interfaces

kfileaudiopreview.cpp

00001 #include "kfileaudiopreview.h"
00002 
00003 #include <qcheckbox.h>
00004 #include <qhbox.h>
00005 #include <qlayout.h>
00006 #include <qvgroupbox.h>
00007 
00008 #include <kglobal.h>
00009 #include <kconfig.h>
00010 #include <klibloader.h>
00011 #include <klocale.h>
00012 #include <kmediaplayer/player.h>
00013 #include <kmimetype.h>
00014 #include <kparts/componentfactory.h>
00015 
00016 #include <kplayobjectfactory.h>
00017 
00018 #include <config-kfile.h>
00019 
00020 class KFileAudioPreviewFactory : public KLibFactory
00021 {
00022 protected:
00023     virtual QObject *createObject( QObject *parent, const char *name,
00024                            const char *className, const QStringList & args)
00025     {
00026         Q_UNUSED(className);
00027         Q_UNUSED(args);
00028         return new KFileAudioPreview( dynamic_cast<QWidget*>( parent ), name );
00029     }
00030 };
00031 
00032 K_EXPORT_COMPONENT_FACTORY( kfileaudiopreview, KFileAudioPreviewFactory )
00033 
00034 
00035 
00036 
00037 
00038 
00039 class KFileAudioPreview::KFileAudioPreviewPrivate
00040 {
00041 public:
00042     KFileAudioPreviewPrivate( QWidget *parent )
00043     {
00044         player = KParts::ComponentFactory::createInstanceFromQuery<KMediaPlayer::Player>( "KMediaPlayer/Player", QString::null, parent );
00045     }
00046 
00047     ~KFileAudioPreviewPrivate()
00048     {
00049         delete player;
00050     }
00051 
00052     KMediaPlayer::Player *player;
00053 };
00054 
00055 
00056 KFileAudioPreview::KFileAudioPreview( QWidget *parent, const char *name )
00057     : KPreviewWidgetBase( parent, name )
00058 {
00059     KGlobal::locale()->insertCatalogue("kfileaudiopreview");    
00060 
00061     QStringList formats = KDE::PlayObjectFactory::mimeTypes();
00062     // ###
00063     QStringList::ConstIterator it = formats.begin();
00064     for ( ; it != formats.end(); ++it )
00065         m_supportedFormats.insert( *it, (void*) 1 );
00066 
00067     QVGroupBox *box = new QVGroupBox( i18n("Media Player"), this );
00068     QVBoxLayout *layout = new QVBoxLayout( this );
00069     layout->addWidget( box );
00070 
00071     (void) new QWidget( box ); // spacer
00072 
00073     d = new KFileAudioPreviewPrivate( 0L ); // not box -- being reparented anyway
00074     if ( d->player ) // only if there actually is a component...
00075     {
00076         setSupportedMimeTypes( formats );
00077         KMediaPlayer::View *view = d->player->view();
00078         view->setEnabled( false );
00079 
00080         // if we have access to the video widget, show it above the player
00081         // So, reparent first the video widget, then the view.
00082         if ( view->videoWidget() )
00083         {
00084             QHBox *frame = new QHBox( box );
00085             frame->setFrameStyle( QFrame::Panel | QFrame::Sunken );
00086             frame->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ) );
00087             view->videoWidget()->reparent( frame, QPoint(0,0) );
00088         }
00089 
00090         view->reparent( box, QPoint(0,0) );
00091     }
00092 
00093     m_autoPlay = new QCheckBox( i18n("Play &automatically"), box );
00094     KConfigGroup config( KGlobal::config(), ConfigGroup );
00095     m_autoPlay->setChecked( config.readBoolEntry( "Autoplay sounds", true ) );
00096     connect( m_autoPlay, SIGNAL(toggled(bool)), SLOT(toggleAuto(bool)) );
00097 }
00098 
00099 KFileAudioPreview::~KFileAudioPreview()
00100 {
00101     KConfigGroup config( KGlobal::config(), ConfigGroup );
00102     config.writeEntry( "Autoplay sounds", m_autoPlay->isChecked() );
00103 
00104     delete d;
00105 }
00106 
00107 void KFileAudioPreview::showPreview( const KURL &url )
00108 {
00109     if ( !d->player || !url.isValid() )
00110         return;
00111 
00112     KMimeType::Ptr mt = KMimeType::findByURL( url );
00113     bool supported = m_supportedFormats.find( mt->name() );
00114     d->player->view()->setEnabled( supported );
00115     if ( !supported )
00116         return;
00117 
00118     static_cast<KParts::ReadOnlyPart*>(d->player)->openURL( url );
00119     if ( m_autoPlay->isChecked() )
00120         d->player->play();
00121 }
00122 
00123 void KFileAudioPreview::clearPreview()
00124 {
00125     if ( d->player )
00126     {
00127         d->player->stop();
00128         d->player->closeURL();
00129     }
00130 }
00131 
00132 void KFileAudioPreview::toggleAuto( bool on )
00133 {
00134     if ( !d->player )
00135         return;
00136 
00137     if ( on && m_currentURL.isValid() && d->player->view()->isEnabled() )
00138         d->player->play();
00139     else
00140         d->player->stop();
00141 }
00142 
00143 void KFileAudioPreview::virtual_hook( int, void* )
00144 {}
00145 
00146 #include "kfileaudiopreview.moc"
interfaces

kfileaudiopreview.cpp

interfaces

API Reference
