#ifndef HTMLVIEWER_H
#define HTMLVIEWER_H

//$Id: HTMLViewer.h,v 1.13 2006/06/05 20:06:21 markus Rel $

// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


#if defined HAVE_GTKHTML || defined HAVE_GTKMOZEMBED
#define HAVE_VIEWER

#include <string>
#include <stdexcept>


namespace Gtk {
    class ScrolledWindow;
}

#include <XGP/XDialog.h>


namespace XGP {

/**Helper class to display a HTML document in a dialog.
 *
 * Uses GTKHTML or GtkMozEmbed to display the HTML code.
 */
class HTMLViewer : public XDialog {
 public:
   class CreateError : public std::runtime_error {
    public:
      CreateError (const std::string& what) : std::runtime_error (what) { }
   };

   /// Supported widgets to display HTML
   typedef enum { GTKHTML, GTKMOZEMBED, LAST } widgetTypes;

   virtual ~HTMLViewer ();

   static HTMLViewer* create (const std::string& file, const Glib::ustring& title,
			      widgetTypes type) throw (CreateError);
   void display (const std::string& file);

 protected:
   HTMLViewer (const std::string& file, const Glib::ustring& title,
	       widgetTypes type) throw (CreateError);

 private:
   HTMLViewer (const HTMLViewer&);
   const HTMLViewer& operator= (const HTMLViewer&);

   int _display (const std::string file);

   GtkWidget*  htmlCtrl;
   widgetTypes _type;
};

}

#endif // HAVE_GTKHTML || HAVE_GTKMOZEMBED

#endif