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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2011-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(VIDEO)
#include "ActiveDOMObject.h"
#include "HTMLElement.h"
#include "TextTrackClient.h"
namespace WebCore {
class HTMLMediaElement;
class LoadableTextTrack;
class HTMLTrackElement final : public HTMLElement, public ActiveDOMObject, public TextTrackClient {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(HTMLTrackElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(HTMLTrackElement);
public:
static Ref<HTMLTrackElement> create(const QualifiedName&, Document&);
// ActiveDOMObject.
void ref() const final { HTMLElement::ref(); }
void deref() const final { HTMLElement::deref(); }
using HTMLElement::scriptExecutionContext;
USING_CAN_MAKE_WEAKPTR(HTMLElement);
const AtomString& kind();
void setKind(const AtomString&);
const AtomString& srclang() const;
const AtomString& label() const;
bool isDefault() const;
enum ReadyState { NONE = 0, LOADING = 1, LOADED = 2, TRACK_ERROR = 3 };
ReadyState readyState() const;
void setReadyState(ReadyState);
TextTrack& track();
void scheduleLoad();
enum LoadStatus { Failure, Success };
void didCompleteLoad(LoadStatus);
RefPtr<HTMLMediaElement> mediaElement() const;
const AtomString& mediaElementCrossOriginAttribute() const;
void scheduleTask(Function<void()>&&);
private:
HTMLTrackElement(const QualifiedName&, Document&);
virtual ~HTMLTrackElement();
// ActiveDOMObject.
bool virtualHasPendingActivity() const final;
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) final;
InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) final;
void removedFromAncestor(RemovalType, ContainerNode&) final;
void didMoveToNewDocument(Document& oldDocument, Document& newDocument) final;
bool isURLAttribute(const Attribute&) const final;
// EventTarget.
void eventListenersDidChange() final;
// TextTrackClient
void textTrackModeChanged(TextTrack&) final;
bool canLoadURL(const URL&);
Ref<LoadableTextTrack> m_track;
bool m_loadPending { false };
bool m_hasRelevantLoadEventsListener { false };
};
}
#endif
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