80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file genericAsyncTask.h
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* @author drose
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* @date 2008-09-16
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*/
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#ifndef GENERICASYNCTASK_H
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#define GENERICASYNCTASK_H
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#include "pandabase.h"
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#include "asyncTask.h"
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/**
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* Associates a generic C-style function pointer with an AsyncTask object.
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* You can use this when you want to create an AsyncTask without having to
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* subclass.
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*/
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class EXPCL_PANDA_EVENT GenericAsyncTask : public AsyncTask {
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public:
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typedef DoneStatus TaskFunc(GenericAsyncTask *task, void *user_data);
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typedef void BirthFunc(GenericAsyncTask *task, void *user_data);
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typedef void DeathFunc(GenericAsyncTask *task, bool clean_exit, void *user_data);
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GenericAsyncTask(const std::string &name = std::string());
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GenericAsyncTask(const std::string &name, TaskFunc *function, void *user_data);
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ALLOC_DELETED_CHAIN(GenericAsyncTask);
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INLINE void set_function(TaskFunc *function);
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INLINE TaskFunc *get_function() const;
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INLINE void set_upon_birth(BirthFunc *function);
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INLINE BirthFunc *get_upon_birth() const;
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INLINE void set_upon_death(DeathFunc *function);
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INLINE DeathFunc *get_upon_death() const;
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INLINE void set_user_data(void *user_data);
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INLINE void *get_user_data() const;
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protected:
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virtual bool is_runnable();
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virtual DoneStatus do_task();
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virtual void upon_birth(AsyncTaskManager *manager);
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virtual void upon_death(AsyncTaskManager *manager, bool clean_exit);
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private:
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TaskFunc *_function;
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BirthFunc *_upon_birth;
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DeathFunc *_upon_death;
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void *_user_data;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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AsyncTask::init_type();
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register_type(_type_handle, "GenericAsyncTask",
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AsyncTask::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "genericAsyncTask.I"
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#endif
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