DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (620f6a96cee5)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

this.EXPORTED_SYMBOLS = [
  "GenericAccountPrototype",
  "GenericAccountBuddyPrototype",
  "GenericConvIMPrototype",
  "GenericConvChatPrototype",
  "GenericConvChatBuddyPrototype",
  "GenericConversationPrototype",
  "GenericMessagePrototype",
  "GenericProtocolPrototype",
  "Message",
  "TooltipInfo"
];

var {classes: Cc, interfaces: Ci, results: Cr, utils: Cu} = Components;

Cu.import("resource:///modules/imXPCOMUtils.jsm");
Cu.import("resource:///modules/imServices.jsm");

XPCOMUtils.defineLazyGetter(this, "_", () =>
  l10nHelper("chrome://chat/locale/conversations.properties")
);

var GenericAccountPrototype = {
  __proto__: ClassInfo("prplIAccount", "generic account object"),
  get wrappedJSObject() { return this; },
  _init: function _init(aProtocol, aImAccount) {
    this.protocol = aProtocol;
    this.imAccount = aImAccount;
    initLogModule(aProtocol.id, this);
  },
  observe: function(aSubject, aTopic, aData) {},
  remove: function() { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  unInit: function() { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  connect: function() { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  disconnect: function() { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  createConversation: function(aName) { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  joinChat: function(aComponents) { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  setBool: function(aName, aVal) {},
  setInt: function(aName, aVal) {},
  setString: function(aName, aVal) {},

  get name() { return this.imAccount.name; },
  get connected() { return this.imAccount.connected; },
  get connecting() { return this.imAccount.connecting; },
  get disconnected() { return this.imAccount.disconnected; },
  get disconnecting() { return this.imAccount.disconnecting; },
  _connectionErrorReason: Ci.prplIAccount.NO_ERROR,
  get connectionErrorReason() { return this._connectionErrorReason; },

  /*
   * Convert a socket's nsISSLStatus into a prplIAccount connection error. Store
   * the nsISSLStatus and the connection location on the account so the
   * certificate exception dialog can access the information.
   */
  handleBadCertificate: function(aSocket, aIsSslError) {
    this._connectionTarget = aSocket.host + ":" + aSocket.port;

    if (aIsSslError)
      return Ci.prplIAccount.ERROR_ENCRYPTION_ERROR;

    let sslStatus = this._sslStatus = aSocket.sslStatus;
    if (!sslStatus)
      return Ci.prplIAccount.ERROR_CERT_NOT_PROVIDED;

    if (sslStatus.isUntrusted) {
      if (sslStatus.serverCert &&
          sslStatus.serverCert.isSelfSigned)
        return Ci.prplIAccount.ERROR_CERT_SELF_SIGNED;
      return Ci.prplIAccount.ERROR_CERT_UNTRUSTED;
    }

    if (sslStatus.isNotValidAtThisTime) {
      if (sslStatus.serverCert &&
          sslStatus.serverCert.validity.notBefore < Date.now() * 1000)
        return Ci.prplIAccount.ERROR_CERT_NOT_ACTIVATED;
      return Ci.prplIAccount.ERROR_CERT_EXPIRED;
    }

    if (sslStatus.isDomainMismatch)
      return Ci.prplIAccount.ERROR_CERT_HOSTNAME_MISMATCH;

    // XXX ERROR_CERT_FINGERPRINT_MISMATCH

    return Ci.prplIAccount.ERROR_CERT_OTHER_ERROR;
  },
  _connectionTarget: "",
  get connectionTarget() { return this._connectionTarget; },
  _sslStatus: null,
  get sslStatus() { return this._sslStatus; },

  reportConnected: function() {
    this.imAccount.observe(this, "account-connected", null);
  },
  reportConnecting: function(aConnectionStateMsg) {
    // Delete any leftover errors from the previous connection.
    delete this._connectionTarget;
    delete this._sslStatus;

    if (!this.connecting)
      this.imAccount.observe(this, "account-connecting", null);
    if (aConnectionStateMsg)
      this.imAccount.observe(this, "account-connect-progress", aConnectionStateMsg);
  },
  reportDisconnected: function() {
    this.imAccount.observe(this, "account-disconnected", null);
  },
  reportDisconnecting: function(aConnectionErrorReason, aConnectionErrorMessage) {
    this._connectionErrorReason = aConnectionErrorReason;
    this.imAccount.observe(this, "account-disconnecting", aConnectionErrorMessage);
    this.cancelPendingBuddyRequests();
  },

  // Called when the user adds a new buddy from the UI.
  addBuddy: function(aTag, aName) {
    Services.contacts
            .accountBuddyAdded(new AccountBuddy(this, null, aTag, aName));
  },
  // Called during startup for each of the buddies in the local buddy list.
  loadBuddy: function(aBuddy, aTag) {
   try {
     return new AccountBuddy(this, aBuddy, aTag);
   } catch (x) {
     dump(x + "\n");
     return null;
   }
  },

  _pendingBuddyRequests: null,
  addBuddyRequest: function(aUserName, aGrantCallback, aDenyCallback) {
    if (!this._pendingBuddyRequests)
      this._pendingBuddyRequests = [];
    let buddyRequest = {
      get account() { return this._account.imAccount; },
      get userName() { return aUserName; },
      _account: this,
      // Grant and deny callbacks both receive the auth request object as an
      // argument for further use.
      grant: function() {
        aGrantCallback(this);
        this._remove();
      },
      deny: function() {
        aDenyCallback(this);
        this._remove();
      },
      cancel: function() {
        Services.obs.notifyObservers(this,
                                     "buddy-authorization-request-canceled",
                                     null);
        this._remove();
      },
      _remove: function() {
        this._account.removeBuddyRequest(this);
      },
      QueryInterface: XPCOMUtils.generateQI([Ci.prplIBuddyRequest])
    };
    this._pendingBuddyRequests.push(buddyRequest);
    Services.obs.notifyObservers(buddyRequest, "buddy-authorization-request",
                                 null);
  },
  removeBuddyRequest: function(aRequest) {
    if (!this._pendingBuddyRequests)
      return;

    this._pendingBuddyRequests =
      this._pendingBuddyRequests.filter(r => r !== aRequest);
  },
  cancelPendingBuddyRequests: function() {
    if (!this._pendingBuddyRequests)
      return;

    for (let request of this._pendingBuddyRequests)
      request.cancel();
    delete this._pendingBuddyRequests;
  },

  requestBuddyInfo: function(aBuddyName) {},

  get canJoinChat() { return false; },
  getChatRoomFields: function() {
    if (!this.chatRoomFields)
      return EmptyEnumerator;

    let fields = [];
    for (let fieldName in this.chatRoomFields)
      fields.push(new ChatRoomField(fieldName, this.chatRoomFields[fieldName]));
    return new nsSimpleEnumerator(fields);
  },
  getChatRoomDefaultFieldValues: function(aDefaultChatName) {
    if (!this.chatRoomFields)
      return EmptyEnumerator;

    let defaultFieldValues = [];
    for (let fieldName in this.chatRoomFields)
      defaultFieldValues[fieldName] = this.chatRoomFields[fieldName].default;

    if (aDefaultChatName && "parseDefaultChatName" in this) {
      let parsedDefaultChatName = this.parseDefaultChatName(aDefaultChatName);
      for (let field in parsedDefaultChatName)
        defaultFieldValues[field] = parsedDefaultChatName[field];
    }

    return new ChatRoomFieldValues(defaultFieldValues);
  },
  requestRoomInfo: function(aCallback) { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  getRoomInfo: function(aName) { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  get isRoomInfoStale() { return false; },

  getPref: function (aName, aType) {
    return this.prefs.prefHasUserValue(aName) ?
           this.prefs["get" + aType + "Pref"](aName) :
           this.protocol._getOptionDefault(aName);
  },
  getInt: function(aName) { return this.getPref(aName, "Int"); },
  getBool: function(aName) { return this.getPref(aName, "Bool"); },
  getString: function(aName) {
    return this.prefs.prefHasUserValue(aName) ?
             this.prefs.getComplexValue(aName, Ci.nsISupportsString).data :
             this.protocol._getOptionDefault(aName);
  },

  get prefs() {
    return this._prefs ||
           (this._prefs = Services.prefs.getBranch("messenger.account." +
                                                   this.imAccount.id + ".options."));
  },

  get normalizedName() { return this.normalize(this.name); },
  normalize: function(aName) { return aName.toLowerCase(); },

  get proxyInfo() { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },
  set proxyInfo(val) { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },

  get HTMLEnabled() { return false; },
  get HTMLEscapePlainText() { return false; },
  get noBackgroundColors() { return true; },
  get autoResponses() { return false; },
  get singleFormatting() { return false; },
  get noFontSizes() { return false; },
  get noUrlDesc() { return false; },
  get noImages() { return true; }
};


var GenericAccountBuddyPrototype = {
  __proto__: ClassInfo("prplIAccountBuddy", "generic account buddy object"),
  get DEBUG() { return this._account.DEBUG; },
  get LOG() { return this._account.LOG; },
  get WARN() { return this._account.WARN; },
  get ERROR() { return this._account.ERROR; },

  _init: function(aAccount, aBuddy, aTag, aUserName) {
    if (!aBuddy && !aUserName)
      throw "aUserName is required when aBuddy is null";

    this._tag = aTag;
    this._account = aAccount;
    this._buddy = aBuddy;
    if (aBuddy) {
      let displayName = aBuddy.displayName;
      if (displayName != aUserName)
        this._serverAlias = displayName;
    }
    this._userName = aUserName;
  },
  unInit: function() {
    delete this._tag;
    delete this._account;
    delete this._buddy;
  },

  get account() { return this._account.imAccount; },
  set buddy(aBuddy) {
    if (this._buddy)
      throw Cr.NS_ERROR_ALREADY_INITIALIZED;
    this._buddy = aBuddy;
  },
  get buddy() { return this._buddy; },
  get tag() { return this._tag; },
  set tag(aNewTag) {
    let oldTag = this._tag;
    this._tag = aNewTag;
    Services.contacts.accountBuddyMoved(this, oldTag, aNewTag);
  },

  _notifyObservers: function(aTopic, aData) {
    try {
      this._buddy.observe(this, "account-buddy-" + aTopic, aData);
    } catch(e) {
      this.ERROR(e);
    }
  },

  _userName: "",
  get userName() { return this._userName || this._buddy.userName; },
  get normalizedName() { return this._account.normalize(this.userName); },
  _serverAlias: "",
  get serverAlias() { return this._serverAlias; },
  set serverAlias(aNewAlias) {
    let old = this.displayName;
    this._serverAlias = aNewAlias;
    if (old != this.displayName)
      this._notifyObservers("display-name-changed", old);
  },

  remove: function() {
    Services.contacts.accountBuddyRemoved(this);
  },

  // imIStatusInfo implementation
  get displayName() { return this.serverAlias || this.userName; },
  _buddyIconFileName: "",
  get buddyIconFilename() { return this._buddyIconFileName; },
  set buddyIconFilename(aNewFileName) {
    this._buddyIconFileName = aNewFileName;
    this._notifyObservers("icon-changed");
  },
  _statusType: 0,
  get statusType() { return this._statusType; },
  get online() { return this._statusType > Ci.imIStatusInfo.STATUS_OFFLINE; },
  get available() { return this._statusType == Ci.imIStatusInfo.STATUS_AVAILABLE; },
  get idle() { return this._statusType == Ci.imIStatusInfo.STATUS_IDLE; },
  get mobile() { return this._statusType == Ci.imIStatusInfo.STATUS_MOBILE; },
  _statusText: "",
  get statusText() { return this._statusText; },

  // This is for use by the protocol plugin, it's not exposed in the
  // imIStatusInfo interface.
  // All parameters are optional and will be ignored if they are null
  // or undefined.
  setStatus: function(aStatusType, aStatusText, aAvailabilityDetails) {
    // Ignore omitted parameters.
    if (aStatusType === undefined || aStatusType === null)
      aStatusType = this._statusType;
    if (aStatusText === undefined || aStatusText === null)
      aStatusText = this._statusText;
    if (aAvailabilityDetails === undefined || aAvailabilityDetails === null)
      aAvailabilityDetails = this._availabilityDetails;

    // Decide which notifications should be fired.
    let notifications = [];
    if (this._statusType != aStatusType ||
        this._availabilityDetails != aAvailabilityDetails)
      notifications.push("availability-changed");
    if (this._statusType != aStatusType ||
        this._statusText != aStatusText) {
      notifications.push("status-changed");
      if (this.online && aStatusType <= Ci.imIStatusInfo.STATUS_OFFLINE)
        notifications.push("signed-off");
      if (!this.online && aStatusType > Ci.imIStatusInfo.STATUS_OFFLINE)
        notifications.push("signed-on");
    }

    // Actually change the stored status.
    [this._statusType, this._statusText, this._availabilityDetails] =
      [aStatusType, aStatusText, aAvailabilityDetails];

    // Fire the notifications.
    notifications.forEach(function(aTopic) {
      this._notifyObservers(aTopic);
    }, this);
  },

  _availabilityDetails: 0,
  get availabilityDetails() { return this._availabilityDetails; },

  get canSendMessage() { return this.online /*|| this.account.canSendOfflineMessage(this) */; },

  getTooltipInfo: () => EmptyEnumerator,
  createConversation: function() { throw Cr.NS_ERROR_NOT_IMPLEMENTED; }
};

// aUserName is required only if aBuddy is null, i.e., we are adding a buddy.
function AccountBuddy(aAccount, aBuddy, aTag, aUserName) {
  this._init(aAccount, aBuddy, aTag, aUserName);
}
AccountBuddy.prototype = GenericAccountBuddyPrototype;

var GenericMessagePrototype = {
  __proto__: ClassInfo("prplIMessage", "generic message object"),

  _lastId: 0,
  _init: function (aWho, aMessage, aObject) {
    this.id = ++GenericMessagePrototype._lastId;
    this.time = Math.floor(new Date() / 1000);
    this.who = aWho;
    this.message = aMessage;
    this.originalMessage = aMessage;

    if (aObject)
      for (let i in aObject)
        this[i] = aObject[i];
  },
  _alias: "",
  get alias() { return this._alias || this.who; },
  _iconURL: "",
  get iconURL() {
    // If the protocol plugin has explicitly set an icon for the message, use it.
    if (this._iconURL)
      return this._iconURL;

    // Otherwise, attempt to find a buddy for incoming messages, and forward the call.
    if (this.incoming && this._conversation && !this._conversation.isChat) {
      let buddy = this._conversation.buddy;
      if (buddy)
        return buddy.buddyIconFilename;
    }
    return "";
  },
  _conversation: null,
  get conversation() { return this._conversation; },
  set conversation(aConv) {
    this._conversation = aConv;
    aConv.notifyObservers(this, "new-text", null);
  },

  outgoing: false,
  incoming: false,
  system: false,
  autoResponse: false,
  containsNick: false,
  noLog: false,
  error: false,
  delayed: false,
  noFormat: false,
  containsImages: false,
  notification: false,
  noLinkification: false,

  getActions: function(aCount) {
    if (aCount)
      aCount.value = 0;
    return [];
  }
};

function Message(aWho, aMessage, aObject) {
  this._init(aWho, aMessage, aObject);
}
Message.prototype = GenericMessagePrototype;


var GenericConversationPrototype = {
  __proto__: ClassInfo("prplIConversation", "generic conversation object"),
  get wrappedJSObject() { return this; },

  get DEBUG() { return this._account.DEBUG; },
  get LOG() { return this._account.LOG; },
  get WARN() { return this._account.WARN; },
  get ERROR() { return this._account.ERROR; },

  _init: function(aAccount, aName) {
    this._account = aAccount;
    this._name = aName;
    this._observers = [];
    this._date = new Date() * 1000;
    Services.conversations.addConversation(this);
  },

  _id: 0,
  get id() { return this._id; },
  set id(aId) {
    if (this._id)
      throw Cr.NS_ERROR_ALREADY_INITIALIZED;
    this._id = aId;
  },

  addObserver: function(aObserver) {
    if (!this._observers.includes(aObserver))
      this._observers.push(aObserver);
  },
  removeObserver: function(aObserver) {
    this._observers = this._observers.filter(o => o !== aObserver);
  },
  notifyObservers: function(aSubject, aTopic, aData) {
    for (let observer of this._observers) {
      try {
        observer.observe(aSubject, aTopic, aData);
      } catch(e) {
        this.ERROR(e);
      }
    }
  },

  prepareForSending: (aOutgoingMessage, aCount) => null,
  prepareForDisplaying: function(aImMessage) {
    if (aImMessage.displayMessage !== aImMessage.message) {
      this.DEBUG("Preparing:\n" + aImMessage.message + "\nDisplaying:\n" +
                 aImMessage.displayMessage);
    }
  },
  sendMsg: function(aMsg) {
    throw Cr.NS_ERROR_NOT_IMPLEMENTED;
  },
  sendTyping: aString => Ci.prplIConversation.NO_TYPING_LIMIT,

  close: function() {
    Services.obs.notifyObservers(this, "closing-conversation", null);
    Services.conversations.removeConversation(this);
  },
  unInit: function() {
    delete this._account;
    delete this._observers;
  },

  writeMessage: function(aWho, aText, aProperties) {
    (new Message(aWho, aText, aProperties)).conversation = this;
  },

  get account() { return this._account.imAccount; },
  get name() { return this._name; },
  get normalizedName() { return this._account.normalize(this.name); },
  get title() { return this.name; },
  get startDate() { return this._date; }
};

var GenericConvIMPrototype = {
  __proto__: GenericConversationPrototype,
  _interfaces: [Ci.prplIConversation, Ci.prplIConvIM],
  classDescription: "generic ConvIM object",

  updateTyping: function(aState, aName) {
    if (aState == this.typingState)
      return;

    if (aState == Ci.prplIConvIM.NOT_TYPING)
      delete this.typingState;
    else
      this.typingState = aState;
    this.notifyObservers(null, "update-typing", aName);
  },

  get isChat() { return false; },
  buddy: null,
  typingState: Ci.prplIConvIM.NOT_TYPING
};

var GenericConvChatPrototype = {
  __proto__: GenericConversationPrototype,
  _interfaces: [Ci.prplIConversation, Ci.prplIConvChat],
  classDescription: "generic ConvChat object",

  _init: function(aAccount, aName, aNick) {
    this._participants = new Map();
    this.nick = aNick;
    GenericConversationPrototype._init.call(this, aAccount, aName);
  },

  get isChat() { return true; },

  // Stores the prplIChatRoomFieldValues required to join this channel
  // to enable later reconnections. If null, the MUC will not be reconnected
  // automatically after disconnections.
  chatRoomFields: null,

  _topic: "",
  _topicSetter: null,
  get topic() { return this._topic; },
  get topicSettable() { return false; },
  get topicSetter() { return this._topicSetter; },
  setTopic: function(aTopic, aTopicSetter, aQuiet) {
    // Only change the topic if the topic and/or topic setter has changed.
    if (this._topic == aTopic &&
        (!this._topicSetter || this._topicSetter == aTopicSetter))
      return;

    this._topic = aTopic;
    this._topicSetter = aTopicSetter;

    this.notifyObservers(null, "chat-update-topic");

    if (aQuiet)
      return;

    // Send the topic as a message.
    let message;
    if (aTopicSetter) {
      if (aTopic)
        message = _("topicChanged", aTopicSetter, aTopic);
      else
        message = _("topicCleared", aTopicSetter);
    }
    else {
      aTopicSetter = null;
      if (aTopic)
        message = _("topicSet", this.name, aTopic);
      else
        message = _("topicNotSet", this.name);
    }
    this.writeMessage(aTopicSetter, message, {system: true});
  },

  get nick() { return this._nick; },
  set nick(aNick) {
    this._nick = aNick;
    let escapedNick = this._nick.replace(/[[\]{}()*+?.\\^$|]/g, "\\$&");
    this._pingRegexp = new RegExp("(?:^|\\W)" + escapedNick + "(?:\\W|$)", "i");
  },

  _left: false,
  get left() { return this._left; },
  set left(aLeft) {
    if (aLeft == this._left)
      return;
    this._left = aLeft;
    this.notifyObservers(null, "update-conv-chatleft");
  },

  _joining: false,
  get joining() { return this._joining; },
  set joining(aJoining) {
    if (aJoining == this._joining)
      return;
    this._joining = aJoining;
    this.notifyObservers(null, "update-conv-chatjoining");
  },

  getParticipant: function(aName) {
    return this._participants.has(aName) ? this._participants.get(aName) : null;
  },
  getParticipants: function() {
    // Convert the values of the Map into a nsSimpleEnumerator.
    return new nsSimpleEnumerator(
      Array.from(this._participants.values())
    );
  },
  getNormalizedChatBuddyName: aChatBuddyName => aChatBuddyName,

  // Updates the nick of a participant in conversation to a new one.
  updateNick: function(aOldNick, aNewNick, isOwnNick) {
    let message;
    let isParticipant = this._participants.has(aOldNick);
    if (isOwnNick) {
      // If this is the user's nick, change it.
      this.nick = aNewNick;
      message = _("nickSet.you", aNewNick);

      // If the account was disconnected, it's OK the user is not a participant.
      if (!isParticipant)
        return;
    }
    else if (!isParticipant) {
      this.ERROR("Trying to rename nick that doesn't exist! " + aOldNick +
                 " to " + aNewNick);
      return;
    }
    else
      message = _("nickSet", aOldNick, aNewNick);

    // Get the original participant and then remove it.
    let participant = this._participants.get(aOldNick);
    this._participants.delete(aOldNick);

    // Update the nickname and add it under the new nick.
    participant.name = aNewNick;
    this._participants.set(aNewNick, participant);

    this.notifyObservers(participant, "chat-buddy-update", aOldNick);
    this.writeMessage(aOldNick, message, {system: true});
  },

  // Removes a participant from conversation.
  removeParticipant: function(aNick) {
    if (!this._participants.has(aNick))
      return;

    let stringNickname = Cc["@mozilla.org/supports-string;1"]
                           .createInstance(Ci.nsISupportsString);
    stringNickname.data = aNick;
    this.notifyObservers(new nsSimpleEnumerator([stringNickname]),
                         "chat-buddy-remove");
    this._participants.delete(aNick);
  },

  // Removes all participant in conversation.
  removeAllParticipants: function() {
    let stringNicknames = [];
    this._participants.forEach(function(aParticipant) {
      let stringNickname = Cc["@mozilla.org/supports-string;1"]
                              .createInstance(Ci.nsISupportsString);
      stringNickname.data = aParticipant.name;
      stringNicknames.push(stringNickname);
    });
    this.notifyObservers(new nsSimpleEnumerator(stringNicknames),
                         "chat-buddy-remove");
    this._participants.clear();
  },

  writeMessage: function (aWho, aText, aProperties) {
    aProperties.containsNick =
      "incoming" in aProperties && this._pingRegexp.test(aText);
    GenericConversationPrototype.writeMessage.apply(this, arguments);
  }
};

var GenericConvChatBuddyPrototype = {
  __proto__: ClassInfo("prplIConvChatBuddy", "generic ConvChatBuddy object"),

  _name: "",
  get name() { return this._name; },
  set name(aName) { this._name = aName; },
  alias: "",
  buddy: false,
  buddyIconFilename: "",

  get noFlags() {
    return !(this.voiced || this.halfOp || this.op ||
             this.founder || this.typing);
  },
  voiced: false,
  halfOp: false,
  op: false,
  founder: false,
  typing: false
};

function TooltipInfo(aLabel, aValue, aType = Ci.prplITooltipInfo.pair) {
  this.type = aType;
  if (aType == Ci.prplITooltipInfo.status) {
    this.label = aLabel.toString();
    this.value = aValue || "";
  }
  else if (aType == Ci.prplITooltipInfo.icon)
    this.value = aValue;
  else if (aLabel === undefined || aType == Ci.prplITooltipInfo.sectionBreak)
    this.type = Ci.prplITooltipInfo.sectionBreak;
  else {
    this.label = aLabel;
    if (aValue === undefined)
      this.type = Ci.prplITooltipInfo.sectionHeader;
    else
      this.value = aValue;
  }
}
TooltipInfo.prototype = ClassInfo("prplITooltipInfo", "generic tooltip info");

/* aOption is an object containing:
 *  - label: localized text to display (recommended: use a getter with _)
 *  - default: the default value for this option. The type of the
 *      option will be determined based on the type of the default value.
 *      If the default value is a string, the option will be of type
 *      list if listValues has been provided. In that case the default
 *      value should be one of the listed values.
 *  - [optional] listValues: only if this option can only take a list of
 *      predefined values. This is an object of the form:
 *        {value1: localizedLabel, value2: ...}.
 *  - [optional] masked: boolean, if true the UI shouldn't display the value.
 *      This could typically be used for password field.
 *      Warning: The UI currently doesn't support this.
 */
function purplePref(aName, aOption) {
  this.name = aName; // Preference name
  this.label = aOption.label; // Text to display

  if (aOption.default === undefined || aOption.default === null)
    throw "A default value for the option is required to determine its type.";
  this._defaultValue = aOption.default;

  const kTypes = {boolean: "Bool", string: "String", number: "Int"};
  let type = kTypes[typeof aOption.default];
  if (!type)
    throw "Invalid option type";

  if (type == "String" && ("listValues" in aOption)) {
    type = "List";
    this._listValues = aOption.listValues;
  }
  this.type = Ci.prplIPref["type" + type];

  if ("masked" in aOption && aOption.masked)
    this.masked = true;
}
purplePref.prototype = {
  __proto__: ClassInfo("prplIPref", "generic account option preference"),

  masked: false,

  // Default value
  getBool: function() { return this._defaultValue; },
  getInt: function() { return this._defaultValue; },
  getString: function() { return this._defaultValue; },
  getList: function() {
    // Convert a JavaScript object map {"value 1": "label 1", ...}
    let keys = Object.keys(this._listValues);
    if (!keys.length)
      return EmptyEnumerator;

    return new nsSimpleEnumerator(
      keys.map(key => new purpleKeyValuePair(this._listValues[key], key))
    );
  },
  getListDefault: function() { return this._defaultValue; }
};

function purpleKeyValuePair(aName, aValue) {
  this.name = aName;
  this.value = aValue;
}
purpleKeyValuePair.prototype =
  ClassInfo("prplIKeyValuePair", "generic Key Value Pair");

function UsernameSplit(aValues) {
  this._values = aValues;
}
UsernameSplit.prototype = {
  __proto__: ClassInfo("prplIUsernameSplit", "username split object"),

  get label() { return this._values.label; },
  get separator() { return this._values.separator; },
  get defaultValue() { return this._values.defaultValue; },
  get reverse() { return !!this._values.reverse; } // Ensure boolean
};

function ChatRoomField(aIdentifier, aField) {
  this.identifier = aIdentifier;
  this.label = aField.label;
  this.required = !!aField.required;

  let type = "TEXT";
  if ((typeof aField.default) == "number") {
    type = "INT";
    this.min = aField.min;
    this.max = aField.max;
  }
  else if (aField.isPassword)
    type = "PASSWORD";
  this.type = Ci.prplIChatRoomField["TYPE_" + type];
}
ChatRoomField.prototype =
  ClassInfo("prplIChatRoomField", "ChatRoomField object");

function ChatRoomFieldValues(aMap) {
  this.values = aMap;
}
ChatRoomFieldValues.prototype = {
  __proto__: ClassInfo("prplIChatRoomFieldValues", "ChatRoomFieldValues"),

  getValue: function(aIdentifier) {
    return this.values.hasOwnProperty(aIdentifier) ? this.values[aIdentifier] : null;
  },
  setValue: function(aIdentifier, aValue) {
    this.values[aIdentifier] = aValue;
  }
};

// the name getter and the getAccount method need to be implemented by
// protocol plugins.
var GenericProtocolPrototype = {
  __proto__: ClassInfo("prplIProtocol", "Generic protocol object"),

  init: function(aId) {
    if (aId != this.id)
      throw "Creating an instance of " + aId + " but this object implements " + this.id;
  },
  get id() { return "prpl-" + this.normalizedName; },
  // This is more aggressive than the account normalization of just
  // toLowerCase() since prpl names must be only letters/numbers.
  get normalizedName() { return this.name.replace(/[^a-z0-9]/gi, "").toLowerCase(); },
  get iconBaseURI() { return "chrome://chat/skin/prpl-generic/"; },

  getAccount: function(aImAccount) { throw Cr.NS_ERROR_NOT_IMPLEMENTED; },

  _getOptionDefault: function(aName) {
    if (this.options && this.options.hasOwnProperty(aName))
      return this.options[aName].default;
    throw aName + " has no default value in " + this.id + ".";
  },
  getOptions: function() {
    if (!this.options)
      return EmptyEnumerator;

    let purplePrefs = [];
    for (let [name, option] of Object.entries(this.options))
      purplePrefs.push(new purplePref(name, option));
    return new nsSimpleEnumerator(purplePrefs);
  },
  getUsernameSplit: function() {
    if (!this.usernameSplits || !this.usernameSplits.length)
      return EmptyEnumerator;

    return new nsSimpleEnumerator(
      this.usernameSplits.map(split => new UsernameSplit(split)));
  },

  registerCommands: function() {
    if (!this.commands)
      return;

    this.commands.forEach(function(command) {
      if (!command.hasOwnProperty("name") || !command.hasOwnProperty("run"))
        throw "Every command must have a name and a run function.";
      if (!("QueryInterface" in command))
        command.QueryInterface = XPCOMUtils.generateQI([Ci.imICommand]);
      if (!command.hasOwnProperty("usageContext"))
        command.usageContext =