runtime/renamedlgplugins/audio/audiopreview.cpp

   1 /* This file is part of the KDE project
   2    Copyright (C) 2003 Fabian Wolf <fabianw@gmx.net>
   3
   4    This program is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU General Public
   6    License as published by the Free Software Foundation; version 2
   7    of the License.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; see the file COPYING.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include <QLabel>
  21 #include <QPixmap>
  22
  23 #include <kfilemetainfo.h>
  24 #include <klocale.h>
  25 #include <kmimetype.h>
  26 #include <kurl.h>
  27
  28 #include <kio/netaccess.h>
  29 #include <kurllabel.h>
  30 #include <kmediaplayer/player.h>
  31 #include <kservicetypetrader.h>
  32 #include <ksqueezedtextlabel.h>
  33
  34 #include "audiopreview.h"
  35
  36 AudioPreview::AudioPreview( QWidget *parent, const KUrl &url, const QString &mimeType)
  37   : KVBox( parent )
  38 {
  39   m_isTempFile = false;
  40   pic = 0;
  41   m_player = 0L;
  42   description = 0;
  43   setSpacing( 0 );
  44   if( url.isValid() && url.isLocalFile() ) {
  45     m_localFile = url.path();
  46     pic = new QLabel(this);
  47     pic->setPixmap(KIO::pixmapForUrl( url ));
  48     pic->adjustSize();
  49     initView( mimeType );
  50   } else if( !url.isLocalFile() ) {
  51     KUrlLabel *label = new KUrlLabel( this );
  52     label->setText(i18n("This audio file is not stored\non the local host.\nClick on this label to load it.\n" ) );
  53     label->setUrl( url.prettyUrl() );
  54     connect(label, SIGNAL(leftClickedUrl(const QString&)), SLOT(downloadFile(const QString&)));
  55     pic = label;
  56   } else {
  57     description = new QLabel(this );
  58     description->setText(i18n("Unable to load audio file") );
  59   }
  60 }
  61
  62 AudioPreview::~AudioPreview()
  63 {
  64   if ( m_isTempFile )
  65     KIO::NetAccess::removeTempFile( m_localFile );
  66
  67   delete m_player;
  68 }
  69
  70 void AudioPreview::initView( const QString& mimeType )
  71 {
  72   KUrl url = KUrl::fromPath( m_localFile );
  73   pic->setText( QString() );
  74   pic->setPixmap(KIO::pixmapForUrl( url ));
  75   pic->adjustSize();
  76
  77   KFileMetaInfo info(m_localFile);
  78   KMimeType::Ptr mimeptr = KMimeType::mimeType(mimeType);
  79
  80   QString desc;
  81   if (info.isValid())
  82   {
  83     if (mimeptr->is("audio/mpeg") || mimeptr->is("application/ogg"))
  84     {
  85       // following 3 infos might be very long; make sure they get squeezed
  86       KSqueezedTextLabel *sl;
  87
  88       sl = new KSqueezedTextLabel(this);
  89       sl->setText(i18n("Artist: %1", info.item("Artist").value().toString()));
  90
  91       sl = new KSqueezedTextLabel(this);
  92       sl->setText(i18n("Title: %1", info.item("Title").value().toString()));
  93
  94       sl = new KSqueezedTextLabel(this);
  95       sl->setText(i18n("Comment: %1", info.item("Comment").value().toString()));
  96
  97       desc.append(i18nc("Bitrate: 160 kbits/s", "Bitrate: %1 %2\n", info.item("Bitrate").value().toString(), info.item("Bitrate").suffix() ));
  98     }
  99     desc.append(i18n("Sample rate: %1 %2\n", info.item("Sample Rate").value().toString(), info.item("Sample Rate").suffix() ));
 100     desc.append(i18n("Length: "));
 101
 102     /* Calculate length in mm:ss format */
 103     int length = info.item("Length").value().toInt();
 104     if (length/60 < 10)
 105       desc.append("0");
 106     desc.append(QString("%1:").arg(length/60, 0, 10));
 107     if (length%60 < 10)
 108       desc.append("0");
 109     desc.append(QString("%1\n").arg(length%60, 0, 10));
 110   }
 111
 112   description = new QLabel(this);
 113   description->setText( desc );
 114   description->adjustSize();
 115   m_player = KServiceTypeTrader::createInstanceFromQuery<KMediaPlayer::Player>( "KMediaPlayer/Player", QString(), this );
 116   if ( m_player )
 117   {
 118     static_cast<KParts::ReadOnlyPart*>(m_player)->openUrl( url );
 119     m_player->widget()->show();
 120   }
 121 }
 122
 123 void AudioPreview::downloadFile( const QString& url )
 124 {
 125   if( KIO::NetAccess::download( KUrl( url ), m_localFile , window()) )
 126   {
 127     m_isTempFile = true;
 128     initView( KMimeType::findByPath( m_localFile )->name() );
 129   }
 130 }
 131
 132 #include <audiopreview.moc>