boolean pushMode = Config.CLOSE_TCP_WHEN_SWITCHING_TO_BACKGROUND
 308						&& mPushManagementService.available(account)
 309						&& checkListeners();
 310				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": push mode "+Boolean.toString(pushMode));
 311				if (!disabled && !pushMode) {
 312					int timeToReconnect = mRandom.nextInt(20) + 10;
 313					scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 314				}
 315			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 316				databaseBackend.updateAccount(account);
 317				reconnectAccount(account, true, false);
 318			} else if ((account.getStatus() != Account.State.CONNECTING)
 319					&& (account.getStatus() != Account.State.NO_INTERNET)) {
 320				if (connection != null) {
 321					int next = connection.getTimeToNextAttempt();
 322					Log.d(Config.LOGTAG, account.getJid().toBareJid()
 323							+ ": error connecting account. try again in "
 324							+ next + "s for the "
 325							+ (connection.getAttempt() + 1) + " time");
 326					scheduleWakeUpCall(next, account.getUuid().hashCode());
 327				}
 328			}
 329			getNotificationService().updateErrorNotification();
 330		}
 331	};
 332	private OpenPgpServiceConnection pgpServiceConnection;
 333	private PgpEngine mPgpEngine = null;
 334	private WakeLock wakeLock;
 335	private PowerManager pm;
 336	private LruCache<String, Bitmap> mBitmapCache;
 337	private Thread mPhoneContactMergerThread;
 338	private EventReceiver mEventReceiver = new EventReceiver();
 339
 340	private boolean mRestoredFromDatabase = false;
 341
 342	private static String generateFetchKey(Account account, final Avatar avatar) {
 343		return account.getJid().toBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 344	}
 345
 346	public boolean areMessagesInitialized() {
 347		return this.mRestoredFromDatabase;
 348	}
 349
 350	public PgpEngine getPgpEngine() {
 351		if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 352			if (this.mPgpEngine == null) {
 353				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 354						getApplicationContext(),
 355						pgpServiceConnection.getService()), this);
 356			}
 357			return mPgpEngine;
 358		} else {
 359			return null;
 360		}
 361
 362	}
 363
 364	public FileBackend getFileBackend() {
 365		return this.fileBackend;
 366	}
 367
 368	public AvatarService getAvatarService() {
 369		return this.mAvatarService;
 370	}
 371
 372	public void attachLocationToConversation(final Conversation conversation,
 373											 final Uri uri,
 374											 final UiCallback<Message> callback) {
 375		int encryption = conversation.getNextEncryption();
 376		if (encryption == Message.ENCRYPTION_PGP) {
 377			encryption = Message.ENCRYPTION_DECRYPTED;
 378		}
 379		Message message = new Message(conversation, uri.toString(), encryption);
 380		if (conversation.getNextCounterpart() != null) {
 381			message.setCounterpart(conversation.getNextCounterpart());
 382		}
 383		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 384			getPgpEngine().encrypt(message, callback);
 385		} else {
 386			callback.success(message);
 387		}
 388	}
 389
 390	public void attachFileToConversation(final Conversation conversation,
 391										 final Uri uri,
 392										 final UiCallback<Message> callback) {
 393		final Message message;
 394		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 395			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 396		} else {
 397			message = new Message(conversation, "", conversation.getNextEncryption());
 398		}
 399		message.setCounterpart(conversation.getNextCounterpart());
 400		message.setType(Message.TYPE_FILE);
 401		String path = getFileBackend().getOriginalPath(uri);
 402		if (path != null) {
 403			message.setRelativeFilePath(path);
 404			getFileBackend().updateFileParams(message);
 405			if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 406				getPgpEngine().encrypt(message, callback);
 407			} else {
 408				callback.success(message);
 409			}
 410		} else {
 411			mFileAddingExecutor.execute(new Runnable() {
 412				@Override
 413				public void run() {
 414					try {
 415						getFileBackend().copyFileToPrivateStorage(message, uri);
 416						getFileBackend().updateFileParams(message);
 417						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 418							getPgpEngine().encrypt(message, callback);
 419						} else {
 420							callback.success(message);
 421						}
 422					} catch (FileBackend.FileCopyException e) {
 423						callback.error(e.getResId(), message);
 424					}
 425				}
 426			});
 427		}
 428	}
 429
 430	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 431		final String compressPictures = getCompressPicturesPreference();
 432		if ("never".equals(compressPictures)
 433				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))) {
 434			Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+ ": not compressing picture. sending as file");
 435			attachFileToConversation(conversation, uri, callback);
 436			return;
 437		}
 438		final Message message;
 439		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 440			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 441		} else {
 442			message = new Message(conversation, "", conversation.getNextEncryption());
 443		}
 444		message.setCounterpart(conversation.getNextCounterpart());
 445		message.setType(Message.TYPE_IMAGE);
 446		mFileAddingExecutor.execute(new Runnable() {
 447
 448			@Override
 449			public void run() {
 450				try {
 451					getFileBackend().copyImageToPrivateStorage(message, uri);
 452					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 453						getPgpEngine().encrypt(message, callback);
 454					} else {
 455						callback.success(message);
 456					}
 457				} catch (final FileBackend.FileCopyException e) {
 458					callback.error(e.getResId(), message);
 459				}
 460			}
 461		});
 462	}
 463
 464	public Conversation find(Bookmark bookmark) {
 465		return find(bookmark.getAccount(), bookmark.getJid());
 466	}
 467
 468	public Conversation find(final Account account, final Jid jid) {
 469		return find(getConversations(), account, jid);
 470	}
 471
 472	@Override
 473	public int onStartCommand(Intent intent, int flags, int startId) {
 474		final String action = intent == null ? null : intent.getAction();
 475		boolean interactive = false;
 476		if (action != null) {
 477			Log.d(Config.LOGTAG,"start reason: "+action);
 478			switch (action) {
 479				case ConnectivityManager.CONNECTIVITY_ACTION:
 480					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 481						resetAllAttemptCounts(true);
 482					}
 483					break;
 484				case ACTION_MERGE_PHONE_CONTACTS:
 485					if (mRestoredFromDatabase) {
 486						loadPhoneContacts();
 487					}
 488					return START_STICKY;
 489				case Intent.ACTION_SHUTDOWN:
 490					logoutAndSave();
 491					return START_NOT_STICKY;
 492				case ACTION_CLEAR_NOTIFICATION:
 493					mNotificationService.clear();
 494					break;
 495				case ACTION_DISABLE_FOREGROUND:
 496					getPreferences().edit().putBoolean("keep_foreground_service", false).commit();
 497					toggleForegroundService();
 498					break;
 499				case ACTION_TRY_AGAIN:
 500					resetAllAttemptCounts(false);
 501					interactive = true;
 502					break;
 503				case ACTION_DISABLE_ACCOUNT:
 504					try {
 505						String jid = intent.getStringExtra("account");
 506						Account account = jid == null ? null : findAccountByJid(Jid.fromString(jid));
 507						if (account != null) {
 508							account.setOption(Account.OPTION_DISABLED, true);
 509							updateAccount(account);
 510						}
 511					} catch (final InvalidJidException ignored) {
 512						break;
 513					}
 514					break;
 515				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 516					if (xaOnSilentMode()) {
 517						refreshAllPresences();
 518					}
 519					break;
 520				case Intent.ACTION_SCREEN_OFF:
 521				case Intent.ACTION_SCREEN_ON:
 522					if (awayWhenScreenOff()) {
 523						refreshAllPresences();
 524					}
 525					break;
 526				case ACTION_GCM_TOKEN_REFRESH:
 527					refreshAllGcmTokens();
 528					break;
 529				case ACTION_GCM_MESSAGE_RECEIVED:
 530					Log.d(Config.LOGTAG,"gcm push message arrived in service. extras="+intent.getExtras());
 531			}
 532		}
 533		this.wakeLock.acquire();
 534
 535		for (Account account : accounts) {
 536			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 537				if (!hasInternetConnection()) {
 538					account.setStatus(Account.State.NO_INTERNET);
 539					if (statusListener != null) {
 540						statusListener.onStatusChanged(account);
 541					}
 542				} else {
 543					if (account.getStatus() == Account.State.NO_INTERNET) {
 544						account.setStatus(Account.State.OFFLINE);
 545						if (statusListener != null) {
 546							statusListener.onStatusChanged(account);
 547						}
 548					}
 549					if (account.getStatus() == Account.State.ONLINE) {
 550						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 551						long lastSent = account.getXmppConnection().getLastPingSent();
 552						long pingInterval = "ui".equals(action) ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 553						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 554						long pingTimeoutIn = (lastSent + Config.PING_TIMEOUT * 1000) - SystemClock.elapsedRealtime();
 555						if (lastSent > lastReceived) {
 556							if (pingTimeoutIn < 0) {
 557								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 558								this.reconnectAccount(account, true, interactive);
 559							} else {
 560								int secs = (int) (pingTimeoutIn / 1000);
 561								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 562							}
 563						} else if (msToNextPing <= 0) {
 564							account.getXmppConnection().sendPing();
 565							Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping");
 566							this.scheduleWakeUpCall(Config.PING_TIMEOUT, account.getUuid().hashCode());
 567						} else {
 568							this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 569						}
 570					} else if (account.getStatus() == Account.State.OFFLINE) {
 571						reconnectAccount(account, true, interactive);
 572					} else if (account.getStatus() == Account.State.CONNECTING) {
 573						long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 574						long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 575						long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 576						long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 577						if (timeout < 0) {
 578							Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting");
 579							reconnectAccount(account, true, interactive);
 580						} else if (discoTimeout < 0) {
 581							account.getXmppConnection().sendDiscoTimeout();
 582							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 583						} else {
 584							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 585						}
 586					} else {
 587						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 588							reconnectAccount(account, true, interactive);
 589						}
 590					}
 591				}
 592				if (mOnAccountUpdate != null) {
 593					mOnAccountUpdate.onAccountUpdate();
 594				}
 595			}
 596		}
 597		if (wakeLock.isHeld()) {
 598			try {
 599				wakeLock.release();
 600			} catch (final RuntimeException ignored) {
 601			}
 602		}
 603		return START_STICKY;
 604	}
 605
 606	private boolean xaOnSilentMode() {
 607		return getPreferences().getBoolean("xa_on_silent_mode", false);
 608	}
 609
 610	private boolean awayWhenScreenOff() {
 611		return getPreferences().getBoolean("away_when_screen_off", false);
 612	}
 613
 614	private String getCompressPicturesPreference() {
 615		return getPreferences().getString("picture_compression", "auto");
 616	}
 617
 618	private Presence.Status getTargetPresence() {
 619		if (xaOnSilentMode() && isPhoneSilenced()) {
 620			return Presence.Status.XA;
 621		} else if (awayWhenScreenOff() && !isInteractive()) {
 622			return Presence.Status.AWAY;
 623		} else {
 624			return Presence.Status.ONLINE;
 625		}
 626	}
 627
 628	@SuppressLint("NewApi")
 629	@SuppressWarnings("deprecation")
 630	public boolean isInteractive() {
 631		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 632
 633		final boolean isScreenOn;
 634		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 635			isScreenOn = pm.isScreenOn();
 636		} else {
 637			isScreenOn = pm.isInteractive();
 638		}
 639		return isScreenOn;
 640	}
 641
 642	private boolean isPhoneSilenced() {
 643		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 644		return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 645	}
 646
 647	private void resetAllAttemptCounts(boolean reallyAll) {
 648		Log.d(Config.LOGTAG, "resetting all attepmt counts");
 649		for (Account account : accounts) {
 650			if (account.hasErrorStatus() || reallyAll) {
 651				final XmppConnection connection = account.getXmppConnection();
 652				if (connection != null) {
 653					connection.resetAttemptCount();
 654				}
 655			}
 656		}
 657	}
 658
 659	public boolean hasInternetConnection() {
 660		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 661				.getSystemService(Context.CONNECTIVITY_SERVICE);
 662		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 663		return activeNetwork != null && activeNetwork.isConnected();
 664	}
 665
 666	@SuppressLint("TrulyRandom")
 667	@Override
 668	public void onCreate() {
 669		ExceptionHelper.init(getApplicationContext());
 670		PRNGFixes.apply();
 671		this.mRandom = new SecureRandom();
 672		updateMemorizingTrustmanager();
 673		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 674		final int cacheSize = maxMemory / 8;
 675		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 676			@Override
 677			protected int sizeOf(final String key, final Bitmap bitmap) {
 678				return bitmap.getByteCount() / 1024;
 679			}
 680		};
 681
 682		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 683		this.accounts = databaseBackend.getAccounts();
 684
 685		restoreFromDatabase();
 686
 687		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 688		this.fileObserver.startWatching();
 689
 690		this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 691			@Override
 692			public void onBound(IOpenPgpService2 service) {
 693				for (Account account : accounts) {
 694					if (account.getPgpDecryptionService() != null) {
 695						account.getPgpDecryptionService().onOpenPgpServiceBound();
 696					}
 697				}
 698			}
 699
 700			@Override
 701			public void onError(Exception e) { }
 702		});
 703		this.pgpServiceConnection.bindToService();
 704
 705		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 706		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 707		toggleForegroundService();
 708		updateUnreadCountBadge();
 709		toggleScreenEventReceiver();
 710	}
 711
 712	@Override
 713	public void onTrimMemory(int level) {
 714		super.onTrimMemory(level);
 715		if (level >= TRIM_MEMORY_COMPLETE) {
 716			Log.d(Config.LOGTAG, "clear cache due to low memory");
 717			getBitmapCache().evictAll();
 718		}
 719	}
 720
 721	@Override
 722	public void onDestroy() {
 723		try {
 724			unregisterReceiver(this.mEventReceiver);
 725		} catch (IllegalArgumentException e) {
 726			//ignored
 727		}
 728		super.onDestroy();
 729	}
 730
 731	public void toggleScreenEventReceiver() {
 732		if (awayWhenScreenOff()) {
 733			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 734			filter.addAction(Intent.ACTION_SCREEN_OFF);
 735			registerReceiver(this.mEventReceiver, filter);
 736		} else {
 737			try {
 738				unregisterReceiver(this.mEventReceiver);
 739			} catch (IllegalArgumentException e) {
 740				//ignored
 741			}
 742		}
 743	}
 744
 745	public void toggleForegroundService() {
 746		if (getPreferences().getBoolean("keep_foreground_service", false)) {
 747			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 748		} else {
 749			stopForeground(true);
 750		}
 751	}
 752
 753	@Override
 754	public void onTaskRemoved(final Intent rootIntent) {
 755		super.onTaskRemoved(rootIntent);
 756		if (!getPreferences().getBoolean("keep_foreground_service", false)) {
 757			this.logoutAndSave();
 758		}
 759	}
 760
 761	private void logoutAndSave() {
 762		for (final Account account : accounts) {
 763			databaseBackend.writeRoster(account.getRoster());
 764			if (account.getXmppConnection() != null) {
 765				new Thread(new Runnable() {
 766					@Override
 767					public void run() {
 768						disconnect(account, false);
 769					}
 770				}).start();
 771				cancelWakeUpCall(account.getUuid().hashCode());
 772			}
 773		}
 774		Log.d(Config.LOGTAG, "good bye");
 775		stopSelf();
 776	}
 777
 778	private void cancelWakeUpCall(int requestCode) {
 779		final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 780		final Intent intent = new Intent(this, EventReceiver.class);
 781		intent.setAction("ping");
 782		alarmManager.cancel(PendingIntent.getBroadcast(this, requestCode, intent, 0));
 783	}
 784
 785	public void scheduleWakeUpCall(int seconds, int requestCode) {
 786		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 787
 788		Context context = getApplicationContext();
 789		AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
 790
 791		Intent intent = new Intent(context, EventReceiver.class);
 792		intent.setAction("ping");
 793		PendingIntent alarmIntent = PendingIntent.getBroadcast(context, requestCode, intent, 0);
 794		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
 795	}
 796
 797	public XmppConnection createConnection(final Account account) {
 798		final SharedPreferences sharedPref = getPreferences();
 799		account.setResource(sharedPref.getString("resource", "mobile")
 800				.toLowerCase(Locale.getDefault()));
 801		final XmppConnection connection = new XmppConnection(account, this);
 802		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
 803		connection.setOnStatusChangedListener(this.statusListener);
 804		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
 805		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
 806		connection.setOnJinglePacketReceivedListener(this.jingleListener);
 807		connection.setOnBindListener(this.mOnBindListener);
 808		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
 809		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
 810		AxolotlService axolotlService = account.getAxolotlService();
 811		if (axolotlService != null) {
 812			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
 813		}
 814		return connection;
 815	}
 816
 817	public void sendChatState(Conversation conversation) {
 818		if (sendChatStates()) {
 819			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
 820			sendMessagePacket(conversation.getAccount(), packet);
 821		}
 822	}
 823
 824	private void sendFileMessage(final Message message, final boolean delay) {
 825		Log.d(Config.LOGTAG, "send file message");
 826		final Account account = message.getConversation().getAccount();
 827		final XmppConnection connection = account.getXmppConnection();
 828		if (connection != null && connection.getFeatures().httpUpload()) {
 829			mHttpConnectionManager.createNewUploadConnection(message, delay);
 830		} else {
 831			mJingleConnectionManager.createNewConnection(message);
 832		}
 833	}
 834
 835	public void sendMessage(final Message message) {
 836		sendMessage(message, false, false);
 837	}
 838
 839	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
 840		final Account account = message.getConversation().getAccount();
 841		final Conversation conversation = message.getConversation();
 842		account.deactivateGracePeriod();
 843		MessagePacket packet = null;
 844		final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
 845				|| account.getServerIdentity() != XmppConnection.Identity.SLACK)
 846				&& !message.edited();
 847		boolean saveInDb = addToConversation;
 848		message.setStatus(Message.STATUS_WAITING);
 849
 850		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
 851			message.getConversation().endOtrIfNeeded();
 852			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
 853					new Conversation.OnMessageFound() {
 854						@Override
 855						public void onMessageFound(Message message) {
 856							markMessage(message, Message.STATUS_SEND_FAILED);
 857						}
 858					});
 859		}
 860
 861		if (account.isOnlineAndConnected()) {
 862			switch (message.getEncryption()) {
 863				case Message.ENCRYPTION_NONE:
 864					if (message.needsUploading()) {
 865						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 866							this.sendFileMessage(message, delay);
 867						} else {
 868							break;
 869						}
 870					} else {
 871						packet = mMessageGenerator.generateChat(message);
 872					}
 873					break;
 874				case Message.ENCRYPTION_PGP:
 875				case Message.ENCRYPTION_DECRYPTED:
 876					if (message.needsUploading()) {
 877						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 878							this.sendFileMessage(message, delay);
 879						} else {
 880							break;
 881						}
 882					} else {
 883						packet = mMessageGenerator.generatePgpChat(message);
 884					}
 885					break;
 886				case Message.ENCRYPTION_OTR:
 887					SessionImpl otrSession = conversation.getOtrSession();
 888					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
 889						try {
 890							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
 891						} catch (InvalidJidException e) {
 892							break;
 893						}
 894						if (message.needsUploading()) {
 895							mJingleConnectionManager.createNewConnection(message);
 896						} else {
 897							packet = mMessageGenerator.generateOtrChat(message);
 898						}
 899					} else if (otrSession == null) {
 900						if (message.fixCounterpart()) {
 901							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
 902						} else {
 903							break;
 904						}
 905					}
 906					break;
 907				case Message.ENCRYPTION_AXOLOTL:
 908					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 909					if (message.needsUploading()) {
 910						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 911							this.sendFileMessage(message, delay);
 912						} else {
 913							break;
 914						}
 915					} else {
 916						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
 917						if (axolotlMessage == null) {
 918							account.getAxolotlService().preparePayloadMessage(message, delay);
 919						} else {
 920							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
 921						}
 922					}
 923					break;
 924
 925			}
 926			if (packet != null) {
 927				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 928					message.setStatus(Message.STATUS_UNSEND);
 929				} else {
 930					message.setStatus(Message.STATUS_SEND);
 931				}
 932			}
 933		} else {
 934			switch (message.getEncryption()) {
 935				case Message.ENCRYPTION_DECRYPTED:
 936					if (!message.needsUploading()) {
 937						String pgpBody = message.getEncryptedBody();
 938						String decryptedBody = message.getBody();
 939						message.setBody(pgpBody);
 940						message.setEncryption(Message.ENCRYPTION_PGP);
 941						databaseBackend.createMessage(message);
 942						saveInDb = false;
 943						message.setBody(decryptedBody);
 944						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 945					}
 946					break;
 947				case Message.ENCRYPTION_OTR:
 948					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
 949						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
 950					}
 951					break;
 952				case Message.ENCRYPTION_AXOLOTL:
 953					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 954					break;
 955			}
 956		}
 957
 958		if (resend) {
 959			if (packet != null && addToConversation) {
 960				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 961					markMessage(message, Message.STATUS_UNSEND);
 962				} else {
 963					markMessage(message, Message.STATUS_SEND);
 964				}
 965			}
 966		} else {
 967			if (addToConversation) {
 968				conversation.add(message);
 969			}
 970			if (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages()) {
 971				if (saveInDb) {
 972					databaseBackend.createMessage(message);
 973				} else if (message.edited()) {
 974					databaseBackend.updateMessage(message, message.getEditedId());
 975				}
 976			}
 977			updateConversationUi();
 978		}
 979		if (packet != null) {
 980			if (delay) {
 981				mMessageGenerator.addDelay(packet, message.getTimeSent());
 982			}
 983			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
 984				if (this.sendChatStates()) {
 985					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
 986				}
 987			}
 988			sendMessagePacket(account, packet);
 989		}
 990	}
 991
 992	private void sendUnsentMessages(final Conversation conversation) {
 993		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
 994
 995			@Override
 996			public void onMessageFound(Message message) {
 997				resendMessage(message, true);
 998			}
 999		});
1000	}
1001
1002	public void resendMessage(final Message message, final boolean delay) {
1003		sendMessage(message, true, delay);
1004	}
1005
1006	public void fetchRosterFromServer(final Account account) {
1007		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1008		if (!"".equals(account.getRosterVersion())) {
1009			Log.d(Config.LOGTAG, account.getJid().toBareJid()
1010					+ ": fetching roster version " + account.getRosterVersion());
1011		} else {
1012			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
1013		}
1014		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
1015		sendIqPacket(account, iqPacket, mIqParser);
1016	}
1017
1018	public void fetchBookmarks(final Account account) {
1019		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1020		final Element query = iqPacket.query("jabber:iq:private");
1021		query.addChild("storage", "storage:bookmarks");
1022		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1023
1024			@Override
1025			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1026				if (packet.getType() == IqPacket.TYPE.RESULT) {
1027					final Element query = packet.query();
1028					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1029					final Element storage = query.findChild("storage", "storage:bookmarks");
1030					final boolean autojoin = respectAutojoin();
1031					if (storage != null) {
1032						for (final Element item : storage.getChildren()) {
1033							if (item.getName().equals("conference")) {
1034								final Bookmark bookmark = Bookmark.parse(item, account);
1035								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1036								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1037									bookmark.setBookmarkName(old.getBookmarkName());
1038								}
1039								Conversation conversation = find(bookmark);
1040								if (conversation != null) {
1041									conversation.setBookmark(bookmark);
1042								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1043									conversation = findOrCreateConversation(
1044											account, bookmark.getJid(), true);
1045									conversation.setBookmark(bookmark);
1046									joinMuc(conversation);
1047								}
1048							}
1049						}
1050					}
1051					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1052				} else {
1053					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1054				}
1055			}
1056		};
1057		sendIqPacket(account, iqPacket, callback);
1058	}
1059
1060	public void pushBookmarks(Account account) {
1061		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1062		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1063		Element query = iqPacket.query("jabber:iq:private");
1064		Element storage = query.addChild("storage", "storage:bookmarks");
1065		for (Bookmark bookmark : account.getBookmarks()) {
1066			storage.addChild(bookmark);
1067		}
1068		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1069	}
1070
1071	public void onPhoneContactsLoaded(final List<Bundle> phoneContacts) {
1072		if (mPhoneContactMergerThread != null) {
1073			mPhoneContactMergerThread.interrupt();
1074		}
1075		mPhoneContactMergerThread = new Thread(new Runnable() {
1076			@Override
1077			public void run() {
1078				Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1079				for (Account account : accounts) {
1080					List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1081					for (Bundle phoneContact : phoneContacts) {
1082						if (Thread.interrupted()) {
1083							Log.d(Config.LOGTAG, "interrupted merging phone contacts");
1084							return;
1085						}
1086						Jid jid;
1087						try {
1088							jid = Jid.fromString(phoneContact.getString("jid"));
1089						} catch (final InvalidJidException e) {
1090							continue;
1091						}
1092						final Contact contact = account.getRoster().getContact(jid);
1093						String systemAccount = phoneContact.getInt("phoneid")
1094								+ "#"
1095								+ phoneContact.getString("lookup");
1096						contact.setSystemAccount(systemAccount);
1097						if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1098							getAvatarService().clear(contact);
1099						}
1100						contact.setSystemName(phoneContact.getString("displayname"));
1101						withSystemAccounts.remove(contact);
1102					}
1103					for (Contact contact : withSystemAccounts) {
1104						contact.setSystemAccount(null);
1105						contact.setSystemName(null);
1106						if (contact.setPhotoUri(null)) {
1107							getAvatarService().clear(contact);
1108						}
1109					}
1110				}
1111				Log.d(Config.LOGTAG, "finished merging phone contacts");
1112				updateAccountUi();
1113			}
1114		});
1115		mPhoneContactMergerThread.start();
1116	}
1117
1118	private void restoreFromDatabase() {
1119		synchronized (this.conversations) {
1120			final Map<String, Account> accountLookupTable = new Hashtable<>();
1121			for (Account account : this.accounts) {
1122				accountLookupTable.put(account.getUuid(), account);
1123			}
1124			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1125			for (Conversation conversation : this.conversations) {
1126				Account account = accountLookupTable.get(conversation.getAccountUuid());
1127				conversation.setAccount(account);
1128			}
1129			Runnable runnable = new Runnable() {
1130				@Override
1131				public void run() {
1132					Log.d(Config.LOGTAG, "restoring roster");
1133					for (Account account : accounts) {
1134						databaseBackend.readRoster(account.getRoster());
1135						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1136					}
1137					getBitmapCache().evictAll();
1138					Looper.prepare();
1139					loadPhoneContacts();
1140					Log.d(Config.LOGTAG, "restoring messages");
1141					for (Conversation conversation : conversations) {
1142						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1143						checkDeletedFiles(conversation);
1144						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1145							@Override
1146							public void onMessageFound(Message message) {
1147								mNotificationService.pushFromBacklog(message);
1148							}
1149						});
1150					}
1151					mNotificationService.finishBacklog(false);
1152					mRestoredFromDatabase = true;
1153					Log.d(Config.LOGTAG, "restored all messages");
1154					updateConversationUi();
1155				}
1156			};
1157			mDatabaseExecutor.execute(runnable);
1158		}
1159	}
1160
1161	public void loadPhoneContacts() {
1162		PhoneHelper.loadPhoneContacts(getApplicationContext(),
1163				new CopyOnWriteArrayList<Bundle>(),
1164				XmppConnectionService.this);
1165	}
1166
1167	public List<Conversation> getConversations() {
1168		return this.conversations;
1169	}
1170
1171	private void checkDeletedFiles(Conversation conversation) {
1172		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1173
1174			@Override
1175			public void onMessageFound(Message message) {
1176				if (!getFileBackend().isFileAvailable(message)) {
1177					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1178					final int s = message.getStatus();
1179					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1180						markMessage(message, Message.STATUS_SEND_FAILED);
1181					}
1182				}
1183			}
1184		});
1185	}
1186
1187	private void markFileDeleted(String uuid) {
1188		for (Conversation conversation : getConversations()) {
1189			Message message = conversation.findMessageWithFileAndUuid(uuid);
1190			if (message != null) {
1191				if (!getFileBackend().isFileAvailable(message)) {
1192					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1193					final int s = message.getStatus();
1194					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1195						markMessage(message, Message.STATUS_SEND_FAILED);
1196					} else {
1197						updateConversationUi();
1198					}
1199				}
1200				return;
1201			}
1202		}
1203	}
1204
1205	public void populateWithOrderedConversations(final List<Conversation> list) {
1206		populateWithOrderedConversations(list, true);
1207	}
1208
1209	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1210		list.clear();
1211		if (includeNoFileUpload) {
1212			list.addAll(getConversations());
1213		} else {
1214			for (Conversation conversation : getConversations()) {
1215				if (conversation.getMode() == Conversation.MODE_SINGLE
1216						|| conversation.getAccount().httpUploadAvailable()) {
1217					list.add(conversation);
1218				}
1219			}
1220		}
1221		Collections.sort(list, new Comparator<Conversation>() {
1222			@Override
1223			public int compare(Conversation lhs, Conversation rhs) {
1224				Message left = lhs.getLatestMessage();
1225				Message right = rhs.getLatestMessage();
1226				if (left.getTimeSent() > right.getTimeSent()) {
1227					return -1;
1228				} else if (left.getTimeSent() < right.getTimeSent()) {
1229					return 1;
1230				} else {
1231					return 0;
1232				}
1233			}
1234		});
1235	}
1236
1237	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1238		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1239			return;
1240		} else if (timestamp == 0) {
1241			return;
1242		}
1243		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1244		Runnable runnable = new Runnable() {
1245			@Override
1246			public void run() {
1247				final Account account = conversation.getAccount();
1248				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1249				if (messages.size() > 0) {
1250					conversation.addAll(0, messages);
1251					checkDeletedFiles(conversation);
1252					callback.onMoreMessagesLoaded(messages.size(), conversation);
1253				} else if (conversation.hasMessagesLeftOnServer()
1254						&& account.isOnlineAndConnected()
1255						&& conversation.getLastClearHistory() == 0) {
1256					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1257							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1258						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1259						if (query != null) {
1260							query.setCallback(callback);
1261						}
1262						callback.informUser(R.string.fetching_history_from_server);
1263					}
1264				}
1265			}
1266		};
1267		mDatabaseExecutor.execute(runnable);
1268	}
1269
1270	public List<Account> getAccounts() {
1271		return this.accounts;
1272	}
1273
1274	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1275		for (final Conversation conversation : haystack) {
1276			if (conversation.getContact() == contact) {
1277				return conversation;
1278			}
1279		}
1280		return null;
1281	}
1282
1283	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1284		if (jid == null) {
1285			return null;
1286		}
1287		for (final Conversation conversation : haystack) {
1288			if ((account == null || conversation.getAccount() == account)
1289					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1290				return conversation;
1291			}
1292		}
1293		return null;
1294	}
1295
1296	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1297		return this.findOrCreateConversation(account, jid, muc, null);
1298	}
1299
1300	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1301		synchronized (this.conversations) {
1302			Conversation conversation = find(account, jid);
1303			if (conversation != null) {
1304				return conversation;
1305			}
1306			conversation = databaseBackend.findConversation(account, jid);
1307			if (conversation != null) {
1308				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1309				conversation.setAccount(account);
1310				if (muc) {
1311					conversation.setMode(Conversation.MODE_MULTI);
1312					conversation.setContactJid(jid);
1313				} else {
1314					conversation.setMode(Conversation.MODE_SINGLE);
1315					conversation.setContactJid(jid.toBareJid());
1316				}
1317				conversation.setNextEncryption(-1);
1318				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1319				this.databaseBackend.updateConversation(conversation);
1320			} else {
1321				String conversationName;
1322				Contact contact = account.getRoster().getContact(jid);
1323				if (contact != null) {
1324					conversationName = contact.getDisplayName();
1325				} else {
1326					conversationName = jid.getLocalpart();
1327				}
1328				if (muc) {
1329					conversation = new Conversation(conversationName, account, jid,
1330							Conversation.MODE_MULTI);
1331				} else {
1332					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1333							Conversation.MODE_SINGLE);
1334				}
1335				this.databaseBackend.createConversation(conversation);
1336			}
1337			if (account.getXmppConnection() != null
1338					&& account.getXmppConnection().getFeatures().mam()
1339					&& !muc) {
1340				if (query == null) {
1341					this.mMessageArchiveService.query(conversation);
1342				} else {
1343					if (query.getConversation() == null) {
1344						this.mMessageArchiveService.query(conversation, query.getStart());
1345					}
1346				}
1347			}
1348			checkDeletedFiles(conversation);
1349			this.conversations.add(conversation);
1350			updateConversationUi();
1351			return conversation;
1352		}
1353	}
1354
1355	public void archiveConversation(Conversation conversation) {
1356		getNotificationService().clear(conversation);
1357		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1358		conversation.setNextEncryption(-1);
1359		synchronized (this.conversations) {
1360			if (conversation.getMode() == Conversation.MODE_MULTI) {
1361				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1362					Bookmark bookmark = conversation.getBookmark();
1363					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1364						bookmark.setAutojoin(false);
1365						pushBookmarks(bookmark.getAccount());
1366					}
1367				}
1368				leaveMuc(conversation);
1369			} else {
1370				conversation.endOtrIfNeeded();
1371				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1372					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1373					sendPresencePacket(
1374							conversation.getAccount(),
1375							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1376					);
1377				}
1378			}
1379			this.databaseBackend.updateConversation(conversation);
1380			this.conversations.remove(conversation);
1381			updateConversationUi();
1382		}
1383	}
1384
1385	public void createAccount(final Account account) {
1386		account.initAccountServices(this);
1387		databaseBackend.createAccount(account);
1388		this.accounts.add(account);
1389		this.reconnectAccountInBackground(account);
1390		updateAccountUi();
1391	}
1392
1393	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1394		new Thread(new Runnable() {
1395			@Override
1396			public void run() {
1397				try {
1398					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1399					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1400					if (findAccountByJid(info.first) == null) {
1401						Account account = new Account(info.first, "");
1402						account.setPrivateKeyAlias(alias);
1403						account.setOption(Account.OPTION_DISABLED, true);
1404						account.setDisplayName(info.second);
1405						createAccount(account);
1406						callback.onAccountCreated(account);
1407						if (Config.X509_VERIFICATION) {
1408							try {
1409								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1410							} catch (CertificateException e) {
1411								callback.informUser(R.string.certificate_chain_is_not_trusted);
1412							}
1413						}
1414					} else {
1415						callback.informUser(R.string.account_already_exists);
1416					}
1417				} catch (Exception e) {
1418					e.printStackTrace();
1419					callback.informUser(R.string.unable_to_parse_certificate);
1420				}
1421			}
1422		}).start();
1423
1424	}
1425
1426	public void updateKeyInAccount(final Account account, final String alias) {
1427		Log.d(Config.LOGTAG, "update key in account " + alias);
1428		try {
1429			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1430			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1431			if (account.getJid().toBareJid().equals(info.first)) {
1432				account.setPrivateKeyAlias(alias);
1433				account.setDisplayName(info.second);
1434				databaseBackend.updateAccount(account);
1435				if (Config.X509_VERIFICATION) {
1436					try {
1437						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1438					} catch (CertificateException e) {
1439						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1440					}
1441					account.getAxolotlService().regenerateKeys(true);
1442				}
1443			} else {
1444				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1445			}
1446		} catch (Exception e) {
1447			e.printStackTrace();
1448		}
1449	}
1450
1451	public void updateAccount(final Account account) {
1452		this.statusListener.onStatusChanged(account);
1453		databaseBackend.updateAccount(account);
1454		reconnectAccountInBackground(account);
1455		updateAccountUi();
1456		getNotificationService().updateErrorNotification();
1457	}
1458
1459	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1460		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1461		sendIqPacket(account, iq, new OnIqPacketReceived() {
1462			@Override
1463			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1464				if (packet.getType() == IqPacket.TYPE.RESULT) {
1465					account.setPassword(newPassword);
1466					databaseBackend.updateAccount(account);
1467					callback.onPasswordChangeSucceeded();
1468				} else {
1469					callback.onPasswordChangeFailed();
1470				}
1471			}
1472		});
1473	}
1474
1475	public void deleteAccount(final Account account) {
1476		synchronized (this.conversations) {
1477			for (final Conversation conversation : conversations) {
1478				if (conversation.getAccount() == account) {
1479					if (conversation.getMode() == Conversation.MODE_MULTI) {
1480						leaveMuc(conversation);
1481					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1482						conversation.endOtrIfNeeded();
1483					}
1484					conversations.remove(conversation);
1485				}
1486			}
1487			if (account.getXmppConnection() != null) {
1488				this.disconnect(account, true);
1489			}
1490			Runnable runnable = new Runnable() {
1491				@Override
1492				public void run() {
1493					databaseBackend.deleteAccount(account);
1494				}
1495			};
1496			mDatabaseExecutor.execute(runnable);
1497			this.accounts.remove(account);
1498			updateAccountUi();
1499			getNotificationService().updateErrorNotification();
1500		}
1501	}
1502
1503	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1504		synchronized (this) {
1505			if (checkListeners()) {
1506				switchToForeground();
1507			}
1508			this.mOnConversationUpdate = listener;
1509			this.mNotificationService.setIsInForeground(true);
1510			if (this.convChangedListenerCount < 2) {
1511				this.convChangedListenerCount++;
1512			}
1513		}
1514	}
1515
1516	public void removeOnConversationListChangedListener() {
1517		synchronized (this) {
1518			this.convChangedListenerCount--;
1519			if (this.convChangedListenerCount <= 0) {
1520				this.convChangedListenerCount = 0;
1521				this.mOnConversationUpdate = null;
1522				this.mNotificationService.setIsInForeground(false);
1523				if (checkListeners()) {
1524					switchToBackground();
1525				}
1526			}
1527		}
1528	}
1529
1530	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1531		synchronized (this) {
1532			if (checkListeners()) {
1533				switchToForeground();
1534			}
1535			this.mOnShowErrorToast = onShowErrorToast;
1536			if (this.showErrorToastListenerCount < 2) {
1537				this.showErrorToastListenerCount++;
1538			}
1539		}
1540		this.mOnShowErrorToast = onShowErrorToast;
1541	}
1542
1543	public void removeOnShowErrorToastListener() {
1544		synchronized (this) {
1545			this.showErrorToastListenerCount--;
1546			if (this.showErrorToastListenerCount <= 0) {
1547				this.showErrorToastListenerCount = 0;
1548				this.mOnShowErrorToast = null;
1549				if (checkListeners()) {
1550					switchToBackground();
1551				}
1552			}
1553		}
1554	}
1555
1556	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1557		synchronized (this) {
1558			if (checkListeners()) {
1559				switchToForeground();
1560			}
1561			this.mOnAccountUpdate = listener;
1562			if (this.accountChangedListenerCount < 2) {
1563				this.accountChangedListenerCount++;
1564			}
1565		}
1566	}
1567
1568	public void removeOnAccountListChangedListener() {
1569		synchronized (this) {
1570			this.accountChangedListenerCount--;
1571			if (this.accountChangedListenerCount <= 0) {
1572				this.mOnAccountUpdate = null;
1573				this.accountChangedListenerCount = 0;
1574				if (checkListeners()) {
1575					switchToBackground();
1576				}
1577			}
1578		}
1579	}
1580
1581	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1582		synchronized (this) {
1583			if (checkListeners()) {
1584				switchToForeground();
1585			}
1586			this.mOnCaptchaRequested = listener;
1587			if (this.captchaRequestedListenerCount < 2) {
1588				this.captchaRequestedListenerCount++;
1589			}
1590		}
1591	}
1592
1593	public void removeOnCaptchaRequestedListener() {
1594		synchronized (this) {
1595			this.captchaRequestedListenerCount--;
1596			if (this.captchaRequestedListenerCount <= 0) {
1597				this.mOnCaptchaRequested = null;
1598				this.captchaRequestedListenerCount = 0;
1599				if (checkListeners()) {
1600					switchToBackground();
1601				}
1602			}
1603		}
1604	}
1605
1606	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1607		synchronized (this) {
1608			if (checkListeners()) {
1609				switchToForeground();
1610			}
1611			this.mOnRosterUpdate = listener;
1612			if (this.rosterChangedListenerCount < 2) {
1613				this.rosterChangedListenerCount++;
1614			}
1615		}
1616	}
1617
1618	public void removeOnRosterUpdateListener() {
1619		synchronized (this) {
1620			this.rosterChangedListenerCount--;
1621			if (this.rosterChangedListenerCount <= 0) {
1622				this.rosterChangedListenerCount = 0;
1623				this.mOnRosterUpdate = null;
1624				if (checkListeners()) {
1625					switchToBackground();
1626				}
1627			}
1628		}
1629	}
1630
1631	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1632		synchronized (this) {
1633			if (checkListeners()) {
1634				switchToForeground();
1635			}
1636			this.mOnUpdateBlocklist = listener;
1637			if (this.updateBlocklistListenerCount < 2) {
1638				this.updateBlocklistListenerCount++;
1639			}
1640		}
1641	}
1642
1643	public void removeOnUpdateBlocklistListener() {
1644		synchronized (this) {
1645			this.updateBlocklistListenerCount--;
1646			if (this.updateBlocklistListenerCount <= 0) {
1647				this.updateBlocklistListenerCount = 0;
1648				this.mOnUpdateBlocklist = null;
1649				if (checkListeners()) {
1650					switchToBackground();
1651				}
1652			}
1653		}
1654	}
1655
1656	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1657		synchronized (this) {
1658			if (checkListeners()) {
1659				switchToForeground();
1660			}
1661			this.mOnKeyStatusUpdated = listener;
1662			if (this.keyStatusUpdatedListenerCount < 2) {
1663				this.keyStatusUpdatedListenerCount++;
1664			}
1665		}
1666	}
1667
1668	public void removeOnNewKeysAvailableListener() {
1669		synchronized (this) {
1670			this.keyStatusUpdatedListenerCount--;
1671			if (this.keyStatusUpdatedListenerCount <= 0) {
1672				this.keyStatusUpdatedListenerCount = 0;
1673				this.mOnKeyStatusUpdated = null;
1674				if (checkListeners()) {
1675					switchToBackground();
1676				}
1677			}
1678		}
1679	}
1680
1681	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1682		synchronized (this) {
1683			if (checkListeners()) {
1684				switchToForeground();
1685			}
1686			this.mOnMucRosterUpdate = listener;
1687			if (this.mucRosterChangedListenerCount < 2) {
1688				this.mucRosterChangedListenerCount++;
1689			}
1690		}
1691	}
1692
1693	public void removeOnMucRosterUpdateListener() {
1694		synchronized (this) {
1695			this.mucRosterChangedListenerCount--;
1696			if (this.mucRosterChangedListenerCount <= 0) {
1697				this.mucRosterChangedListenerCount = 0;
1698				this.mOnMucRosterUpdate = null;
1699				if (checkListeners()) {
1700					switchToBackground();
1701				}
1702			}
1703		}
1704	}
1705
1706	private boolean checkListeners() {
1707		return (this.mOnAccountUpdate == null
1708				&& this.mOnConversationUpdate == null
1709				&& this.mOnRosterUpdate == null
1710				&& this.mOnCaptchaRequested == null
1711				&& this.mOnUpdateBlocklist == null
1712				&& this.mOnShowErrorToast == null
1713				&& this.mOnKeyStatusUpdated == null);
1714	}
1715
1716	private void switchToForeground() {
1717		for (Conversation conversation : getConversations()) {
1718			conversation.setIncomingChatState(ChatState.ACTIVE);
1719		}
1720		for (Account account : getAccounts()) {
1721			if (account.getStatus() == Account.State.ONLINE) {
1722				XmppConnection connection = account.getXmppConnection();
1723				if (connection != null && connection.getFeatures().csi()) {
1724					connection.sendActive();
1725				}
1726			}
1727		}
1728		Log.d(Config.LOGTAG, "app switched into foreground");
1729	}
1730
1731	private void switchToBackground() {
1732		for (Account account : getAccounts()) {
1733			if (account.getStatus() == Account.State.ONLINE) {
1734				XmppConnection connection = account.getXmppConnection();
1735				if (connection != null) {
1736					if (connection.getFeatures().csi()) {
1737						connection.sendInactive();
1738					}
1739					if (Config.CLOSE_TCP_WHEN_SWITCHING_TO_BACKGROUND && mPushManagementService.available(account)) {
1740						connection.waitForPush();
1741						cancelWakeUpCall(account.getUuid().hashCode());
1742					}
1743				}
1744			}
1745		}
1746		this.mNotificationService.setIsInForeground(false);
1747		Log.d(Config.LOGTAG, "app switched into background");
1748	}
1749
1750	private void connectMultiModeConversations(Account account) {
1751		List<Conversation> conversations = getConversations();
1752		for (Conversation conversation : conversations) {
1753			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
1754				joinMuc(conversation, true, null);
1755			}
1756		}
1757	}
1758
1759	public void joinMuc(Conversation conversation) {
1760		joinMuc(conversation, false, null);
1761	}
1762
1763	private void joinMuc(Conversation conversation, boolean now, final OnConferenceJoined onConferenceJoined) {
1764		Account account = conversation.getAccount();
1765		account.pendingConferenceJoins.remove(conversation);
1766		account.pendingConferenceLeaves.remove(conversation);
1767		if (account.getStatus() == Account.State.ONLINE || now) {
1768			conversation.resetMucOptions();
1769			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
1770
1771				private void join(Conversation conversation) {
1772					Account account = conversation.getAccount();
1773					final String nick = conversation.getMucOptions().getProposedNick();
1774					final Jid joinJid = conversation.getMucOptions().createJoinJid(nick);
1775					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
1776					PresencePacket packet = new PresencePacket();
1777					packet.setFrom(conversation.getAccount().getJid());
1778					packet.setTo(joinJid);
1779					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
1780					if (conversation.getMucOptions().getPassword() != null) {
1781						x.addChild("password").setContent(conversation.getMucOptions().getPassword());
1782					}
1783
1784					if (conversation.getMucOptions().mamSupport()) {
1785						// Use MAM instead of the limited muc history to get history
1786						x.addChild("history").setAttribute("maxchars", "0");
1787					} else {
1788						// Fallback to muc history
1789						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
1790					}
1791					String sig = account.getPgpSignature();
1792					if (sig != null) {
1793						packet.addChild("x", "jabber:x:signed").setContent(sig);
1794					}
1795					sendPresencePacket(account, packet);
1796					if (onConferenceJoined != null) {
1797						onConferenceJoined.onConferenceJoined(conversation);
1798					}
1799					if (!joinJid.equals(conversation.getJid())) {
1800						conversation.setContactJid(joinJid);
1801						databaseBackend.updateConversation(conversation);
1802					}
1803					conversation.setHasMessagesLeftOnServer(false);
1804					if (conversation.getMucOptions().mamSupport()) {
1805						getMessageArchiveService().catchupMUC(conversation);
1806					}
1807					sendUnsentMessages(conversation);
1808				}
1809
1810				@Override
1811				public void onConferenceConfigurationFetched(Conversation conversation) {
1812					join(conversation);
1813				}
1814
1815				@Override
1816				public void onFetchFailed(final Conversation conversation, Element error) {
1817					join(conversation);
1818					fetchConferenceConfiguration(conversation);
1819				}
1820			});
1821
1822		} else {
1823			account.pendingConferenceJoins.add(conversation);
1824		}
1825	}
1826
1827	public void providePasswordForMuc(Conversation conversation, String password) {
1828		if (conversation.getMode() == Conversation.MODE_MULTI) {
1829			conversation.getMucOptions().setPassword(password);
1830			if (conversation.getBookmark() != null) {
1831				if (respectAutojoin()) {
1832					conversation.getBookmark().setAutojoin(true);
1833				}
1834				pushBookmarks(conversation.getAccount());
1835			}
1836			databaseBackend.updateConversation(conversation);
1837			joinMuc(conversation);
1838		}
1839	}
1840
1841	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
1842		final MucOptions options = conversation.getMucOptions();
1843		final Jid joinJid = options.createJoinJid(nick);
1844		if (options.online()) {
1845			Account account = conversation.getAccount();
1846			options.setOnRenameListener(new OnRenameListener() {
1847
1848				@Override
1849				public void onSuccess() {
1850					conversation.setContactJid(joinJid);
1851					databaseBackend.updateConversation(conversation);
1852					Bookmark bookmark = conversation.getBookmark();
1853					if (bookmark != null) {
1854						bookmark.setNick(nick);
1855						pushBookmarks(bookmark.getAccount());
1856					}
1857					callback.success(conversation);
1858				}
1859
1860				@Override
1861				public void onFailure() {
1862					callback.error(R.string.nick_in_use, conversation);
1863				}
1864			});
1865
1866			PresencePacket packet = new PresencePacket();
1867			packet.setTo(joinJid);
1868			packet.setFrom(conversation.getAccount().getJid());
1869
1870			String sig = account.getPgpSignature();
1871			if (sig != null) {
1872				packet.addChild("status").setContent("online");
1873				packet.addChild("x", "jabber:x:signed").setContent(sig);
1874			}
1875			sendPresencePacket(account, packet);
1876		} else {
1877			conversation.setContactJid(joinJid);
1878			databaseBackend.updateConversation(conversation);
1879			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1880				Bookmark bookmark = conversation.getBookmark();
1881				if (bookmark != null) {
1882					bookmark.setNick(nick);
1883					pushBookmarks(bookmark.getAccount());
1884				}
1885				joinMuc(conversation);
1886			}
1887		}
1888	}
1889
1890	public void leaveMuc(Conversation conversation) {
1891		leaveMuc(conversation, false);
1892	}
1893
1894	private void leaveMuc(Conversation conversation, boolean now) {
1895		Account account = conversation.getAccount();
1896		account.pendingConferenceJoins.remove(conversation);
1897		account.pendingConferenceLeaves.remove(conversation);
1898		if (account.getStatus() == Account.State.ONLINE || now) {
1899			PresencePacket packet = new PresencePacket();
1900			packet.setTo(conversation.getJid());
1901			packet.setFrom(conversation.getAccount().getJid());
1902			packet.setAttribute("type", "unavailable");
1903			sendPresencePacket(conversation.getAccount(), packet);
1904			conversation.getMucOptions().setOffline();
1905			conversation.deregisterWithBookmark();
1906			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
1907					+ ": leaving muc " + conversation.getJid());
1908		} else {
1909			account.pendingConferenceLeaves.add(conversation);
1910		}
1911	}
1912
1913	private String findConferenceServer(final Account account) {
1914		String server;
1915		if (account.getXmppConnection() != null) {
1916			server = account.getXmppConnection().getMucServer();
1917			if (server != null) {
1918				return server;
1919			}
1920		}
1921		for (Account other : getAccounts()) {
1922			if (other != account && other.getXmppConnection() != null) {
1923				server = other.getXmppConnection().getMucServer();
1924				if (server != null) {
1925					return server;
1926				}
1927			}
1928		}
1929		return null;
1930	}
1931
1932	public void createAdhocConference(final Account account, final Iterable<Jid> jids, final UiCallback<Conversation> callback) {
1933		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
1934		if (account.getStatus() == Account.State.ONLINE) {
1935			try {
1936				String server = findConferenceServer(account);
1937				if (server == null) {
1938					if (callback != null) {
1939						callback.error(R.string.no_conference_server_found, null);
1940					}
1941					return;
1942				}
1943				String name = new BigInteger(75, getRNG()).toString(32);
1944				Jid jid = Jid.fromParts(name, server, null);
1945				final Conversation conversation = findOrCreateConversation(account, jid, true);
1946				joinMuc(conversation, true, new OnConferenceJoined() {
1947					@Override
1948					public void onConferenceJoined(final Conversation conversation) {
1949						Bundle options = new Bundle();
1950						options.putString("muc#roomconfig_persistentroom", "1");
1951						options.putString("muc#roomconfig_membersonly", "1");
1952						options.putString("muc#roomconfig_publicroom", "0");
1953						options.putString("muc#roomconfig_whois", "anyone");
1954						pushConferenceConfiguration(conversation, options, new OnConferenceOptionsPushed() {
1955							@Override
1956							public void onPushSucceeded() {
1957								for (Jid invite : jids) {
1958									invite(conversation, invite);
1959								}
1960								if (account.countPresences() > 1) {
1961									directInvite(conversation, account.getJid().toBareJid());
1962								}
1963								if (callback != null) {
1964									callback.success(conversation);
1965								}
1966							}
1967
1968							@Override
1969							public void onPushFailed() {
1970								if (callback != null) {
1971									callback.error(R.string.conference_creation_failed, conversation);
1972								}
1973							}
1974						});
1975					}
1976				});
1977			} catch (InvalidJidException e) {
1978				if (callback != null) {
1979					callback.error(R.string.conference_creation_failed, null);
1980				}
1981			}
1982		} else {
1983			if (callback != null) {
1984				callback.error(R.string.not_connected_try_again, null);
1985			}
1986		}
1987	}
1988
1989	public void fetchConferenceConfiguration(final Conversation conversation) {
1990		fetchConferenceConfiguration(conversation, null);
1991	}
1992
1993	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
1994		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1995		request.setTo(conversation.getJid().toBareJid());
1996		request.query("http://jabber.org/protocol/disco#info");
1997		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1998			@Override
1999			public void onIqPacketReceived(Account account, IqPacket packet) {
2000				if (packet.getType() == IqPacket.TYPE.RESULT) {
2001					ArrayList<String> features = new ArrayList<>();
2002					Element query = packet.query();
2003					for (Element child : query.getChildren()) {
2004						if (child != null && child.getName().equals("feature")) {
2005							String var = child.getAttribute("var");
2006							if (var != null) {
2007								features.add(var);
2008							}
2009						}
2010					}
2011					Element form = query.findChild("x", "jabber:x:data");
2012					if (form != null) {
2013						conversation.getMucOptions().updateFormData(Data.parse(form));
2014					}
2015					conversation.getMucOptions().updateFeatures(features);
2016					if (callback != null) {
2017						callback.onConferenceConfigurationFetched(conversation);
2018					}
2019					updateConversationUi();
2020				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2021					if (callback != null) {
2022						callback.onFetchFailed(conversation, packet.getError());
2023					}
2024				}
2025			}
2026		});
2027	}
2028
2029	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2030		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2031		request.setTo(conversation.getJid().toBareJid());
2032		request.query("http://jabber.org/protocol/muc#owner");
2033		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2034			@Override
2035			public void onIqPacketReceived(Account account, IqPacket packet) {
2036				if (packet.getType() == IqPacket.TYPE.RESULT) {
2037					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2038					for (Field field : data.getFields()) {
2039						if (options.containsKey(field.getFieldName())) {
2040							field.setValue(options.getString(field.getFieldName()));
2041						}
2042					}
2043					data.submit();
2044					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2045					set.setTo(conversation.getJid().toBareJid());
2046					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2047					sendIqPacket(account, set, new OnIqPacketReceived() {
2048						@Override
2049						public void onIqPacketReceived(Account account, IqPacket packet) {
2050							if (callback != null) {
2051								if (packet.getType() == IqPacket.TYPE.RESULT) {
2052									callback.onPushSucceeded();
2053								} else {
2054									callback.onPushFailed();
2055								}
2056							}
2057						}
2058					});
2059				} else {
2060					if (callback != null) {
2061						callback.onPushFailed();
2062					}
2063				}
2064			}
2065		});
2066	}
2067
2068	public void pushSubjectToConference(final Conversation conference, final String subject) {
2069		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2070		this.sendMessagePacket(conference.getAccount(), packet);
2071		final MucOptions mucOptions = conference.getMucOptions();
2072		final MucOptions.User self = mucOptions.getSelf();
2073		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2074			Bundle options = new Bundle();
2075			options.putString("muc#roomconfig_persistentroom", "1");
2076			this.pushConferenceConfiguration(conference, options, null);
2077		}
2078	}
2079
2080	public void changeAffiliationInConference(final Conversation conference, Jid user, MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2081		final Jid jid = user.toBareJid();
2082		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2083		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2084			@Override
2085			public void onIqPacketReceived(Account account, IqPacket packet) {
2086				if (packet.getType() == IqPacket.TYPE.RESULT) {
2087					callback.onAffiliationChangedSuccessful(jid);
2088				} else {
2089					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2090				}
2091			}
2092		});
2093	}
2094
2095	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2096		List<Jid> jids = new ArrayList<>();
2097		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2098			if (user.getAffiliation() == before && user.getJid() != null) {
2099				jids.add(user.getJid());
2100			}
2101		}
2102		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2103		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2104	}
2105
2106	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2107		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2108		Log.d(Config.LOGTAG, request.toString());
2109		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2110			@Override
2111			public void onIqPacketReceived(Account account, IqPacket packet) {
2112				Log.d(Config.LOGTAG, packet.toString());
2113				if (packet.getType() == IqPacket.TYPE.RESULT) {
2114					callback.onRoleChangedSuccessful(nick);
2115				} else {
2116					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2117				}
2118			}
2119		});
2120	}
2121
2122	private void disconnect(Account account, boolean force) {
2123		if ((account.getStatus() == Account.State.ONLINE)
2124				|| (account.getStatus() == Account.State.DISABLED)) {
2125			if (!force) {
2126				List<Conversation> conversations = getConversations();
2127				for (Conversation conversation : conversations) {
2128					if (conversation.getAccount() == account) {
2129						if (conversation.getMode() == Conversation.MODE_MULTI) {
2130							leaveMuc(conversation, true);
2131						} else {
2132							if (conversation.endOtrIfNeeded()) {
2133								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2134										+ ": ended otr session with "
2135										+ conversation.getJid());
2136							}
2137						}
2138					}
2139				}
2140				sendOfflinePresence(account);
2141			}
2142			account.getXmppConnection().disconnect(force);
2143		}
2144	}
2145
2146	@Override
2147	public IBinder onBind(Intent intent) {
2148		return mBinder;
2149	}
2150
2151	public void updateMessage(Message message) {
2152		databaseBackend.updateMessage(message);
2153		updateConversationUi();
2154	}
2155
2156	protected void syncDirtyContacts(Account account) {
2157		for (Contact contact : account.getRoster().getContacts()) {
2158			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2159				pushContactToServer(contact);
2160			}
2161			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2162				deleteContactOnServer(contact);
2163			}
2164		}
2165	}
2166
2167	public void createContact(Contact contact) {
2168		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2169		if (autoGrant) {
2170			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2171			contact.setOption(Contact.Options.ASKING);
2172		}
2173		pushContactToServer(contact);
2174	}
2175
2176	public void onOtrSessionEstablished(Conversation conversation) {
2177		final Account account = conversation.getAccount();
2178		final Session otrSession = conversation.getOtrSession();
2179		Log.d(Config.LOGTAG,
2180				account.getJid().toBareJid() + " otr session established with "
2181						+ conversation.getJid() + "/"
2182						+ otrSession.getSessionID().getUserID());
2183		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2184
2185			@Override
2186			public void onMessageFound(Message message) {
2187				SessionID id = otrSession.getSessionID();
2188				try {
2189					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2190				} catch (InvalidJidException e) {
2191					return;
2192				}
2193				if (message.needsUploading()) {
2194					mJingleConnectionManager.createNewConnection(message);
2195				} else {
2196					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2197					if (outPacket != null) {
2198						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2199						message.setStatus(Message.STATUS_SEND);
2200						databaseBackend.updateMessage(message);
2201						sendMessagePacket(account, outPacket);
2202					}
2203				}
2204				updateConversationUi();
2205			}
2206		});
2207	}
2208
2209	public boolean renewSymmetricKey(Conversation conversation) {
2210		Account account = conversation.getAccount();
2211		byte[] symmetricKey = new byte[32];
2212		this.mRandom.nextBytes(symmetricKey);
2213		Session otrSession = conversation.getOtrSession();
2214		if (otrSession != null) {
2215			MessagePacket packet = new MessagePacket();
2216			packet.setType(MessagePacket.TYPE_CHAT);
2217			packet.setFrom(account.getJid());
2218			MessageGenerator.addMessageHints(packet);
2219			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2220					+ otrSession.getSessionID().getUserID());
2221			try {
2222				packet.setBody(otrSession
2223						.transformSending(CryptoHelper.FILETRANSFER
2224								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2225				sendMessagePacket(account, packet);
2226				conversation.setSymmetricKey(symmetricKey);
2227				return true;
2228			} catch (OtrException e) {
2229				return false;
2230			}
2231		}
2232		return false;
2233	}
2234
2235	public void pushContactToServer(final Contact contact) {
2236		contact.resetOption(Contact.Options.DIRTY_DELETE);
2237		contact.setOption(Contact.Options.DIRTY_PUSH);
2238		final Account account = contact.getAccount();
2239		if (account.getStatus() == Account.State.ONLINE) {
2240			final boolean ask = contact.getOption(Contact.Options.ASKING);
2241			final boolean sendUpdates = contact
2242					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2243					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2244			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2245			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2246			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2247			if (sendUpdates) {
2248				sendPresencePacket(account,
2249						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2250			}
2251			if (ask) {
2252				sendPresencePacket(account,
2253						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2254			}
2255		}
2256	}
2257
2258	public void publishAvatar(final Account account,
2259							  final Uri image,
2260							  final UiCallback<Avatar> callback) {
2261		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2262		final int size = Config.AVATAR_SIZE;
2263		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2264		if (avatar != null) {
2265			avatar.height = size;
2266			avatar.width = size;
2267			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2268				avatar.type = "image/webp";
2269			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2270				avatar.type = "image/jpeg";
2271			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2272				avatar.type = "image/png";
2273			}
2274			if (!getFileBackend().save(avatar)) {
2275				callback.error(R.string.error_saving_avatar, avatar);
2276				return;
2277			}
2278			final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2279			this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2280
2281				@Override
2282				public void onIqPacketReceived(Account account, IqPacket result) {
2283					if (result.getType() == IqPacket.TYPE.RESULT) {
2284						final IqPacket packet = XmppConnectionService.this.mIqGenerator
2285								.publishAvatarMetadata(avatar);
2286						sendIqPacket(account, packet, new OnIqPacketReceived() {
2287							@Override
2288							public void onIqPacketReceived(Account account, IqPacket result) {
2289								if (result.getType() == IqPacket.TYPE.RESULT) {
2290									if (account.setAvatar(avatar.getFilename())) {
2291										getAvatarService().clear(account);
2292										databaseBackend.updateAccount(account);
2293									}
2294									callback.success(avatar);
2295								} else {
2296									callback.error(
2297											R.string.error_publish_avatar_server_reject,
2298											avatar);
2299								}
2300							}
2301						});
2302					} else {
2303						callback.error(
2304								R.string.error_publish_avatar_server_reject,
2305								avatar);
2306					}
2307				}
2308			});
2309		} else {
2310			callback.error(R.string.error_publish_avatar_converting, null);
2311		}
2312	}
2313
2314	public void fetchAvatar(Account account, Avatar avatar) {
2315		fetchAvatar(account, avatar, null);
2316	}
2317
2318	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2319		final String KEY = generateFetchKey(account, avatar);
2320		synchronized (this.mInProgressAvatarFetches) {
2321			if (this.mInProgressAvatarFetches.contains(KEY)) {
2322				return;
2323			} else {
2324				switch (avatar.origin) {
2325					case PEP:
2326						this.mInProgressAvatarFetches.add(KEY);
2327						fetchAvatarPep(account, avatar, callback);
2328						break;
2329					case VCARD:
2330						this.mInProgressAvatarFetches.add(KEY);
2331						fetchAvatarVcard(account, avatar, callback);
2332						break;
2333				}
2334			}
2335		}
2336	}
2337
2338	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2339		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2340		sendIqPacket(account, packet, new OnIqPacketReceived() {
2341
2342			@Override
2343			public void onIqPacketReceived(Account account, IqPacket result) {
2344				synchronized (mInProgressAvatarFetches) {
2345					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2346				}
2347				final String ERROR = account.getJid().toBareJid()
2348						+ ": fetching avatar for " + avatar.owner + " failed ";
2349				if (result.getType() == IqPacket.TYPE.RESULT) {
2350					avatar.image = mIqParser.avatarData(result);
2351					if (avatar.image != null) {
2352						if (getFileBackend().save(avatar)) {
2353							if (account.getJid().toBareJid().equals(avatar.owner)) {
2354								if (account.setAvatar(avatar.getFilename())) {
2355									databaseBackend.updateAccount(account);
2356								}
2357								getAvatarService().clear(account);
2358								updateConversationUi();
2359								updateAccountUi();
2360							} else {
2361								Contact contact = account.getRoster()
2362										.getContact(avatar.owner);
2363								contact.setAvatar(avatar);
2364								getAvatarService().clear(contact);
2365								updateConversationUi();
2366								updateRosterUi();
2367							}
2368							if (callback != null) {
2369								callback.success(avatar);
2370							}
2371							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2372									+ ": succesfuly fetched pep avatar for " + avatar.owner);
2373							return;
2374						}
2375					} else {
2376
2377						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2378					}
2379				} else {
2380					Element error = result.findChild("error");
2381					if (error == null) {
2382						Log.d(Config.LOGTAG, ERROR + "(server error)");
2383					} else {
2384						Log.d(Config.LOGTAG, ERROR + error.toString());
2385					}
2386				}
2387				if (callback != null) {
2388					callback.error(0, null);
2389				}
2390
2391			}
2392		});
2393	}
2394
2395	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2396		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2397		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2398			@Override
2399			public void onIqPacketReceived(Account account, IqPacket packet) {
2400				synchronized (mInProgressAvatarFetches) {
2401					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2402				}
2403				if (packet.getType() == IqPacket.TYPE.RESULT) {
2404					Element vCard = packet.findChild("vCard", "vcard-temp");
2405					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2406					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2407					if (image != null) {
2408						avatar.image = image;
2409						if (getFileBackend().save(avatar)) {
2410							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2411									+ ": successfully fetched vCard avatar for " + avatar.owner);
2412							if (avatar.owner.isBareJid()) {
2413								Contact contact = account.getRoster()
2414										.getContact(avatar.owner);
2415								contact.setAvatar(avatar);
2416								getAvatarService().clear(contact);
2417								updateConversationUi();
2418								updateRosterUi();
2419							} else {
2420								Conversation conversation = find(account, avatar.owner.toBareJid());
2421								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2422									MucOptions.User user = conversation.getMucOptions().findUser(avatar.owner.getResourcepart());
2423									if (user != null) {
2424										if (user.setAvatar(avatar)) {
2425											getAvatarService().clear(user);
2426											updateConversationUi();
2427											updateMucRosterUi();
2428										}
2429									}
2430								}
2431							}
2432						}
2433					}
2434				}
2435			}
2436		});
2437	}
2438
2439	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2440		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2441		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2442
2443			@Override
2444			public void onIqPacketReceived(Account account, IqPacket packet) {
2445				if (packet.getType() == IqPacket.TYPE.RESULT) {
2446					Element pubsub = packet.findChild("pubsub",
2447							"http://jabber.org/protocol/pubsub");
2448					if (pubsub != null) {
2449						Element items = pubsub.findChild("items");
2450						if (items != null) {
2451							Avatar avatar = Avatar.parseMetadata(items);
2452							if (avatar != null) {
2453								avatar.owner = account.getJid().toBareJid();
2454								if (fileBackend.isAvatarCached(avatar)) {
2455									if (account.setAvatar(avatar.getFilename())) {
2456										databaseBackend.updateAccount(account);
2457									}
2458									getAvatarService().clear(account);
2459									callback.success(avatar);
2460								} else {
2461									fetchAvatarPep(account, avatar, callback);
2462								}
2463								return;
2464							}
2465						}
2466					}
2467				}
2468				callback.error(0, null);
2469			}
2470		});
2471	}
2472
2473	public void deleteContactOnServer(Contact contact) {
2474		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2475		contact.resetOption(Contact.Options.DIRTY_PUSH);
2476		contact.setOption(Contact.Options.DIRTY_DELETE);
2477		Account account = contact.getAccount();
2478		if (account.getStatus() == Account.State.ONLINE) {
2479			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2480			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2481			item.setAttribute("jid", contact.getJid().toString());
2482			item.setAttribute("subscription", "remove");
2483			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2484		}
2485	}
2486
2487	public void updateConversation(Conversation conversation) {
2488		this.databaseBackend.updateConversation(conversation);
2489	}
2490
2491	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2492		synchronized (account) {
2493			XmppConnection connection = account.getXmppConnection();
2494			if (connection != null) {
2495				disconnect(account, force);
2496			} else {
2497				connection = createConnection(account);
2498				account.setXmppConnection(connection);
2499			}
2500			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2501				synchronized (this.mInProgressAvatarFetches) {
2502					for (Iterator<String> iterator = this.mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
2503						final String KEY = iterator.next();
2504						if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
2505							iterator.remove();
2506						}
2507					}
2508				}
2509				if (!force) {
2510					try {
2511						Log.d(Config.LOGTAG, "wait for disconnect");
2512						Thread.sleep(500); //sleep  wait for disconnect
2513					} catch (InterruptedException e) {
2514						//ignored
2515					}
2516				}
2517				Thread thread = new Thread(connection);
2518				connection.setInteractive(interactive);
2519				thread.start();
2520				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2521			} else {
2522				account.getRoster().clearPresences();
2523				connection.resetEverything();
2524			}
2525		}
2526	}
2527
2528	public void reconnectAccountInBackground(final Account account) {
2529		new Thread(new Runnable() {
2530			@Override
2531			public void run() {
2532				reconnectAccount(account, false, true);
2533			}
2534		}).start();
2535	}
2536
2537	public void invite(Conversation conversation, Jid contact) {
2538		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2539		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2540		sendMessagePacket(conversation.getAccount(), packet);
2541	}
2542
2543	public void directInvite(Conversation conversation, Jid jid) {
2544		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2545		sendMessagePacket(conversation.getAccount(), packet);
2546	}
2547
2548	public void resetSendingToWaiting(Account account) {
2549		for (Conversation conversation : getConversations()) {
2550			if (conversation.getAccount() == account) {
2551				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2552
2553					@Override
2554					public void onMessageFound(Message message) {
2555						markMessage(message, Message.STATUS_WAITING);
2556					}
2557				});
2558			}
2559		}
2560	}
2561
2562	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2563		if (uuid == null) {
2564			return null;
2565		}
2566		for (Conversation conversation : getConversations()) {
2567			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2568				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2569				if (message != null) {
2570					markMessage(message, status);
2571				}
2572				return message;
2573			}
2574		}
2575		return null;
2576	}
2577
2578	public boolean markMessage(Conversation conversation, String uuid, int status) {
2579		if (uuid == null) {
2580			return false;
2581		} else {
2582			Message message = conversation.findSentMessageWithUuid(uuid);
2583			if (message != null) {
2584				markMessage(message, status);
2585				return true;
2586			} else {
2587				return false;
2588			}
2589		}
2590	}
2591
2592	public void markMessage(Message message, int status) {
2593		if (status == Message.STATUS_SEND_FAILED
2594				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2595				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2596			return;
2597		}
2598		message.setStatus(status);
2599		databaseBackend.updateMessage(message);
2600		updateConversationUi();
2601	}
2602
2603	public SharedPreferences getPreferences() {
2604		return PreferenceManager
2605				.getDefaultSharedPreferences(getApplicationContext());
2606	}
2607
2608	public boolean confirmMessages() {
2609		return getPreferences().getBoolean("confirm_messages", true);
2610	}
2611
2612	public boolean sendChatStates() {
2613		return getPreferences().getBoolean("chat_states", false);
2614	}
2615
2616	public boolean saveEncryptedMessages() {
2617		return !getPreferences().getBoolean("dont_save_encrypted", false);
2618	}
2619
2620	private boolean respectAutojoin() {
2621		return getPreferences().getBoolean("autojoin", true);
2622	}
2623
2624	public boolean indicateReceived() {
2625		return getPreferences().getBoolean("indicate_received", false);
2626	}
2627
2628	public boolean useTorToConnect() {
2629		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
2630	}
2631
2632	public boolean showExtendedConnectionOptions() {
2633		return getPreferences().getBoolean("show_connection_options", false);
2634	}
2635
2636	public int unreadCount() {
2637		int count = 0;
2638		for (Conversation conversation : getConversations()) {
2639			count += conversation.unreadCount();
2640		}
2641		return count;
2642	}
2643
2644
2645	public void showErrorToastInUi(int resId) {
2646		if (mOnShowErrorToast != null) {
2647			mOnShowErrorToast.onShowErrorToast(resId);
2648		}
2649	}
2650
2651	public void updateConversationUi() {
2652		if (mOnConversationUpdate != null) {
2653			mOnConversationUpdate.onConversationUpdate();
2654		}
2655	}
2656
2657	public void updateAccountUi() {
2658		if (mOnAccountUpdate != null) {
2659			mOnAccountUpdate.onAccountUpdate();
2660		}
2661	}
2662
2663	public void updateRosterUi() {
2664		if (mOnRosterUpdate != null) {
2665			mOnRosterUpdate.onRosterUpdate();
2666		}
2667	}
2668
2669	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
2670		boolean rc = false;
2671		if (mOnCaptchaRequested != null) {
2672			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
2673			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
2674					(int) (captcha.getHeight() * metrics.scaledDensity), false);
2675
2676			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
2677			rc = true;
2678		}
2679
2680		return rc;
2681	}
2682
2683	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
2684		if (mOnUpdateBlocklist != null) {
2685			mOnUpdateBlocklist.OnUpdateBlocklist(status);
2686		}
2687	}
2688
2689	public void updateMucRosterUi() {
2690		if (mOnMucRosterUpdate != null) {
2691			mOnMucRosterUpdate.onMucRosterUpdate();
2692		}
2693	}
2694
2695	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
2696		if (mOnKeyStatusUpdated != null) {
2697			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
2698		}
2699	}
2700
2701	public Account findAccountByJid(final Jid accountJid) {
2702		for (Account account : this.accounts) {
2703			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
2704				return account;
2705			}
2706		}
2707		return null;
2708	}
2709
2710	public Conversation findConversationByUuid(String uuid) {
2711		for (Conversation conversation : getConversations()) {
2712			if (conversation.getUuid().equals(uuid)) {
2713				return conversation;
2714			}
2715		}
2716		return null;
2717	}
2718
2719	public void markRead(final Conversation conversation) {
2720		mNotificationService.clear(conversation);
2721		final List<Message> readMessages = conversation.markRead();
2722		if (readMessages.size() > 0) {
2723			Runnable runnable = new Runnable() {
2724				@Override
2725				public void run() {
2726					for (Message message : readMessages) {
2727						databaseBackend.updateMessage(message);
2728					}
2729				}
2730			};
2731			mDatabaseExecutor.execute(runnable);
2732		}
2733		updateUnreadCountBadge();
2734	}
2735
2736	public synchronized void updateUnreadCountBadge() {
2737		int count = unreadCount();
2738		if (unreadCount != count) {
2739			Log.d(Config.LOGTAG, "update unread count to " + count);
2740			if (count > 0) {
2741				ShortcutBadger.with(getApplicationContext()).count(count);
2742			} else {
2743				ShortcutBadger.with(getApplicationContext()).remove();
2744			}
2745			unreadCount = count;
2746		}
2747	}
2748
2749	public void sendReadMarker(final Conversation conversation) {
2750		final Message markable = conversation.getLatestMarkableMessage();
2751		this.markRead(conversation);
2752		if (confirmMessages() && markable != null && markable.getRemoteMsgId() != null) {
2753			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
2754			Account account = conversation.getAccount();
2755			final Jid to = markable.getCounterpart();
2756			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
2757			this.sendMessagePacket(conversation.getAccount(), packet);
2758		}
2759		updateConversationUi();
2760	}
2761
2762	public SecureRandom getRNG() {
2763		return this.mRandom;
2764	}
2765
2766	public MemorizingTrustManager getMemorizingTrustManager() {
2767		return this.mMemorizingTrustManager;
2768	}
2769
2770	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
2771		this.mMemorizingTrustManager = trustManager;
2772	}
2773
2774	public void updateMemorizingTrustmanager() {
2775		final MemorizingTrustManager tm;
2776		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
2777		if (dontTrustSystemCAs) {
2778			tm = new MemorizingTrustManager(getApplicationContext(), null);
2779		} else {
2780			tm = new MemorizingTrustManager(getApplicationContext());
2781		}
2782		setMemorizingTrustManager(tm);
2783	}
2784
2785	public PowerManager getPowerManager() {
2786		return this.pm;
2787	}
2788
2789	public LruCache<String, Bitmap> getBitmapCache() {
2790		return this.mBitmapCache;
2791	}
2792
2793	public void syncRosterToDisk(final Account account) {
2794		Runnable runnable = new Runnable() {
2795
2796			@Override
2797			public void run() {
2798				databaseBackend.writeRoster(account.getRoster());
2799			}
2800		};
2801		mDatabaseExecutor.execute(runnable);
2802
2803	}
2804
2805	public List<String> getKnownHosts() {
2806		final List<String> hosts = new ArrayList<>();
2807		for (final Account account : getAccounts()) {
2808			if (!hosts.contains(account.getServer().toString())) {
2809				hosts.add(account.getServer().toString());
2810			}
2811			for (final Contact contact : account.getRoster().getContacts()) {
2812				if (contact.showInRoster()) {
2813					final String server = contact.getServer().toString();
2814					if (server != null && !hosts.contains(server)) {
2815						hosts.add(server);
2816					}
2817				}
2818			}
2819		}
2820		return hosts;
2821	}
2822
2823	public List<String> getKnownConferenceHosts() {
2824		final ArrayList<String> mucServers = new ArrayList<>();
2825		for (final Account account : accounts) {
2826			if (account.getXmppConnection() != null) {
2827				final String server = account.getXmppConnection().getMucServer();
2828				if (server != null && !mucServers.contains(server)) {
2829					mucServers.add(server);
2830				}
2831			}
2832		}
2833		return mucServers;
2834	}
2835
2836	public void sendMessagePacket(Account account, MessagePacket packet) {
2837		XmppConnection connection = account.getXmppConnection();
2838		if (connection != null) {
2839			connection.sendMessagePacket(packet);
2840		}
2841	}
2842
2843	public void sendPresencePacket(Account account, PresencePacket packet) {
2844		XmppConnection connection = account.getXmppConnection();
2845		if (connection != null) {
2846			connection.sendPresencePacket(packet);
2847		}
2848	}
2849
2850	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
2851		XmppConnection connection = account.getXmppConnection();
2852		if (connection != null) {
2853			connection.sendCaptchaRegistryRequest(id, data);
2854		}
2855	}
2856
2857	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
2858		final XmppConnection connection = account.getXmppConnection();
2859		if (connection != null) {
2860			connection.sendIqPacket(packet, callback);
2861		}
2862	}
2863
2864	public void sendPresence(final Account account) {
2865		sendPresencePacket(account, mPresenceGenerator.selfPresence(account, getTargetPresence()));
2866	}
2867
2868	public void refreshAllPresences() {
2869		for (Account account : getAccounts()) {
2870			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2871				sendPresence(account);
2872			}
2873		}
2874	}
2875
2876	private void refreshAllGcmTokens() {
2877		for(Account account : getAccounts()) {
2878			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
2879				mPushManagementService.registerPushTokenOnServer(account);
2880			}
2881		}
2882	}
2883
2884	public void sendOfflinePresence(final Account account) {
2885		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
2886	}
2887
2888	public MessageGenerator getMessageGenerator() {
2889		return this.mMessageGenerator;
2890	}
2891
2892	public PresenceGenerator getPresenceGenerator() {
2893		return this.mPresenceGenerator;
2894	}
2895
2896	public IqGenerator getIqGenerator() {
2897		return this.mIqGenerator;
2898	}
2899
2900	public IqParser getIqParser() {
2901		return this.mIqParser;
2902	}
2903
2904	public JingleConnectionManager getJingleConnectionManager() {
2905		return this.mJingleConnectionManager;
2906	}
2907
2908	public MessageArchiveService getMessageArchiveService() {
2909		return this.mMessageArchiveService;
2910	}
2911
2912	public List<Contact> findContacts(Jid jid) {
2913		ArrayList<Contact> contacts = new ArrayList<>();
2914		for (Account account : getAccounts()) {
2915			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2916				Contact contact = account.getRoster().getContactFromRoster(jid);
2917				if (contact != null) {
2918					contacts.add(contact);
2919				}
2920			}
2921		}
2922		return contacts;
2923	}
2924
2925	public NotificationService getNotificationService() {
2926		return this.mNotificationService;
2927	}
2928
2929	public HttpConnectionManager getHttpConnectionManager() {
2930		return this.mHttpConnectionManager;
2931	}
2932
2933	public void resendFailedMessages(final Message message) {
2934		final Collection<Message> messages = new ArrayList<>();
2935		Message current = message;
2936		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
2937			messages.add(current);
2938			if (current.mergeable(current.next())) {
2939				current = current.next();
2940			} else {
2941				break;
2942			}
2943		}
2944		for (final Message msg : messages) {
2945			msg.setTime(System.currentTimeMillis());
2946			markMessage(msg, Message.STATUS_WAITING);
2947			this.resendMessage(msg, false);
2948		}
2949	}
2950
2951	public void clearConversationHistory(final Conversation conversation) {
2952		conversation.clearMessages();
2953		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
2954		conversation.setLastClearHistory(System.currentTimeMillis());
2955		Runnable runnable = new Runnable() {
2956			@Override
2957			public void run() {
2958				databaseBackend.deleteMessagesInConversation(conversation);
2959			}
2960		};
2961		mDatabaseExecutor.execute(runnable);
2962	}
2963
2964	public void sendBlockRequest(final Blockable blockable) {
2965		if (blockable != null && blockable.getBlockedJid() != null) {
2966			final Jid jid = blockable.getBlockedJid();
2967			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid), new OnIqPacketReceived() {
2968
2969				@Override
2970				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2971					if (packet.getType() == IqPacket.TYPE.RESULT) {
2972						account.getBlocklist().add(jid);
2973						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
2974					}
2975				}
2976			});
2977		}
2978	}
2979
2980	public void sendUnblockRequest(final Blockable blockable) {
2981		if (blockable != null && blockable.getJid() != null) {
2982			final Jid jid = blockable.getBlockedJid();
2983			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
2984				@Override
2985				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2986					if (packet.getType() == IqPacket.TYPE.RESULT) {
2987						account.getBlocklist().remove(jid);
2988						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
2989					}
2990				}
2991			});
2992		}
2993	}
2994
2995	public void publishDisplayName(Account account) {
2996		String displayName = account.getDisplayName();
2997		if (displayName != null && !displayName.isEmpty()) {
2998			IqPacket publish = mIqGenerator.publishNick(displayName);
2999			sendIqPacket(account, publish, new OnIqPacketReceived() {
3000				@Override
3001				public void onIqPacketReceived(Account account, IqPacket packet) {
3002					if (packet.getType() == IqPacket.TYPE.ERROR) {
3003						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
3004					}
3005				}
3006			});
3007		}
3008	}
3009
3010	private ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String,String> key) {
3011		ServiceDiscoveryResult result = discoCache.get(key);
3012		if (result != null) {
3013			return result;
3014		} else {
3015			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3016			if (result != null) {
3017				discoCache.put(key, result);
3018			}
3019			return result;
3020		}
3021	}
3022
3023	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3024		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
3025		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3026		if (disco != null) {
3027			presence.setServiceDiscoveryResult(disco);
3028		} else {
3029			if (!account.inProgressDiscoFetches.contains(key)) {
3030				account.inProgressDiscoFetches.add(key);
3031				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3032				request.setTo(jid);
3033				request.query("http://jabber.org/protocol/disco#info");
3034				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
3035				sendIqPacket(account, request, new OnIqPacketReceived() {
3036					@Override
3037					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3038						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3039							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3040							if (presence.getVer().equals(disco.getVer())) {
3041								databaseBackend.insertDiscoveryResult(disco);
3042								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3043							} else {
3044								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco.getVer());
3045							}
3046						}
3047						account.inProgressDiscoFetches.remove(key);
3048					}
3049				});
3050			}
3051		}
3052	}
3053
3054	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3055		for(Contact contact : roster.getContacts()) {
3056			for(Presence presence : contact.getPresences().getPresences().values()) {
3057				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3058					presence.setServiceDiscoveryResult(disco);
3059				}
3060			}
3061		}
3062	}
3063
3064	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3065		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3066		request.addChild("prefs","urn:xmpp:mam:0");
3067		sendIqPacket(account, request, new OnIqPacketReceived() {
3068			@Override
3069			public void onIqPacketReceived(Account account, IqPacket packet) {
3070				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3071				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3072					callback.onPreferencesFetched(prefs);
3073				} else {
3074					callback.onPreferencesFetchFailed();
3075				}
3076			}
3077		});
3078	}
3079
3080	public PushManagementService getPushManagementService() {
3081		return mPushManagementService;
3082	}
3083
3084	public interface OnMamPreferencesFetched {
3085		void onPreferencesFetched(Element prefs);
3086		void onPreferencesFetchFailed();
3087	}
3088
3089	public void pushMamPreferences(Account account, Element prefs) {
3090		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3091		set.addChild(prefs);
3092		sendIqPacket(account, set, null);
3093	}
3094
3095	public interface OnAccountCreated {
3096		void onAccountCreated(Account account);
3097
3098		void informUser(int r);
3099	}
3100
3101	public interface OnMoreMessagesLoaded {
3102		void onMoreMessagesLoaded(int count, Conversation conversation);
3103
3104		void informUser(int r);
3105	}
3106
3107	public interface OnAccountPasswordChanged {
3108		void onPasswordChangeSucceeded();
3109
3110		void onPasswordChangeFailed();
3111	}
3112
3113	public interface OnAffiliationChanged {
3114		void onAffiliationChangedSuccessful(Jid jid);
3115
3116		void onAffiliationChangeFailed(Jid jid, int resId);
3117	}
3118
3119	public interface OnRoleChanged {
3120		void onRoleChangedSuccessful(String nick);
3121
3122		void onRoleChangeFailed(String nick, int resid);
3123	}
3124
3125	public interface OnConversationUpdate {
3126		void onConversationUpdate();
3127	}
3128
3129	public interface OnAccountUpdate {
3130		void onAccountUpdate();
3131	}
3132
3133	public interface OnCaptchaRequested {
3134		void onCaptchaRequested(Account account,
3135								String id,
3136								Data data,
3137								Bitmap captcha);
3138	}
3139
3140	public interface OnRosterUpdate {
3141		void onRosterUpdate();
3142	}
3143
3144	public interface OnMucRosterUpdate {
3145		void onMucRosterUpdate();
3146	}
3147
3148	public interface OnConferenceConfigurationFetched {
3149		void onConferenceConfigurationFetched(Conversation conversation);
3150
3151		void onFetchFailed(Conversation conversation, Element error);
3152	}
3153
3154	public interface OnConferenceJoined {
3155		void onConferenceJoined(Conversation conversation);
3156	}
3157
3158	public interface OnConferenceOptionsPushed {
3159		void onPushSucceeded();
3160
3161		void onPushFailed();
3162	}
3163
3164	public interface OnShowErrorToast {
3165		void onShowErrorToast(int resId);
3166	}
3167
3168	public class XmppConnectionBinder extends Binder {
3169		public XmppConnectionService getService() {
3170			return XmppConnectionService.this;
3171		}
3172	}
3173}