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/*
* Copyright (C) 2013 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 MediaSourceBase_h
#define MediaSourceBase_h
#include "core/dom/ActiveDOMObject.h"
#include "core/events/EventTarget.h"
#include "core/html/HTMLMediaSource.h"
#include "core/html/URLRegistry.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/Vector.h"
namespace blink {
class WebMediaSource;
class WebSourceBuffer;
}
namespace WebCore {
class ExceptionState;
class GenericEventQueue;
class MediaSourceBase : public RefCounted<MediaSourceBase>, public HTMLMediaSource, public ActiveDOMObject, public EventTargetWithInlineData {
REFCOUNTED_EVENT_TARGET(MediaSourceBase);
public:
static const AtomicString& openKeyword();
static const AtomicString& closedKeyword();
static const AtomicString& endedKeyword();
virtual ~MediaSourceBase();
void addedToRegistry();
void removedFromRegistry();
void openIfInEndedState();
bool isOpen() const;
// HTMLMediaSource
virtual bool attachToElement(HTMLMediaElement*) OVERRIDE;
virtual void setWebMediaSourceAndOpen(PassOwnPtr<blink::WebMediaSource>) OVERRIDE;
virtual void close() OVERRIDE;
virtual bool isClosed() const OVERRIDE;
virtual double duration() const OVERRIDE;
virtual PassRefPtr<TimeRanges> buffered() const OVERRIDE;
virtual void refHTMLMediaSource() OVERRIDE { ref(); }
virtual void derefHTMLMediaSource() OVERRIDE { deref(); }
void setDuration(double, ExceptionState&);
const AtomicString& readyState() const { return m_readyState; }
void setReadyState(const AtomicString&);
void endOfStream(const AtomicString& error, ExceptionState&);
// ActiveDOMObject interface
virtual bool hasPendingActivity() const OVERRIDE;
virtual void stop() OVERRIDE;
// EventTarget interface
virtual ExecutionContext* executionContext() const OVERRIDE;
// URLRegistrable interface
virtual URLRegistry& registry() const OVERRIDE;
protected:
explicit MediaSourceBase(ExecutionContext*);
virtual void onReadyStateChange(const AtomicString& oldState, const AtomicString& newState) = 0;
virtual Vector<RefPtr<TimeRanges> > activeRanges() const = 0;
PassOwnPtr<blink::WebSourceBuffer> createWebSourceBuffer(const String& type, const Vector<String>& codecs, ExceptionState&);
void scheduleEvent(const AtomicString& eventName);
GenericEventQueue* asyncEventQueue() const { return m_asyncEventQueue.get(); }
private:
OwnPtr<blink::WebMediaSource> m_webMediaSource;
AtomicString m_readyState;
OwnPtr<GenericEventQueue> m_asyncEventQueue;
HTMLMediaElement* m_attachedElement;
};
}
#endif
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