src/SUIT/SUIT_Session.h

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// Copyright (C) 2007-2011  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef SUIT_SESSION_H
#define SUIT_SESSION_H

#include "SUIT.h"
#include "SUIT_Application.h"

#include <QList>
#include <QObject>
#include <QString>

#ifdef WIN32
#include <windows.h>
#endif

#ifdef WIN32
#define LIB_HANDLE HINSTANCE
#else
#define LIB_HANDLE void*
#endif

class SUIT_ResourceMgr;
class SUIT_ExceptionHandler;

#ifdef WIN32
#pragma warning( disable:4251 )
#endif

class SUIT_EXPORT SUIT_Session : public QObject
{
  Q_OBJECT

public:
  typedef LIB_HANDLE AppLib;

  enum { ASK = 0, SAVE, DONT_SAVE } CloseMode;
  enum { NORMAL = 0, FORCED } ExitStatus;

public:
  SUIT_Session();
  virtual ~SUIT_Session();

  static SUIT_Session*         session();

  SUIT_Application*            startApplication( const QString&, int = 0, char** = 0 );

  QList<SUIT_Application*>     applications() const;
  SUIT_Application*            activeApplication() const;

  SUIT_ResourceMgr*            resourceMgr() const;

  void                         closeSession( int mode = ASK, int flags = 0 );
  int                          exitFlags() const;

  SUIT_ExceptionHandler*       handler() const;

  void                         insertApplication( SUIT_Application* );

signals:
  void                         applicationClosed( SUIT_Application* );

protected:
  virtual SUIT_ResourceMgr*    createResourceMgr( const QString& ) const;

private slots:
  void                         onApplicationClosed( SUIT_Application* );
  void                         onApplicationActivated( SUIT_Application* ); 

private:
  typedef QList<SUIT_Application*> AppList;
  typedef QMap<QString, AppLib>    AppLibMap;

private:
  QString                      lastError() const;
  AppLib                       loadLibrary( const QString&, QString& );
  QString                      applicationName( const QString& ) const;

private:
  SUIT_ResourceMgr*            myResMgr;
  AppList                      myAppList;
  AppLibMap                    myAppLibs;
  SUIT_Application*            myActiveApp;

  SUIT_ExceptionHandler*       myHandler;
  static SUIT_Session*         mySession;

  int                          myExitStatus;
  int                          myExitFlags;
};

#endif