/*****************************************************************************
 * playtree.hpp
 *****************************************************************************
 * Copyright (C) 2005 the VideoLAN team
 * $Id: 0c1a2ad742e0d929875a0203e1c4210974e7e6b6 $
 *
 * Authors: Antoine Cellerier <dionoea@videolan.org>
 *          Clément Stenac <zorglub@videolan.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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifndef PLAYTREE_HPP
#define PLAYTREE_HPP

#include "../utils/var_tree.hpp"

/// Variable for VLC playlist (new tree format)
class Playtree: public VarTree
{
public:
    Playtree( intf_thread_t *pIntf );
    virtual ~Playtree();

    /// Remove the selected elements from the list
    virtual void delSelected();

    /// Execute the action associated to this item
    virtual void action( VarTree *pItem );

    /// Function called to notify playlist changes
    void onChange();

    /// Function called to notify playlist item update
    void onUpdateItem( int id );

    /// Function called to notify about current playing item
    void onUpdateCurrent( );

    /// Function called to notify playlist item append
    void onAppend( playlist_add_t * );

    /// Function called to notify playlist item delete
    void onDelete( int );

    /// Items waiting to be appended
    int i_items_to_append;

private:
    /// VLC playlist object
    playlist_t *m_pPlaylist;

    /// Build the list from the VLC playlist
    void buildTree();

    /// Update Node's children
    void buildNode( playlist_item_t *p_node, VarTree &m_pNode );

    /// keep track of item being played
    Iterator m_playingIt;
};

#endif
