historical/toontown-classic.git/panda/include/genericAsyncTask.h

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