Differential D25962 Diff 72985 colorcorrection/clockskewnotifier.cpp

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colorcorrection/clockskewnotifier.cpp

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		1		/*
		2		* Copyright (C) 2019 Vlad Zahorodnii <vladzzag@gmail.com>
		3		*
		4		* This program is free software; you can redistribute it and/or modify
		5		* it under the terms of the GNU General Public License as published by
		6		* the Free Software Foundation; either version 2 of the License, or
		7		* (at your option) any later version.
		8		*
		9		* This program is distributed in the hope that it will be useful,
		10		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		11		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		12		* GNU General Public License for more details.
		13		*
		14		* You should have received a copy of the GNU General Public License along
		15		* with this program; if not, write to the Free Software Foundation, Inc.,
		16		* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
		17		*/
		18
		19		#include "clockskewnotifier.h"
		20		#include "clockskewnotifierengine_p.h"
		21
		22		namespace KWin
		23		{
		24
		25		class ClockSkewNotifier::Private
		26		{
		27		public:
		28		void loadNotifierEngine();
		29		void unloadNotifierEngine();
		30
		31		ClockSkewNotifier *notifier = nullptr;
		32		ClockSkewNotifierEngine *engine = nullptr;
		33		bool isActive = false;
		34		};
		35
		36		void ClockSkewNotifier::Private::loadNotifierEngine()
		37		{
		38		engine = ClockSkewNotifierEngine::create(notifier);
		39
		40		if (engine) {
		41		QObject::connect(engine, &ClockSkewNotifierEngine::clockSkewed, notifier, &ClockSkewNotifier::clockSkewed);
		42		}
		43		}
		44
		45		void ClockSkewNotifier::Private::unloadNotifierEngine()
		46		{
		47		if (!engine) {
		48		return;
		49		}
		50
		51		QObject::disconnect(engine, &ClockSkewNotifierEngine::clockSkewed, notifier, &ClockSkewNotifier::clockSkewed);
		52		engine->deleteLater();
		53
		54		engine = nullptr;
		55		}
		56
		57		ClockSkewNotifier::ClockSkewNotifier(QObject *parent)
		58		: QObject(parent)
		59		, d(new Private)
		60		{
		61		d->notifier = this;
		62		}
		63
		64		ClockSkewNotifier::~ClockSkewNotifier()
		65		{
		66		}
		67
		68		bool ClockSkewNotifier::isActive() const
		69		{
		70		return d->isActive;
		71		}
		72
		73		void ClockSkewNotifier::setActive(bool set)
		74		{
		75		if (d->isActive == set) {
		76		return;
		77		}
		78
		79		d->isActive = set;
		80
		81		if (d->isActive) {
		82		d->loadNotifierEngine();
		83		} else {
		84		d->unloadNotifierEngine();
		85		}
		86
		87		emit activeChanged();
		88		}
		89
		90		} // namespace KWin