interfaces Library: kfileaudiopreview.cpp Source File (interfaces Library)

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

This file is part of the documentation for interfaces Library Version 3.4.1.
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