'RegexlikeReplacer' => 'includes/StringUtils.php',
'ReplacementArray' => 'includes/StringUtils.php',
'Replacer' => 'includes/StringUtils.php',
- 'ResourceLoader' => 'includes/ResourceLoader.php',
- 'ResourceLoaderContext' => 'includes/ResourceLoaderContext.php',
- 'ResourceLoaderModule' => 'includes/ResourceLoaderModule.php',
- 'ResourceLoaderWikiModule' => 'includes/ResourceLoaderModule.php',
- 'ResourceLoaderFileModule' => 'includes/ResourceLoaderModule.php',
- 'ResourceLoaderSiteModule' => 'includes/ResourceLoaderModule.php',
- 'ResourceLoaderUserModule' => 'includes/ResourceLoaderModule.php',
- 'ResourceLoaderUserOptionsModule' => 'includes/ResourceLoaderModule.php',
- 'ResourceLoaderStartUpModule' => 'includes/ResourceLoaderModule.php',
+ 'ResourceLoader' => 'includes/resourceloader/ResourceLoader.php',
+ 'ResourceLoaderContext' => 'includes/resourceloader/ResourceLoaderContext.php',
+ 'ResourceLoaderModule' => 'includes/resourceloader/ResourceLoaderModule.php',
+ 'ResourceLoaderWikiModule' => 'includes/resourceloader/ResourceLoaderModule.php',
+ 'ResourceLoaderFileModule' => 'includes/resourceloader/ResourceLoaderModule.php',
+ 'ResourceLoaderSiteModule' => 'includes/resourceloader/ResourceLoaderModule.php',
+ 'ResourceLoaderUserModule' => 'includes/resourceloader/ResourceLoaderModule.php',
+ 'ResourceLoaderUserOptionsModule' => 'includes/resourceloader/ResourceLoaderModule.php',
+ 'ResourceLoaderStartUpModule' => 'includes/resourceloader/ResourceLoaderModule.php',
'ReverseChronologicalPager' => 'includes/Pager.php',
'Revision' => 'includes/Revision.php',
'RevisionDelete' => 'includes/RevisionDelete.php',
+++ /dev/null
-<?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 Roan Kattouw
- * @author Trevor Parscal
- */
-
-defined( 'MEDIAWIKI' ) || die( 1 );
-
-/**
- * Dynamic JavaScript and CSS resource loading system
- */
-class ResourceLoader {
-
- /* Protected Static Members */
-
- // @var array list of module name/ResourceLoaderModule object pairs
- protected $modules = array();
-
- /* Protected Methods */
-
- /**
- * Loads information stored in the database about modules
- *
- * This is not inside the module code because it's so much more performant to request all of the information at once
- * than it is to have each module requests it's own information.
- *
- * @param $modules array list of module names to preload information for
- * @param $context ResourceLoaderContext context to load the information within
- */
- protected function preloadModuleInfo( array $modules, ResourceLoaderContext $context ) {
- if ( !count( $modules ) ) {
- return; # or Database*::select() will explode
- }
- $dbr = wfGetDb( DB_SLAVE );
- $skin = $context->getSkin();
- $lang = $context->getLanguage();
-
- // Get file dependency information
- $res = $dbr->select( 'module_deps', array( 'md_module', 'md_deps' ), array(
- 'md_module' => $modules,
- 'md_skin' => $context->getSkin()
- ), __METHOD__
- );
-
- $modulesWithDeps = array();
- foreach ( $res as $row ) {
- $this->modules[$row->md_module]->setFileDependencies( $skin,
- FormatJson::decode( $row->md_deps, true )
- );
- $modulesWithDeps[] = $row->md_module;
- }
- // Register the absence of a dependencies row too
- foreach ( array_diff( $modules, $modulesWithDeps ) as $name ) {
- $this->modules[$name]->setFileDependencies( $skin, array() );
- }
-
- // Get message blob mtimes. Only do this for modules with messages
- $modulesWithMessages = array();
- $modulesWithoutMessages = array();
- foreach ( $modules as $name ) {
- if ( count( $this->modules[$name]->getMessages() ) ) {
- $modulesWithMessages[] = $name;
- } else {
- $modulesWithoutMessages[] = $name;
- }
- }
- if ( count( $modulesWithMessages ) ) {
- $res = $dbr->select( 'msg_resource', array( 'mr_resource', 'mr_timestamp' ), array(
- 'mr_resource' => $modulesWithMessages,
- 'mr_lang' => $lang
- ), __METHOD__
- );
- foreach ( $res as $row ) {
- $this->modules[$row->mr_resource]->setMsgBlobMtime( $lang, $row->mr_timestamp );
- }
- }
- foreach ( $modulesWithoutMessages as $name ) {
- $this->modules[$name]->setMsgBlobMtime( $lang, 0 );
- }
- }
-
- /**
- * Runs text through a filter, caching the filtered result for future calls
- *
- * @param $filter String: name of filter to run
- * @param $data String: text to filter, such as JavaScript or CSS text
- * @param $file String: path to file being filtered, (optional: only required for CSS to resolve paths)
- * @return String: filtered data
- */
- protected function filter( $filter, $data ) {
- global $wgMemc;
- wfProfileIn( __METHOD__ );
-
- // For empty or whitespace-only things, don't do any processing
- if ( trim( $data ) === '' ) {
- wfProfileOut( __METHOD__ );
- return $data;
- }
-
- // Try memcached
- $key = wfMemcKey( 'resourceloader', 'filter', $filter, md5( $data ) );
- $cached = $wgMemc->get( $key );
-
- if ( $cached !== false && $cached !== null ) {
- wfProfileOut( __METHOD__ );
- return $cached;
- }
-
- // Run the filter
- try {
- switch ( $filter ) {
- case 'minify-js':
- $result = JSMin::minify( $data );
- break;
- case 'minify-css':
- $result = CSSMin::minify( $data );
- break;
- case 'flip-css':
- $result = CSSJanus::transform( $data, true, false );
- break;
- default:
- // Don't cache anything, just pass right through
- wfProfileOut( __METHOD__ );
- return $data;
- }
- } catch ( Exception $exception ) {
- throw new MWException( 'Filter threw an exception: ' . $exception->getMessage() );
- }
-
- // Save to memcached
- $wgMemc->set( $key, $result );
-
- wfProfileOut( __METHOD__ );
- return $result;
- }
-
- /* Methods */
-
- /**
- * Registers core modules and runs registration hooks
- */
- public function __construct() {
- global $IP;
-
- wfProfileIn( __METHOD__ );
-
- // Register core modules
- $this->register( include( "$IP/resources/Resources.php" ) );
- // Register extension modules
- wfRunHooks( 'ResourceLoaderRegisterModules', array( &$this ) );
-
- wfProfileOut( __METHOD__ );
- }
-
- /**
- * Registers a module with the ResourceLoader system.
- *
- * Note that registering the same object under multiple names is not supported
- * and may silently fail in all kinds of interesting ways.
- *
- * @param $name Mixed: string of name of module or array of name/object pairs
- * @param $object ResourceLoaderModule: module object (optional when using
- * multiple-registration calling style)
- * @return Boolean: false if there were any errors, in which case one or more
- * modules were not registered
- *
- * @todo We need much more clever error reporting, not just in detailing what
- * happened, but in bringing errors to the client in a way that they can
- * easily see them if they want to, such as by using FireBug
- */
- public function register( $name, ResourceLoaderModule $object = null ) {
- wfProfileIn( __METHOD__ );
-
- // Allow multiple modules to be registered in one call
- if ( is_array( $name ) && !isset( $object ) ) {
- foreach ( $name as $key => $value ) {
- $this->register( $key, $value );
- }
-
- wfProfileOut( __METHOD__ );
- return;
- }
-
- // Disallow duplicate registrations
- if ( isset( $this->modules[$name] ) ) {
- // A module has already been registered by this name
- throw new MWException( 'Another module has already been registered as ' . $name );
- }
-
- // Validate the input (type hinting lets null through)
- if ( !( $object instanceof ResourceLoaderModule ) ) {
- throw new MWException( 'Invalid ResourceLoader module error. Instances of ResourceLoaderModule expected.' );
- }
-
- // Attach module
- $this->modules[$name] = $object;
- $object->setName( $name );
-
- wfProfileOut( __METHOD__ );
- }
-
- /**
- * Gets a map of all modules and their options
- *
- * @return Array: array( modulename => ResourceLoaderModule )
- */
- public function getModules() {
- return $this->modules;
- }
-
- /**
- * Get the ResourceLoaderModule object for a given module name
- *
- * @param $name String: module name
- * @return mixed ResourceLoaderModule or null if not registered
- */
- public function getModule( $name ) {
- return isset( $this->modules[$name] ) ? $this->modules[$name] : null;
- }
-
- /**
- * Outputs a response to a resource load-request, including a content-type header
- *
- * @param $context ResourceLoaderContext object
- */
- public function respond( ResourceLoaderContext $context ) {
- global $wgResourceLoaderMaxage, $wgCacheEpoch;
-
- wfProfileIn( __METHOD__ );
-
- // Split requested modules into two groups, modules and missing
- $modules = array();
- $missing = array();
-
- foreach ( $context->getModules() as $name ) {
- if ( isset( $this->modules[$name] ) ) {
- $modules[$name] = $this->modules[$name];
- } else {
- $missing[] = $name;
- }
- }
-
- // If a version wasn't specified we need a shorter expiry time for updates to
- // propagate to clients quickly
- if ( is_null( $context->getVersion() ) ) {
- $maxage = $wgResourceLoaderMaxage['unversioned']['client'];
- $smaxage = $wgResourceLoaderMaxage['unversioned']['server'];
- }
- // If a version was specified we can use a longer expiry time since changing
- // version numbers causes cache misses
- else {
- $maxage = $wgResourceLoaderMaxage['versioned']['client'];
- $smaxage = $wgResourceLoaderMaxage['versioned']['server'];
- }
-
- // Preload information needed to the mtime calculation below
- $this->preloadModuleInfo( array_keys( $modules ), $context );
-
- // To send Last-Modified and support If-Modified-Since, we need to detect
- // the last modified time
- wfProfileIn( __METHOD__.'-getModifiedTime' );
- $mtime = wfTimestamp( TS_UNIX, $wgCacheEpoch );
- foreach ( $modules as $module ) {
- // Bypass squid cache if the request includes any private modules
- if ( $module->getGroup() === 'private' ) {
- $smaxage = 0;
- }
- // Calculate maximum modified time
- $mtime = max( $mtime, $module->getModifiedTime( $context ) );
- }
- wfProfileOut( __METHOD__.'-getModifiedTime' );
-
- header( 'Content-Type: ' . ( $context->getOnly() === 'styles' ? 'text/css' : 'text/javascript' ) );
- header( 'Last-Modified: ' . wfTimestamp( TS_RFC2822, $mtime ) );
- header( "Cache-Control: public, max-age=$maxage, s-maxage=$smaxage" );
- header( 'Expires: ' . wfTimestamp( TS_RFC2822, min( $maxage, $smaxage ) + time() ) );
-
- // If there's an If-Modified-Since header, respond with a 304 appropriately
- $ims = $context->getRequest()->getHeader( 'If-Modified-Since' );
- if ( $ims !== false && $mtime <= wfTimestamp( TS_UNIX, $ims ) ) {
- header( 'HTTP/1.0 304 Not Modified' );
- header( 'Status: 304 Not Modified' );
- wfProfileOut( __METHOD__ );
- return;
- }
-
- $response = $this->makeModuleResponse( $context, $modules, $missing );
- if ( $context->getDebug() && strlen( $warnings = ob_get_contents() ) ) {
- $response .= "/*\n$warnings\n*/";
- }
- // Clear any warnings from the buffer
- ob_clean();
- echo $response;
-
- wfProfileOut( __METHOD__ );
- }
-
- public function makeModuleResponse( ResourceLoaderContext $context, array $modules, $missing = null ) {
- // Pre-fetch blobs
- $blobs = $context->shouldIncludeMessages() ?
- MessageBlobStore::get( $this, $modules, $context->getLanguage() ) : array();
-
- // Generate output
- $out = '';
- foreach ( $modules as $name => $module ) {
- wfProfileIn( __METHOD__ . '-' . $name );
-
- // Scripts
- $scripts = '';
- if ( $context->shouldIncludeScripts() ) {
- $scripts .= $module->getScript( $context ) . "\n";
- }
-
- // Styles
- $styles = array();
- if ( $context->shouldIncludeStyles() && ( count( $styles = $module->getStyles( $context ) ) ) ) {
- // Flip CSS on a per-module basis
- if ( $this->modules[$name]->getFlip( $context ) ) {
- foreach ( $styles as $media => $style ) {
- $styles[$media] = $this->filter( 'flip-css', $style );
- }
- }
- }
-
- // Messages
- $messages = isset( $blobs[$name] ) ? $blobs[$name] : '{}';
-
- // Append output
- switch ( $context->getOnly() ) {
- case 'scripts':
- $out .= $scripts;
- break;
- case 'styles':
- $out .= self::makeCombinedStyles( $styles );
- break;
- case 'messages':
- $out .= self::makeMessageSetScript( $messages );
- break;
- default:
- // Minify CSS before embedding in mediaWiki.loader.implement call (unless in debug mode)
- if ( !$context->getDebug() ) {
- foreach ( $styles as $media => $style ) {
- $styles[$media] = $this->filter( 'minify-css', $style );
- }
- }
- $out .= self::makeLoaderImplementScript( $name, $scripts, $styles, $messages );
- break;
- }
-
- wfProfileOut( __METHOD__ . '-' . $name );
- }
-
- // Update module states
- if ( $context->shouldIncludeScripts() ) {
- // Set the state of modules loaded as only scripts to ready
- if ( count( $modules ) && $context->getOnly() === 'scripts' && !isset( $modules['startup'] ) ) {
- $out .= self::makeLoaderStateScript( array_fill_keys( array_keys( $modules ), 'ready' ) );
- }
- // Set the state of modules which were requested but unavailable as missing
- if ( is_array( $missing ) && count( $missing ) ) {
- $out .= self::makeLoaderStateScript( array_fill_keys( $missing, 'missing' ) );
- }
- }
-
- if ( $context->getDebug() ) {
- return $out;
- } else {
- if ( $context->getOnly() === 'styles' ) {
- return $this->filter( 'minify-css', $out );
- } else {
- return $this->filter( 'minify-js', $out );
- }
- }
- }
-
- /* Static Methods */
-
- public static function makeLoaderImplementScript( $name, $scripts, $styles, $messages ) {
- if ( is_array( $scripts ) ) {
- $scripts = implode( $scripts, "\n" );
- }
- if ( is_array( $styles ) ) {
- $styles = count( $styles ) ? FormatJson::encode( $styles ) : 'null';
- }
- if ( is_array( $messages ) ) {
- $messages = count( $messages ) ? FormatJson::encode( $messages ) : 'null';
- }
- return "mediaWiki.loader.implement( '$name', function() {{$scripts}},\n$styles,\n$messages );\n";
- }
-
- public static function makeMessageSetScript( $messages ) {
- if ( is_array( $messages ) ) {
- $messages = count( $messages ) ? FormatJson::encode( $messages ) : 'null';
- }
- return "mediaWiki.msg.set( $messages );\n";
- }
-
- public static function makeCombinedStyles( array $styles ) {
- $out = '';
- foreach ( $styles as $media => $style ) {
- $out .= "@media $media {\n" . str_replace( "\n", "\n\t", "\t" . $style ) . "\n}\n";
- }
- return $out;
- }
-
- public static function makeLoaderStateScript( $name, $state = null ) {
- if ( is_array( $name ) ) {
- $statuses = FormatJson::encode( $name );
- return "mediaWiki.loader.state( $statuses );\n";
- } else {
- $name = Xml::escapeJsString( $name );
- $state = Xml::escapeJsString( $state );
- return "mediaWiki.loader.state( '$name', '$state' );\n";
- }
- }
-
- public static function makeCustomLoaderScript( $name, $version, $dependencies, $group, $script ) {
- $name = Xml::escapeJsString( $name );
- $version = (int) $version > 1 ? (int) $version : 1;
- $dependencies = FormatJson::encode( $dependencies );
- $group = FormatJson::encode( $group );
- $script = str_replace( "\n", "\n\t", trim( $script ) );
- return "( function( name, version, dependencies, group ) {\n\t$script\n} )" .
- "( '$name', $version, $dependencies, $group );\n";
- }
-
- public static function makeLoaderRegisterScript( $name, $version = null, $dependencies = null, $group = null ) {
- if ( is_array( $name ) ) {
- $registrations = FormatJson::encode( $name );
- return "mediaWiki.loader.register( $registrations );\n";
- } else {
- $name = Xml::escapeJsString( $name );
- $version = (int) $version > 1 ? (int) $version : 1;
- $dependencies = FormatJson::encode( $dependencies );
- $group = FormatJson::encode( $group );
- return "mediaWiki.loader.register( '$name', $version, $dependencies, $group );\n";
- }
- }
-
- public static function makeLoaderConditionalScript( $script ) {
- $script = str_replace( "\n", "\n\t", trim( $script ) );
- return "if ( window.mediaWiki ) {\n\t$script\n}\n";
- }
-
- public static function makeConfigSetScript( array $configuration ) {
- $configuration = FormatJson::encode( $configuration );
- return "mediaWiki.config.set( $configuration );\n";
- }
-}
+++ /dev/null
-<?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 );
-
-/**
- * Object passed around to modules which contains information about the state
- * of a specific loader request
- */
-class ResourceLoaderContext {
-
- /* Protected Members */
-
- protected $resourceLoader;
- protected $request;
- protected $modules;
- protected $language;
- protected $direction;
- protected $skin;
- protected $user;
- protected $debug;
- protected $only;
- protected $version;
- protected $hash;
-
- /* Methods */
-
- public function __construct( ResourceLoader $resourceLoader, WebRequest $request ) {
- global $wgLang, $wgDefaultSkin, $wgResourceLoaderDebug;
-
- $this->resourceLoader = $resourceLoader;
- $this->request = $request;
- // Interpret request
- $modules = $request->getVal( 'modules' );
- $this->modules = $modules ? explode( '|', $modules ) : array();
- $this->language = $request->getVal( 'lang' );
- $this->direction = $request->getVal( 'dir' );
- $this->skin = $request->getVal( 'skin' );
- $this->user = $request->getVal( 'user' );
- $this->debug = $request->getFuzzyBool( 'debug', $wgResourceLoaderDebug );
- $this->only = $request->getVal( 'only' );
- $this->version = $request->getVal( 'version' );
-
- // Fallback on system defaults
- if ( !$this->language ) {
- $this->language = $wgLang->getCode();
- }
-
- if ( !$this->direction ) {
- $this->direction = Language::factory( $this->language )->getDir();
- }
-
- if ( !$this->skin ) {
- $this->skin = $wgDefaultSkin;
- }
- }
-
- public function getResourceLoader() {
- return $this->resourceLoader;
- }
-
- public function getRequest() {
- return $this->request;
- }
-
- public function getModules() {
- return $this->modules;
- }
-
- public function getLanguage() {
- return $this->language;
- }
-
- public function getDirection() {
- return $this->direction;
- }
-
- public function getSkin() {
- return $this->skin;
- }
-
- public function getUser() {
- return $this->user;
- }
-
- public function getDebug() {
- return $this->debug;
- }
-
- public function getOnly() {
- return $this->only;
- }
-
- public function getVersion() {
- return $this->version;
- }
-
- public function shouldIncludeScripts() {
- return is_null( $this->only ) || $this->only === 'scripts';
- }
-
- public function shouldIncludeStyles() {
- return is_null( $this->only ) || $this->only === 'styles';
- }
-
- public function shouldIncludeMessages() {
- return is_null( $this->only ) || $this->only === 'messages';
- }
-
- public function getHash() {
- if ( isset( $this->hash ) ) {
- $this->hash = implode( '|', array(
- $this->language, $this->direction, $this->skin, $this->user,
- $this->debug, $this->only, $this->version
- ) );
- }
- return $this->hash;
- }
-}
+++ /dev/null
-<?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, with name registration and maxage functionality.
- */
-abstract class ResourceLoaderModule {
-
- /* Protected Members */
-
- protected $name = null;
-
- // In-object cache for file dependencies
- protected $fileDeps = array();
- // In-object cache for message blob mtime
- protected $msgBlobMtime = array();
-
- /* Methods */
-
- /**
- * Get this module's name. This is set when the module is registered
- * with ResourceLoader::register()
- *
- * @return Mixed: name (string) or null if no name was set
- */
- public function getName() {
- return $this->name;
- }
-
- /**
- * Set this module's name. This is called by ResourceLodaer::register()
- * when registering the module. Other code should not call this.
- *
- * @param $name String: name
- */
- public function setName( $name ) {
- $this->name = $name;
- }
-
- /**
- * Get whether CSS for this module should be flipped
- */
- public function getFlip( $context ) {
- return $context->getDirection() === 'rtl';
- }
-
- /**
- * Get all JS for this module for a given language and skin.
- * Includes all relevant JS except loader scripts.
- *
- * @param $context ResourceLoaderContext object
- * @return String: JS
- */
- public function getScript( ResourceLoaderContext $context ) {
- // Stub, override expected
- return '';
- }
-
- /**
- * Get all CSS for this module for a given skin.
- *
- * @param $context ResourceLoaderContext object
- * @return array: strings of CSS keyed by media type
- */
- public function getStyles( ResourceLoaderContext $context ) {
- // Stub, override expected
- return '';
- }
-
- /**
- * Get the messages needed for this module.
- *
- * To get a JSON blob with messages, use MessageBlobStore::get()
- *
- * @return array of message keys. Keys may occur more than once
- */
- public function getMessages() {
- // Stub, override expected
- return array();
- }
-
- /**
- * Get the group this module is in.
- *
- * @return string of group name
- */
- public function getGroup() {
- // Stub, override expected
- return null;
- }
-
- /**
- * Get the loader JS for this module, if set.
- *
- * @return Mixed: loader JS (string) or false if no custom loader set
- */
- public function getLoaderScript() {
- // Stub, override expected
- return false;
- }
-
- /**
- * Get a list of modules this module depends on.
- *
- * Dependency information is taken into account when loading a module
- * on the client side. When adding a module on the server side,
- * dependency information is NOT taken into account and YOU are
- * responsible for adding dependent modules as well. If you don't do
- * this, the client side loader will send a second request back to the
- * server to fetch the missing modules, which kind of defeats the
- * purpose of the resource loader.
- *
- * To add dependencies dynamically on the client side, use a custom
- * loader script, see getLoaderScript()
- * @return Array of module names (strings)
- */
- public function getDependencies() {
- // Stub, override expected
- return array();
- }
-
- /**
- * Get the files this module depends on indirectly for a given skin.
- * Currently these are only image files referenced by the module's CSS.
- *
- * @param $skin String: skin name
- * @return array of files
- */
- public function getFileDependencies( $skin ) {
- // Try in-object cache first
- if ( isset( $this->fileDeps[$skin] ) ) {
- return $this->fileDeps[$skin];
- }
-
- $dbr = wfGetDB( DB_SLAVE );
- $deps = $dbr->selectField( 'module_deps', 'md_deps', array(
- 'md_module' => $this->getName(),
- 'md_skin' => $skin,
- ), __METHOD__
- );
- if ( !is_null( $deps ) ) {
- return $this->fileDeps[$skin] = (array) FormatJson::decode( $deps, true );
- }
- return $this->fileDeps[$skin] = array();
- }
-
- /**
- * Set preloaded file dependency information. Used so we can load this
- * information for all modules at once.
- * @param $skin string Skin name
- * @param $deps array Array of file names
- */
- public function setFileDependencies( $skin, $deps ) {
- $this->fileDeps[$skin] = $deps;
- }
-
- /**
- * Get the last modification timestamp of the message blob for this
- * module in a given language.
- * @param $lang string Language code
- * @return int UNIX timestamp, or 0 if no blob found
- */
- public function getMsgBlobMtime( $lang ) {
- if ( !count( $this->getMessages() ) )
- return 0;
-
- $dbr = wfGetDB( DB_SLAVE );
- $msgBlobMtime = $dbr->selectField( 'msg_resource', 'mr_timestamp', array(
- 'mr_resource' => $this->getName(),
- 'mr_lang' => $lang
- ), __METHOD__
- );
- $this->msgBlobMtime[$lang] = $msgBlobMtime ? wfTimestamp( TS_UNIX, $msgBlobMtime ) : 0;
- return $this->msgBlobMtime[$lang];
- }
-
- /**
- * Set a preloaded message blob last modification timestamp. Used so we
- * can load this information for all modules at once.
- * @param $lang string Language code
- * @param $mtime int UNIX timestamp or 0 if there is no such blob
- */
- public function setMsgBlobMtime( $lang, $mtime ) {
- $this->msgBlobMtime[$lang] = $mtime;
- }
-
- /* Abstract Methods */
-
- /**
- * Get this module's last modification timestamp for a given
- * combination of language, skin and debug mode flag. This is typically
- * the highest of each of the relevant components' modification
- * timestamps. Whenever anything happens that changes the module's
- * contents for these parameters, the mtime should increase.
- *
- * @param $context ResourceLoaderContext object
- * @return int UNIX timestamp
- */
- public function getModifiedTime( ResourceLoaderContext $context ) {
- // 0 would mean now
- return 1;
- }
-}
-
-/**
- * Module based on local JS/CSS files. This is the most common type of module.
- */
-class ResourceLoaderFileModule extends ResourceLoaderModule {
- /* Protected Members */
-
- protected $scripts = array();
- protected $styles = array();
- protected $messages = array();
- protected $group;
- protected $dependencies = array();
- protected $debugScripts = array();
- protected $languageScripts = array();
- protected $skinScripts = array();
- protected $skinStyles = array();
- protected $loaders = array();
- protected $parameters = array();
-
- // In-object cache for file dependencies
- protected $fileDeps = array();
- // In-object cache for mtime
- protected $modifiedTime = array();
-
- /* Methods */
-
- /**
- * Construct a new module from an options array.
- *
- * @param $options array Options array. If empty, an empty module will be constructed
- *
- * $options format:
- * array(
- * // Required module options (mutually exclusive)
- * 'scripts' => 'dir/script.js' | array( 'dir/script1.js', 'dir/script2.js' ... ),
- *
- * // Optional module options
- * 'languageScripts' => array(
- * '[lang name]' => 'dir/lang.js' | '[lang name]' => array( 'dir/lang1.js', 'dir/lang2.js' ... )
- * ...
- * ),
- * 'skinScripts' => 'dir/skin.js' | array( 'dir/skin1.js', 'dir/skin2.js' ... ),
- * 'debugScripts' => 'dir/debug.js' | array( 'dir/debug1.js', 'dir/debug2.js' ... ),
- *
- * // Non-raw module options
- * 'dependencies' => 'module' | array( 'module1', 'module2' ... )
- * 'loaderScripts' => 'dir/loader.js' | array( 'dir/loader1.js', 'dir/loader2.js' ... ),
- * 'styles' => 'dir/file.css' | array( 'dir/file1.css', 'dir/file2.css' ... ), |
- * array( 'dir/file1.css' => array( 'media' => 'print' ) ),
- * 'skinStyles' => array(
- * '[skin name]' => 'dir/skin.css' | array( 'dir/skin1.css', 'dir/skin2.css' ... ) |
- * array( 'dir/file1.css' => array( 'media' => 'print' )
- * ...
- * ),
- * 'messages' => array( 'message1', 'message2' ... ),
- * 'group' => 'stuff',
- * )
- *
- * @param $basePath String: base path to prepend to all paths in $options
- */
- public function __construct( $options = array(), $basePath = null ) {
- foreach ( $options as $option => $value ) {
- switch ( $option ) {
- case 'scripts':
- case 'debugScripts':
- case 'languageScripts':
- case 'skinScripts':
- case 'loaders':
- $this->{$option} = (array)$value;
- // Automatically prefix script paths
- if ( is_string( $basePath ) ) {
- foreach ( $this->{$option} as $key => $value ) {
- $this->{$option}[$key] = $basePath . $value;
- }
- }
- break;
- case 'styles':
- case 'skinStyles':
- $this->{$option} = (array)$value;
- // Automatically prefix style paths
- if ( is_string( $basePath ) ) {
- foreach ( $this->{$option} as $key => $value ) {
- if ( is_array( $value ) ) {
- $this->{$option}[$basePath . $key] = $value;
- unset( $this->{$option}[$key] );
- } else {
- $this->{$option}[$key] = $basePath . $value;
- }
- }
- }
- break;
- case 'dependencies':
- case 'messages':
- $this->{$option} = (array)$value;
- break;
- case 'group':
- $this->group = (string)$value;
- break;
- }
- }
- }
-
- /**
- * Add script files to this module. In order to be valid, a module
- * must contain at least one script file.
- *
- * @param $scripts Mixed: path to script file (string) or array of paths
- */
- public function addScripts( $scripts ) {
- $this->scripts = array_merge( $this->scripts, (array)$scripts );
- }
-
- /**
- * Add style (CSS) files to this module.
- *
- * @param $styles Mixed: path to CSS file (string) or array of paths
- */
- public function addStyles( $styles ) {
- $this->styles = array_merge( $this->styles, (array)$styles );
- }
-
- /**
- * Add messages to this module.
- *
- * @param $messages Mixed: message key (string) or array of message keys
- */
- public function addMessages( $messages ) {
- $this->messages = array_merge( $this->messages, (array)$messages );
- }
-
- /**
- * Sets the group of this module.
- *
- * @param $group string group name
- */
- public function setGroup( $group ) {
- $this->group = $group;
- }
-
- /**
- * Add dependencies. Dependency information is taken into account when
- * loading a module on the client side. When adding a module on the
- * server side, dependency information is NOT taken into account and
- * YOU are responsible for adding dependent modules as well. If you
- * don't do this, the client side loader will send a second request
- * back to the server to fetch the missing modules, which kind of
- * defeats the point of using the resource loader in the first place.
- *
- * To add dependencies dynamically on the client side, use a custom
- * loader (see addLoaders())
- *
- * @param $dependencies Mixed: module name (string) or array of module names
- */
- public function addDependencies( $dependencies ) {
- $this->dependencies = array_merge( $this->dependencies, (array)$dependencies );
- }
-
- /**
- * Add debug scripts to the module. These scripts are only included
- * in debug mode.
- *
- * @param $scripts Mixed: path to script file (string) or array of paths
- */
- public function addDebugScripts( $scripts ) {
- $this->debugScripts = array_merge( $this->debugScripts, (array)$scripts );
- }
-
- /**
- * Add language-specific scripts. These scripts are only included for
- * a given language.
- *
- * @param $lang String: language code
- * @param $scripts Mixed: path to script file (string) or array of paths
- */
- public function addLanguageScripts( $lang, $scripts ) {
- $this->languageScripts = array_merge_recursive(
- $this->languageScripts,
- array( $lang => $scripts )
- );
- }
-
- /**
- * Add skin-specific scripts. These scripts are only included for
- * a given skin.
- *
- * @param $skin String: skin name, or 'default'
- * @param $scripts Mixed: path to script file (string) or array of paths
- */
- public function addSkinScripts( $skin, $scripts ) {
- $this->skinScripts = array_merge_recursive(
- $this->skinScripts,
- array( $skin => $scripts )
- );
- }
-
- /**
- * Add skin-specific CSS. These CSS files are only included for a
- * given skin. If there are no skin-specific CSS files for a skin,
- * the files defined for 'default' will be used, if any.
- *
- * @param $skin String: skin name, or 'default'
- * @param $scripts Mixed: path to CSS file (string) or array of paths
- */
- public function addSkinStyles( $skin, $scripts ) {
- $this->skinStyles = array_merge_recursive(
- $this->skinStyles,
- array( $skin => $scripts )
- );
- }
-
- /**
- * Add loader scripts. These scripts are loaded on every page and are
- * responsible for registering this module using
- * mediaWiki.loader.register(). If there are no loader scripts defined,
- * the resource loader will register the module itself.
- *
- * Loader scripts are used to determine a module's dependencies
- * dynamically on the client side (e.g. based on browser type/version).
- * Note that loader scripts are included on every page, so they should
- * be lightweight and use mediaWiki.loader.register()'s callback
- * feature to defer dependency calculation.
- *
- * @param $scripts Mixed: path to script file (string) or array of paths
- */
- public function addLoaders( $scripts ) {
- $this->loaders = array_merge( $this->loaders, (array)$scripts );
- }
-
- public function getScript( ResourceLoaderContext $context ) {
- $retval = $this->getPrimaryScript() . "\n" .
- $this->getLanguageScript( $context->getLanguage() ) . "\n" .
- $this->getSkinScript( $context->getSkin() );
-
- if ( $context->getDebug() ) {
- $retval .= $this->getDebugScript();
- }
-
- return $retval;
- }
-
- public function getStyles( ResourceLoaderContext $context ) {
- $styles = array();
- foreach ( $this->getPrimaryStyles() as $media => $style ) {
- if ( !isset( $styles[$media] ) ) {
- $styles[$media] = '';
- }
- $styles[$media] .= $style;
- }
- foreach ( $this->getSkinStyles( $context->getSkin() ) as $media => $style ) {
- if ( !isset( $styles[$media] ) ) {
- $styles[$media] = '';
- }
- $styles[$media] .= $style;
- }
-
- // Collect referenced files
- $files = array();
- foreach ( $styles as $style ) {
- // Extract and store the list of referenced files
- $files = array_merge( $files, CSSMin::getLocalFileReferences( $style ) );
- }
-
- // Only store if modified
- if ( $files !== $this->getFileDependencies( $context->getSkin() ) ) {
- $encFiles = FormatJson::encode( $files );
- $dbw = wfGetDB( DB_MASTER );
- $dbw->replace( 'module_deps',
- array( array( 'md_module', 'md_skin' ) ), array(
- 'md_module' => $this->getName(),
- 'md_skin' => $context->getSkin(),
- 'md_deps' => $encFiles,
- )
- );
- }
-
- return $styles;
- }
-
- public function getMessages() {
- return $this->messages;
- }
-
- public function getGroup() {
- return $this->group;
- }
-
- public function getDependencies() {
- return $this->dependencies;
- }
-
- public function getLoaderScript() {
- if ( count( $this->loaders ) == 0 ) {
- return false;
- }
-
- return self::concatScripts( $this->loaders );
- }
-
- /**
- * Get the last modified timestamp of this module, which is calculated
- * as the highest last modified timestamp of its constituent files and
- * the files it depends on (see getFileDependencies()). Only files
- * relevant to the given language and skin are taken into account, and
- * files only relevant in debug mode are not taken into account when
- * debug mode is off.
- *
- * @param $context ResourceLoaderContext object
- * @return Integer: UNIX timestamp
- */
- public function getModifiedTime( ResourceLoaderContext $context ) {
- if ( isset( $this->modifiedTime[$context->getHash()] ) ) {
- return $this->modifiedTime[$context->getHash()];
- }
- wfProfileIn( __METHOD__ );
-
- // Sort of nasty way we can get a flat list of files depended on by all styles
- $styles = array();
- foreach ( self::organizeFilesByOption( $this->styles, 'media', 'all' ) as $styleFiles ) {
- $styles = array_merge( $styles, $styleFiles );
- }
- $skinFiles = (array) self::getSkinFiles(
- $context->getSkin(), self::organizeFilesByOption( $this->skinStyles, 'media', 'all' )
- );
- foreach ( $skinFiles as $styleFiles ) {
- $styles = array_merge( $styles, $styleFiles );
- }
-
- // Final merge, this should result in a master list of dependent files
- $files = array_merge(
- $this->scripts,
- $styles,
- $context->getDebug() ? $this->debugScripts : array(),
- isset( $this->languageScripts[$context->getLanguage()] ) ?
- (array) $this->languageScripts[$context->getLanguage()] : array(),
- (array) self::getSkinFiles( $context->getSkin(), $this->skinScripts ),
- $this->loaders,
- $this->getFileDependencies( $context->getSkin() )
- );
-
- wfProfileIn( __METHOD__.'-filemtime' );
- $filesMtime = max( array_map( 'filemtime', array_map( array( __CLASS__, 'remapFilename' ), $files ) ) );
- wfProfileOut( __METHOD__.'-filemtime' );
- $this->modifiedTime[$context->getHash()] = max( $filesMtime, $this->getMsgBlobMtime( $context->getLanguage() ) );
- wfProfileOut( __METHOD__ );
- return $this->modifiedTime[$context->getHash()];
- }
-
- /* Protected Members */
-
- /**
- * Get the primary JS for this module. This is pulled from the
- * script files added through addScripts()
- *
- * @return String: JS
- */
- protected function getPrimaryScript() {
- return self::concatScripts( $this->scripts );
- }
-
- /**
- * Get the primary CSS for this module. This is pulled from the CSS
- * files added through addStyles()
- *
- * @return Array
- */
- protected function getPrimaryStyles() {
- return self::concatStyles( $this->styles );
- }
-
- /**
- * Get the debug JS for this module. This is pulled from the script
- * files added through addDebugScripts()
- *
- * @return String: JS
- */
- protected function getDebugScript() {
- return self::concatScripts( $this->debugScripts );
- }
-
- /**
- * Get the language-specific JS for a given language. This is pulled
- * from the language-specific script files added through addLanguageScripts()
- *
- * @return String: JS
- */
- protected function getLanguageScript( $lang ) {
- if ( !isset( $this->languageScripts[$lang] ) ) {
- return '';
- }
- return self::concatScripts( $this->languageScripts[$lang] );
- }
-
- /**
- * Get the skin-specific JS for a given skin. This is pulled from the
- * skin-specific JS files added through addSkinScripts()
- *
- * @return String: JS
- */
- protected function getSkinScript( $skin ) {
- return self::concatScripts( self::getSkinFiles( $skin, $this->skinScripts ) );
- }
-
- /**
- * Get the skin-specific CSS for a given skin. This is pulled from the
- * skin-specific CSS files added through addSkinStyles()
- *
- * @return Array: list of CSS strings keyed by media type
- */
- protected function getSkinStyles( $skin ) {
- return self::concatStyles( self::getSkinFiles( $skin, $this->skinStyles ) );
- }
-
- /**
- * Helper function to get skin-specific data from an array.
- *
- * @param $skin String: skin name
- * @param $map Array: map of skin names to arrays
- * @return $map[$skin] if set and non-empty, or $map['default'] if set, or an empty array
- */
- protected static function getSkinFiles( $skin, $map ) {
- $retval = array();
-
- if ( isset( $map[$skin] ) && $map[$skin] ) {
- $retval = $map[$skin];
- } else if ( isset( $map['default'] ) ) {
- $retval = $map['default'];
- }
-
- return $retval;
- }
-
- /**
- * Get the contents of a set of files and concatenate them, with
- * newlines in between. Each file is used only once.
- *
- * @param $files Array of file names
- * @return String: concatenated contents of $files
- */
- protected static function concatScripts( $files ) {
- return implode( "\n",
- array_map(
- 'file_get_contents',
- array_map(
- array( __CLASS__, 'remapFilename' ),
- array_unique( (array) $files ) ) ) );
- }
-
- protected static function organizeFilesByOption( $files, $option, $default ) {
- $organizedFiles = array();
- foreach ( (array) $files as $key => $value ) {
- if ( is_int( $key ) ) {
- // File name as the value
- if ( !isset( $organizedFiles[$default] ) ) {
- $organizedFiles[$default] = array();
- }
- $organizedFiles[$default][] = $value;
- } else if ( is_array( $value ) ) {
- // File name as the key, options array as the value
- $media = isset( $value[$option] ) ? $value[$option] : $default;
- if ( !isset( $organizedFiles[$media] ) ) {
- $organizedFiles[$media] = array();
- }
- $organizedFiles[$media][] = $key;
- }
- }
- return $organizedFiles;
- }
-
- /**
- * Get the contents of a set of CSS files, remap then and concatenate
- * them, with newlines in between. Each file is used only once.
- *
- * @param $styles Array of file names
- * @return Array: list of concatenated and remapped contents of $files keyed by media type
- */
- protected static function concatStyles( $styles ) {
- $styles = self::organizeFilesByOption( $styles, 'media', 'all' );
- foreach ( $styles as $media => $files ) {
- $styles[$media] =
- implode( "\n",
- array_map(
- array( __CLASS__, 'remapStyle' ),
- array_unique( (array) $files ) ) );
- }
- return $styles;
- }
-
- /**
- * Remap a relative to $IP. Used as a callback for array_map()
- *
- * @param $file String: file name
- * @return string $IP/$file
- */
- protected static function remapFilename( $file ) {
- global $IP;
-
- return "$IP/$file";
- }
-
- /**
- * Get the contents of a CSS file and run it through CSSMin::remap().
- * This wrapper is needed so we can use array_map() in concatStyles()
- *
- * @param $file String: file name
- * @return string Remapped CSS
- */
- protected static function remapStyle( $file ) {
- global $wgScriptPath;
- return CSSMin::remap(
- file_get_contents( self::remapFilename( $file ) ),
- dirname( $file ),
- $wgScriptPath . '/' . dirname( $file ),
- true
- );
- }
-}
-
-/**
- * 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 it's dependence on the
- * functionality of Title::isValidCssJsSubpage.
- */
-abstract class ResourceLoaderWikiModule extends ResourceLoaderModule {
-
- /* Protected Members */
-
- // In-object cache for modified time
- protected $modifiedTime = array();
-
- /* Abstract Protected Methods */
-
- abstract protected function getPages( ResourceLoaderContext $context );
-
- /* Protected Methods */
-
- protected function getContent( $page, $ns ) {
- if ( $ns === NS_MEDIAWIKI ) {
- return wfEmptyMsg( $page ) ? '' : wfMsgExt( $page, 'content' );
- }
- if ( $title = Title::newFromText( $page, $ns ) ) {
- if ( $title->isValidCssJsSubpage() && $revision = Revision::newFromTitle( $title ) ) {
- return $revision->getRawText();
- }
- }
- return null;
- }
-
- /* Methods */
-
- public function getScript( ResourceLoaderContext $context ) {
- $scripts = '';
- foreach ( $this->getPages( $context ) as $page => $options ) {
- if ( $options['type'] === 'script' ) {
- if ( $script = $this->getContent( $page, $options['ns'] ) ) {
- $ns = MWNamespace::getCanonicalName( $options['ns'] );
- $scripts .= "/*$ns:$page */\n$script\n";
- }
- }
- }
- return $scripts;
- }
-
- public function getStyles( ResourceLoaderContext $context ) {
-
- $styles = array();
- foreach ( $this->getPages( $context ) as $page => $options ) {
- if ( $options['type'] === 'style' ) {
- $media = isset( $options['media'] ) ? $options['media'] : 'all';
- if ( $style = $this->getContent( $page, $options['ns'] ) ) {
- if ( !isset( $styles[$media] ) ) {
- $styles[$media] = '';
- }
- $ns = MWNamespace::getCanonicalName( $options['ns'] );
- $styles[$media] .= "/* $ns:$page */\n$style\n";
- }
- }
- }
- return $styles;
- }
-
- public function getModifiedTime( ResourceLoaderContext $context ) {
- $hash = $context->getHash();
- if ( isset( $this->modifiedTime[$hash] ) ) {
- return $this->modifiedTime[$hash];
- }
-
- $titles = array();
- foreach ( $this->getPages( $context ) as $page => $options ) {
- $titles[$options['ns']][$page] = true;
- }
-
- $modifiedTime = 1; // wfTimestamp() interprets 0 as "now"
-
- if ( $titles ) {
- $dbr = wfGetDB( DB_SLAVE );
- $latest = $dbr->selectField( 'page', 'MAX(page_touched)',
- $dbr->makeWhereFrom2d( $titles, 'page_namespace', 'page_title' ),
- __METHOD__ );
-
- if ( $latest ) {
- $modifiedTime = wfTimestamp( TS_UNIX, $latest );
- }
- }
-
- return $this->modifiedTime[$hash] = $modifiedTime;
- }
-}
-
-/**
- * Module for site customizations
- */
-class ResourceLoaderSiteModule extends ResourceLoaderWikiModule {
-
- /* Protected Methods */
-
- protected function getPages( ResourceLoaderContext $context ) {
- global $wgHandheldStyle;
-
- $pages = array(
- 'Common.js' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'script' ),
- 'Common.css' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'style' ),
- ucfirst( $context->getSkin() ) . '.js' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'script' ),
- ucfirst( $context->getSkin() ) . '.css' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'style' ),
- 'Print.css' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'style', 'media' => 'print' ),
- );
- if ( $wgHandheldStyle ) {
- $pages['Handheld.css'] = array( 'ns' => NS_MEDIAWIKI, 'type' => 'style', 'media' => 'handheld' );
- }
- return $pages;
- }
-
- /* Methods */
-
- public function getGroup() {
- return 'site';
- }
-}
-
-/**
- * Module for user customizations
- */
-class ResourceLoaderUserModule extends ResourceLoaderWikiModule {
-
- /* Protected Methods */
-
- protected function getPages( ResourceLoaderContext $context ) {
- global $wgAllowUserCss;
-
- if ( $context->getUser() && $wgAllowUserCss ) {
- $username = $context->getUser();
- return array(
- "$username/common.js" => array( 'ns' => NS_USER, 'type' => 'script' ),
- "$username/" . $context->getSkin() . '.js' => array( 'ns' => NS_USER, 'type' => 'script' ),
- "$username/common.css" => array( 'ns' => NS_USER, 'type' => 'style' ),
- "$username/" . $context->getSkin() . '.css' => array( 'ns' => NS_USER, 'type' => 'style' ),
- );
- }
- return array();
- }
-
- /* Methods */
-
- public function getGroup() {
- return 'user';
- }
-}
-
-/**
- * Module for user preference customizations
- */
-class ResourceLoaderUserOptionsModule extends ResourceLoaderModule {
-
- /* Protected Members */
-
- protected $modifiedTime = array();
-
- /* Methods */
-
- public function getModifiedTime( ResourceLoaderContext $context ) {
- $hash = $context->getHash();
- if ( isset( $this->modifiedTime[$hash] ) ) {
- return $this->modifiedTime[$hash];
- }
-
- global $wgUser;
-
- if ( $context->getUser() === $wgUser->getName() ) {
- return $this->modifiedTime[$hash] = $wgUser->getTouched();
- } else {
- return 1;
- }
- }
-
- /**
- * Fetch the context's user options, or if it doesn't match current user,
- * the default options.
- *
- * @param $context ResourceLoaderContext
- * @return array
- */
- protected function contextUserOptions( ResourceLoaderContext $context ) {
- global $wgUser;
-
- // Verify identity -- this is a private module
- if ( $context->getUser() === $wgUser->getName() ) {
- return $wgUser->getOptions();
- } else {
- return User::getDefaultOptions();
- }
- }
-
- public function getScript( ResourceLoaderContext $context ) {
- $encOptions = FormatJson::encode( $this->contextUserOptions( $context ) );
- return "mediaWiki.user.options.set( $encOptions );";
- }
-
- public function getStyles( ResourceLoaderContext $context ) {
- global $wgAllowUserCssPrefs;
-
- if ( $wgAllowUserCssPrefs ) {
- $options = $this->contextUserOptions( $context );
-
- // Build CSS rules
- $rules = array();
- if ( $options['underline'] < 2 ) {
- $rules[] = "a { text-decoration: " . ( $options['underline'] ? 'underline' : 'none' ) . "; }";
- }
- if ( $options['highlightbroken'] ) {
- $rules[] = "a.new, #quickbar a.new { color: #ba0000; }\n";
- } else {
- $rules[] = "a.new, #quickbar a.new, a.stub, #quickbar a.stub { color: inherit; }";
- $rules[] = "a.new:after, #quickbar a.new:after { content: '?'; color: #ba0000; }";
- $rules[] = "a.stub:after, #quickbar a.stub:after { content: '!'; color: #772233; }";
- }
- if ( $options['justify'] ) {
- $rules[] = "#article, #bodyContent, #mw_content { text-align: justify; }\n";
- }
- if ( !$options['showtoc'] ) {
- $rules[] = "#toc { display: none; }\n";
- }
- if ( !$options['editsection'] ) {
- $rules[] = ".editsection { display: none; }\n";
- }
- if ( $options['editfont'] !== 'default' ) {
- $rules[] = "textarea { font-family: {$options['editfont']}; }\n";
- }
- return array( 'all' => implode( "\n", $rules ) );
- }
- return array();
- }
-
- public function getFlip( $context ) {
- global $wgContLang;
-
- return $wgContLang->getDir() !== $context->getDirection();
- }
-
- public function getGroup() {
- return 'private';
- }
-}
-
-class ResourceLoaderStartUpModule extends ResourceLoaderModule {
- /* Protected Members */
-
- protected $modifiedTime = array();
-
- /* Protected Methods */
-
- protected function getConfig( $context ) {
- global $wgLoadScript, $wgScript, $wgStylePath, $wgScriptExtension,
- $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgBreakFrames,
- $wgVariantArticlePath, $wgActionPaths, $wgUseAjax, $wgVersion,
- $wgEnableAPI, $wgEnableWriteAPI, $wgDBname, $wgEnableMWSuggest,
- $wgSitename, $wgFileExtensions;
-
- // Pre-process information
- $separatorTransTable = $wgContLang->separatorTransformTable();
- $separatorTransTable = $separatorTransTable ? $separatorTransTable : array();
- $compactSeparatorTransTable = array(
- implode( "\t", array_keys( $separatorTransTable ) ),
- implode( "\t", $separatorTransTable ),
- );
- $digitTransTable = $wgContLang->digitTransformTable();
- $digitTransTable = $digitTransTable ? $digitTransTable : array();
- $compactDigitTransTable = array(
- implode( "\t", array_keys( $digitTransTable ) ),
- implode( "\t", $digitTransTable ),
- );
- $mainPage = Title::newMainPage();
-
- // Build list of variables
- $vars = array(
- 'wgLoadScript' => $wgLoadScript,
- 'debug' => $context->getDebug(),
- 'skin' => $context->getSkin(),
- 'stylepath' => $wgStylePath,
- 'wgUrlProtocols' => wfUrlProtocols(),
- 'wgArticlePath' => $wgArticlePath,
- 'wgScriptPath' => $wgScriptPath,
- 'wgScriptExtension' => $wgScriptExtension,
- 'wgScript' => $wgScript,
- 'wgVariantArticlePath' => $wgVariantArticlePath,
- 'wgActionPaths' => $wgActionPaths,
- 'wgServer' => $wgServer,
- 'wgUserLanguage' => $context->getLanguage(),
- 'wgContentLanguage' => $wgContLang->getCode(),
- 'wgBreakFrames' => $wgBreakFrames,
- 'wgVersion' => $wgVersion,
- 'wgEnableAPI' => $wgEnableAPI,
- 'wgEnableWriteAPI' => $wgEnableWriteAPI,
- 'wgSeparatorTransformTable' => $compactSeparatorTransTable,
- 'wgDigitTransformTable' => $compactDigitTransTable,
- 'wgMainPageTitle' => $mainPage ? $mainPage->getPrefixedText() : null,
- 'wgFormattedNamespaces' => $wgContLang->getFormattedNamespaces(),
- 'wgNamespaceIds' => $wgContLang->getNamespaceIds(),
- 'wgSiteName' => $wgSitename,
- 'wgFileExtensions' => $wgFileExtensions,
- 'wgDBname' => $wgDBname,
- );
- if ( $wgContLang->hasVariants() ) {
- $vars['wgUserVariant'] = $wgContLang->getPreferredVariant();
- }
- if ( $wgUseAjax && $wgEnableMWSuggest ) {
- $vars['wgMWSuggestTemplate'] = SearchEngine::getMWSuggestTemplate();
- }
-
- return $vars;
- }
-
- /**
- * Gets registration code for all modules
- *
- * @param $context ResourceLoaderContext object
- * @return String: JavaScript code for registering all modules with the client loader
- */
- public static function getModuleRegistrations( ResourceLoaderContext $context ) {
- global $wgCacheEpoch;
- wfProfileIn( __METHOD__ );
-
- $out = '';
- $registrations = array();
- foreach ( $context->getResourceLoader()->getModules() as $name => $module ) {
- // Support module loader scripts
- if ( ( $loader = $module->getLoaderScript() ) !== false ) {
- $deps = $module->getDependencies();
- $group = $module->getGroup();
- $version = wfTimestamp( TS_ISO_8601_BASIC, round( $module->getModifiedTime( $context ), -2 ) );
- $out .= ResourceLoader::makeCustomLoaderScript( $name, $version, $deps, $group, $loader );
- }
- // Automatically register module
- else {
- $mtime = max( $module->getModifiedTime( $context ), wfTimestamp( TS_UNIX, $wgCacheEpoch ) );
- // Modules without dependencies or a group pass two arguments (name, timestamp) to
- // mediaWiki.loader.register()
- if ( !count( $module->getDependencies() && $module->getGroup() === null ) ) {
- $registrations[] = array( $name, $mtime );
- }
- // Modules with dependencies but no group pass three arguments (name, timestamp, dependencies)
- // to mediaWiki.loader.register()
- else if ( $module->getGroup() === null ) {
- $registrations[] = array(
- $name, $mtime, $module->getDependencies() );
- }
- // Modules with dependencies pass four arguments (name, timestamp, dependencies, group)
- // to mediaWiki.loader.register()
- else {
- $registrations[] = array(
- $name, $mtime, $module->getDependencies(), $module->getGroup() );
- }
- }
- }
- $out .= ResourceLoader::makeLoaderRegisterScript( $registrations );
-
- wfProfileOut( __METHOD__ );
- return $out;
- }
-
- /* Methods */
-
- public function getScript( ResourceLoaderContext $context ) {
- global $IP, $wgLoadScript;
-
- $out = file_get_contents( "$IP/resources/startup.js" );
- if ( $context->getOnly() === 'scripts' ) {
- // Build load query for jquery and mediawiki modules
- $query = array(
- 'modules' => implode( '|', array( 'jquery', 'mediawiki' ) ),
- 'only' => 'scripts',
- 'lang' => $context->getLanguage(),
- 'skin' => $context->getSkin(),
- 'debug' => $context->getDebug() ? 'true' : 'false',
- 'version' => wfTimestamp( TS_ISO_8601_BASIC, round( max(
- $context->getResourceLoader()->getModule( 'jquery' )->getModifiedTime( $context ),
- $context->getResourceLoader()->getModule( 'mediawiki' )->getModifiedTime( $context )
- ), -2 ) )
- );
- // Ensure uniform query order
- ksort( $query );
-
- // Startup function
- $configuration = FormatJson::encode( $this->getConfig( $context ) );
- $registrations = self::getModuleRegistrations( $context );
- $out .= "var startUp = function() {\n\t$registrations\n\tmediaWiki.config.set( $configuration );\n};";
-
- // Conditional script injection
- $scriptTag = Xml::escapeJsString( Html::linkedScript( $wgLoadScript . '?' . wfArrayToCGI( $query ) ) );
- $out .= "if ( isCompatible() ) {\n\tdocument.write( '$scriptTag' );\n}\ndelete isCompatible;";
- }
-
- return $out;
- }
-
- public function getModifiedTime( ResourceLoaderContext $context ) {
- global $IP, $wgCacheEpoch;
-
- $hash = $context->getHash();
- if ( isset( $this->modifiedTime[$hash] ) ) {
- return $this->modifiedTime[$hash];
- }
- $this->modifiedTime[$hash] = filemtime( "$IP/resources/startup.js" );
-
- // ATTENTION!: Because of the line above, this is not going to cause infinite recursion - think carefully
- // before making changes to this code!
- $time = wfTimestamp( TS_UNIX, $wgCacheEpoch );
- foreach ( $context->getResourceLoader()->getModules() as $module ) {
- $time = max( $time, $module->getModifiedTime( $context ) );
- }
- return $this->modifiedTime[$hash] = $time;
- }
-
- public function getFlip( $context ) {
- global $wgContLang;
-
- return $wgContLang->getDir() !== $context->getDirection();
- }
-
- /* Methods */
-
- public function getGroup() {
- return 'startup';
- }
-}
--- /dev/null
+<?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 Roan Kattouw
+ * @author Trevor Parscal
+ */
+
+defined( 'MEDIAWIKI' ) || die( 1 );
+
+/**
+ * Dynamic JavaScript and CSS resource loading system
+ */
+class ResourceLoader {
+
+ /* Protected Static Members */
+
+ // @var array list of module name/ResourceLoaderModule object pairs
+ protected $modules = array();
+
+ /* Protected Methods */
+
+ /**
+ * Loads information stored in the database about modules
+ *
+ * This is not inside the module code because it's so much more performant to request all of the information at once
+ * than it is to have each module requests it's own information.
+ *
+ * @param $modules array list of module names to preload information for
+ * @param $context ResourceLoaderContext context to load the information within
+ */
+ protected function preloadModuleInfo( array $modules, ResourceLoaderContext $context ) {
+ if ( !count( $modules ) ) {
+ return; # or Database*::select() will explode
+ }
+ $dbr = wfGetDb( DB_SLAVE );
+ $skin = $context->getSkin();
+ $lang = $context->getLanguage();
+
+ // Get file dependency information
+ $res = $dbr->select( 'module_deps', array( 'md_module', 'md_deps' ), array(
+ 'md_module' => $modules,
+ 'md_skin' => $context->getSkin()
+ ), __METHOD__
+ );
+
+ $modulesWithDeps = array();
+ foreach ( $res as $row ) {
+ $this->modules[$row->md_module]->setFileDependencies( $skin,
+ FormatJson::decode( $row->md_deps, true )
+ );
+ $modulesWithDeps[] = $row->md_module;
+ }
+ // Register the absence of a dependencies row too
+ foreach ( array_diff( $modules, $modulesWithDeps ) as $name ) {
+ $this->modules[$name]->setFileDependencies( $skin, array() );
+ }
+
+ // Get message blob mtimes. Only do this for modules with messages
+ $modulesWithMessages = array();
+ $modulesWithoutMessages = array();
+ foreach ( $modules as $name ) {
+ if ( count( $this->modules[$name]->getMessages() ) ) {
+ $modulesWithMessages[] = $name;
+ } else {
+ $modulesWithoutMessages[] = $name;
+ }
+ }
+ if ( count( $modulesWithMessages ) ) {
+ $res = $dbr->select( 'msg_resource', array( 'mr_resource', 'mr_timestamp' ), array(
+ 'mr_resource' => $modulesWithMessages,
+ 'mr_lang' => $lang
+ ), __METHOD__
+ );
+ foreach ( $res as $row ) {
+ $this->modules[$row->mr_resource]->setMsgBlobMtime( $lang, $row->mr_timestamp );
+ }
+ }
+ foreach ( $modulesWithoutMessages as $name ) {
+ $this->modules[$name]->setMsgBlobMtime( $lang, 0 );
+ }
+ }
+
+ /**
+ * Runs text through a filter, caching the filtered result for future calls
+ *
+ * @param $filter String: name of filter to run
+ * @param $data String: text to filter, such as JavaScript or CSS text
+ * @param $file String: path to file being filtered, (optional: only required for CSS to resolve paths)
+ * @return String: filtered data
+ */
+ protected function filter( $filter, $data ) {
+ global $wgMemc;
+ wfProfileIn( __METHOD__ );
+
+ // For empty or whitespace-only things, don't do any processing
+ if ( trim( $data ) === '' ) {
+ wfProfileOut( __METHOD__ );
+ return $data;
+ }
+
+ // Try memcached
+ $key = wfMemcKey( 'resourceloader', 'filter', $filter, md5( $data ) );
+ $cached = $wgMemc->get( $key );
+
+ if ( $cached !== false && $cached !== null ) {
+ wfProfileOut( __METHOD__ );
+ return $cached;
+ }
+
+ // Run the filter
+ try {
+ switch ( $filter ) {
+ case 'minify-js':
+ $result = JSMin::minify( $data );
+ break;
+ case 'minify-css':
+ $result = CSSMin::minify( $data );
+ break;
+ case 'flip-css':
+ $result = CSSJanus::transform( $data, true, false );
+ break;
+ default:
+ // Don't cache anything, just pass right through
+ wfProfileOut( __METHOD__ );
+ return $data;
+ }
+ } catch ( Exception $exception ) {
+ throw new MWException( 'Filter threw an exception: ' . $exception->getMessage() );
+ }
+
+ // Save to memcached
+ $wgMemc->set( $key, $result );
+
+ wfProfileOut( __METHOD__ );
+ return $result;
+ }
+
+ /* Methods */
+
+ /**
+ * Registers core modules and runs registration hooks
+ */
+ public function __construct() {
+ global $IP;
+
+ wfProfileIn( __METHOD__ );
+
+ // Register core modules
+ $this->register( include( "$IP/resources/Resources.php" ) );
+ // Register extension modules
+ wfRunHooks( 'ResourceLoaderRegisterModules', array( &$this ) );
+
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Registers a module with the ResourceLoader system.
+ *
+ * Note that registering the same object under multiple names is not supported
+ * and may silently fail in all kinds of interesting ways.
+ *
+ * @param $name Mixed: string of name of module or array of name/object pairs
+ * @param $object ResourceLoaderModule: module object (optional when using
+ * multiple-registration calling style)
+ * @return Boolean: false if there were any errors, in which case one or more
+ * modules were not registered
+ *
+ * @todo We need much more clever error reporting, not just in detailing what
+ * happened, but in bringing errors to the client in a way that they can
+ * easily see them if they want to, such as by using FireBug
+ */
+ public function register( $name, ResourceLoaderModule $object = null ) {
+ wfProfileIn( __METHOD__ );
+
+ // Allow multiple modules to be registered in one call
+ if ( is_array( $name ) && !isset( $object ) ) {
+ foreach ( $name as $key => $value ) {
+ $this->register( $key, $value );
+ }
+
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ // Disallow duplicate registrations
+ if ( isset( $this->modules[$name] ) ) {
+ // A module has already been registered by this name
+ throw new MWException( 'Another module has already been registered as ' . $name );
+ }
+
+ // Validate the input (type hinting lets null through)
+ if ( !( $object instanceof ResourceLoaderModule ) ) {
+ throw new MWException( 'Invalid ResourceLoader module error. Instances of ResourceLoaderModule expected.' );
+ }
+
+ // Attach module
+ $this->modules[$name] = $object;
+ $object->setName( $name );
+
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Gets a map of all modules and their options
+ *
+ * @return Array: array( modulename => ResourceLoaderModule )
+ */
+ public function getModules() {
+ return $this->modules;
+ }
+
+ /**
+ * Get the ResourceLoaderModule object for a given module name
+ *
+ * @param $name String: module name
+ * @return mixed ResourceLoaderModule or null if not registered
+ */
+ public function getModule( $name ) {
+ return isset( $this->modules[$name] ) ? $this->modules[$name] : null;
+ }
+
+ /**
+ * Outputs a response to a resource load-request, including a content-type header
+ *
+ * @param $context ResourceLoaderContext object
+ */
+ public function respond( ResourceLoaderContext $context ) {
+ global $wgResourceLoaderMaxage, $wgCacheEpoch;
+
+ wfProfileIn( __METHOD__ );
+
+ // Split requested modules into two groups, modules and missing
+ $modules = array();
+ $missing = array();
+
+ foreach ( $context->getModules() as $name ) {
+ if ( isset( $this->modules[$name] ) ) {
+ $modules[$name] = $this->modules[$name];
+ } else {
+ $missing[] = $name;
+ }
+ }
+
+ // If a version wasn't specified we need a shorter expiry time for updates to
+ // propagate to clients quickly
+ if ( is_null( $context->getVersion() ) ) {
+ $maxage = $wgResourceLoaderMaxage['unversioned']['client'];
+ $smaxage = $wgResourceLoaderMaxage['unversioned']['server'];
+ }
+ // If a version was specified we can use a longer expiry time since changing
+ // version numbers causes cache misses
+ else {
+ $maxage = $wgResourceLoaderMaxage['versioned']['client'];
+ $smaxage = $wgResourceLoaderMaxage['versioned']['server'];
+ }
+
+ // Preload information needed to the mtime calculation below
+ $this->preloadModuleInfo( array_keys( $modules ), $context );
+
+ // To send Last-Modified and support If-Modified-Since, we need to detect
+ // the last modified time
+ wfProfileIn( __METHOD__.'-getModifiedTime' );
+ $mtime = wfTimestamp( TS_UNIX, $wgCacheEpoch );
+ foreach ( $modules as $module ) {
+ // Bypass squid cache if the request includes any private modules
+ if ( $module->getGroup() === 'private' ) {
+ $smaxage = 0;
+ }
+ // Calculate maximum modified time
+ $mtime = max( $mtime, $module->getModifiedTime( $context ) );
+ }
+ wfProfileOut( __METHOD__.'-getModifiedTime' );
+
+ header( 'Content-Type: ' . ( $context->getOnly() === 'styles' ? 'text/css' : 'text/javascript' ) );
+ header( 'Last-Modified: ' . wfTimestamp( TS_RFC2822, $mtime ) );
+ header( "Cache-Control: public, max-age=$maxage, s-maxage=$smaxage" );
+ header( 'Expires: ' . wfTimestamp( TS_RFC2822, min( $maxage, $smaxage ) + time() ) );
+
+ // If there's an If-Modified-Since header, respond with a 304 appropriately
+ $ims = $context->getRequest()->getHeader( 'If-Modified-Since' );
+ if ( $ims !== false && $mtime <= wfTimestamp( TS_UNIX, $ims ) ) {
+ header( 'HTTP/1.0 304 Not Modified' );
+ header( 'Status: 304 Not Modified' );
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ $response = $this->makeModuleResponse( $context, $modules, $missing );
+ if ( $context->getDebug() && strlen( $warnings = ob_get_contents() ) ) {
+ $response .= "/*\n$warnings\n*/";
+ }
+ // Clear any warnings from the buffer
+ ob_clean();
+ echo $response;
+
+ wfProfileOut( __METHOD__ );
+ }
+
+ public function makeModuleResponse( ResourceLoaderContext $context, array $modules, $missing = null ) {
+ // Pre-fetch blobs
+ $blobs = $context->shouldIncludeMessages() ?
+ MessageBlobStore::get( $this, $modules, $context->getLanguage() ) : array();
+
+ // Generate output
+ $out = '';
+ foreach ( $modules as $name => $module ) {
+ wfProfileIn( __METHOD__ . '-' . $name );
+
+ // Scripts
+ $scripts = '';
+ if ( $context->shouldIncludeScripts() ) {
+ $scripts .= $module->getScript( $context ) . "\n";
+ }
+
+ // Styles
+ $styles = array();
+ if ( $context->shouldIncludeStyles() && ( count( $styles = $module->getStyles( $context ) ) ) ) {
+ // Flip CSS on a per-module basis
+ if ( $this->modules[$name]->getFlip( $context ) ) {
+ foreach ( $styles as $media => $style ) {
+ $styles[$media] = $this->filter( 'flip-css', $style );
+ }
+ }
+ }
+
+ // Messages
+ $messages = isset( $blobs[$name] ) ? $blobs[$name] : '{}';
+
+ // Append output
+ switch ( $context->getOnly() ) {
+ case 'scripts':
+ $out .= $scripts;
+ break;
+ case 'styles':
+ $out .= self::makeCombinedStyles( $styles );
+ break;
+ case 'messages':
+ $out .= self::makeMessageSetScript( $messages );
+ break;
+ default:
+ // Minify CSS before embedding in mediaWiki.loader.implement call (unless in debug mode)
+ if ( !$context->getDebug() ) {
+ foreach ( $styles as $media => $style ) {
+ $styles[$media] = $this->filter( 'minify-css', $style );
+ }
+ }
+ $out .= self::makeLoaderImplementScript( $name, $scripts, $styles, $messages );
+ break;
+ }
+
+ wfProfileOut( __METHOD__ . '-' . $name );
+ }
+
+ // Update module states
+ if ( $context->shouldIncludeScripts() ) {
+ // Set the state of modules loaded as only scripts to ready
+ if ( count( $modules ) && $context->getOnly() === 'scripts' && !isset( $modules['startup'] ) ) {
+ $out .= self::makeLoaderStateScript( array_fill_keys( array_keys( $modules ), 'ready' ) );
+ }
+ // Set the state of modules which were requested but unavailable as missing
+ if ( is_array( $missing ) && count( $missing ) ) {
+ $out .= self::makeLoaderStateScript( array_fill_keys( $missing, 'missing' ) );
+ }
+ }
+
+ if ( $context->getDebug() ) {
+ return $out;
+ } else {
+ if ( $context->getOnly() === 'styles' ) {
+ return $this->filter( 'minify-css', $out );
+ } else {
+ return $this->filter( 'minify-js', $out );
+ }
+ }
+ }
+
+ /* Static Methods */
+
+ public static function makeLoaderImplementScript( $name, $scripts, $styles, $messages ) {
+ if ( is_array( $scripts ) ) {
+ $scripts = implode( $scripts, "\n" );
+ }
+ if ( is_array( $styles ) ) {
+ $styles = count( $styles ) ? FormatJson::encode( $styles ) : 'null';
+ }
+ if ( is_array( $messages ) ) {
+ $messages = count( $messages ) ? FormatJson::encode( $messages ) : 'null';
+ }
+ return "mediaWiki.loader.implement( '$name', function() {{$scripts}},\n$styles,\n$messages );\n";
+ }
+
+ public static function makeMessageSetScript( $messages ) {
+ if ( is_array( $messages ) ) {
+ $messages = count( $messages ) ? FormatJson::encode( $messages ) : 'null';
+ }
+ return "mediaWiki.msg.set( $messages );\n";
+ }
+
+ public static function makeCombinedStyles( array $styles ) {
+ $out = '';
+ foreach ( $styles as $media => $style ) {
+ $out .= "@media $media {\n" . str_replace( "\n", "\n\t", "\t" . $style ) . "\n}\n";
+ }
+ return $out;
+ }
+
+ public static function makeLoaderStateScript( $name, $state = null ) {
+ if ( is_array( $name ) ) {
+ $statuses = FormatJson::encode( $name );
+ return "mediaWiki.loader.state( $statuses );\n";
+ } else {
+ $name = Xml::escapeJsString( $name );
+ $state = Xml::escapeJsString( $state );
+ return "mediaWiki.loader.state( '$name', '$state' );\n";
+ }
+ }
+
+ public static function makeCustomLoaderScript( $name, $version, $dependencies, $group, $script ) {
+ $name = Xml::escapeJsString( $name );
+ $version = (int) $version > 1 ? (int) $version : 1;
+ $dependencies = FormatJson::encode( $dependencies );
+ $group = FormatJson::encode( $group );
+ $script = str_replace( "\n", "\n\t", trim( $script ) );
+ return "( function( name, version, dependencies, group ) {\n\t$script\n} )" .
+ "( '$name', $version, $dependencies, $group );\n";
+ }
+
+ public static function makeLoaderRegisterScript( $name, $version = null, $dependencies = null, $group = null ) {
+ if ( is_array( $name ) ) {
+ $registrations = FormatJson::encode( $name );
+ return "mediaWiki.loader.register( $registrations );\n";
+ } else {
+ $name = Xml::escapeJsString( $name );
+ $version = (int) $version > 1 ? (int) $version : 1;
+ $dependencies = FormatJson::encode( $dependencies );
+ $group = FormatJson::encode( $group );
+ return "mediaWiki.loader.register( '$name', $version, $dependencies, $group );\n";
+ }
+ }
+
+ public static function makeLoaderConditionalScript( $script ) {
+ $script = str_replace( "\n", "\n\t", trim( $script ) );
+ return "if ( window.mediaWiki ) {\n\t$script\n}\n";
+ }
+
+ public static function makeConfigSetScript( array $configuration ) {
+ $configuration = FormatJson::encode( $configuration );
+ return "mediaWiki.config.set( $configuration );\n";
+ }
+}
--- /dev/null
+<?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 );
+
+/**
+ * Object passed around to modules which contains information about the state
+ * of a specific loader request
+ */
+class ResourceLoaderContext {
+
+ /* Protected Members */
+
+ protected $resourceLoader;
+ protected $request;
+ protected $modules;
+ protected $language;
+ protected $direction;
+ protected $skin;
+ protected $user;
+ protected $debug;
+ protected $only;
+ protected $version;
+ protected $hash;
+
+ /* Methods */
+
+ public function __construct( ResourceLoader $resourceLoader, WebRequest $request ) {
+ global $wgLang, $wgDefaultSkin, $wgResourceLoaderDebug;
+
+ $this->resourceLoader = $resourceLoader;
+ $this->request = $request;
+ // Interpret request
+ $modules = $request->getVal( 'modules' );
+ $this->modules = $modules ? explode( '|', $modules ) : array();
+ $this->language = $request->getVal( 'lang' );
+ $this->direction = $request->getVal( 'dir' );
+ $this->skin = $request->getVal( 'skin' );
+ $this->user = $request->getVal( 'user' );
+ $this->debug = $request->getFuzzyBool( 'debug', $wgResourceLoaderDebug );
+ $this->only = $request->getVal( 'only' );
+ $this->version = $request->getVal( 'version' );
+
+ // Fallback on system defaults
+ if ( !$this->language ) {
+ $this->language = $wgLang->getCode();
+ }
+
+ if ( !$this->direction ) {
+ $this->direction = Language::factory( $this->language )->getDir();
+ }
+
+ if ( !$this->skin ) {
+ $this->skin = $wgDefaultSkin;
+ }
+ }
+
+ public function getResourceLoader() {
+ return $this->resourceLoader;
+ }
+
+ public function getRequest() {
+ return $this->request;
+ }
+
+ public function getModules() {
+ return $this->modules;
+ }
+
+ public function getLanguage() {
+ return $this->language;
+ }
+
+ public function getDirection() {
+ return $this->direction;
+ }
+
+ public function getSkin() {
+ return $this->skin;
+ }
+
+ public function getUser() {
+ return $this->user;
+ }
+
+ public function getDebug() {
+ return $this->debug;
+ }
+
+ public function getOnly() {
+ return $this->only;
+ }
+
+ public function getVersion() {
+ return $this->version;
+ }
+
+ public function shouldIncludeScripts() {
+ return is_null( $this->only ) || $this->only === 'scripts';
+ }
+
+ public function shouldIncludeStyles() {
+ return is_null( $this->only ) || $this->only === 'styles';
+ }
+
+ public function shouldIncludeMessages() {
+ return is_null( $this->only ) || $this->only === 'messages';
+ }
+
+ public function getHash() {
+ if ( isset( $this->hash ) ) {
+ $this->hash = implode( '|', array(
+ $this->language, $this->direction, $this->skin, $this->user,
+ $this->debug, $this->only, $this->version
+ ) );
+ }
+ return $this->hash;
+ }
+}
--- /dev/null
+<?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, with name registration and maxage functionality.
+ */
+abstract class ResourceLoaderModule {
+
+ /* Protected Members */
+
+ protected $name = null;
+
+ // In-object cache for file dependencies
+ protected $fileDeps = array();
+ // In-object cache for message blob mtime
+ protected $msgBlobMtime = array();
+
+ /* Methods */
+
+ /**
+ * Get this module's name. This is set when the module is registered
+ * with ResourceLoader::register()
+ *
+ * @return Mixed: name (string) or null if no name was set
+ */
+ public function getName() {
+ return $this->name;
+ }
+
+ /**
+ * Set this module's name. This is called by ResourceLodaer::register()
+ * when registering the module. Other code should not call this.
+ *
+ * @param $name String: name
+ */
+ public function setName( $name ) {
+ $this->name = $name;
+ }
+
+ /**
+ * Get whether CSS for this module should be flipped
+ */
+ public function getFlip( $context ) {
+ return $context->getDirection() === 'rtl';
+ }
+
+ /**
+ * Get all JS for this module for a given language and skin.
+ * Includes all relevant JS except loader scripts.
+ *
+ * @param $context ResourceLoaderContext object
+ * @return String: JS
+ */
+ public function getScript( ResourceLoaderContext $context ) {
+ // Stub, override expected
+ return '';
+ }
+
+ /**
+ * Get all CSS for this module for a given skin.
+ *
+ * @param $context ResourceLoaderContext object
+ * @return array: strings of CSS keyed by media type
+ */
+ public function getStyles( ResourceLoaderContext $context ) {
+ // Stub, override expected
+ return '';
+ }
+
+ /**
+ * Get the messages needed for this module.
+ *
+ * To get a JSON blob with messages, use MessageBlobStore::get()
+ *
+ * @return array of message keys. Keys may occur more than once
+ */
+ public function getMessages() {
+ // Stub, override expected
+ return array();
+ }
+
+ /**
+ * Get the group this module is in.
+ *
+ * @return string of group name
+ */
+ public function getGroup() {
+ // Stub, override expected
+ return null;
+ }
+
+ /**
+ * Get the loader JS for this module, if set.
+ *
+ * @return Mixed: loader JS (string) or false if no custom loader set
+ */
+ public function getLoaderScript() {
+ // Stub, override expected
+ return false;
+ }
+
+ /**
+ * Get a list of modules this module depends on.
+ *
+ * Dependency information is taken into account when loading a module
+ * on the client side. When adding a module on the server side,
+ * dependency information is NOT taken into account and YOU are
+ * responsible for adding dependent modules as well. If you don't do
+ * this, the client side loader will send a second request back to the
+ * server to fetch the missing modules, which kind of defeats the
+ * purpose of the resource loader.
+ *
+ * To add dependencies dynamically on the client side, use a custom
+ * loader script, see getLoaderScript()
+ * @return Array of module names (strings)
+ */
+ public function getDependencies() {
+ // Stub, override expected
+ return array();
+ }
+
+ /**
+ * Get the files this module depends on indirectly for a given skin.
+ * Currently these are only image files referenced by the module's CSS.
+ *
+ * @param $skin String: skin name
+ * @return array of files
+ */
+ public function getFileDependencies( $skin ) {
+ // Try in-object cache first
+ if ( isset( $this->fileDeps[$skin] ) ) {
+ return $this->fileDeps[$skin];
+ }
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $deps = $dbr->selectField( 'module_deps', 'md_deps', array(
+ 'md_module' => $this->getName(),
+ 'md_skin' => $skin,
+ ), __METHOD__
+ );
+ if ( !is_null( $deps ) ) {
+ return $this->fileDeps[$skin] = (array) FormatJson::decode( $deps, true );
+ }
+ return $this->fileDeps[$skin] = array();
+ }
+
+ /**
+ * Set preloaded file dependency information. Used so we can load this
+ * information for all modules at once.
+ * @param $skin string Skin name
+ * @param $deps array Array of file names
+ */
+ public function setFileDependencies( $skin, $deps ) {
+ $this->fileDeps[$skin] = $deps;
+ }
+
+ /**
+ * Get the last modification timestamp of the message blob for this
+ * module in a given language.
+ * @param $lang string Language code
+ * @return int UNIX timestamp, or 0 if no blob found
+ */
+ public function getMsgBlobMtime( $lang ) {
+ if ( !count( $this->getMessages() ) )
+ return 0;
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $msgBlobMtime = $dbr->selectField( 'msg_resource', 'mr_timestamp', array(
+ 'mr_resource' => $this->getName(),
+ 'mr_lang' => $lang
+ ), __METHOD__
+ );
+ $this->msgBlobMtime[$lang] = $msgBlobMtime ? wfTimestamp( TS_UNIX, $msgBlobMtime ) : 0;
+ return $this->msgBlobMtime[$lang];
+ }
+
+ /**
+ * Set a preloaded message blob last modification timestamp. Used so we
+ * can load this information for all modules at once.
+ * @param $lang string Language code
+ * @param $mtime int UNIX timestamp or 0 if there is no such blob
+ */
+ public function setMsgBlobMtime( $lang, $mtime ) {
+ $this->msgBlobMtime[$lang] = $mtime;
+ }
+
+ /* Abstract Methods */
+
+ /**
+ * Get this module's last modification timestamp for a given
+ * combination of language, skin and debug mode flag. This is typically
+ * the highest of each of the relevant components' modification
+ * timestamps. Whenever anything happens that changes the module's
+ * contents for these parameters, the mtime should increase.
+ *
+ * @param $context ResourceLoaderContext object
+ * @return int UNIX timestamp
+ */
+ public function getModifiedTime( ResourceLoaderContext $context ) {
+ // 0 would mean now
+ return 1;
+ }
+}
+
+/**
+ * Module based on local JS/CSS files. This is the most common type of module.
+ */
+class ResourceLoaderFileModule extends ResourceLoaderModule {
+ /* Protected Members */
+
+ protected $scripts = array();
+ protected $styles = array();
+ protected $messages = array();
+ protected $group;
+ protected $dependencies = array();
+ protected $debugScripts = array();
+ protected $languageScripts = array();
+ protected $skinScripts = array();
+ protected $skinStyles = array();
+ protected $loaders = array();
+ protected $parameters = array();
+
+ // In-object cache for file dependencies
+ protected $fileDeps = array();
+ // In-object cache for mtime
+ protected $modifiedTime = array();
+
+ /* Methods */
+
+ /**
+ * Construct a new module from an options array.
+ *
+ * @param $options array Options array. If empty, an empty module will be constructed
+ *
+ * $options format:
+ * array(
+ * // Required module options (mutually exclusive)
+ * 'scripts' => 'dir/script.js' | array( 'dir/script1.js', 'dir/script2.js' ... ),
+ *
+ * // Optional module options
+ * 'languageScripts' => array(
+ * '[lang name]' => 'dir/lang.js' | '[lang name]' => array( 'dir/lang1.js', 'dir/lang2.js' ... )
+ * ...
+ * ),
+ * 'skinScripts' => 'dir/skin.js' | array( 'dir/skin1.js', 'dir/skin2.js' ... ),
+ * 'debugScripts' => 'dir/debug.js' | array( 'dir/debug1.js', 'dir/debug2.js' ... ),
+ *
+ * // Non-raw module options
+ * 'dependencies' => 'module' | array( 'module1', 'module2' ... )
+ * 'loaderScripts' => 'dir/loader.js' | array( 'dir/loader1.js', 'dir/loader2.js' ... ),
+ * 'styles' => 'dir/file.css' | array( 'dir/file1.css', 'dir/file2.css' ... ), |
+ * array( 'dir/file1.css' => array( 'media' => 'print' ) ),
+ * 'skinStyles' => array(
+ * '[skin name]' => 'dir/skin.css' | array( 'dir/skin1.css', 'dir/skin2.css' ... ) |
+ * array( 'dir/file1.css' => array( 'media' => 'print' )
+ * ...
+ * ),
+ * 'messages' => array( 'message1', 'message2' ... ),
+ * 'group' => 'stuff',
+ * )
+ *
+ * @param $basePath String: base path to prepend to all paths in $options
+ */
+ public function __construct( $options = array(), $basePath = null ) {
+ foreach ( $options as $option => $value ) {
+ switch ( $option ) {
+ case 'scripts':
+ case 'debugScripts':
+ case 'languageScripts':
+ case 'skinScripts':
+ case 'loaders':
+ $this->{$option} = (array)$value;
+ // Automatically prefix script paths
+ if ( is_string( $basePath ) ) {
+ foreach ( $this->{$option} as $key => $value ) {
+ $this->{$option}[$key] = $basePath . $value;
+ }
+ }
+ break;
+ case 'styles':
+ case 'skinStyles':
+ $this->{$option} = (array)$value;
+ // Automatically prefix style paths
+ if ( is_string( $basePath ) ) {
+ foreach ( $this->{$option} as $key => $value ) {
+ if ( is_array( $value ) ) {
+ $this->{$option}[$basePath . $key] = $value;
+ unset( $this->{$option}[$key] );
+ } else {
+ $this->{$option}[$key] = $basePath . $value;
+ }
+ }
+ }
+ break;
+ case 'dependencies':
+ case 'messages':
+ $this->{$option} = (array)$value;
+ break;
+ case 'group':
+ $this->group = (string)$value;
+ break;
+ }
+ }
+ }
+
+ /**
+ * Add script files to this module. In order to be valid, a module
+ * must contain at least one script file.
+ *
+ * @param $scripts Mixed: path to script file (string) or array of paths
+ */
+ public function addScripts( $scripts ) {
+ $this->scripts = array_merge( $this->scripts, (array)$scripts );
+ }
+
+ /**
+ * Add style (CSS) files to this module.
+ *
+ * @param $styles Mixed: path to CSS file (string) or array of paths
+ */
+ public function addStyles( $styles ) {
+ $this->styles = array_merge( $this->styles, (array)$styles );
+ }
+
+ /**
+ * Add messages to this module.
+ *
+ * @param $messages Mixed: message key (string) or array of message keys
+ */
+ public function addMessages( $messages ) {
+ $this->messages = array_merge( $this->messages, (array)$messages );
+ }
+
+ /**
+ * Sets the group of this module.
+ *
+ * @param $group string group name
+ */
+ public function setGroup( $group ) {
+ $this->group = $group;
+ }
+
+ /**
+ * Add dependencies. Dependency information is taken into account when
+ * loading a module on the client side. When adding a module on the
+ * server side, dependency information is NOT taken into account and
+ * YOU are responsible for adding dependent modules as well. If you
+ * don't do this, the client side loader will send a second request
+ * back to the server to fetch the missing modules, which kind of
+ * defeats the point of using the resource loader in the first place.
+ *
+ * To add dependencies dynamically on the client side, use a custom
+ * loader (see addLoaders())
+ *
+ * @param $dependencies Mixed: module name (string) or array of module names
+ */
+ public function addDependencies( $dependencies ) {
+ $this->dependencies = array_merge( $this->dependencies, (array)$dependencies );
+ }
+
+ /**
+ * Add debug scripts to the module. These scripts are only included
+ * in debug mode.
+ *
+ * @param $scripts Mixed: path to script file (string) or array of paths
+ */
+ public function addDebugScripts( $scripts ) {
+ $this->debugScripts = array_merge( $this->debugScripts, (array)$scripts );
+ }
+
+ /**
+ * Add language-specific scripts. These scripts are only included for
+ * a given language.
+ *
+ * @param $lang String: language code
+ * @param $scripts Mixed: path to script file (string) or array of paths
+ */
+ public function addLanguageScripts( $lang, $scripts ) {
+ $this->languageScripts = array_merge_recursive(
+ $this->languageScripts,
+ array( $lang => $scripts )
+ );
+ }
+
+ /**
+ * Add skin-specific scripts. These scripts are only included for
+ * a given skin.
+ *
+ * @param $skin String: skin name, or 'default'
+ * @param $scripts Mixed: path to script file (string) or array of paths
+ */
+ public function addSkinScripts( $skin, $scripts ) {
+ $this->skinScripts = array_merge_recursive(
+ $this->skinScripts,
+ array( $skin => $scripts )
+ );
+ }
+
+ /**
+ * Add skin-specific CSS. These CSS files are only included for a
+ * given skin. If there are no skin-specific CSS files for a skin,
+ * the files defined for 'default' will be used, if any.
+ *
+ * @param $skin String: skin name, or 'default'
+ * @param $scripts Mixed: path to CSS file (string) or array of paths
+ */
+ public function addSkinStyles( $skin, $scripts ) {
+ $this->skinStyles = array_merge_recursive(
+ $this->skinStyles,
+ array( $skin => $scripts )
+ );
+ }
+
+ /**
+ * Add loader scripts. These scripts are loaded on every page and are
+ * responsible for registering this module using
+ * mediaWiki.loader.register(). If there are no loader scripts defined,
+ * the resource loader will register the module itself.
+ *
+ * Loader scripts are used to determine a module's dependencies
+ * dynamically on the client side (e.g. based on browser type/version).
+ * Note that loader scripts are included on every page, so they should
+ * be lightweight and use mediaWiki.loader.register()'s callback
+ * feature to defer dependency calculation.
+ *
+ * @param $scripts Mixed: path to script file (string) or array of paths
+ */
+ public function addLoaders( $scripts ) {
+ $this->loaders = array_merge( $this->loaders, (array)$scripts );
+ }
+
+ public function getScript( ResourceLoaderContext $context ) {
+ $retval = $this->getPrimaryScript() . "\n" .
+ $this->getLanguageScript( $context->getLanguage() ) . "\n" .
+ $this->getSkinScript( $context->getSkin() );
+
+ if ( $context->getDebug() ) {
+ $retval .= $this->getDebugScript();
+ }
+
+ return $retval;
+ }
+
+ public function getStyles( ResourceLoaderContext $context ) {
+ $styles = array();
+ foreach ( $this->getPrimaryStyles() as $media => $style ) {
+ if ( !isset( $styles[$media] ) ) {
+ $styles[$media] = '';
+ }
+ $styles[$media] .= $style;
+ }
+ foreach ( $this->getSkinStyles( $context->getSkin() ) as $media => $style ) {
+ if ( !isset( $styles[$media] ) ) {
+ $styles[$media] = '';
+ }
+ $styles[$media] .= $style;
+ }
+
+ // Collect referenced files
+ $files = array();
+ foreach ( $styles as $style ) {
+ // Extract and store the list of referenced files
+ $files = array_merge( $files, CSSMin::getLocalFileReferences( $style ) );
+ }
+
+ // Only store if modified
+ if ( $files !== $this->getFileDependencies( $context->getSkin() ) ) {
+ $encFiles = FormatJson::encode( $files );
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->replace( 'module_deps',
+ array( array( 'md_module', 'md_skin' ) ), array(
+ 'md_module' => $this->getName(),
+ 'md_skin' => $context->getSkin(),
+ 'md_deps' => $encFiles,
+ )
+ );
+ }
+
+ return $styles;
+ }
+
+ public function getMessages() {
+ return $this->messages;
+ }
+
+ public function getGroup() {
+ return $this->group;
+ }
+
+ public function getDependencies() {
+ return $this->dependencies;
+ }
+
+ public function getLoaderScript() {
+ if ( count( $this->loaders ) == 0 ) {
+ return false;
+ }
+
+ return self::concatScripts( $this->loaders );
+ }
+
+ /**
+ * Get the last modified timestamp of this module, which is calculated
+ * as the highest last modified timestamp of its constituent files and
+ * the files it depends on (see getFileDependencies()). Only files
+ * relevant to the given language and skin are taken into account, and
+ * files only relevant in debug mode are not taken into account when
+ * debug mode is off.
+ *
+ * @param $context ResourceLoaderContext object
+ * @return Integer: UNIX timestamp
+ */
+ public function getModifiedTime( ResourceLoaderContext $context ) {
+ if ( isset( $this->modifiedTime[$context->getHash()] ) ) {
+ return $this->modifiedTime[$context->getHash()];
+ }
+ wfProfileIn( __METHOD__ );
+
+ // Sort of nasty way we can get a flat list of files depended on by all styles
+ $styles = array();
+ foreach ( self::organizeFilesByOption( $this->styles, 'media', 'all' ) as $styleFiles ) {
+ $styles = array_merge( $styles, $styleFiles );
+ }
+ $skinFiles = (array) self::getSkinFiles(
+ $context->getSkin(), self::organizeFilesByOption( $this->skinStyles, 'media', 'all' )
+ );
+ foreach ( $skinFiles as $styleFiles ) {
+ $styles = array_merge( $styles, $styleFiles );
+ }
+
+ // Final merge, this should result in a master list of dependent files
+ $files = array_merge(
+ $this->scripts,
+ $styles,
+ $context->getDebug() ? $this->debugScripts : array(),
+ isset( $this->languageScripts[$context->getLanguage()] ) ?
+ (array) $this->languageScripts[$context->getLanguage()] : array(),
+ (array) self::getSkinFiles( $context->getSkin(), $this->skinScripts ),
+ $this->loaders,
+ $this->getFileDependencies( $context->getSkin() )
+ );
+
+ wfProfileIn( __METHOD__.'-filemtime' );
+ $filesMtime = max( array_map( 'filemtime', array_map( array( __CLASS__, 'remapFilename' ), $files ) ) );
+ wfProfileOut( __METHOD__.'-filemtime' );
+ $this->modifiedTime[$context->getHash()] = max( $filesMtime, $this->getMsgBlobMtime( $context->getLanguage() ) );
+ wfProfileOut( __METHOD__ );
+ return $this->modifiedTime[$context->getHash()];
+ }
+
+ /* Protected Members */
+
+ /**
+ * Get the primary JS for this module. This is pulled from the
+ * script files added through addScripts()
+ *
+ * @return String: JS
+ */
+ protected function getPrimaryScript() {
+ return self::concatScripts( $this->scripts );
+ }
+
+ /**
+ * Get the primary CSS for this module. This is pulled from the CSS
+ * files added through addStyles()
+ *
+ * @return Array
+ */
+ protected function getPrimaryStyles() {
+ return self::concatStyles( $this->styles );
+ }
+
+ /**
+ * Get the debug JS for this module. This is pulled from the script
+ * files added through addDebugScripts()
+ *
+ * @return String: JS
+ */
+ protected function getDebugScript() {
+ return self::concatScripts( $this->debugScripts );
+ }
+
+ /**
+ * Get the language-specific JS for a given language. This is pulled
+ * from the language-specific script files added through addLanguageScripts()
+ *
+ * @return String: JS
+ */
+ protected function getLanguageScript( $lang ) {
+ if ( !isset( $this->languageScripts[$lang] ) ) {
+ return '';
+ }
+ return self::concatScripts( $this->languageScripts[$lang] );
+ }
+
+ /**
+ * Get the skin-specific JS for a given skin. This is pulled from the
+ * skin-specific JS files added through addSkinScripts()
+ *
+ * @return String: JS
+ */
+ protected function getSkinScript( $skin ) {
+ return self::concatScripts( self::getSkinFiles( $skin, $this->skinScripts ) );
+ }
+
+ /**
+ * Get the skin-specific CSS for a given skin. This is pulled from the
+ * skin-specific CSS files added through addSkinStyles()
+ *
+ * @return Array: list of CSS strings keyed by media type
+ */
+ protected function getSkinStyles( $skin ) {
+ return self::concatStyles( self::getSkinFiles( $skin, $this->skinStyles ) );
+ }
+
+ /**
+ * Helper function to get skin-specific data from an array.
+ *
+ * @param $skin String: skin name
+ * @param $map Array: map of skin names to arrays
+ * @return $map[$skin] if set and non-empty, or $map['default'] if set, or an empty array
+ */
+ protected static function getSkinFiles( $skin, $map ) {
+ $retval = array();
+
+ if ( isset( $map[$skin] ) && $map[$skin] ) {
+ $retval = $map[$skin];
+ } else if ( isset( $map['default'] ) ) {
+ $retval = $map['default'];
+ }
+
+ return $retval;
+ }
+
+ /**
+ * Get the contents of a set of files and concatenate them, with
+ * newlines in between. Each file is used only once.
+ *
+ * @param $files Array of file names
+ * @return String: concatenated contents of $files
+ */
+ protected static function concatScripts( $files ) {
+ return implode( "\n",
+ array_map(
+ 'file_get_contents',
+ array_map(
+ array( __CLASS__, 'remapFilename' ),
+ array_unique( (array) $files ) ) ) );
+ }
+
+ protected static function organizeFilesByOption( $files, $option, $default ) {
+ $organizedFiles = array();
+ foreach ( (array) $files as $key => $value ) {
+ if ( is_int( $key ) ) {
+ // File name as the value
+ if ( !isset( $organizedFiles[$default] ) ) {
+ $organizedFiles[$default] = array();
+ }
+ $organizedFiles[$default][] = $value;
+ } else if ( is_array( $value ) ) {
+ // File name as the key, options array as the value
+ $media = isset( $value[$option] ) ? $value[$option] : $default;
+ if ( !isset( $organizedFiles[$media] ) ) {
+ $organizedFiles[$media] = array();
+ }
+ $organizedFiles[$media][] = $key;
+ }
+ }
+ return $organizedFiles;
+ }
+
+ /**
+ * Get the contents of a set of CSS files, remap then and concatenate
+ * them, with newlines in between. Each file is used only once.
+ *
+ * @param $styles Array of file names
+ * @return Array: list of concatenated and remapped contents of $files keyed by media type
+ */
+ protected static function concatStyles( $styles ) {
+ $styles = self::organizeFilesByOption( $styles, 'media', 'all' );
+ foreach ( $styles as $media => $files ) {
+ $styles[$media] =
+ implode( "\n",
+ array_map(
+ array( __CLASS__, 'remapStyle' ),
+ array_unique( (array) $files ) ) );
+ }
+ return $styles;
+ }
+
+ /**
+ * Remap a relative to $IP. Used as a callback for array_map()
+ *
+ * @param $file String: file name
+ * @return string $IP/$file
+ */
+ protected static function remapFilename( $file ) {
+ global $IP;
+
+ return "$IP/$file";
+ }
+
+ /**
+ * Get the contents of a CSS file and run it through CSSMin::remap().
+ * This wrapper is needed so we can use array_map() in concatStyles()
+ *
+ * @param $file String: file name
+ * @return string Remapped CSS
+ */
+ protected static function remapStyle( $file ) {
+ global $wgScriptPath;
+ return CSSMin::remap(
+ file_get_contents( self::remapFilename( $file ) ),
+ dirname( $file ),
+ $wgScriptPath . '/' . dirname( $file ),
+ true
+ );
+ }
+}
+
+/**
+ * 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 it's dependence on the
+ * functionality of Title::isValidCssJsSubpage.
+ */
+abstract class ResourceLoaderWikiModule extends ResourceLoaderModule {
+
+ /* Protected Members */
+
+ // In-object cache for modified time
+ protected $modifiedTime = array();
+
+ /* Abstract Protected Methods */
+
+ abstract protected function getPages( ResourceLoaderContext $context );
+
+ /* Protected Methods */
+
+ protected function getContent( $page, $ns ) {
+ if ( $ns === NS_MEDIAWIKI ) {
+ return wfEmptyMsg( $page ) ? '' : wfMsgExt( $page, 'content' );
+ }
+ if ( $title = Title::newFromText( $page, $ns ) ) {
+ if ( $title->isValidCssJsSubpage() && $revision = Revision::newFromTitle( $title ) ) {
+ return $revision->getRawText();
+ }
+ }
+ return null;
+ }
+
+ /* Methods */
+
+ public function getScript( ResourceLoaderContext $context ) {
+ $scripts = '';
+ foreach ( $this->getPages( $context ) as $page => $options ) {
+ if ( $options['type'] === 'script' ) {
+ if ( $script = $this->getContent( $page, $options['ns'] ) ) {
+ $ns = MWNamespace::getCanonicalName( $options['ns'] );
+ $scripts .= "/*$ns:$page */\n$script\n";
+ }
+ }
+ }
+ return $scripts;
+ }
+
+ public function getStyles( ResourceLoaderContext $context ) {
+
+ $styles = array();
+ foreach ( $this->getPages( $context ) as $page => $options ) {
+ if ( $options['type'] === 'style' ) {
+ $media = isset( $options['media'] ) ? $options['media'] : 'all';
+ if ( $style = $this->getContent( $page, $options['ns'] ) ) {
+ if ( !isset( $styles[$media] ) ) {
+ $styles[$media] = '';
+ }
+ $ns = MWNamespace::getCanonicalName( $options['ns'] );
+ $styles[$media] .= "/* $ns:$page */\n$style\n";
+ }
+ }
+ }
+ return $styles;
+ }
+
+ public function getModifiedTime( ResourceLoaderContext $context ) {
+ $hash = $context->getHash();
+ if ( isset( $this->modifiedTime[$hash] ) ) {
+ return $this->modifiedTime[$hash];
+ }
+
+ $titles = array();
+ foreach ( $this->getPages( $context ) as $page => $options ) {
+ $titles[$options['ns']][$page] = true;
+ }
+
+ $modifiedTime = 1; // wfTimestamp() interprets 0 as "now"
+
+ if ( $titles ) {
+ $dbr = wfGetDB( DB_SLAVE );
+ $latest = $dbr->selectField( 'page', 'MAX(page_touched)',
+ $dbr->makeWhereFrom2d( $titles, 'page_namespace', 'page_title' ),
+ __METHOD__ );
+
+ if ( $latest ) {
+ $modifiedTime = wfTimestamp( TS_UNIX, $latest );
+ }
+ }
+
+ return $this->modifiedTime[$hash] = $modifiedTime;
+ }
+}
+
+/**
+ * Module for site customizations
+ */
+class ResourceLoaderSiteModule extends ResourceLoaderWikiModule {
+
+ /* Protected Methods */
+
+ protected function getPages( ResourceLoaderContext $context ) {
+ global $wgHandheldStyle;
+
+ $pages = array(
+ 'Common.js' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'script' ),
+ 'Common.css' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'style' ),
+ ucfirst( $context->getSkin() ) . '.js' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'script' ),
+ ucfirst( $context->getSkin() ) . '.css' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'style' ),
+ 'Print.css' => array( 'ns' => NS_MEDIAWIKI, 'type' => 'style', 'media' => 'print' ),
+ );
+ if ( $wgHandheldStyle ) {
+ $pages['Handheld.css'] = array( 'ns' => NS_MEDIAWIKI, 'type' => 'style', 'media' => 'handheld' );
+ }
+ return $pages;
+ }
+
+ /* Methods */
+
+ public function getGroup() {
+ return 'site';
+ }
+}
+
+/**
+ * Module for user customizations
+ */
+class ResourceLoaderUserModule extends ResourceLoaderWikiModule {
+
+ /* Protected Methods */
+
+ protected function getPages( ResourceLoaderContext $context ) {
+ global $wgAllowUserCss;
+
+ if ( $context->getUser() && $wgAllowUserCss ) {
+ $username = $context->getUser();
+ return array(
+ "$username/common.js" => array( 'ns' => NS_USER, 'type' => 'script' ),
+ "$username/" . $context->getSkin() . '.js' => array( 'ns' => NS_USER, 'type' => 'script' ),
+ "$username/common.css" => array( 'ns' => NS_USER, 'type' => 'style' ),
+ "$username/" . $context->getSkin() . '.css' => array( 'ns' => NS_USER, 'type' => 'style' ),
+ );
+ }
+ return array();
+ }
+
+ /* Methods */
+
+ public function getGroup() {
+ return 'user';
+ }
+}
+
+/**
+ * Module for user preference customizations
+ */
+class ResourceLoaderUserOptionsModule extends ResourceLoaderModule {
+
+ /* Protected Members */
+
+ protected $modifiedTime = array();
+
+ /* Methods */
+
+ public function getModifiedTime( ResourceLoaderContext $context ) {
+ $hash = $context->getHash();
+ if ( isset( $this->modifiedTime[$hash] ) ) {
+ return $this->modifiedTime[$hash];
+ }
+
+ global $wgUser;
+
+ if ( $context->getUser() === $wgUser->getName() ) {
+ return $this->modifiedTime[$hash] = $wgUser->getTouched();
+ } else {
+ return 1;
+ }
+ }
+
+ /**
+ * Fetch the context's user options, or if it doesn't match current user,
+ * the default options.
+ *
+ * @param $context ResourceLoaderContext
+ * @return array
+ */
+ protected function contextUserOptions( ResourceLoaderContext $context ) {
+ global $wgUser;
+
+ // Verify identity -- this is a private module
+ if ( $context->getUser() === $wgUser->getName() ) {
+ return $wgUser->getOptions();
+ } else {
+ return User::getDefaultOptions();
+ }
+ }
+
+ public function getScript( ResourceLoaderContext $context ) {
+ $encOptions = FormatJson::encode( $this->contextUserOptions( $context ) );
+ return "mediaWiki.user.options.set( $encOptions );";
+ }
+
+ public function getStyles( ResourceLoaderContext $context ) {
+ global $wgAllowUserCssPrefs;
+
+ if ( $wgAllowUserCssPrefs ) {
+ $options = $this->contextUserOptions( $context );
+
+ // Build CSS rules
+ $rules = array();
+ if ( $options['underline'] < 2 ) {
+ $rules[] = "a { text-decoration: " . ( $options['underline'] ? 'underline' : 'none' ) . "; }";
+ }
+ if ( $options['highlightbroken'] ) {
+ $rules[] = "a.new, #quickbar a.new { color: #ba0000; }\n";
+ } else {
+ $rules[] = "a.new, #quickbar a.new, a.stub, #quickbar a.stub { color: inherit; }";
+ $rules[] = "a.new:after, #quickbar a.new:after { content: '?'; color: #ba0000; }";
+ $rules[] = "a.stub:after, #quickbar a.stub:after { content: '!'; color: #772233; }";
+ }
+ if ( $options['justify'] ) {
+ $rules[] = "#article, #bodyContent, #mw_content { text-align: justify; }\n";
+ }
+ if ( !$options['showtoc'] ) {
+ $rules[] = "#toc { display: none; }\n";
+ }
+ if ( !$options['editsection'] ) {
+ $rules[] = ".editsection { display: none; }\n";
+ }
+ if ( $options['editfont'] !== 'default' ) {
+ $rules[] = "textarea { font-family: {$options['editfont']}; }\n";
+ }
+ return array( 'all' => implode( "\n", $rules ) );
+ }
+ return array();
+ }
+
+ public function getFlip( $context ) {
+ global $wgContLang;
+
+ return $wgContLang->getDir() !== $context->getDirection();
+ }
+
+ public function getGroup() {
+ return 'private';
+ }
+}
+
+class ResourceLoaderStartUpModule extends ResourceLoaderModule {
+ /* Protected Members */
+
+ protected $modifiedTime = array();
+
+ /* Protected Methods */
+
+ protected function getConfig( $context ) {
+ global $wgLoadScript, $wgScript, $wgStylePath, $wgScriptExtension,
+ $wgArticlePath, $wgScriptPath, $wgServer, $wgContLang, $wgBreakFrames,
+ $wgVariantArticlePath, $wgActionPaths, $wgUseAjax, $wgVersion,
+ $wgEnableAPI, $wgEnableWriteAPI, $wgDBname, $wgEnableMWSuggest,
+ $wgSitename, $wgFileExtensions;
+
+ // Pre-process information
+ $separatorTransTable = $wgContLang->separatorTransformTable();
+ $separatorTransTable = $separatorTransTable ? $separatorTransTable : array();
+ $compactSeparatorTransTable = array(
+ implode( "\t", array_keys( $separatorTransTable ) ),
+ implode( "\t", $separatorTransTable ),
+ );
+ $digitTransTable = $wgContLang->digitTransformTable();
+ $digitTransTable = $digitTransTable ? $digitTransTable : array();
+ $compactDigitTransTable = array(
+ implode( "\t", array_keys( $digitTransTable ) ),
+ implode( "\t", $digitTransTable ),
+ );
+ $mainPage = Title::newMainPage();
+
+ // Build list of variables
+ $vars = array(
+ 'wgLoadScript' => $wgLoadScript,
+ 'debug' => $context->getDebug(),
+ 'skin' => $context->getSkin(),
+ 'stylepath' => $wgStylePath,
+ 'wgUrlProtocols' => wfUrlProtocols(),
+ 'wgArticlePath' => $wgArticlePath,
+ 'wgScriptPath' => $wgScriptPath,
+ 'wgScriptExtension' => $wgScriptExtension,
+ 'wgScript' => $wgScript,
+ 'wgVariantArticlePath' => $wgVariantArticlePath,
+ 'wgActionPaths' => $wgActionPaths,
+ 'wgServer' => $wgServer,
+ 'wgUserLanguage' => $context->getLanguage(),
+ 'wgContentLanguage' => $wgContLang->getCode(),
+ 'wgBreakFrames' => $wgBreakFrames,
+ 'wgVersion' => $wgVersion,
+ 'wgEnableAPI' => $wgEnableAPI,
+ 'wgEnableWriteAPI' => $wgEnableWriteAPI,
+ 'wgSeparatorTransformTable' => $compactSeparatorTransTable,
+ 'wgDigitTransformTable' => $compactDigitTransTable,
+ 'wgMainPageTitle' => $mainPage ? $mainPage->getPrefixedText() : null,
+ 'wgFormattedNamespaces' => $wgContLang->getFormattedNamespaces(),
+ 'wgNamespaceIds' => $wgContLang->getNamespaceIds(),
+ 'wgSiteName' => $wgSitename,
+ 'wgFileExtensions' => $wgFileExtensions,
+ 'wgDBname' => $wgDBname,
+ );
+ if ( $wgContLang->hasVariants() ) {
+ $vars['wgUserVariant'] = $wgContLang->getPreferredVariant();
+ }
+ if ( $wgUseAjax && $wgEnableMWSuggest ) {
+ $vars['wgMWSuggestTemplate'] = SearchEngine::getMWSuggestTemplate();
+ }
+
+ return $vars;
+ }
+
+ /**
+ * Gets registration code for all modules
+ *
+ * @param $context ResourceLoaderContext object
+ * @return String: JavaScript code for registering all modules with the client loader
+ */
+ public static function getModuleRegistrations( ResourceLoaderContext $context ) {
+ global $wgCacheEpoch;
+ wfProfileIn( __METHOD__ );
+
+ $out = '';
+ $registrations = array();
+ foreach ( $context->getResourceLoader()->getModules() as $name => $module ) {
+ // Support module loader scripts
+ if ( ( $loader = $module->getLoaderScript() ) !== false ) {
+ $deps = $module->getDependencies();
+ $group = $module->getGroup();
+ $version = wfTimestamp( TS_ISO_8601_BASIC, round( $module->getModifiedTime( $context ), -2 ) );
+ $out .= ResourceLoader::makeCustomLoaderScript( $name, $version, $deps, $group, $loader );
+ }
+ // Automatically register module
+ else {
+ $mtime = max( $module->getModifiedTime( $context ), wfTimestamp( TS_UNIX, $wgCacheEpoch ) );
+ // Modules without dependencies or a group pass two arguments (name, timestamp) to
+ // mediaWiki.loader.register()
+ if ( !count( $module->getDependencies() && $module->getGroup() === null ) ) {
+ $registrations[] = array( $name, $mtime );
+ }
+ // Modules with dependencies but no group pass three arguments (name, timestamp, dependencies)
+ // to mediaWiki.loader.register()
+ else if ( $module->getGroup() === null ) {
+ $registrations[] = array(
+ $name, $mtime, $module->getDependencies() );
+ }
+ // Modules with dependencies pass four arguments (name, timestamp, dependencies, group)
+ // to mediaWiki.loader.register()
+ else {
+ $registrations[] = array(
+ $name, $mtime, $module->getDependencies(), $module->getGroup() );
+ }
+ }
+ }
+ $out .= ResourceLoader::makeLoaderRegisterScript( $registrations );
+
+ wfProfileOut( __METHOD__ );
+ return $out;
+ }
+
+ /* Methods */
+
+ public function getScript( ResourceLoaderContext $context ) {
+ global $IP, $wgLoadScript;
+
+ $out = file_get_contents( "$IP/resources/startup.js" );
+ if ( $context->getOnly() === 'scripts' ) {
+ // Build load query for jquery and mediawiki modules
+ $query = array(
+ 'modules' => implode( '|', array( 'jquery', 'mediawiki' ) ),
+ 'only' => 'scripts',
+ 'lang' => $context->getLanguage(),
+ 'skin' => $context->getSkin(),
+ 'debug' => $context->getDebug() ? 'true' : 'false',
+ 'version' => wfTimestamp( TS_ISO_8601_BASIC, round( max(
+ $context->getResourceLoader()->getModule( 'jquery' )->getModifiedTime( $context ),
+ $context->getResourceLoader()->getModule( 'mediawiki' )->getModifiedTime( $context )
+ ), -2 ) )
+ );
+ // Ensure uniform query order
+ ksort( $query );
+
+ // Startup function
+ $configuration = FormatJson::encode( $this->getConfig( $context ) );
+ $registrations = self::getModuleRegistrations( $context );
+ $out .= "var startUp = function() {\n\t$registrations\n\tmediaWiki.config.set( $configuration );\n};";
+
+ // Conditional script injection
+ $scriptTag = Xml::escapeJsString( Html::linkedScript( $wgLoadScript . '?' . wfArrayToCGI( $query ) ) );
+ $out .= "if ( isCompatible() ) {\n\tdocument.write( '$scriptTag' );\n}\ndelete isCompatible;";
+ }
+
+ return $out;
+ }
+
+ public function getModifiedTime( ResourceLoaderContext $context ) {
+ global $IP, $wgCacheEpoch;
+
+ $hash = $context->getHash();
+ if ( isset( $this->modifiedTime[$hash] ) ) {
+ return $this->modifiedTime[$hash];
+ }
+ $this->modifiedTime[$hash] = filemtime( "$IP/resources/startup.js" );
+
+ // ATTENTION!: Because of the line above, this is not going to cause infinite recursion - think carefully
+ // before making changes to this code!
+ $time = wfTimestamp( TS_UNIX, $wgCacheEpoch );
+ foreach ( $context->getResourceLoader()->getModules() as $module ) {
+ $time = max( $time, $module->getModifiedTime( $context ) );
+ }
+ return $this->modifiedTime[$hash] = $time;
+ }
+
+ public function getFlip( $context ) {
+ global $wgContLang;
+
+ return $wgContLang->getDir() !== $context->getDirection();
+ }
+
+ /* Methods */
+
+ public function getGroup() {
+ return 'startup';
+ }
+}