| /* |
| * 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 |
| |
| #include "core/events/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 // TrackBase_h |