<?php /* StatusNet Plugin: 0.9 Plugin Name: Minify Description: Minifies resources (Javascript and CSS) Version: 0.1 Author: Craig Andrews <candrews@integralblue.com> Author URI: http://candrews.integralblue.com/ */ /* * StatusNet - the distributed open-source microblogging tool * Copyright (C) 2009, StatusNet, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /** * @package MinifyPlugin * @maintainer Craig Andrews <candrews@integralblue.com> * @copyright 2009 Free Software Foundation, Inc http://www.fsf.org */ if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } // We bundle the minify library... set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/minify/min/lib'); class MinifyPlugin extends Plugin { private $minifyInlineJs = true; private $minifyInlineCss = true; const cacheKey = 'minify'; /** * Add Minification related paths to the router table * * Hook for RouterInitialized event. * * @return boolean hook return */ function onStartInitializeRouter($m) { $m->connect('main/min', array('action' => 'minify')); return true; } function onLoginAction($action, &$login) { switch ($action) { case 'minify': $login = true; return false; default: return true; } } function onStartScriptElement($action,&$src,&$type) { $url = parse_url($src); if( empty($url['scheme']) && empty($url['host']) && empty($url['query']) && empty($url['fragment'])) { if (strpos($src, 'plugins/') === 0 || strpos($src, 'local/') === 0) { $src = $this->minifyUrl($src); } else { $src = $this->minifyUrl('js/'.$src); } } } function onStartCssLinkElement($action,&$src,&$theme,&$media) { $allowThemeMinification = is_null(common_config('theme', 'dir')) && is_null(common_config('theme', 'path')) && is_null(common_config('theme', 'server')); $url = parse_url($src); if( empty($url['scheme']) && empty($url['host']) && empty($url['query']) && empty($url['fragment'])) { if(!isset($theme)) { $theme = common_config('site', 'theme'); } if($allowThemeMinification && file_exists(INSTALLDIR.'/local/theme/'.$theme.'/'.$src)) { $src = $this->minifyUrl('local/theme/'.$theme.'/'.$src); } else if($allowThemeMinification && file_exists(INSTALLDIR.'/theme/'.$theme.'/'.$src)) { $src = $this->minifyUrl('theme/'.$theme.'/'.$src); }else if(file_exists(INSTALLDIR.'/'.$src)){ $src = $this->minifyUrl($src); } } } function onStartInlineScriptElement($action,&$code,&$type) { if($this->minifyInlineJs && $type=='text/javascript'){ $c = Cache::instance(); if (!empty($c)) { $cacheKey = Cache::key(self::cacheKey . ':' . crc32($code)); $out = $c->get($cacheKey); } if(empty($out)) { $out = $this->minifyJs($code); } if (!empty($c)) { $c->set($cacheKey, $out); } if(!empty($out)) { $code = $out; } } } function onStartStyleElement($action,&$code,&$type,&$media) { if($this->minifyInlineCss && $type=='text/css'){ $c = Cache::instance(); if (!empty($c)) { $cacheKey = Cache::key(self::cacheKey . ':' . crc32($code)); $out = $c->get($cacheKey); } if(empty($out)) { $out = $this->minifyCss($code); } if (!empty($c)) { $c->set($cacheKey, $out); } if(!empty($out)) { $code = $out; } } } function minifyUrl($src) { return common_local_url('minify',null,array('f' => $src ,v => STATUSNET_VERSION)); } static function minifyJs($code) { require_once('JSMin.php'); return JSMin::minify($code); } static function minifyCss($code, $options = array()) { require_once('Minify/CSS.php'); return Minify_CSS::minify($code,$options); } function onPluginVersion(&$versions) { $versions[] = array('name' => 'Minify', 'version' => STATUSNET_VERSION, 'author' => 'Craig Andrews', 'homepage' => 'http://status.net/wiki/Plugin:Minify', 'rawdescription' => // TRANS: Plugin description. _m('The Minify plugin minifies StatusNet\'s CSS and JavaScript, removing whitespace and comments.')); return true; } }