Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 146 insertions, 0 deletions

diff --git a/interfaces/kmediaplayer/kfileaudiopreview/kfileaudiopreview.cpp b/interfaces/kmediaplayer/kfileaudiopreview/kfileaudiopreview.cpp
new file mode 100644
index 000000000..5db8f65d0
--- /dev/null
+++ b/interfaces/kmediaplayer/kfileaudiopreview/kfileaudiopreview.cpp
@@ -0,0 +1,146 @@
+#include "kfileaudiopreview.h"
+
+#include <qcheckbox.h>
+#include <qhbox.h>
+#include <qlayout.h>
+#include <qvgroupbox.h>
+
+#include <kglobal.h>
+#include <kconfig.h>
+#include <klibloader.h>
+#include <klocale.h>
+#include <kmediaplayer/player.h>
+#include <kmimetype.h>
+#include <kparts/componentfactory.h>
+
+#include <kplayobjectfactory.h>
+
+#include <config-kfile.h>
+
+class KFileAudioPreviewFactory : public KLibFactory
+{
+protected:
+    virtual QObject *createObject( QObject *parent, const char *name,
+                           const char *className, const QStringList & args)
+    {
+        Q_UNUSED(className);
+        Q_UNUSED(args);
+        return new KFileAudioPreview( dynamic_cast<QWidget*>( parent ), name );
+    }
+};
+
+K_EXPORT_COMPONENT_FACTORY( kfileaudiopreview, KFileAudioPreviewFactory )
+
+
+///////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////
+
+
+class KFileAudioPreview::KFileAudioPreviewPrivate
+{
+public:
+    KFileAudioPreviewPrivate( QWidget *parent )
+    {
+        player = KParts::ComponentFactory::createInstanceFromQuery<KMediaPlayer::Player>( "KMediaPlayer/Player", QString::null, parent );
+    }
+
+    ~KFileAudioPreviewPrivate()
+    {
+        delete player;
+    }
+
+    KMediaPlayer::Player *player;
+};
+
+
+KFileAudioPreview::KFileAudioPreview( QWidget *parent, const char *name )
+    : KPreviewWidgetBase( parent, name )
+{
+    KGlobal::locale()->insertCatalogue("kfileaudiopreview");    
+
+    QStringList formats = KDE::PlayObjectFactory::mimeTypes();
+    // ###
+    QStringList::ConstIterator it = formats.begin();
+    for ( ; it != formats.end(); ++it )
+        m_supportedFormats.insert( *it, (void*) 1 );
+
+    QVGroupBox *box = new QVGroupBox( i18n("Media Player"), this );
+    QVBoxLayout *layout = new QVBoxLayout( this );
+    layout->addWidget( box );
+
+    (void) new QWidget( box ); // spacer
+
+    d = new KFileAudioPreviewPrivate( 0L ); // not box -- being reparented anyway
+    if ( d->player ) // only if there actually is a component...
+    {
+        setSupportedMimeTypes( formats );
+        KMediaPlayer::View *view = d->player->view();
+        view->setEnabled( false );
+
+        // if we have access to the video widget, show it above the player
+        // So, reparent first the video widget, then the view.
+        if ( view->videoWidget() )
+        {
+            QHBox *frame = new QHBox( box );
+            frame->setFrameStyle( QFrame::Panel | QFrame::Sunken );
+            frame->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ) );
+            view->videoWidget()->reparent( frame, QPoint(0,0) );
+        }
+
+        view->reparent( box, QPoint(0,0) );
+    }
+
+    m_autoPlay = new QCheckBox( i18n("Play &automatically"), box );
+    KConfigGroup config( KGlobal::config(), ConfigGroup );
+    m_autoPlay->setChecked( config.readBoolEntry( "Autoplay sounds", true ) );
+    connect( m_autoPlay, SIGNAL(toggled(bool)), SLOT(toggleAuto(bool)) );
+}
+
+KFileAudioPreview::~KFileAudioPreview()
+{
+    KConfigGroup config( KGlobal::config(), ConfigGroup );
+    config.writeEntry( "Autoplay sounds", m_autoPlay->isChecked() );
+
+    delete d;
+}
+
+void KFileAudioPreview::showPreview( const KURL &url )
+{
+    if ( !d->player || !url.isValid() )
+        return;
+
+    KMimeType::Ptr mt = KMimeType::findByURL( url );
+    bool supported = m_supportedFormats.find( mt->name() );
+    d->player->view()->setEnabled( supported );
+    if ( !supported )
+        return;
+
+    static_cast<KParts::ReadOnlyPart*>(d->player)->openURL( url );
+    if ( m_autoPlay->isChecked() )
+        d->player->play();
+}
+
+void KFileAudioPreview::clearPreview()
+{
+    if ( d->player )
+    {
+        d->player->stop();
+        d->player->closeURL();
+    }
+}
+
+void KFileAudioPreview::toggleAuto( bool on )
+{
+    if ( !d->player )
+        return;
+
+    if ( on && m_currentURL.isValid() && d->player->view()->isEnabled() )
+        d->player->play();
+    else
+        d->player->stop();
+}
+
+void KFileAudioPreview::virtual_hook( int, void* )
+{}
+
+#include "kfileaudiopreview.moc"