Differential D29024 Diff 80700 backends/kwayland/wayland_interface.h

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backends/kwayland/wayland_interface.h

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		1		/*************************************************************************
		2		Copyright © 2020 Roman Gilg <subdiff@gmail.com>
		3
		4		This library is free software; you can redistribute it and/or
		5		modify it under the terms of the GNU Lesser General Public
		6		License as published by the Free Software Foundation; either
		7		version 2.1 of the License, or (at your option) any later version.
		8
		9		This library 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 GNU
		12		Lesser General Public License for more details.
		13
		14		You should have received a copy of the GNU Lesser General Public
		15		License along with this library; if not, write to the Free Software
		16		Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
		17		**************************************************************************/
		18		#pragma once
		19
		20		#include "config.h"
		21
		22		#include <QEventLoop>
		23		#include <QObject>
		24		#include <QVector>
		25
		26		class QThread;
		27
		28		namespace KScreen
		29		{
		30		class Output;
		31		class WaylandOutput;
		32		class WaylandScreen;
		33
		34		class WaylandInterface : public QObject
		35		{
		36		Q_OBJECT
		37
		38		public:
		39		~WaylandInterface() override;
		40
		41		virtual void initConnection(QThread *thread) = 0;
		42		virtual bool isInitialized() const;
		43
		44		// Compositor side names as keys
		45		virtual QMap<int, WaylandOutput*> outputMap() const = 0;
		46
		47		virtual void applyConfig(const KScreen::ConfigPtr &newConfig);
		48		virtual void updateConfig(KScreen::ConfigPtr &config) = 0;
		49
		50		Q_SIGNALS:
		51		void configChanged();
		52		void initialized();
		53		void connectionFailed(const QString &socketName);
		54		void outputsChanged();
		55
		56		protected:
		57		explicit WaylandInterface(QObject *parent = nullptr);
		58
		59		virtual void insertOutput(WaylandOutput *output) = 0;
		60		virtual WaylandOutput* takeOutput(WaylandOutput *output) = 0;
		61
		62		bool signalsBlocked() const;
		63		void blockSignals();
		64		void unblockSignals();
		65
		66		void checkInitialized();
		67
		68		void addOutput(WaylandOutput *output);
		69		virtual void handleDisconnect();
		70
		71		private:
		72		void removeOutput(WaylandOutput *output);
		73
		74		/**
		75		* Finalize: when the output is is initialized, we put it in the known outputs map,
		76		* remove it from the list of initializing outputs, and emit configChanged().
		77		*/
		78		virtual void initOutput(WaylandOutput *output);
		79
		80		void tryPendingConfig();
		81
		82		// Compositor side names
		83		QList<WaylandOutput*> m_initializingOutputs;
		84		int m_lastOutputId = -1;
		85
		86		bool m_blockSignals;
		87		KScreen::ConfigPtr m_kscreenConfig;
		88		WaylandScreen *m_screen;
		89		};
		90
		91		class WaylandFactory : public QObject
		92		{
		93		Q_OBJECT
		94		public:
		95		WaylandFactory(QObject *parent = nullptr) : QObject(parent) {}
		96		~WaylandFactory() override = default;
		97
		98		virtual WaylandInterface* createInterface(QObject *parent = nullptr) = 0;
		99		};
		100
		101		}
		102
		103		Q_DECLARE_INTERFACE(KScreen::WaylandFactory, "org.kde.libkscreen.waylandinterface")