1 files changed, 52 insertions, 0 deletions
diff --git a/dom/media/AudioTrack.h b/dom/media/AudioTrack.h
new file mode 100644
index 0000000000..29104801ca
--- /dev/null
+++ b/dom/media/AudioTrack.h
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 et tw=78: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_AudioTrack_h
+#define mozilla_dom_AudioTrack_h
+
+#include "MediaTrack.h"
+
+namespace mozilla::dom {
+
+class AudioStreamTrack;
+
+class AudioTrack : public MediaTrack {
+ public:
+  AudioTrack(nsIGlobalObject* aOwnerGlobal, const nsAString& aId,
+             const nsAString& aKind, const nsAString& aLabel,
+             const nsAString& aLanguage, bool aEnabled,
+             AudioStreamTrack* aStreamTrack = nullptr);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioTrack, MediaTrack)
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  AudioTrack* AsAudioTrack() override { return this; }
+
+  void SetEnabledInternal(bool aEnabled, int aFlags) override;
+
+  // Get associated audio stream track when the audio track comes from
+  // MediaStream. This might be nullptr when the src of owning HTMLMediaElement
+  // is not MediaStream.
+  AudioStreamTrack* GetAudioStreamTrack() { return mAudioStreamTrack; }
+
+  // WebIDL
+  bool Enabled() const { return mEnabled; }
+
+  void SetEnabled(bool aEnabled);
+
+ private:
+  virtual ~AudioTrack();
+
+  bool mEnabled;
+  RefPtr<AudioStreamTrack> mAudioStreamTrack;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_AudioTrack_h