c207743338
Now base::lambda can be copied and can wrap any immutable lambda. For mutable lambdas there is base::lambda_once (which you're supposed to call only once to pass data through lambda captures, for example by using std::unique_ptr). Generally base::lambda is passed by value and base::lambda_once is passed by rvalue reference.
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "core/basic_types.h"
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class SingleTimer : public QTimer { // single shot timer with check
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Q_OBJECT
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public:
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SingleTimer(QObject *parent = nullptr);
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void setSingleShot(bool); // is not available
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void start(); // is not available
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void setTimeoutHandler(base::lambda<void()> handler);
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public slots:
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void start(int msec);
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void startIfNotActive(int msec);
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private slots:
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void adjust();
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void onTimeout();
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private:
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TimeMs _finishing = 0;
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base::lambda<void()> _handler;
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};
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