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 |  383 ++++++++++++++++++++++++++++++++---------------------
 1 files changed, 230 insertions(+), 153 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index b6c7d1d..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>                       |
@@ -30,6 +33,7 @@
   this.command_handlers = {};
   this.onloads = [];
   this.messages = {};
+  this.group2expand = {};
 
   // create protected reference to myself
   this.ref = 'rcmail';
@@ -132,7 +136,7 @@
     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;
     }
@@ -246,19 +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); };
@@ -278,6 +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
@@ -354,8 +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);
@@ -407,6 +429,7 @@
         // 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');
         });
 
@@ -873,13 +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':
@@ -931,12 +959,21 @@
       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':
@@ -1043,7 +1080,7 @@
         break;
 
       case 'upload-photo':
-        this.upload_contact_photo(props);
+        this.upload_contact_photo(props || this.gui_objects.uploadform);
         break;
 
       case 'delete-photo':
@@ -1364,7 +1401,7 @@
               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);
@@ -1411,8 +1448,9 @@
       div.removeClass('expanded').addClass('collapsed');
       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(name + this.env.delimiter) == 0)
+      // 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
@@ -1586,6 +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)
@@ -1704,11 +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' : '')
@@ -1718,7 +1758,6 @@
       row = document.createElement('tr');
 
     row.id = 'rcmrow'+uid;
-    row.className = css_class;
 
     // message status icons
     css_class = 'msgicon';
@@ -1755,6 +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))) {
@@ -1762,10 +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) {
@@ -1970,10 +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);
     }
   };
 
@@ -2958,6 +3001,38 @@
     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(cmd)
@@ -3044,8 +3119,9 @@
 
   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);
 
@@ -3056,8 +3132,6 @@
     }
     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'))) {
@@ -3066,7 +3140,6 @@
         this.html2plain(existingHtml, props.id);
       }
       tinyMCE.execCommand('mceRemoveControl', false, props.id);
-      this.display_spellcheck_controls(true);
     }
 
     return true;
@@ -3075,43 +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
@@ -3130,6 +3213,8 @@
       sp.prepare(false, true);
       sp.processData(data);
     }
+
+    this.spellcheck_state();
   }
 
   this.set_draft_id = function(id)
@@ -3357,10 +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) {
@@ -3380,7 +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))) {
@@ -3630,8 +3715,7 @@
     // 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.env.recipients_delimiter;
-      this.group2expand = $.extend({}, this.env.contacts[id]);
-      this.group2expand.input = this.ksearch_input;
+      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') {
@@ -3652,10 +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;
     }
   };
 
@@ -3994,7 +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()
@@ -4200,7 +4284,6 @@
         yearRange: '-100:+10',
         showOtherMonths: true,
         selectOtherMonths: true,
-        monthNamesShort: this.env.month_names,
         onSelect: function(dateText) { $(this).focus().val(dateText) }
       });
       $('input.datepicker').datepicker();
@@ -4583,7 +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);
@@ -4735,14 +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;
@@ -4753,7 +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);
     }
@@ -4763,7 +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;
@@ -4771,10 +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);
+    }
   };
 
 
@@ -4895,7 +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());
@@ -4931,8 +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)
@@ -5400,6 +5506,8 @@
       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);
     return id;
@@ -5448,6 +5556,23 @@
         }
       }
     }
+  };
+
+  // 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
@@ -5578,12 +5703,11 @@
   // 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
@@ -5624,7 +5748,7 @@
       }
 
       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();
 
@@ -5655,16 +5779,6 @@
 
       this.set_pagetitle(new_title);
     }
-  };
-
-  this.toggle_prefer_html = function(checkbox)
-  {
-    $('#rcmfd_show_images').prop('disabled', !checkbox.checked).val(0);
-  };
-
-  this.toggle_preview_pane = function(checkbox)
-  {
-    $('#rcmfd_preview_pane_mark_read').prop('disabled', !checkbox.checked);
   };
 
   // display fetched raw headers
@@ -5702,69 +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   *********/
@@ -6022,7 +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 });
           }
@@ -6234,6 +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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