update logic plyr-start.js

youtube/static/js/plyr-start.js

@@ -58,7 +58,7 @@
     },
   });
 
-  const player = new Plyr(document.getElementById('js-video-player'), {
+  const playerOptions = {
     // Learning about autoplay permission https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Permissions-Policy/autoplay#syntax
     autoplay: autoplayActive,
     disableContextMenu: false,
@@ -117,5 +117,20 @@
     tooltips: {
       controls: true,
     },
+  }
+
+  const player = new Plyr(document.getElementById('js-video-player'), playerOptions);
+
+  // disable double click to fullscreen
+  // https://github.com/sampotts/plyr/issues/1370#issuecomment-528966795
+  player.eventListeners.forEach(function(eventListener) {
+    if(eventListener.type === 'dblclick') {
+        eventListener.element.removeEventListener(eventListener.type, eventListener.callback, eventListener.options);
+    }
   });
+
+  // Add .started property, true after the playback has been started
+  // Needed so controls won't be hidden before playback has started
+  player.started = false;
+  player.once('playing', function(){this.started = true});
 })();