git.sesse.net Git - vlc/blob - modules/gui/skins2/vars/playtree.cpp

   1 /*****************************************************************************
   2  * playtree.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Antoine Cellerier <dionoea@videolan.org>
   8  *          Clément Stenac <zorglub@videolan.org>
   9  *
  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.
  14  *
  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.
  19  *
  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  *****************************************************************************/
  24
  25 #include <vlc/vlc.h>
  26
  27 #include "playtree.hpp"
  28 #include "../utils/ustring.hpp"
  29
  30 #include "charset.h"
  31
  32
  33 Playtree::Playtree( intf_thread_t *pIntf ): VarTree( pIntf )
  34 {
  35     // Get the VLC playlist object
  36     m_pPlaylist = pIntf->p_sys->p_playlist;
  37
  38     i_items_to_append = 0;
  39
  40     // Try to guess the current charset
  41     char *pCharset;
  42     vlc_current_charset( &pCharset );
  43     iconvHandle = vlc_iconv_open( "UTF-8", pCharset );
  44     msg_Dbg( pIntf, "using character encoding: %s", pCharset );
  45     free( pCharset );
  46
  47     if( iconvHandle == (vlc_iconv_t) - 1 )
  48     {
  49         msg_Warn( pIntf, "unable to do requested conversion" );
  50     }
  51
  52     buildTree();
  53 }
  54
  55 Playtree::~Playtree()
  56 {
  57     if( iconvHandle != (vlc_iconv_t) - 1 ) vlc_iconv_close( iconvHandle );
  58 }
  59
  60 void Playtree::delSelected()
  61 {
  62     Iterator it = begin();
  63     vlc_mutex_lock( &getIntf()->p_sys->p_playlist->object_lock );
  64     for( it = begin(); it != end(); it = getNextVisibleItem( it ) )
  65     {
  66         if( (*it).m_selected && !(*it).isReadonly() )
  67         {
  68             (*it).m_deleted = true;
  69         }
  70     }
  71     /// \todo Do this better (handle item-deleted)
  72     tree_update descr;
  73     descr.i_type = 3;
  74     notify( &descr );
  75     it = begin();
  76     while( it != end() )
  77     {
  78         if( (*it).m_deleted )
  79         {
  80             VarTree::Iterator it2;
  81             playlist_item_t *p_item = (playlist_item_t *)(it->m_pData);
  82             if( p_item->i_children == -1 )
  83             {
  84                 playlist_DeleteFromItemId( getIntf()->p_sys->p_playlist,
  85                                            p_item->i_id );
  86                 it2 = getNextVisibleItem( it ) ;
  87                 it->parent()->removeChild( it );
  88                 it = it2;
  89             }
  90             else
  91             {
  92                 playlist_NodeDelete( getIntf()->p_sys->p_playlist, p_item,
  93                                      VLC_TRUE, VLC_FALSE );
  94                 it2 = getNextSibling( it );
  95                 it->parent()->removeChild( it );
  96                 it = it2;
  97             }
  98         }
  99         else
 100         {
 101             it = getNextVisibleItem( it );
 102         }
 103     }
 104     vlc_mutex_unlock( &getIntf()->p_sys->p_playlist->object_lock );
 105 }
 106
 107 void Playtree::action( VarTree *pItem )
 108 {
 109     vlc_mutex_lock( &m_pPlaylist->object_lock );
 110     VarTree::Iterator it;
 111
 112     playlist_item_t *p_item = (playlist_item_t *)pItem->m_pData;
 113     playlist_item_t *p_parent = p_item;
 114     while( p_parent )
 115     {
 116         if( p_parent == m_pPlaylist->p_root_category )
 117             break;
 118         p_parent = p_parent->p_parent;
 119     }
 120
 121     if( p_parent )
 122     {
 123         playlist_Control( m_pPlaylist, PLAYLIST_VIEWPLAY, p_parent, p_item );
 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->p_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(),
 189                                           p_item->p_input->psz_name );
 190             node->add( p_add->i_item, UStringPtr( pName ),
 191                       false,false, false, p_item->i_flags & PLAYLIST_RO_FLAG,
 192                       p_item );
 193         }
 194     }
 195     tree_update descr;
 196     descr.i_id = p_add->i_item;
 197     descr.i_parent = p_add->i_node;
 198     descr.b_visible = node->m_expanded;
 199     descr.i_type = 2;
 200     notify( &descr );
 201 }
 202
 203 void Playtree::buildNode( playlist_item_t *pNode, VarTree &rTree )
 204 {
 205     for( int i = 0; i < pNode->i_children; i++ )
 206     {
 207         UString *pName = new UString( getIntf(),
 208                                    pNode->pp_children[i]->p_input->psz_name );
 209         rTree.add( pNode->pp_children[i]->p_input->i_id, UStringPtr( pName ),
 210                      false,
 211                      m_pPlaylist->status.p_item == pNode->pp_children[i],
 212                      false, pNode->pp_children[i]->i_flags & PLAYLIST_RO_FLAG,
 213                      pNode->pp_children[i] );
 214         if( pNode->pp_children[i]->i_children )
 215         {
 216             buildNode( pNode->pp_children[i], rTree.back() );
 217         }
 218     }
 219 }
 220
 221 void Playtree::buildTree()
 222 {
 223     clear();
 224     vlc_mutex_lock( &m_pPlaylist->object_lock );
 225
 226     i_items_to_append = 0;
 227
 228     clear();
 229
 230     /* TODO: Let user choose view - Stick with category ATM */
 231
 232     /* Set the root's name */
 233     UString *pName = new UString( getIntf(),
 234                              m_pPlaylist->p_root_category->p_input->psz_name );
 235     m_cString = UStringPtr( pName );
 236
 237     buildNode( m_pPlaylist->p_root_category, *this );
 238
 239     vlc_mutex_unlock( &m_pPlaylist->object_lock );
 240 //  What is it ?
 241 //    checkParents( NULL );
 242 }
 243