kaddressbook/soundwidget.cpp

   1 /*
   2     This file is part of KAddressBook.
   3     Copyright (c) 2003 - 2004 Tobias Koenig <tokoe@kde.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18
  19     As a special exception, permission is given to link this program
  20     with any edition of Qt, and distribute the resulting executable,
  21     without including the source code for Qt in the source distribution.
  22 */
  23
  24 #include <kabc/sound.h>
  25 #include <kaudioplayer.h>
  26 #include <kdebug.h>
  27 #include <kdialog.h>
  28 #include <kiconloader.h>
  29 #include <kio/netaccess.h>
  30 #include <klocale.h>
  31 #include <ktempfile.h>
  32 #include <kurlrequester.h>
  33
  34 #include <qcheckbox.h>
  35 #include <qlabel.h>
  36 #include <qlayout.h>
  37 #include <qpushbutton.h>
  38 #include <qwhatsthis.h>
  39
  40 #include "soundwidget.h"
  41
  42 SoundWidget::SoundWidget( KABC::AddressBook *ab, QWidget *parent, const char *name )
  43   : KAB::ContactEditorWidget( ab, parent, name ), mReadOnly( false )
  44 {
  45   QGridLayout *topLayout = new QGridLayout( this, 2, 3, KDialog::marginHint(),
  46                                             KDialog::spacingHint() );
  47
  48   QLabel *label = new QLabel( this );
  49   label->setPixmap( KGlobal::iconLoader()->loadIcon( "multimedia",
  50                     KIcon::Desktop, KIcon::SizeMedium ) );
  51   label->setAlignment( Qt::AlignTop );
  52   topLayout->addMultiCellWidget( label, 0, 1, 0, 0 );
  53
  54   mPlayButton = new QPushButton( i18n( "Play" ), this );
  55   mPlayButton->setEnabled( false );
  56   topLayout->addWidget( mPlayButton, 0, 1 );
  57
  58   mSoundUrl = new KURLRequester( this );
  59   topLayout->addWidget( mSoundUrl, 0, 2 );
  60
  61   mUseSoundUrl = new QCheckBox( i18n( "Store as URL" ), this );
  62   mUseSoundUrl->setEnabled( false );
  63   topLayout->addWidget( mUseSoundUrl, 1, 2 );
  64
  65   connect( mSoundUrl, SIGNAL( textChanged( const QString& ) ),
  66            SLOT( setModified() ) );
  67   connect( mSoundUrl, SIGNAL( textChanged( const QString& ) ),
  68            SLOT( urlChanged( const QString& ) ) );
  69   connect( mUseSoundUrl, SIGNAL( toggled( bool ) ),
  70            SLOT( setModified() ) );
  71   connect( mUseSoundUrl, SIGNAL( toggled( bool ) ),
  72            mPlayButton, SLOT( setDisabled( bool ) ) );
  73   connect( mSoundUrl, SIGNAL( urlSelected( const QString& ) ),
  74            SLOT( loadSound() ) );
  75   connect( mSoundUrl, SIGNAL( urlSelected( const QString& ) ),
  76            SLOT( updateGUI() ) );
  77   connect( mPlayButton, SIGNAL( clicked() ),
  78            SLOT( playSound() ) );
  79
  80   QWhatsThis::add( this, i18n( "This field stores a sound file which contains the name of the contact to clarify the pronunciation." ) );
  81   QWhatsThis::add( mUseSoundUrl, i18n( "Save only the URL to the sound file, not the whole object." ) );
  82 }
  83
  84 SoundWidget::~SoundWidget()
  85 {
  86 }
  87
  88 void SoundWidget::loadContact( KABC::Addressee *addr )
  89 {
  90   bool blocked = signalsBlocked();
  91   blockSignals( true );
  92
  93   KABC::Sound sound = addr->sound();
  94   if ( sound.isIntern() ) {
  95     mSound.setData( sound.data() );
  96     mPlayButton->setEnabled( true );
  97     mUseSoundUrl->setChecked( false );
  98   } else {
  99     mSoundUrl->setURL( sound.url() );
 100     mPlayButton->setEnabled( false );
 101     if ( !sound.url().isEmpty() )
 102       mUseSoundUrl->setChecked( true );
 103   }
 104
 105   blockSignals( blocked );
 106 }
 107
 108 void SoundWidget::storeContact( KABC::Addressee *addr )
 109 {
 110   KABC::Sound sound;
 111
 112   if ( mUseSoundUrl->isChecked() )
 113     sound.setUrl( mSoundUrl->url() );
 114   else
 115     sound.setData( mSound.data() );
 116
 117   addr->setSound( sound );
 118 }
 119
 120 void SoundWidget::setReadOnly( bool readOnly )
 121 {
 122   mReadOnly = readOnly;
 123   mSoundUrl->setEnabled( !mReadOnly );
 124 }
 125
 126 void SoundWidget::playSound()
 127 {
 128   KTempFile tmp;
 129
 130   tmp.file()->writeBlock( mSound.data() );
 131   tmp.close();
 132
 133   KAudioPlayer::play( tmp.name() );
 134
 135   // we can't remove the sound file from within the program, because
 136   // KAudioPlay uses a async dcop call... :(
 137 }
 138
 139 void SoundWidget::loadSound()
 140 {
 141   QString fileName;
 142
 143   KURL url( mSoundUrl->url() );
 144
 145   if ( url.isEmpty() )
 146     return;
 147
 148   if ( url.isLocalFile() )
 149     fileName = url.path();
 150   else if ( !KIO::NetAccess::download( url, fileName, this ) )
 151     return;
 152
 153   QFile file( fileName );
 154   if ( !file.open( IO_ReadOnly ) )
 155     return;
 156
 157   mSound.setData( file.readAll() );
 158
 159   file.close();
 160
 161   if ( !url.isLocalFile() )
 162     KIO::NetAccess::removeTempFile( fileName );
 163 }
 164
 165 void SoundWidget::updateGUI()
 166 {
 167   mUseSoundUrl->setEnabled( !mReadOnly );
 168 }
 169
 170 void SoundWidget::urlChanged( const QString &url )
 171 {
 172   if ( !mUseSoundUrl->isChecked() ) {
 173     bool state = !url.isEmpty();
 174     mPlayButton->setEnabled( state );
 175     mUseSoundUrl->setEnabled( state && !mSound.isIntern() );
 176   }
 177 }
 178
 179 #include "soundwidget.moc"