From 32077b1685410b4b5251ca6eade8e6c6a59ecf63 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 13 Mar 2012 05:09:47 -0400
Subject: [PATCH] - Fix js errors (spellcheck-related) when switching editor mode in identity screen

---
 program/js/app.js |  751 +++++++++++++++++++++++++++++++++------------------------
 1 files changed, 438 insertions(+), 313 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index ce0f52f..3b2a148 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -3,9 +3,12 @@
  | Roundcube Webmail Client Script                                       |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
  | Copyright (C) 2011, Kolab Systems AG                                  |
- | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  +-----------------------------------------------------------------------+
  | Authors: Thomas Bruederli <roundcube@gmail.com>                       |
@@ -20,7 +23,7 @@
 
 function rcube_webmail()
 {
-  this.env = {};
+  this.env = { recipients_separator:',', recipients_delimiter:', ' };
   this.labels = {};
   this.buttons = {};
   this.buttons_sel = {};
@@ -30,6 +33,7 @@
   this.command_handlers = {};
   this.onloads = [];
   this.messages = {};
+  this.group2expand = {};
 
   // create protected reference to myself
   this.ref = 'rcmail';
@@ -37,7 +41,7 @@
 
   // webmail client settings
   this.dblclick_time = 500;
-  this.message_time = 2000;
+  this.message_time = 4000;
 
   this.identifier_expr = new RegExp('[^0-9a-z\-_]', 'gi');
 
@@ -128,22 +132,38 @@
   // initialize webmail client
   this.init = function()
   {
-    var p = this;
+    var n, p = this;
     this.task = this.env.task;
 
     // check browser
-    if (!bw.dom || !bw.xmlhttp_test()) {
+    if (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9)) {
       this.goto_url('error', '_code=0x199');
       return;
     }
 
     // find all registered gui containers
-    for (var n in this.gui_containers)
+    for (n in this.gui_containers)
       this.gui_containers[n] = $('#'+this.gui_containers[n]);
 
     // find all registered gui objects
-    for (var n in this.gui_objects)
+    for (n in this.gui_objects)
       this.gui_objects[n] = rcube_find_object(this.gui_objects[n]);
+
+    // clickjacking protection
+    if (this.env.x_frame_options) {
+      try {
+        // bust frame if not allowed
+        if (this.env.x_frame_options == 'deny' && top.location.href != self.location.href)
+          top.location.href = self.location.href;
+        else if (top.location.hostname != self.location.hostname)
+          throw 1;
+      } catch (e) {
+        // possible clickjacking attack: disable all form elements
+        $('form').each(function(){ ref.lock_form(this, true); });
+        this.display_message("Blocked: possible clickjacking attack!", 'error');
+        return;
+      }
+    }
 
     // init registered buttons
     this.init_buttons();
@@ -155,7 +175,7 @@
     }
 
     // enable general commands
-    this.enable_command('logout', 'mail', 'addressbook', 'settings', 'save-pref', 'compose', 'undo', true);
+    this.enable_command('logout', 'mail', 'addressbook', 'settings', 'save-pref', 'compose', 'undo', 'about', true);
 
     if (this.env.permaurl)
       this.enable_command('permaurl', true);
@@ -207,12 +227,13 @@
           'moveto', 'copy', 'delete', 'open', 'mark', 'edit', 'viewsource', 'download',
           'print', 'load-attachment', 'load-headers', 'forward-attachment'];
 
-        if (this.env.action=='show' || this.env.action=='preview') {
+        if (this.env.action == 'show' || this.env.action == 'preview') {
           this.enable_command(this.env.message_commands, this.env.uid);
           this.enable_command('reply-list', this.env.list_post);
 
           if (this.env.action == 'show') {
-            this.http_request('pagenav', '_uid='+this.env.uid+'&_mbox='+urlencode(this.env.mailbox),
+            this.http_request('pagenav', '_uid='+this.env.uid+'&_mbox='+urlencode(this.env.mailbox)
+              + (this.env.search_request ? '&_search='+this.env.search_request : ''),
               this.display_message('', 'loading'));
           }
 
@@ -229,19 +250,20 @@
           }
         }
         else if (this.env.action == 'compose') {
-          this.env.compose_commands = ['send-attachment', 'remove-attachment', 'send', 'cancel', 'toggle-editor'];
+          this.env.compose_commands = ['send-attachment', 'remove-attachment', 'send', 'cancel', 'toggle-editor', 'list-adresses'];
 
           if (this.env.drafts_mailbox)
             this.env.compose_commands.push('savedraft')
 
           this.enable_command(this.env.compose_commands, 'identities', true);
 
+          // add more commands (not enabled)
+          $.merge(this.env.compose_commands, ['add-recipient', 'firstpage', 'previouspage', 'nextpage', 'lastpage']);
+
           if (this.env.spellcheck) {
-            this.env.spellcheck.spelling_state_observer = function(s){ ref.set_spellcheck_state(s); };
+            this.env.spellcheck.spelling_state_observer = function(s) { ref.spellcheck_state(); };
             this.env.compose_commands.push('spellcheck')
-            this.set_spellcheck_state('ready');
-            if ($("input[name='_is_html']").val() == '1')
-              this.display_spellcheck_controls(false);
+            this.enable_command('spellcheck', true);
           }
 
           document.onmouseup = function(e){ return p.doc_mouse_up(e); };
@@ -261,6 +283,20 @@
           this.env.unread_counts = {};
           this.gui_objects.folderlist = this.gui_objects.mailboxlist;
           this.http_request('getunread', '');
+        }
+
+        // init address book widget
+        if (this.gui_objects.contactslist) {
+          this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
+            { multiselect:true, draggable:false, keyboard:false });
+          this.contact_list.addEventListener('select', function(o){ ref.compose_recipient_select(o); });
+          this.contact_list.addEventListener('dblclick', function(o){ ref.compose_add_recipient('to'); });
+          this.contact_list.init();
+        }
+
+        if (this.gui_objects.addressbookslist) {
+          this.gui_objects.folderlist = this.gui_objects.addressbookslist;
+          this.enable_command('list-adresses', true);
         }
 
         // ask user to send MDN
@@ -337,8 +373,11 @@
           this.enable_command('add', this.env.identities_level < 2);
         }
         else if (this.env.action == 'edit-identity' || this.env.action == 'add-identity') {
-          this.enable_command('add', this.env.identities_level < 2);
-          this.enable_command('save', 'delete', 'edit', 'toggle-editor', true);
+          this.enable_command('save', 'edit', 'toggle-editor', true);
+          this.enable_command('delete', this.env.identities_level < 2);
+
+          if (this.env.action == 'add-identity')
+            $("input[type='text']").first().select();
         }
         else if (this.env.action == 'folders') {
           this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', true);
@@ -380,14 +419,17 @@
           $('#rcmloginpwd').focus();
 
         // detect client timezone
-        var tz = new Date().getTimezoneOffset() / -60;
-        var stdtz = new Date().getStdTimezoneOffset() / -60;
+        var dt = new Date(),
+          tz = dt.getTimezoneOffset() / -60,
+          stdtz = dt.getStdTimezoneOffset() / -60;
+
         $('#rcmlogintz').val(stdtz);
         $('#rcmlogindst').val(tz > stdtz ? 1 : 0);
 
         // display 'loading' message on form submit, lock submit button
         $('form').submit(function () {
           $('input[type=submit]', this).prop('disabled', true);
+          rcmail.clear_messages();
           rcmail.display_message('', 'loading');
         });
 
@@ -442,7 +484,7 @@
   // execute a specific command on the web client
   this.command = function(command, props, obj)
   {
-    var ret;
+    var ret, uid, cid, url, flag;
 
     if (obj && obj.blur)
       obj.blur();
@@ -460,7 +502,7 @@
     }
 
     // check input before leaving compose step
-    if (this.task=='mail' && this.env.action=='compose' && $.inArray(command, this.env.compose_commands)<0) {
+    if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands)<0) {
       if (this.cmp_hash != this.compose_field_hash() && !confirm(this.get_label('notsentwarning')))
         return false;
     }
@@ -504,6 +546,10 @@
         this.switch_task(command);
         break;
 
+      case 'about':
+        location.href = '?_task=settings&_action=about';
+        break;
+
       case 'permaurl':
         if (obj && obj.href && obj.target)
           return true;
@@ -517,7 +563,6 @@
         return false;
 
       case 'open':
-        var uid;
         if (uid = this.get_single_uid()) {
           obj.href = '?_task='+this.env.task+'&_action=show&_mbox='+urlencode(this.env.mailbox)+'&_uid='+uid;
           return true;
@@ -586,7 +631,7 @@
       // common commands used in multiple tasks
       case 'show':
         if (this.task == 'mail') {
-          var uid = this.get_single_uid();
+          uid = this.get_single_uid();
           if (uid && (!this.env.uid || uid != this.env.uid)) {
             if (this.env.mailbox == this.env.drafts_mailbox)
               this.goto_url('compose', '_draft_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true);
@@ -595,7 +640,7 @@
           }
         }
         else if (this.task == 'addressbook') {
-          var cid = props ? props : this.get_single_cid();
+          cid = props ? props : this.get_single_cid();
           if (cid && !(this.env.action == 'show' && cid == this.env.cid))
             this.load_contact(cid, 'show');
         }
@@ -611,13 +656,12 @@
         break;
 
       case 'edit':
-        var cid;
         if (this.task=='addressbook' && (cid = this.get_single_cid()))
           this.load_contact(cid, 'edit');
         else if (this.task=='settings' && props)
           this.load_identity(props, 'edit-identity');
         else if (this.task=='mail' && (cid = this.get_single_uid())) {
-          var url = (this.env.mailbox == this.env.drafts_mailbox) ? '_draft_uid=' : '_uid=';
+          url = (this.env.mailbox == this.env.drafts_mailbox) ? '_draft_uid=' : '_uid=';
           this.goto_url('compose', url+cid+'&_mbox='+urlencode(this.env.mailbox), true);
         }
         break;
@@ -695,7 +739,7 @@
         if (props && !props._row)
           break;
 
-        var uid, flag = 'read';
+        flag = 'read';
 
         if (props._row.uid) {
           uid = props._row.uid;
@@ -715,7 +759,7 @@
         if (props && !props._row)
           break;
 
-        var uid, flag = 'flagged';
+        flag = 'flagged';
 
         if (props._row.uid) {
           uid = props._row.uid;
@@ -811,17 +855,11 @@
         break;
 
       case 'compose':
-        var url = this.url('mail/compose');
+        url = this.url('mail/compose');
 
         if (this.task == 'mail') {
           url += '&_mbox='+urlencode(this.env.mailbox);
-
-          if (this.env.mailbox == this.env.drafts_mailbox) {
-            var uid;
-            if (uid = this.get_single_uid())
-              url += '&_draft_uid='+uid;
-          }
-          else if (props)
+          if (props)
              url += '&_to='+urlencode(props);
         }
         // modify url if we're in addressbook
@@ -858,13 +896,18 @@
         break;
 
       case 'spellcheck':
-        if (window.tinyMCE && tinyMCE.get(this.env.composebody)) {
-          tinyMCE.execCommand('mceSpellCheck', true);
+        if (this.spellcheck_state()) {
+          this.stop_spellchecking();
         }
-        else if (this.env.spellcheck && this.env.spellcheck.spellCheck && this.spellcheck_ready) {
-          this.env.spellcheck.spellCheck();
-          this.set_spellcheck_state('checking');
+        else {
+          if (window.tinyMCE && tinyMCE.get(this.env.composebody)) {
+            tinyMCE.execCommand('mceSpellCheck', true);
+          }
+          else if (this.env.spellcheck && this.env.spellcheck.spellCheck) {
+            this.env.spellcheck.spellCheck();
+          }
         }
+        this.spellcheck_state();
         break;
 
       case 'savedraft':
@@ -892,7 +935,7 @@
         if (!this.gui_objects.messageform)
           break;
 
-        if (!this.check_compose_input())
+        if (!props.nocheck && !this.check_compose_input(command))
           break;
 
         // Reset the auto-save timer
@@ -916,20 +959,28 @@
       case 'send-attachment':
         // Reset the auto-save timer
         self.clearTimeout(this.save_timer);
-
-        this.upload_file(props)
+        
+        this.upload_file(props || this.gui_objects.uploadform);
         break;
 
       case 'insert-sig':
         this.change_identity($("[name='_from']")[0], true);
         break;
 
+      case 'list-adresses':
+        this.list_contacts(props);
+        this.enable_command('add-recipient', false);
+        break;
+
+      case 'add-recipient':
+        this.compose_add_recipient(props);
+        break;
+
       case 'reply-all':
       case 'reply-list':
       case 'reply':
-        var uid;
         if (uid = this.get_single_uid()) {
-          var url = '_reply_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
+          url = '_reply_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
           if (command == 'reply-all')
             // do reply-list, when list is detected and popup menu wasn't used 
             url += '&_all=' + (!props && this.commands['reply-list'] ? 'list' : 'all');
@@ -942,7 +993,6 @@
 
       case 'forward-attachment':
       case 'forward':
-        var uid, url;
         if (uid = this.get_single_uid()) {
           url = '_forward_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
           if (command == 'forward-attachment' || (!props && this.env.forward_attachment))
@@ -952,7 +1002,6 @@
         break;
 
       case 'print':
-        var uid;
         if (uid = this.get_single_uid()) {
           ref.printwin = window.open(this.env.comm_path+'&_action=print&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox)+(this.env.safemode ? '&_safe=1' : ''));
           if (this.printwin) {
@@ -964,7 +1013,6 @@
         break;
 
       case 'viewsource':
-        var uid;
         if (uid = this.get_single_uid()) {
           ref.sourcewin = window.open(this.env.comm_path+'&_action=viewsource&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox));
           if (this.sourcewin)
@@ -973,7 +1021,6 @@
         break;
 
       case 'download':
-        var uid;
         if (uid = this.get_single_uid())
           this.goto_url('viewsource', '&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox)+'&_save=1');
         break;
@@ -1033,7 +1080,7 @@
         break;
 
       case 'upload-photo':
-        this.upload_contact_photo(props);
+        this.upload_contact_photo(props || this.gui_objects.uploadform);
         break;
 
       case 'delete-photo':
@@ -1070,10 +1117,10 @@
   // set command(s) enabled or disabled
   this.enable_command = function()
   {
-    var args = Array.prototype.slice.call(arguments),
+    var i, n, args = Array.prototype.slice.call(arguments),
       enable = args.pop(), cmd;
 
-    for (var n=0; n<args.length; n++) {
+    for (n=0; n<args.length; n++) {
       cmd = args[n];
       // argument of type array
       if (typeof cmd === 'string') {
@@ -1082,7 +1129,7 @@
       }
       // push array elements into commands array
       else {
-        for (var i in cmd)
+        for (i in cmd)
           args.push(cmd[i]);
       }
     }
@@ -1209,6 +1256,24 @@
     this.http_post('save-pref', request);
   };
 
+  this.html_identifier = function(str, encode)
+  {
+    str = String(str);
+    if (encode)
+      return Base64.encode(str).replace(/=+$/, '').replace(/\+/g, '-').replace(/\//g, '_');
+    else
+      return str.replace(this.identifier_expr, '_');
+  };
+
+  this.html_identifier_decode = function(str)
+  {
+    str = String(str).replace(/-/g, '+').replace(/_/g, '/');
+
+    while (str.length % 4) str += '=';
+
+    return Base64.decode(str);
+  };
+
 
   /*********************************************************/
   /*********        event handling methods         *********/
@@ -1255,13 +1320,14 @@
       this.initialBodyScrollTop = bw.ie ? 0 : window.pageYOffset;
       this.initialListScrollTop = this.gui_objects.folderlist.parentNode.scrollTop;
 
-      var li, pos, list, height;
-      list = $(this.gui_objects.folderlist);
-      pos = list.offset();
+      var k, li, height,
+        list = $(this.gui_objects.folderlist);
+        pos = list.offset();
+
       this.env.folderlist_coords = { x1:pos.left, y1:pos.top, x2:pos.left + list.width(), y2:pos.top + list.height() };
 
       this.env.folder_coords = [];
-      for (var k in model) {
+      for (k in model) {
         if (li = this.get_folder_li(k)) {
           // only visible folders
           if (height = li.firstChild.offsetHeight) {
@@ -1297,19 +1363,18 @@
   this.drag_move = function(e)
   {
     if (this.gui_objects.folderlist && this.env.folder_coords) {
-      // offsets to compensate for scrolling while dragging a message
-      var boffset = bw.ie ? -document.documentElement.scrollTop : this.initialBodyScrollTop;
-      var moffset = this.initialListScrollTop-this.gui_objects.folderlist.parentNode.scrollTop;
-      var toffset = -moffset-boffset;
-      var li, div, pos, mouse, check, oldclass,
-        layerclass = 'draglayernormal';
+      var k, li, div, check, oldclass,
+        layerclass = 'draglayernormal',
+        mouse = rcube_event.get_mouse_pos(e),
+        pos = this.env.folderlist_coords,
+        // offsets to compensate for scrolling while dragging a message
+        boffset = bw.ie ? -document.documentElement.scrollTop : this.initialBodyScrollTop,
+        moffset = this.initialListScrollTop-this.gui_objects.folderlist.parentNode.scrollTop;
 
       if (this.contact_list && this.contact_list.draglayer)
         oldclass = this.contact_list.draglayer.attr('class');
 
-      mouse = rcube_event.get_mouse_pos(e);
-      pos = this.env.folderlist_coords;
-      mouse.y += toffset;
+      mouse.y += -moffset-boffset;
 
       // if mouse pointer is outside of folderlist
       if (mouse.x < pos.x1 || mouse.x >= pos.x2 || mouse.y < pos.y1 || mouse.y >= pos.y2) {
@@ -1324,10 +1389,10 @@
       }
 
       // over the folders
-      for (var k in this.env.folder_coords) {
+      for (k in this.env.folder_coords) {
         pos = this.env.folder_coords[k];
         if (mouse.x >= pos.x1 && mouse.x < pos.x2 && mouse.y >= pos.y1 && mouse.y < pos.y2){
-         if ((check = this.check_droptarget(k))) {
+          if ((check = this.check_droptarget(k))) {
             li = this.get_folder_li(k);
             div = $(li.getElementsByTagName('div')[0]);
 
@@ -1336,11 +1401,11 @@
               if (this.folder_auto_timer)
                 window.clearTimeout(this.folder_auto_timer);
 
-              this.folder_auto_expand = k;
+              this.folder_auto_expand = this.env.mailboxes[k].id;
               this.folder_auto_timer = window.setTimeout(function() {
-                  rcmail.command('collapse-folder', rcmail.folder_auto_expand);
-                  rcmail.drag_start(null);
-                }, 1000);
+                rcmail.command('collapse-folder', rcmail.folder_auto_expand);
+                rcmail.drag_start(null);
+              }, 1000);
             } else if (this.folder_auto_timer) {
               window.clearTimeout(this.folder_auto_timer);
               this.folder_auto_timer = null;
@@ -1366,31 +1431,30 @@
     }
   };
 
-  this.collapse_folder = function(id)
+  this.collapse_folder = function(name)
   {
-    var li = this.get_folder_li(id),
-      div = $(li.getElementsByTagName('div')[0]);
-
-    if (!div || (!div.hasClass('collapsed') && !div.hasClass('expanded')))
-      return;
-
-    var ul = $(li.getElementsByTagName('ul')[0]);
+    var li = this.get_folder_li(name, '', true),
+      div = $('div:first', li),
+      ul = $('ul:first', li);
 
     if (div.hasClass('collapsed')) {
       ul.show();
       div.removeClass('collapsed').addClass('expanded');
-      var reg = new RegExp('&'+urlencode(id)+'&');
+      var reg = new RegExp('&'+urlencode(name)+'&');
       this.env.collapsed_folders = this.env.collapsed_folders.replace(reg, '');
     }
-    else {
+    else if (div.hasClass('expanded')) {
       ul.hide();
       div.removeClass('expanded').addClass('collapsed');
-      this.env.collapsed_folders = this.env.collapsed_folders+'&'+urlencode(id)+'&';
+      this.env.collapsed_folders = this.env.collapsed_folders+'&'+urlencode(name)+'&';
 
-      // select parent folder if one of its childs is currently selected
-      if (this.env.mailbox.indexOf(id + this.env.delimiter) == 0)
-        this.command('list', id);
+      // select the folder if one of its childs is currently selected
+      // don't select if it's virtual (#1488346)
+      if (this.env.mailbox.indexOf(name + this.env.delimiter) == 0 && !$(li).hasClass('virtual'))
+        this.command('list', name);
     }
+    else
+      return;
 
     // Work around a bug in IE6 and IE7, see #1485309
     if (bw.ie6 || bw.ie7) {
@@ -1402,7 +1466,7 @@
     }
 
     this.command('save-pref', { name: 'collapsed_folders', value: this.env.collapsed_folders });
-    this.set_unread_count_display(id, false);
+    this.set_unread_count_display(name, false);
   };
 
   this.doc_mouse_up = function(e)
@@ -1560,6 +1624,7 @@
   {
     if (this.env.messages[row.uid])
       this.env.messages[row.uid].expanded = row.expanded;
+    $(row.obj)[row.expanded?'addClass':'removeClass']('expanded');
   };
 
   this.msglist_set_coltypes = function(list)
@@ -1678,11 +1743,12 @@
       flags: flags.extra_flags
     });
 
-    var c, n, col, html, tree = '', expando = '',
+    var c, n, col, html, css_class,
+      tree = '', expando = '',
       list = this.message_list,
       rows = list.rows,
       message = this.env.messages[uid],
-      css_class = 'message'
+      row_class = 'message'
         + (!flags.seen ? ' unread' : '')
         + (flags.deleted ? ' deleted' : '')
         + (flags.flagged ? ' flagged' : '')
@@ -1692,7 +1758,6 @@
       row = document.createElement('tr');
 
     row.id = 'rcmrow'+uid;
-    row.className = css_class;
 
     // message status icons
     css_class = 'msgicon';
@@ -1729,6 +1794,8 @@
         }
         else
           message.expanded = true;
+
+        row_class += ' thread expanded';
       }
       else if (message.has_children) {
         if (message.expanded === undefined && (this.env.autoexpand_threads == 1 || (this.env.autoexpand_threads == 2 && message.unread_children))) {
@@ -1736,10 +1803,12 @@
         }
 
         expando = '<div id="rcmexpando' + uid + '" class="' + (message.expanded ? 'expanded' : 'collapsed') + '">&nbsp;&nbsp;</div>';
+        row_class += ' thread' + (message.expanded? ' expanded' : '');
       }
     }
 
     tree += '<span id="msgicn'+uid+'" class="'+css_class+'">&nbsp;</span>';
+    row.className = row_class;
 
     // build subject link 
     if (!bw.ie && cols.subject) {
@@ -1944,10 +2013,10 @@
     if (page > 0 && page <= this.env.pagecount) {
       this.env.current_page = page;
 
-      if (this.task == 'mail')
-        this.list_mailbox(this.env.mailbox, page);
-      else if (this.task == 'addressbook')
+      if (this.task == 'addressbook' || this.contact_list)
         this.list_contacts(this.env.source, this.env.group, page);
+      else if (this.task == 'mail')
+        this.list_mailbox(this.env.mailbox, page);
     }
   };
 
@@ -1995,7 +2064,8 @@
     if (mbox != this.env.mailbox || (mbox == this.env.mailbox && !page && !sort))
       url += '&_refresh=1';
 
-    this.select_folder(mbox);
+    this.select_folder(mbox, '', true);
+    this.unmark_folder(mbox, 'recent', '', true);
     this.env.mailbox = mbox;
 
     // load message list remotely
@@ -2926,12 +2996,46 @@
 
   this.init_address_input_events = function(obj, props)
   {
+    this.env.recipients_delimiter = this.env.recipients_separator + ' ';
+
     obj[bw.ie || bw.safari || bw.chrome ? 'keydown' : 'keypress'](function(e) { return ref.ksearch_keydown(e, this, props); })
       .attr('autocomplete', 'off');
   };
+  
+  this.compose_recipient_select = function(list)
+  {
+    this.enable_command('add-recipient', list.selection.length > 0);
+  };
+
+  this.compose_add_recipient = function(field)
+  {
+    var recipients = [], input = $('#_'+field);
+    
+    if (this.contact_list && this.contact_list.selection.length) {
+      for (var id, n=0; n < this.contact_list.selection.length; n++) {
+        id = this.contact_list.selection[n];
+        if (id && this.env.contactdata[id]) {
+          recipients.push(this.env.contactdata[id]);
+
+          // group is added, expand it
+          if (id.charAt(0) == 'E' && this.env.contactdata[id].indexOf('@') < 0 && input.length) {
+            var gid = id.substr(1);
+            this.group2expand[gid] = { name:this.env.contactdata[id], input:input.get(0) };
+            this.http_request('group-expand', '_source='+urlencode(this.env.source)+'&_gid='+urlencode(gid), false);
+          }
+        }
+      }
+    }
+
+    if (recipients.length && input.length) {
+      var oldval = input.val();
+      input.val((oldval ? oldval + this.env.recipients_delimiter : '') + recipients.join(this.env.recipients_delimiter));
+      this.triggerEvent('add-recipient', { field:field, recipients:recipients });
+    }
+  };
 
   // checks the input fields before sending a message
-  this.check_compose_input = function()
+  this.check_compose_input = function(cmd)
   {
     // check input fields
     var ed, input_to = $("[name='_to']"),
@@ -2966,15 +3070,28 @@
 
     // display localized warning for missing subject
     if (input_subject.val() == '') {
-      var subject = prompt(this.get_label('nosubjectwarning'), this.get_label('nosubject'));
+      var myprompt = $('<div class="prompt">').html('<div class="message">' + this.get_label('nosubjectwarning') + '</div>').appendTo(document.body);
+      var prompt_value = $('<input>').attr('type', 'text').attr('size', 30).appendTo(myprompt).val(this.get_label('nosubject'));
 
-      // user hit cancel, so don't send
-      if (!subject && subject !== '') {
+      var buttons = {};
+      buttons[this.get_label('cancel')] = function(){
         input_subject.focus();
-        return false;
-      }
-      else
-        input_subject.val((subject ? subject : this.get_label('nosubject')));
+        $(this).dialog('close');
+      };
+      buttons[this.get_label('sendmessage')] = function(){
+        input_subject.val(prompt_value.val());
+        $(this).dialog('close');
+        ref.command(cmd, { nocheck:true });  // repeat command which triggered this
+      };
+
+      myprompt.dialog({
+        modal: true,
+        resizable: false,
+        buttons: buttons,
+        close: function(event, ui) { $(this).remove() }
+      });
+      prompt_value.select();
+      return false;
     }
 
     // Apply spellcheck changes if spell checker is active
@@ -3002,15 +3119,19 @@
 
   this.toggle_editor = function(props)
   {
+    this.stop_spellchecking();
+
     if (props.mode == 'html') {
-      this.display_spellcheck_controls(false);
       this.plain2html($('#'+props.id).val(), props.id);
       tinyMCE.execCommand('mceAddControl', false, props.id);
+
+      if (this.env.default_font)
+        window.setTimeout(function() {
+          $(tinyMCE.get(props.id).getBody()).css('font-family', rcmail.env.default_font);
+        }, 500);
     }
     else {
       var thisMCE = tinyMCE.get(props.id), existingHtml;
-      if (thisMCE.plugins.spellchecker && thisMCE.plugins.spellchecker.active)
-        thisMCE.execCommand('mceSpellCheck', false);
 
       if (existingHtml = thisMCE.getContent()) {
         if (!confirm(this.get_label('editorwarning'))) {
@@ -3019,7 +3140,6 @@
         this.html2plain(existingHtml, props.id);
       }
       tinyMCE.execCommand('mceRemoveControl', false, props.id);
-      this.display_spellcheck_controls(true);
     }
 
     return true;
@@ -3028,43 +3148,53 @@
   this.stop_spellchecking = function()
   {
     var ed;
+
     if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody))) {
-      if (ed.plugins.spellchecker && ed.plugins.spellchecker.active)
+      if (ed.plugins && ed.plugins.spellchecker && ed.plugins.spellchecker.active)
         ed.execCommand('mceSpellCheck');
     }
-    else if ((ed = this.env.spellcheck) && !this.spellcheck_ready) {
-      $(ed.spell_span).trigger('click');
-      this.set_spellcheck_state('ready');
+    else if (ed = this.env.spellcheck) {
+      if (ed.state && ed.state != 'ready' && ed.state != 'no_error_found')
+        $(ed.spell_span).trigger('click');
     }
+
+    this.spellcheck_state();
   };
 
-  this.display_spellcheck_controls = function(vis)
+  this.spellcheck_state = function()
   {
-    if (this.env.spellcheck) {
-      // stop spellchecking process
-      if (!vis)
-        this.stop_spellchecking();
+    var ed, active;
 
-      $(this.env.spellcheck.spell_container).css('visibility', vis ? 'visible' : 'hidden');
-    }
-  };
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins && ed.plugins.spellchecker)
+      active = ed.plugins.spellchecker.active;
+    else if ((ed = this.env.spellcheck) && ed.state)
+      active = ed.state != 'ready' && ed.state != 'no_error_found';
 
-  this.set_spellcheck_state = function(s)
-  {
-    this.spellcheck_ready = (s == 'ready' || s == 'no_error_found');
-    this.enable_command('spellcheck', this.spellcheck_ready);
+    if (rcmail.buttons.spellcheck)
+      $('#'+rcmail.buttons.spellcheck[0].id)[active ? 'addClass' : 'removeClass']('selected');
+
+    return active;
   };
 
   // get selected language
   this.spellcheck_lang = function()
   {
     var ed;
-    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins.spellchecker) {
+
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins && ed.plugins.spellchecker)
       return ed.plugins.spellchecker.selectedLang;
-    }
-    else if (this.env.spellcheck) {
+    else if (this.env.spellcheck)
       return GOOGIE_CUR_LANG;
-    }
+  };
+
+  this.spellcheck_lang_set = function(lang)
+  {
+    var ed;
+
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody)) && ed.plugins)
+      ed.plugins.spellchecker.selectedLang = lang;
+    else if (this.env.spellcheck)
+      this.env.spellcheck.setCurrentLanguage(lang);
   };
 
   // resume spellchecking, highlight provided mispellings without new ajax request
@@ -3083,6 +3213,8 @@
       sp.prepare(false, true);
       sp.processData(data);
     }
+
+    this.spellcheck_state();
   }
 
   this.set_draft_id = function(id)
@@ -3310,10 +3442,10 @@
         ts = frame_name.replace(/^rcmupload/, '');
 
       if (this.env.loadingicon)
-        content = '<img src="'+this.env.loadingicon+'" alt="" />'+content;
+        content = '<img src="'+this.env.loadingicon+'" alt="" class="uploading" />'+content;
       if (this.env.cancelicon)
-        content = '<a title="'+this.get_label('cancel')+'" onclick="return rcmail.cancel_attachment_upload(\''+ts+'\', \''+frame_name+'\');" href="#cancelupload"><img src="'+this.env.cancelicon+'" alt="" /></a>'+content;
-      this.add2attachment_list(ts, { name:'', html:content, complete:false });
+        content = '<a title="'+this.get_label('cancel')+'" onclick="return rcmail.cancel_attachment_upload(\''+ts+'\', \''+frame_name+'\');" href="#cancelupload" class="cancelupload"><img src="'+this.env.cancelicon+'" alt="" /></a>'+content;
+      this.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false });
 
       // upload progress support
       if (this.env.upload_progress_time) {
@@ -3333,7 +3465,7 @@
     if (!this.gui_objects.attachmentlist)
       return false;
 
-    var indicator, li = $('<li>').attr('id', name).html(att.html);
+    var indicator, li = $('<li>').attr('id', name).addClass(att.classname).html(att.html);
 
     // replace indicator's li
     if (upload_id && (indicator = document.getElementById(upload_id))) {
@@ -3353,16 +3485,8 @@
 
   this.remove_from_attachment_list = function(name)
   {
-    if (this.env.attachments[name])
-      delete this.env.attachments[name];
-
-    if (!this.gui_objects.attachmentlist)
-      return false;
-
-    var list = this.gui_objects.attachmentlist.getElementsByTagName("li");
-    for (i=0; i<list.length; i++)
-      if (list[i].id == name)
-        this.gui_objects.attachmentlist.removeChild(list[i]);
+    delete this.env.attachments[name];
+    $('#'+name).remove();
   };
 
   this.remove_attachment = function(name)
@@ -3590,13 +3714,12 @@
 
     // insert all members of a group
     if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].id) {
-      insert += this.env.contacts[id].name + ', ';
-      this.group2expand = $.extend({}, this.env.contacts[id]);
-      this.group2expand.input = this.ksearch_input;
+      insert += this.env.contacts[id].name + this.env.recipients_delimiter;
+      this.group2expand[this.env.contacts[id].id] = $.extend({ input: this.ksearch_input }, this.env.contacts[id]);
       this.http_request('mail/group-expand', '_source='+urlencode(this.env.contacts[id].source)+'&_gid='+urlencode(this.env.contacts[id].id), false);
     }
     else if (typeof this.env.contacts[id] === 'string') {
-      insert = this.env.contacts[id] + ', ';
+      insert = this.env.contacts[id] + this.env.recipients_delimiter;
       trigger = true;
     }
 
@@ -3613,10 +3736,10 @@
 
   this.replace_group_recipients = function(id, recipients)
   {
-    if (this.group2expand && this.group2expand.id == id) {
-      this.group2expand.input.value = this.group2expand.input.value.replace(this.group2expand.name, recipients);
-      this.triggerEvent('autocomplete_insert', { field:this.group2expand.input, insert:recipients });
-      this.group2expand = null;
+    if (this.group2expand[id]) {
+      this.group2expand[id].input.value = this.group2expand[id].input.value.replace(this.group2expand[id].name, recipients);
+      this.triggerEvent('autocomplete_insert', { field:this.group2expand[id].input, insert:recipients });
+      this.group2expand[id] = null;
     }
   };
 
@@ -3633,7 +3756,7 @@
 
     // get string from current cursor pos to last comma
     var cpos = this.get_caret_pos(this.ksearch_input),
-      p = inp_value.lastIndexOf(',', cpos-1),
+      p = inp_value.lastIndexOf(this.env.recipients_separator, cpos-1),
       q = inp_value.substring(p+1, cpos),
       min = this.env.autocomplete_min_length,
       ac = this.ksearch_data;
@@ -3699,7 +3822,7 @@
       return;
 
     // display search results
-    var ul, li, text, init,
+    var i, len, ul, li, text, init,
       value = this.ksearch_value,
       data = this.ksearch_data,
       maxlen = this.env.autocomplete_max ? this.env.autocomplete_max : 15;
@@ -3730,8 +3853,8 @@
     }
 
     // add each result line to list
-    if (results && results.length) {
-      for (i=0; i < results.length && maxlen > 0; i++) {
+    if (results && (len = results.length)) {
+      for (i=0; i < len && maxlen > 0; i++) {
         text = typeof results[i] === 'object' ? results[i].name : results[i];
         li = document.createElement('LI');
         li.innerHTML = text.replace(new RegExp('('+RegExp.escape(value)+')', 'ig'), '##$1%%').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/##([^%]+)%%/g, '<b>$1</b>');
@@ -3752,7 +3875,7 @@
       }
     }
 
-    if (results && results.length)
+    if (len)
       this.env.contacts = this.env.contacts.concat(results);
 
     // run next parallel search
@@ -3955,7 +4078,7 @@
     if (this.env.search_request)
       url += '&_search='+this.env.search_request;
 
-    this.http_request('list', url, lock);
+    this.http_request(this.env.task == 'mail' ? 'list-contacts' : 'list', url, lock);
   };
 
   this.list_contacts_clear = function()
@@ -4035,10 +4158,10 @@
 
   this.delete_contacts = function()
   {
-    // exit if no mailbox specified or if selection is empty
     var selection = this.contact_list.get_selection(),
-      undelete = this.env.address_sources[this.env.source].undelete;
+      undelete = this.env.source && this.env.address_sources[this.env.source].undelete;
 
+    // exit if no mailbox specified or if selection is empty
     if (!(selection.length || this.env.cid) || (!undelete && !confirm(this.get_label('deletecontactconfirm'))))
       return;
 
@@ -4079,7 +4202,7 @@
   {
     var c, row, list = this.contact_list;
 
-    cid = String(cid).replace(this.identifier_expr, '_');
+    cid = this.html_identifier(cid);
 
     // when in searching mode, concat cid with the source name
     if (!list.rows[cid]) {
@@ -4095,7 +4218,7 @@
 
       // cid change
       if (newcid) {
-        newcid = String(newcid).replace(this.identifier_expr, '_');
+        newcid = this.html_identifier(newcid);
         row.id = 'rcmrow' + newcid;
         list.remove_row(cid);
         list.init_row(row);
@@ -4114,7 +4237,7 @@
     var c, list = this.contact_list,
       row = document.createElement('tr');
 
-    row.id = 'rcmrow'+String(cid).replace(this.identifier_expr, '_');
+    row.id = 'rcmrow'+this.html_identifier(cid);
     row.className = 'contact';
 
     if (list.in_selection(cid))
@@ -4161,7 +4284,6 @@
         yearRange: '-100:+10',
         showOtherMonths: true,
         selectOtherMonths: true,
-        monthNamesShort: this.env.month_names,
         onSelect: function(dateText) { $(this).focus().val(dateText) }
       });
       $('input.datepicker').datepicker();
@@ -4296,7 +4418,7 @@
         .attr('rel', prop.source+':'+prop.id)
         .click(function() { return rcmail.command('listgroup', prop, this); })
         .html(prop.name),
-      li = $('<li>').attr({id: 'rcmli'+key.replace(this.identifier_expr, '_'), 'class': 'contactgroup'})
+      li = $('<li>').attr({id: 'rcmli'+this.html_identifier(key), 'class': 'contactgroup'})
         .append(link);
 
     this.env.contactfolders[key] = this.env.contactgroups[key] = prop;
@@ -4319,7 +4441,7 @@
       var newkey = 'G'+prop.source+prop.newid,
         newprop = $.extend({}, prop);;
 
-      li.id = String('rcmli'+newkey).replace(this.identifier_expr, '_');
+      li.id = 'rcmli' + this.html_identifier(newkey);
       this.env.contactfolders[newkey] = this.env.contactfolders[key];
       this.env.contactfolders[newkey].id = prop.newid;
       this.env.group = prop.newid;
@@ -4351,7 +4473,7 @@
   {
     var row, name = prop.name.toUpperCase(),
       sibling = this.get_folder_li(prop.source),
-      prefix = 'rcmliG'+(prop.source).replace(this.identifier_expr, '_');
+      prefix = 'rcmliG' + this.html_identifier(prop.source);
 
     // When renaming groups, we need to remove it from DOM and insert it in the proper place
     if (reloc) {
@@ -4385,7 +4507,7 @@
 
     elem.focus(function(){ ref.focus_textfield(this); })
       .blur(function(){ ref.blur_textfield(this); })
-      .each(function(){ this._placeholder = this.title = ref.env.coltypes[col].label; ref.blur_textfield(this); });
+      .each(function(){ this._placeholder = this.title = (ref.env.coltypes[col].label || ''); ref.blur_textfield(this); });
   };
 
   this.insert_edit_field = function(col, section, menu)
@@ -4422,7 +4544,7 @@
             .appendTo(cell);
 
           this.init_edit_field(col, input);
-          
+
           if (colprop.type == 'date' && $.datepicker)
             input.datepicker();
         }
@@ -4544,7 +4666,7 @@
   {
     var n, buttons = this.buttons['upload-photo'];
     for (n=0; buttons && n < buttons.length; n++)
-      $('#'+buttons[n].id).html(this.get_label(id == '-del-' ? 'addphoto' : 'replacephoto'));
+      $('a#'+buttons[n].id).html(this.get_label(id == '-del-' ? 'addphoto' : 'replacephoto'));
 
     $('#ff_photo').val(id);
     this.enable_command('upload-photo', this.env.coltypes.photo ? true : false);
@@ -4584,7 +4706,7 @@
         .attr('rel', id)
         .click(function() { return rcmail.command('listsearch', id, this); })
         .html(name),
-      li = $('<li>').attr({id: 'rcmli'+key.replace(this.identifier_expr, '_'), 'class': 'contactsearch'})
+      li = $('<li>').attr({id: 'rcmli' + this.html_identifier(key), 'class': 'contactsearch'})
         .append(link),
       prop = {name:name, id:id, li:li[0]};
 
@@ -4696,14 +4818,16 @@
   this.identity_select = function(list)
   {
     var id;
-    if (id = list.get_single_selection())
+    if (id = list.get_single_selection()) {
+      this.enable_command('delete', list.rowcount > 1 && this.env.identities_level < 2);
       this.load_identity(id, 'edit-identity');
+    }
   };
 
   // load identity record
   this.load_identity = function(id, action)
   {
-    if (action=='edit-identity' && (!id || id==this.env.iid))
+    if (action == 'edit-identity' && (!id || id == this.env.iid))
       return false;
 
     var add_url = '', target = window;
@@ -4714,7 +4838,7 @@
       document.getElementById(this.env.contentframe).style.visibility = 'inherit';
     }
 
-    if (action && (id || action=='add-identity')) {
+    if (action && (id || action == 'add-identity')) {
       this.set_busy(true);
       this.location_href(this.env.comm_path+'&_action='+action+'&_iid='+id+add_url, target);
     }
@@ -4724,7 +4848,7 @@
 
   this.delete_identity = function(id)
   {
-    // exit if no mailbox specified or if selection is empty
+    // exit if no identity is specified or if selection is empty
     var selection = this.identity_list.get_selection();
     if (!(selection.length || this.env.iid))
       return;
@@ -4732,10 +4856,27 @@
     if (!id)
       id = this.env.iid ? this.env.iid : selection[0];
 
-    // append token to request
-    this.goto_url('delete-identity', '_iid='+id+'&_token='+this.env.request_token, true);
+    // submit request with appended token
+    if (confirm(this.get_label('deleteidentityconfirm')))
+      this.goto_url('delete-identity', '_iid='+id+'&_token='+this.env.request_token, true);
 
     return true;
+  };
+
+  this.update_identity_row = function(id, name, add)
+  {
+    var row, col, list = this.identity_list,
+      rid = this.html_identifier(id);
+
+    if (list.rows[rid] && (row = list.rows[rid].obj)) {
+      $(row.cells[0]).html(name);
+    }
+    else if (add) {
+      row = $('<tr>').attr('id', 'rcmrow'+rid).get(0);
+      col = $('<td>').addClass('mail').html(name).appendTo(row);
+      list.insert_row(row);
+      list.select(rid);
+    }
   };
 
 
@@ -4856,7 +4997,7 @@
     if (!this.gui_objects.subscriptionlist)
       return false;
 
-    var row, n, i, tmp, folders, rowid, list = [], slist = [],
+    var row, n, i, tmp, tmp_name, folders, rowid, list = [], slist = [],
       tbody = this.gui_objects.subscriptionlist.tBodies[0],
       refrow = $('tr', tbody).get(1),
       id = 'rcmrow'+((new Date).getTime());
@@ -4892,8 +5033,12 @@
     for (n in folders) {
       // protected folder
       if (folders[n][2]) {
+        tmp_name = folders[n][0] + this.env.delimiter;
+        // prefix namespace cannot have subfolders (#1488349)
+        if (tmp_name == this.env.prefix_ns)
+          continue;
         slist.push(folders[n][0]);
-        tmp = folders[n][0]+this.env.delimiter;
+        tmp = tmp_name;
       }
       // protected folder's child
       else if (tmp && folders[n][0].indexOf(tmp) == 0)
@@ -5155,17 +5300,18 @@
         init_button(cmd, this.buttons[cmd][i]);
       }
     }
+
+    // set active task button
+    this.set_button(this.task, 'sel');
   };
 
   // set button to a specific state
   this.set_button = function(command, state)
   {
-    var button, obj, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return false;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       obj = document.getElementById(button.id);
 
@@ -5200,15 +5346,14 @@
   // display a specific alttext
   this.set_alttext = function(command, label)
   {
-    if (!this.buttons[command] || !this.buttons[command].length)
-      return;
+    var n, button, obj, link, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    var button, obj, link;
-    for (var n=0; n<this.buttons[command].length; n++) {
-      button = this.buttons[command][n];
+    for (n=0; n<len; n++) {
+      button = a_buttons[n];
       obj = document.getElementById(button.id);
 
-      if (button.type=='image' && obj) {
+      if (button.type == 'image' && obj) {
         obj.setAttribute('alt', this.get_label(label));
         if ((link = obj.parentNode) && link.tagName.toLowerCase() == 'a')
           link.setAttribute('title', this.get_label(label));
@@ -5221,20 +5366,18 @@
   // mouse over button
   this.button_over = function(command, id)
   {
-    var button, elm, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return false;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       if (button.id == id && button.status == 'act') {
-        elm = document.getElementById(button.id);
-        if (elm && button.over) {
+        obj = document.getElementById(button.id);
+        if (obj && button.over) {
           if (button.type == 'image')
-            elm.src = button.over;
+            obj.src = button.over;
           else
-            elm.className = button.over;
+            obj.className = button.over;
         }
       }
     }
@@ -5243,20 +5386,18 @@
   // mouse down on button
   this.button_sel = function(command, id)
   {
-    var button, elm, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       if (button.id == id && button.status == 'act') {
-        elm = document.getElementById(button.id);
-        if (elm && button.sel) {
+        obj = document.getElementById(button.id);
+        if (obj && button.sel) {
           if (button.type == 'image')
-            elm.src = button.sel;
+            obj.src = button.sel;
           else
-            elm.className = button.sel;
+            obj.className = button.sel;
         }
         this.buttons_sel[id] = command;
       }
@@ -5266,25 +5407,22 @@
   // mouse out of button
   this.button_out = function(command, id)
   {
-    var button, elm, a_buttons = this.buttons[command];
+    var n, button, obj, a_buttons = this.buttons[command],
+      len = a_buttons ? a_buttons.length : 0;
 
-    if (!a_buttons || !a_buttons.length)
-      return;
-
-    for (var n=0; n<a_buttons.length; n++) {
+    for (n=0; n<len; n++) {
       button = a_buttons[n];
       if (button.id == id && button.status == 'act') {
-        elm = document.getElementById(button.id);
-        if (elm && button.act) {
+        obj = document.getElementById(button.id);
+        if (obj && button.act) {
           if (button.type == 'image')
-            elm.src = button.act;
+            obj.src = button.act;
           else
-            elm.className = button.act;
+            obj.className = button.act;
         }
       }
     }
   };
-
 
   this.focus_textfield = function(elem)
   {
@@ -5319,14 +5457,14 @@
     if (!this.gui_objects.message) {
       // save message in order to display after page loaded
       if (type != 'loading')
-        this.pending_message = new Array(msg, type, timeout);
+        this.pending_message = [msg, type, timeout];
       return false;
     }
 
     type = type ? type : 'notice';
 
     var ref = this,
-      key = String(msg).replace(this.identifier_expr, '_'),
+      key = this.html_identifier(msg),
       date = new Date(),
       id = type + date.getTime();
 
@@ -5367,6 +5505,8 @@
     else {
       obj.click(function() { return ref.hide_message(obj); });
     }
+
+    this.triggerEvent('message', { message:msg, type:type, timeout:timeout, object:obj });
 
     if (timeout > 0)
       window.setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
@@ -5418,8 +5558,25 @@
     }
   };
 
+  // remove all messages immediately
+  this.clear_messages = function()
+  {
+    // pass command to parent window
+    if (this.is_framed())
+      return parent.rcmail.clear_messages();
+
+    var k, n, m = this.messages;
+
+    for (k in m)
+      for (n in m[k].elements)
+        if (m[k].obj)
+          m[k].obj.hide();
+
+    this.messages = {};
+  };
+
   // mark a mailbox as selected and set environment variable
-  this.select_folder = function(name, prefix)
+  this.select_folder = function(name, prefix, encode)
   {
     if (this.gui_objects.folderlist) {
       var current_li, target_li;
@@ -5427,7 +5584,7 @@
       if ((current_li = $('li.selected', this.gui_objects.folderlist))) {
         current_li.removeClass('selected').addClass('unfocused');
       }
-      if ((target_li = this.get_folder_li(name, prefix))) {
+      if ((target_li = this.get_folder_li(name, prefix, encode))) {
         $(target_li).removeClass('unfocused').addClass('selected');
       }
 
@@ -5436,14 +5593,26 @@
     }
   };
 
+  // adds a class to selected folder
+  this.mark_folder = function(name, class_name, prefix, encode)
+  {
+    $(this.get_folder_li(name, prefix, encode)).addClass(class_name);
+  };
+
+  // adds a class to selected folder
+  this.unmark_folder = function(name, class_name, prefix, encode)
+  {
+    $(this.get_folder_li(name, prefix, encode)).removeClass(class_name);
+  };
+
   // helper method to find a folder list item
-  this.get_folder_li = function(name, prefix)
+  this.get_folder_li = function(name, prefix, encode)
   {
     if (!prefix)
       prefix = 'rcmli';
 
     if (this.gui_objects.folderlist) {
-      name = String(name).replace(this.identifier_expr, '_');
+      name = this.html_identifier(name, encode);
       return document.getElementById(prefix+name);
     }
 
@@ -5534,22 +5703,26 @@
   // replace content of quota display
   this.set_quota = function(content)
   {
-    if (content && this.gui_objects.quotadisplay) {
-      if (typeof content === 'object' && content.type == 'image')
-        this.percent_indicator(this.gui_objects.quotadisplay, content);
-      else
-        $(this.gui_objects.quotadisplay).html(content);
-    }
+    if (this.gui_objects.quotadisplay && content && content.type == 'text')
+      $(this.gui_objects.quotadisplay).html(content.percent+'%').attr('title', content.title);
+
+    this.triggerEvent('setquota', content);
+    this.env.quota_content = content;
   };
 
   // update the mailboxlist
-  this.set_unread_count = function(mbox, count, set_title)
+  this.set_unread_count = function(mbox, count, set_title, mark)
   {
     if (!this.gui_objects.mailboxlist)
       return false;
 
     this.env.unread_counts[mbox] = count;
     this.set_unread_count_display(mbox, set_title);
+
+    if (mark)
+      this.mark_folder(mbox, mark, '', true);
+    else if (!count)
+      this.unmark_folder(mbox, 'recent', '', true);
   };
 
   // update the mailbox count display
@@ -5557,7 +5730,7 @@
   {
     var reg, link, text_obj, item, mycount, childcount, div;
 
-    if (item = this.get_folder_li(mbox)) {
+    if (item = this.get_folder_li(mbox, '', true)) {
       mycount = this.env.unread_counts[mbox] ? this.env.unread_counts[mbox] : 0;
       link = $(item).children('a').eq(0);
       text_obj = link.children('span.unreadcount');
@@ -5569,13 +5742,13 @@
       if ((div = item.getElementsByTagName('div')[0]) &&
           div.className.match(/collapsed/)) {
         // add children's counters
-        for (var k in this.env.unread_counts) 
+        for (var k in this.env.unread_counts)
           if (k.indexOf(mbox + this.env.delimiter) == 0)
             childcount += this.env.unread_counts[k];
       }
 
       if (mycount && text_obj.length)
-        text_obj.html(' ('+mycount+')');
+        text_obj.html(this.env.unreadwrap.replace(/%[sd]/, mycount));
       else if (text_obj.length)
         text_obj.remove();
 
@@ -5606,20 +5779,6 @@
 
       this.set_pagetitle(new_title);
     }
-  };
-
-  this.toggle_prefer_html = function(checkbox)
-  {
-    var elem;
-    if (elem = document.getElementById('rcmfd_addrbook_show_images'))
-      elem.disabled = !checkbox.checked;
-  };
-
-  this.toggle_preview_pane = function(checkbox)
-  {
-    var elem;
-    if (elem = document.getElementById('rcmfd_preview_pane_mark_read'))
-      elem.disabled = !checkbox.checked;
   };
 
   // display fetched raw headers
@@ -5657,69 +5816,6 @@
     elem.onclick = function() { rcmail.load_headers(elem); };
   };
 
-  // percent (quota) indicator
-  this.percent_indicator = function(obj, data)
-  {
-    if (!data || !obj)
-      return false;
-
-    var limit_high = 80,
-      limit_mid  = 55,
-      width = data.width ? data.width : this.env.indicator_width ? this.env.indicator_width : 100,
-      height = data.height ? data.height : this.env.indicator_height ? this.env.indicator_height : 14,
-      quota = data.percent ? Math.abs(parseInt(data.percent)) : 0,
-      quota_width = parseInt(quota / 100 * width),
-      pos = $(obj).position();
-
-    // workarounds for Opera and Webkit bugs
-    pos.top = Math.max(0, pos.top);
-    pos.left = Math.max(0, pos.left);
-
-    this.env.indicator_width = width;
-    this.env.indicator_height = height;
-
-    // overlimit
-    if (quota_width > width) {
-      quota_width = width;
-      quota = 100; 
-    }
-
-    if (data.title)
-      data.title = this.get_label('quota') + ': ' +  data.title;
-
-    // main div
-    var main = $('<div>');
-    main.css({position: 'absolute', top: pos.top, left: pos.left,
-	    width: width + 'px', height: height + 'px', zIndex: 100, lineHeight: height + 'px'})
-	  .attr('title', data.title).addClass('quota_text').html(quota + '%');
-    // used bar
-    var bar1 = $('<div>');
-    bar1.css({position: 'absolute', top: pos.top + 1, left: pos.left + 1,
-	    width: quota_width + 'px', height: height + 'px', zIndex: 99});
-    // background
-    var bar2 = $('<div>');
-    bar2.css({position: 'absolute', top: pos.top + 1, left: pos.left + 1,
-	    width: width + 'px', height: height + 'px', zIndex: 98})
-	  .addClass('quota_bg');
-
-    if (quota >= limit_high) {
-      main.addClass(' quota_text_high');
-      bar1.addClass('quota_high');
-    }
-    else if(quota >= limit_mid) {
-      main.addClass(' quota_text_mid');
-      bar1.addClass('quota_mid');
-    }
-    else {
-      main.addClass(' quota_text_low');
-      bar1.addClass('quota_low');
-    }
-
-    // replace quota image
-    $(obj).html('').append(bar1).append(bar2).append(main);
-    // update #quotaimg title
-    $('#quotaimg').attr('title', data.title);
-  };
 
   /********************************************************/
   /*********  html to text conversion functions   *********/
@@ -5735,14 +5831,17 @@
 
     $.ajax({ type: 'POST', url: url, data: htmlText, contentType: 'application/octet-stream',
       error: function(o, status, err) { rcmail.http_error(o, status, err, lock); },
-      success: function(data) { rcmail.set_busy(false, null, lock); $(document.getElementById(id)).val(data); rcmail.log(data); }
+      success: function(data) { rcmail.set_busy(false, null, lock); $('#'+id).val(data); rcmail.log(data); }
     });
   };
 
-  this.plain2html = function(plainText, id)
+  this.plain2html = function(plain, id)
   {
     var lock = this.set_busy(true, 'converting');
-    $(document.getElementById(id)).val('<pre>'+plainText+'</pre>');
+
+    plain = plain.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+    $('#'+id).val(plain ? '<pre>'+plain+'</pre>' : '');
+
     this.set_busy(false, null, lock);
   };
 
@@ -5974,7 +6073,7 @@
           this.enable_command('purge', this.purge_mailbox_test());
           this.enable_command('expand-all', 'expand-unread', 'collapse-all', this.env.threading && this.env.messagecount);
 
-          if (response.action == 'list' || response.action == 'search') {
+          if ((response.action == 'list' || response.action == 'search') && this.message_list) {
             this.msglist_select(this.message_list);
             this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:this.message_list.rowcount });
           }
@@ -6186,6 +6285,32 @@
     }
   };
 
+  this.mailto_handler_uri = function()
+  {
+    return location.href.split('?')[0] + '?_task=mail&_action=compose&_to=%s';
+  };
+
+  this.register_protocol_handler = function(name)
+  {
+    try {
+      window.navigator.registerProtocolHandler('mailto', this.mailto_handler_uri(), name);
+    }
+    catch(e) {};
+  };
+
+  this.check_protocol_handler = function(name, elem)
+  {
+    var nav = window.navigator;
+    if (!nav
+      || (typeof nav.registerProtocolHandler != 'function')
+      || ((typeof nav.isProtocolHandlerRegistered == 'function')
+        && nav.isProtocolHandlerRegistered('mailto', this.mailto_handler_uri()) == 'registered')
+    )
+      $(elem).addClass('disabled');
+    else
+      $(elem).click(function() { rcmail.register_protocol_handler(name); return false; });
+  };
+
 }  // end object rcube_webmail
 
 

--
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