modules/gui/qt4/components/playlist/vlc_model.cpp

   1 /*****************************************************************************
   2  * vlc_model.cpp : base for playlist and ml model
   3  ****************************************************************************
   4  * Copyright (C) 2010 the VideoLAN team and AUTHORS
   5  * $Id$
   6  *
   7  * Authors: Srikanth Raju <srikiraju#gmail#com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include "vlc_model.hpp"
  25
  26 VLCModel::VLCModel( intf_thread_t *_p_intf, QObject *parent )
  27         : QAbstractItemModel( parent ), p_intf(_p_intf)
  28 {
  29 }
  30
  31 VLCModel::~VLCModel()
  32 {
  33 }
  34
  35 QString VLCModel::getMeta( const QModelIndex & index, int meta )
  36 {
  37     return index.model()->index( index.row(), columnFromMeta( meta ), index.parent() ).
  38         data().toString();
  39 }
  40
  41 QPixmap VLCModel::getArtPixmap( const QModelIndex & index, const QSize & size )
  42 {
  43     QString artUrl;
  44     artUrl = index.model()->index( index.row(),
  45                                   columnFromMeta( COLUMN_COVER ),
  46                                   index.parent() )
  47                                   .data().toString();
  48     QPixmap artPix;
  49
  50     QString key = artUrl + QString("%1%2").arg(size.width()).arg(size.height());
  51
  52     if( !QPixmapCache::find( key, artPix ))
  53     {
  54         if( artUrl.isEmpty() || !artPix.load( artUrl ) )
  55         {
  56             key = QString("noart%1%2").arg(size.width()).arg(size.height());
  57             if( !QPixmapCache::find( key, artPix ) )
  58             {
  59                 artPix = QPixmap( ":/noart" ).scaled( size,
  60                                                       Qt::KeepAspectRatio,
  61                                                       Qt::SmoothTransformation );
  62                 QPixmapCache::insert( key, artPix );
  63             }
  64         }
  65         else
  66         {
  67             artPix = artPix.scaled( size, Qt::KeepAspectRatio, Qt::SmoothTransformation );
  68             QPixmapCache::insert( key, artPix );
  69         }
  70     }
  71
  72     return artPix;
  73 }