gecko-dev/content/media/TextTrack.h

131 строка
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_TextTrack_h
#define mozilla_dom_TextTrack_h
#include "mozilla/dom/TextTrackBinding.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsDOMEventTargetHelper.h"
#include "nsString.h"
namespace mozilla {
namespace dom {
class TextTrackCue;
class TextTrackCueList;
class TextTrackRegion;
class TextTrackRegionList;
class HTMLMediaElement;
class TextTrack MOZ_FINAL : public nsDOMEventTargetHelper
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TextTrack, nsDOMEventTargetHelper)
TextTrack(nsISupports* aParent);
TextTrack(nsISupports* aParent,
HTMLMediaElement* aMediaElement);
TextTrack(nsISupports* aParent,
HTMLMediaElement* aMediaElement,
TextTrackKind aKind,
const nsAString& aLabel,
const nsAString& aLanguage);
void SetDefaultSettings();
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
nsISupports* GetParentObject() const
{
return mParent;
}
TextTrackKind Kind() const
{
return mKind;
}
void GetLabel(nsAString& aLabel) const
{
aLabel = mLabel;
}
void GetLanguage(nsAString& aLanguage) const
{
aLanguage = mLanguage;
}
void GetInBandMetadataTrackDispatchType(nsAString& aType) const
{
aType = mType;
}
void GetId(nsAString& aId) const
{
aId = mId;
}
TextTrackMode Mode() const
{
return mMode;
}
void SetMode(TextTrackMode aValue);
TextTrackCueList* GetCues() const
{
if (mMode == TextTrackMode::Disabled) {
return nullptr;
}
return mCueList;
}
TextTrackCueList* GetActiveCues();
TextTrackRegionList* GetRegions() const
{
if (mMode != TextTrackMode::Disabled) {
return mRegionList;
}
return nullptr;
}
void AddRegion(TextTrackRegion& aRegion);
void RemoveRegion(const TextTrackRegion& aRegion, ErrorResult& aRv);
// Time is in seconds.
void Update(double aTime);
void AddCue(TextTrackCue& aCue);
void RemoveCue(TextTrackCue& aCue, ErrorResult& aRv);
void CueChanged(TextTrackCue& aCue);
void SetDirty() { mDirty = true; }
IMPL_EVENT_HANDLER(cuechange)
private:
nsCOMPtr<nsISupports> mParent;
nsRefPtr<HTMLMediaElement> mMediaElement;
TextTrackKind mKind;
nsString mLabel;
nsString mLanguage;
nsString mType;
nsString mId;
TextTrackMode mMode;
nsRefPtr<TextTrackCueList> mCueList;
nsRefPtr<TextTrackCueList> mActiveCueList;
nsRefPtr<TextTrackRegionList> mRegionList;
uint32_t mCuePos;
bool mDirty;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_TextTrack_h