/* * 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 ScriptExecutionContext; class TrackBase : public RefCounted<TrackBase>, public EventTarget { public: virtual ~TrackBase(); enum Type { BaseTrack, TextTrack, AudioTrack, VideoTrack }; Type type() const { return m_type; } virtual const AtomicString& interfaceName() const; virtual ScriptExecutionContext* scriptExecutionContext() const; using RefCounted<TrackBase>::ref; using RefCounted<TrackBase>::deref; protected: TrackBase(ScriptExecutionContext*, Type); virtual EventTargetData* eventTargetData(); virtual EventTargetData* ensureEventTargetData(); private: Type m_type; virtual void refEventTarget() { ref(); } virtual void derefEventTarget() { deref(); } ScriptExecutionContext* m_scriptExecutionContext; EventTargetData m_eventTargetData; }; } // namespace WebCore #endif #endif // TrackBase_h