Differential D12856 Diff 34607 core/app/utils/groupingviewimplementation.h

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core/app/utils/groupingviewimplementation.h

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		1		/* ============================================================
		2		*
		3		* This file is a part of digiKam project
		4		* http://www.digikam.org
		5		*
		6		* Date : 2017-11-02
		7		* Description : Implementation of grouping specific functions for views
		8		*
		9		* Copyright (C) 2017 by Simon Frei <freisim93 at gmail dot com>
		10		*
		11		* This program is free software; you can redistribute it
		12		* and/or modify it under the terms of the GNU General
		13		* Public License as published by the Free Software Foundation;
		14		* either version 2, or (at your option)
		15		* any later version.
		16		*
		17		* This program is distributed in the hope that it will be useful,
		18		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		19		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		20		* GNU General Public License for more details.
		21		*
		22		* ============================================================ */
		23
		24		#ifndef VIEWGROUPINGIMPLEMENTATION_H
		25		#define VIEWGROUPINGIMPLEMENTATION_H
		26
		27		// Local includes
		28
		29		#include "applicationsettings.h"
		30		#include "digikam_export.h"
		31
		32		namespace Digikam
		33		{
		34
		35		class ImageInfo;
		36		class ImageInfoList;
		37
		38		class DIGIKAM_EXPORT GroupingViewImplementation
		39		{
		40		public:
		41
		42		virtual ~GroupingViewImplementation() {}
		43
		44		// must be implemented by parent view
		45		virtual bool hasHiddenGroupedImages(const ImageInfo&) const {return false;}
		46
		47		bool needGroupResolving(ApplicationSettings::OperationType type,
		48		const ImageInfoList& infos) const;
		49		ImageInfoList resolveGrouping(const ImageInfoList& infos) const;
		50		ImageInfoList getHiddenGroupedInfos(const ImageInfoList& infos) const;
		51		};
		52
		53		} // namespace Digikam
		54
		55		#endif /* VIEWGROUPINGIMPLEMENTATION_H */