File indexing completed on 2024-05-12 04:19:48

0001 // vim: set tabstop=4 shiftwidth=4 expandtab:
0002 /*
0003 Gwenview: an image viewer
0004 Copyright 2008 Aurélien Gâteau <agateau@kde.org>
0005 
0006 This program is free software; you can redistribute it and/or
0007 modify it under the terms of the GNU General Public License
0008 as published by the Free Software Foundation; either version 2
0009 of the License, or (at your option) any later version.
0010 
0011 This program is distributed in the hope that it will be useful,
0012 but WITHOUT ANY WARRANTY; without even the implied warranty of
0013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014 GNU General Public License for more details.
0015 
0016 You should have received a copy of the GNU General Public License
0017 along with this program; if not, write to the Free Software
0018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
0019 
0020 */
0021 #ifndef FAKESEMANTICINFOBACKEND_H
0022 #define FAKESEMANTICINFOBACKEND_H
0023 
0024 #include <lib/gwenviewlib_export.h>
0025 
0026 // Qt
0027 #include <QHash>
0028 #include <QUrl>
0029 
0030 // KF
0031 
0032 // Local
0033 #include "abstractsemanticinfobackend.h"
0034 
0035 namespace Gwenview
0036 {
0037 /**
0038  * A fake metadata backend, useful to test the ui layer.
0039  * It provides fake rating values based on the image url.
0040  */
0041 class GWENVIEWLIB_EXPORT FakeSemanticInfoBackEnd : public AbstractSemanticInfoBackEnd
0042 {
0043     Q_OBJECT
0044 public:
0045     enum InitializeMode {
0046         InitializeEmpty,
0047         InitializeRandom,
0048     };
0049     FakeSemanticInfoBackEnd(QObject *parent, InitializeMode initializeMode);
0050 
0051     TagSet allTags() const override;
0052 
0053     void refreshAllTags() override;
0054 
0055     void storeSemanticInfo(const QUrl &, const SemanticInfo &) override;
0056 
0057     void retrieveSemanticInfo(const QUrl &) override;
0058 
0059     QString labelForTag(const SemanticInfoTag &) const override;
0060 
0061     SemanticInfoTag tagForLabel(const QString &) override;
0062 
0063 private:
0064     void mergeTagsWithAllTags(const TagSet &);
0065 
0066     QHash<QUrl, SemanticInfo> mSemanticInfoForUrl;
0067     InitializeMode mInitializeMode;
0068     TagSet mAllTags;
0069 };
0070 
0071 } // namespace
0072 
0073 #endif /* FAKESEMANTICINFOBACKEND_H */