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authorPierre Schmitz <pierre@archlinux.de>2011-06-22 11:28:20 +0200
committerPierre Schmitz <pierre@archlinux.de>2011-06-22 11:28:20 +0200
commit9db190c7e736ec8d063187d4241b59feaf7dc2d1 (patch)
tree46d1a0dee7febef5c2d57a9f7b972be16a163b3d /includes/resourceloader/ResourceLoaderWikiModule.php
parent78677c7bbdcc9739f6c10c75935898a20e1acd9e (diff)
update to MediaWiki 1.17.0
Diffstat (limited to 'includes/resourceloader/ResourceLoaderWikiModule.php')
-rw-r--r--includes/resourceloader/ResourceLoaderWikiModule.php171
1 files changed, 171 insertions, 0 deletions
diff --git a/includes/resourceloader/ResourceLoaderWikiModule.php b/includes/resourceloader/ResourceLoaderWikiModule.php
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index 00000000..93e66eb0
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+++ 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];
+ }
+}