/*

     File: SimpleAudioDriverUserClient.h 

 Abstract:  Part of SimpleAudioDriver Example  

  Version: 1.0.1 

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*/

/*==================================================================================================

    SimpleAudioDriverUserClient.h

==================================================================================================*/

#if !defined(__SimpleAudioDriverUserClient_h__)

#define __SimpleAudioDriverUserClient_h__

//==================================================================================================

//  Includes

//==================================================================================================

//  Super Class Includes

#include <IOKit/IOUserClient.h>

//  Local Includes

#include "SimpleAudioDriver.h"

//==================================================================================================

//  SimpleAudioDriverUserClient

//==================================================================================================

#define SimpleAudioDriverUserClient com_apple_audio_SimpleAudioDriverUserClient

class SimpleAudioDriverUserClient

:

    public  IOUserClient

{

//  Construction/Destruction

    OSDeclareDefaultStructors(com_apple_audio_SimpleAudioDriverUserClient)

public:

    virtual bool                            initWithTask(task_t inOwningTask, void* inSecurityToken, UInt32 inType, OSDictionary* inProperties);

    virtual bool                            start(IOService* inProvider);   

    virtual bool                            didTerminate(IOService* inProvider, IOOptionBits inOptions, bool* outDefer);

//  Client Management

public:

    virtual IOReturn                        clientClose(void);

//  Client Methods

protected:

    virtual IOReturn                        externalMethod(uint32_t inSelector, IOExternalMethodArguments* inArguments, IOExternalMethodDispatch* inDispatch, OSObject* inTarget, void* inReference);

    virtual IOReturn                        clientMemoryForType(UInt32 inType, IOOptionBits* outOptions, IOMemoryDescriptor** outMemory);

private:

    static IOReturn                         method_Open(OSObject* inTarget, void* inReference, IOExternalMethodArguments* inArguments);

    static IOReturn                         method_Close(OSObject* inTarget, void* inReference, IOExternalMethodArguments* inArguments);

    static IOReturn                         method_StartHardware(OSObject* inTarget, void* inReference, IOExternalMethodArguments* inArguments);

    static IOReturn                         method_StopHardware(OSObject* inTarget, void* inReference, IOExternalMethodArguments* inArguments);

    static IOReturn                         method_SetSampleRate(OSObject* inTarget, void* inReference, IOExternalMethodArguments* inArguments);

    static IOReturn                         method_GetControlValue(OSObject* inTarget, void* inReference, IOExternalMethodArguments* inArguments);

    static IOReturn                         method_SetControlValue(OSObject* inTarget, void* inReference, IOExternalMethodArguments* inArguments);

//  Implementation

private:

    SimpleAudioDriver*                      mProvider;

    task_t                                  mTask;

    static const IOExternalMethodDispatch   sMethodTable[kSimpleAudioDriver_Method_NumberOfMethods];

};

#endif //   __SimpleAudioDriverUserClient_h__