Stop media playback when article will disappear

iOS/Article/WebViewController.swift

@@ -123,6 +123,12 @@ class WebViewController: UIViewController {
 		}
 		
 	}
+
+	override func viewWillDisappear(_ animated: Bool) {
+		super.viewWillDisappear(animated)
+
+		stopMediaPlayback()
+	}
 	
 	// MARK: Notifications
 	
@@ -526,6 +532,10 @@ private extension WebViewController {
 			coordinator.showFullScreenImage(image: image, imageTitle: clickMessage.imageTitle, transitioningDelegate: self)
 		}
 	}
+
+	func stopMediaPlayback() {
+		webView?.evaluateJavaScript("stopMediaPlayback();")
+	}
 	
 	func configureTopShowBarsView() {
 		topShowBarsView = UIView()

iOS/Resources/main_ios.js

@@ -145,3 +145,14 @@ function postRenderProcessing() {
 	ImageViewer.init();
 	inlineVideos();
 }
+
+function stopMediaPlayback() {
+	document.querySelectorAll("iframe").forEach(element => {
+		var iframeSrc = element.src;
+		element.src = iframeSrc;
+	});
+
+	document.querySelectorAll("video, audio").forEach(element => {
+		element.pause();
+	});
+}