Started on error handling

src/js/defaults.js

@@ -305,6 +305,7 @@ const defaults = {
         stopped: 'plyr--stopped',
         playing: 'plyr--playing',
         loading: 'plyr--loading',
+        error: 'plyr--has-error',
         hover: 'plyr--hover',
         tooltip: 'plyr__tooltip',
         hidden: 'plyr__sr-only',

src/js/listeners.js

@@ -221,6 +221,11 @@ const listeners = {
             utils.on(document, fullscreen.eventType, event => {
                 this.toggleFullscreen(event);
             });
+
+            // Fullscreen toggle on double click
+            utils.on(this.elements.container, 'dblclick', event => {
+                this.toggleFullscreen(event);
+            });
         }
     },
 
@@ -263,6 +268,9 @@ const listeners = {
         // Loading
         utils.on(this.media, 'stalled waiting canplay seeked playing', event => ui.checkLoading.call(this, event));
 
+        // Check if media failed to load
+        // utils.on(this.media, 'play', event => ui.checkFailed.call(this, event));
+
         // Click video
         if (this.supported.ui && this.config.clickToPlay && !this.isAudio) {
             // Re-fetch the wrapper

src/js/plyr.js

@@ -35,7 +35,11 @@ let scrollPosition = {
 class Plyr {
     constructor(target, options) {
         this.timers = {};
+
+        // State
         this.ready = false;
+        this.loading = false;
+        this.failed = false;
 
         // Set the media element
         this.media = target;
@@ -809,6 +813,11 @@ class Plyr {
      * @param {event} event
      */
     toggleFullscreen(event) {
+        // Video only
+        if (this.isAudio) {
+            return;
+        }
+
         // Check for native support
         if (fullscreen.enabled) {
             if (utils.is.event(event) && event.type === fullscreen.eventType) {

src/js/ui.js

@@ -153,7 +153,7 @@ const ui = {
 
     // Check if media is loading
     checkLoading(event) {
-        this.loading = [
+        this.loading = this.media.networkState === 2 || [
             'stalled',
             'waiting',
         ].includes(event.type);
@@ -171,6 +171,29 @@ const ui = {
         }, this.loading ? 250 : 0);
     },
 
+    // Check if media failed to load
+    checkFailed() {
+        // https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/networkState
+        this.failed = this.media.networkState === 3;
+
+        if (this.failed) {
+            utils.toggleClass(this.elements.container, this.config.classNames.loading, false);
+            utils.toggleClass(this.elements.container, this.config.classNames.error, true);
+        }
+
+        // Clear timer
+        clearTimeout(this.timers.failed);
+
+        // Timer to prevent flicker when seeking
+        this.timers.loading = setTimeout(() => {
+            // Toggle container class hook
+            utils.toggleClass(this.elements.container, this.config.classNames.loading, this.loading);
+
+            // Show controls if loading, hide if done
+            this.toggleControls(this.loading);
+        }, this.loading ? 250 : 0);
+    },
+
     // Update volume UI and storage
     updateVolume() {
         if (!this.supported.ui) {