/*
 * Copyright 2008-2011 Michael Lotz <mmlr@mlotz.ch>
 * Distributed under the terms of the MIT license.
 */
#ifndef USB_JOYSTICK_PROTOCOL_HANDLER_H
#define USB_JOYSTICK_PROTOCOL_HANDLER_H


#include <InterfaceDefs.h>

#include "ProtocolHandler.h"

#include <joystick_driver.h>
#include <lock.h>


class HIDCollection;
class HIDReportItem;


class JoystickProtocolHandler : public ProtocolHandler {
public:
                                                                        JoystickProtocolHandler(HIDReport &report);
        virtual                                                 ~JoystickProtocolHandler();

        static  void                                    AddHandlers(HIDDevice &device,
                                                                                HIDCollection &collection,
                                                                                ProtocolHandler *&handlerList);

        virtual status_t                                Open(uint32 flags, uint32 *cookie);
        virtual status_t                                Close(uint32 *cookie);

        virtual status_t                                Read(uint32 *cookie, off_t position,
                                                                                void *buffer, size_t *numBytes);
        virtual status_t                                Write(uint32 *cookie, off_t position,
                                                                                const void *buffer, size_t *numBytes);

        virtual status_t                                Control(uint32 *cookie, uint32 op,
                                                                                void *buffer, size_t length);

private:
        static  int32                                   _UpdateThread(void *data);
                        status_t                                _Update();

                        HIDReport &                             fReport;

                        uint32                                  fAxisCount;
                        HIDReportItem **                fAxis;
                        uint32                                  fHatCount;
                        HIDReportItem **                fHats;
                        uint32                                  fButtonCount;
                        uint32                                  fMaxButton;
                        HIDReportItem **                fButtons;

                        joystick_module_info    fJoystickModuleInfo;
                        variable_joystick               fCurrentValues;

                        uint32                                  fOpenCount;
                        mutex                                   fUpdateLock;
                        thread_id                               fUpdateThread;
};

#endif // USB_JOYSTICK_PROTOCOL_HANDLER_H