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 "SALOME_Session_i.hxx"
32 #include "SALOME_NamingService.hxx"
33 #include "SALOME_Event.hxx"
35 #include "QAD_Application.h"
36 #include "QAD_Desktop.h"
37 #include <qapplication.h>
39 // Open CASCADE Includes
40 #include <OSD_SharedLibrary.hxx>
41 #include <OSD_LoadMode.hxx>
42 #include <OSD_Function.hxx>
45 //=============================================================================
49 //=============================================================================
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");
69 //=============================================================================
71 * returns Visu component
73 //=============================================================================
75 Engines::Component_ptr SALOME_Session_i::GetVisuComponent()
77 //MESSAGE("SALOME_Session_i::GetVisuGen");
78 typedef Engines::Component_ptr TGetImpl(CORBA::ORB_ptr,
79 PortableServer::POA_ptr,
80 SALOME_NamingService*,QMutex*);
81 OSD_SharedLibrary aSharedLibrary("libVISUEngineImpl.so");
82 if(aSharedLibrary.DlOpen(OSD_RTLD_LAZY))
83 if(OSD_Function anOSDFun = aSharedLibrary.DlSymb("GetImpl"))
84 return ((TGetImpl (*)) anOSDFun)(_orb,_poa,_NS,_GUIMutex);
85 return Engines::Component::_nil();
88 //=============================================================================
92 //=============================================================================
94 SALOME_Session_i::~SALOME_Session_i()
96 //MESSAGE("destructor end");
99 //=============================================================================
101 * tries to find the Corba Naming Service and to register the session,
102 * gives naming service interface to _IAPPThread
104 //=============================================================================
106 void SALOME_Session_i::NSregister()
108 SALOME::Session_ptr pSession = SALOME::Session::_narrow(_this());
111 _NS = new SALOME_NamingService(_orb);
112 _NS->Register(pSession, "/Kernel/Session");
114 catch (ServiceUnreachable&)
116 INFOS("Caught exception: Naming Service Unreachable");
121 INFOS("Caught unknown exception from Naming Service");
123 //MESSAGE("Session registered in Naming Service");
126 //=============================================================================
128 * Launches the GUI if there is none.
129 * The Corba method is oneway (corba client does'nt wait for GUI completion)
131 //=============================================================================
133 void SALOME_Session_i::GetInterface()
135 if( !QAD_Application::getDesktop() ) {
136 _GUILauncher->wakeAll();
137 MESSAGE("SALOME_Session_i::GetInterface() called, starting GUI...")
141 //=============================================================================
143 * Kills the session if there are no active studies nore GUI
145 //=============================================================================
146 class CloseEvent : public SALOME_Event
149 virtual void Execute() {
150 if ( QAD_Application::getDesktop() )
151 QAD_Application::getDesktop()->closeDesktop( true );
155 void SALOME_Session_i::StopSession()
157 ProcessVoidEvent( new CloseEvent() );
160 //=============================================================================
162 * Send a SALOME::StatSession structure (see idl) to the client
163 * (number of running studies and presence of GUI)
165 //=============================================================================
170 QtLock() { if ( qApp ) qApp->lock(); }
171 ~QtLock() { if ( qApp ) qApp->unlock(); }
175 SALOME::StatSession SALOME_Session_i::GetStatSession()
177 // update Session state
183 _isGUI = QAD_Application::getDesktop();
184 if ( _isGUI && QAD_Application::getDesktop()->getActiveApp() )
185 _runningStudies = QAD_Application::getDesktop()->getActiveApp()->getStudies().count();
191 SALOME::StatSession_var myStats = new SALOME::StatSession ;
193 myStats->state = SALOME::running ;
195 myStats->state = SALOME::asleep ;
196 myStats->runningStudies = _runningStudies ;
197 myStats->activeGUI = _isGUI ;
198 return myStats._retn() ;
201 CORBA::Long SALOME_Session_i::GetActiveStudyId()
204 if( QAD_Application::getDesktop() && QAD_Application::getDesktop()->getActiveStudy()) {
205 aStudyId = QAD_Application::getDesktop()->getActiveStudy()->getStudyId();