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/*
* Copyright (C) 2011 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 COMPUTER, 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 COMPUTER, 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.
*/
#ifndef TrackBase_h
#define TrackBase_h
#if ENABLE(VIDEO_TRACK)
#include "EventTarget.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class Element;
class HTMLMediaElement;
class TrackBase : public RefCounted<TrackBase> {
public:
virtual ~TrackBase();
enum Type { BaseTrack, TextTrack, AudioTrack, VideoTrack };
Type type() const { return m_type; }
void setMediaElement(HTMLMediaElement* element) { m_mediaElement = element; }
HTMLMediaElement* mediaElement() { return m_mediaElement; }
virtual Element* element();
AtomicString kind() const { return m_kind; }
virtual void setKind(const AtomicString&);
AtomicString label() const { return m_label; }
void setLabel(const AtomicString& label) { m_label = label; }
AtomicString language() const { return m_language; }
void setLanguage(const AtomicString& language) { m_language = language; }
virtual void clearClient() = 0;
protected:
TrackBase(Type, const AtomicString& label, const AtomicString& language);
virtual bool isValidKind(const AtomicString&) const = 0;
virtual const AtomicString& defaultKindKeyword() const = 0;
HTMLMediaElement* m_mediaElement;
private:
Type m_type;
AtomicString m_kind;
AtomicString m_label;
AtomicString m_language;
};
} // namespace WebCore
#endif
#endif // TrackBase_h
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