summaryrefslogtreecommitdiffstats
path: root/renamedlgplugins/audio/audiopreview.cpp
blob: e9c6f26dbf9a23c17684d04151a65d333cd13ce2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/* This file is part of the KDE project
   Copyright (C) 2003 Fabian Wolf <fabianw@gmx.net>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; version 2
   of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include <kfilemetainfo.h>
#include <klocale.h>
#include <kmimetype.h>
#include <kurl.h>
#include <qvbox.h>
#include <qlabel.h>
#include <qpixmap.h>
#include <kio/netaccess.h>
#include <kurllabel.h>
#include <kmimetype.h>
#include <kmediaplayer/player.h>
#include <kparts/componentfactory.h>
#include <ksqueezedtextlabel.h>

#include "audiopreview.h"

AudioPreview::AudioPreview( QWidget *parent, const char *name, const QString &fileName, const QString &mimeType)
  : QVBox( parent, name )
{
  m_isTempFile = false;
  pic = 0;
  m_player = 0L;
  description = 0;
  // fileName is created by KUrl::prettyURL()
  KURL url( fileName );
  setSpacing( 0 );
  if( url.isValid() && url.isLocalFile() ) {
    m_localFile = url.path();
    pic = new QLabel(this);
    pic->setPixmap(KMimeType::pixmapForURL( url ));
    pic->adjustSize();
    initView( mimeType );
  } else if( !url.isLocalFile() ) {
    KURLLabel *label = new KURLLabel( this );
    label->setText(i18n("This audio file isn't stored\non the local host.\nClick on this label to load it.\n" ) );
    label->setURL( url.prettyURL() );
    connect(label, SIGNAL(leftClickedURL(const QString&)), SLOT(downloadFile(const QString&)));
    pic = label;
  } else {
    description = new QLabel(this );
    description->setText(i18n("Unable to load audio file") );
  }
}

AudioPreview::~AudioPreview()
{
  if ( m_isTempFile )
    KIO::NetAccess::removeTempFile( m_localFile );

  delete m_player;
}

void AudioPreview::initView( const QString& mimeType )
{
  KURL url = KURL::fromPathOrURL( m_localFile );
  pic->setText( QString::null );
  pic->setPixmap(KMimeType::pixmapForURL( url ));
  pic->adjustSize();
 
  KFileMetaInfo info(m_localFile);
  KMimeType::Ptr mimeptr = KMimeType::mimeType(mimeType);

  QString desc;
  if (info.isValid()) 
  {
    if (mimeptr->is("audio/x-mp3") || mimeptr->is("application/ogg"))
    {
      // following 3 infos might be very long; make sure they get squeezed
      // TODO: when string-freeze is over, eliminate trailing '\n' as it's no longer needed
      KSqueezedTextLabel *sl;

      sl = new KSqueezedTextLabel(this);
      sl->setText(i18n("Artist: %1\n").arg(info.item("Artist").value().toString()));

      sl = new KSqueezedTextLabel(this);
      sl->setText(i18n("Title: %1\n").arg(info.item("Title").value().toString()));

      sl = new KSqueezedTextLabel(this);
      sl->setText(i18n("Comment: %1\n").arg(info.item("Comment").value().toString()));

      desc.append(i18n("Biterate: 160 kbits/s", "Bitrate: %1 %2\n").arg( info.item("Bitrate").value().toString() ).arg( info.item("Bitrate").suffix() ));
    }
    desc.append(i18n("Sample rate: %1 %2\n").arg( info.item("Sample Rate").value().toString() ).arg( info.item("Sample Rate").suffix() ));
    desc.append(i18n("Length: "));

    /* Calculate length in mm:ss format */
    int length = info.item("Length").value().toInt();
    if (length/60 < 10)
      desc.append("0");
    desc.append(QString("%1:").arg(length/60, 0, 10));
    if (length%60 < 10)
      desc.append("0");
    desc.append(QString("%1\n").arg(length%60, 0, 10));
  }
 
  description = new QLabel(this);
  description->setText( desc );
  description->adjustSize();
  m_player = KParts::ComponentFactory::createInstanceFromQuery<KMediaPlayer::Player>( "KMediaPlayer/Player", QString::null, this );
  if ( m_player )
  {
    static_cast<KParts::ReadOnlyPart*>(m_player)->openURL( url );
    m_player->widget()->show();
  }
}

void AudioPreview::downloadFile( const QString& url )
{
  if( KIO::NetAccess::download( KURL::fromPathOrURL( url ), m_localFile , topLevelWidget()) )
  {
    m_isTempFile = true;
    initView( KMimeType::findByPath( m_localFile )->name() );
  }
}

#include <audiopreview.moc>