git.sesse.net Git - vlc/blob - 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     Iterator it;
  61     for (it = begin(); it != end() ; it = getNextVisibleItem( it ) )
  62     {
  63         if( (*it).m_selected )
  64         {
  65             playlist_item_t *p_item = (playlist_item_t *)(it->m_pData);
  66             if( p_item->i_children == -1 )
  67             {
  68                 playlist_LockDelete( getIntf()->p_sys->p_playlist,
  69                                      p_item->input.i_id );
  70             }
  71             else
  72             {
  73                 vlc_mutex_lock( &getIntf()->p_sys->p_playlist->object_lock );
  74                 playlist_NodeDelete( getIntf()->p_sys->p_playlist, p_item,
  75                                      VLC_TRUE, VLC_FALSE );
  76                 vlc_mutex_unlock( &getIntf()->p_sys->p_playlist->object_lock );
  77             }
  78         }
  79     }
  80     buildTree();
  81     tree_update descr;
  82     descr.i_type = 1;
  83     notify( &descr );
  84 }
  85
  86 void Playtree::action( VarTree *pItem )
  87 {
  88     vlc_mutex_lock( &m_pPlaylist->object_lock );
  89     VarTree::Iterator it;
  90     if( pItem->size() )
  91     {
  92         it = pItem->begin();
  93         while( it->size() ) it = it->begin();
  94     }
  95     playlist_Control( m_pPlaylist,
  96                       PLAYLIST_VIEWPLAY,
  97                       m_pPlaylist->status.i_view,
  98                       pItem->size()
  99                           ? (playlist_item_t *)pItem->m_pData
 100                           : (playlist_item_t *)pItem->parent()->m_pData,
 101                       pItem->size()
 102                           ? (playlist_item_t *)it->m_pData
 103                           : (playlist_item_t *)pItem->m_pData
 104                     );
 105     vlc_mutex_unlock( &m_pPlaylist->object_lock );
 106 }
 107
 108 void Playtree::onChange()
 109 {
 110     buildTree();
 111     tree_update descr;
 112     descr.i_type = 1;
 113     notify( &descr );
 114 }
 115
 116 void Playtree::onUpdateItem( int id )
 117 {
 118     Iterator it = findById( id );
 119     if( it != end() )
 120     {
 121         // Update the item
 122         playlist_item_t* pNode = (playlist_item_t*)(it->m_pData);
 123         UString *pName = new UString( getIntf(), pNode->input.psz_name );
 124         it->m_cString = UStringPtr( pName );
 125         it->m_playing = m_pPlaylist->status.p_item == pNode;
 126     }
 127     else
 128     {
 129         msg_Warn(getIntf(), "Cannot find node with id %d", id );
 130     }
 131     tree_update descr;
 132     descr.i_type = 0;
 133     notify( &descr );
 134 }
 135
 136 void Playtree::onAppend( playlist_add_t *p_add )
 137 {
 138     Iterator node = findById( p_add->i_node );
 139     if( node != end() )
 140     {
 141         Iterator item =  findById( p_add->i_item );
 142         if( item == end() )
 143         {
 144             playlist_item_t *p_item = playlist_ItemGetById(
 145                                         m_pPlaylist, p_add->i_item );
 146             if( !p_item ) return;
 147             UString *pName = new UString( getIntf(), p_item->input.psz_name );
 148             node->add( p_add->i_item, UStringPtr( pName ),
 149                       false,false, false, p_item );
 150         }
 151     }
 152     tree_update descr;
 153     descr.i_id = p_add->i_item;
 154     descr.i_parent = p_add->i_node;
 155     descr.i_type = 2;
 156     notify( &descr );
 157 }
 158
 159 void Playtree::buildNode( playlist_item_t *pNode, VarTree &rTree )
 160 {
 161     for( int i = 0; i < pNode->i_children; i++ )
 162     {
 163         UString *pName = new UString( getIntf(),
 164                                       pNode->pp_children[i]->input.psz_name );
 165         rTree.add( pNode->pp_children[i]->input.i_id, UStringPtr( pName ),
 166                      false,
 167                      m_pPlaylist->status.p_item == pNode->pp_children[i],
 168                      false, pNode->pp_children[i] );
 169         if( pNode->pp_children[i]->i_children )
 170         {
 171             buildNode( pNode->pp_children[i], rTree.back() );
 172         }
 173     }
 174 }
 175
 176 void Playtree::buildTree()
 177 {
 178     clear();
 179     vlc_mutex_lock( &m_pPlaylist->object_lock );
 180
 181     playlist_view_t *p_view;
 182     p_view = playlist_ViewFind( m_pPlaylist, VIEW_CATEGORY );
 183     /* TODO : let the user chose the view type */
 184
 185     clear();
 186     /* XXX : do we need Playlist::clear() instead of VarTree::clear() ? */
 187
 188     /* Set the root's name */
 189     UString *pName = new UString( getIntf(), p_view->p_root->input.psz_name );
 190     m_cString = UStringPtr( pName );
 191
 192     buildNode( p_view->p_root, *this );
 193
 194     vlc_mutex_unlock( &m_pPlaylist->object_lock );
 195     checkParents( NULL );
 196 }
 197