From 0b36d151572e050b51d82e7429fee847ebb33e22 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 20 Nov 2014 06:03:22 -0500
Subject: [PATCH] Add method to display operation (uploading) progress in UI message

---
 program/js/app.js | 1051 ++++++++++++++++++++++++++++++++--------------------------
 1 files changed, 578 insertions(+), 473 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index db9a2ff..fd0d2e1 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -236,8 +236,6 @@
             return ref.command('sort', $(this).attr('rel'), this);
           });
 
-          this.gui_objects.messagelist.parentNode.onclick = function(e){ return ref.click_on_list(e || window.event); };
-
           this.enable_command('toggle_status', 'toggle_flag', 'sort', true);
           this.enable_command('set-listmode', this.env.threads && !this.is_multifolder_listing());
 
@@ -406,8 +404,6 @@
             .addEventListener('dragend', function(e) { ref.drag_end(e); })
             .init();
 
-          this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return ref.click_on_list(e); };
-
           $(this.gui_objects.qsearchbox).focusin(function() { ref.contact_list.blur(); });
 
           this.update_group_commands();
@@ -544,7 +540,7 @@
     // select first input field in an edit form
     if (this.gui_objects.editform)
       $("input,select,textarea", this.gui_objects.editform)
-        .not(':hidden').not(':disabled').first().select();
+        .not(':hidden').not(':disabled').first().select().focus();
 
     // unset contentframe variable if preview_pane is enabled
     if (this.env.contentframe && !$('#' + this.env.contentframe).is(':visible'))
@@ -560,13 +556,14 @@
 
     // show message
     if (this.pending_message)
-      this.display_message(this.pending_message[0], this.pending_message[1], this.pending_message[2]);
+      this.display_message.apply(this, this.pending_message);
 
     // init treelist widget
     if (this.gui_objects.folderlist && window.rcube_treelist_widget) {
       this.treelist = new rcube_treelist_widget(this.gui_objects.folderlist, {
           selectable: true,
           id_prefix: 'rcmli',
+          parent_focus: true,
           id_encode: this.html_identifier_encode,
           id_decode: this.html_identifier_decode,
           check_droptarget: function(node) { return !node.virtual && ref.check_droptarget(node.id) }
@@ -658,17 +655,18 @@
 
       // remove copy from local storage if compose screen is left intentionally
       this.remove_compose_data(this.env.compose_id);
+      this.compose_skip_unsavedcheck = true;
     }
 
     this.last_command = command;
 
     // process external commands
     if (typeof this.command_handlers[command] === 'function') {
-      ret = this.command_handlers[command](props, obj);
+      ret = this.command_handlers[command](props, obj, event);
       return ret !== undefined ? ret : (obj ? false : true);
     }
     else if (typeof this.command_handlers[command] === 'string') {
-      ret = window[this.command_handlers[command]](props, obj);
+      ret = window[this.command_handlers[command]](props, obj, event);
       return ret !== undefined ? ret : (obj ? false : true);
     }
 
@@ -719,6 +717,7 @@
 
           if (win) {
             this.save_compose_form_local();
+            this.compose_skip_unsavedcheck = true;
             $("input[name='_action']", form).val('compose');
             form.action = this.url('mail/compose', { _id: this.env.compose_id, _extwin: 1 });
             form.target = win.name;
@@ -1054,7 +1053,7 @@
         if (this.task == 'mail') {
           url._mbox = this.env.mailbox;
           if (props)
-             url._to = props;
+            url._to = props;
           // also send search request so we can go back to search result after message is sent
           if (this.env.search_request)
             url._search = this.env.search_request;
@@ -1082,8 +1081,12 @@
             break;
           }
         }
-        else if (props)
+        else if (props && typeof props == 'string') {
           url._to = props;
+        }
+        else if (props && typeof props == 'object') {
+          $.extend(url, props);
+        }
 
         this.open_compose_step(url);
         break;
@@ -1402,7 +1405,7 @@
 
     if (task == 'mail')
       url += '&_mbox=INBOX';
-    else if (task == 'logout')
+    else if (task == 'logout' && !this.env.server_error)
       this.clear_compose_data();
 
     this.redirect(url);
@@ -1449,7 +1452,7 @@
 
   this.is_framed = function()
   {
-    return (this.env.framed && parent.rcmail && parent.rcmail != this && parent.rcmail.command);
+    return this.env.framed && parent.rcmail && parent.rcmail != this && typeof parent.rcmail.command == 'function';
   };
 
   this.save_pref = function(prop)
@@ -1657,7 +1660,7 @@
         }
         skip = obj.data('parent');
       }
-    }, 10);
+    }, 10, e);
   };
 
   // global keypress event handler
@@ -1711,19 +1714,6 @@
 
     return true;
   }
-
-  this.click_on_list = function(e)
-  {
-    if (this.gui_objects.qsearchbox)
-      this.gui_objects.qsearchbox.blur();
-
-    if (this.message_list)
-      this.message_list.focus(e);
-    else if (this.contact_list)
-      this.contact_list.focus(e);
-
-    return true;
-  };
 
   this.msglist_select = function(list)
   {
@@ -1855,9 +1845,6 @@
         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;
 
       case 'addressbook':
         var target;
@@ -2495,7 +2482,7 @@
   // expand all threads with unread children
   this.expand_unread = function()
   {
-    var r, tbody = this.gui_objects.messagelist.tBodies[0],
+    var r, tbody = this.message_list.tbody,
       new_row = tbody.firstChild;
 
     while (new_row) {
@@ -3332,7 +3319,7 @@
     if (!this.gui_objects.messageform)
       return false;
 
-    var i, input_from = $("[name='_from']"),
+    var i, pos, input_from = $("[name='_from']"),
       input_to = $("[name='_to']"),
       input_subject = $("input[name='_subject']"),
       input_message = $("[name='_message']").get(0),
@@ -3366,72 +3353,24 @@
     }
 
     if (!html_mode) {
-      this.set_caret_pos(input_message, this.env.top_posting ? 0 : $(input_message).val().length);
+      pos = this.env.top_posting ? 0 : input_message.value.length;
+      this.set_caret_pos(input_message, pos);
+
       // add signature according to selected identity
       // if we have HTML editor, signature is added in callback
       if (input_from.prop('type') == 'select-one') {
         this.change_identity(input_from[0]);
       }
+
+      // scroll to the bottom of the textarea (#1490114)
+      if (pos) {
+        $(input_message).scrollTop(input_message.scrollHeight);
+      }
     }
 
     // check for locally stored compose data
-    if (window.localStorage) {
-      var key, formdata, index = this.local_storage_get_item('compose.index', []);
-
-      for (i = 0; i < index.length; i++) {
-        key = index[i];
-        formdata = this.local_storage_get_item('compose.' + key, null, true);
-        if (!formdata) {
-          continue;
-        }
-        // restore saved copy of current compose_id
-        if (formdata.changed && key == this.env.compose_id) {
-          this.restore_compose_form(key, html_mode);
-          break;
-        }
-        // 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
-        if (formdata.changed && formdata.session != this.env.session_id) {
-          this.show_popup_dialog(
-            this.get_label('restoresavedcomposedata')
-              .replace('$date', new Date(formdata.changed).toLocaleString())
-              .replace('$subject', formdata._subject)
-              .replace(/\n/g, '<br/>'),
-            this.get_label('restoremessage'),
-            [{
-              text: this.get_label('restore'),
-              click: function(){
-                ref.restore_compose_form(key, html_mode);
-                ref.remove_compose_data(key);  // remove old copy
-                ref.save_compose_form_local();  // save under current compose_id
-                $(this).dialog('close');
-              }
-            },
-            {
-              text: this.get_label('delete'),
-              click: function(){
-                ref.remove_compose_data(key);
-                $(this).dialog('close');
-              }
-            },
-            {
-              text: this.get_label('ignore'),
-              click: function(){
-                $(this).dialog('close');
-              }
-            }]
-          );
-          break;
-        }
-      }
-    }
+    if (this.env.save_localstorage)
+      this.compose_restore_dialog(0, html_mode)
 
     if (input_to.val() == '')
       input_to.focus();
@@ -3448,6 +3387,72 @@
     // start the auto-save timer
     this.auto_save_start();
   };
+
+  this.compose_restore_dialog = function(j, html_mode)
+  {
+    var i, key, formdata, index = this.local_storage_get_item('compose.index', []);
+
+    var show_next = function(i) {
+      if (++i < index.length)
+        ref.compose_restore_dialog(i, html_mode)
+    }
+
+    for (i = j || 0; i < index.length; i++) {
+      key = index[i];
+      formdata = this.local_storage_get_item('compose.' + key, null, true);
+      if (!formdata) {
+        continue;
+      }
+      // restore saved copy of current compose_id
+      if (formdata.changed && key == this.env.compose_id) {
+        this.restore_compose_form(key, html_mode);
+        break;
+      }
+      // 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
+      if (formdata.changed && formdata.session != this.env.session_id) {
+        this.show_popup_dialog(
+          this.get_label('restoresavedcomposedata')
+            .replace('$date', new Date(formdata.changed).toLocaleString())
+            .replace('$subject', formdata._subject)
+            .replace(/\n/g, '<br/>'),
+          this.get_label('restoremessage'),
+          [{
+            text: this.get_label('restore'),
+            click: function(){
+              ref.restore_compose_form(key, html_mode);
+              ref.remove_compose_data(key);  // remove old copy
+              ref.save_compose_form_local();  // save under current compose_id
+              $(this).dialog('close');
+            }
+          },
+          {
+            text: this.get_label('delete'),
+            click: function(){
+              ref.remove_compose_data(key);
+              $(this).dialog('close');
+              show_next(i);
+            }
+          },
+          {
+            text: this.get_label('ignore'),
+            click: function(){
+              $(this).dialog('close');
+              show_next(i);
+            }
+          }]
+        );
+        break;
+      }
+    }
+  }
 
   this.init_address_input_events = function(obj, props)
   {
@@ -3477,6 +3482,7 @@
     form._draft.value = draft ? '1' : '';
     form.action = this.add_url(form.action, '_unlock', msgid);
     form.action = this.add_url(form.action, '_lang', lang);
+    form.action = this.add_url(form.action, '_framed', 1);
 
     // register timer to notify about connection timeout
     this.submit_timer = setTimeout(function(){
@@ -3618,11 +3624,15 @@
   this.toggle_editor = function(props, obj, e)
   {
     // @todo: this should work also with many editors on page
-    var result = this.editor.toggle(props.html);
+    var result = this.editor.toggle(props.html, props.noconvert || false);
+
+    // satisfy the expectations of aftertoggle-editor event subscribers
+    props.mode = props.html ? 'html' : 'plain';
 
     if (!result && e) {
       // fix selector value if operation failed
-      $(e.target).filter('select').val(props.html ? 'plain' : 'html');
+      props.mode = props.html ? 'plain' : 'html';
+      $(e.target).filter('select').val(props.mode);
     }
 
     if (result) {
@@ -3649,7 +3659,7 @@
   this.save_response = function()
   {
     // show dialog to enter a name and to modify the text to be saved
-    var buttons = {}, text = this.editor.get_content(true, true),
+    var buttons = {}, text = this.editor.get_content({selection: true, format: 'text', nosig: true}),
       html = '<form class="propform">' +
       '<div class="prop block"><label>' + this.get_label('responsename') + '</label>' +
       '<input type="text" name="name" id="ffresponsename" size="40" /></div>' +
@@ -3725,10 +3735,7 @@
     // submit delete request
     if (key && confirm(this.get_label('deleteresponseconfirm'))) {
       this.http_post('settings/delete-response', { _key: key }, false);
-      return true;
     }
-
-    return false;
   };
 
   // updates spellchecker buttons on state change
@@ -3785,6 +3792,7 @@
 
     // always remove local copy upon saving as draft
     this.remove_compose_data(this.env.compose_id);
+    this.compose_skip_unsavedcheck = false;
   };
 
   this.auto_save_start = function()
@@ -3798,7 +3806,7 @@
     }
 
     // save compose form content to local storage every 5 seconds
-    if (!this.local_save_timer && window.localStorage) {
+    if (!this.local_save_timer && window.localStorage && this.env.save_localstorage) {
       // track typing activity and only save on changes
       this.compose_type_activity = this.compose_type_activity_last = 0;
       $(document).bind('keypress', function(e){ ref.compose_type_activity++; });
@@ -3809,6 +3817,21 @@
           ref.compose_type_activity_last = ref.compose_type_activity;
         }
       }, 5000);
+
+      $(window).unload(function() {
+        // remove copy from local storage if compose screen is left after warning
+        if (!ref.env.server_error)
+          ref.remove_compose_data(ref.env.compose_id);
+      });
+    }
+
+    // check for unsaved changes before leaving the compose page
+    if (!window.onbeforeunload) {
+      window.onbeforeunload = function() {
+        if (!ref.compose_skip_unsavedcheck && ref.cmp_hash != ref.compose_field_hash()) {
+          return ref.get_label('notsentwarning');
+        }
+      };
     }
 
     // Unlock interface now that saving is complete
@@ -3824,7 +3847,7 @@
       if (val = $('[name="_' + hash_fields[i] + '"]').val())
         str += val + ':';
 
-    str += this.editor.get_content();
+    str += this.editor.get_content({refresh: false});
 
     if (this.env.attachments)
       for (id in this.env.attachments)
@@ -3839,6 +3862,10 @@
   // store the contents of the compose form to localstorage
   this.save_compose_form_local = function()
   {
+    // feature is disabled
+    if (!this.env.save_localstorage)
+      return;
+
     var formdata = { session:this.env.session_id, changed:new Date().getTime() },
       ed, empty = true;
 
@@ -3875,15 +3902,16 @@
       }
     });
 
-    if (window.localStorage && !empty) {
+    if (!empty) {
       var index = this.local_storage_get_item('compose.index', []),
         key = this.env.compose_id;
 
-        if ($.inArray(key, index) < 0) {
-          index.push(key);
-        }
-        this.local_storage_set_item('compose.' + key, formdata, true);
-        this.local_storage_set_item('compose.index', index);
+      if ($.inArray(key, index) < 0) {
+        index.push(key);
+      }
+
+      this.local_storage_set_item('compose.' + key, formdata, true);
+      this.local_storage_set_item('compose.index', index);
     }
   };
 
@@ -3907,7 +3935,7 @@
 
       // initialize HTML editor
       if ((formdata._is_html == '1' && !html_mode) || (formdata._is_html != '1' && html_mode)) {
-        this.command('toggle-editor', {id: this.env.composebody, html: !html_mode});
+        this.command('toggle-editor', {id: this.env.composebody, html: !html_mode, noconvert: true});
       }
     }
   };
@@ -3915,27 +3943,24 @@
   // remove stored compose data from localStorage
   this.remove_compose_data = function(key)
   {
-    if (window.localStorage) {
-      var index = this.local_storage_get_item('compose.index', []);
+    var index = this.local_storage_get_item('compose.index', []);
 
-      if ($.inArray(key, index) >= 0) {
-        this.local_storage_remove_item('compose.' + key);
-        this.local_storage_set_item('compose.index', $.grep(index, function(val,i) { return val != key; }));
-      }
+    if ($.inArray(key, index) >= 0) {
+      this.local_storage_remove_item('compose.' + key);
+      this.local_storage_set_item('compose.index', $.grep(index, function(val,i) { return val != key; }));
     }
   };
 
   // clear all stored compose data of this user
   this.clear_compose_data = function()
   {
-    if (window.localStorage) {
-      var i, index = this.local_storage_get_item('compose.index', []);
+    var i, index = this.local_storage_get_item('compose.index', []);
 
-      for (i=0; i < index.length; i++) {
-        this.local_storage_remove_item('compose.' + index[i]);
-      }
-      this.local_storage_remove_item('compose.index');
+    for (i=0; i < index.length; i++) {
+      this.local_storage_remove_item('compose.' + index[i]);
     }
+
+    this.local_storage_remove_item('compose.index');
   };
 
 
@@ -3947,6 +3972,19 @@
     if (!show_sig)
       show_sig = this.env.show_sig;
 
+    var id = obj.options[obj.selectedIndex].value,
+      sig = this.env.identity,
+      delim = this.env.recipients_separator,
+      rx_delim = RegExp.escape(delim);
+
+    // enable manual signature insert
+    if (this.env.signatures && this.env.signatures[id]) {
+      this.enable_command('insert-sig', true);
+      this.env.compose_commands.push('insert-sig');
+    }
+    else
+      this.enable_command('insert-sig', false);
+
     // first function execution
     if (!this.env.identities_initialized) {
       this.env.identities_initialized = true;
@@ -3956,18 +3994,11 @@
         return;
     }
 
-    var i, rx,
-      id = obj.options[obj.selectedIndex].value,
-      sig = this.env.identity,
-      delim = this.env.recipients_separator,
-      rx_delim = RegExp.escape(delim),
-      headers = ['replyto', 'bcc'];
-
     // update reply-to/bcc fields with addresses defined in identities
-    for (i in headers) {
-      var key = headers[i],
-        old_val = sig && this.env.identities[sig] ? this.env.identities[sig][key] : '',
-        new_val = id && this.env.identities[id] ? this.env.identities[id][key] : '',
+    $.each(['replyto', 'bcc'], function() {
+      var rx, key = this,
+        old_val = sig && ref.env.identities[sig] ? ref.env.identities[sig][key] : '',
+        new_val = id && ref.env.identities[id] ? ref.env.identities[id][key] : '',
         input = $('[name="_'+key+'"]'), input_val = input.val();
 
       // remove old address(es)
@@ -3994,15 +4025,7 @@
 
       if (old_val || new_val)
         input.val(input_val).change();
-    }
-
-    // enable manual signature insert
-    if (this.env.signatures && this.env.signatures[id]) {
-      this.enable_command('insert-sig', true);
-      this.env.compose_commands.push('insert-sig');
-    }
-    else
-      this.enable_command('insert-sig', false);
+    });
 
     this.editor.change_signature(id, show_sig);
     this.env.identity = id;
@@ -4312,6 +4335,7 @@
   this.sent_successfully = function(type, msg, folders)
   {
     this.display_message(msg, type);
+    this.compose_skip_unsavedcheck = true;
 
     if (this.env.extwin) {
       this.lock_form(this.gui_objects.messageform);
@@ -4432,7 +4456,7 @@
     this.ksearch_destroy();
 
     // insert all members of a group
-    if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].type == 'group') {
+    if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].type == 'group' && !this.env.contacts[id].email) {
       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);
@@ -4549,10 +4573,6 @@
       this.ksearch_pane = $('<div>').attr('id', 'rcmKSearchpane').attr('role', 'listbox')
         .css({ position:'absolute', 'z-index':30000 }).append(ul).appendTo(document.body);
       this.ksearch_pane.__ul = ul[0];
-
-      // register (delegate) event handlers
-      ul.on('mouseover', 'li', function(e){ ref.ksearch_select(e.target); })
-        .on('mouseup', 'li', function(e){ ref.ksearch_click(e.target); })
     }
 
     ul = this.ksearch_pane.__ul;
@@ -4575,14 +4595,16 @@
     // add each result line to list
     if (results && (len = results.length)) {
       for (i=0; i < len && maxlen > 0; i++) {
-        text = typeof results[i] === 'object' ? results[i].name : results[i];
+        text = typeof results[i] === 'object' ? (results[i].display || results[i].name) : results[i];
         type = typeof results[i] === 'object' ? results[i].type : '';
         id = i + this.env.contacts.length;
         $('<li>').attr('id', 'rcmkSearchItem' + id)
           .attr('role', 'option')
-          .html(this.quote_html(text.replace(new RegExp('('+RegExp.escape(value)+')', 'ig'), '##$1%%')).replace(/##([^%]+)%%/g, '<b>$1</b>'))
+          .html('<i class="icon"></i>' + this.quote_html(text.replace(new RegExp('('+RegExp.escape(value)+')', 'ig'), '##$1%%')).replace(/##([^%]+)%%/g, '<b>$1</b>'))
           .addClass(type || '')
           .appendTo(ul)
+          .mouseover(function() { ref.ksearch_select(this); })
+          .mouseup(function() { ref.ksearch_click(this); })
           .get(0)._rcm_id = id;
         maxlen -= 1;
       }
@@ -4682,7 +4704,7 @@
       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
-    if (id = list.get_single_selection())
+    if (this.env.contentframe && (id = list.get_single_selection()))
       this.preview_timer = setTimeout(function(){ ref.load_contact(id, 'show'); }, 200);
     else if (this.env.contentframe)
       this.show_contentframe(false);
@@ -4734,6 +4756,7 @@
   this.list_contacts = function(src, group, page)
   {
     var win, folder, url = {},
+      refresh = src === undefined && group === undefined && page === undefined,
       target = window;
 
     if (!src)
@@ -4746,7 +4769,7 @@
       page = this.env.current_page = 1;
       this.reset_qsearch();
     }
-    else if (group != this.env.group)
+    else if (!refresh && group != this.env.group)
       page = this.env.current_page = 1;
 
     if (this.env.search_id)
@@ -4884,6 +4907,9 @@
     if (action && (cid || action == 'add') && !this.drag_active) {
       if (this.env.group)
         url._gid = this.env.group;
+
+      if (this.env.search_request)
+        url._search = this.env.search_request;
 
       url._action = action;
       url._source = this.env.source;
@@ -5138,29 +5164,55 @@
         .submit(function() { $('input.mainaction').click(); return false; });
   };
 
+  // group creation dialog
   this.group_create = function()
   {
-    this.add_input_row('contactgroup');
+    var input = $('<input>').attr('type', 'text'),
+      content = $('<label>').text(this.get_label('namex')).append(input);
+
+    this.show_popup_dialog(content, this.get_label('newgroup'),
+      [{
+        text: this.get_label('save'),
+        click: function() {
+          var name;
+
+          if (name = input.val()) {
+            ref.http_post('group-create', {_source: ref.env.source, _name: name},
+              ref.set_busy(true, 'loading'));
+          }
+
+          $(this).dialog('close');
+        }
+      }]
+    );
   };
 
+  // group rename dialog
   this.group_rename = function()
   {
-    if (!this.env.group || !this.gui_objects.folderlist)
+    if (!this.env.group)
       return;
 
-    if (!this.name_input) {
-      this.enable_command('list', 'listgroup', false);
-      this.name_input = $('<input>').attr('type', 'text').val(this.env.contactgroups['G'+this.env.source+this.env.group].name);
-      this.name_input.bind('keydown', function(e) { return ref.add_input_keydown(e); });
-      this.env.group_renaming = true;
+    var group_name = this.env.contactgroups['G' + this.env.source + this.env.group].name,
+      input = $('<input>').attr('type', 'text').val(group_name),
+      content = $('<label>').text(this.get_label('namex')).append(input);
 
-      var link, li = this.get_folder_li('G'+this.env.source+this.env.group,'',true);
-      if (li && (link = li.firstChild)) {
-        $(link).hide().before(this.name_input);
-      }
-    }
+    this.show_popup_dialog(content, this.get_label('grouprename'),
+      [{
+        text: this.get_label('save'),
+        click: function() {
+          var name;
 
-    this.name_input.select().focus();
+          if ((name = input.val()) && name != group_name) {
+            ref.http_post('group-rename', {_source: ref.env.source, _gid: ref.env.group, _name: name},
+              ref.set_busy(true, 'loading'));
+          }
+
+          $(this).dialog('close');
+        }
+      }],
+      {open: function() { input.select(); }}
+    );
   };
 
   this.group_delete = function()
@@ -5185,38 +5237,6 @@
     this.list_contacts(prop.source, 0);
   };
 
-  // @TODO: maybe it would be better to use popup instead of inserting input to the list?
-  this.add_input_row = function(type)
-  {
-    if (!this.gui_objects.folderlist)
-      return;
-
-    if (!this.name_input) {
-      this.name_input = $('<input>').attr('type', 'text').data('tt', type);
-      this.name_input.bind('keydown', function(e) { return ref.add_input_keydown(e); });
-      this.name_input_li = $('<li>').addClass(type).append(this.name_input);
-
-      var ul, li;
-
-      // find list (UL) element
-      if (type == 'contactsearch')
-        ul = this.gui_objects.savedsearchlist;
-      else
-        ul = $('ul.groups', this.get_folder_li(this.env.source,'',true));
-
-      // append to the list
-      li = $('li:last', ul);
-      if (li.length)
-        this.name_input_li.insertAfter(li);
-      else {
-        this.name_input_li.appendTo(ul);
-        ul.show(); // make sure the list is visible
-      }
-    }
-
-    this.name_input.select().focus();
-  };
-
   //remove selected contacts from current active group
   this.group_remove_selected = function()
   {
@@ -5236,62 +5256,9 @@
     }
   };
 
-  // handler for keyboard events on the input field
-  this.add_input_keydown = function(e)
-  {
-    var key = rcube_event.get_keycode(e),
-      input = $(e.target), itype = input.data('tt');
-
-    // enter
-    if (key == 13) {
-      var newname = input.val();
-
-      if (newname) {
-        var lock = this.set_busy(true, 'loading');
-
-        if (itype == 'contactsearch')
-          this.http_post('search-create', {_search: this.env.search_request, _name: newname}, lock);
-        else if (this.env.group_renaming)
-          this.http_post('group-rename', {_source: this.env.source, _gid: this.env.group, _name: newname}, lock);
-        else
-          this.http_post('group-create', {_source: this.env.source, _name: newname}, lock);
-      }
-      return false;
-    }
-    // escape
-    else if (key == 27)
-      this.reset_add_input();
-
-    return true;
-  };
-
-  this.reset_add_input = function()
-  {
-    if (this.name_input) {
-      var li = this.name_input.parent();
-      if (this.env.group_renaming) {
-        li.children().last().show();
-        this.env.group_renaming = false;
-      }
-      else if ($('li', li.parent()).length == 1)
-        li.parent().hide();
-
-      this.name_input.remove();
-
-      if (this.name_input_li)
-        this.name_input_li.remove();
-
-      this.name_input = this.name_input_li = null;
-    }
-
-    this.enable_command('list', 'listgroup', true);
-  };
-
   // callback for creating a new contact group
   this.insert_contact_group = function(prop)
   {
-    this.reset_add_input();
-
     prop.type = 'group';
 
     var key = 'G'+prop.source+prop.id,
@@ -5309,8 +5276,6 @@
   // callback for renaming a contact group
   this.update_contact_group = function(prop)
   {
-    this.reset_add_input();
-
     var key = 'G'+prop.source+prop.id,
       newnode = {};
 
@@ -5574,8 +5539,6 @@
   // callback for creating a new saved search record
   this.insert_saved_search = function(name, id)
   {
-    this.reset_add_input();
-
     var key = 'S'+id,
       link = $('<a>').attr('href', '#')
         .attr('rel', id)
@@ -5591,10 +5554,27 @@
     this.triggerEvent('abook_search_insert', prop);
   };
 
-  // creates an input for saved search name
+  // creates a dialog for saved search
   this.search_create = function()
   {
-    this.add_input_row('contactsearch');
+    var input = $('<input>').attr('type', 'text'),
+      content = $('<label>').text(this.get_label('namex')).append(input);
+
+    this.show_popup_dialog(content, this.get_label('searchsave'),
+      [{
+        text: this.get_label('save'),
+        click: function() {
+          var name;
+
+          if (name = input.val()) {
+            ref.http_post('search-create', {_search: ref.env.search_request, _name: name},
+              ref.set_busy(true, 'loading'));
+          }
+
+          $(this).dialog('close');
+        }
+      }]
+    );
   };
 
   this.search_delete = function()
@@ -5705,10 +5685,8 @@
       id = this.env.iid ? this.env.iid : selection[0];
 
     // 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;
+    if (id && confirm(this.get_label('deleteidentityconfirm')))
+      this.http_post('settings/delete-identity', { _iid: id }, true);
   };
 
   this.update_identity_row = function(id, name, add)
@@ -5752,6 +5730,23 @@
         frame.location.href = this.env.blankpage;
       }
     }
+
+    this.enable_command('delete', false);
+  };
+
+  this.remove_identity = function(id)
+  {
+    var frame, list = this.identity_list,
+      rid = this.html_identifier(id);
+
+    if (list && id) {
+      list.remove_row(rid);
+      if (this.env.contentframe && (frame = this.get_frame_window(this.env.contentframe))) {
+        frame.location.href = this.env.blankpage;
+      }
+    }
+
+    this.enable_command('delete', false);
   };
 
 
@@ -5765,64 +5760,57 @@
 
     this.last_sub_rx = RegExp('['+delim+']?[^'+delim+']+$');
 
-    this.subscription_list = new rcube_list_widget(this.gui_objects.subscriptionlist,
-      {multiselect:false, draggable:true, keyboard:true, toggleselect:true});
+    this.subscription_list = new rcube_treelist_widget(this.gui_objects.subscriptionlist, {
+        selectable: true,
+        tabexit: false,
+        parent_focus: true,
+        id_prefix: 'rcmli',
+        id_encode: this.html_identifier_encode,
+        id_decode: this.html_identifier_decode,
+        searchbox: '#foldersearch'
+    });
+
     this.subscription_list
-      .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() { ref.focus_subscription(row.id); };
-        row.obj.onmouseout = function() { ref.unfocus_subscription(row.id); };
-      })
-      .init()
-      .focus();
+      .addEventListener('select', function(node) { ref.subscription_select(node.id); })
+      .addEventListener('collapse', function(node) { ref.folder_collapsed(node) })
+      .addEventListener('expand', function(node) { ref.folder_collapsed(node) })
+      .addEventListener('search', function(p) { if (p.query) ref.subscription_select(); })
+      .draggable({cancel: 'li.mailbox.root'})
+      .droppable({
+        // @todo: find better way, accept callback is executed for every folder
+        // on the list when dragging starts (and stops), this is slow, but
+        // I didn't find a method to check droptarget on over event
+        accept: function(node) {
+          var source_folder = ref.folder_id2name($(node).attr('id')),
+            dest_folder = ref.folder_id2name(this.id),
+            source = ref.env.subscriptionrows[source_folder],
+            dest = ref.env.subscriptionrows[dest_folder];
 
-    $('#mailboxroot')
-      .mouseover(function(){ ref.focus_subscription(this.id); })
-      .mouseout(function(){ ref.unfocus_subscription(this.id); })
-  };
+          return source && !source[2]
+            && dest_folder != source_folder.replace(ref.last_sub_rx, '')
+            && !dest_folder.startsWith(source_folder + ref.env.delimiter);
+        },
+        drop: function(e, ui) {
+          var source = ref.folder_id2name(ui.draggable.attr('id')),
+            dest = ref.folder_id2name(this.id);
 
-  this.focus_subscription = function(id)
-  {
-    var row, folder;
-
-    if (this.drag_active && this.env.mailbox && (row = document.getElementById(id)))
-      if (this.env.subscriptionrows[id] &&
-          (folder = this.env.subscriptionrows[id][0]) !== null
-      ) {
-        if (this.check_droptarget(folder) &&
-            !this.env.subscriptionrows[this.get_folder_row_id(this.env.mailbox)][2] &&
-            folder != this.env.mailbox.replace(this.last_sub_rx, '') &&
-            !folder.startsWith(this.env.mailbox + this.env.delimiter)
-        ) {
-          this.env.dstfolder = folder;
-          $(row).addClass('droptarget');
+          ref.subscription_move_folder(source, dest);
         }
-      }
+      });
   };
 
-  this.unfocus_subscription = function(id)
+  this.folder_id2name = function(id)
   {
-    var row = $('#'+id);
-
-    this.env.dstfolder = null;
-
-    if (row.length && this.env.subscriptionrows[id])
-      row.removeClass('droptarget');
-    else
-      $(this.subscription_list.frame).removeClass('droptarget');
+    return ref.html_identifier_decode(id.replace(/^rcmli/, ''));
   };
 
-  this.subscription_select = function(list)
+  this.subscription_select = function(id)
   {
-    var id, folder;
+    var folder;
 
-    if (list && (id = list.get_single_selection()) &&
-        (folder = this.env.subscriptionrows['rcmrow'+id])
-    ) {
-      this.env.mailbox = folder[0];
-      this.show_folder(folder[0]);
+    if (id && id != '*' && (folder = this.env.subscriptionrows[id])) {
+      this.env.mailbox = id;
+      this.show_folder(id);
       this.enable_command('delete-folder', !folder[2]);
     }
     else {
@@ -5832,24 +5820,18 @@
     }
   };
 
-  this.subscription_move_folder = function(list)
+  this.subscription_move_folder = function(from, to)
   {
-    if (this.env.mailbox && this.env.dstfolder !== null &&
-        this.env.dstfolder != this.env.mailbox &&
-        this.env.dstfolder != this.env.mailbox.replace(this.last_sub_rx, '')
-    ) {
-      var path = this.env.mailbox.split(this.env.delimiter),
+    if (from && to !== null && from != to && to != from.replace(this.last_sub_rx, '')) {
+      var path = from.split(this.env.delimiter),
         basename = path.pop(),
-        newname = this.env.dstfolder === '' ? basename : this.env.dstfolder + this.env.delimiter + basename;
+        newname = to === '' || to === '*' ? basename : to + this.env.delimiter + basename;
 
-      if (newname != this.env.mailbox) {
-        this.http_post('rename-folder', {_folder_oldname: this.env.mailbox, _folder_newname: newname}, this.set_busy(true, 'foldermoving'));
-        this.subscription_list.draglayer.hide();
+      if (newname != from) {
+        this.http_post('rename-folder', {_folder_oldname: from, _folder_newname: newname},
+          this.set_busy(true, 'foldermoving'));
       }
     }
-
-    this.drag_active = false;
-    this.unfocus_subscription(this.get_folder_row_id(this.env.dstfolder));
   };
 
   // tell server to create and subscribe a new mailbox
@@ -5861,51 +5843,61 @@
   // delete a specific mailbox with all its messages
   this.delete_folder = function(name)
   {
-    var id = this.get_folder_row_id(name ? name : this.env.mailbox),
-      folder = this.env.subscriptionrows[id][0];
+    if (!name)
+      name = this.env.mailbox;
 
-    if (folder && confirm(this.get_label('deletefolderconfirm'))) {
-      var lock = this.set_busy(true, 'folderdeleting');
-      this.http_post('delete-folder', {_mbox: folder}, lock);
+    if (name && confirm(this.get_label('deletefolderconfirm'))) {
+      this.http_post('delete-folder', {_mbox: name}, this.set_busy(true, 'folderdeleting'));
     }
   };
 
   // Add folder row to the table and initialize it
-  this.add_folder_row = function (name, display_name, is_protected, subscribed, skip_init, class_name)
+  this.add_folder_row = function (id, name, display_name, is_protected, subscribed, class_name, refrow, subfolders)
   {
     if (!this.gui_objects.subscriptionlist)
       return false;
 
-    var row, n, tmp, tmp_name, rowid, collator,
-      folders = [], list = [], slist = [],
-      tbody = this.gui_objects.subscriptionlist.tBodies[0],
-      refrow = $('tr', tbody).get(1),
-      id = 'rcmrow'+((new Date).getTime());
+    // reset searching
+    if (this.subscription_list.is_search()) {
+      this.subscription_select();
+      this.subscription_list.reset_search();
+    }
 
-    if (!refrow) {
+    // disable drag-n-drop temporarily
+    this.subscription_list.draggable('destroy').droppable('destroy');
+
+    var row, n, tmp, tmp_name, rowid, collator, pos, p, parent = '',
+      folders = [], list = [], slist = [],
+      list_element = $(this.gui_objects.subscriptionlist);
+      row = refrow ? refrow : $($('li', list_element).get(1)).clone(true);
+
+    if (!row.length) {
       // Refresh page if we don't have a table row to clone
       this.goto_url('folders');
       return false;
     }
 
-    // clone a table row if there are existing rows
-    row = $(refrow).clone(true);
-
     // set ID, reset css class
-    row.attr({id: id, 'class': class_name});
+    row.attr({id: 'rcmli' + this.html_identifier_encode(id), 'class': class_name});
+
+    if (!refrow || !refrow.length) {
+      // remove old data, subfolders and toggle
+      $('ul,div.treetoggle', row).remove();
+      row.removeData('filtered');
+    }
 
     // set folder name
-    row.find('td:first').html(display_name);
+    $('a:first', row).text(display_name);
 
     // update subscription checkbox
-    $('input[name="_subscribed[]"]', row).val(name)
+    $('input[name="_subscribed[]"]:first', row).val(id)
       .prop({checked: subscribed ? true : false, disabled: is_protected ? true : false});
 
     // add to folder/row-ID map
     this.env.subscriptionrows[id] = [name, display_name, false];
 
     // copy folders data to an array for sorting
-    $.each(this.env.subscriptionrows, function(k, v) { folders.push(v); });
+    $.each(this.env.subscriptionrows, function(k, v) { v[3] = k; folders.push(v); });
 
     try {
       // use collator if supported (FF29, IE11, Opera15, Chrome24)
@@ -5917,65 +5909,108 @@
     folders.sort(function(a, b) {
       var i, f1, f2,
         path1 = a[0].split(ref.env.delimiter),
-        path2 = b[0].split(ref.env.delimiter);
+        path2 = b[0].split(ref.env.delimiter),
+        len = path1.length;
 
-      for (i=0; i<path1.length; i++) {
+      for (i=0; i<len; i++) {
         f1 = path1[i];
         f2 = path2[i];
 
         if (f1 !== f2) {
+          if (f2 === undefined)
+            return 1;
           if (collator)
             return collator.compare(f1, f2);
           else
             return f1 < f2 ? -1 : 1;
         }
+        else if (i == len-1) {
+          return -1
+        }
       }
     });
 
     for (n in folders) {
+      p = folders[n][3];
       // protected folder
       if (folders[n][2]) {
-        tmp_name = folders[n][0] + this.env.delimiter;
+        tmp_name = p + this.env.delimiter;
         // prefix namespace cannot have subfolders (#1488349)
         if (tmp_name == this.env.prefix_ns)
           continue;
-        slist.push(folders[n][0]);
+        slist.push(p);
         tmp = tmp_name;
       }
       // protected folder's child
-      else if (tmp && folders[n][0].startsWith(tmp))
-        slist.push(folders[n][0]);
+      else if (tmp && p.startsWith(tmp))
+        slist.push(p);
       // other
       else {
-        list.push(folders[n][0]);
+        list.push(p);
         tmp = null;
       }
     }
 
     // check if subfolder of a protected folder
     for (n=0; n<slist.length; n++) {
-      if (name.startsWith(slist[n] + this.env.delimiter))
-        rowid = this.get_folder_row_id(slist[n]);
+      if (id.startsWith(slist[n] + this.env.delimiter))
+        rowid = slist[n];
     }
 
     // find folder position after sorting
     for (n=0; !rowid && n<list.length; n++) {
-      if (n && list[n] == name)
-        rowid = this.get_folder_row_id(list[n-1]);
+      if (n && list[n] == id)
+        rowid = list[n-1];
     }
 
     // add row to the table
-    if (rowid)
-      $('#'+rowid).after(row);
-    else
-      row.appendTo(tbody);
+    if (rowid && (n = this.subscription_list.get_item(rowid, true))) {
+      // find parent folder
+      if (pos = id.lastIndexOf(this.env.delimiter)) {
+        parent = id.substring(0, pos);
+        parent = this.subscription_list.get_item(parent, true);
+
+        // add required tree elements to the parent if not already there
+        if (!$('div.treetoggle', parent).length) {
+          $('<div>&nbsp;</div>').addClass('treetoggle collapsed').appendTo(parent);
+        }
+        if (!$('ul', parent).length) {
+          $('<ul>').css('display', 'none').appendTo(parent);
+        }
+      }
+
+      if (parent && n == parent) {
+        $('ul:first', parent).append(row);
+      }
+      else {
+        while (p = $(n).parent().parent().get(0)) {
+          if (parent && p == parent)
+            break;
+          if (!$(p).is('li.mailbox'))
+            break;
+          n = p;
+        }
+
+        $(n).after(row);
+      }
+    }
+    else {
+      list_element.append(row);
+    }
+
+    // add subfolders
+    $.extend(this.env.subscriptionrows, subfolders || {});
 
     // update list widget
-    this.subscription_list.clear_selection();
-    if (!skip_init)
-      this.init_subscription_list();
+    this.subscription_list.reset(true);
+    this.subscription_select();
 
-    row = row.get(0);
+    // expand parent
+    if (parent) {
+      this.subscription_list.expand(this.folder_id2name(parent.id));
+    }
+
+    row = row.show().get(0);
     if (row.scrollIntoView)
       row.scrollIntoView();
 
@@ -5983,114 +6018,85 @@
   };
 
   // replace an existing table row with a new folder line (with subfolders)
-  this.replace_folder_row = function(oldfolder, newfolder, display_name, is_protected, class_name)
+  this.replace_folder_row = function(oldid, id, name, display_name, is_protected, class_name)
   {
     if (!this.gui_objects.subscriptionlist) {
-      if (this.is_framed)
-        return parent.rcmail.replace_folder_row(oldfolder, newfolder, display_name, is_protected, class_name);
+      if (this.is_framed()) {
+        // @FIXME: for some reason this 'parent' variable need to be prefixed with 'window.'
+        return window.parent.rcmail.replace_folder_row(oldid, id, name, display_name, is_protected, class_name);
+      }
+
       return false;
     }
 
-    var i, n, len, name, dispname, oldrow, tmprow, row, level,
-      tbody = this.gui_objects.subscriptionlist.tBodies[0],
-      folders = this.env.subscriptionrows,
-      id = this.get_folder_row_id(oldfolder),
-      prefix_len = oldfolder.length,
-      subscribed = $('input[name="_subscribed[]"]', $('#'+id)).prop('checked'),
-      // find subfolders of renamed folder
-      list = this.get_subfolders(oldfolder);
+    // reset searching
+    if (this.subscription_list.is_search()) {
+      this.subscription_select();
+      this.subscription_list.reset_search();
+    }
+
+    var subfolders = {},
+      row = this.subscription_list.get_item(oldid, true),
+      parent = $(row).parent(),
+      old_folder = this.env.subscriptionrows[oldid],
+      prefix_len_id = oldid.length,
+      prefix_len_name = old_folder[0].length,
+      subscribed = $('input[name="_subscribed[]"]:first', row).prop('checked');
 
     // no renaming, only update class_name
-    if (oldfolder == newfolder) {
-      $('#'+id).attr('class', class_name || '');
-      this.subscription_list.focus();
+    if (oldid == id) {
+      $(row).attr('class', class_name || '');
       return;
     }
 
-    // replace an existing table row
-    this._remove_folder_row(id);
-    row = $(this.add_folder_row(newfolder, display_name, is_protected, subscribed, true, class_name));
+    // update subfolders
+    $('li', row).each(function() {
+      var fname = ref.folder_id2name(this.id),
+        folder = ref.env.subscriptionrows[fname],
+        newid = id + fname.slice(prefix_len_id);
 
-    // detect tree depth change
-    if (len = list.length) {
-      level = (oldfolder.split(this.env.delimiter)).length - (newfolder.split(this.env.delimiter)).length;
+      this.id = 'rcmli' + ref.html_identifier_encode(newid);
+      $('input[name="_subscribed[]"]:first', this).val(newid);
+      folder[0] = name + folder[0].slice(prefix_len_name);
+
+      subfolders[newid] = folder;
+      delete ref.env.subscriptionrows[fname];
+    });
+
+    // get row off the list
+    row = $(row).detach();
+
+    delete this.env.subscriptionrows[oldid];
+
+    // remove parent list/toggle elements if not needed
+    if (parent.get(0) != this.gui_objects.subscriptionlist && !$('li', parent).length) {
+      $('ul,div.treetoggle', parent.parent()).remove();
     }
 
-    // move subfolders to the new branch
-    for (n=0; n<len; n++) {
-      id = list[n];
-      name = this.env.subscriptionrows[id][0];
-      dispname = this.env.subscriptionrows[id][1];
-      oldrow = $('#'+id);
-      tmprow = oldrow.clone(true);
-      oldrow.remove();
-      row.after(tmprow);
-      row = tmprow;
-      // update folder index
-      name = newfolder + name.slice(prefix_len);
-      $('input[name="_subscribed[]"]', row).val(name);
-      this.env.subscriptionrows[id][0] = name;
-      // update the name if level is changed
-      if (level != 0) {
-        if (level > 0) {
-          for (i=level; i>0; i--)
-            dispname = dispname.replace(/^&nbsp;&nbsp;&nbsp;&nbsp;/, '');
-        }
-        else {
-          for (i=level; i<0; i++)
-            dispname = '&nbsp;&nbsp;&nbsp;&nbsp;' + dispname;
-        }
-        row.find('td:first').html(dispname);
-        this.env.subscriptionrows[id][1] = dispname;
-      }
-    }
-
-    // update list widget
-    this.init_subscription_list();
+    // move the existing table row
+    this.add_folder_row(id, name, display_name, is_protected, subscribed, class_name, row, subfolders);
   };
 
   // remove the table row of a specific mailbox from the table
-  this.remove_folder_row = function(folder, subs)
+  this.remove_folder_row = function(folder)
   {
-    var n, len, list = [], id = this.get_folder_row_id(folder);
-
-    // get subfolders if any
-    if (subs)
-      list = this.get_subfolders(folder);
-
-    // remove old row
-    this._remove_folder_row(id);
-
-    // remove subfolders
-    for (n=0, len=list.length; n<len; n++)
-      this._remove_folder_row(list[n]);
-  };
-
-  this._remove_folder_row = function(id)
-  {
-    this.subscription_list.remove_row(id.replace(/^rcmrow/, ''));
-    $('#'+id).remove();
-    delete this.env.subscriptionrows[id];
-  };
-
-  this.get_subfolders = function(folder)
-  {
-    var name, list = [],
-      prefix = folder + this.env.delimiter,
-      row = $('#'+this.get_folder_row_id(folder)).get(0);
-
-    while (row = row.nextSibling) {
-      if (row.id) {
-        name = this.env.subscriptionrows[row.id][0];
-        if (name && name.startsWith(prefix)) {
-          list.push(row.id);
-        }
-        else
-          break;
-      }
+    // reset searching
+    if (this.subscription_list.is_search()) {
+      this.subscription_select();
+      this.subscription_list.reset_search();
     }
 
-    return list;
+    var list = [], row = this.subscription_list.get_item(folder, true);
+
+    // get subfolders if any
+    $('li', row).each(function() { list.push(ref.folder_id2name(this.id)); });
+
+    // remove folder row (and subfolders)
+    this.subscription_list.remove(folder);
+
+    // update local list variable
+    list.push(folder);
+    $.each(list, function(i, v) { delete ref.env.subscriptionrows[v]; });
   };
 
   this.subscribe = function(folder)
@@ -6107,15 +6113,6 @@
       var lock = this.display_message(this.get_label('folderunsubscribing'), 'loading');
       this.http_post('unsubscribe', {_mbox: folder}, lock);
     }
-  };
-
-  // helper method to find a specific mailbox row ID
-  this.get_folder_row_id = function(folder)
-  {
-    var id, folders = this.env.subscriptionrows;
-    for (id in folders)
-      if (folders[id] && folders[id][0] == folder)
-        return id;
   };
 
   // when user select a folder in manager
@@ -6141,9 +6138,9 @@
   // disables subscription checkbox (for protected folder)
   this.disable_subscription = function(folder)
   {
-    var id = this.get_folder_row_id(folder);
-    if (id)
-      $('input[name="_subscribed[]"]', $('#'+id)).prop('disabled', true);
+    var row = this.subscription_list.get_item(folder, true);
+    if (row)
+      $('input[name="_subscribed[]"]:first', row).prop('disabled', true);
   };
 
   this.folder_size = function(folder)
@@ -6157,6 +6154,37 @@
     $('#folder-size').replaceWith(size);
   };
 
+  // filter folders by namespace
+  this.folder_filter = function(prefix)
+  {
+    this.subscription_list.reset_search();
+
+    this.subscription_list.container.children('li').each(function() {
+      var i, folder = ref.folder_id2name(this.id);
+      // show all folders
+      if (prefix == '---') {
+      }
+      // got namespace prefix
+      else if (prefix) {
+        if (folder !== prefix) {
+          $(this).data('filtered', true).hide();
+          return
+        }
+      }
+      // no namespace prefix, filter out all other namespaces
+      else {
+        // first get all namespace roots
+        for (i in ref.env.ns_roots) {
+          if (folder === ref.env.ns_roots[i]) {
+            $(this).data('filtered', true).hide();
+            return;
+          }
+        }
+      }
+
+      $(this).removeData('filtered').show();
+    });
+  };
 
   /*********************************************************/
   /*********           GUI functionality           *********/
@@ -6319,7 +6347,7 @@
   };
 
   // display a system message, list of types in common.css (below #message definition)
-  this.display_message = function(msg, type, timeout)
+  this.display_message = function(msg, type, timeout, key)
   {
     // pass command to parent window
     if (this.is_framed())
@@ -6328,18 +6356,34 @@
     if (!this.gui_objects.message) {
       // save message in order to display after page loaded
       if (type != 'loading')
-        this.pending_message = [msg, type, timeout];
+        this.pending_message = [msg, type, timeout, key];
       return 1;
     }
 
-    type = type ? type : 'notice';
+    if (!type)
+      type = 'notice';
 
-    var key = this.html_identifier(msg),
-      date = new Date(),
+    if (!key)
+      key = this.html_identifier(msg);
+
+    var date = new Date(),
       id = type + date.getTime();
 
-    if (!timeout)
-      timeout = this.message_time * (type == 'error' || type == 'warning' ? 2 : 1);
+    if (!timeout) {
+      switch (type) {
+        case 'error':
+        case 'warning':
+          timeout = this.message_time * 2;
+          break;
+
+        case 'uploading':
+          timeout = 0;
+          break;
+
+        default:
+          timeout = this.message_time;
+      }
+    }
 
     if (type == 'loading') {
       key = 'loading';
@@ -6372,7 +6416,7 @@
     if (type == 'loading') {
       this.messages[key].labels = [{'id': id, 'msg': msg}];
     }
-    else {
+    else if (type != 'uploading') {
       obj.click(function() { return ref.hide_message(obj); })
         .attr('role', 'alert');
     }
@@ -6381,6 +6425,7 @@
 
     if (timeout > 0)
       setTimeout(function() { ref.hide_message(id, type != 'loading'); }, timeout);
+
     return id;
   };
 
@@ -6459,23 +6504,57 @@
     this.messages = {};
   };
 
+  // display uploading message with progress indicator
+  // data should contain: name, total, current, percent, text
+  this.display_progress = function(data)
+  {
+    if (!data || !data.name)
+      return;
+
+    var msg = this.messages['progress' + data.name];
+
+    if (!data.label)
+      data.label = this.get_label('uploadingmany');
+
+    if (!msg) {
+      if (!data.percent || data.percent < 100)
+        this.display_message(data.label, 'uploading', 0, 'progress' + data.name);
+      return;
+    }
+
+    if (!data.total || data.percent >= 100) {
+      this.hide_message(msg.obj);
+      return;
+    }
+
+    if (data.text)
+      data.label += ' ' + data.text;
+
+    msg.obj.text(data.label);
+  };
+
   // open a jquery UI dialog with the given content
-  this.show_popup_dialog = function(html, title, buttons, options)
+  this.show_popup_dialog = function(content, title, buttons, options)
   {
     // forward call to parent window
     if (this.is_framed()) {
-      return parent.rcmail.show_popup_dialog(html, title, buttons, options);
+      return parent.rcmail.show_popup_dialog(content, title, buttons, options);
     }
 
-    var popup = $('<div class="popup">')
-      .html(html)
-      .dialog($.extend({
+    var popup = $('<div class="popup">');
+
+    if (typeof content == 'object')
+      popup.append(content);
+    else
+      popup.html(content);
+
+    popup.dialog($.extend({
         title: title,
         buttons: buttons,
         modal: true,
         resizable: true,
         width: 500,
-        close: function(event, ui) { $(this).remove() }
+        close: function(event, ui) { $(this).remove(); }
       }, options || {}));
 
     // resize and center popup
@@ -6880,7 +6959,7 @@
       // truncate stack down to the one containing the ref link
       for (var i = this.menu_stack.length - 1; stack && i >= 0; i--) {
         if (!$(ref).parents('#'+this.menu_stack[i]).length)
-          this.hide_menu(this.menu_stack[i]);
+          this.hide_menu(this.menu_stack[i], event);
       }
       if (stack && this.menu_stack.length) {
         obj.data('parent', $.last(this.menu_stack));
@@ -7401,6 +7480,7 @@
     // save message in local storage and do not redirect
     if (this.env.action == 'compose') {
       this.save_compose_form_local();
+      this.compose_skip_unsavedcheck = true;
     }
     else if (redirect_url) {
       setTimeout(function(){ ref.redirect(redirect_url, true); }, 2000);
@@ -7803,13 +7883,17 @@
   // and return the message uid
   this.get_single_uid = function()
   {
-    return this.env.uid ? this.env.uid : (this.message_list ? this.message_list.get_single_selection() : null);
+    var uid = this.env.uid || (this.message_list ? this.message_list.get_single_selection() : null);
+    var result = ref.triggerEvent('get_single_uid', { uid: uid });
+    return result || uid;
   };
 
   // same as above but for contacts
   this.get_single_cid = function()
   {
-    return this.env.cid ? this.env.cid : (this.contact_list ? this.contact_list.get_single_selection() : null);
+    var cid = this.env.cid || (this.contact_list ? this.contact_list.get_single_selection() : null);
+    var result = ref.triggerEvent('get_single_cid', { cid: cid });
+    return result || cid;
   };
 
   // get the IMP mailbox of the message with the given UID
@@ -8018,22 +8102,43 @@
   // wrapper for localStorage.getItem(key)
   this.local_storage_get_item = function(key, deflt, encrypted)
   {
+    var item;
+
     // TODO: add encryption
-    var item = localStorage.getItem(this.get_local_storage_prefix() + key);
+    try {
+      item = localStorage.getItem(this.get_local_storage_prefix() + key);
+    }
+    catch (e) { }
+
     return item !== null ? JSON.parse(item) : (deflt || null);
   };
 
   // wrapper for localStorage.setItem(key, data)
   this.local_storage_set_item = function(key, data, encrypted)
   {
-    // TODO: add encryption
-    return localStorage.setItem(this.get_local_storage_prefix() + key, JSON.stringify(data));
+    // try/catch to handle no localStorage support, but also error
+    // in Safari-in-private-browsing-mode where localStorage exists
+    // but can't be used (#1489996)
+    try {
+      // TODO: add encryption
+      localStorage.setItem(this.get_local_storage_prefix() + key, JSON.stringify(data));
+      return true;
+    }
+    catch (e) {
+      return false;
+    }
   };
 
   // wrapper for localStorage.removeItem(key)
   this.local_storage_remove_item = function(key)
   {
-    return localStorage.removeItem(this.get_local_storage_prefix() + key);
+    try {
+      localStorage.removeItem(this.get_local_storage_prefix() + key);
+      return true;
+    }
+    catch (e) {
+      return false;
+    }
   };
 }  // end object rcube_webmail
 

--
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