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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, 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     i_items_to_append = 0;
  38
  39     // Try to guess the current charset
  40     char *pCharset;
  41     vlc_current_charset( &pCharset );
  42     iconvHandle = vlc_iconv_open( "UTF-8", pCharset );
  43     msg_Dbg( pIntf, "Using character encoding: %s", pCharset );
  44     free( pCharset );
  45
  46     if( iconvHandle == (vlc_iconv_t) - 1 )
  47     {
  48         msg_Warn( pIntf, "Unable to do requested conversion" );
  49     }
  50
  51     buildTree();
  52 }
  53
  54 Playtree::~Playtree()
  55 {
  56     if( iconvHandle != (vlc_iconv_t) - 1 ) vlc_iconv_close( iconvHandle );
  57 }
  58
  59 void Playtree::delSelected()
  60 {
  61     Iterator it = begin();
  62     vlc_mutex_lock( &getIntf()->p_sys->p_playlist->object_lock );
  63     for( it = begin(); it != end(); it = getNextVisibleItem( it ) )
  64     {
  65         if( (*it).m_selected && !(*it).isReadonly() )
  66         {
  67             (*it).m_deleted = true;
  68         }
  69     }
  70     /// \todo Do this better (handle item-deleted)
  71     tree_update descr;
  72     descr.i_type = 3;
  73     notify( &descr );
  74     it = begin();
  75     while( it != end() )
  76     {
  77         if( (*it).m_deleted )
  78         {
  79             VarTree::Iterator it2;
  80             playlist_item_t *p_item = (playlist_item_t *)(it->m_pData);
  81             if( p_item->i_children == -1 )
  82             {
  83                 playlist_Delete( getIntf()->p_sys->p_playlist,
  84                                      p_item->input.i_id );
  85                 it2 = getNextVisibleItem( it ) ;
  86                 it->parent()->removeChild( it );
  87                 it = it2;
  88             }
  89             else
  90             {
  91                 playlist_NodeDelete( getIntf()->p_sys->p_playlist, p_item,
  92                                      VLC_TRUE, VLC_FALSE );
  93                 it2 = getNextSibling( it );
  94                 it->parent()->removeChild( it );
  95                 it = it2;
  96             }
  97         }
  98         else
  99         {
 100             it = getNextVisibleItem( it );
 101         }
 102     }
 103     vlc_mutex_unlock( &getIntf()->p_sys->p_playlist->object_lock );
 104 }
 105
 106 void Playtree::action( VarTree *pItem )
 107 {
 108     vlc_mutex_lock( &m_pPlaylist->object_lock );
 109     VarTree::Iterator it;
 110     if( pItem->size() )
 111     {
 112         it = pItem->begin();
 113         while( it->size() ) it = it->begin();
 114     }
 115     playlist_Control( m_pPlaylist,
 116                       PLAYLIST_VIEWPLAY,
 117                       m_pPlaylist->status.i_view,
 118                       pItem->size()
 119                           ? (playlist_item_t *)pItem->m_pData
 120                           : (playlist_item_t *)pItem->parent()->m_pData,
 121                       pItem->size()
 122                           ? (playlist_item_t *)it->m_pData
 123                           : (playlist_item_t *)pItem->m_pData
 124                     );
 125     vlc_mutex_unlock( &m_pPlaylist->object_lock );
 126 }
 127
 128 void Playtree::onChange()
 129 {
 130     buildTree();
 131     tree_update descr;
 132     descr.i_type = 1;
 133     notify( &descr );
 134 }
 135
 136 void Playtree::onUpdateItem( int id )
 137 {
 138     Iterator it = findById( id );
 139     tree_update descr;
 140     descr.b_active_item = false;
 141     if( it != end() )
 142     {
 143         // Update the item
 144         playlist_item_t* pNode = (playlist_item_t*)(it->m_pData);
 145         UString *pName = new UString( getIntf(), pNode->input.psz_name );
 146         it->m_cString = UStringPtr( pName );
 147         it->m_playing = m_pPlaylist->status.p_item == pNode;
 148         if( it->m_playing ) descr.b_active_item = true;
 149     }
 150     else
 151     {
 152         msg_Warn(getIntf(), "Cannot find node with id %d", id );
 153     }
 154     descr.i_type = 0;
 155     notify( &descr );
 156 }
 157
 158 /// \todo keep a list of "recently removed" to avoid looking up if we
 159 //  already removed it
 160 void Playtree::onDelete( int i_id )
 161 {
 162     tree_update descr;
 163     descr.i_id = i_id;
 164     descr.i_type = 3;
 165     Iterator item = findById( i_id ) ;
 166     if( item != end() )
 167     {
 168         if( item->parent() )
 169             item->parent()->removeChild( item );
 170         descr.b_visible = item->parent() ? true : item->parent()->m_expanded;
 171         notify( &descr );
 172     }
 173 }
 174
 175 void Playtree::onAppend( playlist_add_t *p_add )
 176 {
 177     i_items_to_append --;
 178
 179     Iterator node = findById( p_add->i_node );
 180     if( node != end() )
 181     {
 182         Iterator item =  findById( p_add->i_item );
 183         if( item == end() )
 184         {
 185             playlist_item_t *p_item = playlist_ItemGetById(
 186                                         m_pPlaylist, p_add->i_item );
 187             if( !p_item ) return;
 188             UString *pName = new UString( getIntf(), p_item->input.psz_name );
 189             node->add( p_add->i_item, UStringPtr( pName ),
 190                       false,false, false, p_item->i_flags & PLAYLIST_RO_FLAG,
 191                       p_item );
 192         }
 193     }
 194     tree_update descr;
 195     descr.i_id = p_add->i_item;
 196     descr.i_parent = p_add->i_node;
 197     descr.b_visible = node->m_expanded;
 198     descr.i_type = 2;
 199     notify( &descr );
 200 }
 201
 202 void Playtree::buildNode( playlist_item_t *pNode, VarTree &rTree )
 203 {
 204     for( int i = 0; i < pNode->i_children; i++ )
 205     {
 206         UString *pName = new UString( getIntf(),
 207                                       pNode->pp_children[i]->input.psz_name );
 208         rTree.add( pNode->pp_children[i]->input.i_id, UStringPtr( pName ),
 209                      false,
 210                      m_pPlaylist->status.p_item == pNode->pp_children[i],
 211                      false, pNode->pp_children[i]->i_flags & PLAYLIST_RO_FLAG,
 212                      pNode->pp_children[i] );
 213         if( pNode->pp_children[i]->i_children )
 214         {
 215             buildNode( pNode->pp_children[i], rTree.back() );
 216         }
 217     }
 218 }
 219
 220 void Playtree::buildTree()
 221 {
 222     clear();
 223     vlc_mutex_lock( &m_pPlaylist->object_lock );
 224
 225     i_items_to_append = 0;
 226
 227     playlist_view_t *p_view;
 228     p_view = playlist_ViewFind( m_pPlaylist, VIEW_CATEGORY );
 229     /// \todo let the user chose the view
 230
 231     clear();
 232
 233     /* Set the root's name */
 234     UString *pName = new UString( getIntf(), p_view->p_root->input.psz_name );
 235     m_cString = UStringPtr( pName );
 236
 237     buildNode( p_view->p_root, *this );
 238
 239     vlc_mutex_unlock( &m_pPlaylist->object_lock );
 240 //  What is it ?
 241 //    checkParents( NULL );
 242 }
 243