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/*
* mainloop.h
* Copyright 2014 John Lindgren
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions, and the following disclaimer in the documentation
* provided with the distribution.
*
* This software is provided "as is" and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising from
* the use of this software.
*/
/* Main loop abstraction layer which can use either GLib or Qt as a backend.
* The API is completely thread-safe and can thus be used as a means to call
* back into the main thread from a worker thread. */
#ifndef LIBAUDCORE_MAINLOOP_H
#define LIBAUDCORE_MAINLOOP_H
struct QueuedFuncHelper;
struct QueuedFuncParams;
class QueuedFunc
{
friend struct QueuedFuncHelper;
public:
typedef void (* Func) (void * data);
// one-time idle callback
void queue (Func func, void * data);
// one-time delayed callback
void queue (int delay_ms, Func func, void * data);
// periodic timer callback
void start (int interval_ms, Func func, void * data);
// stops any type of callback
// note that queue() and start() also stop any previous callback
void stop ();
// true if a periodic timer is running
// does not apply to one-time callbacks
bool running () const
{ return _running; }
constexpr QueuedFunc () = default;
QueuedFunc (const QueuedFunc &) = delete;
void operator= (const QueuedFunc &) = delete;
~QueuedFunc ()
{ stop (); }
private:
bool _running = false;
void start (const QueuedFuncParams & params);
};
void mainloop_run ();
void mainloop_quit ();
#endif // LIBAUDCORE_MAINLOOP_H
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