/*
* Copyright (C) 2013 Google Inc. All rights reserved.
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* 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.
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* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
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*
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*/
#ifndef HTMLMediaSource_h
#define HTMLMediaSource_h
#include "core/html/URLRegistry.h"
#include "wtf/Forward.h"
namespace blink {
class WebMediaSource;
}
namespace WebCore {
class HTMLMediaElement;
class TimeRanges;
class HTMLMediaSource : public URLRegistrable {
public:
static void setRegistry(URLRegistry*);
static HTMLMediaSource* lookup(const String& url) { return s_registry ? static_cast<HTMLMediaSource*>(s_registry->lookup(url)) : 0; }
void ref() { refHTMLMediaSource(); }
void deref() { derefHTMLMediaSource(); }
// Called when an HTMLMediaElement is attempting to attach to this object,
// and helps enforce attachment to at most one element at a time.
// If already attached, returns false. Otherwise, must be in
// 'closed' state, and returns true to indicate attachment success.
// Reattachment allowed by first calling close() (even if already in 'closed').
// Once attached, the source uses the element to synchronously service some
// API operations like duration change that may need to initiate seek.
virtual bool attachToElement(HTMLMediaElement*) = 0;
virtual void setWebMediaSourceAndOpen(PassOwnPtr<blink::WebMediaSource>) = 0;
virtual void close() = 0;
virtual bool isClosed() const = 0;
virtual double duration() const = 0;
virtual PassRefPtr<TimeRanges> buffered() const = 0;
virtual void refHTMLMediaSource() = 0;
virtual void derefHTMLMediaSource() = 0;
// URLRegistrable
virtual URLRegistry& registry() const OVERRIDE { return *s_registry; }
private:
static URLRegistry* s_registry;
};
}
#endif