gecko-dev/dom/media/webvtt/TextTrackList.h

82 строки
2.5 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_TextTrackList_h
#define mozilla_dom_TextTrackList_h
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/TextTrack.h"
#include "nsCycleCollectionParticipant.h"
namespace mozilla {
namespace dom {
class Event;
class HTMLMediaElement;
class TextTrackManager;
class CompareTextTracks;
class TrackEvent;
class TrackEventRunner;
class TextTrackList final : public DOMEventTargetHelper {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TextTrackList, DOMEventTargetHelper)
explicit TextTrackList(nsPIDOMWindowInner* aOwnerWindow);
TextTrackList(nsPIDOMWindowInner* aOwnerWindow,
TextTrackManager* aTextTrackManager);
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
uint32_t Length() const { return mTextTracks.Length(); }
// Get all the current active cues.
void GetShowingCues(nsTArray<RefPtr<TextTrackCue>>& aCues);
TextTrack* IndexedGetter(uint32_t aIndex, bool& aFound);
TextTrack* operator[](uint32_t aIndex);
already_AddRefed<TextTrack> AddTextTrack(
TextTrackKind aKind, const nsAString& aLabel, const nsAString& aLanguage,
TextTrackMode aMode, TextTrackReadyState aReadyState,
TextTrackSource aTextTrackSource, const CompareTextTracks& aCompareTT);
TextTrack* GetTrackById(const nsAString& aId);
void AddTextTrack(TextTrack* aTextTrack, const CompareTextTracks& aCompareTT);
void RemoveTextTrack(TextTrack* aTrack);
HTMLMediaElement* GetMediaElement();
void SetTextTrackManager(TextTrackManager* aTextTrackManager);
nsresult DispatchTrackEvent(Event* aEvent);
void CreateAndDispatchChangeEvent();
void SetCuesInactive();
bool AreTextTracksLoaded();
nsTArray<RefPtr<TextTrack>>& GetTextTrackArray();
IMPL_EVENT_HANDLER(change)
IMPL_EVENT_HANDLER(addtrack)
IMPL_EVENT_HANDLER(removetrack)
private:
~TextTrackList();
nsTArray<RefPtr<TextTrack>> mTextTracks;
RefPtr<TextTrackManager> mTextTrackManager;
void CreateAndDispatchTrackEventRunner(TextTrack* aTrack,
const nsAString& aEventName);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_TextTrackList_h