IOHIDEventServiceQueue.h   [plain text]


/*
 *
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 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
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 * This file contains Original Code and/or Modifications of Original Code
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#ifndef _IOKIT_HID_IOHIDEVENTSERVICEQUEUE_H
#define _IOKIT_HID_IOHIDEVENTSERVICEQUEUE_H

#include <IOKit/IOSharedDataQueue.h>

class IOHIDEvent;
//---------------------------------------------------------------------------
// IOHIDEventSeviceQueue class.
//
// IOHIDEventServiceQueue is a subclass of IODataQueue.

class IOHIDEventServiceQueue: public IOSharedDataQueue
{
    OSDeclareDefaultStructors( IOHIDEventServiceQueue )
    
protected:
    IOMemoryDescriptor *    _descriptor;
    Boolean                 _state;

public:
    static IOHIDEventServiceQueue *withCapacity(UInt32 size);
    virtual void free();
    
    inline Boolean getState() { return _state; }
    inline void setState(Boolean state) { _state = state; }

    virtual Boolean enqueueEvent(IOHIDEvent * event);

    virtual IOMemoryDescriptor *getMemoryDescriptor();
    virtual void setNotificationPort(mach_port_t port);
};

#endif /* !_IOKIT_HID_IOHIDEVENTSERVICEQUEUE_H */