Add m-esr52 at 52.6.0

1 files changed, 53 insertions, 0 deletions

diff --git a/dom/media/VideoStreamTrack.h b/dom/media/VideoStreamTrack.h
new file mode 100644
index 0000000000..c614632100
--- /dev/null
+++ b/dom/media/VideoStreamTrack.h
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* 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 VIDEOSTREAMTRACK_H_
+#define VIDEOSTREAMTRACK_H_
+
+#include "MediaStreamTrack.h"
+#include "DOMMediaStream.h"
+
+namespace mozilla {
+
+class MediaStreamVideoSink;
+
+namespace dom {
+
+class VideoStreamTrack : public MediaStreamTrack {
+public:
+  VideoStreamTrack(DOMMediaStream* aStream, TrackID aTrackID,
+                   TrackID aInputTrackID,
+                   MediaStreamTrackSource* aSource,
+                   const MediaTrackConstraints& aConstraints = MediaTrackConstraints())
+    : MediaStreamTrack(aStream, aTrackID, aInputTrackID, aSource, aConstraints) {}
+
+  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  VideoStreamTrack* AsVideoStreamTrack() override { return this; }
+
+  const VideoStreamTrack* AsVideoStreamTrack() const override { return this; }
+
+  void AddVideoOutput(MediaStreamVideoSink* aSink);
+  void RemoveVideoOutput(MediaStreamVideoSink* aSink);
+
+  // WebIDL
+  void GetKind(nsAString& aKind) override { aKind.AssignLiteral("video"); }
+
+protected:
+  already_AddRefed<MediaStreamTrack> CloneInternal(DOMMediaStream* aOwningStream,
+                                                   TrackID aTrackID) override
+  {
+    return do_AddRef(new VideoStreamTrack(aOwningStream,
+                                          aTrackID,
+                                          mInputTrackID,
+                                          mSource,
+                                          mConstraints));
+  }
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* VIDEOSTREAMTRACK_H_ */