tdesktop/Telegram/SourceFiles/core/single_timer.h

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "core/basic_types.h"
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(base::lambda<void()> handler);
public slots:
void start(int msec);
void startIfNotActive(int msec);
private slots:
void adjust();
void onTimeout();
private:
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TimeMs _finishing = 0;
base::lambda<void()> _handler;
};