dom/media/VideoTrackList.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 et tw=78: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_VideoTrackList_h
   8 #define mozilla_dom_VideoTrackList_h
   9
  10 #include "MediaTrack.h"
  11 #include "MediaTrackList.h"
  12
  13 namespace mozilla {
  14 namespace dom {
  15
  16 class VideoTrack;
  17
  18 class VideoTrackList : public MediaTrackList {
  19  public:
  20   VideoTrackList(nsIGlobalObject* aOwnerObject, HTMLMediaElement* aMediaElement)
  21       : MediaTrackList(aOwnerObject, aMediaElement), mSelectedIndex(-1) {}
  22
  23   JSObject* WrapObject(JSContext* aCx,
  24                        JS::Handle<JSObject*> aGivenProto) override;
  25
  26   VideoTrack* operator[](uint32_t aIndex);
  27
  28   void RemoveTrack(const RefPtr<MediaTrack>& aTrack) override;
  29
  30   void EmptyTracks() override;
  31
  32   VideoTrack* GetSelectedTrack();
  33
  34   // WebIDL
  35   int32_t SelectedIndex() const { return mSelectedIndex; }
  36
  37   VideoTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
  38
  39   VideoTrack* GetTrackById(const nsAString& aId);
  40
  41   friend class VideoTrack;
  42
  43  protected:
  44   VideoTrackList* AsVideoTrackList() override { return this; }
  45
  46  private:
  47   int32_t mSelectedIndex;
  48 };
  49
  50 }  // namespace dom
  51 }  // namespace mozilla
  52
  53 #endif  // mozilla_dom_VideoTrackList_h