/*
* Reads and updates the playlist's duration as [xx:xx] after the label in the tree
* item - the treeview item to get the duration for
* prefix - the string to use before the time (should be the category name)
*/
void PLSelector::updateTotalDuration( PLSelItem* item, const char* prefix )
{
/* Getting the playlist */
QVariant playlistVariant = item->treeItem()->data( 0, PL_ITEM_ROLE );
playlist_item_t* node = playlistVariant.value<playlist_item_t*>();
/* Get the duration of the playlist item */
playlist_Lock( THEPL );
mtime_t mt_duration = playlist_GetNodeDuration( node );
playlist_Unlock( THEPL );
/* Formatting time */
QString qs_timeLabel( prefix );
int i_seconds = mt_duration / 1000000;
int i_minutes = i_seconds / 60;
i_seconds = i_seconds % 60;
if( i_minutes >= 60 )
{
int i_hours = i_minutes / 60;
i_minutes = i_minutes % 60;
qs_timeLabel += QString(" [%1:%2:%3]").arg( i_hours ).arg( i_minutes, 2, 10, QChar('0') ).arg( i_seconds, 2, 10, QChar('0') );
}
else
qs_timeLabel += QString( " [%1:%2]").arg( i_minutes, 2, 10, QChar('0') ).arg( i_seconds, 2, 10, QChar('0') );
item->setText( qs_timeLabel );
}
/**
* Get the duration of all items in a node.
*/
mtime_t playlist_GetNodeDuration( playlist_item_t* node )
{
/* For the assert */
playlist_t *p_playlist = node->p_playlist;
PL_ASSERT_LOCKED;
mtime_t mt_duration = 0;
if( node->i_children != -1 )
for( int i = 0; i < node->i_children; i++ )
{
input_item_t* p_input = node->pp_children[i]->p_input;
if ( p_input->i_type == ITEM_TYPE_NODE )
mt_duration += playlist_GetNodeDuration( node->pp_children[i] );
else
mt_duration += input_item_GetDuration( p_input );
}
return mt_duration;
}
