gwenview/lib/semanticinfo/fakesemanticinfobackend.h

   1 // vim: set tabstop=4 shiftwidth=4 noexpandtab:
   2 /*
   3 Gwenview: an image viewer
   4 Copyright 2008 Aurélien Gâteau <aurelien.gateau@free.fr>
   5
   6 This program is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
  19
  20 */
  21 #ifndef FAKESEMANTICINFOBACKEND_H
  22 #define FAKESEMANTICINFOBACKEND_H
  23
  24 #include <lib/gwenviewlib_export.h>
  25
  26 // Qt
  27 #include <QHash>
  28
  29 // KDE
  30 #include <kurl.h>
  31
  32 // Local
  33 #include "abstractsemanticinfobackend.h"
  34
  35 namespace Gwenview {
  36
  37
  38 /**
  39  * A fake metadata backend, useful to test the ui layer.
  40  * It provides fake rating values based on the image url.
  41  */
  42 class GWENVIEWLIB_EXPORT FakeSemanticInfoBackEnd : public AbstractSemanticInfoBackEnd {
  43         Q_OBJECT
  44 public:
  45         enum InitializeMode { InitializeEmpty, InitializeRandom };
  46         FakeSemanticInfoBackEnd(QObject* parent, InitializeMode initializeMode);
  47
  48         virtual TagSet allTags() const;
  49
  50         virtual void refreshAllTags();
  51
  52         virtual void storeSemanticInfo(const KUrl&, const SemanticInfo&);
  53
  54         virtual void retrieveSemanticInfo(const KUrl&);
  55
  56         virtual QString labelForTag(const SemanticInfoTag&) const;
  57
  58         virtual SemanticInfoTag tagForLabel(const QString&);
  59
  60 private:
  61         void mergeTagsWithAllTags(const TagSet&);
  62
  63         QHash<KUrl, SemanticInfo> mSemanticInfoForUrl;
  64         InitializeMode mInitializeMode;
  65         TagSet mAllTags;
  66 };
  67
  68
  69 } // namespace
  70
  71 #endif /* FAKESEMANTICINFOBACKEND_H */