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[vlc] / modules / gui / skins2 / vars / playtree.cpp
1 /*****************************************************************************
2  * playtree.cpp
3  *****************************************************************************
4  * Copyright (C) 2005 VideoLAN
5  * $Id$
6  *
7  * Authors: Antoine Cellerier <dionoea@videolan.org>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
22  *****************************************************************************/
23
24 #include <vlc/vlc.h>
25
26 #include "playtree.hpp"
27 #include "../utils/ustring.hpp"
28
29 #include "charset.h"
30
31
32 Playtree::Playtree( intf_thread_t *pIntf ): VarTree( pIntf )
33 {
34     // Get the VLC playlist object
35     m_pPlaylist = pIntf->p_sys->p_playlist;
36
37     // Try to guess the current charset
38     char *pCharset;
39     vlc_current_charset( &pCharset );
40     iconvHandle = vlc_iconv_open( "UTF-8", pCharset );
41     msg_Dbg( pIntf, "Using character encoding: %s", pCharset );
42     free( pCharset );
43
44     if( iconvHandle == (vlc_iconv_t) - 1 )
45     {
46         msg_Warn( pIntf, "Unable to do requested conversion" );
47     }
48
49     buildTree();
50 }
51
52 Playtree::~Playtree()
53 {
54     if( iconvHandle != (vlc_iconv_t) - 1 ) vlc_iconv_close( iconvHandle );
55     // TODO : check that everything is destroyed
56 }
57
58 void Playtree::delSelected()
59 {
60     // TODO
61     notify();
62 }
63
64 void Playtree::action( VarTree *pItem )
65 {
66     vlc_mutex_lock( &m_pPlaylist->object_lock );
67     VarTree::Iterator it;
68     if( pItem->size() )
69     {
70         it = pItem->begin();
71         while( it->size() ) it = it->begin();
72     }
73     playlist_Control( m_pPlaylist,
74                       PLAYLIST_VIEWPLAY,
75                       m_pPlaylist->status.i_view,
76                       pItem->size()
77                           ? (playlist_item_t *)pItem->m_pData
78                           : (playlist_item_t *)pItem->parent()->m_pData,
79                       pItem->size()
80                           ? (playlist_item_t *)it->m_pData
81                           : (playlist_item_t *)pItem->m_pData
82                     );
83     vlc_mutex_unlock( &m_pPlaylist->object_lock );
84 }
85
86 void Playtree::onChange()
87 {
88     buildTree();
89     notify();
90 }
91
92 void Playtree::onUpdate( int id )
93 {
94     Iterator it = findById( id );
95     if( it != end() )
96     {
97         // Update the item
98         playlist_item_t* pNode = (playlist_item_t*)(it->m_pData);
99         UString *pName = new UString( getIntf(), pNode->input.psz_name );
100         it->m_cString = UStringPtr( pName );
101         it->m_playing = m_pPlaylist->status.p_item == pNode;
102     }
103     else
104     {
105         msg_Warn(getIntf(), "Cannot find node with id %d", id );
106     }
107     // TODO update only the right node
108     notify();
109 }
110
111 void Playtree::buildNode( playlist_item_t *pNode, VarTree &rTree )
112 {
113     for( int i = 0; i < pNode->i_children; i++ )
114     {
115         UString *pName = new UString( getIntf(),
116                                       pNode->pp_children[i]->input.psz_name );
117         rTree.add( pNode->pp_children[i]->input.i_id, UStringPtr( pName ),
118                      false,
119                      m_pPlaylist->status.p_item == pNode->pp_children[i],
120                      true, pNode->pp_children[i] );
121         if( pNode->pp_children[i]->i_children )
122         {
123             buildNode( pNode->pp_children[i], rTree.back() );
124         }
125     }
126 }
127
128 void Playtree::buildTree()
129 {
130     clear();
131     vlc_mutex_lock( &m_pPlaylist->object_lock );
132
133     playlist_view_t *p_view;
134     p_view = playlist_ViewFind( m_pPlaylist, VIEW_CATEGORY );
135     /* TODO : let the user chose the view type */
136
137     clear();
138     /* XXX : do we need Playlist::clear() instead of VarTree::clear() ? */
139
140     /* Set the root's name */
141     UString *pName = new UString( getIntf(), p_view->p_root->input.psz_name );
142     m_cString = UStringPtr( pName );
143
144     buildNode( p_view->p_root, *this );
145
146     vlc_mutex_unlock( &m_pPlaylist->object_lock );
147     checkParents( NULL );
148 }
149