File indexing completed on 2024-05-05 04:48:43

 /****************************************************************************************
  * Copyright (c) 2011 Kevin Funk <krf@electrostorm.net>                                 *
  *                                                                                      *
  * This program is free software; you can redistribute it and/or modify it under        *
  * the terms of the GNU General Public License as published by the Free Software        *
  * Foundation; either version 2 of the License, or (at your option) any later           *
  * version.                                                                             *
  *                                                                                      *
  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
  *                                                                                      *
  * You should have received a copy of the GNU General Public License along with         *
  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #include "PlaylistInfoWidget.h"
 
 #include "core/meta/Meta.h"
 #include "core/meta/support/MetaUtility.h"
 #include "core/support/Debug.h"
 #include "playlist/PlaylistActions.h"
 #include "playlist/PlaylistModelStack.h"
 
 #include "QEvent"
 #include "QHelpEvent"
 #include "QToolTip"
 
 PlaylistInfoWidget::PlaylistInfoWidget( QWidget *parent )
     : QLabel( parent )
 {
     connect( Playlist::ModelStack::instance()->bottom(), &Playlist::Model::dataChanged,
              this, &PlaylistInfoWidget::updateTotalPlaylistLength );
     // Ignore The::playlist() layoutChanged: rows moving around does not change the total playlist length.
     connect( Playlist::ModelStack::instance()->bottom(), &Playlist::Model::modelReset,
              this, &PlaylistInfoWidget::updateTotalPlaylistLength );
     connect( Playlist::ModelStack::instance()->bottom(), &Playlist::Model::rowsInserted,
              this, &PlaylistInfoWidget::updateTotalPlaylistLength );
     connect( Playlist::ModelStack::instance()->bottom(), &Playlist::Model::rowsRemoved,
              this, &PlaylistInfoWidget::updateTotalPlaylistLength );
 
     updateTotalPlaylistLength();
 }
 
 PlaylistInfoWidget::~PlaylistInfoWidget()
 {}
 
 void
 PlaylistInfoWidget::updateTotalPlaylistLength() //SLOT
 {
     const quint64 totalLength = The::playlist()->totalLength();
     const int trackCount = The::playlist()->qaim()->rowCount();
 
     if( totalLength > 0 && trackCount > 0 )
     {
         const QString prettyTotalLength = Meta::msToPrettyTime( totalLength );
         setText( i18ncp( "%1 is number of tracks, %2 is time",
                          "%1 track (%2)", "%1 tracks (%2)",
                          trackCount, prettyTotalLength ) );
     }
     else if( ( totalLength == 0 ) && ( trackCount > 0 ) )
     {
         setText( i18ncp( "%1 is number of tracks", "%1 track", "%1 tracks", trackCount ) );
     }
     else // Total Length will not be > 0 if trackCount is 0, so we can ignore it
     {
         setText( i18n( "No tracks" ) );
     }
 }
 
 bool
 PlaylistInfoWidget::event( QEvent *event )
 {
     if( event->type() == QEvent::ToolTip ) {
         QHelpEvent *helpEvent = static_cast<QHelpEvent *>(event);
         const quint64 totalLength = The::playlist()->totalLength();
         const int trackCount = The::playlist()->qaim()->rowCount();
 
         if( totalLength == 0 || trackCount == 0 )
         {
             QToolTip::hideText();
             event->ignore();
         }
         else
         {
             // - determine the queued tracks
             quint64 queuedTotalLength( 0 );
             quint64 queuedTotalSize( 0 );
             int queuedCount( 0 );
 
             QQueue<quint64> queue = The::playlistActions()->queue();
             foreach( quint64 id, queue )
             {
                 Meta::TrackPtr track = The::playlist()->trackForId( id );
                 queuedTotalLength += track->length();
                 queuedTotalSize += track->filesize();
                 ++queuedCount;
             }
 
             // - set the tooltip
             const quint64 totalSize = The::playlist()->totalSize();
             const QString prettyTotalSize = Meta::prettyFilesize( totalSize );
             const QString prettyQueuedTotalLength = Meta::msToPrettyTime( queuedTotalLength );
             const QString prettyQueuedTotalSize   = Meta::prettyFilesize( queuedTotalSize );
 
             QString tooltipLabel;
             if( queuedCount > 0 && queuedTotalLength > 0 )
             {
                 tooltipLabel = i18n( "Total playlist size: %1", prettyTotalSize )       + '\n'
                     + i18n( "Queue size: %1",          prettyQueuedTotalSize ) + '\n'
                     + i18n( "Queue length: %1",        prettyQueuedTotalLength );
             }
             else
             {
                 tooltipLabel = i18n( "Total playlist size: %1", prettyTotalSize );
             }
 
             QToolTip::showText( helpEvent->globalPos(), tooltipLabel );
         }
 
         return true;
     }
     return QWidget::event(event);
 }