Panda3D
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00001 // Filename: asyncTaskBase.h 00002 // Created by: drose (09Feb10) 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 ASYNCTASKBASE_H 00016 #define ASYNCTASKBASE_H 00017 00018 #include "pandabase.h" 00019 00020 #include "typedReferenceCount.h" 00021 #include "namable.h" 00022 00023 class Thread; 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : AsyncTaskBase 00027 // Description : The abstract base class for AsyncTask. This is 00028 // defined here only so we can store a pointer to the 00029 // current task on the Thread. 00030 //////////////////////////////////////////////////////////////////// 00031 class EXPCL_PANDA_PIPELINE AsyncTaskBase : public TypedReferenceCount, public Namable { 00032 protected: 00033 AsyncTaskBase(); 00034 public: 00035 ALLOC_DELETED_CHAIN(AsyncTaskBase); 00036 00037 PUBLISHED: 00038 virtual ~AsyncTaskBase(); 00039 00040 protected: 00041 void record_task(Thread *current_thread); 00042 void clear_task(Thread *current_thread); 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, "AsyncTaskBase", 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 #include "asyncTaskBase.I" 00063 00064 #endif