Panda3D
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00001 // Filename: callbackObject.h 00002 // Created by: drose (13Mar09) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef CALLBACKOBJECT_H 00016 #define CALLBACKOBJECT_H 00017 00018 #include "pandabase.h" 00019 #include "typedReferenceCount.h" 00020 00021 class CallbackData; 00022 00023 //////////////////////////////////////////////////////////////////// 00024 // Class : CallbackObject 00025 // Description : This is a generic object that can be assigned to a 00026 // callback at various points in the rendering process. 00027 // This is actually a base class for a handful of 00028 // specialized callback object types. You can also 00029 // subclass it yourself to make your own callback 00030 // handler. 00031 //////////////////////////////////////////////////////////////////// 00032 class EXPCL_PANDA_PUTIL CallbackObject : public TypedReferenceCount { 00033 protected: 00034 INLINE CallbackObject(); 00035 public: 00036 ALLOC_DELETED_CHAIN(CallbackObject); 00037 00038 PUBLISHED: 00039 virtual void output(ostream &out) const; 00040 00041 public: 00042 virtual void do_callback(CallbackData *cbdata); 00043 00044 public: 00045 static TypeHandle get_class_type() { 00046 return _type_handle; 00047 } 00048 static void init_type() { 00049 TypedReferenceCount::init_type(); 00050 register_type(_type_handle, "CallbackObject", 00051 TypedReferenceCount::get_class_type()); 00052 } 00053 virtual TypeHandle get_type() const { 00054 return get_class_type(); 00055 } 00056 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00057 00058 private: 00059 static TypeHandle _type_handle; 00060 }; 00061 00062 inline ostream &operator << (ostream &out, const CallbackObject &cbo) { 00063 cbo.output(out); 00064 return out; 00065 } 00066 00067 #include "callbackObject.I" 00068 00069 #endif