ThumbnailView/ThumbnailBuilder.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
  19 #include <KLocale>
  20 #include "ThumbnailBuilder.h"
  21 #include "ImageManager/Manager.h"
  22 #include "DB/ImageDB.h"
  23 #include "DB/ResultId.h"
  24
  25 ThumbnailView::ThumbnailBuilder::ThumbnailBuilder( QWidget* parent )
  26     :QProgressDialog( parent )
  27 {
  28     const DB::Result images = DB::ImageDB::instance()->images();
  29     setMaximum( qMax( images.size() - 1, 0 ) );
  30     setLabelText( i18n("Generating thumbnails") );
  31
  32     connect( this, SIGNAL( canceled() ), this, SLOT( slotCancelRequests() ) );
  33
  34     Q_FOREACH(const DB::ImageInfoPtr info, images.fetchInfos()) {
  35         ImageManager::ImageRequest* request
  36             = new ImageManager::ImageRequest( info->fileName(DB::AbsolutePath),
  37                                               QSize(256,256), info->angle(),
  38                                               this );
  39         request->setPriority( ImageManager::BuildThumbnails );
  40         ImageManager::Manager::instance()->load( request );
  41     }
  42 }
  43
  44 void ThumbnailView::ThumbnailBuilder::slotCancelRequests()
  45 {
  46     ImageManager::Manager::instance()->stop( this, ImageManager::StopAll );
  47     setValue( maximum() );
  48 }
  49
  50 void ThumbnailView::ThumbnailBuilder::pixmapLoaded( const QString& fileName, const QSize& size, const QSize& fullSize, int, const QImage&, const bool loadedOK)
  51 {
  52     Q_UNUSED(size)
  53     Q_UNUSED(loadedOK)
  54     if ( fullSize.width() != -1 ) {
  55         DB::ImageInfoPtr info = DB::ImageDB::instance()->info( fileName, DB::AbsolutePath );
  56         info->setSize( fullSize );
  57     }
  58     setValue( value() + 1 );
  59 }
  60
  61 #include "ThumbnailBuilder.moc"