/*****************************************************************************
 * playtree.hpp
 *****************************************************************************
 * Copyright (C) 2005 the VideoLAN team
 * $Id$
 *
 * 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 <vlc_playlist.h>
#include "../utils/var_tree.hpp"

#include <map>

/// 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( bool b_active );

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

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

    ///
    void onUpdateSlider();

    ///
    void insertItems( VarTree& item, const std::list<std::string>& files, bool start );

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

    ///
    std::map< int, VarTree* > m_allItems;

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

    /// Retrieve an iterator from playlist_item_t->id
    Iterator findById( int id );

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

    /// title for an item
    UString* getTitle( input_item_t *pItem );
};

#endif