Add support for callbacks

common/cbdata.hpp

@@ -0,0 +1,70 @@
+#ifndef _COMMON_CALLBACKDATA_HPP_
+#define _COMMON_CALLBACKDATA_HPP_
+#ifndef _COMMON_WINDOWS_HPP_
+#include <common/windows.hpp>
+#endif
+
+template<class T>
+class CallbackData
+{
+public:
+  typedef LONG ReturnType;
+  CallbackData(void);
+	CallbackData(T &data);
+  CallbackData(const CallbackData &someCallbackData);
+	virtual ~CallbackData();
+	CallbackData &operator=(const CallbackData &someCallbackData);
+	T &getData(void);
+	void setData(T &data);
+private:
+  SmartPointer<T> mData;
+};
+
+template<class T>
+inline
+CallbackData<T>::CallbackData(void)
+{
+}
+
+template<class T>
+inline
+CallbackData<T>::CallbackData(T &data)
+{
+	mData=&data;
+}
+
+template <class T>
+inline
+CallbackData<T>::CallbackData(const CallbackData &someCallbackData)
+{
+  *this=someCallbackData;
+}
+
+template <class T>
+inline
+CallbackData<T>::~CallbackData()
+{
+}
+
+template <class T>
+inline
+CallbackData<T> &CallbackData<T>::operator=(const CallbackData<T> &someCallbackData)
+{
+	mData = someCallbackData.mData;
+	return *this;
+}
+
+template <class T>
+inline
+T &CallbackData<T>::getData(void)
+{
+	return *mData;
+}
+
+template <class T>
+inline
+void CallbackData<T>::setData(T &data)
+{
+  mData=&data;
+}
+#endif