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_DeleteFromItemId( getIntf()->p_sys->p_playlist,
  84                                            p_item->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
 111     playlist_item_t *p_item = (playlist_item_t *)pItem->m_pData;
 112     playlist_item_t *p_parent = p_item;
 113     while( p_parent )
 114     {
 115         if( p_parent == m_pPlaylist->p_root_category )
 116             break;
 117         p_parent = p_parent->p_parent;
 118     }
 119
 120     if( p_parent )
 121     {
 122         playlist_Control( m_pPlaylist, PLAYLIST_VIEWPLAY, p_parent, p_item );
 123     }
 124     vlc_mutex_unlock( &m_pPlaylist->object_lock );
 125 }
 126
 127 void Playtree::onChange()
 128 {
 129     buildTree();
 130     tree_update descr;
 131     descr.i_type = 1;
 132     notify( &descr );
 133 }
 134
 135 void Playtree::onUpdateItem( int id )
 136 {
 137     Iterator it = findById( id );
 138     tree_update descr;
 139     descr.b_active_item = false;
 140     if( it != end() )
 141     {
 142         // Update the item
 143         playlist_item_t* pNode = (playlist_item_t*)(it->m_pData);
 144         UString *pName = new UString( getIntf(), pNode->p_input->psz_name );
 145         it->m_cString = UStringPtr( pName );
 146         it->m_playing = m_pPlaylist->status.p_item == pNode;
 147         if( it->m_playing ) descr.b_active_item = true;
 148     }
 149     else
 150     {
 151         msg_Warn(getIntf(), "cannot find node with id %d", id );
 152     }
 153     descr.i_type = 0;
 154     notify( &descr );
 155 }
 156
 157 /// \todo keep a list of "recently removed" to avoid looking up if we
 158 //  already removed it
 159 void Playtree::onDelete( int i_id )
 160 {
 161     tree_update descr;
 162     descr.i_id = i_id;
 163     descr.i_type = 3;
 164     Iterator item = findById( i_id ) ;
 165     if( item != end() )
 166     {
 167         if( item->parent() )
 168             item->parent()->removeChild( item );
 169         descr.b_visible = item->parent() ? true : item->parent()->m_expanded;
 170         notify( &descr );
 171     }
 172 }
 173
 174 void Playtree::onAppend( playlist_add_t *p_add )
 175 {
 176     i_items_to_append --;
 177
 178     Iterator node = findById( p_add->i_node );
 179     if( node != end() )
 180     {
 181         Iterator item =  findById( p_add->i_item );
 182         if( item == end() )
 183         {
 184             playlist_item_t *p_item = playlist_ItemGetById(
 185                                         m_pPlaylist, p_add->i_item );
 186             if( !p_item ) return;
 187             UString *pName = new UString( getIntf(),
 188                                           p_item->p_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]->p_input->psz_name );
 208         rTree.add( pNode->pp_children[i]->p_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     clear();
 228
 229     /* TODO: Let user choose view - Stick with category ATM */
 230
 231     /* Set the root's name */
 232     UString *pName = new UString( getIntf(),
 233                              m_pPlaylist->p_root_category->p_input->psz_name );
 234     m_cString = UStringPtr( pName );
 235
 236     buildNode( m_pPlaylist->p_root_category, *this );
 237
 238     vlc_mutex_unlock( &m_pPlaylist->object_lock );
 239 //  What is it ?
 240 //    checkParents( NULL );
 241 }
 242