From ced34cb15e095836767971aa4d27b141fb1d7ec9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sat, 18 Oct 2014 08:47:54 -0400
Subject: [PATCH] Merge pull request #230 from bytesatwork-xx/master

---
 plugins/legacy_browser/legacy_browser.php |   75 ++++++++++++++++++++++---------------
 1 files changed, 44 insertions(+), 31 deletions(-)

diff --git a/plugins/legacy_browser/legacy_browser.php b/plugins/legacy_browser/legacy_browser.php
index c910d76..a261677 100644
--- a/plugins/legacy_browser/legacy_browser.php
+++ b/plugins/legacy_browser/legacy_browser.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * Plugin which adds support for legacy browsers (IE 7/8)
+ * Plugin which adds support for legacy browsers (IE 7/8, Firefox < 4)
  *
  * @author Aleksander Machniak <alec@alec.pl>
  * @license GNU GPLv3+
@@ -9,12 +9,18 @@
 class legacy_browser extends rcube_plugin
 {
     public $noajax = true;
+    private $rc;
 
     public function init()
     {
-        $rcube = rcube::get_instance();
+        $this->rc = $rcube = rcube::get_instance();
 
-        if ($rcube->output->browser->ie && $rcube->output->browser->ver < 9) {
+        if (
+            // IE < 9
+            ($rcube->output->browser->ie && $rcube->output->browser->ver < 9)
+            // Firefox < 4 (Firefox 4 is recognized as 2.0)
+            || ($rcube->output->browser->mz && $rcube->output->browser->ver < 2)
+        ) {
             $this->add_hook('send_page', array($this, 'send_page'));
             $this->add_hook('render_page', array($this, 'render_page'));
         }
@@ -22,11 +28,26 @@
 
     function send_page($args)
     {
+        $ts1 = filemtime($this->home . '/js/jquery.min.js');
+        $ts2 = filemtime($this->home . '/js/iehacks.js');
+
+        // put iehacks.js after app.js
+        if ($this->rc->output->browser->ie) {
+            $args['content'] = preg_replace(
+                '|(<script src="program/js/app(\.min)?\.js\?s=[0-9]+" type="text/javascript"></script>)|',
+                '\\1<script src="plugins/legacy_browser/js/iehacks.js?s=' . $ts2 . '" type="text/javascript"></script>',
+                $args['content'], 1, $count);
+        }
+        else {
+            $count = 1;
+        }
+
         // replace jQuery 2.x with 1.x
-        $ts = filemtime($this->home . '/js/jquery.min.js');
         $args['content'] = preg_replace(
-            '|"program/js/jquery\.min\.js\?s=[0-9]+"|',
-            '"plugins/legacy_browser/js/jquery.min.js?s=' . $ts . '"',
+            '|<script src="program/js/jquery\.min\.js\?s=[0-9]+" type="text/javascript"></script>|',
+            '<script src="plugins/legacy_browser/js/jquery.min.js?s=' . $ts1 . '" type="text/javascript"></script>'
+            // add iehacks.js if it is IE and it wasn't added yet
+            . ($count ? '' : "\n".'<script src="plugins/legacy_browser/js/iehacks.js?s=' . $ts2 . '" type="text/javascript"></script>'),
             $args['content'], 1);
 
         return $args;
@@ -34,43 +55,35 @@
 
     function render_page($args)
     {
-        $rcube = rcube::get_instance();
+        if (!$this->rc->output->browser->ie) {
+            return $args;
+        }
+
         $skin  = $this->skin();
 
         if ($skin == 'classic') {
-            $rcube->output->add_header(
-                '<link rel="stylesheet" type="text/css" href="plugins/legacy_browser/classic/iehacks.css" />'
+            $minified = file_exists(INSTALL_PATH . '/plugins/legacy_browser/skins/classic/iehacks.min.css') ? '.min' : '';
+            $this->rc->output->add_header(
+                '<link rel="stylesheet" type="text/css" href="plugins/legacy_browser/skins/classic/iehacks' . $minified . '.css" />'
             );
         }
         else if ($skin == 'larry') {
-            if ($rcube->output->browser->ver < 8) {
-                $rcube->output->add_header(
-                    '<link rel="stylesheet" type="text/css" href="plugins/legacy_browser/larry/ie7hacks.css" />'
-                );
-            }
-            else {
-                $rcube->output->add_header(
-                    '<link rel="stylesheet" type="text/css" href="plugins/legacy_browser/larry/iehacks.css" />'
-                );
-            }
+            $minified = file_exists(INSTALL_PATH . '/plugins/legacy_browser/skins/larry/iehacks.min.css') ? '.min' : '';
+            $this->rc->output->add_header(
+                '<link rel="stylesheet" type="text/css" href="plugins/legacy_browser/skins/larry/iehacks' . $minified . '.css" />'
+            );
 
-            // fix missing :last-child selectors
-            $rcube->output->add_footer(implode("\n", array(
-                '<script type="text/javascript">',
-                '$(document).ready(function() {',
-                '    $(\'ul.treelist ul\').each(function(i,ul) {',
-                '        $(\'li:last-child\', ul).css(\'border-bottom\', 0);',
-                '    });',
-                '});',
-                '</script>'
-            )));
+            if ($this->rc->output->browser->ver < 8) {
+                $this->rc->output->add_header(
+                    '<link rel="stylesheet" type="text/css" href="plugins/legacy_browser/skins/larry/ie7hacks' . $minified . '.css" />'
+                );
+            }
         }
     }
 
     private function skin()
     {
-        $rcube = rcube::get_instance();
-        $skin  = $rcube->config->get('skin');
+        $skin  = $this->rc->config->get('skin');
 
         // external skin, find if it inherits from other skin
         if ($skin != 'larry' && $skin != 'classic') {

--
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