From 5c6ef10c6b6c1f063e9eeee653cc8419ff172200 Mon Sep 17 00:00:00 2001
From: David Baker <dave@matrix.org>
Date: Thu, 21 Nov 2019 15:55:30 +0000
Subject: [PATCH] Ignore media actions

Hopefully the comment explains all

Fixes https://github.com/vector-im/riot-web/issues/11118
---
 src/CallHandler.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/CallHandler.js b/src/CallHandler.js
index 625ca8c551..4ffc9fb7a2 100644
--- a/src/CallHandler.js
+++ b/src/CallHandler.js
@@ -495,6 +495,15 @@ async function _startCallApp(roomId, type) {
 // with the dispatcher once
 if (!global.mxCallHandler) {
     dis.register(_onAction);
+    // add empty handlers for media actions, otherwise the media keys
+    // end up causing the audio elements with our ring/ringback etc
+    // audio clips in to play.
+    navigator.mediaSession.setActionHandler('play', function() {});
+    navigator.mediaSession.setActionHandler('pause', function() {});
+    navigator.mediaSession.setActionHandler('seekbackward', function() {});
+    navigator.mediaSession.setActionHandler('seekforward', function() {});
+    navigator.mediaSession.setActionHandler('previoustrack', function() {});
+    navigator.mediaSession.setActionHandler('nexttrack', function() {});
 }
 
 const callHandler = {