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/****************************************************************************
* *
* PrimeSense Sensor 5.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of PrimeSense Sensor. *
* *
* PrimeSense Sensor is free software: you can redistribute it and/or modify*
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* PrimeSense Sensor 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with PrimeSense Sensor. If not, see <http://www.gnu.org/licenses/>.*
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnIntPropertySynchronizer.h"
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
class XnIntSynchronizerCookie
{
public:
XnIntSynchronizerCookie(XnIntProperty* pSource, XnIntProperty* pDestination, XnIntPropertyConvertCallback pConvertFunc) :
pSource(pSource), pDestination(pDestination), pConvertFunc(pConvertFunc)
{}
XnIntProperty* pSource;
XnIntProperty* pDestination;
XnIntPropertyConvertCallback pConvertFunc;
XnCallbackHandle hCallback;
};
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnIntPropertySynchronizer::XnIntPropertySynchronizer()
{
}
XnIntPropertySynchronizer::~XnIntPropertySynchronizer()
{
for (XnList::Iterator it = m_Cookies.begin(); it != m_Cookies.end(); ++it)
{
XnIntSynchronizerCookie* pSynchData = (XnIntSynchronizerCookie*)*it;
pSynchData->pSource->OnChangeEvent().Unregister(pSynchData->hCallback);
XN_DELETE(pSynchData);
}
}
XnStatus XN_CALLBACK_TYPE IntPropertyValueChangedCallback(const XnProperty* pSender, void* pCookie)
{
XnStatus nRetVal = XN_STATUS_OK;
// get the property current value
XnIntProperty* pIntProp = (XnIntProperty*)pSender;
XnUInt64 nNewValue;
nRetVal = pIntProp->GetValue(&nNewValue);
XN_IS_STATUS_OK(nRetVal);
XnIntSynchronizerCookie* pSynchData = (XnIntSynchronizerCookie*)pCookie;
XnUInt64 nDestValue;
// convert the value if needed
if (pSynchData->pConvertFunc != NULL)
{
nRetVal = pSynchData->pConvertFunc(nNewValue, &nDestValue);
XN_IS_STATUS_OK(nRetVal);
}
else
{
nDestValue = nNewValue;
}
// now set the new value
nRetVal = pSynchData->pDestination->UnsafeUpdateValue(nDestValue);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus XnIntPropertySynchronizer::RegisterSynchronization(XnIntProperty* pSource, XnIntProperty* pDestination, XnIntPropertyConvertCallback pConvertFunc /* = NULL */)
{
XnStatus nRetVal = XN_STATUS_OK;
XnIntSynchronizerCookie* pCookie;
XN_VALIDATE_NEW(pCookie, XnIntSynchronizerCookie, pSource, pDestination, pConvertFunc);
nRetVal = m_Cookies.AddFirst(pCookie);
if (nRetVal != XN_STATUS_OK)
{
XN_DELETE(pCookie);
return (nRetVal);
}
nRetVal = pSource->OnChangeEvent().Register(IntPropertyValueChangedCallback, pCookie, &pCookie->hCallback);
if (nRetVal != XN_STATUS_OK)
{
XN_DELETE(pCookie);
m_Cookies.Remove(m_Cookies.begin());
return (nRetVal);
}
return (XN_STATUS_OK);
}
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