Differential D10972 Diff 29510 lib/mpris2/lockscreenwatcher.h

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lib/mpris2/lockscreenwatcher.h

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		1		/*
		2		Gwenview: an image viewer
		3		Copyright 2018 Friedrich W. H. Kossebau <kossebau@kde.org>
		4
		5		This program is free software; you can redistribute it and/or
		6		modify it under the terms of the GNU General Public License
		7		as published by the Free Software Foundation; either version 2
		8		of the License, or (at your option) any later version.
		9
		10		This program is distributed in the hope that it will be useful,
		11		but WITHOUT ANY WARRANTY; without even the implied warranty of
		12		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		13		GNU General Public License for more details.
		14
		15		You should have received a copy of the GNU General Public License
		16		along with this program; if not, write to the Free Software
		17		Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
		18		*/
		19
		20		#ifndef LOCKSCREENWATCHER_H
		21		#define LOCKSCREENWATCHER_H
		22
		23		// Qt
		24		#include <QObject>
		25
		26		class OrgFreedesktopScreenSaverInterface;
		27		class QDBusPendingCallWatcher;
		28
		29		namespace Gwenview
		30		{
		31
		32		class LockScreenWatcher : public QObject
		33		{
		34		Q_OBJECT
		35
		36		public:
		37		explicit LockScreenWatcher(QObject *parent);
		38		~LockScreenWatcher() override;
		39
		40		public:
		41		bool isLocked() const;
		42
		43		Q_SIGNALS:
		44		void isLockedChanged(bool locked);
		45
		46		private:
		47		void onScreenSaverActiveChanged(bool isActive);
		48		void onActiveQueried(QDBusPendingCallWatcher *watcher);
		49		void onScreenSaverServiceOwnerChanged(const QString &serviceName,
		50		const QString &oldOwner, const QString &newOwner);
		51		void onServiceRegisteredQueried();
		52		void onServiceOwnerQueried();
		53
		54		private:
		55		OrgFreedesktopScreenSaverInterface *mScreenSaverInterface;
		56		bool mLocked;
		57		};
		58
		59		}
		60
		61		#endif