From fd0c123e44391aa01a85c5aeebbd0cea418f0808 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 08 Dec 2013 04:57:44 -0500
Subject: [PATCH] Fix fixed header issue after removing rows (1295420)

---
 program/js/app.js |  475 ++++++++++++++++++++++++++++++++++++++++++----------------
 1 files changed, 343 insertions(+), 132 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 750bf1e..398417a 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -34,7 +34,7 @@
 
   // webmail client settings
   this.dblclick_time = 500;
-  this.message_time = 4000;
+  this.message_time = 5000;
   this.identifier_expr = new RegExp('[^0-9a-z\-_]', 'gi');
 
   // environment defaults
@@ -218,12 +218,8 @@
 
           // load messages
           this.command('list');
-        }
 
-        if (this.gui_objects.qsearchbox) {
-          if (this.env.search_text != null)
-            this.gui_objects.qsearchbox.value = this.env.search_text;
-          $(this.gui_objects.qsearchbox).focusin(function() { rcmail.message_list && rcmail.message_list.blur(); });
+          $(this.gui_objects.qsearchbox).val(this.env.search_text).focusin(function() { rcmail.message_list.blur(); });
         }
 
         this.set_button_titles();
@@ -285,10 +281,10 @@
                 return rcube_event.cancel(e);
               });
 
-              // avoid textarea loosing focus when hitting the save-response button/link
-              for (var i=0; this.buttons['save-response'] && i < this.buttons['save-response'].length; i++) {
-                $('#'+this.buttons['save-response'][i].id).mousedown(function(e){ return rcube_event.cancel(e); })
-              }
+            // avoid textarea loosing focus when hitting the save-response button/link
+            for (var i=0; this.buttons['save-response'] && i < this.buttons['save-response'].length; i++) {
+              $('#'+this.buttons['save-response'][i].id).mousedown(function(e){ return rcube_event.cancel(e); })
+            }
           }
 
           document.onmouseup = function(e){ return p.doc_mouse_up(e); };
@@ -351,7 +347,7 @@
           this.env.contactfolders = $.extend($.extend({}, this.env.address_sources), this.env.contactgroups);
 
         this.enable_command('add', 'import', this.env.writable_source);
-        this.enable_command('list', 'listgroup', 'pushgroup', 'popgroup', 'listsearch', 'advanced-search', true);
+        this.enable_command('list', 'listgroup', 'pushgroup', 'popgroup', 'listsearch', 'search', 'reset-search', 'advanced-search', true);
 
         if (this.gui_objects.contactslist) {
           this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
@@ -369,8 +365,8 @@
 
           this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return p.click_on_list(e); };
           document.onmouseup = function(e){ return p.doc_mouse_up(e); };
-          if (this.gui_objects.qsearchbox)
-            $(this.gui_objects.qsearchbox).focusin(function() { rcmail.contact_list.blur(); });
+
+          $(this.gui_objects.qsearchbox).focusin(function() { rcmail.contact_list.blur(); });
 
           this.update_group_commands();
           this.command('list');
@@ -394,9 +390,6 @@
               this.init_contact_form();
         }
 
-        if (this.gui_objects.qsearchbox)
-          this.enable_command('search', 'reset-search', true);
-
         break;
 
       case 'settings':
@@ -408,9 +401,6 @@
         else if (this.env.action == 'edit-identity' || this.env.action == 'add-identity') {
           this.enable_command('save', 'edit', 'toggle-editor', true);
           this.enable_command('delete', this.env.identities_level < 2);
-
-          if (this.env.action == 'add-identity')
-            $("input[type='text']").first().select();
         }
         else if (this.env.action == 'folders') {
           this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', true);
@@ -419,7 +409,6 @@
           this.enable_command('save', 'folder-size', true);
           parent.rcmail.env.exists = this.env.messagecount;
           parent.rcmail.enable_command('purge', this.env.messagecount);
-          $("input[type='text']").first().select();
         }
         else if (this.env.action == 'responses') {
           this.enable_command('add', true);
@@ -445,7 +434,7 @@
         }
         else if (this.gui_objects.responseslist) {
           this.responses_list = new rcube_list_widget(this.gui_objects.responseslist, {multiselect:false, draggable:false, keyboard:false});
-          this.responses_list.addEventListener('select', function(list){
+          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))) {
@@ -488,6 +477,11 @@
         this.enable_command('login', true);
         break;
     }
+
+    // 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();
 
     // unset contentframe variable if preview_pane is enabled
     if (this.env.contentframe && !$('#' + this.env.contentframe).is(':visible'))
@@ -584,9 +578,12 @@
     }
 
     // check input before leaving compose step
-    if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands)<0) {
+    if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands) < 0 && !this.env.server_error) {
       if (this.cmp_hash != this.compose_field_hash() && !confirm(this.get_label('notsentwarning')))
         return false;
+
+      // remove copy from local storage if compose screen is left intentionally
+      this.remove_compose_data(this.env.compose_id);
     }
 
     // process external commands
@@ -621,10 +618,10 @@
         break;
 
       // commands to switch task
+      case 'logout':
       case 'mail':
       case 'addressbook':
       case 'settings':
-      case 'logout':
         this.switch_task(command);
         break;
 
@@ -644,6 +641,7 @@
           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;
@@ -1065,7 +1063,7 @@
           url = {_reply_uid: uid, _mbox: this.env.mailbox};
           if (command == 'reply-all')
             // do reply-list, when list is detected and popup menu wasn't used
-            url._all = (!props && this.commands['reply-list'] ? 'list' : 'all');
+            url._all = (!props && this.env.reply_all_mode == 1 && this.commands['reply-list'] ? 'list' : 'all');
           else if (command == 'reply-list')
             url._all = 'list';
 
@@ -1298,8 +1296,10 @@
       return;
 
     var url = this.get_task_url(task);
-    if (task=='mail')
+    if (task == 'mail')
       url += '&_mbox=INBOX';
+    else if (task == 'logout')
+      this.clear_compose_data();
 
     this.redirect(url);
   };
@@ -1474,7 +1474,7 @@
 
       // select the folder if one of its childs is currently selected
       // don't select if it's virtual (#1488346)
-      if (this.env.mailbox && this.env.mailbox.indexOf(name + this.env.delimiter) == 0 && !node.virtual)
+      if (this.env.mailbox && this.env.mailbox.startsWith(name + this.env.delimiter) && !node.virtual)
         this.command('list', name);
     }
     else {
@@ -1655,8 +1655,8 @@
     this.env.coltypes = [];
 
     for (i=0; i<cols.length; i++)
-      if (cols[i].id && cols[i].id.match(/^rcm/)) {
-        name = cols[i].id.replace(/^rcm/, '');
+      if (cols[i].id && cols[i].id.startsWith('rcm')) {
+        name = cols[i].id.slice(3);
         this.env.coltypes.push(name);
       }
 
@@ -1706,7 +1706,7 @@
     url += (url.match(/\?/) ? '&' : '?') + '_extwin=1';
 
     if (this.env.standard_windows)
-      extwin = window.open(url, wname);
+      var extwin = window.open(url, wname);
     else {
       var win = this.is_framed() ? parent.window : window,
         page = $(win),
@@ -1726,8 +1726,11 @@
       extwin.document.write('<html><body>' + this.get_label('loading') + '</body></html>');
     }
 
+    // allow plugins to grab the window reference (#1489413)
+    this.triggerEvent('openwindow', { url:url, handle:extwin });
+
     // focus window, delayed to bring to front
-    window.setTimeout(function() { extwin.focus(); }, 10);
+    window.setTimeout(function() { extwin && extwin.focus(); }, 10);
 
     return extwin;
   };
@@ -2062,12 +2065,14 @@
 
     if (name && (frame = this.get_frame_element(name))) {
       if (!show && (win = this.get_frame_window(name))) {
-        if (win.stop)
-          win.stop();
-        else // IE
-          win.document.execCommand('Stop');
+        if (win.location.href.indexOf(this.env.blankpage) < 0) {
+          if (win.stop)
+            win.stop();
+          else // IE
+            win.document.execCommand('Stop');
 
-        win.location.href = this.env.blankpage;
+          win.location.href = this.env.blankpage;
+        }
       }
       else if (!bw.safari && !bw.konq)
         $(frame)[show ? 'show' : 'hide']();
@@ -2778,7 +2783,7 @@
       data._search = this.env.search_request;
 
     if (this.env.display_next && this.env.next_uid)
-      post_data._next_uid = this.env.next_uid;
+      data._next_uid = this.env.next_uid;
 
     return data;
   };
@@ -3030,9 +3035,12 @@
   // test if purge command is allowed
   this.purge_mailbox_test = function()
   {
-    return (this.env.exists && (this.env.mailbox == this.env.trash_mailbox || this.env.mailbox == this.env.junk_mailbox
-      || this.env.mailbox.match('^' + RegExp.escape(this.env.trash_mailbox) + RegExp.escape(this.env.delimiter))
-      || this.env.mailbox.match('^' + RegExp.escape(this.env.junk_mailbox) + RegExp.escape(this.env.delimiter))));
+    return (this.env.exists && (
+      this.env.mailbox == this.env.trash_mailbox
+      || this.env.mailbox == this.env.junk_mailbox
+      || this.env.mailbox.startsWith(this.env.trash_mailbox + this.env.delimiter)
+      || this.env.mailbox.startsWith(this.env.junk_mailbox + this.env.delimiter)
+    ));
   };
 
 
@@ -3118,6 +3126,60 @@
       }
     }
 
+    // check for locally stored compose data
+    if (window.localStorage) {
+      var index = this.local_storage_get_item('compose.index', []);
+
+      for (var key, 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;
+        }
+        // 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 (input_to.val() == '')
       input_to.focus();
     else if (input_subject.val() == '')
@@ -3138,7 +3200,7 @@
   {
     this.env.recipients_delimiter = this.env.recipients_separator + ' ';
 
-    obj[bw.ie || bw.safari || bw.chrome ? 'keydown' : 'keypress'](function(e) { return ref.ksearch_keydown(e, this, props); })
+    obj.keydown(function(e) { return ref.ksearch_keydown(e, this, props); })
       .attr('autocomplete', 'off');
   };
 
@@ -3555,12 +3617,28 @@
 
     this.env.draft_id = id;
     $("input[name='_draft_saveid']").val(id);
+
+    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);
+
+    // save compose form content to local storage every 5 seconds
+    if (!this.local_save_timer && window.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++; });
+
+      this.local_save_timer = setInterval(function(){
+        if (ref.compose_type_activity > ref.compose_type_activity_last) {
+          ref.save_compose_form_local();
+          ref.compose_type_activity_last = ref.compose_type_activity;
+        }
+      }, 5000);
+    }
 
     // Unlock interface now that saving is complete
     this.busy = false;
@@ -3589,6 +3667,115 @@
 
     return str;
   };
+
+  // store the contents of the compose form to localstorage
+  this.save_compose_form_local = function()
+  {
+    var formdata = { session:this.env.session_id, changed:new Date().getTime() },
+      ed, empty = true;
+
+    // get fresh content from editor
+    if (window.tinyMCE && (ed = tinyMCE.get(this.env.composebody))) {
+      tinyMCE.triggerSave();
+    }
+
+    if (this.env.draft_id) {
+      formdata.draft_id = this.env.draft_id;
+    }
+
+    $('input, select, textarea', this.gui_objects.messageform).each(function(i, elem) {
+      switch (elem.tagName.toLowerCase()) {
+        case 'input':
+          if (elem.type == 'button' || elem.type == 'submit' || (elem.type == 'hidden' && elem.name != '_is_html')) {
+            break;
+          }
+          formdata[elem.name] = elem.type != 'checkbox' || elem.checked ? $(elem).val() : '';
+
+          if (formdata[elem.name] != '' && elem.type != 'hidden')
+            empty = false;
+          break;
+
+        case 'select':
+          formdata[elem.name] = $('option:checked', elem).val();
+          break;
+
+        default:
+          formdata[elem.name] = $(elem).val();
+          if (formdata[elem.name] != '')
+            empty = false;
+      }
+    });
+
+    if (window.localStorage && !empty) {
+      var index = this.local_storage_get_item('compose.index', []),
+        key = this.env.compose_id;
+
+        if ($.inArray(key, index) < 0) {
+          index.push(key);
+        }
+        this.local_storage_set_item('compose.' + key, formdata, true);
+        this.local_storage_set_item('compose.index', index);
+    }
+  };
+
+  // write stored compose data back to form
+  this.restore_compose_form = function(key, html_mode)
+  {
+    var ed, formdata = this.local_storage_get_item('compose.' + key, true);
+
+    if (formdata && typeof formdata == 'object') {
+      $.each(formdata, function(k, value) {
+        if (k[0] == '_') {
+          var elem = $("*[name='"+k+"']");
+          if (elem[0] && elem[0].type == 'checkbox') {
+            elem.prop('checked', value != '');
+          }
+          else {
+            elem.val(value);
+          }
+        }
+      });
+
+      // initialize HTML editor
+      if (formdata._is_html == '1') {
+        if (!html_mode) {
+          tinyMCE.execCommand('mceAddControl', false, this.env.composebody);
+          this.triggerEvent('aftertoggle-editor', { mode:'html' });
+        }
+      }
+      else if (html_mode) {
+        tinyMCE.execCommand('mceRemoveControl', false, this.env.composebody);
+        this.triggerEvent('aftertoggle-editor', { mode:'plain' });
+      }
+    }
+  };
+
+  // remove stored compose data from localStorage
+  this.remove_compose_data = function(key)
+  {
+    if (window.localStorage) {
+      var index = this.local_storage_get_item('compose.index', []);
+
+      if ($.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; }));
+      }
+    }
+  };
+
+  // clear all stored compose data of this user
+  this.clear_compose_data = function()
+  {
+    if (window.localStorage) {
+      var index = this.local_storage_get_item('compose.index', []);
+
+      for (var i=0; i < index.length; i++) {
+        this.local_storage_remove_item('compose.' + index[i]);
+      }
+      this.local_storage_remove_item('compose.index');
+    }
+  }
+
 
   this.change_identity = function(obj, show_sig)
   {
@@ -4022,7 +4209,7 @@
       case 38:  // arrow up
       case 40:  // arrow down
         if (!this.ksearch_visible())
-          break;
+          return;
 
         var dir = key==38 ? 1 : 0;
 
@@ -4057,8 +4244,7 @@
 
       case 37:  // left
       case 39:  // right
-        if (mod != SHIFT_KEY)
-          return;
+        return;
     }
 
     // start timer
@@ -4121,8 +4307,10 @@
     if (this.ksearch_input.setSelectionRange)
       this.ksearch_input.setSelectionRange(cpos, cpos);
 
-    if (trigger)
+    if (trigger) {
       this.triggerEvent('autocomplete_insert', { field:this.ksearch_input, insert:insert });
+      this.compose_type_activity++;
+    }
   };
 
   this.replace_group_recipients = function(id, recipients)
@@ -4131,6 +4319,7 @@
       this.group2expand[id].input.value = this.group2expand[id].input.value.replace(this.group2expand[id].name, recipients);
       this.triggerEvent('autocomplete_insert', { field:this.group2expand[id].input, insert:recipients });
       this.group2expand[id] = null;
+      this.compose_type_activity++;
     }
   };
 
@@ -4177,7 +4366,7 @@
       return;
 
     // ...new search value contains old one and previous search was not finished or its result was empty
-    if (old_value && old_value.length && q.indexOf(old_value) == 0 && (!ac || ac.num <= 0) && this.env.contacts && !this.env.contacts.length)
+    if (old_value && old_value.length && q.startsWith(old_value) && (!ac || ac.num <= 0) && this.env.contacts && !this.env.contacts.length)
       return;
 
     var i, lock, source, xhr, reqid = new Date().getTime(),
@@ -4815,8 +5004,6 @@
       $('input.datepicker').datepicker();
     }
 
-    $("input[type='text']:visible").first().focus();
-
     // Submit search form on Enter
     if (this.env.action == 'search')
       $(this.gui_objects.editform).append($('<input type="submit">').hide())
@@ -5358,9 +5545,8 @@
       target = win;
     }
 
-    if (action && (id || action == 'add-identity')) {
-      this.set_busy(true);
-      this.location_href(url, target);
+    if (id || action == 'add-identity') {
+      this.location_href(url, target, true);
     }
 
     return true;
@@ -5433,7 +5619,10 @@
 
   this.init_subscription_list = function()
   {
-    var p = this;
+    var p = this, 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); });
@@ -5444,6 +5633,7 @@
       row.obj.onmouseout = function() { p.unfocus_subscription(row.id); };
     };
     this.subscription_list.init();
+
     $('#mailboxroot')
       .mouseover(function(){ p.focus_subscription(this.id); })
       .mouseout(function(){ p.unfocus_subscription(this.id); })
@@ -5451,9 +5641,7 @@
 
   this.focus_subscription = function(id)
   {
-    var row, folder,
-      delim = RegExp.escape(this.env.delimiter),
-      reg = RegExp('['+delim+']?[^'+delim+']+$');
+    var row, folder;
 
     if (this.drag_active && this.env.mailbox && (row = document.getElementById(id)))
       if (this.env.subscriptionrows[id] &&
@@ -5461,8 +5649,8 @@
       ) {
         if (this.check_droptarget(folder) &&
             !this.env.subscriptionrows[this.get_folder_row_id(this.env.mailbox)][2] &&
-            (folder != this.env.mailbox.replace(reg, '')) &&
-            (!folder.match(new RegExp('^'+RegExp.escape(this.env.mailbox+this.env.delimiter))))
+            folder != this.env.mailbox.replace(this.last_sub_rx, '') &&
+            !folder.startsWith(this.env.mailbox + this.env.delimiter)
         ) {
           this.env.dstfolder = folder;
           $(row).addClass('droptarget');
@@ -5475,7 +5663,8 @@
     var row = $('#'+id);
 
     this.env.dstfolder = null;
-    if (this.env.subscriptionrows[id] && row[0])
+
+    if (this.env.subscriptionrows[id] && row.length)
       row.removeClass('droptarget');
     else
       $(this.subscription_list.frame).removeClass('droptarget');
@@ -5501,21 +5690,20 @@
 
   this.subscription_move_folder = function(list)
   {
-    var delim = RegExp.escape(this.env.delimiter),
-      reg = RegExp('['+delim+']?[^'+delim+']+$');
-
-    if (this.env.mailbox && this.env.dstfolder !== null && (this.env.dstfolder != this.env.mailbox) &&
-        (this.env.dstfolder != this.env.mailbox.replace(reg, ''))
+    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, '')
     ) {
-      reg = new RegExp('[^'+delim+']*['+delim+']', 'g');
-      var basename = this.env.mailbox.replace(reg, ''),
-        newname = this.env.dstfolder === '' ? basename : this.env.dstfolder+this.env.delimiter+basename;
+      var path = this.env.mailbox.split(this.env.delimiter),
+        basename = path.pop(),
+        newname = this.env.dstfolder === '' ? basename : this.env.dstfolder + 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();
       }
     }
+
     this.drag_active = false;
     this.unfocus_subscription(this.get_folder_row_id(this.env.dstfolder));
   };
@@ -5544,7 +5732,7 @@
     if (!this.gui_objects.subscriptionlist)
       return false;
 
-    var row, n, i, tmp, tmp_name, folders, rowid, list = [], slist = [],
+    var row, n, i, tmp, tmp_name, rowid, folders = [], list = [], slist = [],
       tbody = this.gui_objects.subscriptionlist.tBodies[0],
       refrow = $('tr', tbody).get(1),
       id = 'rcmrow'+((new Date).getTime());
@@ -5559,8 +5747,7 @@
     row = $(refrow).clone(true);
 
     // set ID, reset css class
-    row.attr('id', id);
-    row.attr('class', class_name);
+    row.attr({id: id, 'class': class_name});
 
     // set folder name
     row.find('td:first').html(display_name);
@@ -5572,10 +5759,21 @@
     // add to folder/row-ID map
     this.env.subscriptionrows[id] = [name, display_name, 0];
 
-    // sort folders, to find a place where to insert the row
-    folders = [];
-    $.each(this.env.subscriptionrows, function(k,v){ folders.push(v) });
-    folders.sort(function(a,b){ return a[0] < b[0] ? -1 : (a[0] > b[0] ? 1 : 0) });
+    // sort folders (to find a place where to insert the row)
+    // replace delimiter with \0 character to fix sorting
+    // issue where 'Abc Abc' would be placed before 'Abc/def'
+    var replace_from = RegExp(RegExp.escape(this.env.delimiter), 'g'),
+      replace_to = String.fromCharCode(0);
+    $.each(this.env.subscriptionrows, function(k,v) {
+      var n = v[0];
+      n = n.replace(replace_from, replace_to);
+      v.push(n);
+      folders.push(v);
+    });
+    folders.sort(function(a, b) {
+      var len = a.length - 1; n1 = a[len], n2 = b[len];
+      return n1 < n2 ? -1 : 1;
+    });
 
     for (n in folders) {
       // protected folder
@@ -5588,7 +5786,7 @@
         tmp = tmp_name;
       }
       // protected folder's child
-      else if (tmp && folders[n][0].indexOf(tmp) == 0)
+      else if (tmp && folders[n][0].startsWith(tmp))
         slist.push(folders[n][0]);
       // other
       else {
@@ -5599,7 +5797,7 @@
 
     // check if subfolder of a protected folder
     for (n=0; n<slist.length; n++) {
-      if (name.indexOf(slist[n]+this.env.delimiter) == 0)
+      if (name.startsWith(slist[n] + this.env.delimiter))
         rowid = this.get_folder_row_id(slist[n]);
     }
 
@@ -5637,7 +5835,7 @@
       tbody = this.gui_objects.subscriptionlist.tBodies[0],
       folders = this.env.subscriptionrows,
       id = this.get_folder_row_id(oldfolder),
-      regex = new RegExp('^'+RegExp.escape(oldfolder)),
+      prefix_len = oldfolder.length,
       subscribed = $('input[name="_subscribed[]"]', $('#'+id)).prop('checked'),
       // find subfolders of renamed folder
       list = this.get_subfolders(oldfolder);
@@ -5662,7 +5860,7 @@
       row.after(tmprow);
       row = tmprow;
       // update folder index
-      name = name.replace(regex, newfolder);
+      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
@@ -5711,13 +5909,13 @@
   this.get_subfolders = function(folder)
   {
     var name, list = [],
-      regex = new RegExp('^'+RegExp.escape(folder)+RegExp.escape(this.env.delimiter)),
+      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 (regex.test(name)) {
+        if (name && name.startsWith(prefix)) {
           list.push(row.id);
         }
         else
@@ -5907,46 +6105,23 @@
   // mouse over button
   this.button_over = function(command, id)
   {
-    var n, button, obj, a_buttons = this.buttons[command],
-      len = a_buttons ? a_buttons.length : 0;
-
-    for (n=0; n<len; n++) {
-      button = a_buttons[n];
-      if (button.id == id && button.status == 'act') {
-        obj = document.getElementById(button.id);
-        if (obj && button.over) {
-          if (button.type == 'image')
-            obj.src = button.over;
-          else
-            obj.className = button.over;
-        }
-      }
-    }
+    this.button_event(command, id, 'over');
   };
 
   // mouse down on button
   this.button_sel = function(command, id)
   {
-    var n, button, obj, a_buttons = this.buttons[command],
-      len = a_buttons ? a_buttons.length : 0;
-
-    for (n=0; n<len; n++) {
-      button = a_buttons[n];
-      if (button.id == id && button.status == 'act') {
-        obj = document.getElementById(button.id);
-        if (obj && button.sel) {
-          if (button.type == 'image')
-            obj.src = button.sel;
-          else
-            obj.className = button.sel;
-        }
-        this.buttons_sel[id] = command;
-      }
-    }
+    this.button_event(command, id, 'sel');
   };
 
   // mouse out of button
   this.button_out = function(command, id)
+  {
+    this.button_event(command, id, 'act');
+  };
+
+  // event of button
+  this.button_event = function(command, id, event)
   {
     var n, button, obj, a_buttons = this.buttons[command],
       len = a_buttons ? a_buttons.length : 0;
@@ -5954,12 +6129,12 @@
     for (n=0; n<len; n++) {
       button = a_buttons[n];
       if (button.id == id && button.status == 'act') {
-        obj = document.getElementById(button.id);
-        if (obj && button.act) {
-          if (button.type == 'image')
-            obj.src = button.act;
-          else
-            obj.className = button.act;
+        if (button[event] && (obj = document.getElementById(button.id))) {
+          obj[button.type == 'image' ? 'src' : 'className'] = button[event];
+        }
+
+        if (event == 'sel') {
+          this.buttons_sel[id] = command;
         }
       }
     }
@@ -6034,7 +6209,7 @@
     this.triggerEvent('message', { message:msg, type:type, timeout:timeout, object:obj });
 
     if (timeout > 0)
-      setTimeout(function() { ref.hide_message(id, type == 'loading'); }, timeout);
+      setTimeout(function() { ref.hide_message(id, type != 'loading'); }, timeout);
     return id;
   };
 
@@ -6147,8 +6322,8 @@
   // enable/disable buttons for page shifting
   this.set_page_buttons = function()
   {
-    this.enable_command('nextpage', 'lastpage', (this.env.pagecount > this.env.current_page));
-    this.enable_command('previouspage', 'firstpage', (this.env.current_page > 1));
+    this.enable_command('nextpage', 'lastpage', this.env.pagecount > this.env.current_page);
+    this.enable_command('previouspage', 'firstpage', this.env.current_page > 1);
   };
 
   // mark a mailbox as selected and set environment variable
@@ -6158,14 +6333,10 @@
       this.treelist.select(name);
     }
     else if (this.gui_objects.folderlist) {
-      var current_li, target_li;
-
-      if ((current_li = $('li.selected', this.gui_objects.folderlist))) {
-        current_li.removeClass('selected').addClass('unfocused');
-      }
-      if ((target_li = this.get_folder_li(name, prefix, encode))) {
-        $(target_li).removeClass('unfocused').addClass('selected');
-      }
+      $('li.selected', this.gui_objects.folderlist)
+        .removeClass('selected').addClass('unfocused');
+      $(this.get_folder_li(name, prefix, encode))
+        .removeClass('unfocused').addClass('selected');
 
       // trigger event hook
       this.triggerEvent('selectfolder', { folder:name, prefix:prefix });
@@ -6194,8 +6365,6 @@
       name = this.html_identifier(name, encode);
       return document.getElementById(prefix+name);
     }
-
-    return null;
   };
 
   // for reordering column array (Konqueror workaround)
@@ -6320,7 +6489,7 @@
           div.className.match(/collapsed/)) {
         // add children's counters
         for (var k in this.env.unread_counts)
-          if (k.indexOf(mbox + this.env.delimiter) == 0)
+          if (k.startsWith(mbox + this.env.delimiter))
             childcount += this.env.unread_counts[k];
       }
 
@@ -6674,7 +6843,6 @@
 
           if ((response.action == 'list' || response.action == 'search') && this.message_list) {
             this.msglist_select(this.message_list);
-            this.message_list.resize();
             this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:this.message_list.rowcount });
           }
         }
@@ -6685,7 +6853,6 @@
             this.enable_command('search-create', this.env.source == '');
             this.enable_command('search-delete', this.env.search_id);
             this.update_group_commands();
-            this.contact_list.resize();
             this.triggerEvent('listupdate', { folder:this.env.source, rowcount:this.contact_list.rowcount });
           }
         }
@@ -6737,6 +6904,20 @@
     // re-send keep-alive requests after 30 seconds
     if (action == 'keep-alive')
       setTimeout(function(){ ref.keep_alive(); ref.start_keepalive(); }, 30000);
+  };
+
+  // handler for session errors detected on the server
+  this.session_error = function(redirect_url)
+  {
+    this.env.server_error = 401;
+
+    // save message in local storage and do not redirect
+    if (this.env.action == 'compose') {
+      this.save_compose_form_local();
+    }
+    else if (redirect_url) {
+      window.setTimeout(function(){ ref.redirect(redirect_url, true); }, 2000);
+    }
   };
 
   // callback when an iframe finished loading
@@ -7260,7 +7441,37 @@
   this.set_cookie = function(name, value, expires)
   {
     setCookie(name, value, expires, this.env.cookie_path, this.env.cookie_domain, this.env.cookie_secure);
-  }
+  };
+
+  this.get_local_storage_prefix = function()
+  {
+    if (!this.local_storage_prefix)
+      this.local_storage_prefix = 'roundcube.' + (this.env.user_id || 'anonymous') + '.';
+
+    return this.local_storage_prefix;
+  };
+
+  // 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);
+  };
+
+  // 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));
+  };
+
+  // wrapper for localStorage.removeItem(key)
+  this.local_storage_remove_item = function(key)
+  {
+    return localStorage.removeItem(this.get_local_storage_prefix() + key);
+  };
 
 }  // end object rcube_webmail
 

--
Gitblit v1.9.1