ResourceLoaderUserModule.php

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<?php
class ResourceLoaderUserModule extends ResourceLoaderWikiModule {

    /* Protected Members */

    protected $origin = self::ORIGIN_USER_INDIVIDUAL;

    /* Protected Methods */

    protected function getPages( ResourceLoaderContext $context ) {
        global $wgAllowUserJs, $wgAllowUserCss;
        $username = $context->getUser();

        if ( $username === null ) {
            return array();
        }
        if ( !$wgAllowUserJs && !$wgAllowUserCss ) {
            return array();
        }

        // Get the normalized title of the user's user page
        $userpageTitle = Title::makeTitleSafe( NS_USER, $username );

        if ( !$userpageTitle instanceof Title ) {
            return array();
        }

        $userpage = $userpageTitle->getPrefixedDBkey(); // Needed so $excludepages works

        $pages = array();
        if ( $wgAllowUserJs ) {
            $pages["$userpage/common.js"] = array( 'type' => 'script' );
            $pages["$userpage/" . $context->getSkin() . '.js'] = array( 'type' => 'script' );
        }
        if ( $wgAllowUserCss ) {
            $pages["$userpage/common.css"] = array( 'type' => 'style' );
            $pages["$userpage/" . $context->getSkin() . '.css'] = array( 'type' => 'style' );
        }

        // Hack for bug 26283: if we're on a preview page for a CSS/JS page,
        // we need to exclude that page from this module. In that case, the excludepage
        // parameter will be set to the name of the page we need to exclude.
        $excludepage = $context->getRequest()->getVal( 'excludepage' );
        if ( isset( $pages[$excludepage] ) ) {
            // This works because $excludepage is generated with getPrefixedDBkey(),
            // just like the keys in $pages[] above
            unset( $pages[$excludepage] );
        }
        return $pages;
    }

    /* Methods */

    public function getGroup() {
        return 'user';
    }
}