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