kaddressbook Library API Documentation

soundwidget.cpp

00001 /* 00002 This file is part of KAddressBook. 00003 Copyright (c) 2003 - 2004 Tobias Koenig <tokoe@kde.org> 00004 00005 This program is free software; you can redistribute it and/or modify 00006 it under the terms of the GNU General Public License as published by 00007 the Free Software Foundation; either version 2 of the License, or 00008 (at your option) any later version. 00009 00010 This program is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 GNU General Public License for more details. 00014 00015 You should have received a copy of the GNU General Public License 00016 along with this program; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 00019 As a special exception, permission is given to link this program 00020 with any edition of Qt, and distribute the resulting executable, 00021 without including the source code for Qt in the source distribution. 00022 */ 00023 00024 #include <kabc/sound.h> 00025 #include <kaudioplayer.h> 00026 #include <kdebug.h> 00027 #include <kdialog.h> 00028 #include <kiconloader.h> 00029 #include <kio/netaccess.h> 00030 #include <klocale.h> 00031 #include <ktempfile.h> 00032 #include <kurlrequester.h> 00033 00034 #include <qcheckbox.h> 00035 #include <qlabel.h> 00036 #include <qlayout.h> 00037 #include <qpushbutton.h> 00038 00039 #include "soundwidget.h" 00040 00041 SoundWidget::SoundWidget( QWidget *parent, const char *name ) 00042 : QWidget( parent, name ), mReadOnly( false ) 00043 { 00044 QGridLayout *topLayout = new QGridLayout( this, 2, 3, KDialog::marginHint(), 00045 KDialog::spacingHint() ); 00046 00047 QLabel *label = new QLabel( this ); 00048 label->setPixmap( KGlobal::iconLoader()->loadIcon( "multimedia", 00049 KIcon::Desktop, KIcon::SizeMedium ) ); 00050 label->setAlignment( Qt::AlignTop ); 00051 topLayout->addMultiCellWidget( label, 0, 1, 0, 0 ); 00052 00053 mPlayButton = new QPushButton( i18n( "Play..." ), this ); 00054 mPlayButton->setEnabled( false ); 00055 topLayout->addWidget( mPlayButton, 0, 1 ); 00056 00057 mSoundUrl = new KURLRequester( this ); 00058 topLayout->addWidget( mSoundUrl, 0, 2 ); 00059 00060 mUseSoundUrl = new QCheckBox( i18n( "Store as URL" ), this ); 00061 mUseSoundUrl->setEnabled( false ); 00062 topLayout->addWidget( mUseSoundUrl, 1, 2 ); 00063 00064 connect( mSoundUrl, SIGNAL( textChanged( const QString& ) ), 00065 SIGNAL( changed() ) ); 00066 connect( mSoundUrl, SIGNAL( textChanged( const QString& ) ), 00067 SLOT( urlChanged( const QString& ) ) ); 00068 connect( mUseSoundUrl, SIGNAL( toggled( bool ) ), 00069 SIGNAL( changed() ) ); 00070 connect( mUseSoundUrl, SIGNAL( toggled( bool ) ), 00071 mPlayButton, SLOT( setDisabled( bool ) ) ); 00072 connect( mSoundUrl, SIGNAL( urlSelected( const QString& ) ), 00073 SLOT( loadSound() ) ); 00074 connect( mSoundUrl, SIGNAL( urlSelected( const QString& ) ), 00075 SLOT( updateGUI() ) ); 00076 connect( mPlayButton, SIGNAL( clicked() ), 00077 SLOT( playSound() ) ); 00078 } 00079 00080 SoundWidget::~SoundWidget() 00081 { 00082 } 00083 00084 void SoundWidget::setReadOnly( bool readOnly ) 00085 { 00086 mReadOnly = readOnly; 00087 mSoundUrl->setEnabled( !mReadOnly ); 00088 } 00089 00090 void SoundWidget::setSound( const KABC::Sound &sound ) 00091 { 00092 bool blocked = signalsBlocked(); 00093 blockSignals( true ); 00094 00095 if ( sound.isIntern() ) { 00096 mSound.setData( sound.data() ); 00097 mPlayButton->setEnabled( true ); 00098 mUseSoundUrl->setChecked( false ); 00099 } else { 00100 mSoundUrl->setURL( sound.url() ); 00101 mPlayButton->setEnabled( false ); 00102 if ( !sound.url().isEmpty() ) 00103 mUseSoundUrl->setChecked( true ); 00104 } 00105 00106 blockSignals( blocked ); 00107 } 00108 00109 KABC::Sound SoundWidget::sound() const 00110 { 00111 KABC::Sound sound; 00112 00113 if ( mUseSoundUrl->isChecked() ) 00114 sound.setUrl( mSoundUrl->url() ); 00115 else 00116 sound.setData( mSound.data() ); 00117 00118 return sound; 00119 } 00120 00121 void SoundWidget::playSound() 00122 { 00123 KTempFile tmp; 00124 00125 tmp.file()->writeBlock( mSound.data() ); 00126 tmp.close(); 00127 00128 KAudioPlayer::play( tmp.name() ); 00129 00130 // we can't remove the sound file from within the program, because 00131 // KAudioPlay uses a async dcop call... :( 00132 } 00133 00134 void SoundWidget::loadSound() 00135 { 00136 QString fileName; 00137 00138 KURL url( mSoundUrl->url() ); 00139 00140 if ( url.isEmpty() ) 00141 return; 00142 00143 if ( url.isLocalFile() ) 00144 fileName = url.path(); 00145 else if ( !KIO::NetAccess::download( url, fileName, this ) ) 00146 return; 00147 00148 QFile file( fileName ); 00149 if ( !file.open( IO_ReadOnly ) ) 00150 return; 00151 00152 mSound.setData( file.readAll() ); 00153 00154 file.close(); 00155 00156 if ( !url.isLocalFile() ) 00157 KIO::NetAccess::removeTempFile( fileName ); 00158 } 00159 00160 void SoundWidget::updateGUI() 00161 { 00162 mUseSoundUrl->setEnabled( !mReadOnly ); 00163 } 00164 00165 void SoundWidget::urlChanged( const QString &url ) 00166 { 00167 if ( !mUseSoundUrl->isChecked() ) { 00168 bool state = !url.isEmpty(); 00169 mPlayButton->setEnabled( state ); 00170 mUseSoundUrl->setEnabled( state && !mSound.isIntern() ); 00171 } 00172 } 00173 00174 #include "soundwidget.moc"
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This file is part of the documentation for kaddressbook Library Version 3.2.2.
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