ThumbnailView/ThumbnailFacade.h

   1 /* Copyright (C) 2003-2009 Jesper K. Pedersen <blackie@kde.org>
   2
   3    This program is free software; you can redistribute it and/or
   4    modify it under the terms of the GNU General Public
   5    License as published by the Free Software Foundation; either
   6    version 2 of the License, or (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; see the file COPYING.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18 #ifndef THUMBNAILFACADE_H
  19 #define THUMBNAILFACADE_H
  20 #include "ThumbnailFactory.h"
  21 #include "ThumbnailWidget.h"
  22
  23 namespace ThumbnailView
  24 {
  25 class ThumbnailModel;
  26 class CellGeometry;
  27 class ThumbnailPainter;
  28 class ThumbnailToolTip;
  29
  30 class ThumbnailFacade :public QObject, public ThumbnailFactory
  31 {
  32     Q_OBJECT
  33 public:
  34     static ThumbnailFacade* instance();
  35     ThumbnailFacade();
  36     QWidget* gui();
  37     void setCurrentItem( const DB::ResultId& id );
  38     void reload( bool flushCache, bool clearSelection=true );
  39     DB::Result selection(bool keepSortOrderOfDatabase=false) const;
  40     DB::Result imageList(Order) const;
  41     DB::ResultId mediaIdUnderCursor() const;
  42     DB::ResultId currentItem() const;
  43     void setImageList(const DB::Result& list);
  44     void setSortDirection( SortDirection );
  45
  46 public slots:
  47     void gotoDate( const DB::ImageDate& date, bool includeRanges );
  48     void selectAll();
  49     void showToolTipsOnImages( bool b );
  50     void repaintScreen();
  51     void toggleStackExpansion(const DB::ResultId& id);
  52     void collapseAllStacks();
  53     void expandAllStacks();
  54     void updateDisplayModel();
  55     void changeSingleSelection(const DB::ResultId& id);
  56     void slotRecreateThumbnail();
  57
  58 signals:
  59     void showImage( const DB::ResultId& id );
  60     void showSelection();
  61     void fileIdUnderCursorChanged( const DB::ResultId& id );
  62     void currentDateChanged( const QDateTime& );
  63     void selectionChanged(int numberOfItemsSelected );
  64     void collapseAllStacksEnabled(bool enabled);
  65     void expandAllStacksEnabled(bool enabled);
  66
  67 private:
  68     OVERRIDE ThumbnailModel* model();
  69     OVERRIDE CellGeometry* cellGeometry();
  70     OVERRIDE ThumbnailWidget* widget();
  71     OVERRIDE ThumbnailPainter* painter();
  72     OVERRIDE ThumbnailCache* cache();
  73
  74 private:
  75     static ThumbnailFacade* _instance;
  76     CellGeometry* _cellGeometry;
  77     ThumbnailModel* _model;
  78     ThumbnailCache* _thumbnailCache;
  79     ThumbnailWidget* _widget;
  80     ThumbnailPainter* _painter;
  81     ThumbnailToolTip* _toolTip;
  82 };
  83 }
  84
  85 #endif /* THUMBNAILFACADE_H */
  86