mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
111 lines
2.9 KiB
C
111 lines
2.9 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_MediaTrackList_h
|
||
|
#define mozilla_dom_MediaTrackList_h
|
||
|
|
||
|
#include "mozilla/DOMEventTargetHelper.h"
|
||
|
|
||
|
namespace mozilla {
|
||
|
class DOMMediaStream;
|
||
|
|
||
|
namespace dom {
|
||
|
|
||
|
class HTMLMediaElement;
|
||
|
class MediaTrack;
|
||
|
class AudioTrackList;
|
||
|
class VideoTrackList;
|
||
|
class AudioTrack;
|
||
|
class VideoTrack;
|
||
|
|
||
|
/**
|
||
|
* Base class of AudioTrackList and VideoTrackList. The AudioTrackList and
|
||
|
* VideoTrackList objects represent a dynamic list of zero or more audio and
|
||
|
* video tracks respectively.
|
||
|
*
|
||
|
* When a media element is to forget its media-resource-specific tracks, its
|
||
|
* audio track list and video track list will be emptied.
|
||
|
*/
|
||
|
class MediaTrackList : public DOMEventTargetHelper
|
||
|
{
|
||
|
public:
|
||
|
MediaTrackList(nsPIDOMWindow* aOwnerWindow, HTMLMediaElement* aMediaElement);
|
||
|
|
||
|
NS_DECL_ISUPPORTS_INHERITED
|
||
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaTrackList, DOMEventTargetHelper)
|
||
|
|
||
|
using DOMEventTargetHelper::DispatchTrustedEvent;
|
||
|
|
||
|
// The return value is non-null, assert an error if aIndex is out of bound
|
||
|
// for array mTracks.
|
||
|
MediaTrack* operator[](uint32_t aIndex);
|
||
|
|
||
|
void AddTrack(MediaTrack* aTrack);
|
||
|
|
||
|
void RemoveTrack(const RefPtr<MediaTrack>& aTrack);
|
||
|
|
||
|
void RemoveTracks();
|
||
|
|
||
|
static already_AddRefed<AudioTrack>
|
||
|
CreateAudioTrack(const nsAString& aId,
|
||
|
const nsAString& aKind,
|
||
|
const nsAString& aLabel,
|
||
|
const nsAString& aLanguage,
|
||
|
bool aEnabled);
|
||
|
|
||
|
static already_AddRefed<VideoTrack>
|
||
|
CreateVideoTrack(const nsAString& aId,
|
||
|
const nsAString& aKind,
|
||
|
const nsAString& aLabel,
|
||
|
const nsAString& aLanguage);
|
||
|
|
||
|
virtual void EmptyTracks();
|
||
|
|
||
|
void CreateAndDispatchChangeEvent();
|
||
|
|
||
|
// WebIDL
|
||
|
MediaTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
|
||
|
|
||
|
MediaTrack* GetTrackById(const nsAString& aId);
|
||
|
|
||
|
bool IsEmpty() const
|
||
|
{
|
||
|
return mTracks.IsEmpty();
|
||
|
}
|
||
|
|
||
|
uint32_t Length() const
|
||
|
{
|
||
|
return mTracks.Length();
|
||
|
}
|
||
|
|
||
|
IMPL_EVENT_HANDLER(change)
|
||
|
IMPL_EVENT_HANDLER(addtrack)
|
||
|
IMPL_EVENT_HANDLER(removetrack)
|
||
|
|
||
|
friend class AudioTrack;
|
||
|
friend class VideoTrack;
|
||
|
|
||
|
protected:
|
||
|
virtual ~MediaTrackList();
|
||
|
|
||
|
void CreateAndDispatchTrackEventRunner(MediaTrack* aTrack,
|
||
|
const nsAString& aEventName);
|
||
|
|
||
|
virtual AudioTrackList* AsAudioTrackList() { return nullptr; }
|
||
|
|
||
|
virtual VideoTrackList* AsVideoTrackList() { return nullptr; }
|
||
|
|
||
|
HTMLMediaElement* GetMediaElement() { return mMediaElement; }
|
||
|
|
||
|
nsTArray<RefPtr<MediaTrack>> mTracks;
|
||
|
RefPtr<HTMLMediaElement> mMediaElement;
|
||
|
};
|
||
|
|
||
|
} // namespace dom
|
||
|
} // namespace mozilla
|
||
|
|
||
|
#endif // mozilla_dom_MediaTrackList_h
|