From 83579a07c6a889f12665cf1bc9ce82f3267ec8e6 Mon Sep 17 00:00:00 2001
From: Huong Nguyen <huongnv13@gmail.com>
Date: Mon, 31 Oct 2022 09:33:33 +0700
Subject: [PATCH] MDL-76104 mediaplayer_youtube: Respect container max width

---
 filter/mediaplugin/tests/filter_test.php | 3 ++-
 media/player/youtube/classes/plugin.php  | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/filter/mediaplugin/tests/filter_test.php b/filter/mediaplugin/tests/filter_test.php
index 79766e9cf9f..8a57f3cf254 100644
--- a/filter/mediaplugin/tests/filter_test.php
+++ b/filter/mediaplugin/tests/filter_test.php
@@ -96,7 +96,8 @@ class filter_test extends \advanced_testcase {
         $paddedurl = str_pad($originalurl, 6000, 'z');
         $validpaddedurl = '<p>Some text.</p><pre style="color: rgb(0, 0, 0); line-height: normal;"><span class="mediaplugin mediaplugin_youtube">
 <iframe title="Valid link" width="640" height="360"
-  src="https://www.youtube.com/embed/uUhWl9Lm3OM?rel=0&amp;wmode=transparent" frameborder="0" allowfullscreen="1"></iframe>
+  src="https://www.youtube.com/embed/uUhWl9Lm3OM?rel=0&amp;wmode=transparent" frameborder="0"
+  allowfullscreen="1" style="max-width: 100%;"></iframe>
 </span></pre><pre style="color: rgb(0, 0, 0); line-height: normal;">';
         $validpaddedurl = str_pad($validpaddedurl, 6000 + (strlen($validpaddedurl) - strlen($originalurl)), 'z');
 
diff --git a/media/player/youtube/classes/plugin.php b/media/player/youtube/classes/plugin.php
index 9537ae94138..10216231903 100644
--- a/media/player/youtube/classes/plugin.php
+++ b/media/player/youtube/classes/plugin.php
@@ -78,7 +78,8 @@ class media_youtube_plugin extends core_media_player_external {
 
             return <<<OET
 <span class="mediaplugin mediaplugin_youtube">
-<iframe width="$width" height="$height" src="https://$site/embed/videoseries?list=$playlist" frameborder="0" allowfullscreen="1"></iframe>
+<iframe width="$width" height="$height" src="https://$site/embed/videoseries?list=$playlist" frameborder="0"
+  allowfullscreen="1" style="max-width: 100%;"></iframe>
 </span>
 OET;
         } else {
@@ -100,7 +101,8 @@ OET;
             return <<<OET
 <span class="mediaplugin mediaplugin_youtube">
 <iframe title="$info" width="$width" height="$height"
-  src="https://www.youtube.com/embed/$videoid?{$params}rel=0&amp;wmode=transparent" frameborder="0" allowfullscreen="1"></iframe>
+  src="https://www.youtube.com/embed/$videoid?{$params}rel=0&amp;wmode=transparent" frameborder="0"
+  allowfullscreen="1" style="max-width: 100%;"></iframe>
 </span>
 OET;
         }