From d58c39126f6e1754e29b6f3bbc01f0f6a3ea2581 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Mon, 02 Jun 2014 10:35:12 -0400
Subject: [PATCH] Some more improvemements on content structure, text representation and keyboard navigation within the mail view

---
 program/include/rcmail_output_html.php |  128 ++++++++++++++++++++++++++++++++----------
 1 files changed, 96 insertions(+), 32 deletions(-)

diff --git a/program/include/rcmail_output_html.php b/program/include/rcmail_output_html.php
index 6db826e..e8b5c98 100644
--- a/program/include/rcmail_output_html.php
+++ b/program/include/rcmail_output_html.php
@@ -5,7 +5,7 @@
  | program/include/rcmail_output_html.php                                |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2006-2012, The Roundcube Dev Team                       |
+ | Copyright (C) 2006-2013, The Roundcube Dev Team                       |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -23,7 +23,7 @@
 /**
  * Class to create HTML page output using a skin template
  *
- * @package    Core
+ * @package Webmail
  * @subpackage View
  */
 class rcmail_output_html extends rcmail_output
@@ -45,6 +45,7 @@
     protected $footer = '';
     protected $body = '';
     protected $base_path = '';
+    protected $devel_mode = false;
 
     // deprecated names of templates used before 0.5
     protected $deprecated_templates = array(
@@ -64,6 +65,8 @@
     {
         parent::__construct();
 
+        $this->devel_mode = $this->config->get('devel_mode');
+
         //$this->framed = $framed;
         $this->set_env('task', $task);
         $this->set_env('x_frame_options', $this->config->get('x_frame_options', 'sameorigin'));
@@ -80,11 +83,32 @@
         $this->set_env('skin', $skin);
 
         if (!empty($_REQUEST['_extwin']))
-          $this->set_env('extwin', 1);
+            $this->set_env('extwin', 1);
         if ($this->framed || !empty($_REQUEST['_framed']))
-          $this->set_env('framed', 1);
+            $this->set_env('framed', 1);
 
+        $lic = <<<EOF
+/*
+        @licstart  The following is the entire license notice for the 
+        JavaScript code in this page.
+
+        Copyright (C) 2005-2014 The Roundcube Dev Team
+
+        The JavaScript code in this page is free software: you can redistribute
+        it and/or modify it under the terms of the GNU General Public License
+        as published by the Free Software Foundation, either version 3 of
+        the License, or (at your option) any later version.
+
+        The code is distributed WITHOUT ANY WARRANTY; without even the implied
+        warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+        See the GNU GPL for more details.
+
+        @licend  The above is the entire license notice
+        for the JavaScript code in this page.
+*/
+EOF;
         // add common javascripts
+        $this->add_script($lic, 'head_top');
         $this->add_script('var '.self::JS_OBJECT_NAME.' = new rcube_webmail();', 'head_top');
 
         // don't wait for page onload. Call init at the bottom of the page (delayed)
@@ -116,6 +140,7 @@
     public function set_env($name, $value, $addtojs = true)
     {
         $this->env[$name] = $value;
+
         if ($addtojs || isset($this->js_env[$name])) {
             $this->js_env[$name] = $value;
         }
@@ -515,24 +540,11 @@
         $output = preg_replace_callback('/<form\s+([^>]+)>/Ui', array($this, 'alter_form_tag'), $output);
         $this->footer = preg_replace_callback('/<form\s+([^>]+)>/Ui', array($this, 'alter_form_tag'), $this->footer);
 
-        if ($write) {
-            // add debug console
-            if ($realname != 'error' && ($this->config->get('debug_level') & 8)) {
-                $this->add_footer('<div id="console" style="position:absolute;top:5px;left:5px;width:405px;padding:2px;background:white;z-index:9000;display:none">
-                    <a href="#toggle" onclick="con=$(\'#dbgconsole\');con[con.is(\':visible\')?\'hide\':\'show\']();return false">console</a>
-                    <textarea name="console" id="dbgconsole" rows="20" cols="40" style="display:none;width:400px;border:none;font-size:10px" spellcheck="false"></textarea></div>'
-                );
-                $this->add_script(
-                    "if (!window.console || !window.console.log) {\n".
-                    "  window.console = new rcube_console();\n".
-                    "  $('#console').show();\n".
-                    "}", 'foot');
-            }
-            $this->write(trim($output));
-        }
-        else {
+        if (!$write) {
             return $output;
         }
+
+        $this->write(trim($output));
 
         if ($exit) {
             exit;
@@ -658,13 +670,34 @@
         }
 
         // add file modification timestamp
-        if (preg_match('/\.(js|css)$/', $file)) {
-            if ($fs = @filemtime($file)) {
-                $file .= '?s=' . $fs;
-            }
+        if (preg_match('/\.(js|css)$/', $file, $m)) {
+            $file = $this->file_mod($file);
         }
 
         return $matches[1] . '=' . $matches[2] . $file . $matches[4];
+    }
+
+    /**
+     * Modify file by adding mtime indicator
+     */
+    protected function file_mod($file)
+    {
+        $fs  = false;
+        $ext = substr($file, strrpos($file, '.') + 1);
+
+        // use minified file if exists (not in development mode)
+        if (!$this->devel_mode && !preg_match('/\.min\.' . $ext . '$/', $file)) {
+            $minified_file = substr($file, 0, strlen($ext) * -1) . 'min.' . $ext;
+            if ($fs = @filemtime($minified_file)) {
+                return $minified_file . '?s=' . $fs;
+            }
+        }
+
+        if ($fs = @filemtime($file)) {
+            $file .= '?s=' . $fs;
+        }
+
+        return $file;
     }
 
     /**
@@ -825,6 +858,14 @@
             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
@@ -971,7 +1012,7 @@
                   $content = html::quote($this->get_pagetitle());
                 }
                 else if ($object == 'pagetitle') {
-                    if ($this->config->get('devel_mode') && !empty($_SESSION['username']))
+                    if ($this->devel_mode && !empty($_SESSION['username']))
                         $title = $_SESSION['username'].' :: ';
                     else if ($prod_name = $this->config->get('product_name'))
                         $title = $prod_name . ' :: ';
@@ -1097,6 +1138,17 @@
             $attrib['alt'] = html::quote($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'];
@@ -1191,7 +1243,7 @@
 
         // generate html code for button
         if ($btn_content) {
-            $attrib_str = html::attrib_string($attrib, $link_attrib);
+            $attrib_str = html::attrib_string($attrib, array_merge($link_attrib, array('data-*')));
             $out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
         }
 
@@ -1211,10 +1263,7 @@
     public function include_script($file, $position='head')
     {
         if (!preg_match('|^https?://|i', $file) && $file[0] != '/') {
-            $file = $this->scripts_path . $file;
-            if ($fs = @filemtime($file)) {
-                $file .= '?s=' . $fs;
-            }
+            $file = $this->file_mod($this->scripts_path . $file);
         }
 
         if (!is_array($this->script_files[$position])) {
@@ -1291,6 +1340,15 @@
         // 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
@@ -1607,6 +1665,12 @@
             $out .= $input_host->show();
         }
 
+        if (rcube_utils::get_boolean($attrib['submit'])) {
+            $submit = new html_inputfield(array('type' => 'submit', 'id' => 'rcmloginsubmit',
+                'class' => 'button mainaction', 'value' => $this->app->gettext('login')));
+            $out .= html::p('formbuttons', $submit->show());
+        }
+
         // surround html output with a form tag
         if (empty($attrib['form'])) {
             $out = $this->form_tag(array('name' => $form_name, 'method' => 'post'), $out);
@@ -1669,9 +1733,9 @@
         // add form tag around text field
         if (empty($attrib['form'])) {
             $out = $this->form_tag(array(
-                'name' => "rcmqsearchform",
+                'name'     => "rcmqsearchform",
                 'onsubmit' => self::JS_OBJECT_NAME . ".command('search'); return false",
-                'style' => "display:inline"),
+                'style'    => "display:inline"),
                 $out);
         }
 

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