From 99cdca46b7bcc46fe6affd9e9f9f60a546b2e5b8 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Thu, 05 Jun 2014 03:18:07 -0400
Subject: [PATCH] Merge branch 'dev-accessibility'

---
 program/include/rcmail_output_html.php |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)

diff --git a/program/include/rcmail_output_html.php b/program/include/rcmail_output_html.php
index 43d73a6..6594209 100644
--- a/program/include/rcmail_output_html.php
+++ b/program/include/rcmail_output_html.php
@@ -893,6 +893,14 @@
             return '';
         }
 
+        // localize title and summary attributes
+        if ($command != 'button' && !empty($attrib['title']) && $this->app->text_exists($attrib['title'])) {
+            $attrib['title'] = $this->app->gettext($attrib['title']);
+        }
+        if ($command != 'button' && !empty($attrib['summary']) && $this->app->text_exists($attrib['summary'])) {
+            $attrib['summary'] = $this->app->gettext($attrib['summary']);
+        }
+
         // execute command
         switch ($command) {
             // return a button
@@ -1165,6 +1173,17 @@
             $attrib['alt'] = html::quote($this->app->gettext($attrib['alt'], $attrib['domain']));
         }
 
+        // set accessibility attributes
+        if (!$attrib['role']) {
+            $attrib['role'] = 'button';
+        }
+        if (!empty($attrib['class']) && !empty($attrib['classact']) || !empty($attrib['imagepas']) && !empty($attrib['imageact'])) {
+            if (array_key_exists('tabindex', $attrib))
+                $attrib['data-tabindex'] = $attrib['tabindex'];
+            $attrib['tabindex'] = '-1';  // disable button by default
+            $attrib['aria-disabled'] = 'true';
+        }
+
         // set title to alt attribute for IE browsers
         if ($this->browser->ie && !$attrib['title'] && $attrib['alt']) {
             $attrib['title'] = $attrib['alt'];
@@ -1353,6 +1372,20 @@
             $is_empty = true;
         }
 
+        // set default page title
+        if (empty($this->pagetitle)) {
+            $this->pagetitle = 'Roundcube Mail';
+        }
+
+        // declare page language
+        if (!empty($_SESSION['language'])) {
+            $lang = substr($_SESSION['language'], 0, 2);
+            $output = preg_replace('/<html/', '<html lang="' . html::quote($lang) . '"', $output, 1);
+            if (!headers_sent()) {
+                header('Content-Language: ' . $lang);
+            }
+        }
+
         // replace specialchars in content
         $page_title  = html::quote($this->pagetitle);
         $page_header = '';

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