Differential D20265 Diff 57643 libnotificationmanager/notificationgroupcollapsingproxymodel_p.h

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libnotificationmanager/notificationgroupcollapsingproxymodel_p.h

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		1		/*
		2		* Copyright 2019 Kai Uwe Broulik <kde@privat.broulik.de>
		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) version 3, or any
		8		* later version accepted by the membership of KDE e.V. (or its
		9		* successor approved by the membership of KDE e.V.), which shall
		10		* act as a proxy defined in Section 6 of version 3 of the license.
		11		*
		12		* This library is distributed in the hope that it will be useful,
		13		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		14		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		15		* Lesser General Public License for more details.
		16		*
		17		* You should have received a copy of the GNU Lesser General Public
		18		* License along with this library. If not, see <http://www.gnu.org/licenses/>.
		19		*/
		20
		21		#pragma once
		22
		23		#include <QSortFilterProxyModel>
		24		#include <QDateTime>
		25
		26		namespace NotificationManager {
		27
		28		class NotificationGroupCollapsingProxyModel : public QSortFilterProxyModel
		29		{
		30		Q_OBJECT
		31
		32		public:
		33		explicit NotificationGroupCollapsingProxyModel(QObject *parent = nullptr);
		34		~NotificationGroupCollapsingProxyModel() override;
		35
		36		void setSourceModel(QAbstractItemModel *sourceModel) override;
		37
		38		QVariant data(const QModelIndex &index, int role) const override;
		39		bool setData(const QModelIndex &index, const QVariant &value, int role) override;
		40
		41		int limit() const;
		42		void setLimit(int limit);
		43
		44		QDateTime lastRead() const;
		45		void setLastRead(const QDateTime &lastRead);
		46
		47		bool expandUnread() const;
		48		void setExpandUnread(bool expand);
		49
		50		void collapseAll();
		51
		52		signals:
		53		void limitChanged();
		54		void lastReadChanged();
		55		void expandUnreadChanged();
		56
		57		protected:
		58		bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override;
		59
		60		private:
		61		bool setGroupExpanded(const QModelIndex &idx, bool expanded);
		62
		63		void invalidateGroupRoles();
		64
		65		int m_limit;
		66		QDateTime m_lastRead;
		67		bool m_expandUnread = false;
		68
		69		QList<QPersistentModelIndex> m_expandedGroups;
		70
		71		};
		72
		73		} // namespace NotificationManager