//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// It is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#pragma once

#include "core/basic_types.h"
#include "core/utils.h"
#include <base/lambda.h>

#include <QTimer>

class SingleTimer : public QTimer { // single shot timer with check
	Q_OBJECT

public:
	SingleTimer(QObject *parent = nullptr);

	void setSingleShot(bool); // is not available
	void start(); // is not available

	void setTimeoutHandler(Fn<void()> handler);

public slots:
	void start(int msec);
	void startIfNotActive(int msec);

private slots:
	void adjust();
	void onTimeout();

private:
	TimeMs _finishing = 0;
	Fn<void()> _handler;
};