Fix Shift + delete button does not permanently delete messages (#1488243)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix Shift + delete button does not permanently delete messages (#1488243)
 - Add Content-Length for attachments where possible (#1485478)
 - Fix attachment sizes in message print page and attachment preview page (#1488515)
 - Fix XSS vulnerability in message subject handling using Larry skin (#1488519)

program/include/rcube_output_html.php

@@ -933,7 +933,7 @@ class rcube_output_html extends rcube_output
             // make valid href to specific buttons
             if (in_array($attrib['command'], rcmail::$main_tasks)) {
                 $attrib['href']    = $this->app->url(array('task' => $attrib['command']));
-                $attrib['onclick'] = sprintf("%s.command('switch-task','%s');return false", rcmail::JS_OBJECT_NAME, $attrib['command']);
+                $attrib['onclick'] = sprintf("%s.command('switch-task','%s',null,event); return false", rcmail::JS_OBJECT_NAME, $attrib['command']);
             }
             else if ($attrib['task'] && in_array($attrib['task'], rcmail::$main_tasks)) {
                 $attrib['href'] = $this->app->url(array('action' => $attrib['command'], 'task' => $attrib['task']));
@@ -956,7 +956,7 @@ class rcube_output_html extends rcube_output
         }
         else if ($command && !$attrib['onclick']) {
             $attrib['onclick'] = sprintf(
-                "return %s.command('%s','%s',this)",
+                "return %s.command('%s','%s',this,event)",
                 rcmail::JS_OBJECT_NAME,
                 $command,
                 $attrib['prop']
@@ -1485,7 +1485,7 @@ class rcube_output_html extends rcube_output
         if (empty($attrib['form'])) {
             $out = $this->form_tag(array(
                 'name' => "rcmqsearchform",
-                'onsubmit' => rcmail::JS_OBJECT_NAME . ".command('search');return false;",
+                'onsubmit' => rcmail::JS_OBJECT_NAME . ".command('search'); return false",
                 'style' => "display:inline"),
                 $out);
         }

program/js/app.js

@@ -493,7 +493,7 @@ function rcube_webmail()
   /*********************************************************/
 
   // execute a specific command on the web client
-  this.command = function(command, props, obj)
+  this.command = function(command, props, obj, event)
   {
     var ret, uid, cid, url, flag;
 
@@ -713,7 +713,7 @@ function rcube_webmail()
       case 'delete':
         // mail task
         if (this.task == 'mail')
-          this.delete_messages();
+          this.delete_messages(event);
         // addressbook task
         else if (this.task == 'addressbook')
           this.delete_contacts();
@@ -2555,7 +2555,7 @@ function rcube_webmail()
   };
 
   // delete selected messages from the current mailbox
-  this.delete_messages = function()
+  this.delete_messages = function(event)
   {
     var uid, i, len, trash = this.env.trash_mailbox,
       list = this.message_list,
@@ -2587,7 +2587,7 @@ function rcube_webmail()
     // if there is a trash mailbox defined and we're not currently in it
     else {
       // if shift was pressed delete it immediately
-      if (list && list.modkey == SHIFT_KEY) {
+      if ((list && list.modkey == SHIFT_KEY) || (event && rcube_event.get_modifier(event) == SHIFT_KEY)) {
         if (confirm(this.get_label('deletemessagesconfirm')))
           this.permanently_remove_messages();
       }