Bug 1620340 - part4: Implement SetMediaMetadata() for the WindowsSMTCProvider, r=alwu

Differential Revision: https://phabricator.services.mozilla.com/D66587

--HG--
extra : moz-landing-system : lando

widget/windows/WindowsSMTCProvider.cpp

@@ -393,6 +393,13 @@ bool WindowsSMTCProvider::SetMusicMetadata(
   return true;
 }
 
+void WindowsSMTCProvider::SetMediaMetadata(
+    const mozilla::dom::MediaMetadataBase& aMetadata) {
+  SetMusicMetadata(Some(aMetadata.mArtist.get()), aMetadata.mTitle.get(),
+                   Some(aMetadata.mAlbum.get()));
+  Update();
+}
+
 void WindowsSMTCProvider::OnButtonPressed(
     mozilla::dom::MediaControlKeysEvent aEvent) {
   for (auto& listener : mListeners) {

widget/windows/WindowsSMTCProvider.h

@@ -64,6 +64,9 @@ class WindowsSMTCProvider final
                         const wchar_t* aTitle,
                         mozilla::Maybe<const wchar_t*> aAlbumArtist);
 
+  void SetMediaMetadata(
+      const mozilla::dom::MediaMetadataBase& aMetadata) override;
+
  private:
   ~WindowsSMTCProvider();
   void UnregisterEvents();