/****************************************************************************
*
*                       wxWindows HTML Applet Package
*
*               Copyright (C) 1991-2001 SciTech Software, Inc.
*                            All rights reserved.
*
*  ======================================================================
*  |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
*  |                                                                    |
*  |This copyrighted computer code is a proprietary trade secret of     |
*  |SciTech Software, Inc., located at 505 Wall Street, Chico, CA 95928 |
*  |USA (www.scitechsoft.com).  ANY UNAUTHORIZED POSSESSION, USE,       |
*  |VIEWING, COPYING, MODIFICATION OR DISSEMINATION OF THIS CODE IS     |
*  |STRICTLY PROHIBITED BY LAW.  Unless you have current, express       |
*  |written authorization from SciTech to possess or use this code, you |
*  |may be subject to civil and/or criminal penalties.                  |
*  |                                                                    |
*  |If you received this code in error or you would like to report      |
*  |improper use, please immediately contact SciTech Software, Inc. at  |
*  |530-894-8400.                                                       |
*  |                                                                    |
*  |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
*  ======================================================================
*
* Language:     ANSI C++
* Environment:  Any
*
* Description:  Header file for the wxHtmlAppletWindow class
*
****************************************************************************/

#ifndef __WX_APPLET_WINDOW_H
#define __WX_APPLET_WINDOW_H

#include "wx/html/htmlwin.h"

/*--------------------------- Class Definitions ---------------------------*/

// Declare a linked list of wxApplet pointers
class wxApplet;
WX_DECLARE_LIST(wxApplet, wxAppletList);

/****************************************************************************
MEMBERS:
appletModules   - List of register applet modules   
appletList      - List of all active applets instances
cookies         - Hash table for managing cookies       

REMARKS:
Defines the class for wxAppletWindow. This class is derived from the
wxHtmlWindow class and extends it with functionality to handle embedded
wxApplet's on the HTML pages.
****************************************************************************/
class wxHtmlAppletWindow : public wxHtmlWindow {
private:
    DECLARE_CLASS(wxHtmlAppletWindow);
    DECLARE_EVENT_TABLE();
    
protected:
    wxAppletList    m_AppletList;       
    wxHashTable     m_Cookies;
        
public:
            // Constructor
            wxHtmlAppletWindow(
                wxWindow *parent,
                wxWindowID id = -1,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxHW_SCROLLBAR_AUTO,
                const wxString& name = "htmlAppletWindow");
                
            // Destructor
            ~wxHtmlAppletWindow();
    
            // Create an instance of an applet based on it's class name
            wxApplet *CreateApplet(
                const wxString& className,          
                const wxSize& size);
                
            // Find an instance of an applet based on it's class name
            wxApplet *FindApplet(const wxString& className);            
            
            // Remove an applet from the window. Called during applet destruction
            bool RemoveApplet(const wxApplet *applet);          

            // Load a new URL page
            bool LoadPage(const wxString& hRef);
            
            // Called when users clicked on hypertext link.
            void OnLinkClicked(const wxHtmlLinkInfo& link);
            
            // Handles forward navigation within the HTML stack
            bool HistoryForward();
            
            // Handles backwards navigation within the HTML stack
            bool HistoryBack();
            
            // Broadcast a message to all applets on the page
            void SendMessage(wxEvent& msg);
            
            // Register a cookie of data in the applet manager
            bool RegisterCookie(const wxString& name,wxObject *cookie);
            
            // UnRegister a cookie of data in the applet manager
            bool UnRegisterCookie(const wxString& name);
            
            // Find a cookie of data given it's public name
            wxObject *FindCookie(const wxString& name);
    };
    
#endif // __WX_APPLET_WINDOW_H