Add attributes for Minerva click tracking

Bug: T295490
Change-Id: I05fa96280c8dacc801b071d22086568ee0f11d86

includes/Hooks/PageHooks.php

@@ -350,13 +350,15 @@ class PageHooks implements
 			// talk page feature is enabled, but we shouldn't depend on code from there.
 			$output->enableOOUI();
 			$output->addHTML(
-				new ButtonWidget( [
+				( new ButtonWidget( [
 					'href' => $title->getLinkURL( [ 'action' => 'edit', 'section' => 'new' ] ),
 					// TODO: Make this a local message if the Minerva feature goes away
 					'label' => $context->msg( 'minerva-talk-add-topic' )->text(),
 					'flags' => [ 'progressive', 'primary' ],
 					'classes' => [ 'ext-discussiontools-init-new-topic' ]
-				] )
+				] ) )
+					// For compatibility with Minerva click tracking (T295490)
+					->setAttributes( [ 'data-event-name' => 'talkpage.add-topic' ] )
 			);
 		}
 	}

modules/controller.js

@@ -244,6 +244,11 @@ function init( $container, state ) {
 	// Lazy-load postEdit module, may be required later (on desktop)
 	mw.loader.using( 'mediawiki.action.view.postEdit' );
 
+	if ( OO.ui.isMobile() && mw.config.get( 'skin' ) === 'minerva' ) {
+		// For compatibility with Minerva click tracking (T295490)
+		$container.find( '.section-heading' ).attr( 'data-event-name', 'talkpage.section' );
+	}
+
 	$pageContainer = $container;
 	linksController = new ReplyLinksController( $pageContainer );
 	var parser = new Parser( require( './parser/data.json' ) );