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- <?php
-
- /**
- * Plugin which adds support for legacy browsers (IE 7/8, Firefox < 4)
- *
- * @author Aleksander Machniak <alec@alec.pl>
- * @license GNU GPLv3+
- */
- class legacy_browser extends rcube_plugin
- {
- public $noajax = true;
- private $rc;
-
- public function init()
- {
- $this->rc = $rcube = rcube::get_instance();
-
- if (
- // IE < 9
- ($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'));
- }
- }
-
- function send_page($args)
- {
- $p1 = $this->rc->output->asset_url('program/js');
- $p2 = $this->rc->output->asset_url('plugins/legacy_browser/js');
-
- $assets_dir = $this->rc->config->get('assets_dir');
-
- $ts1 = filemtime($this->home . '/js/jquery.min.js');
- $ts2 = filemtime($this->home . '/js/iehacks.js');
-
- if (!$ts1 && $assets_dir) {
- $ts1 = filemtime($assets_dir . '/plugins/legacy_browser/js/jquery.min.js');
- }
- if (!$ts2 && $assets_dir) {
- $ts2 = filemtime($assets_dir . '/plugins/legacy_browser/js/iehacks.js');
- }
-
- // put iehacks.js after app.js
- if ($this->rc->output->browser->ie) {
- $args['content'] = preg_replace(
- '|(<script src="' . preg_quote($p1, '|') . '/app(\.min)?\.js(\?s=[0-9]+)?" type="text/javascript"></script>)|',
- '\\1<script src="' . $p2 . '/iehacks.js?s=' . $ts2 . '" type="text/javascript"></script>',
- $args['content'], 1, $count);
- }
- else {
- $count = 1;
- }
-
- // replace jQuery 2.x with 1.x
- $args['content'] = preg_replace(
- '|<script src="' . preg_quote($p1, '|') . '/jquery\.min\.js(\?s=[0-9]+)?" type="text/javascript"></script>|',
- '<script src="' . $p2 . '/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="' . $p2 . '/iehacks.js?s=' . $ts2 . '" type="text/javascript"></script>'),
- $args['content'], 1);
-
- return $args;
- }
-
- function render_page($args)
- {
- if (!$this->rc->output->browser->ie) {
- return $args;
- }
-
- $skin = $this->skin();
-
- if ($skin == 'classic') {
- $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') {
- $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' . $minified . '.css" />'
- );
-
- if ($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()
- {
- $skin = $this->rc->config->get('skin');
-
- // external skin, find if it inherits from other skin
- if ($skin != 'larry' && $skin != 'classic') {
- $json = @file_get_contents(INSTALL_PATH . "/skins/$skin/meta.json");
- $json = @json_decode($json, true);
-
- if (!empty($json['extends'])) {
- return $json['extends'];
- }
- }
-
- return $skin;
- }
- }
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