00001 /********************************************************** 00002 * $Workfile: $ 00003 * $Revision: 1.2 $ 00004 * $Date: 2006/06/06 16:16:23 $ 00005 * $Author: hmd $ 00006 * $Archive: $ 00007 * 00008 * Component Comment 00009 * Copyright Notice 00010 **********************************************************/ 00011 00012 #ifndef INCLUDED_PROPERTYCALLBACKFUNCTOR_H 00013 #define INCLUDED_PROPERTYCALLBACKFUNCTOR_H 00014 00015 /**************************** 00016 * C++ DECLARATION SECTION 00017 * Base Classes Sub-section 00018 ****************************/ 00019 00020 /* Standard C++ Class Headers */ 00021 00022 /* Application C++ Class Headers */ 00023 00024 /************************************* 00025 * C++ DECLARATION SECTION 00026 * Collaborating Classes Sub-section 00027 *************************************/ 00028 00029 /* Standard C++ Class Declarations */ 00030 00031 /* Application C++ Class Declarations */ 00032 class Property; 00033 00034 00035 /******************************* 00036 * CLASS DECLARATION SECTION 00037 * Class Interface Sub-section 00038 *******************************/ 00039 00040 class PropertyCallbackFunctor { 00041 00043 /* Static Members */ 00045 00046 public: 00047 // Data and Function Members for Collaborators. 00048 // Data members 00049 static const PropertyCallbackFunctor* const nullPropertyCallbackFunctorPointer; 00051 /* Instance Members */ 00053 00054 public: 00055 00056 // Data and Function Members for Collaborators. 00057 00058 // Constructors - None, abstract base class 00059 // Destructor 00060 virtual ~PropertyCallbackFunctor() {} 00061 00062 // Operators 00063 virtual void operator() ( Property& ) const = 0; 00064 00065 virtual PropertyCallbackFunctor* clone() const = 0 ; 00066 00067 }; 00068 00069 class PropertyCallbackPointerFunctor : public PropertyCallbackFunctor { 00070 00072 /* Static Members */ 00074 00075 public: 00076 // Data and Function Members for Collaborators. 00077 00078 // Typedefs, consts, and enums 00079 typedef void ( * PtrToCallbackFunction ) ( Property& ); 00080 00082 /* Instance Members */ 00084 00085 public: 00086 // Data and Function Members for Collaborators. 00087 00088 // Constructors 00089 explicit PropertyCallbackPointerFunctor( PtrToCallbackFunction pCF ) 00090 : m_pCF( pCF ) { } 00091 // Destructor - Compiler generated version will be Ok 00092 00093 // Operators 00094 virtual void operator() ( Property& prop ) const 00095 { m_pCF( prop ); } 00096 00097 virtual PropertyCallbackPointerFunctor* clone() const 00098 { return new PropertyCallbackPointerFunctor(*this); } ; 00099 00100 private: 00101 // Data and Function Members for This Class Implementation. 00102 00103 // Data members 00104 PtrToCallbackFunction m_pCF; 00105 00106 }; 00107 00108 00109 template< class T > 00110 class PropertyCallbackMemberFunctor : public PropertyCallbackFunctor { 00111 00113 /* Static Members */ 00115 00116 public: 00117 // Data and Function Members for Collaborators. 00118 00119 // Typedefs, consts, and enums 00120 typedef void ( T::* PtrToCallbackMember ) ( Property& ); 00121 00123 /* Instance Members */ 00125 00126 public: 00127 // Data and Function Members for Collaborators. 00128 00129 // Constructors 00130 explicit PropertyCallbackMemberFunctor( PtrToCallbackMember pCM, T* instance ) 00131 : m_pCM( pCM ), m_instance( instance ) { } 00132 // Destructor - Compiler generated version will be Ok 00133 00134 // Operators 00135 virtual void operator() ( Property& prop ) const 00136 { ( m_instance->*m_pCM )( prop ); } 00137 00138 virtual PropertyCallbackMemberFunctor* clone() const 00139 { return new PropertyCallbackMemberFunctor(*this); } 00140 00141 private: 00142 // Data and Function Members for This Class Implementation. 00143 00144 // Data members 00145 PtrToCallbackMember m_pCM; 00146 T* m_instance; 00147 00148 }; 00149 00150 #endif // INCLUDED_PROPERTYCALLBACKFUNCTOR_H
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