Merge pull request #5526 from gnattu/remove-redundant-keybindings

src/scripts/keyboardNavigation.js

@@ -45,6 +45,11 @@ const KeyNames = {
  */
 const NavigationKeys = ['ArrowLeft', 'ArrowRight', 'ArrowUp', 'ArrowDown'];
 
+/**
+ * Keys used for media playback control.
+ */
+const MediaKeys = ['MediaRewind', 'MediaStop', 'MediaPlay', 'MediaFastForward', 'MediaTrackPrevious', 'MediaTrackNext', 'MediaPlayPause'];
+
 /**
  * Elements for which navigation should be constrained.
  */
@@ -89,6 +94,16 @@ export function isNavigationKey(key) {
     return NavigationKeys.indexOf(key) != -1;
 }
 
+/**
+ * Returns _true_ if key is used for media playback control.
+ *
+ * @param {string} key - Key name.
+ * @return {boolean} _true_ if key is used for media playback control.
+ */
+export function isMediaKey(key) {
+    return MediaKeys.includes(key);
+}
+
 /**
  * Returns _true_ if the element is interactive.
  *
@@ -108,6 +123,7 @@ export function isInteractiveElement(element) {
 }
 
 export function enable() {
+    const hasMediaSession = 'mediaSession' in navigator;
     window.addEventListener('keydown', function (e) {
         const key = getKeyName(e);
 
@@ -116,6 +132,11 @@ export function enable() {
             return;
         }
 
+        // Ignore Media Keys for non-TV platform having MediaSession API
+        if (!browser.tv && isMediaKey(key) && hasMediaSession) {
+            return;
+        }
+
         let capture = true;
 
         switch (key) {