gecko-dev/dom/media/VideoTrackList.h

55 строки
1.3 KiB
C++

/* -*- 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_VideoTrackList_h
#define mozilla_dom_VideoTrackList_h
#include "MediaTrack.h"
#include "MediaTrackList.h"
namespace mozilla {
namespace dom {
class VideoTrack;
class VideoTrackList : public MediaTrackList
{
public:
VideoTrackList(nsPIDOMWindow* aOwnerWindow, HTMLMediaElement* aMediaElement)
: MediaTrackList(aOwnerWindow, aMediaElement)
, mSelectedIndex(-1)
{}
virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
VideoTrack* operator[](uint32_t aIndex);
virtual void EmptyTracks() MOZ_OVERRIDE;
// WebIDL
int32_t SelectedIndex() const
{
return mSelectedIndex;
}
VideoTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
VideoTrack* GetTrackById(const nsAString& aId);
friend class VideoTrack;
protected:
virtual VideoTrackList* AsVideoTrackList() MOZ_OVERRIDE { return this; }
private:
int32_t mSelectedIndex;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_VideoTrackList_h