Differential D29024 Diff 80695 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		enum class Type {
		40		KWayland = 0,
		41		};
		42
		43		~WaylandInterface() override;
		44
		45		virtual void initConnection(QThread *thread) = 0;
		46		virtual bool isInitialized() const;
		47
		48		// Compositor side names as keys
		49		virtual QMap<int, WaylandOutput*> outputMap() const = 0;
		50
		51		virtual void applyConfig(const KScreen::ConfigPtr &newConfig);
		52		virtual void updateConfig(KScreen::ConfigPtr &config) = 0;
		53
		54		Q_SIGNALS:
		55		void configChanged();
		56		void initialized();
		57		void connectionFailed(const QString &socketName);
		58		void outputsChanged();
		59
		60		protected:
		61		explicit WaylandInterface(QObject *parent = nullptr);
		62
		63		virtual void insertOutput(WaylandOutput *output) = 0;
		64		virtual WaylandOutput* takeOutput(WaylandOutput *output) = 0;
		65
		66		bool signalsBlocked() const;
		67		void blockSignals();
		68		void unblockSignals();
		69
		70		void checkInitialized();
		71
		72		void addOutput(WaylandOutput *output);
		73		virtual void handleDisconnect();
		74
		75		private:
		76		void removeOutput(WaylandOutput *output);
		77
		78		/**
		79		* Finalize: when the output is is initialized, we put it in the known outputs map,
		80		* remove it from the list of initializing outputs, and emit configChanged().
		81		*/
		82		virtual void initOutput(WaylandOutput *output);
		83
		84		void tryPendingConfig();
		85
		86		// Compositor side names
		87		QList<WaylandOutput*> m_initializingOutputs;
		88		int m_lastOutputId = -1;
		89
		90		bool m_blockSignals;
		91		KScreen::ConfigPtr m_kscreenConfig;
		92		WaylandScreen *m_screen;
		93		};
		94
		95		class WaylandFactory : public QObject
		96		{
		97		Q_OBJECT
		98		public:
		99		WaylandFactory(QObject *parent = nullptr) : QObject(parent) {}
		100		~WaylandFactory() override = default;
		101
		102		virtual WaylandInterface* createInterface(QObject *parent = nullptr) = 0;
		103		};
		104
		105		}
		106
		107		Q_DECLARE_INTERFACE(KScreen::WaylandFactory, "org.kde.libkscreen.waylandinterface")