src/SUIT/SUIT_Session.h

   1 #ifndef SUIT_SESSION_H
   2 #define SUIT_SESSION_H
   3
   4 #include "SUIT.h"
   5
   6 #include "SUIT_Application.h"
   7 #include "SUIT_ResourceMgr.h"
   8
   9 #include <qobject.h>
  10 #include <qptrlist.h>
  11 #include <qptrvector.h>
  12 #include <qstringlist.h>
  13
  14 #ifdef WIN32
  15 #define LIB_HANDLE HINSTANCE
  16 #else
  17 #define LIB_HANDLE void*
  18 #endif
  19
  20 class SUIT_ResourceMgr;
  21 class SUIT_ExceptionHandler;
  22
  23 #ifdef WNT
  24 #pragma warning( disable:4251 )
  25 #endif
  26 /*!
  27   The class Sesssion manages launching of Applications. Application must be returned \n
  28   by static function "createApplication" in external library. The Library must be loaded with \n
  29   loadLibrary method and after that application can be started.
  30 */
  31 class SUIT_EXPORT SUIT_Session: public QObject
  32 {
  33   Q_OBJECT
  34
  35 public:
  36   typedef LIB_HANDLE AppLib;
  37
  38   enum { ASK = 0, SAVE, DONT_SAVE } CloseMode;
  39   enum { FROM_GUI = 0, FROM_CORBA_SESSION } ExitStatus;
  40
  41 public:
  42   SUIT_Session();
  43   virtual ~SUIT_Session();
  44
  45   static SUIT_Session*         session();
  46
  47   SUIT_Application*            startApplication( const QString&, int = 0, char** = 0 );
  48
  49   QPtrList<SUIT_Application>   applications() const;
  50   SUIT_Application*            activeApplication() const;
  51
  52   SUIT_ResourceMgr*            resourceMgr() const;
  53
  54   void                         closeSession( int mode = ASK );
  55
  56   SUIT_ExceptionHandler*       handler() const;
  57
  58 signals:
  59   void                         applicationClosed( SUIT_Application* );
  60
  61 protected:
  62   virtual SUIT_ResourceMgr*    createResourceMgr( const QString& ) const;
  63
  64 private slots:
  65   void                         onApplicationClosed( SUIT_Application* );
  66   void                         onApplicationActivated( SUIT_Application* );
  67
  68 private:
  69   typedef QPtrList<SUIT_Application>         AppList;
  70   typedef QMap<QString, AppLib>              AppLibMap;
  71   typedef QPtrListIterator<SUIT_Application> AppListIterator;
  72
  73 private:
  74   QString                      lastError() const;
  75   AppLib                       loadLibrary( const QString& );
  76   QString                      applicationName( const QString& ) const;
  77
  78 private:
  79   SUIT_ResourceMgr*            myResMgr;
  80   AppList                      myAppList;
  81   AppLibMap                    myAppLibs;
  82   SUIT_Application*            myActiveApp;
  83
  84   SUIT_ExceptionHandler*       myHandler;
  85   static SUIT_Session*         mySession;
  86
  87   int                          myExitStatus;
  88 };
  89
  90 #endif