Differential D29024 Diff 82265 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 <kscreen/config.h>
		21
		22		#include "kscreen_wayland_export.h"
		23
		24		#include <QEventLoop>
		25		#include <QObject>
		26		#include <QVector>
		27
		28		class QThread;
		29
		30		namespace KScreen
		31		{
		32		class Output;
		33		class WaylandOutput;
		34		class WaylandScreen;
		35
		36		class KSCREEN_WAYLAND_EXPORT WaylandInterface : public QObject
		37		{
		38		Q_OBJECT
		39
		40		public:
		41		~WaylandInterface() override;
		42
		43		virtual void initConnection(QThread *thread) = 0;
		44		virtual bool isInitialized() const;
		45
		46		// Compositor side names as keys
		47		virtual QMap<int, WaylandOutput*> outputMap() const = 0;
		48
		49		virtual void applyConfig(const KScreen::ConfigPtr &newConfig);
		50		virtual void updateConfig(KScreen::ConfigPtr &config) = 0;
		51
		52		Q_SIGNALS:
		53		void configChanged();
		54		void initialized();
		55		void connectionFailed(const QString &socketName);
		56		void outputsChanged();
		57
		58		protected:
		59		explicit WaylandInterface(QObject *parent = nullptr);
		60
		61		virtual void insertOutput(WaylandOutput *output) = 0;
		62		virtual WaylandOutput* takeOutput(WaylandOutput *output) = 0;
		63
		64		bool signalsBlocked() const;
		65		void blockSignals();
		66		void unblockSignals();
		67
		68		void checkInitialized();
		69
		70		void addOutput(WaylandOutput *output);
		71		virtual void handleDisconnect();
		72
		73		private:
		74		void removeOutput(WaylandOutput *output);
		75
		76		/**
		77		* Finalize: when the output is is initialized, we put it in the known outputs map,
		78		* remove it from the list of initializing outputs, and emit configChanged().
		79		*/
		80		virtual void initOutput(WaylandOutput *output);
		81
		82		void tryPendingConfig();
		83
		84		// Compositor side names
		85		QList<WaylandOutput*> m_initializingOutputs;
		86		int m_lastOutputId = -1;
		87
		88		bool m_blockSignals;
		89		KScreen::ConfigPtr m_kscreenConfig;
		90		WaylandScreen *m_screen;
		91		};
		92
		93		class KSCREEN_EXPORT WaylandFactory : public QObject
		94		{
		95		Q_OBJECT
		96		public:
		97		WaylandFactory(QObject *parent = nullptr) : QObject(parent) {}
		98		~WaylandFactory() override = default;
		99
		100		virtual WaylandInterface* createInterface(QObject *parent = nullptr) = 0;
		101		};
		102
		103		}
		104
		105		Q_DECLARE_INTERFACE(KScreen::WaylandFactory, "org.kde.libkscreen.waylandinterface")