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		boolean saveInDb = addToConversation;
 847		message.setStatus(Message.STATUS_WAITING);
 848
 849		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
 850			message.getConversation().endOtrIfNeeded();
 851			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
 852					new Conversation.OnMessageFound() {
 853						@Override
 854						public void onMessageFound(Message message) {
 855							markMessage(message, Message.STATUS_SEND_FAILED);
 856						}
 857					});
 858		}
 859
 860		if (account.isOnlineAndConnected()) {
 861			switch (message.getEncryption()) {
 862				case Message.ENCRYPTION_NONE:
 863					if (message.needsUploading()) {
 864						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 865							this.sendFileMessage(message, delay);
 866						} else {
 867							break;
 868						}
 869					} else {
 870						packet = mMessageGenerator.generateChat(message);
 871					}
 872					break;
 873				case Message.ENCRYPTION_PGP:
 874				case Message.ENCRYPTION_DECRYPTED:
 875					if (message.needsUploading()) {
 876						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 877							this.sendFileMessage(message, delay);
 878						} else {
 879							break;
 880						}
 881					} else {
 882						packet = mMessageGenerator.generatePgpChat(message);
 883					}
 884					break;
 885				case Message.ENCRYPTION_OTR:
 886					SessionImpl otrSession = conversation.getOtrSession();
 887					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
 888						try {
 889							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
 890						} catch (InvalidJidException e) {
 891							break;
 892						}
 893						if (message.needsUploading()) {
 894							mJingleConnectionManager.createNewConnection(message);
 895						} else {
 896							packet = mMessageGenerator.generateOtrChat(message);
 897						}
 898					} else if (otrSession == null) {
 899						if (message.fixCounterpart()) {
 900							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
 901						} else {
 902							break;
 903						}
 904					}
 905					break;
 906				case Message.ENCRYPTION_AXOLOTL:
 907					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 908					if (message.needsUploading()) {
 909						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 910							this.sendFileMessage(message, delay);
 911						} else {
 912							break;
 913						}
 914					} else {
 915						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
 916						if (axolotlMessage == null) {
 917							account.getAxolotlService().preparePayloadMessage(message, delay);
 918						} else {
 919							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
 920						}
 921					}
 922					break;
 923
 924			}
 925			if (packet != null) {
 926				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 927					message.setStatus(Message.STATUS_UNSEND);
 928				} else {
 929					message.setStatus(Message.STATUS_SEND);
 930				}
 931			}
 932		} else {
 933			switch (message.getEncryption()) {
 934				case Message.ENCRYPTION_DECRYPTED:
 935					if (!message.needsUploading()) {
 936						String pgpBody = message.getEncryptedBody();
 937						String decryptedBody = message.getBody();
 938						message.setBody(pgpBody);
 939						message.setEncryption(Message.ENCRYPTION_PGP);
 940						databaseBackend.createMessage(message);
 941						saveInDb = false;
 942						message.setBody(decryptedBody);
 943						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 944					}
 945					break;
 946				case Message.ENCRYPTION_OTR:
 947					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
 948						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
 949					}
 950					break;
 951				case Message.ENCRYPTION_AXOLOTL:
 952					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 953					break;
 954			}
 955		}
 956
 957		if (resend) {
 958			if (packet != null && addToConversation) {
 959				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 960					markMessage(message, Message.STATUS_UNSEND);
 961				} else {
 962					markMessage(message, Message.STATUS_SEND);
 963				}
 964			}
 965		} else {
 966			if (addToConversation) {
 967				conversation.add(message);
 968			}
 969			if (saveInDb && (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages())) {
 970				databaseBackend.createMessage(message);
 971			}
 972			updateConversationUi();
 973		}
 974		if (packet != null) {
 975			if (delay) {
 976				mMessageGenerator.addDelay(packet, message.getTimeSent());
 977			}
 978			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
 979				if (this.sendChatStates()) {
 980					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
 981				}
 982			}
 983			sendMessagePacket(account, packet);
 984		}
 985	}
 986
 987	private void sendUnsentMessages(final Conversation conversation) {
 988		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
 989
 990			@Override
 991			public void onMessageFound(Message message) {
 992				resendMessage(message, true);
 993			}
 994		});
 995	}
 996
 997	public void resendMessage(final Message message, final boolean delay) {
 998		sendMessage(message, true, delay);
 999	}
1000
1001	public void fetchRosterFromServer(final Account account) {
1002		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1003		if (!"".equals(account.getRosterVersion())) {
1004			Log.d(Config.LOGTAG, account.getJid().toBareJid()
1005					+ ": fetching roster version " + account.getRosterVersion());
1006		} else {
1007			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
1008		}
1009		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
1010		sendIqPacket(account, iqPacket, mIqParser);
1011	}
1012
1013	public void fetchBookmarks(final Account account) {
1014		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1015		final Element query = iqPacket.query("jabber:iq:private");
1016		query.addChild("storage", "storage:bookmarks");
1017		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1018
1019			@Override
1020			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1021				if (packet.getType() == IqPacket.TYPE.RESULT) {
1022					final Element query = packet.query();
1023					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1024					final Element storage = query.findChild("storage", "storage:bookmarks");
1025					final boolean autojoin = respectAutojoin();
1026					if (storage != null) {
1027						for (final Element item : storage.getChildren()) {
1028							if (item.getName().equals("conference")) {
1029								final Bookmark bookmark = Bookmark.parse(item, account);
1030								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1031								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1032									bookmark.setBookmarkName(old.getBookmarkName());
1033								}
1034								Conversation conversation = find(bookmark);
1035								if (conversation != null) {
1036									conversation.setBookmark(bookmark);
1037								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1038									conversation = findOrCreateConversation(
1039											account, bookmark.getJid(), true);
1040									conversation.setBookmark(bookmark);
1041									joinMuc(conversation);
1042								}
1043							}
1044						}
1045					}
1046					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1047				} else {
1048					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1049				}
1050			}
1051		};
1052		sendIqPacket(account, iqPacket, callback);
1053	}
1054
1055	public void pushBookmarks(Account account) {
1056		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1057		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1058		Element query = iqPacket.query("jabber:iq:private");
1059		Element storage = query.addChild("storage", "storage:bookmarks");
1060		for (Bookmark bookmark : account.getBookmarks()) {
1061			storage.addChild(bookmark);
1062		}
1063		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1064	}
1065
1066	public void onPhoneContactsLoaded(final List<Bundle> phoneContacts) {
1067		if (mPhoneContactMergerThread != null) {
1068			mPhoneContactMergerThread.interrupt();
1069		}
1070		mPhoneContactMergerThread = new Thread(new Runnable() {
1071			@Override
1072			public void run() {
1073				Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1074				for (Account account : accounts) {
1075					List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1076					for (Bundle phoneContact : phoneContacts) {
1077						if (Thread.interrupted()) {
1078							Log.d(Config.LOGTAG, "interrupted merging phone contacts");
1079							return;
1080						}
1081						Jid jid;
1082						try {
1083							jid = Jid.fromString(phoneContact.getString("jid"));
1084						} catch (final InvalidJidException e) {
1085							continue;
1086						}
1087						final Contact contact = account.getRoster().getContact(jid);
1088						String systemAccount = phoneContact.getInt("phoneid")
1089								+ "#"
1090								+ phoneContact.getString("lookup");
1091						contact.setSystemAccount(systemAccount);
1092						if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1093							getAvatarService().clear(contact);
1094						}
1095						contact.setSystemName(phoneContact.getString("displayname"));
1096						withSystemAccounts.remove(contact);
1097					}
1098					for (Contact contact : withSystemAccounts) {
1099						contact.setSystemAccount(null);
1100						contact.setSystemName(null);
1101						if (contact.setPhotoUri(null)) {
1102							getAvatarService().clear(contact);
1103						}
1104					}
1105				}
1106				Log.d(Config.LOGTAG, "finished merging phone contacts");
1107				updateAccountUi();
1108			}
1109		});
1110		mPhoneContactMergerThread.start();
1111	}
1112
1113	private void restoreFromDatabase() {
1114		synchronized (this.conversations) {
1115			final Map<String, Account> accountLookupTable = new Hashtable<>();
1116			for (Account account : this.accounts) {
1117				accountLookupTable.put(account.getUuid(), account);
1118			}
1119			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1120			for (Conversation conversation : this.conversations) {
1121				Account account = accountLookupTable.get(conversation.getAccountUuid());
1122				conversation.setAccount(account);
1123			}
1124			Runnable runnable = new Runnable() {
1125				@Override
1126				public void run() {
1127					Log.d(Config.LOGTAG, "restoring roster");
1128					for (Account account : accounts) {
1129						databaseBackend.readRoster(account.getRoster());
1130						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1131					}
1132					getBitmapCache().evictAll();
1133					Looper.prepare();
1134					loadPhoneContacts();
1135					Log.d(Config.LOGTAG, "restoring messages");
1136					for (Conversation conversation : conversations) {
1137						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1138						checkDeletedFiles(conversation);
1139						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1140							@Override
1141							public void onMessageFound(Message message) {
1142								mNotificationService.pushFromBacklog(message);
1143							}
1144						});
1145					}
1146					mNotificationService.finishBacklog(false);
1147					mRestoredFromDatabase = true;
1148					Log.d(Config.LOGTAG, "restored all messages");
1149					updateConversationUi();
1150				}
1151			};
1152			mDatabaseExecutor.execute(runnable);
1153		}
1154	}
1155
1156	public void loadPhoneContacts() {
1157		PhoneHelper.loadPhoneContacts(getApplicationContext(),
1158				new CopyOnWriteArrayList<Bundle>(),
1159				XmppConnectionService.this);
1160	}
1161
1162	public List<Conversation> getConversations() {
1163		return this.conversations;
1164	}
1165
1166	private void checkDeletedFiles(Conversation conversation) {
1167		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1168
1169			@Override
1170			public void onMessageFound(Message message) {
1171				if (!getFileBackend().isFileAvailable(message)) {
1172					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1173					final int s = message.getStatus();
1174					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1175						markMessage(message, Message.STATUS_SEND_FAILED);
1176					}
1177				}
1178			}
1179		});
1180	}
1181
1182	private void markFileDeleted(String uuid) {
1183		for (Conversation conversation : getConversations()) {
1184			Message message = conversation.findMessageWithFileAndUuid(uuid);
1185			if (message != null) {
1186				if (!getFileBackend().isFileAvailable(message)) {
1187					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1188					final int s = message.getStatus();
1189					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1190						markMessage(message, Message.STATUS_SEND_FAILED);
1191					} else {
1192						updateConversationUi();
1193					}
1194				}
1195				return;
1196			}
1197		}
1198	}
1199
1200	public void populateWithOrderedConversations(final List<Conversation> list) {
1201		populateWithOrderedConversations(list, true);
1202	}
1203
1204	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1205		list.clear();
1206		if (includeNoFileUpload) {
1207			list.addAll(getConversations());
1208		} else {
1209			for (Conversation conversation : getConversations()) {
1210				if (conversation.getMode() == Conversation.MODE_SINGLE
1211						|| conversation.getAccount().httpUploadAvailable()) {
1212					list.add(conversation);
1213				}
1214			}
1215		}
1216		Collections.sort(list, new Comparator<Conversation>() {
1217			@Override
1218			public int compare(Conversation lhs, Conversation rhs) {
1219				Message left = lhs.getLatestMessage();
1220				Message right = rhs.getLatestMessage();
1221				if (left.getTimeSent() > right.getTimeSent()) {
1222					return -1;
1223				} else if (left.getTimeSent() < right.getTimeSent()) {
1224					return 1;
1225				} else {
1226					return 0;
1227				}
1228			}
1229		});
1230	}
1231
1232	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1233		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1234			return;
1235		} else if (timestamp == 0) {
1236			return;
1237		}
1238		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1239		Runnable runnable = new Runnable() {
1240			@Override
1241			public void run() {
1242				final Account account = conversation.getAccount();
1243				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1244				if (messages.size() > 0) {
1245					conversation.addAll(0, messages);
1246					checkDeletedFiles(conversation);
1247					callback.onMoreMessagesLoaded(messages.size(), conversation);
1248				} else if (conversation.hasMessagesLeftOnServer()
1249						&& account.isOnlineAndConnected()
1250						&& conversation.getLastClearHistory() == 0) {
1251					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1252							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1253						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1254						if (query != null) {
1255							query.setCallback(callback);
1256						}
1257						callback.informUser(R.string.fetching_history_from_server);
1258					}
1259				}
1260			}
1261		};
1262		mDatabaseExecutor.execute(runnable);
1263	}
1264
1265	public List<Account> getAccounts() {
1266		return this.accounts;
1267	}
1268
1269	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1270		for (final Conversation conversation : haystack) {
1271			if (conversation.getContact() == contact) {
1272				return conversation;
1273			}
1274		}
1275		return null;
1276	}
1277
1278	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1279		if (jid == null) {
1280			return null;
1281		}
1282		for (final Conversation conversation : haystack) {
1283			if ((account == null || conversation.getAccount() == account)
1284					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1285				return conversation;
1286			}
1287		}
1288		return null;
1289	}
1290
1291	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1292		return this.findOrCreateConversation(account, jid, muc, null);
1293	}
1294
1295	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1296		synchronized (this.conversations) {
1297			Conversation conversation = find(account, jid);
1298			if (conversation != null) {
1299				return conversation;
1300			}
1301			conversation = databaseBackend.findConversation(account, jid);
1302			if (conversation != null) {
1303				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1304				conversation.setAccount(account);
1305				if (muc) {
1306					conversation.setMode(Conversation.MODE_MULTI);
1307					conversation.setContactJid(jid);
1308				} else {
1309					conversation.setMode(Conversation.MODE_SINGLE);
1310					conversation.setContactJid(jid.toBareJid());
1311				}
1312				conversation.setNextEncryption(-1);
1313				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1314				this.databaseBackend.updateConversation(conversation);
1315			} else {
1316				String conversationName;
1317				Contact contact = account.getRoster().getContact(jid);
1318				if (contact != null) {
1319					conversationName = contact.getDisplayName();
1320				} else {
1321					conversationName = jid.getLocalpart();
1322				}
1323				if (muc) {
1324					conversation = new Conversation(conversationName, account, jid,
1325							Conversation.MODE_MULTI);
1326				} else {
1327					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1328							Conversation.MODE_SINGLE);
1329				}
1330				this.databaseBackend.createConversation(conversation);
1331			}
1332			if (account.getXmppConnection() != null
1333					&& account.getXmppConnection().getFeatures().mam()
1334					&& !muc) {
1335				if (query == null) {
1336					this.mMessageArchiveService.query(conversation);
1337				} else {
1338					if (query.getConversation() == null) {
1339						this.mMessageArchiveService.query(conversation, query.getStart());
1340					}
1341				}
1342			}
1343			checkDeletedFiles(conversation);
1344			this.conversations.add(conversation);
1345			updateConversationUi();
1346			return conversation;
1347		}
1348	}
1349
1350	public void archiveConversation(Conversation conversation) {
1351		getNotificationService().clear(conversation);
1352		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1353		conversation.setNextEncryption(-1);
1354		synchronized (this.conversations) {
1355			if (conversation.getMode() == Conversation.MODE_MULTI) {
1356				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1357					Bookmark bookmark = conversation.getBookmark();
1358					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1359						bookmark.setAutojoin(false);
1360						pushBookmarks(bookmark.getAccount());
1361					}
1362				}
1363				leaveMuc(conversation);
1364			} else {
1365				conversation.endOtrIfNeeded();
1366				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1367					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1368					sendPresencePacket(
1369							conversation.getAccount(),
1370							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1371					);
1372				}
1373			}
1374			this.databaseBackend.updateConversation(conversation);
1375			this.conversations.remove(conversation);
1376			updateConversationUi();
1377		}
1378	}
1379
1380	public void createAccount(final Account account) {
1381		account.initAccountServices(this);
1382		databaseBackend.createAccount(account);
1383		this.accounts.add(account);
1384		this.reconnectAccountInBackground(account);
1385		updateAccountUi();
1386	}
1387
1388	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1389		new Thread(new Runnable() {
1390			@Override
1391			public void run() {
1392				try {
1393					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1394					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1395					if (findAccountByJid(info.first) == null) {
1396						Account account = new Account(info.first, "");
1397						account.setPrivateKeyAlias(alias);
1398						account.setOption(Account.OPTION_DISABLED, true);
1399						account.setDisplayName(info.second);
1400						createAccount(account);
1401						callback.onAccountCreated(account);
1402						if (Config.X509_VERIFICATION) {
1403							try {
1404								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1405							} catch (CertificateException e) {
1406								callback.informUser(R.string.certificate_chain_is_not_trusted);
1407							}
1408						}
1409					} else {
1410						callback.informUser(R.string.account_already_exists);
1411					}
1412				} catch (Exception e) {
1413					e.printStackTrace();
1414					callback.informUser(R.string.unable_to_parse_certificate);
1415				}
1416			}
1417		}).start();
1418
1419	}
1420
1421	public void updateKeyInAccount(final Account account, final String alias) {
1422		Log.d(Config.LOGTAG, "update key in account " + alias);
1423		try {
1424			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1425			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1426			if (account.getJid().toBareJid().equals(info.first)) {
1427				account.setPrivateKeyAlias(alias);
1428				account.setDisplayName(info.second);
1429				databaseBackend.updateAccount(account);
1430				if (Config.X509_VERIFICATION) {
1431					try {
1432						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1433					} catch (CertificateException e) {
1434						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1435					}
1436					account.getAxolotlService().regenerateKeys(true);
1437				}
1438			} else {
1439				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1440			}
1441		} catch (Exception e) {
1442			e.printStackTrace();
1443		}
1444	}
1445
1446	public void updateAccount(final Account account) {
1447		this.statusListener.onStatusChanged(account);
1448		databaseBackend.updateAccount(account);
1449		reconnectAccountInBackground(account);
1450		updateAccountUi();
1451		getNotificationService().updateErrorNotification();
1452	}
1453
1454	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1455		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1456		sendIqPacket(account, iq, new OnIqPacketReceived() {
1457			@Override
1458			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1459				if (packet.getType() == IqPacket.TYPE.RESULT) {
1460					account.setPassword(newPassword);
1461					databaseBackend.updateAccount(account);
1462					callback.onPasswordChangeSucceeded();
1463				} else {
1464					callback.onPasswordChangeFailed();
1465				}
1466			}
1467		});
1468	}
1469
1470	public void deleteAccount(final Account account) {
1471		synchronized (this.conversations) {
1472			for (final Conversation conversation : conversations) {
1473				if (conversation.getAccount() == account) {
1474					if (conversation.getMode() == Conversation.MODE_MULTI) {
1475						leaveMuc(conversation);
1476					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1477						conversation.endOtrIfNeeded();
1478					}
1479					conversations.remove(conversation);
1480				}
1481			}
1482			if (account.getXmppConnection() != null) {
1483				this.disconnect(account, true);
1484			}
1485			Runnable runnable = new Runnable() {
1486				@Override
1487				public void run() {
1488					databaseBackend.deleteAccount(account);
1489				}
1490			};
1491			mDatabaseExecutor.execute(runnable);
1492			this.accounts.remove(account);
1493			updateAccountUi();
1494			getNotificationService().updateErrorNotification();
1495		}
1496	}
1497
1498	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1499		synchronized (this) {
1500			if (checkListeners()) {
1501				switchToForeground();
1502			}
1503			this.mOnConversationUpdate = listener;
1504			this.mNotificationService.setIsInForeground(true);
1505			if (this.convChangedListenerCount < 2) {
1506				this.convChangedListenerCount++;
1507			}
1508		}
1509	}
1510
1511	public void removeOnConversationListChangedListener() {
1512		synchronized (this) {
1513			this.convChangedListenerCount--;
1514			if (this.convChangedListenerCount <= 0) {
1515				this.convChangedListenerCount = 0;
1516				this.mOnConversationUpdate = null;
1517				this.mNotificationService.setIsInForeground(false);
1518				if (checkListeners()) {
1519					switchToBackground();
1520				}
1521			}
1522		}
1523	}
1524
1525	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1526		synchronized (this) {
1527			if (checkListeners()) {
1528				switchToForeground();
1529			}
1530			this.mOnShowErrorToast = onShowErrorToast;
1531			if (this.showErrorToastListenerCount < 2) {
1532				this.showErrorToastListenerCount++;
1533			}
1534		}
1535		this.mOnShowErrorToast = onShowErrorToast;
1536	}
1537
1538	public void removeOnShowErrorToastListener() {
1539		synchronized (this) {
1540			this.showErrorToastListenerCount--;
1541			if (this.showErrorToastListenerCount <= 0) {
1542				this.showErrorToastListenerCount = 0;
1543				this.mOnShowErrorToast = null;
1544				if (checkListeners()) {
1545					switchToBackground();
1546				}
1547			}
1548		}
1549	}
1550
1551	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1552		synchronized (this) {
1553			if (checkListeners()) {
1554				switchToForeground();
1555			}
1556			this.mOnAccountUpdate = listener;
1557			if (this.accountChangedListenerCount < 2) {
1558				this.accountChangedListenerCount++;
1559			}
1560		}
1561	}
1562
1563	public void removeOnAccountListChangedListener() {
1564		synchronized (this) {
1565			this.accountChangedListenerCount--;
1566			if (this.accountChangedListenerCount <= 0) {
1567				this.mOnAccountUpdate = null;
1568				this.accountChangedListenerCount = 0;
1569				if (checkListeners()) {
1570					switchToBackground();
1571				}
1572			}
1573		}
1574	}
1575
1576	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1577		synchronized (this) {
1578			if (checkListeners()) {
1579				switchToForeground();
1580			}
1581			this.mOnCaptchaRequested = listener;
1582			if (this.captchaRequestedListenerCount < 2) {
1583				this.captchaRequestedListenerCount++;
1584			}
1585		}
1586	}
1587
1588	public void removeOnCaptchaRequestedListener() {
1589		synchronized (this) {
1590			this.captchaRequestedListenerCount--;
1591			if (this.captchaRequestedListenerCount <= 0) {
1592				this.mOnCaptchaRequested = null;
1593				this.captchaRequestedListenerCount = 0;
1594				if (checkListeners()) {
1595					switchToBackground();
1596				}
1597			}
1598		}
1599	}
1600
1601	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1602		synchronized (this) {
1603			if (checkListeners()) {
1604				switchToForeground();
1605			}
1606			this.mOnRosterUpdate = listener;
1607			if (this.rosterChangedListenerCount < 2) {
1608				this.rosterChangedListenerCount++;
1609			}
1610		}
1611	}
1612
1613	public void removeOnRosterUpdateListener() {
1614		synchronized (this) {
1615			this.rosterChangedListenerCount--;
1616			if (this.rosterChangedListenerCount <= 0) {
1617				this.rosterChangedListenerCount = 0;
1618				this.mOnRosterUpdate = null;
1619				if (checkListeners()) {
1620					switchToBackground();
1621				}
1622			}
1623		}
1624	}
1625
1626	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1627		synchronized (this) {
1628			if (checkListeners()) {
1629				switchToForeground();
1630			}
1631			this.mOnUpdateBlocklist = listener;
1632			if (this.updateBlocklistListenerCount < 2) {
1633				this.updateBlocklistListenerCount++;
1634			}
1635		}
1636	}
1637
1638	public void removeOnUpdateBlocklistListener() {
1639		synchronized (this) {
1640			this.updateBlocklistListenerCount--;
1641			if (this.updateBlocklistListenerCount <= 0) {
1642				this.updateBlocklistListenerCount = 0;
1643				this.mOnUpdateBlocklist = null;
1644				if (checkListeners()) {
1645					switchToBackground();
1646				}
1647			}
1648		}
1649	}
1650
1651	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1652		synchronized (this) {
1653			if (checkListeners()) {
1654				switchToForeground();
1655			}
1656			this.mOnKeyStatusUpdated = listener;
1657			if (this.keyStatusUpdatedListenerCount < 2) {
1658				this.keyStatusUpdatedListenerCount++;
1659			}
1660		}
1661	}
1662
1663	public void removeOnNewKeysAvailableListener() {
1664		synchronized (this) {
1665			this.keyStatusUpdatedListenerCount--;
1666			if (this.keyStatusUpdatedListenerCount <= 0) {
1667				this.keyStatusUpdatedListenerCount = 0;
1668				this.mOnKeyStatusUpdated = null;
1669				if (checkListeners()) {
1670					switchToBackground();
1671				}
1672			}
1673		}
1674	}
1675
1676	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1677		synchronized (this) {
1678			if (checkListeners()) {
1679				switchToForeground();
1680			}
1681			this.mOnMucRosterUpdate = listener;
1682			if (this.mucRosterChangedListenerCount < 2) {
1683				this.mucRosterChangedListenerCount++;
1684			}
1685		}
1686	}
1687
1688	public void removeOnMucRosterUpdateListener() {
1689		synchronized (this) {
1690			this.mucRosterChangedListenerCount--;
1691			if (this.mucRosterChangedListenerCount <= 0) {
1692				this.mucRosterChangedListenerCount = 0;
1693				this.mOnMucRosterUpdate = null;
1694				if (checkListeners()) {
1695					switchToBackground();
1696				}
1697			}
1698		}
1699	}
1700
1701	private boolean checkListeners() {
1702		return (this.mOnAccountUpdate == null
1703				&& this.mOnConversationUpdate == null
1704				&& this.mOnRosterUpdate == null
1705				&& this.mOnCaptchaRequested == null
1706				&& this.mOnUpdateBlocklist == null
1707				&& this.mOnShowErrorToast == null
1708				&& this.mOnKeyStatusUpdated == null);
1709	}
1710
1711	private void switchToForeground() {
1712		for (Conversation conversation : getConversations()) {
1713			conversation.setIncomingChatState(ChatState.ACTIVE);
1714		}
1715		for (Account account : getAccounts()) {
1716			if (account.getStatus() == Account.State.ONLINE) {
1717				XmppConnection connection = account.getXmppConnection();
1718				if (connection != null && connection.getFeatures().csi()) {
1719					connection.sendActive();
1720				}
1721			}
1722		}
1723		Log.d(Config.LOGTAG, "app switched into foreground");
1724	}
1725
1726	private void switchToBackground() {
1727		for (Account account : getAccounts()) {
1728			if (account.getStatus() == Account.State.ONLINE) {
1729				XmppConnection connection = account.getXmppConnection();
1730				if (connection != null) {
1731					if (connection.getFeatures().csi()) {
1732						connection.sendInactive();
1733					}
1734					if (Config.CLOSE_TCP_WHEN_SWITCHING_TO_BACKGROUND && mPushManagementService.available(account)) {
1735						connection.waitForPush();
1736						cancelWakeUpCall(account.getUuid().hashCode());
1737					}
1738				}
1739			}
1740		}
1741		this.mNotificationService.setIsInForeground(false);
1742		Log.d(Config.LOGTAG, "app switched into background");
1743	}
1744
1745	private void connectMultiModeConversations(Account account) {
1746		List<Conversation> conversations = getConversations();
1747		for (Conversation conversation : conversations) {
1748			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
1749				joinMuc(conversation, true, null);
1750			}
1751		}
1752	}
1753
1754	public void joinMuc(Conversation conversation) {
1755		joinMuc(conversation, false, null);
1756	}
1757
1758	private void joinMuc(Conversation conversation, boolean now, final OnConferenceJoined onConferenceJoined) {
1759		Account account = conversation.getAccount();
1760		account.pendingConferenceJoins.remove(conversation);
1761		account.pendingConferenceLeaves.remove(conversation);
1762		if (account.getStatus() == Account.State.ONLINE || now) {
1763			conversation.resetMucOptions();
1764			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
1765
1766				private void join(Conversation conversation) {
1767					Account account = conversation.getAccount();
1768					final String nick = conversation.getMucOptions().getProposedNick();
1769					final Jid joinJid = conversation.getMucOptions().createJoinJid(nick);
1770					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
1771					PresencePacket packet = new PresencePacket();
1772					packet.setFrom(conversation.getAccount().getJid());
1773					packet.setTo(joinJid);
1774					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
1775					if (conversation.getMucOptions().getPassword() != null) {
1776						x.addChild("password").setContent(conversation.getMucOptions().getPassword());
1777					}
1778
1779					if (conversation.getMucOptions().mamSupport()) {
1780						// Use MAM instead of the limited muc history to get history
1781						x.addChild("history").setAttribute("maxchars", "0");
1782					} else {
1783						// Fallback to muc history
1784						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
1785					}
1786					String sig = account.getPgpSignature();
1787					if (sig != null) {
1788						packet.addChild("x", "jabber:x:signed").setContent(sig);
1789					}
1790					sendPresencePacket(account, packet);
1791					if (onConferenceJoined != null) {
1792						onConferenceJoined.onConferenceJoined(conversation);
1793					}
1794					if (!joinJid.equals(conversation.getJid())) {
1795						conversation.setContactJid(joinJid);
1796						databaseBackend.updateConversation(conversation);
1797					}
1798					conversation.setHasMessagesLeftOnServer(false);
1799					if (conversation.getMucOptions().mamSupport()) {
1800						getMessageArchiveService().catchupMUC(conversation);
1801					}
1802					sendUnsentMessages(conversation);
1803				}
1804
1805				@Override
1806				public void onConferenceConfigurationFetched(Conversation conversation) {
1807					join(conversation);
1808				}
1809
1810				@Override
1811				public void onFetchFailed(final Conversation conversation, Element error) {
1812					join(conversation);
1813					fetchConferenceConfiguration(conversation);
1814				}
1815			});
1816
1817		} else {
1818			account.pendingConferenceJoins.add(conversation);
1819		}
1820	}
1821
1822	public void providePasswordForMuc(Conversation conversation, String password) {
1823		if (conversation.getMode() == Conversation.MODE_MULTI) {
1824			conversation.getMucOptions().setPassword(password);
1825			if (conversation.getBookmark() != null) {
1826				if (respectAutojoin()) {
1827					conversation.getBookmark().setAutojoin(true);
1828				}
1829				pushBookmarks(conversation.getAccount());
1830			}
1831			databaseBackend.updateConversation(conversation);
1832			joinMuc(conversation);
1833		}
1834	}
1835
1836	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
1837		final MucOptions options = conversation.getMucOptions();
1838		final Jid joinJid = options.createJoinJid(nick);
1839		if (options.online()) {
1840			Account account = conversation.getAccount();
1841			options.setOnRenameListener(new OnRenameListener() {
1842
1843				@Override
1844				public void onSuccess() {
1845					conversation.setContactJid(joinJid);
1846					databaseBackend.updateConversation(conversation);
1847					Bookmark bookmark = conversation.getBookmark();
1848					if (bookmark != null) {
1849						bookmark.setNick(nick);
1850						pushBookmarks(bookmark.getAccount());
1851					}
1852					callback.success(conversation);
1853				}
1854
1855				@Override
1856				public void onFailure() {
1857					callback.error(R.string.nick_in_use, conversation);
1858				}
1859			});
1860
1861			PresencePacket packet = new PresencePacket();
1862			packet.setTo(joinJid);
1863			packet.setFrom(conversation.getAccount().getJid());
1864
1865			String sig = account.getPgpSignature();
1866			if (sig != null) {
1867				packet.addChild("status").setContent("online");
1868				packet.addChild("x", "jabber:x:signed").setContent(sig);
1869			}
1870			sendPresencePacket(account, packet);
1871		} else {
1872			conversation.setContactJid(joinJid);
1873			databaseBackend.updateConversation(conversation);
1874			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1875				Bookmark bookmark = conversation.getBookmark();
1876				if (bookmark != null) {
1877					bookmark.setNick(nick);
1878					pushBookmarks(bookmark.getAccount());
1879				}
1880				joinMuc(conversation);
1881			}
1882		}
1883	}
1884
1885	public void leaveMuc(Conversation conversation) {
1886		leaveMuc(conversation, false);
1887	}
1888
1889	private void leaveMuc(Conversation conversation, boolean now) {
1890		Account account = conversation.getAccount();
1891		account.pendingConferenceJoins.remove(conversation);
1892		account.pendingConferenceLeaves.remove(conversation);
1893		if (account.getStatus() == Account.State.ONLINE || now) {
1894			PresencePacket packet = new PresencePacket();
1895			packet.setTo(conversation.getJid());
1896			packet.setFrom(conversation.getAccount().getJid());
1897			packet.setAttribute("type", "unavailable");
1898			sendPresencePacket(conversation.getAccount(), packet);
1899			conversation.getMucOptions().setOffline();
1900			conversation.deregisterWithBookmark();
1901			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
1902					+ ": leaving muc " + conversation.getJid());
1903		} else {
1904			account.pendingConferenceLeaves.add(conversation);
1905		}
1906	}
1907
1908	private String findConferenceServer(final Account account) {
1909		String server;
1910		if (account.getXmppConnection() != null) {
1911			server = account.getXmppConnection().getMucServer();
1912			if (server != null) {
1913				return server;
1914			}
1915		}
1916		for (Account other : getAccounts()) {
1917			if (other != account && other.getXmppConnection() != null) {
1918				server = other.getXmppConnection().getMucServer();
1919				if (server != null) {
1920					return server;
1921				}
1922			}
1923		}
1924		return null;
1925	}
1926
1927	public void createAdhocConference(final Account account, final Iterable<Jid> jids, final UiCallback<Conversation> callback) {
1928		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
1929		if (account.getStatus() == Account.State.ONLINE) {
1930			try {
1931				String server = findConferenceServer(account);
1932				if (server == null) {
1933					if (callback != null) {
1934						callback.error(R.string.no_conference_server_found, null);
1935					}
1936					return;
1937				}
1938				String name = new BigInteger(75, getRNG()).toString(32);
1939				Jid jid = Jid.fromParts(name, server, null);
1940				final Conversation conversation = findOrCreateConversation(account, jid, true);
1941				joinMuc(conversation, true, new OnConferenceJoined() {
1942					@Override
1943					public void onConferenceJoined(final Conversation conversation) {
1944						Bundle options = new Bundle();
1945						options.putString("muc#roomconfig_persistentroom", "1");
1946						options.putString("muc#roomconfig_membersonly", "1");
1947						options.putString("muc#roomconfig_publicroom", "0");
1948						options.putString("muc#roomconfig_whois", "anyone");
1949						pushConferenceConfiguration(conversation, options, new OnConferenceOptionsPushed() {
1950							@Override
1951							public void onPushSucceeded() {
1952								for (Jid invite : jids) {
1953									invite(conversation, invite);
1954								}
1955								if (account.countPresences() > 1) {
1956									directInvite(conversation, account.getJid().toBareJid());
1957								}
1958								if (callback != null) {
1959									callback.success(conversation);
1960								}
1961							}
1962
1963							@Override
1964							public void onPushFailed() {
1965								if (callback != null) {
1966									callback.error(R.string.conference_creation_failed, conversation);
1967								}
1968							}
1969						});
1970					}
1971				});
1972			} catch (InvalidJidException e) {
1973				if (callback != null) {
1974					callback.error(R.string.conference_creation_failed, null);
1975				}
1976			}
1977		} else {
1978			if (callback != null) {
1979				callback.error(R.string.not_connected_try_again, null);
1980			}
1981		}
1982	}
1983
1984	public void fetchConferenceConfiguration(final Conversation conversation) {
1985		fetchConferenceConfiguration(conversation, null);
1986	}
1987
1988	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
1989		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1990		request.setTo(conversation.getJid().toBareJid());
1991		request.query("http://jabber.org/protocol/disco#info");
1992		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1993			@Override
1994			public void onIqPacketReceived(Account account, IqPacket packet) {
1995				if (packet.getType() == IqPacket.TYPE.RESULT) {
1996					ArrayList<String> features = new ArrayList<>();
1997					Element query = packet.query();
1998					for (Element child : query.getChildren()) {
1999						if (child != null && child.getName().equals("feature")) {
2000							String var = child.getAttribute("var");
2001							if (var != null) {
2002								features.add(var);
2003							}
2004						}
2005					}
2006					Element form = query.findChild("x", "jabber:x:data");
2007					if (form != null) {
2008						conversation.getMucOptions().updateFormData(Data.parse(form));
2009					}
2010					conversation.getMucOptions().updateFeatures(features);
2011					if (callback != null) {
2012						callback.onConferenceConfigurationFetched(conversation);
2013					}
2014					updateConversationUi();
2015				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2016					if (callback != null) {
2017						callback.onFetchFailed(conversation, packet.getError());
2018					}
2019				}
2020			}
2021		});
2022	}
2023
2024	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2025		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2026		request.setTo(conversation.getJid().toBareJid());
2027		request.query("http://jabber.org/protocol/muc#owner");
2028		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2029			@Override
2030			public void onIqPacketReceived(Account account, IqPacket packet) {
2031				if (packet.getType() == IqPacket.TYPE.RESULT) {
2032					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2033					for (Field field : data.getFields()) {
2034						if (options.containsKey(field.getFieldName())) {
2035							field.setValue(options.getString(field.getFieldName()));
2036						}
2037					}
2038					data.submit();
2039					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2040					set.setTo(conversation.getJid().toBareJid());
2041					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2042					sendIqPacket(account, set, new OnIqPacketReceived() {
2043						@Override
2044						public void onIqPacketReceived(Account account, IqPacket packet) {
2045							if (callback != null) {
2046								if (packet.getType() == IqPacket.TYPE.RESULT) {
2047									callback.onPushSucceeded();
2048								} else {
2049									callback.onPushFailed();
2050								}
2051							}
2052						}
2053					});
2054				} else {
2055					if (callback != null) {
2056						callback.onPushFailed();
2057					}
2058				}
2059			}
2060		});
2061	}
2062
2063	public void pushSubjectToConference(final Conversation conference, final String subject) {
2064		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2065		this.sendMessagePacket(conference.getAccount(), packet);
2066		final MucOptions mucOptions = conference.getMucOptions();
2067		final MucOptions.User self = mucOptions.getSelf();
2068		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2069			Bundle options = new Bundle();
2070			options.putString("muc#roomconfig_persistentroom", "1");
2071			this.pushConferenceConfiguration(conference, options, null);
2072		}
2073	}
2074
2075	public void changeAffiliationInConference(final Conversation conference, Jid user, MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2076		final Jid jid = user.toBareJid();
2077		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2078		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2079			@Override
2080			public void onIqPacketReceived(Account account, IqPacket packet) {
2081				if (packet.getType() == IqPacket.TYPE.RESULT) {
2082					callback.onAffiliationChangedSuccessful(jid);
2083				} else {
2084					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2085				}
2086			}
2087		});
2088	}
2089
2090	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2091		List<Jid> jids = new ArrayList<>();
2092		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2093			if (user.getAffiliation() == before && user.getJid() != null) {
2094				jids.add(user.getJid());
2095			}
2096		}
2097		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2098		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2099	}
2100
2101	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2102		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2103		Log.d(Config.LOGTAG, request.toString());
2104		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2105			@Override
2106			public void onIqPacketReceived(Account account, IqPacket packet) {
2107				Log.d(Config.LOGTAG, packet.toString());
2108				if (packet.getType() == IqPacket.TYPE.RESULT) {
2109					callback.onRoleChangedSuccessful(nick);
2110				} else {
2111					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2112				}
2113			}
2114		});
2115	}
2116
2117	private void disconnect(Account account, boolean force) {
2118		if ((account.getStatus() == Account.State.ONLINE)
2119				|| (account.getStatus() == Account.State.DISABLED)) {
2120			if (!force) {
2121				List<Conversation> conversations = getConversations();
2122				for (Conversation conversation : conversations) {
2123					if (conversation.getAccount() == account) {
2124						if (conversation.getMode() == Conversation.MODE_MULTI) {
2125							leaveMuc(conversation, true);
2126						} else {
2127							if (conversation.endOtrIfNeeded()) {
2128								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2129										+ ": ended otr session with "
2130										+ conversation.getJid());
2131							}
2132						}
2133					}
2134				}
2135				sendOfflinePresence(account);
2136			}
2137			account.getXmppConnection().disconnect(force);
2138		}
2139	}
2140
2141	@Override
2142	public IBinder onBind(Intent intent) {
2143		return mBinder;
2144	}
2145
2146	public void updateMessage(Message message) {
2147		databaseBackend.updateMessage(message);
2148		updateConversationUi();
2149	}
2150
2151	protected void syncDirtyContacts(Account account) {
2152		for (Contact contact : account.getRoster().getContacts()) {
2153			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2154				pushContactToServer(contact);
2155			}
2156			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2157				deleteContactOnServer(contact);
2158			}
2159		}
2160	}
2161
2162	public void createContact(Contact contact) {
2163		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2164		if (autoGrant) {
2165			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2166			contact.setOption(Contact.Options.ASKING);
2167		}
2168		pushContactToServer(contact);
2169	}
2170
2171	public void onOtrSessionEstablished(Conversation conversation) {
2172		final Account account = conversation.getAccount();
2173		final Session otrSession = conversation.getOtrSession();
2174		Log.d(Config.LOGTAG,
2175				account.getJid().toBareJid() + " otr session established with "
2176						+ conversation.getJid() + "/"
2177						+ otrSession.getSessionID().getUserID());
2178		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2179
2180			@Override
2181			public void onMessageFound(Message message) {
2182				SessionID id = otrSession.getSessionID();
2183				try {
2184					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2185				} catch (InvalidJidException e) {
2186					return;
2187				}
2188				if (message.needsUploading()) {
2189					mJingleConnectionManager.createNewConnection(message);
2190				} else {
2191					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2192					if (outPacket != null) {
2193						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2194						message.setStatus(Message.STATUS_SEND);
2195						databaseBackend.updateMessage(message);
2196						sendMessagePacket(account, outPacket);
2197					}
2198				}
2199				updateConversationUi();
2200			}
2201		});
2202	}
2203
2204	public boolean renewSymmetricKey(Conversation conversation) {
2205		Account account = conversation.getAccount();
2206		byte[] symmetricKey = new byte[32];
2207		this.mRandom.nextBytes(symmetricKey);
2208		Session otrSession = conversation.getOtrSession();
2209		if (otrSession != null) {
2210			MessagePacket packet = new MessagePacket();
2211			packet.setType(MessagePacket.TYPE_CHAT);
2212			packet.setFrom(account.getJid());
2213			MessageGenerator.addMessageHints(packet);
2214			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2215					+ otrSession.getSessionID().getUserID());
2216			try {
2217				packet.setBody(otrSession
2218						.transformSending(CryptoHelper.FILETRANSFER
2219								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2220				sendMessagePacket(account, packet);
2221				conversation.setSymmetricKey(symmetricKey);
2222				return true;
2223			} catch (OtrException e) {
2224				return false;
2225			}
2226		}
2227		return false;
2228	}
2229
2230	public void pushContactToServer(final Contact contact) {
2231		contact.resetOption(Contact.Options.DIRTY_DELETE);
2232		contact.setOption(Contact.Options.DIRTY_PUSH);
2233		final Account account = contact.getAccount();
2234		if (account.getStatus() == Account.State.ONLINE) {
2235			final boolean ask = contact.getOption(Contact.Options.ASKING);
2236			final boolean sendUpdates = contact
2237					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2238					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2239			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2240			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2241			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2242			if (sendUpdates) {
2243				sendPresencePacket(account,
2244						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2245			}
2246			if (ask) {
2247				sendPresencePacket(account,
2248						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2249			}
2250		}
2251	}
2252
2253	public void publishAvatar(final Account account,
2254							  final Uri image,
2255							  final UiCallback<Avatar> callback) {
2256		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2257		final int size = Config.AVATAR_SIZE;
2258		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2259		if (avatar != null) {
2260			avatar.height = size;
2261			avatar.width = size;
2262			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2263				avatar.type = "image/webp";
2264			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2265				avatar.type = "image/jpeg";
2266			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2267				avatar.type = "image/png";
2268			}
2269			if (!getFileBackend().save(avatar)) {
2270				callback.error(R.string.error_saving_avatar, avatar);
2271				return;
2272			}
2273			final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2274			this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2275
2276				@Override
2277				public void onIqPacketReceived(Account account, IqPacket result) {
2278					if (result.getType() == IqPacket.TYPE.RESULT) {
2279						final IqPacket packet = XmppConnectionService.this.mIqGenerator
2280								.publishAvatarMetadata(avatar);
2281						sendIqPacket(account, packet, new OnIqPacketReceived() {
2282							@Override
2283							public void onIqPacketReceived(Account account, IqPacket result) {
2284								if (result.getType() == IqPacket.TYPE.RESULT) {
2285									if (account.setAvatar(avatar.getFilename())) {
2286										getAvatarService().clear(account);
2287										databaseBackend.updateAccount(account);
2288									}
2289									callback.success(avatar);
2290								} else {
2291									callback.error(
2292											R.string.error_publish_avatar_server_reject,
2293											avatar);
2294								}
2295							}
2296						});
2297					} else {
2298						callback.error(
2299								R.string.error_publish_avatar_server_reject,
2300								avatar);
2301					}
2302				}
2303			});
2304		} else {
2305			callback.error(R.string.error_publish_avatar_converting, null);
2306		}
2307	}
2308
2309	public void fetchAvatar(Account account, Avatar avatar) {
2310		fetchAvatar(account, avatar, null);
2311	}
2312
2313	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2314		final String KEY = generateFetchKey(account, avatar);
2315		synchronized (this.mInProgressAvatarFetches) {
2316			if (this.mInProgressAvatarFetches.contains(KEY)) {
2317				return;
2318			} else {
2319				switch (avatar.origin) {
2320					case PEP:
2321						this.mInProgressAvatarFetches.add(KEY);
2322						fetchAvatarPep(account, avatar, callback);
2323						break;
2324					case VCARD:
2325						this.mInProgressAvatarFetches.add(KEY);
2326						fetchAvatarVcard(account, avatar, callback);
2327						break;
2328				}
2329			}
2330		}
2331	}
2332
2333	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2334		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2335		sendIqPacket(account, packet, new OnIqPacketReceived() {
2336
2337			@Override
2338			public void onIqPacketReceived(Account account, IqPacket result) {
2339				synchronized (mInProgressAvatarFetches) {
2340					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2341				}
2342				final String ERROR = account.getJid().toBareJid()
2343						+ ": fetching avatar for " + avatar.owner + " failed ";
2344				if (result.getType() == IqPacket.TYPE.RESULT) {
2345					avatar.image = mIqParser.avatarData(result);
2346					if (avatar.image != null) {
2347						if (getFileBackend().save(avatar)) {
2348							if (account.getJid().toBareJid().equals(avatar.owner)) {
2349								if (account.setAvatar(avatar.getFilename())) {
2350									databaseBackend.updateAccount(account);
2351								}
2352								getAvatarService().clear(account);
2353								updateConversationUi();
2354								updateAccountUi();
2355							} else {
2356								Contact contact = account.getRoster()
2357										.getContact(avatar.owner);
2358								contact.setAvatar(avatar);
2359								getAvatarService().clear(contact);
2360								updateConversationUi();
2361								updateRosterUi();
2362							}
2363							if (callback != null) {
2364								callback.success(avatar);
2365							}
2366							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2367									+ ": succesfuly fetched pep avatar for " + avatar.owner);
2368							return;
2369						}
2370					} else {
2371
2372						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2373					}
2374				} else {
2375					Element error = result.findChild("error");
2376					if (error == null) {
2377						Log.d(Config.LOGTAG, ERROR + "(server error)");
2378					} else {
2379						Log.d(Config.LOGTAG, ERROR + error.toString());
2380					}
2381				}
2382				if (callback != null) {
2383					callback.error(0, null);
2384				}
2385
2386			}
2387		});
2388	}
2389
2390	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2391		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2392		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2393			@Override
2394			public void onIqPacketReceived(Account account, IqPacket packet) {
2395				synchronized (mInProgressAvatarFetches) {
2396					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2397				}
2398				if (packet.getType() == IqPacket.TYPE.RESULT) {
2399					Element vCard = packet.findChild("vCard", "vcard-temp");
2400					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2401					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2402					if (image != null) {
2403						avatar.image = image;
2404						if (getFileBackend().save(avatar)) {
2405							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2406									+ ": successfully fetched vCard avatar for " + avatar.owner);
2407							if (avatar.owner.isBareJid()) {
2408								Contact contact = account.getRoster()
2409										.getContact(avatar.owner);
2410								contact.setAvatar(avatar);
2411								getAvatarService().clear(contact);
2412								updateConversationUi();
2413								updateRosterUi();
2414							} else {
2415								Conversation conversation = find(account, avatar.owner.toBareJid());
2416								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2417									MucOptions.User user = conversation.getMucOptions().findUser(avatar.owner.getResourcepart());
2418									if (user != null) {
2419										if (user.setAvatar(avatar)) {
2420											getAvatarService().clear(user);
2421											updateConversationUi();
2422											updateMucRosterUi();
2423										}
2424									}
2425								}
2426							}
2427						}
2428					}
2429				}
2430			}
2431		});
2432	}
2433
2434	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2435		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2436		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2437
2438			@Override
2439			public void onIqPacketReceived(Account account, IqPacket packet) {
2440				if (packet.getType() == IqPacket.TYPE.RESULT) {
2441					Element pubsub = packet.findChild("pubsub",
2442							"http://jabber.org/protocol/pubsub");
2443					if (pubsub != null) {
2444						Element items = pubsub.findChild("items");
2445						if (items != null) {
2446							Avatar avatar = Avatar.parseMetadata(items);
2447							if (avatar != null) {
2448								avatar.owner = account.getJid().toBareJid();
2449								if (fileBackend.isAvatarCached(avatar)) {
2450									if (account.setAvatar(avatar.getFilename())) {
2451										databaseBackend.updateAccount(account);
2452									}
2453									getAvatarService().clear(account);
2454									callback.success(avatar);
2455								} else {
2456									fetchAvatarPep(account, avatar, callback);
2457								}
2458								return;
2459							}
2460						}
2461					}
2462				}
2463				callback.error(0, null);
2464			}
2465		});
2466	}
2467
2468	public void deleteContactOnServer(Contact contact) {
2469		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2470		contact.resetOption(Contact.Options.DIRTY_PUSH);
2471		contact.setOption(Contact.Options.DIRTY_DELETE);
2472		Account account = contact.getAccount();
2473		if (account.getStatus() == Account.State.ONLINE) {
2474			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2475			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2476			item.setAttribute("jid", contact.getJid().toString());
2477			item.setAttribute("subscription", "remove");
2478			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2479		}
2480	}
2481
2482	public void updateConversation(Conversation conversation) {
2483		this.databaseBackend.updateConversation(conversation);
2484	}
2485
2486	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2487		synchronized (account) {
2488			XmppConnection connection = account.getXmppConnection();
2489			if (connection != null) {
2490				disconnect(account, force);
2491			} else {
2492				connection = createConnection(account);
2493				account.setXmppConnection(connection);
2494			}
2495			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2496				synchronized (this.mInProgressAvatarFetches) {
2497					for (Iterator<String> iterator = this.mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
2498						final String KEY = iterator.next();
2499						if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
2500							iterator.remove();
2501						}
2502					}
2503				}
2504				if (!force) {
2505					try {
2506						Log.d(Config.LOGTAG, "wait for disconnect");
2507						Thread.sleep(500); //sleep  wait for disconnect
2508					} catch (InterruptedException e) {
2509						//ignored
2510					}
2511				}
2512				Thread thread = new Thread(connection);
2513				connection.setInteractive(interactive);
2514				thread.start();
2515				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2516			} else {
2517				account.getRoster().clearPresences();
2518				connection.resetEverything();
2519			}
2520		}
2521	}
2522
2523	public void reconnectAccountInBackground(final Account account) {
2524		new Thread(new Runnable() {
2525			@Override
2526			public void run() {
2527				reconnectAccount(account, false, true);
2528			}
2529		}).start();
2530	}
2531
2532	public void invite(Conversation conversation, Jid contact) {
2533		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2534		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2535		sendMessagePacket(conversation.getAccount(), packet);
2536	}
2537
2538	public void directInvite(Conversation conversation, Jid jid) {
2539		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2540		sendMessagePacket(conversation.getAccount(), packet);
2541	}
2542
2543	public void resetSendingToWaiting(Account account) {
2544		for (Conversation conversation : getConversations()) {
2545			if (conversation.getAccount() == account) {
2546				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2547
2548					@Override
2549					public void onMessageFound(Message message) {
2550						markMessage(message, Message.STATUS_WAITING);
2551					}
2552				});
2553			}
2554		}
2555	}
2556
2557	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2558		if (uuid == null) {
2559			return null;
2560		}
2561		for (Conversation conversation : getConversations()) {
2562			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2563				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2564				if (message != null) {
2565					markMessage(message, status);
2566				}
2567				return message;
2568			}
2569		}
2570		return null;
2571	}
2572
2573	public boolean markMessage(Conversation conversation, String uuid, int status) {
2574		if (uuid == null) {
2575			return false;
2576		} else {
2577			Message message = conversation.findSentMessageWithUuid(uuid);
2578			if (message != null) {
2579				markMessage(message, status);
2580				return true;
2581			} else {
2582				return false;
2583			}
2584		}
2585	}
2586
2587	public void markMessage(Message message, int status) {
2588		if (status == Message.STATUS_SEND_FAILED
2589				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2590				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2591			return;
2592		}
2593		message.setStatus(status);
2594		databaseBackend.updateMessage(message);
2595		updateConversationUi();
2596	}
2597
2598	public SharedPreferences getPreferences() {
2599		return PreferenceManager
2600				.getDefaultSharedPreferences(getApplicationContext());
2601	}
2602
2603	public boolean confirmMessages() {
2604		return getPreferences().getBoolean("confirm_messages", true);
2605	}
2606
2607	public boolean sendChatStates() {
2608		return getPreferences().getBoolean("chat_states", false);
2609	}
2610
2611	public boolean saveEncryptedMessages() {
2612		return !getPreferences().getBoolean("dont_save_encrypted", false);
2613	}
2614
2615	private boolean respectAutojoin() {
2616		return getPreferences().getBoolean("autojoin", true);
2617	}
2618
2619	public boolean indicateReceived() {
2620		return getPreferences().getBoolean("indicate_received", false);
2621	}
2622
2623	public boolean useTorToConnect() {
2624		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
2625	}
2626
2627	public boolean showExtendedConnectionOptions() {
2628		return getPreferences().getBoolean("show_connection_options", false);
2629	}
2630
2631	public int unreadCount() {
2632		int count = 0;
2633		for (Conversation conversation : getConversations()) {
2634			count += conversation.unreadCount();
2635		}
2636		return count;
2637	}
2638
2639
2640	public void showErrorToastInUi(int resId) {
2641		if (mOnShowErrorToast != null) {
2642			mOnShowErrorToast.onShowErrorToast(resId);
2643		}
2644	}
2645
2646	public void updateConversationUi() {
2647		if (mOnConversationUpdate != null) {
2648			mOnConversationUpdate.onConversationUpdate();
2649		}
2650	}
2651
2652	public void updateAccountUi() {
2653		if (mOnAccountUpdate != null) {
2654			mOnAccountUpdate.onAccountUpdate();
2655		}
2656	}
2657
2658	public void updateRosterUi() {
2659		if (mOnRosterUpdate != null) {
2660			mOnRosterUpdate.onRosterUpdate();
2661		}
2662	}
2663
2664	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
2665		boolean rc = false;
2666		if (mOnCaptchaRequested != null) {
2667			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
2668			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
2669					(int) (captcha.getHeight() * metrics.scaledDensity), false);
2670
2671			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
2672			rc = true;
2673		}
2674
2675		return rc;
2676	}
2677
2678	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
2679		if (mOnUpdateBlocklist != null) {
2680			mOnUpdateBlocklist.OnUpdateBlocklist(status);
2681		}
2682	}
2683
2684	public void updateMucRosterUi() {
2685		if (mOnMucRosterUpdate != null) {
2686			mOnMucRosterUpdate.onMucRosterUpdate();
2687		}
2688	}
2689
2690	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
2691		if (mOnKeyStatusUpdated != null) {
2692			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
2693		}
2694	}
2695
2696	public Account findAccountByJid(final Jid accountJid) {
2697		for (Account account : this.accounts) {
2698			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
2699				return account;
2700			}
2701		}
2702		return null;
2703	}
2704
2705	public Conversation findConversationByUuid(String uuid) {
2706		for (Conversation conversation : getConversations()) {
2707			if (conversation.getUuid().equals(uuid)) {
2708				return conversation;
2709			}
2710		}
2711		return null;
2712	}
2713
2714	public void markRead(final Conversation conversation) {
2715		mNotificationService.clear(conversation);
2716		final List<Message> readMessages = conversation.markRead();
2717		if (readMessages.size() > 0) {
2718			Runnable runnable = new Runnable() {
2719				@Override
2720				public void run() {
2721					for (Message message : readMessages) {
2722						databaseBackend.updateMessage(message);
2723					}
2724				}
2725			};
2726			mDatabaseExecutor.execute(runnable);
2727		}
2728		updateUnreadCountBadge();
2729	}
2730
2731	public synchronized void updateUnreadCountBadge() {
2732		int count = unreadCount();
2733		if (unreadCount != count) {
2734			Log.d(Config.LOGTAG, "update unread count to " + count);
2735			if (count > 0) {
2736				ShortcutBadger.with(getApplicationContext()).count(count);
2737			} else {
2738				ShortcutBadger.with(getApplicationContext()).remove();
2739			}
2740			unreadCount = count;
2741		}
2742	}
2743
2744	public void sendReadMarker(final Conversation conversation) {
2745		final Message markable = conversation.getLatestMarkableMessage();
2746		this.markRead(conversation);
2747		if (confirmMessages() && markable != null && markable.getRemoteMsgId() != null) {
2748			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
2749			Account account = conversation.getAccount();
2750			final Jid to = markable.getCounterpart();
2751			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
2752			this.sendMessagePacket(conversation.getAccount(), packet);
2753		}
2754		updateConversationUi();
2755	}
2756
2757	public SecureRandom getRNG() {
2758		return this.mRandom;
2759	}
2760
2761	public MemorizingTrustManager getMemorizingTrustManager() {
2762		return this.mMemorizingTrustManager;
2763	}
2764
2765	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
2766		this.mMemorizingTrustManager = trustManager;
2767	}
2768
2769	public void updateMemorizingTrustmanager() {
2770		final MemorizingTrustManager tm;
2771		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
2772		if (dontTrustSystemCAs) {
2773			tm = new MemorizingTrustManager(getApplicationContext(), null);
2774		} else {
2775			tm = new MemorizingTrustManager(getApplicationContext());
2776		}
2777		setMemorizingTrustManager(tm);
2778	}
2779
2780	public PowerManager getPowerManager() {
2781		return this.pm;
2782	}
2783
2784	public LruCache<String, Bitmap> getBitmapCache() {
2785		return this.mBitmapCache;
2786	}
2787
2788	public void syncRosterToDisk(final Account account) {
2789		Runnable runnable = new Runnable() {
2790
2791			@Override
2792			public void run() {
2793				databaseBackend.writeRoster(account.getRoster());
2794			}
2795		};
2796		mDatabaseExecutor.execute(runnable);
2797
2798	}
2799
2800	public List<String> getKnownHosts() {
2801		final List<String> hosts = new ArrayList<>();
2802		for (final Account account : getAccounts()) {
2803			if (!hosts.contains(account.getServer().toString())) {
2804				hosts.add(account.getServer().toString());
2805			}
2806			for (final Contact contact : account.getRoster().getContacts()) {
2807				if (contact.showInRoster()) {
2808					final String server = contact.getServer().toString();
2809					if (server != null && !hosts.contains(server)) {
2810						hosts.add(server);
2811					}
2812				}
2813			}
2814		}
2815		return hosts;
2816	}
2817
2818	public List<String> getKnownConferenceHosts() {
2819		final ArrayList<String> mucServers = new ArrayList<>();
2820		for (final Account account : accounts) {
2821			if (account.getXmppConnection() != null) {
2822				final String server = account.getXmppConnection().getMucServer();
2823				if (server != null && !mucServers.contains(server)) {
2824					mucServers.add(server);
2825				}
2826			}
2827		}
2828		return mucServers;
2829	}
2830
2831	public void sendMessagePacket(Account account, MessagePacket packet) {
2832		XmppConnection connection = account.getXmppConnection();
2833		if (connection != null) {
2834			connection.sendMessagePacket(packet);
2835		}
2836	}
2837
2838	public void sendPresencePacket(Account account, PresencePacket packet) {
2839		XmppConnection connection = account.getXmppConnection();
2840		if (connection != null) {
2841			connection.sendPresencePacket(packet);
2842		}
2843	}
2844
2845	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
2846		XmppConnection connection = account.getXmppConnection();
2847		if (connection != null) {
2848			connection.sendCaptchaRegistryRequest(id, data);
2849		}
2850	}
2851
2852	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
2853		final XmppConnection connection = account.getXmppConnection();
2854		if (connection != null) {
2855			connection.sendIqPacket(packet, callback);
2856		}
2857	}
2858
2859	public void sendPresence(final Account account) {
2860		sendPresencePacket(account, mPresenceGenerator.selfPresence(account, getTargetPresence()));
2861	}
2862
2863	public void refreshAllPresences() {
2864		for (Account account : getAccounts()) {
2865			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2866				sendPresence(account);
2867			}
2868		}
2869	}
2870
2871	private void refreshAllGcmTokens() {
2872		for(Account account : getAccounts()) {
2873			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
2874				mPushManagementService.registerPushTokenOnServer(account);
2875			}
2876		}
2877	}
2878
2879	public void sendOfflinePresence(final Account account) {
2880		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
2881	}
2882
2883	public MessageGenerator getMessageGenerator() {
2884		return this.mMessageGenerator;
2885	}
2886
2887	public PresenceGenerator getPresenceGenerator() {
2888		return this.mPresenceGenerator;
2889	}
2890
2891	public IqGenerator getIqGenerator() {
2892		return this.mIqGenerator;
2893	}
2894
2895	public IqParser getIqParser() {
2896		return this.mIqParser;
2897	}
2898
2899	public JingleConnectionManager getJingleConnectionManager() {
2900		return this.mJingleConnectionManager;
2901	}
2902
2903	public MessageArchiveService getMessageArchiveService() {
2904		return this.mMessageArchiveService;
2905	}
2906
2907	public List<Contact> findContacts(Jid jid) {
2908		ArrayList<Contact> contacts = new ArrayList<>();
2909		for (Account account : getAccounts()) {
2910			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2911				Contact contact = account.getRoster().getContactFromRoster(jid);
2912				if (contact != null) {
2913					contacts.add(contact);
2914				}
2915			}
2916		}
2917		return contacts;
2918	}
2919
2920	public NotificationService getNotificationService() {
2921		return this.mNotificationService;
2922	}
2923
2924	public HttpConnectionManager getHttpConnectionManager() {
2925		return this.mHttpConnectionManager;
2926	}
2927
2928	public void resendFailedMessages(final Message message) {
2929		final Collection<Message> messages = new ArrayList<>();
2930		Message current = message;
2931		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
2932			messages.add(current);
2933			if (current.mergeable(current.next())) {
2934				current = current.next();
2935			} else {
2936				break;
2937			}
2938		}
2939		for (final Message msg : messages) {
2940			msg.setTime(System.currentTimeMillis());
2941			markMessage(msg, Message.STATUS_WAITING);
2942			this.resendMessage(msg, false);
2943		}
2944	}
2945
2946	public void clearConversationHistory(final Conversation conversation) {
2947		conversation.clearMessages();
2948		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
2949		conversation.setLastClearHistory(System.currentTimeMillis());
2950		Runnable runnable = new Runnable() {
2951			@Override
2952			public void run() {
2953				databaseBackend.deleteMessagesInConversation(conversation);
2954			}
2955		};
2956		mDatabaseExecutor.execute(runnable);
2957	}
2958
2959	public void sendBlockRequest(final Blockable blockable) {
2960		if (blockable != null && blockable.getBlockedJid() != null) {
2961			final Jid jid = blockable.getBlockedJid();
2962			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid), new OnIqPacketReceived() {
2963
2964				@Override
2965				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2966					if (packet.getType() == IqPacket.TYPE.RESULT) {
2967						account.getBlocklist().add(jid);
2968						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
2969					}
2970				}
2971			});
2972		}
2973	}
2974
2975	public void sendUnblockRequest(final Blockable blockable) {
2976		if (blockable != null && blockable.getJid() != null) {
2977			final Jid jid = blockable.getBlockedJid();
2978			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
2979				@Override
2980				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2981					if (packet.getType() == IqPacket.TYPE.RESULT) {
2982						account.getBlocklist().remove(jid);
2983						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
2984					}
2985				}
2986			});
2987		}
2988	}
2989
2990	public void publishDisplayName(Account account) {
2991		String displayName = account.getDisplayName();
2992		if (displayName != null && !displayName.isEmpty()) {
2993			IqPacket publish = mIqGenerator.publishNick(displayName);
2994			sendIqPacket(account, publish, new OnIqPacketReceived() {
2995				@Override
2996				public void onIqPacketReceived(Account account, IqPacket packet) {
2997					if (packet.getType() == IqPacket.TYPE.ERROR) {
2998						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
2999					}
3000				}
3001			});
3002		}
3003	}
3004
3005	private ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String,String> key) {
3006		ServiceDiscoveryResult result = discoCache.get(key);
3007		if (result != null) {
3008			return result;
3009		} else {
3010			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3011			if (result != null) {
3012				discoCache.put(key, result);
3013			}
3014			return result;
3015		}
3016	}
3017
3018	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3019		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
3020		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3021		if (disco != null) {
3022			presence.setServiceDiscoveryResult(disco);
3023		} else {
3024			if (!account.inProgressDiscoFetches.contains(key)) {
3025				account.inProgressDiscoFetches.add(key);
3026				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3027				request.setTo(jid);
3028				request.query("http://jabber.org/protocol/disco#info");
3029				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
3030				sendIqPacket(account, request, new OnIqPacketReceived() {
3031					@Override
3032					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3033						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3034							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3035							if (presence.getVer().equals(disco.getVer())) {
3036								databaseBackend.insertDiscoveryResult(disco);
3037								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3038							} else {
3039								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco.getVer());
3040							}
3041						}
3042						account.inProgressDiscoFetches.remove(key);
3043					}
3044				});
3045			}
3046		}
3047	}
3048
3049	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3050		for(Contact contact : roster.getContacts()) {
3051			for(Presence presence : contact.getPresences().getPresences().values()) {
3052				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3053					presence.setServiceDiscoveryResult(disco);
3054				}
3055			}
3056		}
3057	}
3058
3059	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3060		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3061		request.addChild("prefs","urn:xmpp:mam:0");
3062		sendIqPacket(account, request, new OnIqPacketReceived() {
3063			@Override
3064			public void onIqPacketReceived(Account account, IqPacket packet) {
3065				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3066				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3067					callback.onPreferencesFetched(prefs);
3068				} else {
3069					callback.onPreferencesFetchFailed();
3070				}
3071			}
3072		});
3073	}
3074
3075	public PushManagementService getPushManagementService() {
3076		return mPushManagementService;
3077	}
3078
3079	public interface OnMamPreferencesFetched {
3080		void onPreferencesFetched(Element prefs);
3081		void onPreferencesFetchFailed();
3082	}
3083
3084	public void pushMamPreferences(Account account, Element prefs) {
3085		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3086		set.addChild(prefs);
3087		sendIqPacket(account, set, null);
3088	}
3089
3090	public interface OnAccountCreated {
3091		void onAccountCreated(Account account);
3092
3093		void informUser(int r);
3094	}
3095
3096	public interface OnMoreMessagesLoaded {
3097		void onMoreMessagesLoaded(int count, Conversation conversation);
3098
3099		void informUser(int r);
3100	}
3101
3102	public interface OnAccountPasswordChanged {
3103		void onPasswordChangeSucceeded();
3104
3105		void onPasswordChangeFailed();
3106	}
3107
3108	public interface OnAffiliationChanged {
3109		void onAffiliationChangedSuccessful(Jid jid);
3110
3111		void onAffiliationChangeFailed(Jid jid, int resId);
3112	}
3113
3114	public interface OnRoleChanged {
3115		void onRoleChangedSuccessful(String nick);
3116
3117		void onRoleChangeFailed(String nick, int resid);
3118	}
3119
3120	public interface OnConversationUpdate {
3121		void onConversationUpdate();
3122	}
3123
3124	public interface OnAccountUpdate {
3125		void onAccountUpdate();
3126	}
3127
3128	public interface OnCaptchaRequested {
3129		void onCaptchaRequested(Account account,
3130								String id,
3131								Data data,
3132								Bitmap captcha);
3133	}
3134
3135	public interface OnRosterUpdate {
3136		void onRosterUpdate();
3137	}
3138
3139	public interface OnMucRosterUpdate {
3140		void onMucRosterUpdate();
3141	}
3142
3143	public interface OnConferenceConfigurationFetched {
3144		void onConferenceConfigurationFetched(Conversation conversation);
3145
3146		void onFetchFailed(Conversation conversation, Element error);
3147	}
3148
3149	public interface OnConferenceJoined {
3150		void onConferenceJoined(Conversation conversation);
3151	}
3152
3153	public interface OnConferenceOptionsPushed {
3154		void onPushSucceeded();
3155
3156		void onPushFailed();
3157	}
3158
3159	public interface OnShowErrorToast {
3160		void onShowErrorToast(int resId);
3161	}
3162
3163	public class XmppConnectionBinder extends Binder {
3164		public XmppConnectionService getService() {
3165			return XmppConnectionService.this;
3166		}
3167	}
3168}