1 files changed, 0 insertions, 95 deletions
diff --git a/plugins/jetpack/extensions/blocks/slideshow/swiper-callbacks.js b/plugins/jetpack/extensions/blocks/slideshow/swiper-callbacks.js
deleted file mode 100644
index 2410f234..00000000
--- a/plugins/jetpack/extensions/blocks/slideshow/swiper-callbacks.js
+++ /dev/null
@@ -1,95 +0,0 @@
-/**
- * External dependencies
- */
-import { escapeHTML } from '@wordpress/escape-html';
-import { forEach } from 'lodash';
-
-const SIXTEEN_BY_NINE = 16 / 9;
-const MAX_HEIGHT_PERCENT_OF_WINDOW_HEIGHT = 0.8;
-const SANITY_MAX_HEIGHT = 600;
-const PAUSE_CLASS = 'wp-block-jetpack-slideshow_autoplay-paused';
-
-function swiperInit( swiper ) {
-	swiperResize( swiper );
-	swiperApplyAria( swiper );
-	swiper.el
-		.querySelector( '.wp-block-jetpack-slideshow_button-pause' )
-		.addEventListener( 'click', function() {
-			// Handle destroyed Swiper instances
-			if ( ! swiper.el ) {
-				return;
-			}
-			if ( swiper.el.classList.contains( PAUSE_CLASS ) ) {
-				swiper.el.classList.remove( PAUSE_CLASS );
-				swiper.autoplay.start();
-				this.setAttribute( 'aria-label', 'Pause Slideshow' );
-			} else {
-				swiper.el.classList.add( PAUSE_CLASS );
-				swiper.autoplay.stop();
-				this.setAttribute( 'aria-label', 'Play Slideshow' );
-			}
-		} );
-}
-
-function swiperResize( swiper ) {
-	if ( ! swiper || ! swiper.el ) {
-		return;
-	}
-	const img = swiper.el.querySelector( '.swiper-slide[data-swiper-slide-index="0"] img' );
-	if ( ! img ) {
-		return;
-	}
-	const aspectRatio = img.clientWidth / img.clientHeight;
-	const sanityAspectRatio = Math.max( Math.min( aspectRatio, SIXTEEN_BY_NINE ), 1 );
-	const sanityHeight =
-		typeof window !== 'undefined'
-			? window.innerHeight * MAX_HEIGHT_PERCENT_OF_WINDOW_HEIGHT
-			: SANITY_MAX_HEIGHT;
-	const swiperHeight = Math.min( swiper.width / sanityAspectRatio, sanityHeight );
-	const wrapperHeight = `${ Math.floor( swiperHeight ) }px`;
-	const buttonTop = `${ Math.floor( swiperHeight / 2 ) }px`;
-
-	swiper.el.classList.add( 'wp-swiper-initialized' );
-	swiper.wrapperEl.style.height = wrapperHeight;
-	swiper.el.querySelector( '.wp-block-jetpack-slideshow_button-prev' ).style.top = buttonTop;
-	swiper.el.querySelector( '.wp-block-jetpack-slideshow_button-next' ).style.top = buttonTop;
-}
-
-function announceCurrentSlide( swiper ) {
-	const currentSlide = swiper.slides[ swiper.activeIndex ];
-	if ( ! currentSlide ) {
-		return;
-	}
-	const figcaption = currentSlide.getElementsByTagName( 'FIGCAPTION' )[ 0 ];
-	const img = currentSlide.getElementsByTagName( 'IMG' )[ 0 ];
-	if ( swiper.a11y.liveRegion ) {
-		swiper.a11y.liveRegion[ 0 ].innerHTML = figcaption
-			? figcaption.innerHTML
-			: escapeHTML( img.alt );
-	}
-}
-
-function swiperApplyAria( swiper ) {
-	forEach( swiper.slides, ( slide, index ) => {
-		slide.setAttribute( 'aria-hidden', index === swiper.activeIndex ? 'false' : 'true' );
-		if ( index === swiper.activeIndex ) {
-			slide.setAttribute( 'tabindex', '-1' );
-		} else {
-			slide.removeAttribute( 'tabindex' );
-		}
-	} );
-	announceCurrentSlide( swiper );
-}
-
-function swiperPaginationRender( swiper ) {
-	forEach( swiper.pagination.bullets, bullet => {
-		bullet.addEventListener( 'click', () => {
-			const currentSlide = swiper.slides[ swiper.realIndex ];
-			setTimeout( () => {
-				currentSlide.focus();
-			}, 500 );
-		} );
-	} );
-}
-
-export { swiperApplyAria, swiperInit, swiperPaginationRender, swiperResize };