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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnProperty.h"
#include <XnDDKStatus.h>
#include <XnOS.h>
#include <XnCallback.h>
#include <XnLog.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnProperty::XnProperty(XnPropertyType Type, void* pValueHolder, XnUInt32 propertyId, const XnChar* strName, const XnChar* strModule) :
m_propertyId(propertyId),
m_Type(Type),
m_pSetCallback(NULL),
m_pSetCallbackCookie(NULL),
m_pGetCallback(NULL),
m_pGetCallbackCookie(NULL),
m_pValueHolder(pValueHolder),
m_LogSeverity(XN_LOG_INFO),
m_bAlwaysSet(FALSE)
{
UpdateName(strModule, strName);
}
XnProperty::~XnProperty()
{
}
void XnProperty::UpdateName(const XnChar* strModule, const XnChar* strName)
{
strncpy(m_strModule, strModule, XN_DEVICE_MAX_STRING_LENGTH);
if (m_strName != strName) {
strncpy(m_strName, strName, XN_DEVICE_MAX_STRING_LENGTH);
}
}
XnStatus XnProperty::SetValue(const void* pValue)
{
if (m_pSetCallback == NULL)
{
XN_LOG_WARNING_RETURN(XN_STATUS_DEVICE_PROPERTY_READ_ONLY, XN_MASK_DDK, "Property %s.%s is read only.", GetModule(), GetName());
}
if (m_LogSeverity != -1)
{
XnChar strValue[XN_DEVICE_MAX_STRING_LENGTH];
if (ConvertValueToString(strValue, pValue))
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Setting %s.%s to %s...", GetModule(), GetName(), strValue);
}
else
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Setting %s.%s...", GetModule(), GetName());
}
}
if (!m_bAlwaysSet && IsActual() && IsEqual(m_pValueHolder, pValue))
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "%s.%s value did not change.", GetModule(), GetName());
}
else
{
XnStatus nRetVal = CallSetCallback(m_pSetCallback, pValue, m_pSetCallbackCookie);
if (nRetVal != XN_STATUS_OK)
{
if (m_LogSeverity != -1)
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Failed setting %s.%s: %s", GetModule(), GetName(), xnGetStatusString(nRetVal));
}
return (nRetVal);
}
else
{
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "%s.%s was successfully set.", GetModule(), GetName());
}
}
return (XN_STATUS_OK);
}
XnStatus XnProperty::GetValue(void* pValue) const
{
if (m_pGetCallback == NULL)
{
XN_LOG_WARNING_RETURN(XN_STATUS_DEVICE_PROPERTY_WRITE_ONLY, XN_MASK_DDK, "Property %s.%s is write only.", GetModule(), GetName());
}
return CallGetCallback(m_pGetCallback, pValue, m_pGetCallbackCookie);
}
XnStatus XnProperty::UnsafeUpdateValue(const void* pValue /* = NULL */)
{
XnStatus nRetVal = XN_STATUS_OK;
XnBool bValueChanged = TRUE;
if (IsActual())
{
if (IsEqual(m_pValueHolder, pValue))
{
bValueChanged = FALSE;
}
else
{
// update the value
nRetVal = CopyValueImpl(m_pValueHolder, pValue);
XN_IS_STATUS_OK(nRetVal);
}
}
if (bValueChanged)
{
// print a message
if (m_LogSeverity != -1)
{
XnChar strValue[XN_DEVICE_MAX_STRING_LENGTH];
XnBool bValueString = FALSE;
if (IsActual())
{
bValueString = ConvertValueToString(strValue, pValue);
}
xnLogWrite(XN_MASK_DDK, (XnLogSeverity)m_LogSeverity, __FILE__, __LINE__, "Property %s.%s was changed%s%s.", GetModule(), GetName(),
bValueString ? " to " : "", bValueString ? strValue : "");
}
// raise the event
nRetVal = m_OnChangeEvent.Raise(this);
XN_IS_STATUS_OK(nRetVal);
}
return XN_STATUS_OK;
}
void XnProperty::UpdateSetCallback(SetFuncPtr pFunc, void* pCookie)
{
m_pSetCallback = pFunc;
m_pSetCallbackCookie = pCookie;
}
void XnProperty::UpdateGetCallback(GetFuncPtr pFunc, void* pCookie)
{
m_pGetCallback = pFunc;
m_pGetCallbackCookie = pCookie;
}
XnBool XnProperty::ConvertValueToString(XnChar* /*csValue*/, const void* /*pValue*/) const
{
return FALSE;
}
XnStatus XnProperty::ChangeEvent::Raise(const XnProperty* pSender)
{
XnStatus nRetVal = XN_STATUS_OK;
xnl::AutoCSLocker locker(m_hLock);
ApplyListChanges();
for (CallbackPtrList::ConstIterator it = m_callbacks.Begin(); it != m_callbacks.End(); ++it)
{
Callback* pCallback = *it;
nRetVal = pCallback->pFunc(pSender, pCallback->pCookie);
if (nRetVal != XN_STATUS_OK)
{
break;
}
}
ApplyListChanges();
return (nRetVal);
}
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