From 91ef2c812a15400cc8f251e8165728a363d235b0 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 10 Sep 2015 12:53:26 -0400
Subject: [PATCH] Small code improvement

---
 program/js/app.js |  239 ++++++++++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 177 insertions(+), 62 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 64fd548..af48407 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -156,8 +156,8 @@
     var n;
     this.task = this.env.task;
 
-    // check browser
-    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9) || (bw.ie && bw.vendver < 7))) {
+    // check browser capabilities (never use version checks here)
+    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test())) {
       this.goto_url('error', '_code=0x199');
       return;
     }
@@ -510,8 +510,11 @@
         break;
 
       case 'login':
-        var input_user = $('#rcmloginuser');
-        input_user.bind('keyup', function(e){ return ref.login_user_keyup(e); });
+        var tz, tz_name, jstz = window.jstz,
+            input_user = $('#rcmloginuser'),
+            input_tz = $('#rcmlogintz');
+
+        input_user.bind('keyup', function(e) { return ref.login_user_keyup(e); });
 
         if (input_user.val() == '')
           input_user.focus();
@@ -519,14 +522,10 @@
           $('#rcmloginpwd').focus();
 
         // detect client timezone
-        if (window.jstz) {
-          var timezone = jstz.determine();
-          if (timezone.name())
-            $('#rcmlogintz').val(timezone.name());
-        }
-        else {
-          $('#rcmlogintz').val(new Date().getStdTimezoneOffset() / -60);
-        }
+        if (jstz && (tz = jstz.determine()))
+          tz_name = tz.name();
+
+        input_tz.val(tz_name ? tz_name : (new Date().getStdTimezoneOffset() / -60));
 
         // display 'loading' message on form submit, lock submit button
         $('form').submit(function () {
@@ -592,7 +591,7 @@
       .bind('mouseup', body_mouseup)
       .bind('keydown', function(e){ return ref.doc_keypress(e); });
 
-    $('iframe').load(function(e) {
+    $('iframe').on('load', function(e) {
         try { $(this.contentDocument || this.contentWindow).on('mouseup', body_mouseup);  }
         catch (e) {/* catch possible "Permission denied" error in IE */ }
       })
@@ -653,7 +652,9 @@
     }
 
     // check input before leaving compose step
-    if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands) < 0 && !this.env.server_error) {
+    if (this.task == 'mail' && this.env.action == 'compose' && !this.env.server_error && command != 'save-pref'
+      && $.inArray(command, this.env.compose_commands) < 0
+    ) {
       if (!this.env.is_sent && this.cmp_hash != this.compose_field_hash() && !confirm(this.get_label('notsentwarning')))
         return false;
 
@@ -762,7 +763,7 @@
 
       case 'open':
         if (uid = this.get_single_uid()) {
-          obj.href = this.url('show', {_mbox: this.get_message_mailbox(uid), _uid: uid});
+          obj.href = this.url('show', this.params_from_uid(uid));
           return true;
         }
         break;
@@ -1188,8 +1189,8 @@
           this.gui_objects.messagepartframe.contentWindow.print();
         }
         else if (uid = this.get_single_uid()) {
-          url = '&_action=print&_uid='+uid+'&_mbox='+urlencode(this.get_message_mailbox(uid))+(this.env.safemode ? '&_safe=1' : '');
-          if (this.open_window(this.env.comm_path + url, true, true)) {
+          url = this.url('print', this.params_from_uid(uid, {_safe: this.env.safemode ? 1 : 0}));
+          if (this.open_window(url, true, true)) {
             if (this.env.action != 'show')
               this.mark_message('read', uid);
           }
@@ -1198,7 +1199,7 @@
 
       case 'viewsource':
         if (uid = this.get_single_uid())
-          this.open_window(this.env.comm_path+'&_action=viewsource&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true, true);
+          this.open_window(this.url('viewsource', this.params_from_uid(uid)), true, true);
         break;
 
       case 'download':
@@ -1206,7 +1207,7 @@
           location.href = location.href.replace(/_frame=/, '_download=');
         }
         else if (uid = this.get_single_uid()) {
-          this.goto_url('viewsource', { _uid: uid, _mbox: this.get_message_mailbox(uid), _save: 1 });
+          this.goto_url('viewsource', this.params_from_uid(uid, {_save: 1}));
         }
         break;
 
@@ -1268,7 +1269,7 @@
 
         $('input[name="_unlock"]', form).val(importlock);
 
-        if (!(flag = this.upload_file(form, 'import'))) {
+        if (!(flag = this.upload_file(form, 'import', importlock))) {
           this.set_busy(false, null, importlock);
           if (flag !== false)
             alert(this.get_label('selectimportfile'));
@@ -1615,8 +1616,8 @@
 
       // select the folder if one of its childs is currently selected
       // don't select if it's virtual (#1488346)
-      if (!node.virtual && this.env.mailbox && this.env.mailbox.startsWith(name + this.env.delimiter))
-        this.command('list', name);
+      if (!node.virtual && this.env.mailbox && this.env.mailbox.startsWith(node.id + this.env.delimiter))
+        this.command('list', node.id);
     }
     else {
       var reg = new RegExp('&'+urlencode(node.id)+'&');
@@ -2173,10 +2174,16 @@
 
   this.set_list_sorting = function(sort_col, sort_order)
   {
+    var sort_old = this.env.sort_col == 'arrival' ? 'date' : this.env.sort_col,
+      sort_new = sort_col == 'arrival' ? 'date' : sort_col;
+
     // set table header class
-    $('#rcm'+this.env.sort_col).removeClass('sorted'+(this.env.sort_order.toUpperCase()));
-    if (sort_col)
-      $('#rcm'+sort_col).addClass('sorted'+sort_order);
+    $('#rcm' + sort_old).removeClass('sorted' + this.env.sort_order.toUpperCase());
+    if (sort_new)
+      $('#rcm' + sort_new).addClass('sorted' + sort_order);
+
+    // if sorting by 'arrival' is selected, click on date column should not switch to 'date'
+    $('#rcmdate > a').prop('rel', sort_col == 'arrival' ? 'arrival' : 'date');
 
     this.env.sort_col = sort_col;
     this.env.sort_order = sort_order;
@@ -2233,35 +2240,33 @@
       return;
 
     var win, target = window,
-      action = preview ? 'preview': 'show',
-      url = '&_action='+action+'&_uid='+id+'&_mbox='+urlencode(this.get_message_mailbox(id));
+      url = this.params_from_uid(id, {_caps: this.browser_capabilities()});
 
     if (preview && (win = this.get_frame_window(this.env.contentframe))) {
       target = win;
-      url += '&_framed=1';
+      url._framed = 1;
     }
 
     if (safe)
-      url += '&_safe=1';
+      url._safe = 1;
 
     // also send search request to get the right messages
     if (this.env.search_request)
-      url += '&_search='+this.env.search_request;
-
-    // add browser capabilities, so we can properly handle attachments
-    url += '&_caps='+urlencode(this.browser_capabilities());
+      url._search = this.env.search_request;
 
     if (this.env.extwin)
-      url += '&_extwin=1';
+      url._extwin = 1;
+
+    url = this.url(preview ? 'preview': 'show', url);
 
     if (preview && String(target.location.href).indexOf(url) >= 0) {
       this.show_contentframe(true);
     }
     else {
       if (!preview && this.env.message_extwin && !this.env.extwin)
-        this.open_window(this.env.comm_path+url, true);
+        this.open_window(url, true);
       else
-        this.location_href(this.env.comm_path+url, target, true);
+        this.location_href(url, target, true);
 
       // mark as read and change mbox unread counter
       if (preview && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read > 0) {
@@ -3255,6 +3260,92 @@
     this.set_alttext('delete', label);
   };
 
+  // Initialize input element for list page jump
+  this.init_pagejumper = function(element)
+  {
+    $(element).addClass('rcpagejumper')
+      .on('focus', function(e) {
+        // create and display popup with page selection
+        var i, html = '';
+
+        for (i = 1; i <= ref.env.pagecount; i++)
+          html += '<li>' + i + '</li>';
+
+        html = '<ul class="toolbarmenu">' + html + '</ul>';
+
+        if (!ref.pagejump) {
+          ref.pagejump = $('<div id="pagejump-selector" class="popupmenu"></div>')
+            .appendTo(document.body)
+            .on('click', 'li', function() {
+              if (!ref.busy)
+                $(element).val($(this).text()).change();
+            });
+        }
+
+        if (ref.pagejump.data('count') != i)
+          ref.pagejump.html(html);
+
+        ref.pagejump.attr('rel', '#' + this.id).data('count', i);
+
+        // display page selector
+        ref.show_menu('pagejump-selector', true, e);
+        $(this).keydown();
+      })
+      // keyboard navigation
+      .on('keydown keyup click', function(e) {
+        var current, selector = $('#pagejump-selector'),
+          ul = $('ul', selector),
+          list = $('li', ul),
+          height = ul.height(),
+          p = parseInt(this.value);
+
+        if (e.which != 27 && e.which != 9 && e.which != 13 && !selector.is(':visible'))
+          return ref.show_menu('pagejump-selector', true, e);
+
+        if (e.type == 'keydown') {
+          // arrow-down
+          if (e.which == 40) {
+            if (list.length > p)
+              this.value = (p += 1);
+          }
+          // arrow-up
+          else if (e.which == 38) {
+            if (p > 1 && list.length > p - 1)
+              this.value = (p -= 1);
+          }
+          // enter
+          else if (e.which == 13) {
+            return $(this).change();
+          }
+          // esc, tab
+          else if (e.which == 27 || e.which == 9) {
+            return $(element).val(ref.env.current_page);
+          }
+        }
+
+        $('li.selected', ul).removeClass('selected');
+
+        if ((current = $(list[p - 1])).length) {
+          current.addClass('selected');
+          $('#pagejump-selector').scrollTop(((ul.height() / list.length) * (p - 1)) - selector.height() / 2);
+        }
+      })
+      .on('change', function(e) {
+        // go to specified page
+        var p = parseInt(this.value);
+        if (p && p != ref.env.current_page && !ref.busy) {
+          ref.hide_menu('pagejump-selector');
+          ref.list_page(p);
+        }
+      });
+  };
+
+  // Update page-jumper state on list updates
+  this.update_pagejumper = function()
+  {
+    $('input.rcpagejumper').val(this.env.current_page).prop('disabled', this.env.pagecount < 2);
+  };
+
   /*********************************************************/
   /*********       mailbox folders methods         *********/
   /*********************************************************/
@@ -3384,13 +3475,15 @@
 
     if (!html_mode) {
       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 we have HTML editor, signature is added in a callback
       if (input_from.prop('type') == 'select-one') {
         this.change_identity(input_from[0]);
       }
+
+      // set initial cursor position
+      this.set_caret_pos(input_message, pos);
 
       // scroll to the bottom of the textarea (#1490114)
       if (pos) {
@@ -3593,7 +3686,7 @@
       var oldval = input.val(), rx = new RegExp(RegExp.escape(delim) + '\\s*$');
       if (oldval && !rx.test(oldval))
         oldval += delim + ' ';
-      input.val(oldval + recipients.join(delim + ' ') + delim + ' ');
+      input.val(oldval + recipients.join(delim + ' ') + delim + ' ').change();
       this.triggerEvent('add-recipient', { field:field, recipients:recipients });
     }
 
@@ -3876,7 +3969,7 @@
         }
       }, 5000);
 
-      $(window).unload(function() {
+      $(window).on('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);
@@ -4091,7 +4184,7 @@
   };
 
   // upload (attachment) file
-  this.upload_file = function(form, action)
+  this.upload_file = function(form, action, lock)
   {
     if (!form)
       return;
@@ -4133,6 +4226,9 @@
           if (!content.match(/display_message/))
             ref.display_message(ref.get_label('fileuploaderror'), 'error');
           ref.remove_from_attachment_list(e.data.ts);
+
+          if (lock)
+            ref.set_busy(false, null, lock);
         }
         // Opera hack: handle double onload
         if (bw.opera)
@@ -6671,6 +6767,8 @@
   {
     this.enable_command('nextpage', 'lastpage', this.env.pagecount > this.env.current_page);
     this.enable_command('previouspage', 'firstpage', this.env.current_page > 1);
+
+    this.update_pagejumper();
   };
 
   // mark a mailbox as selected and set environment variable
@@ -7058,7 +7156,7 @@
     if (show) {
       // truncate stack down to the one containing the ref link
       for (var i = this.menu_stack.length - 1; stack && i >= 0; i--) {
-        if (!$(ref).parents('#'+this.menu_stack[i]).length)
+        if (!$(ref).parents('#'+this.menu_stack[i]).length && $(event.target).parent().attr('role') != 'menuitem')
           this.hide_menu(this.menu_stack[i], event);
       }
       if (stack && this.menu_stack.length) {
@@ -7498,32 +7596,36 @@
         this.env.qsearch = null;
       case 'list':
         if (this.task == 'mail') {
-          var is_multifolder = this.is_multifolder_listing();
+          var is_multifolder = this.is_multifolder_listing(),
+            list = this.message_list,
+            uid = this.env.list_uid;
+
           this.enable_command('show', 'select-all', 'select-none', this.env.messagecount > 0);
           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);
 
-          if ((response.action == 'list' || response.action == 'search') && this.message_list) {
-            var list = this.message_list, uid = this.env.list_uid;
-
-            // highlight message row when we're back from message page
-            if (uid) {
-              if (!list.rows[uid])
-                uid += '-' + this.env.mailbox;
-              if (list.rows[uid]) {
-                list.select(uid);
+          if (list) {
+            if (response.action == 'list' || response.action == 'search') {
+              // highlight message row when we're back from message page
+              if (uid) {
+                if (!list.rows[uid])
+                  uid += '-' + this.env.mailbox;
+                if (list.rows[uid]) {
+                  list.select(uid);
+                }
+                delete this.env.list_uid;
               }
-              delete this.env.list_uid;
+
+              this.enable_command('set-listmode', this.env.threads && !is_multifolder);
+              if (list.rowcount > 0 && !$(document.activeElement).is('input,textarea'))
+                list.focus();
+              this.msglist_select(list);
             }
 
-            this.enable_command('set-listmode', this.env.threads && !is_multifolder);
-            if (list.rowcount > 0)
-              list.focus();
-            this.msglist_select(list);
-            this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:list.rowcount });
-
+            if (response.action != 'getunread')
+              this.triggerEvent('listupdate', { folder:this.env.mailbox, rowcount:list.rowcount });
           }
         }
         else if (this.task == 'addressbook') {
@@ -7533,7 +7635,7 @@
             this.enable_command('search-create', this.env.source == '');
             this.enable_command('search-delete', this.env.search_id);
             this.update_group_commands();
-            if (this.contact_list.rowcount > 0)
+            if (this.contact_list.rowcount > 0 && !$(document.activeElement).is('input,textarea'))
               this.contact_list.focus();
             this.triggerEvent('listupdate', { folder:this.env.source, rowcount:this.contact_list.rowcount });
           }
@@ -7819,7 +7921,8 @@
     var submit_data = function() {
       var multiple = files.length > 1,
         ts = new Date().getTime(),
-        content = '<span>' + (multiple ? ref.get_label('uploadingmany') : files[0].name) + '</span>';
+        // jQuery way to escape filename (#1490530)
+        content = $('<span>').text(multiple ? ref.get_label('uploadingmany') : files[0].name).html();
 
       // add to attachments list
       if (!ref.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false }))
@@ -8033,10 +8136,22 @@
   // get the IMP mailbox of the message with the given UID
   this.get_message_mailbox = function(uid)
   {
-    var msg = this.env.messages ? this.env.messages[uid] : {};
+    var msg = (this.env.messages && uid ? this.env.messages[uid] : null) || {};
     return msg.mbox || this.env.mailbox;
   };
 
+  // build request parameters from single message id (maybe with mailbox name)
+  this.params_from_uid = function(uid, params)
+  {
+    if (!params)
+      params = {};
+
+    params._uid = String(uid).split('-')[0];
+    params._mbox = this.get_message_mailbox(uid);
+
+    return params;
+  };
+
   // gets cursor position
   this.get_caret_pos = function(obj)
   {

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