1 // SALOME Session : implementation of Session.idl
3 // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
24 // File : SALOME_Session_i.cxx
25 // Author : Paul RASCLE, EDF
29 #include "utilities.h"
31 #include "Session_Session_i.hxx"
33 #include "SALOME_NamingService.hxx"
34 #include "SALOME_Event.hxx"
36 #include "SUIT_Session.h"
37 #include "SUIT_Application.h"
39 #include <qapplication.h>
41 // Open CASCADE Includes
42 #include <OSD_SharedLibrary.hxx>
43 #include <OSD_LoadMode.hxx>
44 #include <OSD_Function.hxx>
51 SALOME_Session_i::SALOME_Session_i(int argc,
54 PortableServer::POA_ptr poa,
56 QWaitCondition* GUILauncher)
62 _orb = CORBA::ORB::_duplicate(orb) ;
63 _poa = PortableServer::POA::_duplicate(poa) ;
65 _GUILauncher = GUILauncher;
66 //MESSAGE("constructor end");
70 returns Visu component
72 Engines::Component_ptr SALOME_Session_i::GetComponent(const char* theLibraryName)
74 typedef Engines::Component_ptr TGetImpl(CORBA::ORB_ptr,
75 PortableServer::POA_ptr,
76 SALOME_NamingService*,QMutex*);
77 OSD_SharedLibrary aSharedLibrary(const_cast<char*>(theLibraryName));
78 if(aSharedLibrary.DlOpen(OSD_RTLD_LAZY))
79 if(OSD_Function anOSDFun = aSharedLibrary.DlSymb("GetImpl"))
80 return ((TGetImpl (*)) anOSDFun)(_orb,_poa,_NS,_GUIMutex);
81 return Engines::Component::_nil();
87 SALOME_Session_i::~SALOME_Session_i()
89 //MESSAGE("destructor end");
93 tries to find the Corba Naming Service and to register the session,
94 gives naming service interface to _IAPPThread
96 void SALOME_Session_i::NSregister()
98 SALOME::Session_ptr pSession = SALOME::Session::_narrow(_this());
101 _NS = new SALOME_NamingService(_orb);
102 _NS->Register(pSession, "/Kernel/Session");
104 catch (ServiceUnreachable&)
106 INFOS("Caught exception: Naming Service Unreachable");
111 INFOS("Caught unknown exception from Naming Service");
113 //MESSAGE("Session registered in Naming Service");
117 Launches the GUI if there is none.
118 The Corba method is oneway (corba client does'nt wait for GUI completion)
120 void SALOME_Session_i::GetInterface()
124 if ( !SUIT_Session::session() )
126 _GUILauncher->wakeAll();
127 MESSAGE("SALOME_Session_i::GetInterface() called, starting GUI...")
132 Kills the session if there are no active studies nore GUI
134 class CloseEvent : public SALOME_Event
137 virtual void Execute() {
138 SUIT_Session* session = SUIT_Session::session();
139 session->closeSession( SUIT_Session::DONT_SAVE );
140 //if ( SUIT_Application::getDesktop() )
141 // QAD_Application::getDesktop()->closeDesktop( true );
146 Processes event to close session
148 void SALOME_Session_i::StopSession()
150 ProcessVoidEvent( new CloseEvent() );
154 Send a SALOME::StatSession structure (see idl) to the client
155 (number of running studies and presence of GUI)
160 QtLock() { if ( qApp ) qApp->lock(); }
161 ~QtLock() { if ( qApp ) qApp->unlock(); }
165 SALOME::StatSession SALOME_Session_i::GetStatSession()
167 // update Session state
173 _isGUI = SUIT_Session::session();
174 if ( _isGUI && SUIT_Session::session()->activeApplication() )
175 _runningStudies = SUIT_Session::session()->activeApplication()->getNbStudies();
181 SALOME::StatSession_var myStats = new SALOME::StatSession ;
183 myStats->state = SALOME::running ;
185 myStats->state = SALOME::asleep ;
186 myStats->runningStudies = _runningStudies ;
187 myStats->activeGUI = _isGUI ;
188 return myStats._retn() ;
191 CORBA::Long SALOME_Session_i::GetActiveStudyId()
194 if ( SUIT_Session::session() && SUIT_Session::session()->activeApplication() ) {
195 if ( SUIT_Session::session()->activeApplication()->activeStudy() ) // mkr : IPAL12128
196 aStudyId = SUIT_Session::session()->activeApplication()->activeStudy()->id();
201 bool SALOME_Session_i::restoreVisualState(CORBA::Long theSavePoint)
203 class TEvent: public SALOME_Event {
206 TEvent(int savePoint) { _savePoint = savePoint; }
207 virtual void Execute() {
208 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
210 study->restoreState(_savePoint);
215 if(SUIT_Session::session() && SUIT_Session::session()->activeApplication() ) {
216 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
217 if(!study) SUIT_Session::session()->activeApplication()->createEmptyStudy();
218 ProcessVoidEvent( new TEvent(theSavePoint) );