ThumbnailView/ThumbnailFacade.cpp

   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 #include "ThumbnailFacade.h"
  19 #include "Cell.h"
  20 #include "ThumbnailCache.h"
  21 #include "Settings/SettingsData.h"
  22 #include "ImageManager/Manager.h"
  23 #include "ThumbnailToolTip.h"
  24 #include "ThumbnailPainter.h"
  25 #include "ThumbnailModel.h"
  26 #include "CellGeometry.h"
  27 #include "ThumbnailWidget.h"
  28
  29 ThumbnailView::ThumbnailFacade* ThumbnailView::ThumbnailFacade::_instance = 0;
  30 ThumbnailView::ThumbnailFacade::ThumbnailFacade()
  31     :_cellGeometry( new CellGeometry(this) ),
  32      _model( 0 ), _thumbnailCache( 0 ),_widget( 0 ), _painter( 0 ), _toolTip( 0 )
  33 {
  34     // To avoid one of the components references one of the other before it has been initialized, we first construct them all with null.
  35     _cellGeometry = new CellGeometry(this);
  36     _thumbnailCache = new ThumbnailCache;
  37     _model = new ThumbnailModel(this);
  38     _widget = new ThumbnailWidget(this);
  39     _painter = new ThumbnailPainter(this);
  40     _toolTip = new ThumbnailToolTip( _widget );
  41
  42     connect( _widget, SIGNAL( showImage( const DB::ResultId& ) ),
  43              this, SIGNAL( showImage( const DB::ResultId& ) ) );
  44     connect( _widget, SIGNAL( showSelection() ),
  45              this, SIGNAL( showSelection() ) );
  46     connect( _widget, SIGNAL( fileIdUnderCursorChanged( const DB::ResultId& ) ),
  47              this, SIGNAL( fileIdUnderCursorChanged( const DB::ResultId&  ) ) );
  48     connect( _widget, SIGNAL( currentDateChanged( const QDateTime& ) ),
  49              this, SIGNAL( currentDateChanged( const QDateTime& ) ) );
  50     connect( _model, SIGNAL( selectionChanged(int) ),
  51              this, SIGNAL( selectionChanged(int) ) );
  52     connect( _model, SIGNAL( collapseAllStacksEnabled(bool ) ),
  53              this, SIGNAL( collapseAllStacksEnabled(bool ) ) );
  54     connect( _model, SIGNAL( expandAllStacksEnabled(bool) ),
  55              this, SIGNAL( expandAllStacksEnabled(bool ) ) );
  56
  57     _instance = this;
  58 }
  59
  60 QWidget* ThumbnailView::ThumbnailFacade::gui()
  61 {
  62     return _widget;
  63 }
  64
  65 void ThumbnailView::ThumbnailFacade::gotoDate( const DB::ImageDate& date, bool b)
  66 {
  67     _widget->gotoDate( date, b );
  68 }
  69
  70 void ThumbnailView::ThumbnailFacade::setCurrentItem( const DB::ResultId& id )
  71 {
  72     model()->clearSelection();
  73     model()->select( id );
  74     model()->setCurrentItem(id);
  75
  76     Cell cell = model()->positionForMediaId( id );
  77     widget()->ensureCellVisible( cell.row(), cell.col() );
  78 }
  79
  80 void ThumbnailView::ThumbnailFacade::reload( bool flushCache, bool clearSelection)
  81 {
  82     _widget->reload( flushCache, clearSelection );
  83 }
  84
  85 DB::Result ThumbnailView::ThumbnailFacade::selection(bool keepSortOrderOfDatabase) const
  86 {
  87     return _model->selection( keepSortOrderOfDatabase );
  88 }
  89
  90 DB::Result ThumbnailView::ThumbnailFacade::imageList(Order order) const
  91 {
  92     return _model->imageList(order);
  93 }
  94
  95 DB::ResultId ThumbnailView::ThumbnailFacade::mediaIdUnderCursor() const
  96 {
  97     return _widget->mediaIdUnderCursor();
  98 }
  99
 100 DB::ResultId ThumbnailView::ThumbnailFacade::currentItem() const
 101 {
 102     return _model->currentItem();
 103 }
 104
 105 void ThumbnailView::ThumbnailFacade::setImageList(const DB::Result& list)
 106 {
 107     _model->setImageList( list );
 108 }
 109
 110 void ThumbnailView::ThumbnailFacade::setSortDirection( SortDirection direction )
 111 {
 112     _model->setSortDirection( direction );
 113 }
 114
 115 void ThumbnailView::ThumbnailFacade::selectAll()
 116 {
 117     _model->selectAll();
 118 }
 119
 120 void ThumbnailView::ThumbnailFacade::showToolTipsOnImages( bool on )
 121 {
 122     _toolTip->setActive( on );
 123 }
 124
 125 void ThumbnailView::ThumbnailFacade::repaintScreen()
 126 {
 127     _widget->repaintScreen();
 128 }
 129
 130 void ThumbnailView::ThumbnailFacade::toggleStackExpansion(const DB::ResultId& id)
 131 {
 132     _model->toggleStackExpansion(id);
 133 }
 134
 135 void ThumbnailView::ThumbnailFacade::collapseAllStacks()
 136 {
 137     _model->collapseAllStacks();
 138 }
 139
 140 void ThumbnailView::ThumbnailFacade::expandAllStacks()
 141 {
 142     _model->expandAllStacks();
 143 }
 144
 145 void ThumbnailView::ThumbnailFacade::updateDisplayModel()
 146 {
 147     _model->updateDisplayModel();
 148 }
 149
 150 void ThumbnailView::ThumbnailFacade::changeSingleSelection(const DB::ResultId& id)
 151 {
 152     _model->changeSingleSelection(id);
 153 }
 154
 155 ThumbnailView::ThumbnailModel* ThumbnailView::ThumbnailFacade::model()
 156 {
 157     return _model;
 158 }
 159
 160 ThumbnailView::CellGeometry* ThumbnailView::ThumbnailFacade::cellGeometry()
 161 {
 162     return _cellGeometry;
 163 }
 164
 165 ThumbnailView::ThumbnailWidget* ThumbnailView::ThumbnailFacade::widget()
 166 {
 167     return _widget;
 168 }
 169
 170 ThumbnailView::ThumbnailPainter* ThumbnailView::ThumbnailFacade::painter()
 171 {
 172     return _painter;
 173 }
 174
 175 ThumbnailView::ThumbnailFacade* ThumbnailView::ThumbnailFacade::instance()
 176 {
 177     Q_ASSERT( _instance );
 178     return _instance;
 179 }
 180
 181 ThumbnailView::ThumbnailCache* ThumbnailView::ThumbnailFacade::cache()
 182 {
 183     return _thumbnailCache;
 184 }
 185 void ThumbnailView::ThumbnailFacade::slotRecreateThumbnail()
 186 {
 187     Q_FOREACH( const DB::ResultId& id, model()->selectionSet() ) {
 188         const DB::ImageInfoPtr info = id.fetchInfo();
 189         const QString fileName = info->fileName(DB::AbsolutePath);
 190         ImageManager::Manager::instance()->removeThumbnail( fileName );
 191
 192         int size = Settings::SettingsData::instance()->thumbSize();
 193         ImageManager::ImageRequest* request = new ImageManager::ImageRequest( fileName, QSize(size,size), info->angle(), painter() );
 194         request->setPriority( ImageManager::BatchTask );
 195         ImageManager::Manager::instance()->load( request );
 196     }
 197 }
 198
 199