From 1eb99d35545e7134dccf5b71490138d2c6cd00e5 Mon Sep 17 00:00:00 2001
From: Imanol Fernandez <mortimergoro@gmail.com>
Date: Tue, 7 Jan 2020 15:38:51 +0100
Subject: [PATCH] Set youtube viewport before DOMContentLoaded

---
 .../main/assets/web_extensions/webcompat_youtube/main.js   | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/src/main/assets/web_extensions/webcompat_youtube/main.js b/app/src/main/assets/web_extensions/webcompat_youtube/main.js
index 151a7b7de..812e77894 100644
--- a/app/src/main/assets/web_extensions/webcompat_youtube/main.js
+++ b/app/src/main/assets/web_extensions/webcompat_youtube/main.js
@@ -31,9 +31,10 @@ class YoutubeExtension {
         if (viewport) {
             viewport.setAttribute('content', content);
         } else {
-            document.head.insertAdjacentHTML('afterbegin', `<meta name="viewport" content="${content}"/>`);
+            const container = document.head || document.documentElement;
+            container.insertAdjacentHTML('afterbegin', `<meta name="viewport" content="${content}"/>`);
         }
-        logDebug(`Youtube viewport updated`);
+        logDebug(`Youtube viewport updated: ${window.innerWidth}x${window.innerHeight} `);
     }
 
     // Select a better youtube video quality
@@ -203,7 +204,7 @@ class YoutubeExtension {
 logDebug(`Initializing youtube extension in frame: ${window.location.href}`);
 const youtube = new YoutubeExtension();
 youtube.overrideUA();
-window.addEventListener('DOMContentLoaded', () => youtube.overrideViewport());
+youtube.overrideViewport();
 window.addEventListener('load', () => {
     logDebug('page load');
     youtube.overrideVideoProjection();