Tomahawk::result_ptr
PlayableProxyModelPlaylistInterface::currentItem() const
{
if ( m_proxyModel.isNull() )
return Tomahawk::result_ptr();
PlayableProxyModel* proxyModel = m_proxyModel.data();
PlayableItem* item = proxyModel->itemFromIndex( proxyModel->mapToSource( proxyModel->currentIndex() ) );
if ( item && !item->query().isNull() && item->query()->playable() )
return item->query()->results().at( 0 );
return Tomahawk::result_ptr();
}
Tomahawk::result_ptr
PlayableProxyModelPlaylistInterface::siblingItem( int itemsAway, bool readOnly )
{
qDebug() << Q_FUNC_INFO;
if ( m_proxyModel.isNull() )
return Tomahawk::result_ptr();
PlayableProxyModel* proxyModel = m_proxyModel.data();
QModelIndex idx = proxyModel->index( 0, 0 );
if ( proxyModel->rowCount() )
{
if ( m_shuffled )
{
// random mode is enabled
// TODO come up with a clever random logic, that keeps track of previously played items
idx = proxyModel->index( qrand() % proxyModel->rowCount(), 0 );
}
else if ( proxyModel->currentIndex().isValid() )
{
idx = proxyModel->currentIndex();
// random mode is disabled
if ( m_repeatMode != PlaylistModes::RepeatOne )
{
// keep progressing through the playlist normally
idx = proxyModel->index( idx.row() + itemsAway, 0 );
}
}
}
if ( !idx.isValid() && m_repeatMode == PlaylistModes::RepeatAll )
{
// repeat all tracks
if ( itemsAway > 0 )
{
// reset to first item
idx = proxyModel->index( 0, 0 );
}
else
{
// reset to last item
idx = proxyModel->index( proxyModel->rowCount() - 1, 0 );
}
}
// Try to find the next available PlaylistItem (with results)
while ( idx.isValid() )
{
PlayableItem* item = proxyModel->itemFromIndex( proxyModel->mapToSource( idx ) );
if ( item && item->query()->playable() )
{
qDebug() << "Next PlaylistItem found:" << item->query()->toString() << item->query()->results().at( 0 )->url();
if ( !readOnly )
proxyModel->setCurrentIndex( idx );
return item->query()->results().at( 0 );
}
idx = proxyModel->index( idx.row() + ( itemsAway > 0 ? 1 : -1 ), 0 );
}
if ( !readOnly )
proxyModel->setCurrentIndex( QModelIndex() );
return Tomahawk::result_ptr();
}
qint64
PlayableProxyModelPlaylistInterface::siblingIndex( int itemsAway, qint64 rootIndex ) const
{
if ( m_proxyModel.isNull() )
return -1;
PlayableProxyModel* proxyModel = m_proxyModel.data();
while ( m_shuffleHistory.count() && m_shuffleHistory.count() >= proxyModel->rowCount() )
{
m_shuffleHistory.removeFirst();
}
QModelIndex idx = QModelIndex();
if ( proxyModel->rowCount() )
{
if ( m_shuffled )
{
if ( itemsAway < 0 )
{
if ( m_shuffleHistory.count() > 1 )
{
if ( proxyModel->itemFromQuery( m_shuffleHistory.at( m_shuffleHistory.count() - 2 ) ) )
idx = proxyModel->mapFromSource( proxyModel->itemFromQuery( m_shuffleHistory.at( m_shuffleHistory.count() - 2 ) )->index );
}
else
return -1;
}
else
{
// random mode is enabled
if ( m_shuffleCache.isValid() )
{
idx = m_shuffleCache;
}
else
{
int safetyCounter = 0;
PlayableItem* item = 0;
do
{
safetyCounter++;
idx = proxyModel->index( qrand() % proxyModel->rowCount(), 0 );
item = proxyModel->itemFromIndex( proxyModel->mapToSource( idx ) );
}
while ( safetyCounter < proxyModel->rowCount() &&
( !item || !item->query()->playable() || m_shuffleHistory.contains( item->query() ) ) );
if ( item && item->query()->playable() )
{
m_shuffleCache = idx;
tDebug( LOGVERBOSE ) << "Next shuffled PlaylistItem cached:" << item->query()->toString() << item->query()->results().at( 0 )->url()
<< "- after" << safetyCounter << "tries to find a track";
}
else
{
tDebug() << Q_FUNC_INFO << "Error finding next shuffled playable track";
}
}
}
}
else
{
if ( m_repeatMode == PlaylistModes::RepeatOne )
{
idx = proxyModel->currentIndex();
}
else
{
// random mode is disabled
if ( rootIndex == -1 )
{
idx = proxyModel->currentIndex();
}
else
{
PlayableItem* pitem = reinterpret_cast<PlayableItem*>( (void*)rootIndex );
if ( !pitem || !pitem->index.isValid() )
return -1;
idx = proxyModel->mapFromSource( pitem->index );
}
idx = proxyModel->index( idx.row() + itemsAway, 0 );
}
}
}
if ( !idx.isValid() && m_repeatMode == PlaylistModes::RepeatAll )
{
// repeat all tracks
if ( itemsAway > 0 )
{
// reset to first item
idx = proxyModel->index( 0, 0 );
}
else
{
// reset to last item
idx = proxyModel->index( proxyModel->rowCount() - 1, 0 );
}
}
while ( idx.isValid() )
{
PlayableItem* item = proxyModel->itemFromIndex( proxyModel->mapToSource( idx ) );
if ( item )
{
return (qint64)( item->index.internalPointer() );
}
idx = proxyModel->index( idx.row() + ( itemsAway > 0 ? 1 : -1 ), 0 );
}
return -1;
}