From b2992dd2283c3d0ac95f3293497dfaed0493f607 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 07 May 2014 11:34:28 -0400
Subject: [PATCH] Further accessibility improvements regarding keyboard navigation and document structure

---
 program/steps/mail/func.inc |   49 +++++++++++++++++++++++++++----------------------
 1 files changed, 27 insertions(+), 22 deletions(-)

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index a541fca..811e878 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -24,16 +24,15 @@
 $RCMAIL->storage_init();
 
 // set imap properties and session vars
-if (strlen(trim($mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GPC, true)))) {
-    $RCMAIL->storage->set_folder(($_SESSION['mbox'] = $mbox));
+if (!strlen($mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GPC, true))) {
+    $mbox = strlen($_SESSION['mbox']) ? $_SESSION['mbox'] : 'INBOX';
 }
-else if ($RCMAIL->storage) {
-    $_SESSION['mbox'] = $RCMAIL->storage->get_folder();
+if (!($page = intval($_GET['_page']))) {
+    $page = $_SESSION['page'] ? $_SESSION['page'] : 1;
 }
 
-if (!empty($_GET['_page'])) {
-    $RCMAIL->storage->set_page(($_SESSION['page'] = intval($_GET['_page'])));
-}
+$RCMAIL->storage->set_folder($_SESSION['mbox'] = $mbox);
+$RCMAIL->storage->set_page($_SESSION['page'] = $page);
 
 $a_threading        = $RCMAIL->config->get('message_threading', array());
 $message_sort_col   = $RCMAIL->config->get('message_sort_col');
@@ -69,7 +68,7 @@
 }
 
 // remove mbox part from _uid
-if (($_uid  = get_input_value('_uid', RCUBE_INPUT_GPC)) && preg_match('/^\d+-[^,]+$/', $_uid)) {
+if (($_uid  = rcube_utils::get_input_value('_uid', RCUBE_INPUT_GPC)) && !is_array($_uid) && preg_match('/^\d+-.+/', $_uid)) {
   list($_uid, $mbox) = explode('-', $_uid, 2);
   if (isset($_GET['_uid']))  $_GET['_uid']  = $_uid;
   if (isset($_POST['_uid'])) $_POST['_uid'] = $_uid;
@@ -84,6 +83,9 @@
   }
 }
 
+if (!empty($_SESSION['browser_caps']) && !$OUTPUT->ajax_call) {
+    $OUTPUT->set_env('browser_capabilities', $_SESSION['browser_caps']);
+}
 
 // set main env variables, labels and page title
 if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
@@ -137,17 +139,13 @@
     $RCMAIL->set_env_config(array('delete_junk', 'flag_for_deletion', 'read_when_deleted',
         'skip_deleted', 'display_next', 'message_extwin', 'compose_extwin', 'forward_attachment'));
 
-    if (!empty($_SESSION['browser_caps'])) {
-        $OUTPUT->set_env('browser_capabilities', $_SESSION['browser_caps']);
-    }
-
     if (!$OUTPUT->ajax_call) {
         $OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
             'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
-            'copy', 'move', 'quota', 'replyall', 'replylist');
+            'copy', 'move', 'quota', 'replyall', 'replylist', 'stillsearching');
     }
 
-    $pagetitle = $RCMAIL->localize_foldername($RCMAIL->storage->mod_folder($mbox_name), true);
+    $pagetitle = $RCMAIL->localize_foldername($mbox_name, true);
     $pagetitle = str_replace($delimiter, " \xC2\xBB ", $pagetitle);
 
     $OUTPUT->set_pagetitle($pagetitle);
@@ -393,6 +391,8 @@
         $OUTPUT->command('select_folder', '');
     }
 
+    $OUTPUT->set_env('multifolder_listing', $multifolder);
+
     if (empty($a_headers)) {
         return;
     }
@@ -507,14 +507,19 @@
         $a_sort_cols = array('subject', 'date', 'from', 'to', 'fromto', 'size', 'cc');
 
     if (!empty($attrib['optionsmenuicon'])) {
-        $onclick = 'return ' . rcmail_output::JS_OBJECT_NAME . ".command('menu-open', 'messagelistmenu')";
-        if ($attrib['optionsmenuicon'] === true || $attrib['optionsmenuicon'] == 'true')
-            $list_menu = html::div(array('onclick' => $onclick, 'class' => 'listmenu',
-                'id' => 'listmenulink', 'title' => $RCMAIL->gettext('listoptions')));
-        else
-            $list_menu = html::a(array('href' => '#', 'onclick' => $onclick),
-                html::img(array('src' => $skin_path . $attrib['optionsmenuicon'],
-                    'id' => 'listmenulink', 'title' => $RCMAIL->gettext('listoptions'))));
+        $onclick = 'return ' . rcmail_output::JS_OBJECT_NAME . ".command('menu-open', 'messagelistmenu', null, event)";
+        $inner   = 'v';
+        if (is_string($attrib['optionsmenuicon']) && $attrib['optionsmenuicon'] != 'true') {
+            $inner = html::img(array('src' => $skin_path . $attrib['optionsmenuicon'], 'alt' => $RCMAIL->gettext('listoptions')));
+        }
+        $list_menu = html::a(array(
+            'href' => '#list-options',
+            'onclick' => $onclick,
+            'class' => 'listmenu',
+            'id' => 'listmenulink',
+            'title' => $RCMAIL->gettext('listoptions'),
+            'tabindex' => '0',
+        ), $inner);
     }
     else {
         $list_menu = '';

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