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/* -*- 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_VideoTrack_h
#define mozilla_dom_VideoTrack_h

#include "MediaTrack.h"

namespace mozilla {
namespace dom {

class VideoTrackList;

class VideoTrack : public MediaTrack
{
public:
  VideoTrack(const nsAString& aId,
             const nsAString& aKind,
             const nsAString& aLabel,
             const nsAString& aLanguage);

  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;

  virtual VideoTrack* AsVideoTrack() MOZ_OVERRIDE
  {
    return this;
  }

  // When fetching media resource, if no video track is selected by the media
  // resource, then the first VideoTrack object in the list is set selected as
  // default. If multiple video tracks are selected by its media resource at
  // fetching phase, then the first enabled video track is set selected.
  // aFlags contains FIRE_NO_EVENTS because no events are fired in such cases.
  virtual void SetEnabledInternal(bool aEnabled, int aFlags) MOZ_OVERRIDE;

  // WebIDL
  bool Selected() const
  {
    return mSelected;
  }

  // Either zero or one video track is selected in a list; If the selected track
  // is in a VideoTrackList, then all the other VideoTrack objects in that list
  // must be unselected.
  void SetSelected(bool aSelected);

private:
  bool mSelected;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_VideoTrack_h