/* -*- 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 VideoStreamTrack; class VideoTrack : public MediaTrack { public: VideoTrack(const nsAString& aId, const nsAString& aKind, const nsAString& aLabel, const nsAString& aLanguage, VideoStreamTrack* aStreamTarck = nullptr); NS_DECL_ISUPPORTS_INHERITED NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(VideoTrack, MediaTrack) JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; VideoTrack* AsVideoTrack() 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. void SetEnabledInternal(bool aEnabled, int aFlags) override; // Get associated video stream track when the video track comes from // MediaStream. This might be nullptr when the src of owning HTMLMediaElement // is not MediaStream. VideoStreamTrack* GetVideoStreamTrack() { return mVideoStreamTrack; } // 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: virtual ~VideoTrack(); bool mSelected; RefPtr<VideoStreamTrack> mVideoStreamTrack; }; } // namespace dom } // namespace mozilla #endif // mozilla_dom_VideoTrack_h