root/DefaultAudioDestinationNode.h

INCLUDED FROM

/*
 * Copyright (C) 2011, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
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 *
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#ifndef DefaultAudioDestinationNode_h
#define DefaultAudioDestinationNode_h

#include "core/platform/audio/AudioDestination.h"
#include "modules/webaudio/AudioDestinationNode.h"
#include "wtf/OwnPtr.h"

namespace WebCore {

class AudioContext;
class ExceptionState;

class DefaultAudioDestinationNode : public AudioDestinationNode {
public:
    static PassRefPtr<DefaultAudioDestinationNode> create(AudioContext* context)
    {
        return adoptRef(new DefaultAudioDestinationNode(context));
    }

    virtual ~DefaultAudioDestinationNode();

    // AudioNode
    virtual void initialize() OVERRIDE;
    virtual void uninitialize() OVERRIDE;
    virtual void setChannelCount(unsigned long, ExceptionState&) OVERRIDE;

    // AudioDestinationNode
    virtual void enableInput(const String& inputDeviceId) OVERRIDE;
    virtual void startRendering() OVERRIDE;
    virtual unsigned long maxChannelCount() const OVERRIDE;

private:
    explicit DefaultAudioDestinationNode(AudioContext*);
    void createDestination();

    OwnPtr<AudioDestination> m_destination;
    String m_inputDeviceId;
    unsigned m_numberOfInputChannels;
};

} // namespace WebCore

#endif // DefaultAudioDestinationNode_h