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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 MediaSource_h
#define MediaSource_h
#if ENABLE(MEDIA_SOURCE)
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include "GenericEventQueue.h"
#include "MediaSourcePrivate.h"
#include "MediaSourcePrivateClient.h"
#include "ScriptWrappable.h"
#include "SourceBuffer.h"
#include "SourceBufferList.h"
#include "URLRegistry.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class GenericEventQueue;
class MediaSource : public MediaSourcePrivateClient, public ActiveDOMObject, public EventTargetWithInlineData, public ScriptWrappable, public URLRegistrable {
public:
static void setRegistry(URLRegistry*);
static MediaSource* lookup(const String& url) { return s_registry ? static_cast<MediaSource*>(s_registry->lookup(url)) : 0; }
static const AtomicString& openKeyword();
static const AtomicString& closedKeyword();
static const AtomicString& endedKeyword();
static PassRefPtr<MediaSource> create(ScriptExecutionContext&);
virtual ~MediaSource();
void addedToRegistry();
void removedFromRegistry();
void openIfInEndedState();
bool isOpen() const;
bool isClosed() const;
bool isEnded() const;
void sourceBufferDidChangeAcitveState(SourceBuffer*, bool);
void streamEndedWithError(const AtomicString& error, ExceptionCode&);
// MediaSourcePrivateClient
virtual void setPrivateAndOpen(PassRef<MediaSourcePrivate>) override;
virtual MediaTime duration() const override;
virtual std::unique_ptr<PlatformTimeRanges> buffered() const override;
virtual void seekToTime(const MediaTime&) override;
bool attachToElement(HTMLMediaElement*);
void close();
void monitorSourceBuffers();
bool isSeeking() const { return m_pendingSeekTime.isValid(); }
void completeSeek();
void setDuration(double, ExceptionCode&);
void setDurationInternal(const MediaTime&);
MediaTime currentTime() const;
const AtomicString& readyState() const { return m_readyState; }
void setReadyState(const AtomicString&);
void endOfStream(ExceptionCode&);
void endOfStream(const AtomicString& error, ExceptionCode&);
HTMLMediaElement* mediaElement() const { return m_mediaElement; }
// MediaSource.idl methods
SourceBufferList* sourceBuffers() { return m_sourceBuffers.get(); }
SourceBufferList* activeSourceBuffers() { return m_activeSourceBuffers.get(); }
SourceBuffer* addSourceBuffer(const String& type, ExceptionCode&);
void removeSourceBuffer(SourceBuffer*, ExceptionCode&);
static bool isTypeSupported(const String& type);
// ActiveDOMObject interface
virtual bool hasPendingActivity() const override;
virtual void stop() override;
// EventTarget interface
virtual ScriptExecutionContext* scriptExecutionContext() const override final;
virtual void refEventTarget() override final { ref(); }
virtual void derefEventTarget() override final { deref(); }
virtual EventTargetInterface eventTargetInterface() const override;
// URLRegistrable interface
virtual URLRegistry& registry() const override;
using RefCounted<MediaSourcePrivateClient>::ref;
using RefCounted<MediaSourcePrivateClient>::deref;
protected:
explicit MediaSource(ScriptExecutionContext&);
void onReadyStateChange(const AtomicString& oldState, const AtomicString& newState);
Vector<PlatformTimeRanges> activeRanges() const;
RefPtr<SourceBufferPrivate> createSourceBufferPrivate(const ContentType&, ExceptionCode&);
void scheduleEvent(const AtomicString& eventName);
GenericEventQueue& asyncEventQueue() { return m_asyncEventQueue; }
void regenerateActiveSourceBuffers();
static URLRegistry* s_registry;
RefPtr<MediaSourcePrivate> m_private;
RefPtr<SourceBufferList> m_sourceBuffers;
RefPtr<SourceBufferList> m_activeSourceBuffers;
HTMLMediaElement* m_mediaElement;
MediaTime m_duration;
MediaTime m_pendingSeekTime;
AtomicString m_readyState;
GenericEventQueue m_asyncEventQueue;
};
}
#endif
#endif
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