From 2db839db98215c827fefaadbe88f665d157eb352 Mon Sep 17 00:00:00 2001
From: Maurice Parker <mo@vincode.io>
Date: Sat, 21 Sep 2019 15:59:51 -0500
Subject: [PATCH] Prevent videos on iOS from autoplaying in fullscreen

---
 Shared/Article Rendering/main.js                     |  7 +++++++
 iOS/Detail/DetailViewControllerWebViewProvider.swift | 11 ++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/Shared/Article Rendering/main.js b/Shared/Article Rendering/main.js
index e33d725da..6730a6ea0 100644
--- a/Shared/Article Rendering/main.js	
+++ b/Shared/Article Rendering/main.js	
@@ -28,6 +28,12 @@ function linkHover() {
 	}
 }
 
+function inlineVideos() {
+	document.querySelectorAll("video").forEach(element => {
+		element.setAttribute("playsinline", true)
+	});
+}
+
 function error() {
 	document.body.innerHTML = "error";
 }
@@ -40,4 +46,5 @@ function render(data) {
 	wrapFrames()
 	stripStyles()
 	linkHover()
+	inlineVideos()
 }
diff --git a/iOS/Detail/DetailViewControllerWebViewProvider.swift b/iOS/Detail/DetailViewControllerWebViewProvider.swift
index 35bf79b04..58c1d7fdf 100644
--- a/iOS/Detail/DetailViewControllerWebViewProvider.swift
+++ b/iOS/Detail/DetailViewControllerWebViewProvider.swift
@@ -63,7 +63,16 @@ class DetailViewControllerWebViewProvider: NSObject, WKNavigationDelegate {
 
 	private func replenishQueueIfNeeded() {
 		while queue.count < minimumQueueDepth {
-			let webView = WKWebView(frame: .zero)
+			let preferences = WKPreferences()
+			preferences.javaScriptCanOpenWindowsAutomatically = false
+			preferences.javaScriptEnabled = true
+
+			let configuration = WKWebViewConfiguration()
+			configuration.preferences = preferences
+			configuration.allowsInlineMediaPlayback = true
+			configuration.mediaTypesRequiringUserActionForPlayback = .video
+			
+			let webView = WKWebView(frame: .zero, configuration: configuration)
 			enqueueWebView(webView)
 		}
 	}