From 9f3fad6e1f67bd0617c4002563c140407bc13ffb Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 28 Apr 2014 03:46:45 -0400
Subject: [PATCH] Revert unintentional change

---
 program/js/app.js |  651 +++++++++++++++++++++++++++++++++++++---------------------
 1 files changed, 412 insertions(+), 239 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 2401e1e..2451a6d 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -1,23 +1,37 @@
-/*
- +-----------------------------------------------------------------------+
- | Roundcube Webmail Client Script                                       |
- |                                                                       |
- | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2013, The Roundcube Dev Team                       |
- | Copyright (C) 2011-2013, Kolab Systems AG                             |
- |                                                                       |
- | 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>                       |
- |          Aleksander 'A.L.E.C' Machniak <alec@alec.pl>                 |
- |          Charles McNulty <charles@charlesmcnulty.com>                 |
- +-----------------------------------------------------------------------+
- | Requires: jquery.js, common.js, list.js                               |
- +-----------------------------------------------------------------------+
-*/
+/**
+ * Roundcube Webmail Client Script
+ *
+ * This file is part of the Roundcube Webmail client
+ *
+ * @licstart  The following is the entire license notice for the
+ * JavaScript code in this file.
+ *
+ * Copyright (C) 2005-2014, The Roundcube Dev Team
+ * Copyright (C) 2011-2014, Kolab Systems AG
+ *
+ * The JavaScript code in this page is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GNU GPL) as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option)
+ * any later version.  The code is distributed WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU GPL for more details.
+ *
+ * As additional permission under GNU GPL version 3 section 7, you
+ * may distribute non-source (e.g., minimized or compacted) forms of
+ * that code without the copy of the GNU GPL normally required by
+ * section 4, provided you include this license notice and a URL
+ * through which recipients can access the Corresponding Source.
+ *
+ * @licend  The above is the entire license notice
+ * for the JavaScript code in this file.
+ *
+ * @author Thomas Bruederli <roundcube@gmail.com>
+ * @author Aleksander 'A.L.E.C' Machniak <alec@alec.pl>
+ * @author Charles McNulty <charles@charlesmcnulty.com>
+ *
+ * @requires jquery.js, common.js, list.js
+ */
 
 function rcube_webmail()
 {
@@ -139,11 +153,11 @@
   // initialize webmail client
   this.init = function()
   {
-    var n, p = this;
+    var n;
     this.task = this.env.task;
 
     // check browser
-    if (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9)) {
+    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9) || (bw.ie && bw.vendver < 7))) {
       this.goto_url('error', '_code=0x199');
       return;
     }
@@ -200,24 +214,29 @@
             column_movable:this.env.col_movable, dblclick_time:this.dblclick_time
             });
           this.message_list
-            .addEventListener('initrow', function(o) { p.init_message_row(o); })
-            .addEventListener('dblclick', function(o) { p.msglist_dbl_click(o); })
-            .addEventListener('click', function(o) { p.msglist_click(o); })
-            .addEventListener('keypress', function(o) { p.msglist_keypress(o); })
-            .addEventListener('select', function(o) { p.msglist_select(o); })
-            .addEventListener('dragstart', function(o) { p.drag_start(o); })
-            .addEventListener('dragmove', function(e) { p.drag_move(e); })
-            .addEventListener('dragend', function(e) { p.drag_end(e); })
-            .addEventListener('expandcollapse', function(o) { p.msglist_expand(o); })
-            .addEventListener('column_replace', function(o) { p.msglist_set_coltypes(o); })
-            .addEventListener('listupdate', function(o) { p.triggerEvent('listupdate', o); })
+            .addEventListener('initrow', function(o) { ref.init_message_row(o); })
+            .addEventListener('dblclick', function(o) { ref.msglist_dbl_click(o); })
+            .addEventListener('click', function(o) { ref.msglist_click(o); })
+            .addEventListener('keypress', function(o) { ref.msglist_keypress(o); })
+            .addEventListener('select', function(o) { ref.msglist_select(o); })
+            .addEventListener('dragstart', function(o) { ref.drag_start(o); })
+            .addEventListener('dragmove', function(e) { ref.drag_move(e); })
+            .addEventListener('dragend', function(e) { ref.drag_end(e); })
+            .addEventListener('expandcollapse', function(o) { ref.msglist_expand(o); })
+            .addEventListener('column_replace', function(o) { ref.msglist_set_coltypes(o); })
+            .addEventListener('listupdate', function(o) { ref.triggerEvent('listupdate', o); })
             .init();
 
-          document.onmouseup = function(e){ return p.doc_mouse_up(e); };
-          this.gui_objects.messagelist.parentNode.onmousedown = function(e){ return p.click_on_list(e); };
+          // TODO: this should go into the list-widget code
+          $(this.message_list.thead).on('click', 'a.sortcol', function(e){
+            return ref.command('sort', $(this).attr('rel'), this);
+          });
+
+          document.onmouseup = function(e){ return ref.doc_mouse_up(e); };
+          this.gui_objects.messagelist.parentNode.onmousedown = function(e){ return ref.click_on_list(e); };
 
           this.enable_command('toggle_status', 'toggle_flag', 'sort', true);
-          this.enable_command('set-listmode', this.env.threads && !this.env.search_request);
+          this.enable_command('set-listmode', this.env.threads && !this.is_multifolder_listing());
 
           // load messages
           this.command('list');
@@ -290,7 +309,7 @@
             }
           }
 
-          document.onmouseup = function(e){ return p.doc_mouse_up(e); };
+          document.onmouseup = function(e){ return ref.doc_mouse_up(e); };
 
           // init message compose form
           this.init_messageform();
@@ -317,7 +336,7 @@
           this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
             { multiselect:true, draggable:false, keyboard:false });
           this.contact_list
-            .addEventListener('initrow', function(o) { p.triggerEvent('insertrow', { cid:o.uid, row:o }); })
+            .addEventListener('initrow', function(o) { ref.triggerEvent('insertrow', { cid:o.uid, row:o }); })
             .addEventListener('select', function(o) { ref.compose_recipient_select(o); })
             .addEventListener('dblclick', function(o) { ref.compose_add_recipient('to'); })
             .init();
@@ -358,21 +377,21 @@
           this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
             {multiselect:true, draggable:this.gui_objects.folderlist?true:false, keyboard:true});
           this.contact_list
-            .addEventListener('initrow', function(o) { p.triggerEvent('insertrow', { cid:o.uid, row:o }); })
-            .addEventListener('keypress', function(o) { p.contactlist_keypress(o); })
-            .addEventListener('select', function(o) { p.contactlist_select(o); })
-            .addEventListener('dragstart', function(o) { p.drag_start(o); })
-            .addEventListener('dragmove', function(e) { p.drag_move(e); })
-            .addEventListener('dragend', function(e) { p.drag_end(e); })
+            .addEventListener('initrow', function(o) { ref.triggerEvent('insertrow', { cid:o.uid, row:o }); })
+            .addEventListener('keypress', function(o) { ref.contactlist_keypress(o); })
+            .addEventListener('select', function(o) { ref.contactlist_select(o); })
+            .addEventListener('dragstart', function(o) { ref.drag_start(o); })
+            .addEventListener('dragmove', function(e) { ref.drag_move(e); })
+            .addEventListener('dragend', function(e) { ref.drag_end(e); })
             .init();
 
           if (this.env.cid)
             this.contact_list.highlight_row(this.env.cid);
 
-          this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return p.click_on_list(e); };
-          document.onmouseup = function(e){ return p.doc_mouse_up(e); };
+          this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return ref.click_on_list(e); };
+          document.onmouseup = function(e){ return ref.doc_mouse_up(e); };
 
-          $(this.gui_objects.qsearchbox).focusin(function() { rcmail.contact_list.blur(); });
+          $(this.gui_objects.qsearchbox).focusin(function() { ref.contact_list.blur(); });
 
           this.update_group_commands();
           this.command('list');
@@ -424,7 +443,7 @@
           this.identity_list = new rcube_list_widget(this.gui_objects.identitieslist,
             {multiselect:false, draggable:false, keyboard:false});
           this.identity_list
-            .addEventListener('select', function(o) { p.identity_select(o); })
+            .addEventListener('select', function(o) { ref.identity_select(o); })
             .init()
             .focus();
 
@@ -434,7 +453,7 @@
         else if (this.gui_objects.sectionslist) {
           this.sections_list = new rcube_list_widget(this.gui_objects.sectionslist, {multiselect:false, draggable:false, keyboard:false});
           this.sections_list
-            .addEventListener('select', function(o) { p.section_select(o); })
+            .addEventListener('select', function(o) { ref.section_select(o); })
             .init()
             .focus();
         }
@@ -446,10 +465,10 @@
           this.responses_list
             .addEventListener('select', function(list) {
               var win, id = list.get_single_selection();
-              p.enable_command('delete', !!id && $.inArray(id, p.env.readonly_responses) < 0);
-              if (id && (win = p.get_frame_window(p.env.contentframe))) {
-                p.set_busy(true);
-                p.location_href({ _action:'edit-response', _key:id, _framed:1 }, win);
+              ref.enable_command('delete', !!id && $.inArray(id, ref.env.readonly_responses) < 0);
+              if (id && (win = ref.get_frame_window(ref.env.contentframe))) {
+                ref.set_busy(true);
+                ref.location_href({ _action:'edit-response', _key:id, _framed:1 }, win);
               }
             })
             .init()
@@ -468,7 +487,7 @@
           $('#rcmloginpwd').focus();
 
         // detect client timezone
-        if (window.jstz && !bw.ie6) {
+        if (window.jstz) {
           var timezone = jstz.determine();
           if (timezone.name())
             $('#rcmlogintz').val(timezone.name());
@@ -566,12 +585,13 @@
   // execute a specific command on the web client
   this.command = function(command, props, obj, event)
   {
-    var ret, uid, cid, url, flag;
+    var ret, uid, cid, url, flag, aborted = false;
 
     if (obj && obj.blur)
       obj.blur();
 
-    if (this.busy)
+    // do nothing if interface is locked by other command (with exception for searching reset)
+    if (this.busy && !(command == 'reset-search' && this.last_command == 'search'))
       return false;
 
     // let the browser handle this click (shift/ctrl usually opens the link in a new window/tab)
@@ -596,6 +616,8 @@
       // remove copy from local storage if compose screen is left intentionally
       this.remove_compose_data(this.env.compose_id);
     }
+
+    this.last_command = command;
 
     // process external commands
     if (typeof this.command_handlers[command] === 'function') {
@@ -652,11 +674,16 @@
           var form = this.gui_objects.messageform,
             win = this.open_window('');
 
-          this.save_compose_form_local();
-          $("input[name='_action']", form).val('compose');
-          form.action = this.url('mail/compose', { _id: this.env.compose_id, _extwin: 1 });
-          form.target = win.name;
-          form.submit();
+          if (win) {
+            this.save_compose_form_local();
+            $("input[name='_action']", form).val('compose');
+            form.action = this.url('mail/compose', { _id: this.env.compose_id, _extwin: 1 });
+            form.target = win.name;
+            form.submit();
+          }
+          else {
+            // this.display_message(this.get_label('windowopenerror'), 'error');
+          }
         }
         else {
           this.open_window(this.env.permaurl, true);
@@ -697,9 +724,17 @@
         break;
 
       case 'list':
-        // TODO: don't reset search but re-send for the new folder
-        if (props && props != '')
-          this.reset_qsearch();
+        // re-send search query for the selected folder
+        if (props && props != '' && this.env.search_request && this.gui_objects.qsearchbox.value) {
+          var oldmbox = this.env.search_scope == 'all' ? '*' : this.env.mailbox;
+          this.env.search_mods[props] = this.env.search_mods[oldmbox];  // copy search mods from active search
+          this.env.mailbox = props;
+          this.env.search_scope = 'sub';
+          this.qsearch(this.gui_objects.qsearchbox.value);
+          this.select_folder(this.env.mailbox, '', true);
+          break;
+        }
+
         if (this.env.action == 'compose' && this.env.extwin)
           window.close();
         else if (this.task == 'mail') {
@@ -1056,7 +1091,11 @@
         // Reset the auto-save timer
         clearTimeout(this.save_timer);
 
-        this.upload_file(props || this.gui_objects.uploadform, 'upload');
+        if (!(flag = this.upload_file(props || this.gui_objects.uploadform, 'upload'))) {
+          if (flag !== false)
+            alert(this.get_label('selectimportfile'));
+          aborted = true;
+        }
         break;
 
       case 'insert-sig':
@@ -1092,7 +1131,7 @@
       case 'forward':
         var uids = this.env.uid ? [this.env.uid] : (this.message_list ? this.message_list.get_selection() : []);
         if (uids.length) {
-          url = { _forward_uid: this.uids_to_list(uids), _mbox: this.env.mailbox };
+          url = { _forward_uid: this.uids_to_list(uids), _mbox: this.env.mailbox, _search: this.env.search_request };
           if (command == 'forward-attachment' || (!props && this.env.forward_attachment) || uids.length > 1)
             url._attachment = 1;
           this.open_compose_step(url);
@@ -1179,9 +1218,17 @@
         break;
 
       case 'import-messages':
-        var form = props || this.gui_objects.importform;
-        $('input[name="_unlock"]', form).val(this.set_busy(true, 'importwait'));
-        this.upload_file(form, 'import');
+        var form = props || this.gui_objects.importform,
+          importlock = this.set_busy(true, 'importwait');
+
+        $('input[name="_unlock"]', form).val(importlock);
+
+        if (!(flag = this.upload_file(form, 'import'))) {
+          this.set_busy(false, null, importlock);
+          if (flag !== false)
+            alert(this.get_label('selectimportfile'));
+          aborted = true;
+        }
         break;
 
       case 'import':
@@ -1189,6 +1236,7 @@
           var file = document.getElementById('rcmimportfile');
           if (file && !file.value) {
             alert(this.get_label('selectimportfile'));
+            aborted = true;
             break;
           }
           this.gui_objects.importform.submit();
@@ -1240,9 +1288,9 @@
         break;
     }
 
-    if (this.triggerEvent('after'+command, props) === false)
+    if (!aborted && this.triggerEvent('after'+command, props) === false)
       ret = false;
-    this.triggerEvent('actionafter', {props:props, action:command});
+    this.triggerEvent('actionafter', { props:props, action:command, aborted:aborted });
 
     return ret === false ? false : obj ? false : true;
   };
@@ -1268,6 +1316,11 @@
       }
     }
   };
+
+  this.command_enabled = function(cmd)
+  {
+    return this.commands[cmd];
+  }
 
   // lock/unlock interface
   this.set_busy = function(a, message, id)
@@ -1442,11 +1495,31 @@
 
   this.drag_end = function(e)
   {
-    this.drag_active = false;
-    this.env.last_folder_target = null;
+    var list, model;
 
     if (this.treelist)
       this.treelist.drag_end();
+
+    // execute drag & drop action when mouse was released
+    if (list = this.message_list)
+      model = this.env.mailboxes;
+    else if (list = this.contact_list)
+      model = this.env.contactfolders;
+
+    if (this.drag_active && model && this.env.last_folder_target) {
+      var target = model[this.env.last_folder_target];
+      list.draglayer.hide();
+
+      if (this.contact_list) {
+        if (!this.contacts_drag_menu(e, target))
+          this.command('move', target);
+      }
+      else if (!this.drag_menu(e, target))
+        this.command('move', target);
+    }
+
+    this.drag_active = false;
+    this.env.last_folder_target = null;
   };
 
   this.drag_move = function(e)
@@ -1507,37 +1580,15 @@
 
   this.doc_mouse_up = function(e)
   {
-    var model, list, id;
+    var list, id;
 
     // ignore event if jquery UI dialog is open
     if ($(rcube_event.get_target(e)).closest('.ui-dialog, .ui-widget-overlay').length)
       return;
 
-    if (list = this.message_list)
-      model = this.env.mailboxes;
-    else if (list = this.contact_list)
-      model = this.env.contactfolders;
-    else if (this.ksearch_value)
-      this.ksearch_blur();
-
+    list = this.message_list || this.contact_list;
     if (list && !rcube_mouse_is_over(e, list.list.parentNode))
       list.blur();
-
-    // handle mouse release when dragging
-    if (this.drag_active && model && this.env.last_folder_target) {
-      var target = model[this.env.last_folder_target];
-
-      this.env.last_folder_target = null;
-      list.draglayer.hide();
-      this.drag_end(e);
-
-      if (this.contact_list) {
-        if (!this.contacts_drag_menu(e, target))
-          this.command('move', target);
-      }
-      else if (!this.drag_menu(e, target))
-        this.command('move', target);
-    }
 
     // reset 'pressed' buttons
     if (this.buttons_sel) {
@@ -1667,28 +1718,30 @@
   {
     var i, found, name, cols = list.thead.rows[0].cells;
 
-    this.env.coltypes = [];
+    this.env.listcols = [];
 
     for (i=0; i<cols.length; i++)
       if (cols[i].id && cols[i].id.startsWith('rcm')) {
         name = cols[i].id.slice(3);
-        this.env.coltypes.push(name);
+        this.env.listcols.push(name);
       }
 
-    if ((found = $.inArray('flag', this.env.coltypes)) >= 0)
+    if ((found = $.inArray('flag', this.env.listcols)) >= 0)
       this.env.flagged_col = found;
 
-    if ((found = $.inArray('subject', this.env.coltypes)) >= 0)
+    if ((found = $.inArray('subject', this.env.listcols)) >= 0)
       this.env.subject_col = found;
 
-    this.command('save-pref', { name: 'list_cols', value: this.env.coltypes, session: 'list_attrib/columns' });
+    this.command('save-pref', { name: 'list_cols', value: this.env.listcols, session: 'list_attrib/columns' });
   };
 
   this.check_droptarget = function(id)
   {
     switch (this.task) {
       case 'mail':
-        return (this.env.mailboxes[id] && this.env.mailboxes[id].id != this.env.mailbox && !this.env.mailboxes[id].virtual) ? 1 : 0;
+        return (this.env.mailboxes[id]
+            && !this.env.mailboxes[id].virtual
+            && (this.env.mailboxes[id].id != this.env.mailbox || this.is_multifolder_listing())) ? 1 : 0;
 
       case 'settings':
         return id != this.env.mailbox ? 1 : 0;
@@ -1757,7 +1810,7 @@
 
   this.init_message_row = function(row)
   {
-    var i, fn = {}, self = this, uid = row.uid,
+    var i, fn = {}, uid = row.uid,
       status_icon = (this.env.status_col != null ? 'status' : 'msg') + 'icn' + row.id;
 
     if (uid && this.env.messages[uid])
@@ -1765,7 +1818,7 @@
 
     // set eventhandler to status icon
     if (row.icon = document.getElementById(status_icon)) {
-      fn.icon = function(e) { self.command('toggle_status', uid); };
+      fn.icon = function(e) { ref.command('toggle_status', uid); };
     }
 
     // save message icon position too
@@ -1776,12 +1829,12 @@
 
     // set eventhandler to flag icon
     if (this.env.flagged_col != null && (row.flagicon = document.getElementById('flagicn'+row.id))) {
-      fn.flagicon = function(e) { self.command('toggle_flag', uid); };
+      fn.flagicon = function(e) { ref.command('toggle_flag', uid); };
     }
 
     // set event handler to thread expand/collapse icon
     if (!row.depth && row.has_children && (row.expando = document.getElementById('rcmexpando'+row.id))) {
-      fn.expando = function(e) { self.expand_message_row(e, uid); };
+      fn.expando = function(e) { ref.expand_message_row(e, uid); };
     }
 
     // attach events
@@ -1898,25 +1951,31 @@
     tree += '<span id="msgicn'+row.id+'" class="'+css_class+'">&nbsp;</span>';
     row.className = row_class;
 
-    // build subject link 
-    if (!bw.ie && cols.subject) {
+    // build subject link
+    if (cols.subject) {
       var action = flags.mbox == this.env.drafts_mailbox ? 'compose' : 'show';
       var uid_param = flags.mbox == this.env.drafts_mailbox ? '_draft_uid' : '_uid';
       cols.subject = '<a href="./?_task=mail&_action='+action+'&_mbox='+urlencode(flags.mbox)+'&'+uid_param+'='+urlencode(uid)+'"'+
-        ' onclick="return rcube_event.cancel(event)" onmouseover="rcube_webmail.long_subject_title(this,'+(message.depth+1)+')">'+cols.subject+'</a>';
+        ' onclick="return rcube_event.cancel(event)" onmouseover="rcube_webmail.long_subject_title(this,'+(message.depth+1)+')"><span>'+cols.subject+'</span></a>';
     }
 
     // add each submitted col
-    for (n in this.env.coltypes) {
-      c = this.env.coltypes[n];
-      col = { className: String(c).toLowerCase() };
+    for (n in this.env.listcols) {
+      c = this.env.listcols[n];
+      col = {className: String(c).toLowerCase(), events:{}};
+
+      if (this.env.coltypes[c] && this.env.coltypes[c].hidden) {
+        col.className += ' hidden';
+      }
 
       if (c == 'flag') {
         css_class = (flags.flagged ? 'flagged' : 'unflagged');
         html = '<span id="flagicn'+row.id+'" class="'+css_class+'">&nbsp;</span>';
       }
       else if (c == 'attachment') {
-        if (/application\/|multipart\/(m|signed)/.test(flags.ctype))
+        if (flags.attachmentClass)
+          html = '<span class="'+flags.attachmentClass+'">&nbsp;</span>';
+        else if (/application\/|multipart\/(m|signed)/.test(flags.ctype))
           html = '<span class="attachment">&nbsp;</span>';
         else if (/multipart\/report/.test(flags.ctype))
           html = '<span class="report">&nbsp;</span>';
@@ -1937,11 +1996,8 @@
       else if (c == 'threads')
         html = expando;
       else if (c == 'subject') {
-        if (bw.ie) {
-          col.onmouseover = function() { rcube_webmail.long_subject_title_ex(this, message.depth+1); };
-          if (bw.ie8)
-            tree = '<span></span>' + tree; // #1487821
-        }
+        if (bw.ie)
+          col.events.mouseover = function() { rcube_webmail.long_subject_title_ex(this); };
         html = tree + cols[c];
       }
       else if (c == 'priority') {
@@ -1949,6 +2005,9 @@
           html = '<span class="prio'+flags.prio+'">&nbsp;</span>';
         else
           html = '&nbsp;';
+      }
+      else if (c == 'folder') {
+        html = '<span onmouseover="rcube_webmail.long_subject_title(this)">' + cols[c] + '<span>';
       }
       else
         html = cols[c];
@@ -1999,7 +2058,7 @@
 
     if (cols && cols.length) {
       // make sure new columns are added at the end of the list
-      var i, idx, name, newcols = [], oldcols = this.env.coltypes;
+      var i, idx, name, newcols = [], oldcols = this.env.listcols;
       for (i=0; i<oldcols.length; i++) {
         name = oldcols[i];
         idx = $.inArray(name, cols);
@@ -2147,7 +2206,7 @@
     var lock = this.set_busy(true, 'checkingmail'),
       params = this.check_recent_params();
 
-    this.http_request('check-recent', params, lock);
+    this.http_post('check-recent', params, lock);
   };
 
   // list messages of a specific mailbox using filter
@@ -2159,11 +2218,20 @@
 
     // reset vars
     this.env.current_page = 1;
+    this.env.search_filter = filter;
     this.http_request('search', this.search_params(false, filter), lock);
   };
 
+  // reload the current message listing
+  this.refresh_list = function()
+  {
+    this.list_mailbox(this.env.mailbox, this.env.current_page || 1, null, { _clear:1 }, true);
+    if (this.message_list)
+      this.message_list.clear_selection();
+  };
+
   // list messages of a specific mailbox
-  this.list_mailbox = function(mbox, page, sort, url)
+  this.list_mailbox = function(mbox, page, sort, url, update_only)
   {
     var win, target = window;
 
@@ -2188,15 +2256,17 @@
       this.select_all_mode = false;
     }
 
-    // unselect selected messages and clear the list and message data
-    this.clear_message_list();
+    if (!update_only) {
+      // unselect selected messages and clear the list and message data
+      this.clear_message_list();
 
-    if (mbox != this.env.mailbox || (mbox == this.env.mailbox && !page && !sort))
-      url._refresh = 1;
+      if (mbox != this.env.mailbox || (mbox == this.env.mailbox && !page && !sort))
+        url._refresh = 1;
 
-    this.select_folder(mbox, '', true);
-    this.unmark_folder(mbox, 'recent', '', true);
-    this.env.mailbox = mbox;
+      this.select_folder(mbox, '', true);
+      this.unmark_folder(mbox, 'recent', '', true);
+      this.env.mailbox = mbox;
+    }
 
     // load message list remotely
     if (this.gui_objects.messagelist) {
@@ -2230,20 +2300,17 @@
   };
 
   // send remote request to load message list
-  this.list_mailbox_remote = function(mbox, page, post_data)
+  this.list_mailbox_remote = function(mbox, page, url)
   {
-    // clear message list first
-    this.message_list.clear();
-
     var lock = this.set_busy(true, 'loading');
 
-    if (typeof post_data != 'object')
-      post_data = {};
-    post_data._mbox = mbox;
+    if (typeof url != 'object')
+      url = {};
+    url._mbox = mbox;
     if (page)
-      post_data._page = page;
+      url._page = page;
 
-    this.http_request('list', post_data, lock);
+    this.http_request('list', url, lock);
   };
 
   // removes messages that doesn't exists from list selection array
@@ -2660,7 +2727,7 @@
       return this.folder_selector(obj, function(folder) { ref.command('move', folder); });
 
     // exit if current or no mailbox specified
-    if (!mbox || mbox == this.env.mailbox)
+    if (!mbox || (mbox == this.env.mailbox && !this.is_multifolder_listing()))
       return;
 
     var lock = false, post_data = this.selection_post_data({_target_mbox: mbox});
@@ -2728,7 +2795,8 @@
   // @private
   this._with_selected_messages = function(action, post_data, lock)
   {
-    var count = 0, msg;
+    var count = 0, msg,
+      remove = (action == 'delete' || !this.is_multifolder_listing());
 
     // update the list (remove rows, clear selection)
     if (this.message_list) {
@@ -2745,10 +2813,11 @@
             roots.push(root);
           }
         }
-        this.message_list.remove_row(id, (this.env.display_next && n == selection.length-1));
+        if (remove)
+          this.message_list.remove_row(id, (this.env.display_next && n == selection.length-1));
       }
       // make sure there are no selected rows
-      if (!this.env.display_next)
+      if (!this.env.display_next && remove)
         this.message_list.clear_selection();
       // update thread tree icons
       for (n=0, len=roots.length; n<len; n++) {
@@ -2759,8 +2828,11 @@
     if (count < 0)
       post_data._count = (count*-1);
     // remove threads from the end of the list
-    else if (count > 0)
+    else if (count > 0 && remove)
       this.delete_excessive_thread_rows();
+
+    if (!remove)
+      post_data._refresh = 1;
 
     if (!lock) {
       msg = action == 'move' ? 'movingmessage' : 'deletingmessage';
@@ -2971,7 +3043,8 @@
     var icn_src, uid, i, len,
       rows = this.message_list ? this.message_list.rows : {};
 
-    uids = String(uids).split(',');
+    if (typeof uids == 'string')
+      uids = String(uids).split(',');
 
     for (i=0, len=uids.length; i<len; i++) {
       uid = uids[i];
@@ -2984,7 +3057,7 @@
   // with select_all mode checking
   this.uids_to_list = function(uids)
   {
-    return this.select_all_mode ? '*' : uids.join(',');
+    return this.select_all_mode ? '*' : (uids.length <= 1 ? uids.join(',') : uids);
   };
 
   // Sets title of the delete button
@@ -3057,8 +3130,8 @@
   // handler for keyboard events on the _user field
   this.login_user_keyup = function(e)
   {
-    var key = rcube_event.get_keycode(e);
-    var passwd = $('#rcmloginpwd');
+    var key = rcube_event.get_keycode(e),
+      passwd = $('#rcmloginpwd');
 
     // enter
     if (key == 13 && passwd.length && !passwd.val()) {
@@ -3105,7 +3178,12 @@
 
     // close compose step in opener
     if (opener_rc && opener_rc.env.action == 'compose') {
-      setTimeout(function(){ opener.history.back(); }, 100);
+      setTimeout(function(){
+        if (opener.history.length > 1)
+          opener.history.back();
+        else
+          opener_rc.redirect(opener_rc.get_task_url('mail'));
+      }, 100);
       this.env.opened_extwin = true;
     }
 
@@ -3148,6 +3226,10 @@
         }
         // skip records from 'other' drafts
         if (this.env.draft_id && formdata.draft_id && formdata.draft_id != this.env.draft_id) {
+          continue;
+        }
+        // skip records on reply
+        if (this.env.reply_msgid && formdata.reply_msgid != this.env.reply_msgid) {
           continue;
         }
         // show dialog asking to restore the message
@@ -3401,7 +3483,7 @@
     if ($("input[name='_is_html']").val() == '1') {
       var editor = tinyMCE.get(this.env.composebody);
       editor.getWin().focus(); // correct focus in IE & Chrome
-      editor.selection.setContent(insert, { format:'text' });
+      editor.selection.setContent(this.quote_html(insert).replace(/\r?\n/g, '<br/>'), { format:'text' });
     }
     // replace selection in compose textarea
     else {
@@ -3625,14 +3707,27 @@
       this.env.draft_id = id;
       $("input[name='_draft_saveid']").val(id);
 
-      this.remove_compose_data(this.env.compose_id);
+      // reset history of hidden iframe used for saving draft (#1489643)
+      // but don't do this on timer-triggered draft-autosaving (#1489789)
+      if (window.frames['savetarget'] && window.frames['savetarget'].history && !this.draft_autosave_submit) {
+        window.frames['savetarget'].history.back();
+      }
+
+      this.draft_autosave_submit = false;
     }
+
+    // always remove local copy upon saving as draft
+    this.remove_compose_data(this.env.compose_id);
   };
 
   this.auto_save_start = function()
   {
     if (this.env.draft_autosave)
-      this.save_timer = setTimeout(function(){ ref.command("savedraft"); }, this.env.draft_autosave * 1000);
+      this.draft_autosave_submit = false;
+      this.save_timer = setTimeout(function(){
+          ref.draft_autosave_submit = true;  // set auto-saved flag (#1489789)
+          ref.command("savedraft");
+      }, this.env.draft_autosave * 1000);
 
     // save compose form content to local storage every 5 seconds
     if (!this.local_save_timer && window.localStorage) {
@@ -3689,6 +3784,9 @@
 
     if (this.env.draft_id) {
       formdata.draft_id = this.env.draft_id;
+    }
+    if (this.env.reply_msgid) {
+      formdata.reply_msgid = this.env.reply_msgid;
     }
 
     $('input, select, textarea', this.gui_objects.messageform).each(function(i, elem) {
@@ -3775,9 +3873,9 @@
   this.clear_compose_data = function()
   {
     if (window.localStorage) {
-      var index = this.local_storage_get_item('compose.index', []);
+      var i, index = this.local_storage_get_item('compose.index', []);
 
-      for (var i=0; i < index.length; i++) {
+      for (i=0; i < index.length; i++) {
         this.local_storage_remove_item('compose.' + index[i]);
       }
       this.local_storage_remove_item('compose.index');
@@ -3948,7 +4046,7 @@
   this.upload_file = function(form, action)
   {
     if (!form)
-      return false;
+      return;
 
     // count files and size on capable browser
     var size = 0, numfiles = 0;
@@ -3969,7 +4067,7 @@
     if (numfiles) {
       if (this.env.max_filesize && this.env.filesizeerror && size > this.env.max_filesize) {
         this.display_message(this.env.filesizeerror, 'error');
-        return;
+        return false;
       }
 
       var frame_name = this.async_upload_form(form, action || 'upload', function(e) {
@@ -4003,11 +4101,11 @@
       if (this.env.upload_progress_time) {
         this.upload_progress_start('upload', ts);
       }
-    }
 
-    // set reference to the form object
-    this.gui_objects.attachmentform = form;
-    return true;
+      // set reference to the form object
+      this.gui_objects.attachmentform = form;
+      return true;
+    }
   };
 
   // add file name to attachment list
@@ -4029,7 +4127,7 @@
     li.attr('id', name)
       .addClass(att.classname)
       .html(att.html)
-      .on('mouseover', function() { rcube_webmail.long_subject_title_ex(this, 0); });
+      .on('mouseover', function() { rcube_webmail.long_subject_title_ex(this); });
 
     // replace indicator's li
     if (upload_id && (indicator = document.getElementById(upload_id))) {
@@ -4049,8 +4147,10 @@
 
   this.remove_from_attachment_list = function(name)
   {
-    delete this.env.attachments[name];
-    $('#'+name).remove();
+    if (this.env.attachments) {
+      delete this.env.attachments[name];
+      $('#'+name).remove();
+    }
   };
 
   this.remove_attachment = function(name)
@@ -4124,16 +4224,31 @@
 
       this.env.qsearch = {lock: lock, request: r};
       this.enable_command('set-listmode', this.env.threads && (this.env.search_scope || 'base') == 'base');
+
+      return true;
     }
+
+    return false;
+  };
+
+  this.continue_search = function(request_id)
+  {
+    var lock = ref.set_busy(true, 'stillsearching');
+
+    setTimeout(function(){
+      var url = ref.search_params();
+      url._continue = request_id;
+      ref.env.qsearch = { lock: lock, request: ref.http_request('search', url, lock) };
+    }, 100);
   };
 
   // build URL params for search
-  this.search_params = function(search, filter)
+  this.search_params = function(search, filter, smods)
   {
     var n, url = {}, mods_arr = [],
       mods = this.env.search_mods,
-      mbox = this.env.mailbox,
-      scope = this.env.search_scope || 'base';
+      scope = this.env.search_scope || 'base',
+      mbox = scope == 'all' ? '*' : this.env.mailbox;
 
     if (!filter && this.gui_objects.search_filter)
       filter = this.gui_objects.search_filter.value;
@@ -4147,11 +4262,11 @@
     if (search) {
       url._q = search;
 
-      if (mods && this.message_list)
-        mods = mods[mbox] ? mods[mbox] : mods['*'];
+      if (!smods && mods && this.message_list)
+        smods = mods[mbox] || mods['*'];
 
-      if (mods) {
-        for (n in mods)
+      if (smods) {
+        for (n in smods)
           mods_arr.push(n);
         url._headers = mods_arr.join(',');
       }
@@ -4180,6 +4295,40 @@
 
     this.enable_command('set-listmode', this.env.threads);
   };
+
+  this.set_searchscope = function(scope)
+  {
+    var old = this.env.search_scope;
+    this.env.search_scope = scope;
+
+    // re-send search query with new scope
+    if (scope != old && this.env.search_request) {
+      if (!this.qsearch(this.gui_objects.qsearchbox.value) && this.env.search_filter && this.env.search_filter != 'ALL')
+        this.filter_mailbox(this.env.search_filter);
+      if (scope != 'all')
+        this.select_folder(this.env.mailbox, '', true);
+    }
+  };
+
+  this.set_searchmods = function(mods)
+  {
+    var mbox = rcmail.env.mailbox,
+      scope = this.env.search_scope || 'base';
+
+    if (scope == 'all')
+      mbox = '*';
+
+    if (!this.env.search_mods)
+      this.env.search_mods = {};
+
+    this.env.search_mods[mbox] = mods;
+  };
+
+  this.is_multifolder_listing = function()
+  {
+    return typeof this.env.multifolder_listing != 'undefined' ? this.env.multifolder_listing :
+      (this.env.search_request && (this.env.search_scope || 'base') != 'base');
+  }
 
   this.sent_successfully = function(type, msg, folders)
   {
@@ -4304,10 +4453,14 @@
     this.ksearch_destroy();
 
     // insert all members of a group
-    if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].id) {
+    if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].type == 'group') {
       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: this.env.contacts[id].source, _gid: this.env.contacts[id].id}, false);
+    }
+    else if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].name) {
+      insert = this.env.contacts[id].name + this.env.recipients_delimiter;
+      trigger = true;
     }
     else if (typeof this.env.contacts[id] === 'string') {
       insert = this.env.contacts[id] + this.env.recipients_delimiter;
@@ -4322,7 +4475,7 @@
       this.ksearch_input.setSelectionRange(cpos, cpos);
 
     if (trigger) {
-      this.triggerEvent('autocomplete_insert', { field:this.ksearch_input, insert:insert });
+      this.triggerEvent('autocomplete_insert', { field:this.ksearch_input, insert:insert, data:this.env.contacts[id] });
       this.compose_type_activity++;
     }
   };
@@ -4409,7 +4562,7 @@
       return;
 
     // display search results
-    var i, len, ul, li, text, init,
+    var i, len, ul, li, text, type, init,
       value = this.ksearch_value,
       maxlen = this.env.autocomplete_max ? this.env.autocomplete_max : 15;
 
@@ -4442,11 +4595,13 @@
     if (results && (len = results.length)) {
       for (i=0; i < len && maxlen > 0; i++) {
         text = typeof results[i] === 'object' ? results[i].name : results[i];
+        type = typeof results[i] === 'object' ? results[i].type : '';
         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>');
         li.onmouseover = function(){ ref.ksearch_select(this); };
         li.onmouseup = function(){ ref.ksearch_click(this) };
         li._rcm_id = this.env.contacts.length + i;
+        if (type) li.className = type;
         ul.appendChild(li);
         maxlen -= 1;
       }
@@ -4530,7 +4685,7 @@
     if (this.preview_timer)
       clearTimeout(this.preview_timer);
 
-    var n, id, sid, contact, ref = this, writable = false,
+    var n, id, sid, contact, writable = false,
       source = this.env.source ? this.env.address_sources[this.env.source] : null;
 
     // we don't have dblclick handler here, so use 200 instead of this.dblclick_time
@@ -4947,7 +5102,7 @@
 
   this.init_contact_form = function()
   {
-    var ref = this, col;
+    var col;
 
     if (this.env.coltypes) {
       this.set_photo_actions($('#ff_photo').val());
@@ -5595,25 +5750,25 @@
 
   this.init_subscription_list = function()
   {
-    var p = this, delim = RegExp.escape(this.env.delimiter);
+    var delim = RegExp.escape(this.env.delimiter);
 
     this.last_sub_rx = RegExp('['+delim+']?[^'+delim+']+$');
 
     this.subscription_list = new rcube_list_widget(this.gui_objects.subscriptionlist,
       {multiselect:false, draggable:true, keyboard:false, toggleselect:true});
     this.subscription_list
-      .addEventListener('select', function(o){ p.subscription_select(o); })
-      .addEventListener('dragstart', function(o){ p.drag_active = true; })
-      .addEventListener('dragend', function(o){ p.subscription_move_folder(o); })
+      .addEventListener('select', function(o){ ref.subscription_select(o); })
+      .addEventListener('dragstart', function(o){ ref.drag_active = true; })
+      .addEventListener('dragend', function(o){ ref.subscription_move_folder(o); })
       .addEventListener('initrow', function (row) {
-        row.obj.onmouseover = function() { p.focus_subscription(row.id); };
-        row.obj.onmouseout = function() { p.unfocus_subscription(row.id); };
+        row.obj.onmouseover = function() { ref.focus_subscription(row.id); };
+        row.obj.onmouseout = function() { ref.unfocus_subscription(row.id); };
       })
       .init();
 
     $('#mailboxroot')
-      .mouseover(function(){ p.focus_subscription(this.id); })
-      .mouseout(function(){ p.unfocus_subscription(this.id); })
+      .mouseover(function(){ ref.focus_subscription(this.id); })
+      .mouseout(function(){ ref.unfocus_subscription(this.id); })
   };
 
   this.focus_subscription = function(id)
@@ -6068,7 +6223,10 @@
       // disable/enable input buttons
       if (button.type == 'input') {
         button.status = state;
-        obj.disabled = !state;
+        obj.disabled = state == 'pas';
+      }
+      else if (button.type == 'uibutton') {
+        $(obj).button('option', 'disabled', state == 'pas');
       }
     }
   };
@@ -6154,8 +6312,7 @@
 
     type = type ? type : 'notice';
 
-    var ref = this,
-      key = this.html_identifier(msg),
+    var key = this.html_identifier(msg),
       date = new Date(),
       id = type + date.getTime();
 
@@ -6284,7 +6441,7 @@
   {
     // forward call to parent window
     if (this.is_framed()) {
-      return parent.rcmail.show_popup_dialog(html, title, buttons);
+      return parent.rcmail.show_popup_dialog(html, title, buttons, options);
     }
 
     var popup = $('<div class="popup">')
@@ -6304,7 +6461,7 @@
 
     popup.dialog('option', {
       height: Math.min(h - 40, height + 75 + (buttons ? 50 : 0)),
-      width: Math.min(w - 20, width + 20)
+      width: Math.min(w - 20, width + 36)
     });
 
     return popup;
@@ -6338,12 +6495,14 @@
   this.mark_folder = function(name, class_name, prefix, encode)
   {
     $(this.get_folder_li(name, prefix, encode)).addClass(class_name);
+    this.triggerEvent('markfolder', {folder: name, mark: class_name, status: true});
   };
 
   // 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);
+    this.triggerEvent('markfolder', {folder: name, mark: class_name, status: false});
   };
 
   // helper method to find a folder list item
@@ -6360,18 +6519,18 @@
 
   // for reordering column array (Konqueror workaround)
   // and for setting some message list global variables
-  this.set_message_coltypes = function(coltypes, repl, smart_col)
+  this.set_message_coltypes = function(listcols, repl, smart_col)
   {
     var list = this.message_list,
       thead = list ? list.thead : null,
-      cell, col, n, len, th, tr;
+      repl, cell, col, n, len, tr;
 
-    this.env.coltypes = coltypes;
+    this.env.listcols = listcols;
 
     // replace old column headers
     if (thead) {
       if (repl) {
-        th = document.createElement('thead');
+        thead.innerHTML = '';
         tr = document.createElement('tr');
 
         for (c=0, len=repl.length; c < len; c++) {
@@ -6381,20 +6540,13 @@
           if (repl[c].className) cell.className = repl[c].className;
           tr.appendChild(cell);
         }
-        th.appendChild(tr);
-        thead.parentNode.replaceChild(th, thead);
-        list.thead = thead = th;
+        thead.appendChild(tr);
       }
 
-      for (n=0, len=this.env.coltypes.length; n<len; n++) {
-        col = this.env.coltypes[n];
+      for (n=0, len=this.env.listcols.length; n<len; n++) {
+        col = this.env.listcols[n];
         if ((cell = thead.rows[0].cells[n]) && (col == 'from' || col == 'to' || col == 'fromto')) {
-          cell.id = 'rcm'+col;
-          $('span,a', cell).text(this.get_label(col == 'fromto' ? smart_col : col));
-          // if we have links for sorting, it's a bit more complicated...
-          $('a', cell).click(function(){
-            return rcmail.command('sort', this.id.replace(/^rcm/, ''), this);
-          });
+          $(cell).attr('rel', col).find('span,a').text(this.get_label(col == 'fromto' ? smart_col : col));
         }
       }
     }
@@ -6403,18 +6555,21 @@
     this.env.flagged_col = null;
     this.env.status_col = null;
 
-    if ((n = $.inArray('subject', this.env.coltypes)) >= 0) {
+    if (this.env.coltypes.folder)
+      this.env.coltypes.folder.hidden = !(this.env.search_request || this.env.search_id) || this.env.search_scope == 'base';
+
+    if ((n = $.inArray('subject', this.env.listcols)) >= 0) {
       this.env.subject_col = n;
       if (list)
         list.subject_col = n;
     }
-    if ((n = $.inArray('flag', this.env.coltypes)) >= 0)
+    if ((n = $.inArray('flag', this.env.listcols)) >= 0)
       this.env.flagged_col = n;
-    if ((n = $.inArray('status', this.env.coltypes)) >= 0)
+    if ((n = $.inArray('status', this.env.listcols)) >= 0)
       this.env.status_col = n;
 
     if (list) {
-      list.hide_column('folder', !(this.env.search_request || this.env.search_id));
+      list.hide_column('folder', (this.env.coltypes.folder && this.env.coltypes.folder.hidden) || $.inArray('folder', this.env.listcols) < 0);
       list.init_header();
     }
   };
@@ -6545,8 +6700,9 @@
 
     // fetch headers only once
     if (!this.gui_objects.all_headers_box.innerHTML) {
-      var lock = this.display_message(this.get_label('loading'), 'loading');
-      this.http_post('headers', {_uid: this.env.uid}, lock);
+      this.http_post('headers', {_uid: this.env.uid, _mbox: this.env.mailbox},
+        this.display_message(this.get_label('loading'), 'loading')
+      );
     }
   };
 
@@ -6639,14 +6795,22 @@
   this.element_position = function(element, obj)
   {
     var obj = $(obj), win = $(window),
-      width = obj.width(),
-      height = obj.height(),
+      width = obj.outerWidth(),
+      height = obj.outerHeight(),
+      menu_pos = obj.data('menu-pos'),
       win_height = win.height(),
       elem_height = $(element).height(),
       elem_width = $(element).width(),
       pos = obj.offset(),
       top = pos.top,
       left = pos.left + width;
+
+    if (menu_pos == 'bottom') {
+      top += height;
+      left -= width;
+    }
+    else
+      left -= 5;
 
     if (top + elem_height > win_height) {
       top -= elem_height - height;
@@ -6667,15 +6831,14 @@
 
   this.html2plain = function(htmlText, id)
   {
-    var rcmail = this,
-      url = '?_task=utils&_action=html2text',
+    var url = '?_task=utils&_action=html2text',
       lock = this.set_busy(true, 'converting');
 
     this.log('HTTP POST: ' + url);
 
     $.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); $('#'+id).val(data); rcmail.log(data); }
+      error: function(o, status, err) { ref.http_error(o, status, err, lock); },
+      success: function(data) { ref.set_busy(false, null, lock); $('#'+id).val(data); ref.log(data); }
     });
   };
 
@@ -6706,13 +6869,13 @@
 
     if (action)
       query._action = action;
-    else
+    else if (this.env.action)
       query._action = this.env.action;
 
     var base = this.env.comm_path, k, param = {};
 
     // overwrite task name
-    if (query._action.match(/([a-z0-9_-]+)\/([a-z0-9-_.]+)/)) {
+    if (action && action.match(/([a-z0-9_-]+)\/([a-z0-9-_.]+)/)) {
       query._action = RegExp.$2;
       base = base.replace(/\_task=[a-z0-9_-]+/, '_task='+RegExp.$1);
     }
@@ -6723,7 +6886,7 @@
         param[k] = query[k];
     }
 
-    return base + '&' + $.param(param) + querystring;
+    return base + (base.indexOf('?') > -1 ? '&' : '?') + $.param(param) + querystring;
   };
 
   this.redirect = function(url, lock)
@@ -6747,7 +6910,7 @@
 
   this.goto_url = function(action, query, lock)
   {
-    this.redirect(this.url(action, query));
+    this.redirect(this.url(action, query), lock);
   };
 
   this.location_href = function(url, target, frame)
@@ -6944,10 +7107,13 @@
         this.env.qsearch = null;
       case 'list':
         if (this.task == 'mail') {
+          var is_multifolder = this.is_multifolder_listing();
           this.enable_command('show', 'select-all', 'select-none', this.env.messagecount > 0);
-          this.enable_command('expunge', this.env.exists);
-          this.enable_command('purge', this.purge_mailbox_test());
-          this.enable_command('expand-all', 'expand-unread', 'collapse-all', this.env.threading && this.env.messagecount);
+          this.enable_command('expunge', this.env.exists && !is_multifolder);
+          this.enable_command('purge', this.purge_mailbox_test() && !is_multifolder);
+          this.enable_command('import-messages', !is_multifolder);
+          this.enable_command('expand-all', 'expand-unread', 'collapse-all', this.env.threading && this.env.messagecount && !is_multifolder);
+          this.enable_command('set-listmode', this.env.threads && !is_multifolder);
 
           if ((response.action == 'list' || response.action == 'search') && this.message_list) {
             this.msglist_select(this.message_list);
@@ -6994,7 +7160,7 @@
     else if (status == 'timeout')
       this.display_message(this.get_label('requesttimedout'), 'error');
     else if (request.status == 0 && status != 'abort')
-      this.display_message(this.get_label('servererror') + ' (No connection)', 'error');
+      this.display_message(this.get_label('connerror'), 'error');
 
     // redirect to url specified in location header if not empty
     var location_url = request.getResponseHeader("Location");
@@ -7052,7 +7218,8 @@
   */
   this.multi_thread_http_request = function(prop)
   {
-    var reqid = new Date().getTime();
+    var i, item, reqid = new Date().getTime(),
+      threads = prop.threads || 1;
 
     prop.reqid = reqid;
     prop.running = 0;
@@ -7067,8 +7234,7 @@
     this.http_request_jobs[reqid] = prop;
 
     // start n threads
-    var item, threads = prop.threads || 1;
-    for (var i=0; i < threads; i++) {
+    for (i=0; i < threads; i++) {
       item = prop._items.shift();
       if (item === undefined)
         break;
@@ -7376,7 +7542,7 @@
     this.env.lastrefresh = new Date();
 
     // plugins should bind to 'requestrefresh' event to add own params
-    this.http_request('refresh', params, lock);
+    this.http_post('refresh', params, lock);
   };
 
   // returns check-recent request parameters
@@ -7572,20 +7738,28 @@
     try {
       window.navigator.registerProtocolHandler('mailto', this.mailto_handler_uri(), name);
     }
-    catch(e) {};
+    catch(e) {
+      this.display_message(String(e), 'error');
+    };
   };
 
   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; });
+    if (!nav || (typeof nav.registerProtocolHandler != 'function')) {
+      $(elem).addClass('disabled').click(function(){ return false; });
+    }
+    else {
+      var status = null;
+      if (typeof nav.isProtocolHandlerRegistered == 'function') {
+        status = nav.isProtocolHandlerRegistered('mailto', this.mailto_handler_uri());
+        if (status)
+          $(elem).parent().find('.mailtoprotohandler-status').html(status);
+      }
+      else {
+        $(elem).click(function() { rcmail.register_protocol_handler(name); return false; });
+      }
+    }
   };
 
   // Checks browser capabilities eg. PDF support, TIF support
@@ -7698,7 +7872,6 @@
   // wrapper for localStorage.getItem(key)
   this.local_storage_get_item = function(key, deflt, encrypted)
   {
-
     // TODO: add encryption
     var item = localStorage.getItem(this.get_local_storage_prefix() + key);
     return item !== null ? JSON.parse(item) : (deflt || null);
@@ -7725,12 +7898,12 @@
 {
   if (!elem.title) {
     var $elem = $(elem);
-    if ($elem.width() + indent * 15 > $elem.parent().width())
+    if ($elem.width() + (indent || 0) * 15 > $elem.parent().width())
       elem.title = $elem.text();
   }
 };
 
-rcube_webmail.long_subject_title_ex = function(elem, indent)
+rcube_webmail.long_subject_title_ex = function(elem)
 {
   if (!elem.title) {
     var $elem = $(elem),
@@ -7742,7 +7915,7 @@
       w = tmp.width();
 
     tmp.remove();
-    if (w + indent * 15 > $elem.width())
+    if (w + $('span.branch', $elem).width() * 15 > $elem.width())
       elem.title = txt;
   }
 };

--
Gitblit v1.9.1