PB-266: Video background for Slide

Author: eug123

app/code/Magento/PageBuilder/view/adminhtml/web/js/content-type/slide/preview.js

@@ -137,16 +137,11 @@ export default class Preview extends BasePreview {
         super(contentType, config, observableUpdater);
 
         this.contentType.dataStore.subscribe(this.buildJarallax);
-        events.on("row:mountAfter", (args: ContentTypeReadyEventParamsInterface) => {
+        events.on("slide:mountAfter", (args: ContentTypeReadyEventParamsInterface) => {
             if (args.id === this.contentType.id) {
                 this.buildJarallax();
             }
         });
-        events.on("contentType:mountAfter", (args: ContentTypeMountEventParamsInterface) => {
-            if (args.contentType.parentContentType && args.contentType.parentContentType.id === this.contentType.id) {
-                this.buildJarallax();
-            }
-        });
     }
 
     /**

app/code/Magento/PageBuilder/view/adminhtml/web/ts/js/content-type/slide/preview.ts

@@ -11,16 +11,15 @@ define([
 
     return function (config, element) {
         var videoElement = element[0].querySelector('[data-background-type=video]'),
-            $slider = null,
-            currentVideoSlide = null;
+            $slider = null;
 
         showOnHover(config);
 
         if (videoElement) {
             $slider = $(element).closest('[data-content-type=slider]');
             videoBackground(config, videoElement);
             $slider.on('setPosition', function (event, slick) {
-                currentVideoSlide = slick.$slides[slick.currentSlide].querySelector('.jarallax');
+                var currentVideoSlide = slick.$slides[slick.currentSlide].querySelector('.jarallax');
 
                 if (currentVideoSlide.jarallax.options.videoPlayOnlyVisible) {
                     currentVideoSlide.jarallax.video.play();
@@ -31,7 +30,7 @@ define([
                 }
             });
             $slider.on('beforeChange', function (event, slick) {
-                currentVideoSlide = slick.$slides[slick.currentSlide].querySelector('.jarallax');
+                var currentVideoSlide = slick.$slides[slick.currentSlide].querySelector('.jarallax');
 
                 if (currentVideoSlide.jarallax.options.videoPlayOnlyVisible) {
                     currentVideoSlide.jarallax.video.pause();