diff options
author | Pierre Schmitz <pierre@archlinux.de> | 2011-06-22 11:28:20 +0200 |
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committer | Pierre Schmitz <pierre@archlinux.de> | 2011-06-22 11:28:20 +0200 |
commit | 9db190c7e736ec8d063187d4241b59feaf7dc2d1 (patch) | |
tree | 46d1a0dee7febef5c2d57a9f7b972be16a163b3d /includes/resourceloader/ResourceLoaderWikiModule.php | |
parent | 78677c7bbdcc9739f6c10c75935898a20e1acd9e (diff) |
update to MediaWiki 1.17.0
Diffstat (limited to 'includes/resourceloader/ResourceLoaderWikiModule.php')
-rw-r--r-- | includes/resourceloader/ResourceLoaderWikiModule.php | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/includes/resourceloader/ResourceLoaderWikiModule.php b/includes/resourceloader/ResourceLoaderWikiModule.php new file mode 100644 index 00000000..93e66eb0 --- /dev/null +++ b/includes/resourceloader/ResourceLoaderWikiModule.php @@ -0,0 +1,171 @@ +<?php +/** + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + * @author Trevor Parscal + * @author Roan Kattouw + */ + +defined( 'MEDIAWIKI' ) || die( 1 ); + +/** + * Abstraction for resource loader modules which pull from wiki pages + * + * This can only be used for wiki pages in the MediaWiki and User namespaces, + * because of its dependence on the functionality of + * Title::isValidCssJsSubpage. + */ +abstract class ResourceLoaderWikiModule extends ResourceLoaderModule { + + /* Protected Members */ + + // In-object cache for title mtimes + protected $titleMtimes = array(); + + /* Abstract Protected Methods */ + + abstract protected function getPages( ResourceLoaderContext $context ); + + /* Protected Methods */ + + protected function getContent( $title ) { + if ( $title->getNamespace() === NS_MEDIAWIKI ) { + $dbkey = $title->getDBkey(); + return wfEmptyMsg( $dbkey ) ? '' : wfMsgExt( $dbkey, 'content' ); + } + if ( !$title->isCssJsSubpage() ) { + return null; + } + $revision = Revision::newFromTitle( $title ); + if ( !$revision ) { + return null; + } + return $revision->getRawText(); + } + + /* Methods */ + + public function getScript( ResourceLoaderContext $context ) { + $scripts = ''; + foreach ( $this->getPages( $context ) as $titleText => $options ) { + if ( $options['type'] !== 'script' ) { + continue; + } + $title = Title::newFromText( $titleText ); + if ( !$title ) { + continue; + } + $script = $this->getContent( $title ); + if ( strval( $script ) !== '' ) { + if ( strpos( $titleText, '*/' ) === false ) { + $scripts .= "/* $titleText */\n"; + } + $scripts .= $script . "\n"; + } + } + return $scripts; + } + + public function getStyles( ResourceLoaderContext $context ) { + global $wgScriptPath; + + $styles = array(); + foreach ( $this->getPages( $context ) as $titleText => $options ) { + if ( $options['type'] !== 'style' ) { + continue; + } + $title = Title::newFromText( $titleText ); + if ( !$title ) { + continue; + } + $media = isset( $options['media'] ) ? $options['media'] : 'all'; + $style = $this->getContent( $title ); + if ( strval( $style ) === '' ) { + continue; + } + if ( $this->getFlip( $context ) ) { + $style = CSSJanus::transform( $style, true, false ); + } + $style = CSSMin::remap( $style, false, $wgScriptPath, true ); + if ( !isset( $styles[$media] ) ) { + $styles[$media] = ''; + } + if ( strpos( $titleText, '*/' ) === false ) { + $styles[$media] .= "/* $titleText */\n"; + } + $styles[$media] .= $style . "\n"; + } + return $styles; + } + + public function getModifiedTime( ResourceLoaderContext $context ) { + $modifiedTime = 1; // wfTimestamp() interprets 0 as "now" + $mtimes = $this->getTitleMtimes( $context ); + if ( count( $mtimes ) ) { + $modifiedTime = max( $modifiedTime, max( $mtimes ) ); + } + return $modifiedTime; + } + + public function isKnownEmpty( ResourceLoaderContext $context ) { + return count( $this->getTitleMtimes( $context ) ) == 0; + } + + /** + * @param $context ResourceLoaderContext + * @return bool + */ + public function getFlip( $context ) { + global $wgContLang; + + return $wgContLang->getDir() !== $context->getDirection(); + } + + /** + * Get the modification times of all titles that would be loaded for + * a given context. + * @param $context ResourceLoaderContext: Context object + * @return array( prefixed DB key => UNIX timestamp ), nonexistent titles are dropped + */ + protected function getTitleMtimes( ResourceLoaderContext $context ) { + $hash = $context->getHash(); + if ( isset( $this->titleMtimes[$hash] ) ) { + return $this->titleMtimes[$hash]; + } + + $this->titleMtimes[$hash] = array(); + $batch = new LinkBatch; + foreach ( $this->getPages( $context ) as $titleText => $options ) { + $batch->addObj( Title::newFromText( $titleText ) ); + } + + if ( !$batch->isEmpty() ) { + $dbr = wfGetDB( DB_SLAVE ); + $res = $dbr->select( 'page', + array( 'page_namespace', 'page_title', 'page_touched' ), + $batch->constructSet( 'page', $dbr ), + __METHOD__ + ); + foreach ( $res as $row ) { + $title = Title::makeTitle( $row->page_namespace, $row->page_title ); + $this->titleMtimes[$hash][$title->getPrefixedDBkey()] = + wfTimestamp( TS_UNIX, $row->page_touched ); + } + } + return $this->titleMtimes[$hash]; + } +} |