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Add <body> class marking whether RCFilters is enabled
authorMatthew Flaschen <mflaschen@wikimedia.org>
Mon, 11 Sep 2017 07:12:03 +0000 (03:12 -0400)
committerCatrope <roan@wikimedia.org>
Mon, 11 Sep 2017 20:27:49 +0000 (20:27 +0000)
Also added OutputPage->addBodyClasses to allow this

Bug: T175062
Change-Id: I2111d0762328f2e59038c92d63583a9bb267fc9f

includes/OutputPage.php patch | blob | history
includes/specialpage/ChangesListSpecialPage.php patch | blob | history

diff --git a/includes/OutputPage.php b/includes/OutputPage.php
index b71ae89..5216146 100644 (file)
--- a/includes/OutputPage.php
+++ b/includes/OutputPage.php
@@ -139,6 +139,9 @@ class OutputPage extends ContextSource {
        /** @var array Array of elements in "<head>". Parser might add its own headers! */
        protected $mHeadItems = [];
 
+       /** @var array Additional <body> classes; there are also <body> classes from other sources */
+       protected $mAdditionalBodyClasses = [];
+
        /** @var array */
        protected $mModules = [];
 
@@ -705,6 +708,16 @@ class OutputPage extends ContextSource {
                return isset( $this->mHeadItems[$name] );
        }
 
+       /**
+        * Add a class to the <body> element
+        *
+        * @since 1.30
+        * @param string|string[] $classes One or more classes to add
+        */
+       public function addBodyClasses( $classes ) {
+               $this->mAdditionalBodyClasses = array_merge( $this->mAdditionalBodyClasses, (array)$classes );
+       }
+
        /**
         * @deprecated since 1.28 Obsolete - wgUseETag experiment was removed.
         * @param string $tag
@@ -2923,7 +2936,7 @@ class OutputPage extends ContextSource {
 
                $pieces[] = Html::closeElement( 'head' );
 
-               $bodyClasses = [];
+               $bodyClasses = $this->mAdditionalBodyClasses;
                $bodyClasses[] = 'mediawiki';
 
                # Classes for LTR/RTL directionality support
diff --git a/includes/specialpage/ChangesListSpecialPage.php b/includes/specialpage/ChangesListSpecialPage.php
index d943d03..7f6fdf7 100644 (file)
--- a/includes/specialpage/ChangesListSpecialPage.php
+++ b/includes/specialpage/ChangesListSpecialPage.php
@@ -573,10 +573,12 @@ abstract class ChangesListSpecialPage extends SpecialPage {
        /**
         * Include the modules and configuration for the RCFilters app.
         * Conditional on the user having the feature enabled.
+        *
+        * If it is disabled, add a <body> class marking that
         */
        protected function includeRcFiltersApp() {
+               $out = $this->getOutput();
                if ( $this->isStructuredFilterUiEnabled() ) {
-                       $out = $this->getOutput();
                        $jsData = $this->getStructuredFilterJsData();
 
                        $messages = [];
@@ -584,6 +586,8 @@ abstract class ChangesListSpecialPage extends SpecialPage {
                                $messages[$key] = $this->msg( $key )->plain();
                        }
 
+                       $out->addBodyClasses( 'mw-rcfilters-enabled' );
+
                        $out->addHTML(
                                ResourceLoader::makeInlineScript(
                                        ResourceLoader::makeMessageSetScript( $messages )
@@ -616,6 +620,8 @@ abstract class ChangesListSpecialPage extends SpecialPage {
                                        'daysDefault' => $this->getDefaultDays(),
                                ]
                        );
+               } else {
+                       $out->addBodyClasses( 'mw-rcfilters-disabled' );
                }
        }
 
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