5 Description: Minifies resources (Javascript and CSS)
7 Author: Craig Andrews <candrews@integralblue.com>
8 Author URI: http://candrews.integralblue.com/
12 * StatusNet - the distributed open-source microblogging tool
13 * Copyright (C) 2009, StatusNet, Inc.
15 * This program is free software: you can redistribute it and/or modify
16 * it under the terms of the GNU Affero General Public License as published by
17 * the Free Software Foundation, either version 3 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU Affero General Public License for more details.
25 * You should have received a copy of the GNU Affero General Public License
26 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 * @package MinifyPlugin
31 * @maintainer Craig Andrews <candrews@integralblue.com>
32 * @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
35 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
37 // We bundle the minify library...
38 set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/minify/min/lib');
40 class MinifyPlugin extends Plugin
42 private $minifyInlineJs = true;
43 private $minifyInlineCss = true;
45 const cacheKey = 'minify';
48 * Add Minification related paths to the router table
50 * Hook for RouterInitialized event.
52 * @return boolean hook return
54 function onStartInitializeRouter($m)
56 $m->connect('main/min',
57 array('action' => 'minify'));
61 function onAutoload($cls)
66 require_once(INSTALLDIR.'/plugins/Minify/' . strtolower(mb_substr($cls, 0, -6)) . '.php');
73 function onLoginAction($action, &$login)
85 function onStartScriptElement($action,&$src,&$type) {
86 $url = parse_url($src);
87 if( empty($url['scheme']) && empty($url['host']) && empty($url['query']) && empty($url['fragment']))
89 if (strpos($src, 'plugins/') === 0 || strpos($src, 'local/') === 0) {
90 $src = $this->minifyUrl($src);
92 $src = $this->minifyUrl('js/'.$src);
97 function onStartCssLinkElement($action,&$src,&$theme,&$media) {
98 $allowThemeMinification =
99 is_null(common_config('theme', 'dir'))
100 && is_null(common_config('theme', 'path'))
101 && is_null(common_config('theme', 'server'));
102 $url = parse_url($src);
103 if( empty($url['scheme']) && empty($url['host']) && empty($url['query']) && empty($url['fragment']))
106 $theme = common_config('site', 'theme');
108 if($allowThemeMinification && file_exists(INSTALLDIR.'/local/theme/'.$theme.'/'.$src)) {
109 $src = $this->minifyUrl('local/theme/'.$theme.'/'.$src);
110 } else if($allowThemeMinification && file_exists(INSTALLDIR.'/theme/'.$theme.'/'.$src)) {
111 $src = $this->minifyUrl('theme/'.$theme.'/'.$src);
112 }else if(file_exists(INSTALLDIR.'/'.$src)){
113 $src = $this->minifyUrl($src);
118 function onStartInlineScriptElement($action,&$code,&$type)
120 if($this->minifyInlineJs && $type=='text/javascript'){
121 $c = common_memcache();
123 $cacheKey = common_cache_key(self::cacheKey . ':' . crc32($code));
124 $out = $c->get($cacheKey);
127 $out = $this->minifyJs($code);
130 $c->set($cacheKey, $out);
138 function onStartStyleElement($action,&$code,&$type,&$media)
140 if($this->minifyInlineCss && $type=='text/css'){
141 $c = common_memcache();
143 $cacheKey = common_cache_key(self::cacheKey . ':' . crc32($code));
144 $out = $c->get($cacheKey);
147 $out = $this->minifyCss($code);
150 $c->set($cacheKey, $out);
158 function minifyUrl($src) {
159 return common_local_url('minify',null,array('f' => $src ,v => STATUSNET_VERSION));
162 static function minifyJs($code) {
163 require_once('JSMin.php');
164 return JSMin::minify($code);
167 static function minifyCss($code, $options = array()) {
168 require_once('Minify/CSS.php');
169 return Minify_CSS::minify($code,$options);
172 function onPluginVersion(&$versions)
174 $versions[] = array('name' => 'Minify',
175 'version' => STATUSNET_VERSION,
176 'author' => 'Craig Andrews',
177 'homepage' => 'http://status.net/wiki/Plugin:Minify',
179 _m('The Minify plugin minifies StatusNet\'s CSS and JavaScript, removing whitespace and comments.'));