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/* -*- 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_TextTrack_h
#define mozilla_dom_TextTrack_h
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/TextTrackBinding.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsString.h"
namespace mozilla {
namespace dom {
class TextTrackList;
class TextTrackCue;
class TextTrackCueList;
class HTMLTrackElement;
enum TextTrackSource {
Track,
AddTextTrack,
MediaResourceSpecific
};
// Constants for numeric readyState property values.
enum TextTrackReadyState {
NotLoaded = 0U,
Loading = 1U,
Loaded = 2U,
FailedToLoad = 3U
};
class TextTrack final : public DOMEventTargetHelper
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TextTrack, DOMEventTargetHelper)
TextTrack(nsPIDOMWindowInner* aOwnerWindow,
TextTrackKind aKind,
const nsAString& aLabel,
const nsAString& aLanguage,
TextTrackMode aMode,
TextTrackReadyState aReadyState,
TextTrackSource aTextTrackSource);
TextTrack(nsPIDOMWindowInner* aOwnerWindow,
TextTrackList* aTextTrackList,
TextTrackKind aKind,
const nsAString& aLabel,
const nsAString& aLanguage,
TextTrackMode aMode,
TextTrackReadyState aReadyState,
TextTrackSource aTextTrackSource);
void SetDefaultSettings();
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
TextTrackKind Kind() const
{
return mKind;
}
void GetLabel(nsAString& aLabel) const;
void GetLanguage(nsAString& aLanguage) const;
void GetInBandMetadataTrackDispatchType(nsAString& aType) const
{
aType = mType;
}
void GetId(nsAString& aId) const;
TextTrackMode Mode() const
{
return mMode;
}
void SetMode(TextTrackMode aValue);
TextTrackCueList* GetCues() const
{
if (mMode == TextTrackMode::Disabled) {
return nullptr;
}
return mCueList;
}
TextTrackCueList* GetActiveCues();
void UpdateActiveCueList();
void GetActiveCueArray(nsTArray<RefPtr<TextTrackCue> >& aCues);
TextTrackReadyState ReadyState() const;
void SetReadyState(TextTrackReadyState aState);
void SetReadyState(uint32_t aReadyState);
void AddCue(TextTrackCue& aCue);
void RemoveCue(TextTrackCue& aCue, ErrorResult& aRv);
void SetDirty() { mDirty = true; }
void SetCuesDirty();
TextTrackList* GetTextTrackList();
void SetTextTrackList(TextTrackList* aTextTrackList);
IMPL_EVENT_HANDLER(cuechange)
HTMLTrackElement* GetTrackElement();
void SetTrackElement(HTMLTrackElement* aTrackElement);
TextTrackSource GetTextTrackSource() {
return mTextTrackSource;
}
void SetCuesInactive();
void NotifyCueUpdated(TextTrackCue *aCue);
void DispatchAsyncTrustedEvent(const nsString& aEventName);
private:
~TextTrack();
RefPtr<TextTrackList> mTextTrackList;
TextTrackKind mKind;
nsString mLabel;
nsString mLanguage;
nsString mType;
TextTrackMode mMode;
RefPtr<TextTrackCueList> mCueList;
RefPtr<TextTrackCueList> mActiveCueList;
RefPtr<HTMLTrackElement> mTrackElement;
uint32_t mCuePos;
TextTrackReadyState mReadyState;
bool mDirty;
// An enum that represents where the track was sourced from.
TextTrackSource mTextTrackSource;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_TextTrack_h
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