Differential D28141 Diff 79072 sensors/SensorTreeModel.h

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sensors/SensorTreeModel.h

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		1		/*
		2		Copyright (c) 2019 Eike Hein <hein@kde.org>
		3		Copyright (C) 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
		4
		5		This library is free software; you can redistribute it and/or
		6		modify it under the terms of the GNU Library General Public
		7		License as published by the Free Software Foundation; either
		8		version 2 of the License, or (at your option) any later version.
		9
		10		This library 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 GNU
		13		Library General Public License for more details.
		14
		15		You should have received a copy of the GNU Library General Public License
		16		along with this library; see the file COPYING.LIB. If not, write to
		17		the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
		18		Boston, MA 02110-1301, USA.
		19		*/
		20
		21		#pragma once
		22
		23		#include <memory>
		24		#include <QAbstractItemModel>
		25		#include "sensors_export.h"
		26
		27		namespace KSysGuard
		28		{
		29
		30		class SensorInfo;
		31
		32		/**
		33		* A model representing a tree of sensors that are available from the daemon.
		34		*
		35		* This model exposes the daemon's sensors as a tree, based on their path. Each
		36		* sensor is assumed to be structured in a format similar to
		37		* `category/object/sensor`. This model will then expose a tree, with `category`
		38		* as top level, `object` below it and finally `sensor` itself.
		39		*/
		40		class SENSORS_EXPORT SensorTreeModel : public QAbstractItemModel
		41		{
		42		Q_OBJECT
		43
		44		public:
		45		enum AdditionalRoles {
		46		SensorId = Qt::UserRole + 1,
		47		};
		48		Q_ENUM(AdditionalRoles)
		49
		50		explicit SensorTreeModel(QObject *parent = nullptr);
		51		virtual ~SensorTreeModel();
		52
		53		QHash<int, QByteArray> roleNames() const override;
		54		QVariant headerData(int section, Qt::Orientation, int role) const override;
		55		QStringList mimeTypes() const override;
		56
		57		QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
		58		QMimeData *mimeData(const QModelIndexList &indexes) const override;
		59
		60		Qt::ItemFlags flags(const QModelIndex &index) const override;
		61
		62		int rowCount(const QModelIndex &parent = QModelIndex()) const override;
		63		int columnCount(const QModelIndex &parent = QModelIndex()) const override;
		64
		65		QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
		66		QModelIndex parent(const QModelIndex &index) const override;
		67
		68
		69		private:
		70		void init();
		71		void onSensorAdded(const QString &sensor);
		72		void onSensorRemoved(const QString &sensor);
		73		void onMetaDataChanged(const QString &sensorId, const SensorInfo &info);
		74
		75		class Private;
		76		const std::unique_ptr<Private> d;
		77		};
		78
		79		}