diff -r 7c332c71ff22 instantbird/app/profile/all-instantbird.js
--- a/instantbird/app/profile/all-instantbird.js	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/app/profile/all-instantbird.js	Wed Aug 24 02:08:26 2011 +0200
@@ -46,6 +46,7 @@
 
 pref("messenger.conversations.openInTabs", true);
 pref("messenger.conversations.useSeparateWindowsForMUCs", false);
+pref("messenger.conversations.alwaysClose", true);
 
 pref("messenger.conversations.selections.magicCopyEnabled", true);
 pref("messenger.conversations.selections.ellipsis", "chrome://instantbird/locale/instantbird.properties");
diff -r 7c332c71ff22 instantbird/content/blist.css
--- a/instantbird/content/blist.css	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/content/blist.css	Wed Aug 24 02:08:26 2011 +0200
@@ -147,3 +147,16 @@
 contact[cansend][selected] .startChatBubble {
   display: -moz-box;
 }
+
+conv {
+  -moz-binding: url("chrome://instantbird/content/conv.xml#conv");
+  -moz-box-align: center;
+}
+
+.convUnreadCount[value="0"] {
+  display: none;
+}
+
+#buddyListMsg[listedConvCount="0"] > .listboxHeader {
+  display: none;
+}
diff -r 7c332c71ff22 instantbird/content/blist.js
--- a/instantbird/content/blist.js	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/content/blist.js	Wed Aug 24 02:08:26 2011 +0200
@@ -40,9 +40,11 @@
 const events = ["contact-availability-changed",
                 "contact-added",
                 "contact-tag-added",
+                "showing-ui-conversation",
                 "status-changed",
                 "tag-hidden",
                 "tag-shown",
+                "ui-conversation-hidden",
                 "user-display-name-changed",
                 "user-icon-changed",
                 "purple-quit"];
@@ -350,6 +352,20 @@
       return;
     }
 
+    if (aTopic == "ui-conversation-hidden") {
+      let convElt = document.createElement("conv");
+      this.convBox.appendChild(convElt);
+      convElt.build(aSubject);
+      this._updateListConvCount();
+      return;
+    }
+    else if (aTopic == "showing-ui-conversation") {
+      if (this.convBox.listedConvs.hasOwnProperty(aSubject.id))
+        this.convBox.listedConvs[aSubject.id].removeNode();
+      this._updateListConvCount();
+      return;
+    }
+
     // aSubject is an imIContact
     if (aSubject.online || this._showOffline) {
       aSubject.getTags().forEach(function (aTag) {
@@ -361,6 +377,11 @@
     }
   },
 
+  _updateListConvCount: function() {
+    let count = Object.keys(this.convBox.listedConvs).length;
+    this.convBox.parentNode.setAttribute("listedConvCount", count);
+  },
+
   displayUserIcon: function bl_displayUserIcon() {
     let icon = Services.core.getUserIcon();
     document.getElementById("userIcon").src = icon ? icon.spec : "";
@@ -641,6 +662,21 @@
       buddyList.showOtherContacts();
     blistBox.focus();
 
+    buddyList.convBox = document.getElementById("convlistbox");
+    buddyList.convBox.listedConvs = {};
+    let convs = Services.conversations.getUIConversations();
+    if (convs.hasMoreElements()) {
+      if (!("Conversations" in window))
+        Components.utils.import("resource:///modules/imWindows.jsm");
+      for (let conv in getIter(convs)) {
+        if (Conversations.isUIConversationDisplayed(conv)) {
+          let convElt = document.createElement("conv");
+          buddyList.convBox.appendChild(convElt);
+          convElt.build(conv);
+        }
+      }
+      buddyList._updateListConvCount();
+    }
     prefBranch.addObserver(showOfflineBuddiesPref, buddyList, false);
     addObservers(buddyList, events);
 
diff -r 7c332c71ff22 instantbird/content/blist.xul
--- a/instantbird/content/blist.xul	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/content/blist.xul	Wed Aug 24 02:08:26 2011 +0200
@@ -168,7 +168,10 @@
     </toolbar>
   </toolbox>
 
-  <notificationbox id="buddyListMsg" flex="1">
+  <notificationbox id="buddyListMsg" flex="1" listedConvCount="0">
+    <label value="Hidden Conversations" class="listboxHeader"/>
+    <richlistbox id="convlistbox"/>
+    <label value="Contacts" class="listboxHeader"/>
     <richlistbox id="buddylistbox" flex="1"
                  onkeypress="buddyList.keyPress(event);"
                  context="buddyListContextMenu"
diff -r 7c332c71ff22 instantbird/content/conv.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/instantbird/content/conv.xml	Wed Aug 24 02:08:26 2011 +0200
@@ -0,0 +1,178 @@
+<?xml version="1.0"?>
+<!-- ***** BEGIN LICENSE BLOCK *****
+   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
+   -
+   - The contents of this file are subject to the Mozilla Public License Version
+   - 1.1 (the "License"); you may not use this file except in compliance with
+   - the License. You may obtain a copy of the License at
+   - http://www.mozilla.org/MPL/
+   -
+   - Software distributed under the License is distributed on an "AS IS" basis,
+   - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+   - for the specific language governing rights and limitations under the
+   - License.
+   -
+   - The Original Code is the Instantbird messenging client, released
+   - 2007.
+   -
+   - The Initial Developer of the Original Code is
+   - Florian QUEZE <florian@instantbird.org>.
+   - Portions created by the Initial Developer are Copyright (C) 2007
+   - the Initial Developer. All Rights Reserved.
+   -
+   - Contributor(s):
+   -
+   - Alternatively, the contents of this file may be used under the terms of
+   - either the GNU General Public License Version 2 or later (the "GPL"), or
+   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+   - in which case the provisions of the GPL or the LGPL are applicable instead
+   - of those above. If you wish to allow use of your version of this file only
+   - under the terms of either the GPL or the LGPL, and not to allow others to
+   - use your version of this file under the terms of the MPL, indicate your
+   - decision by deleting the provisions above and replace them with the notice
+   - and other provisions required by the GPL or the LGPL. If you do not delete
+   - the provisions above, a recipient may use your version of this file under
+   - the terms of any one of the MPL, the GPL or the LGPL.
+   -
+   - ***** END LICENSE BLOCK ***** -->
+
+<!DOCTYPE bindings [
+  <!ENTITY % instantbirdDTD SYSTEM "chrome://instantbird/locale/instantbird.dtd" >
+  %instantbirdDTD;
+]>
+
+<bindings id="convBindings"
+          xmlns="http://www.mozilla.org/xbl"
+          xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+          xmlns:xbl="http://www.mozilla.org/xbl"
+          xmlns:html="http://www.w3.org/1999/xhtml">
+
+  <binding id="conv" extends="chrome://global/content/bindings/richlistbox.xml#richlistitem">
+    <content>
+      <xul:stack class="prplBuddyIcon" mousethrough="always">
+        <xul:image xbl:inherits="src=iconPrpl" class="protoIcon"/>
+        <xul:image class="statusIcon"/>
+      </xul:stack>
+      <xul:hbox flex="1" class="conv-hbox" mousethrough="always">
+        <xul:label crop="end" flex="1" mousethrough="always"
+                   anonid="displayname" class="convDisplayName"
+                   xbl:inherits="value=displayname"/>
+        <xul:label crop="end" mousethrough="always"
+                   anonid="unreadCount" class="convUnreadCount"
+                   xbl:inherits="value=unreadCount"/>
+      </xul:hbox>
+    </content>
+    <implementation implements="nsIObserver">
+
+     <destructor>
+      <![CDATA[
+        if (this.conv) {
+          this.conv.removeObserver(this);
+          delete this.conv;
+        }
+      ]]>
+     </destructor>
+
+     <method name="build">
+      <parameter name="aConv"/>
+      <body>
+      <![CDATA[
+        this.conv = aConv;
+        this.parentNode.listedConvs[this.conv.id] = this;
+        this.conv.addObserver(this);
+        this.update();
+      ]]>
+      </body>
+     </method>
+
+     <property name="displayName"
+               onget="return this.conv.title;"/>
+
+     <!-- nsIObserver implementation -->
+     <method name="observe">
+       <parameter name="aSubject"/>
+       <parameter name="aTopic"/>
+       <parameter name="aData"/>
+       <body>
+       <![CDATA[
+         if (aTopic == "target-purple-conversation-changed" ||
+             aTopic == "unread-message-count-changed" ||
+             aTopic == "update-conv-title" ||
+             aTopic == "update-buddy-status" ||
+             aTopic == "update-buddy-status" ||
+             aTopic == "update-conv-chatleft")
+           this.update();
+         else if (aTopic == "ui-conversation-closed")
+           this.removeNode();
+       ]]>
+       </body>
+     </method>
+
+     <method name="update">
+      <body>
+      <![CDATA[
+        this.setAttribute("displayname", this.displayName);
+        this.setAttribute("unreadCount", this.conv.unreadMessageCount);
+        this.setAttribute("iconPrpl",
+                          this.conv.account.protocol.iconBaseURI + "icon.png");
+      ]]>
+      </body>
+     </method>
+
+     <method name="removeNode">
+      <body>
+      <![CDATA[
+        this.conv.removeObserver(this);
+	delete this.parentNode.listedConvs[this.conv.id];
+        this.parentNode.removeChild(this);
+        delete this.conv;
+      ]]>
+      </body>
+     </method>
+
+     <method name="openConversation">
+      <body>
+       <![CDATA[
+         if (!("Conversations" in window))
+           Components.utils.import("resource:///modules/imWindows.jsm");
+         Conversations.showConversation(this.conv);
+       ]]>
+      </body>
+     </method>
+
+     <method name="keyPress">
+      <parameter name="aEvent"/>
+      <body>this._keyPress(aEvent);</body>
+     </method>
+     <method name="_keyPress">
+      <parameter name="aEvent"/>
+      <body>
+      <![CDATA[
+        switch (aEvent.keyCode) {
+          // If Enter or Return is pressed, open a new conversation
+          case aEvent.DOM_VK_RETURN:
+          case aEvent.DOM_VK_ENTER:
+            this.openConversation();
+            break;
+        }
+      ]]>
+      </body>
+     </method>
+    </implementation>
+    <handlers>
+     <handler event="mousedown">
+       <![CDATA[
+         if (event.originalTarget.getAttribute("anonid") == "unreadCount")
+           openConversation();
+       ]]>
+     </handler>
+
+     <handler event="click">
+       <![CDATA[
+         if (event.detail == 2)
+           openConversation();
+       ]]>
+     </handler>
+    </handlers>
+  </binding>
+</bindings>
diff -r 7c332c71ff22 instantbird/content/conversation.xml
--- a/instantbird/content/conversation.xml	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/content/conversation.xml	Wed Aug 24 02:08:26 2011 +0200
@@ -125,10 +125,8 @@
      <method name="destroy">
        <body>
          <![CDATA[
-           if (this._conv) {
-             this._conv.close();
+           if (this._conv)
              this._forgetConv();
-           }
 
            if ("MessageFormat" in window) {
              let textbox = this.editor;
@@ -158,21 +156,19 @@
            this.editor.value = aConversation.editor.value;
            this.browser.browserResize();
            this.updateTyping();
+           this.loaded = true;
            this.observe(this.browser, "conversation-loaded", null);
          ]]>
        </body>
      </method>
 
      <field name="loaded">false</field>
-     <field name="messageQueue">[]</field>
 
-     <method name="_emptyMessageQueue">
+     <method name="_showFirstMessages">
       <body>
       <![CDATA[
         this.loaded = true;
-        for each(var m in this.messageQueue)
-          this._addMsg(m);
-        this.messageQueue = null;
+        this._conv.getMessages().forEach(this.addMsg.bind(this));
       ]]>
       </body>
      </method>
@@ -181,36 +177,13 @@
      <field name="_statusTextEnd">""</field>
      <field name="_statusTextEndIsError">false</field>
 
-     <!-- This is used when we want to remove close the conversation binding
-     without closing the associated PurpleConversation.
-     For example when quitting the application, we don't want to close the
-     conversation. -->
-     <method name="unInit">
-      <body>
-      <![CDATA[
-        this._conv.removeObserver(this);
-        Conversations.unregisterConversation(this);
-        this._conv = null;
-      ]]>
-      </body>
-     </method>
-
      <method name="addMsg">
       <parameter name="aMsg"/>
       <body>
       <![CDATA[
-        if (this.loaded)
-          this._addMsg(aMsg);
-        else
-          this.messageQueue.push(aMsg);
-      ]]>
-      </body>
-     </method>
+        if (!this.loaded)
+          throw "Calling addMsg before the browser is ready?";
 
-     <method name="_addMsg">
-      <parameter name="aMsg"/>
-      <body>
-      <![CDATA[
         var conv = aMsg.conversation;
         if (!conv) {
           // The conversation has already been destroyed,
@@ -236,12 +209,15 @@
           window.getAttention();
 
         this.browser.appendMessage(aMsg);
-        if (this.tab && aMsg.incoming && !aMsg.system &&
-            (!this.tab.selected || !document.hasFocus())) {
-          if (conv.isChat && aMsg.containsNick)
-            this.tab.setAttribute("attention", "true");
-          else
-            this.tab.setAttribute("unread", "true");
+        if (this.tab && aMsg.incoming && !aMsg.system) {
+          if (this.tab.selected && document.hasFocus())
+            this._conv.markAsRead();
+          else {
+            if (conv.isChat && aMsg.containsNick)
+              this.tab.setAttribute("attention", "true");
+            else
+              this.tab.setAttribute("unread", "true");
+          }
         }
       ]]>
       </body>
@@ -881,6 +857,7 @@
          this.editor.focus();
          this.tab.removeAttribute("unread");
          this.tab.removeAttribute("attention");
+         this._conv.markAsRead();
          this.displayStatusText();
        ]]>
        </body>
@@ -1072,7 +1049,8 @@
 
            // Display all queued messages. Use a timeout so that message text
            // modifiers can be added with observers for this notification.
-           setTimeout(function(aSelf) { aSelf._emptyMessageQueue(); }, 0, this);
+           if (!this.loaded)
+             setTimeout(this._showFirstMessages.bind(this), 0);
 
            Services.obs.removeObserver(this, "conversation-loaded");
            return;
@@ -1080,7 +1058,8 @@
 
          switch(aTopic) {
          case "new-text":
-           this.addMsg(aSubject);
+           if (this.loaded)
+             this.addMsg(aSubject);
            break;
 
          case "update-typing":
diff -r 7c332c71ff22 instantbird/content/jar.mn
--- a/instantbird/content/jar.mn	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/content/jar.mn	Wed Aug 24 02:08:26 2011 +0200
@@ -23,6 +23,7 @@
 *	content/instantbird/conversation.xml
 	content/instantbird/convbrowser.xml
 	content/instantbird/conv.html
+	content/instantbird/conv.xml
 *	content/instantbird/credits.xhtml
 *	content/instantbird/engineManager.js
 *	content/instantbird/engineManager.xul
diff -r 7c332c71ff22 instantbird/modules/imWindows.jsm
--- a/instantbird/modules/imWindows.jsm	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/modules/imWindows.jsm	Wed Aug 24 02:08:26 2011 +0200
@@ -83,12 +83,17 @@
     if (index != -1)
       this._conversations.splice(index, 1);
 
-    if (this._uiConv[aConversation.conv.id] == aConversation)
-      delete this._uiConv[aConversation.conv.id];
+    let uiConv = aConversation.conv;
+    if (this._uiConv[uiConv.id] == aConversation) {
+      delete this._uiConv[uiConv.id];
+      if (!uiConv.checkClose())
+        Services.obs.notifyObservers(uiConv, "ui-conversation-hidden", null);
+    }
   },
 
   isConversationWindowFocused: function()
     this._windows.length > 0 && this._windows[0].document.hasFocus(),
+  isUIConversationDisplayed: function(aUIConv) aUIConv in this._uiConv,
   focusConversation: function(aConv) {
     let uiConv = Services.conversations.getUIConversation(aConv);
     uiConv.target = aConv;
@@ -146,25 +151,32 @@
     if (aTopic != "new-ui-conversation")
       return;
 
-    let conv = aSubject;
-    if (!(aSubject.id in this._uiConv)) {
+    // TODO: let addons customize this behavior.
+    this.showConversation(aSubject);
+  },
+
+  showConversation: function(aConv) {
+    if (!(aConv.id in this._uiConv)) {
+      Services.obs.notifyObservers(aConv, "showing-ui-conversation", null);
       // The conversation is not displayed anywhere yet.
       // First, check if an existing conversation window can accept it.
       for each (let win in this._windows)
-        if (win.document.getElementById("conversations").addConversation(aSubject))
+        if (win.document.getElementById("conversations").addConversation(aConv))
           return;
 
       // At this point, no existing registered window can accept the conversation.
       if (this._pendingConversations) {
         // If we are already creating a window, append the notification.
-        this._pendingConversations.push(aSubject);
+        this._pendingConversations.push(aConv);
       }
       else {
         // We need to create a new window.
-        this._pendingConversations = [aSubject];
+        this._pendingConversations = [aConv];
         Services.ww.openWindow(null, CONVERSATION_WINDOW_URI, "_blank",
                                "chrome,toolbar,resizable", null);
       }
     }
+    else
+      this.focusConversation(aConv.target);
   }
 };
diff -r 7c332c71ff22 instantbird/themes/blist.css
--- a/instantbird/themes/blist.css	Sat Aug 20 00:04:41 2011 +0200
+++ b/instantbird/themes/blist.css	Wed Aug 24 02:08:26 2011 +0200
@@ -41,6 +41,19 @@
   -moz-appearance: none;
 }
 
+.listboxHeader {
+  -moz-appearance: treeheadercell;
+  margin: 0 0;
+}
+
+.convUnreadCount {
+  background-color:red;
+  padding: 0 7px;
+  border-radius: 50px;
+  color: white;
+  font-weight:bold;
+}
+
 contact,
 group {
   padding: 0 2px;
@@ -89,6 +102,7 @@
 
 .contactDisplayName,
 .contactStatusText,
+.convDisplayName,
 .buddyDisplayName,
 .buddyStatusText {
   margin: 0;
@@ -98,7 +112,8 @@
   -moz-margin-start: 2px;
 }
 
-.contact-hbox {
+.contact-hbox,
+.conv-hbox {
   margin: 2px 0;
   -moz-margin-start: 2px;
   min-height: 16px;
diff -r 7c332c71ff22 purple/purplexpcom/public/imIConversationsService.idl
--- a/purple/purplexpcom/public/imIConversationsService.idl	Sat Aug 20 00:04:41 2011 +0200
+++ b/purple/purplexpcom/public/imIConversationsService.idl	Wed Aug 24 02:08:26 2011 +0200
@@ -38,6 +38,8 @@
 #include "purpleIConversation.idl"
 #include "imIContactsService.idl"
 
+interface purpleIMessage;
+
 [scriptable, uuid(a09faf46-bb9d-402f-b460-89f8d7827ff1)]
 interface imIConversation: purpleIConversation {
   // Will be null for MUCs and IMs from people not in the contacts list.
@@ -48,6 +50,22 @@
   void systemMessage(in AUTF8String aMessage);
 
   attribute purpleIConversation target;
+
+  // Number of unread incoming messages.
+  readonly attribute PRUint32 unreadMessageCount;
+  // Reset unreadMessageCount.
+  void markAsRead();
+
+  // Call this to give the core an opportunity to close an inactive
+  // conversation.  If the conversation is a left MUC or an IM
+  // conversation without unread message, the implementation will call
+  // close().
+  // The returned value indicates if the conversation was closed.
+  boolean checkClose();
+
+  // Get an array of all messages of the conversation.
+  void getMessages([optional] out unsigned long messageCount,
+                   [retval, array, size_is(messageCount)] out purpleIMessage messages);
 };
 
 [scriptable, uuid(984e182c-d395-4fba-ba6e-cc80c71f57bf)]
@@ -60,6 +78,7 @@
   void addConversation(in purpleIConversation aConversation);
   void removeConversation(in purpleIConversation aConversation);
 
+  nsISimpleEnumerator getUIConversations();
   imIConversation getUIConversation(in purpleIConversation aConversation);
   imIConversation getUIConversationByContactId(in long aId);
 
diff -r 7c332c71ff22 purple/purplexpcom/src/imConversations.js
--- a/purple/purplexpcom/src/imConversations.js	Sat Aug 20 00:04:41 2011 +0200
+++ b/purple/purplexpcom/src/imConversations.js	Wed Aug 24 02:08:26 2011 +0200
@@ -53,7 +53,7 @@
   this._purpleConv = {};
   this.id = ++gLastUIConvId;
   this._observers = [];
-  this._pendingMessages = [];
+  this._messages = [];
   this.changeTargetTo(aPurpleConversation);
   let iface = Ci["purpleIConv" + (aPurpleConversation.isChat ? "Chat" : "IM")];
   this._interfaces = this._interfaces.concat(iface);
@@ -137,6 +137,37 @@
     return true;
   },
 
+  _unreadMessageCount: 0,
+  get unreadMessageCount() this._unreadMessageCount,
+  markAsRead: function() {
+    delete this._unreadMessageCount;
+    this._notifyUnreadCountChanged();
+  },
+  _lastNotifiedUnreadCount: 0,
+  _notifyUnreadCountChanged: function() {
+    if (this._unreadMessageCount == this._lastNotifiedUnreadCount)
+      return;
+
+    for each (let observer in this._observers)
+      observer.observe(this, "unread-message-count-changed",
+                       this._unreadMessageCount.toString());
+    this._lastNotifiedUnreadCount = this._unreadMessageCount;
+  },
+  getMessages: function(aMessageCount) {
+    if (aMessageCount)
+      aMessageCount.value = this._messages.length;
+    return this._messages;
+  },
+  checkClose: function() {
+    if (!Services.prefs.getBoolPref("messenger.conversations.alwaysClose") &&
+        (this.isChat && !this.left ||
+         !this.isChat && this.unreadMessageCount != 0))
+      return false;
+
+    this.close();
+    return true;
+  },
+
   observe: function(aSubject, aTopic, aData) {
     if (aTopic == "contact-no-longer-dummy") {
       let oldId = parseInt(aData);
@@ -248,23 +279,25 @@
   close: function() {
     for each (let conv in this._purpleConv)
       conv.close();
+    this.notifyObservers(this, "ui-conversation-closed");
+    Services.obs.notifyObservers(this, "ui-conversation-closed", null);
   },
   addObserver: function(aObserver) {
-    if (this._observers.indexOf(aObserver) == -1) {
+    if (this._observers.indexOf(aObserver) == -1)
       this._observers.push(aObserver);
-      if (this._observers.length == 1)
-        while (this._pendingMessages.length)
-          this.notifyObservers(this._pendingMessages.shift(), "new-text");
-    }
   },
   removeObserver: function(aObserver) {
     this._observers = this._observers.filter(function(o) o !== aObserver);
   },
   notifyObservers: function(aSubject, aTopic, aData) {
+    if (aTopic == "new-text") {
+      this._messages.push(aSubject);
+      if (aSubject.incoming && !aSubject.system)
+        ++this._unreadMessageCount;
+    }
     for each (let observer in this._observers)
       observer.observe(aSubject, aTopic, aData);
-    if (!this._observers.length && aTopic == "new-text")
-      this._pendingMessages.push(aSubject);
+    this._notifyUnreadCountChanged();
   },
 
   // purpleIConvIM
@@ -367,6 +400,9 @@
       this._purpleConversations.filter(function(c) c !== aPurpleConversation);
   },
 
+  getUIConversations: function()
+    new nsSimpleEnumerator(Object.keys(this._uiConv)
+                                 .map(function (k) this._uiConv[k])),
   getUIConversation: function(aPurpleConversation) {
     let id = aPurpleConversation.id;
     if (id in this._uiConv)
@@ -376,7 +412,7 @@
   getUIConversationByContactId: function(aId)
     (aId in this._uiConvByContactId) ? this._uiConvByContactId[aId] : null,
 
-  getConversations: function() nsSimpleEnumerator(this._purpleConversations),
+  getConversations: function() new nsSimpleEnumerator(this._purpleConversations),
   getConversationById: function(aId) {
     for (let i = 0; i < this._purpleConversations.length; ++i)
       if (this._purpleConversations[i].id == aId)