1 /*****************************************************************************
2 * playlist_item.cpp : Manage playlist item
3 ****************************************************************************
4 * Copyright © 2006-2008 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
32 #include "components/playlist/playlist_model.hpp"
33 #include <vlc_intf_strings.h>
39 /*************************************************************************
40 * Playlist item implementation
41 *************************************************************************/
44 Playlist item is just a wrapper, an abstraction of the playlist_item
45 in order to be managed by PLModel
47 PLItem have a parent, and id and a input Id
51 void PLItem::init( int _i_id, int _i_input_id, PLItem *parent, PLModel *m, QSettings *settings )
53 parentItem = parent; /* Can be NULL, but only for the rootItem */
54 i_id = _i_id; /* Playlist item specific id */
55 i_input_id = _i_input_id; /* Identifier of the input */
56 model = m; /* PLModel (QAbsmodel) */
57 i_type = -1; /* Item type - Avoid segfault */
58 b_current = false; /* Is the item the current Item or not */
60 assert( model ); /* We need a model */
62 /* No parent, should be the 2 main ones */
63 if( parentItem == NULL )
65 if( model->i_depth == DEPTH_SEL ) /* Selector Panel */
67 item_col_strings.append( "" );
71 i_showflags = settings->value( "qt-pl-showflags", 39 ).toInt();
73 i_showflags = 39; /* reasonable default to show something; */
74 else if ( i_showflags >= COLUMN_END )
75 i_showflags = COLUMN_END - 1; /* show everything */
77 updateColumnHeaders();
82 i_showflags = parentItem->i_showflags;
83 //Add empty string and update() handles data appending
84 item_col_strings.append( "" );
90 Call the above function init
91 So far the first constructor isn't used...
93 PLItem::PLItem( int _i_id, int _i_input_id, PLItem *parent, PLModel *m )
95 init( _i_id, _i_input_id, parent, m, NULL );
98 PLItem::PLItem( playlist_item_t * p_item, PLItem *parent, PLModel *m )
100 init( p_item->i_id, p_item->p_input->i_id, parent, m, NULL );
103 PLItem::PLItem( playlist_item_t * p_item, QSettings *settings, PLModel *m )
105 init( p_item->i_id, p_item->p_input->i_id, NULL, m, settings );
110 qDeleteAll( children );
115 void PLItem::updateColumnHeaders()
117 item_col_strings.clear();
119 assert( i_showflags < COLUMN_END );
121 for( uint32_t i_index=1; i_index < COLUMN_END; i_index <<= 1 )
123 if( i_showflags & i_index )
124 item_col_strings.append( qfu( psz_column_title( i_index ) ) );
128 /* So far signal is always true.
129 Using signal false would not call PLModel... Why ?
131 void PLItem::insertChild( PLItem *item, int i_pos, bool signal )
134 model->beginInsertRows( model->index( this , 0 ), i_pos, i_pos );
135 children.insert( i_pos, item );
137 model->endInsertRows();
140 void PLItem::remove( PLItem *removed )
142 if( model->i_depth == DEPTH_SEL || parentItem )
144 int i_index = parentItem->children.indexOf( removed );
145 model->beginRemoveRows( model->index( parentItem, 0 ),
147 parentItem->children.removeAt( i_index );
148 model->endRemoveRows();
152 /* This function is used to get one's parent's row number in the model */
153 int PLItem::row() const
156 return parentItem->children.indexOf( const_cast<PLItem*>(this) );
157 // We don't ever inherit PLItem, yet, but it might come :D
161 /* update the PL Item, get the good names and so on */
162 /* This function may not be the best way to do it
163 It destroys everything and gets everything again instead of just
164 building the necessary columns.
165 This does extra work if you re-display the same column. Slower...
166 On the other hand, this way saves memory.
167 There must be a more clever way.
169 void PLItem::update( playlist_item_t *p_item, bool iscurrent )
171 char psz_duration[MSTRTIME_MAX_SIZE];
174 assert( p_item->p_input->i_id == i_input_id );
176 /* Useful for the model */
177 i_type = p_item->p_input->i_type;
178 b_current = iscurrent;
180 item_col_strings.clear();
182 if( model->i_depth == 1 ) /* Selector Panel */
184 item_col_strings.append( qfu( p_item->p_input->psz_name ) );
188 assert( parentItem->i_showflags < COLUMN_END );
190 for( uint32_t i_index=1; i_index < COLUMN_END; i_index <<= 1 )
192 if( parentItem->i_showflags & i_index )
194 char *psz = psz_column_meta( p_item->p_input, i_index );
195 item_col_strings.append( qfu( psz ) );