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 )
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 QSettings settings( "vlc", "vlc-qt-interface" );
72 i_showflags = settings.value( "qt-pl-showflags", 39 ).toInt();
74 i_showflags = 39; /* reasonable default to show something; */
75 else if ( i_showflags >= COLUMN_END )
76 i_showflags = COLUMN_END - 1; /* show everything */
78 updateColumnHeaders();
83 i_showflags = parentItem->i_showflags;
84 //Add empty string and update() handles data appending
85 item_col_strings.append( "" );
91 Call the above function init
92 So far the first constructor isn't used...
94 PLItem::PLItem( int _i_id, int _i_input_id, PLItem *parent, PLModel *m )
96 init( _i_id, _i_input_id, parent, m );
99 PLItem::PLItem( playlist_item_t * p_item, PLItem *parent, PLModel *m )
101 init( p_item->i_id, p_item->p_input->i_id, parent, m );
106 qDeleteAll( children );
111 void PLItem::updateColumnHeaders()
113 item_col_strings.clear();
115 assert( i_showflags < COLUMN_END );
117 for( uint32_t i_index=1; i_index < COLUMN_END; i_index <<= 1 )
119 if( i_showflags & i_index )
120 item_col_strings.append( qfu( psz_column_title( i_index ) ) );
124 /* So far signal is always true.
125 Using signal false would not call PLModel... Why ?
127 void PLItem::insertChild( PLItem *item, int i_pos, bool signal )
130 model->beginInsertRows( model->index( this , 0 ), i_pos, i_pos );
131 children.insert( i_pos, item );
133 model->endInsertRows();
136 void PLItem::remove( PLItem *removed )
138 if( model->i_depth == DEPTH_SEL || parentItem )
140 int i_index = parentItem->children.indexOf( removed );
141 model->beginRemoveRows( model->index( parentItem, 0 ),
143 parentItem->children.removeAt( i_index );
144 model->endRemoveRows();
148 /* This function is used to get one's parent's row number in the model */
149 int PLItem::row() const
152 return parentItem->children.indexOf( const_cast<PLItem*>(this) );
153 // We don't ever inherit PLItem, yet, but it might come :D
157 /* update the PL Item, get the good names and so on */
158 /* This function may not be the best way to do it
159 It destroys everything and gets everything again instead of just
160 building the necessary columns.
161 This does extra work if you re-display the same column. Slower...
162 On the other hand, this way saves memory.
163 There must be a more clever way.
165 void PLItem::update( playlist_item_t *p_item, bool iscurrent )
167 char psz_duration[MSTRTIME_MAX_SIZE];
170 assert( p_item->p_input->i_id == i_input_id );
172 /* Useful for the model */
173 i_type = p_item->p_input->i_type;
174 b_current = iscurrent;
176 item_col_strings.clear();
178 if( model->i_depth == 1 ) /* Selector Panel */
180 item_col_strings.append( qfu( p_item->p_input->psz_name ) );
184 assert( parentItem->i_showflags < COLUMN_END );
186 for( uint32_t i_index=1; i_index < COLUMN_END; i_index <<= 1 )
188 if( parentItem->i_showflags & i_index )
190 char *psz = psz_column_meta( p_item->p_input, i_index );
191 item_col_strings.append( qfu( psz ) );