/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. 
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */


#include "GHOST_NDOFManager.h"
//#include "GHOST_WindowWin32.h"


// the variable is outside the class because it must be accessed from plugin
static volatile GHOST_TEventNDOFData currentNdofValues = {0,0,0,0,0,0,0,0,0,0,0};

namespace
{
    GHOST_NDOFLibraryInit_fp ndofLibraryInit = 0;
    GHOST_NDOFLibraryShutdown_fp ndofLibraryShutdown = 0;
    GHOST_NDOFDeviceOpen_fp ndofDeviceOpen = 0;
//    GHOST_NDOFEventHandler_fp ndofEventHandler = 0;
    
    
}


//typedef enum SpwRetVal (WINAPI *PFNSI_INIT) (void);

GHOST_NDOFManager::GHOST_NDOFManager()
{
    m_DeviceHandle = 0;

    // discover the API from the plugin
    ndofLibraryInit = 0;
    ndofLibraryShutdown = 0;
    ndofDeviceOpen = 0;
 //   ndofEventHandler = 0;
}

GHOST_NDOFManager::~GHOST_NDOFManager()
{
    if (ndofLibraryShutdown)
        ndofLibraryShutdown(m_DeviceHandle);

    m_DeviceHandle = 0;
}


void
GHOST_NDOFManager::deviceOpen(GHOST_IWindow* window,
        GHOST_NDOFLibraryInit_fp setNdofLibraryInit, 
        GHOST_NDOFLibraryShutdown_fp setNdofLibraryShutdown,
        GHOST_NDOFDeviceOpen_fp setNdofDeviceOpen)
//        GHOST_NDOFEventHandler_fp setNdofEventHandler)
{
    ndofLibraryInit = setNdofLibraryInit;
    ndofLibraryShutdown = setNdofLibraryShutdown;
    ndofDeviceOpen = setNdofDeviceOpen;
//	 original patch    
//    ndofEventHandler = setNdofEventHandler;

    if (ndofLibraryInit  && ndofDeviceOpen)
    {
       printf("%i client \n", ndofLibraryInit());
		m_DeviceHandle = ndofDeviceOpen((void *)&currentNdofValues);    
	}
    
    
/*
    if (ndofDeviceOpen)
    {
        GHOST_WindowWin32* win32 = (GHOST_WindowWin32*) window; // GHOST_IWindow doesn't have RTTI...
        if (win32 != 0)
        {
            m_DeviceHandle = ndofDeviceOpen(win32->getHWND());
        }
    }
    */
}


/** original patch only */
/*  
GHOST_TEventNDOFData*
GHOST_NDOFManager::handle(unsigned int message, unsigned int* wParam, unsigned long* lParam)
{
    static GHOST_TEventNDOFData sbdata;
    int handled = 0;
    if (ndofEventHandler && m_DeviceHandle != 0)
    {
        handled = ndofEventHandler(&sbdata.tx, m_DeviceHandle, message, wParam, lParam);
    }
    printf("handled %i\n", handled);
    return handled ? &sbdata : 0;
}
*/

bool 
GHOST_NDOFManager::available() 
{ 
    return m_DeviceHandle != 0; 
}

bool 
GHOST_NDOFManager::event_present() 
{ 
    if( currentNdofValues.changed >0) {
   			printf("time %llu but%u x%i y%i z%i rx%i ry%i rz%i \n"	, 			
   						currentNdofValues.time,		currentNdofValues.buttons,
   						currentNdofValues.tx,currentNdofValues.ty,currentNdofValues.tz,
   						currentNdofValues.rx,currentNdofValues.ry,currentNdofValues.rz);
    	return true;
	}else
	return false;

}

void        GHOST_NDOFManager::GHOST_NDOFGetDatas(GHOST_TEventNDOFData &datas)
{
		datas.tx = currentNdofValues.tx;
		datas.ty = currentNdofValues.ty;
		datas.tz = currentNdofValues.tz;
		datas.rx = currentNdofValues.rx;
		datas.ry = currentNdofValues.ry;
		datas.rz = currentNdofValues.rz;
		datas.buttons = currentNdofValues.buttons;
		datas.client = currentNdofValues.client;
		datas.address = currentNdofValues.address;
		datas.time = currentNdofValues.time;
		datas.delta = currentNdofValues.delta;

}

/*
//#ifdef
OSStatus GHOST_SystemCarbon::blendEventHandlerProc(EventHandlerCallRef handler, EventRef event, void* userData)
{
}

*/