/* libppt - library to read PowerPoint presentation
   Copyright (C) 2005 Yolla Indria <yolla.indria@gmail.com>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA
*/

#ifndef LIBPPT_PRESENTATION
#define LIBPPT_PRESENTATION


namespace Libppt
{

class Slide;

class Presentation
{
public:

  /*
   * Constructs a new presentation.
   */  
  Presentation();
  
  /*
   * Destroys the presentation.
   */  
  ~Presentation();
  
  /*
   * Clears the presentation, i.e. makes it as if it is just constructed.
   */  
  void clear();
  
  /*
   * Loads the presentation file. Returns false if error occurred.
   */
  bool load( const char* filename );

  /*
   * Appends a new slide.
   */
  void appendSlide( Slide* slide );

  /*
   * Returns the number of slides in this presentation. A newly created
   * presentation has no slide, i.e. slideCount() returns 0.
   */
  unsigned slideCount() const;

  /*
   * Returns a slide at given index. If index is invalid (e.g. larger
   * than total number of slides), this function returns NULL.
   */

  Slide* slide( unsigned index );

  Slide* masterSlide();
  void setMasterSlide( Slide* master );

private:
  // no copy or assign
  Presentation( const Presentation& );
  Presentation& operator=( const Presentation& );
  
  class Private;
  Private* d;
};


}

#endif /* LIBPPT_PRESENTATION */