80 lines
2.1 KiB
C++
80 lines
2.1 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) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "core/single_timer.h"
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#include "application.h"
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SingleTimer::SingleTimer() {
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QTimer::setSingleShot(true);
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if (App::app()) {
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connect(App::app(), SIGNAL(adjustSingleTimers()), this, SLOT(adjust()));
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_inited = true;
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}
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}
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void SingleTimer::setTimeoutHandler(base::lambda_unique<void()> &&handler) {
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if (_handler && !handler) {
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disconnect(this, SIGNAL(timeout()), this, SLOT(onTimeout()));
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} else if (handler && !_handler) {
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connect(this, SIGNAL(timeout()), this, SLOT(onTimeout()));
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}
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_handler = std_::move(handler);
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}
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void SingleTimer::adjust() {
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uint64 n = getms(true);
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if (isActive()) {
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if (n >= _finishing) {
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start(0);
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} else {
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start(_finishing - n);
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}
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}
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}
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void SingleTimer::onTimeout() {
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if (_handler) {
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_handler();
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}
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}
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void SingleTimer::start(int msec) {
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_finishing = getms(true) + (msec < 0 ? 0 : uint64(msec));
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if (!_inited && App::app()) {
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connect(App::app(), SIGNAL(adjustSingleTimers()), this, SLOT(adjust()));
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_inited = true;
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}
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QTimer::start(msec);
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}
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void SingleTimer::startIfNotActive(int msec) {
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if (isActive()) {
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int remains = remainingTime();
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if (remains > msec) {
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start(msec);
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} else if (!remains) {
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start(1);
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}
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} else {
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start(msec);
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}
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}
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