File indexing completed on 2024-05-05 04:48:44

 /****************************************************************************************
  * Copyright (c) 2009 Téo Mrnjavac <teo@kde.org>                                        *
  *                                                                                      *
  * This program is free software; you can redistribute it and/or modify it under        *
  * the terms of the GNU General Public License as published by the Free Software        *
  * Foundation; either version 2 of the License, or (at your option) any later           *
  * version.                                                                             *
  *                                                                                      *
  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
  *                                                                                      *
  * You should have received a copy of the GNU General Public License along with         *
  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #include "PlaylistModelStack.h"
 
 #include "core/support/Debug.h"
 #include "PlaylistActions.h"
 #include "amarokconfig.h"
 
 
 namespace The
 {
     AMAROK_EXPORT Playlist::AbstractModel* playlist()
     {
         return Playlist::ModelStack::instance()->groupingProxy();
     }
 }
 
 namespace Playlist
 {
 
 ModelStack* ModelStack::s_instance = nullptr;
 
 ModelStack*
 ModelStack::instance()
 {
     if( s_instance == nullptr )
         s_instance = new ModelStack();
     return s_instance;
 }
 
 void
 ModelStack::destroy()
 {
     if( s_instance )
     {
         delete s_instance;
         s_instance = nullptr;
     }
 }
 
 ModelStack::ModelStack()
     : QObject()
 {
     DEBUG_BLOCK
     m_model = new Model( this );
     m_sortfilter = new SortFilterProxy( m_model, this );
     m_search = new SearchProxy( m_sortfilter, this );
     m_grouping = new GroupingProxy( m_search, this );
 }
 
 ModelStack::~ModelStack()
 {
     delete m_grouping;
     delete m_search;
     delete m_sortfilter;
     delete m_model;
 }
 
 GroupingProxy *
 ModelStack::groupingProxy()
 {
     return m_grouping;
 }
 
 SortFilterProxy *
 ModelStack::sortProxy()
 {
     return m_sortfilter;
 }
 
 SortFilterProxy *
 ModelStack::filterProxy()
 {
     return m_sortfilter;
 }
 
 Playlist::Model *
 ModelStack::bottom()
 {
     return m_model;
 }
 
 }   //namespace Playlist