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+<?php
+/**
+ * Resource loader module for skin stylesheets.
+ *
+ * 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 Timo Tijhof
+ */
+
+class ResourceLoaderSkinModule extends ResourceLoaderFileModule {
+
+ /* Methods */
+
+ /**
+ * @param $context ResourceLoaderContext
+ * @return array
+ */
+ public function getStyles( ResourceLoaderContext $context ) {
+ $logo = $this->getConfig()->get( 'Logo' );
+ $logoHD = $this->getConfig()->get( 'LogoHD' );
+ $styles = parent::getStyles( $context );
+ $styles['all'][] = '.mw-wiki-logo { background-image: ' .
+ CSSMin::buildUrlValue( $logo ) .
+ '; }';
+ if ( $logoHD ) {
+ if ( isset( $logoHD['1.5x'] ) ) {
+ $styles[
+ '(-webkit-min-device-pixel-ratio: 1.5), ' .
+ '(min--moz-device-pixel-ratio: 1.5), ' .
+ '(min-resolution: 1.5dppx), ' .
+ '(min-resolution: 144dpi)'
+ ][] = '.mw-wiki-logo { background-image: ' .
+ CSSMin::buildUrlValue( $logoHD['1.5x'] ) .';' .
+ 'background-size: 135px auto; }';
+ }
+ if ( isset( $logoHD['2x'] ) ) {
+ $styles[
+ '(-webkit-min-device-pixel-ratio: 2), ' .
+ '(min--moz-device-pixel-ratio: 2),'.
+ '(min-resolution: 2dppx), ' .
+ '(min-resolution: 192dpi)'
+ ][] = '.mw-wiki-logo { background-image: ' .
+ CSSMin::buildUrlValue( $logoHD['2x'] ) . ';' .
+ 'background-size: 135px auto; }';
+ }
+ }
+ return $styles;
+ }
+
+ /**
+ * @param $context ResourceLoaderContext
+ * @return bool
+ */
+ public function isKnownEmpty( ResourceLoaderContext $context ) {
+ // Regardless of whether the files are specified, we always
+ // provide mw-wiki-logo styles.
+ return false;
+ }
+
+ /**
+ * @param $context ResourceLoaderContext
+ * @return int|mixed
+ */
+ public function getModifiedTime( ResourceLoaderContext $context ) {
+ $parentMTime = parent::getModifiedTime( $context );
+ return max( $parentMTime, $this->getHashMtime( $context ) );
+ }
+
+ /**
+ * @param $context ResourceLoaderContext
+ * @return string: Hash
+ */
+ public function getModifiedHash( ResourceLoaderContext $context ) {
+ $logo = $this->getConfig()->get( 'Logo' );
+ $logoHD = $this->getConfig()->get( 'LogoHD' );
+ return md5( parent::getModifiedHash( $context ) . $logo . json_encode( $logoHD ) );
+ }
+}