020749: EDF 1291 SMESH : Create 2D Mesh from 3D improvement

[modules/smesh.git] / src / SMESH / SMESH_subMeshEventListener.hxx

diff --git a/src/SMESH/SMESH_subMeshEventListener.hxx b/src/SMESH/SMESH_subMeshEventListener.hxx
index 1eb216cf6604cb380d5a9ab370fa41774bdd7e6a..c259b9f0e85cfec1b628f710a022b48d59281d2f 100644 (file)
--- a/src/SMESH/SMESH_subMeshEventListener.hxx
+++ b/src/SMESH/SMESH_subMeshEventListener.hxx
@@ -1,37 +1,36 @@
-//  SMESH SMESH : implementaion of SMESH idl descriptions
+//  Copyright (C) 2007-2010  CEA/DEN, EDF R&D, OPEN CASCADE
 //
-//  Copyright (C) 2003  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
+//  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
 //
-// File      : SMESH_subMeshEventListener.hxx
-// Created   : Mon Nov 13 10:45:49 2006
-// Author    : Edward AGAPOV (eap)
-
 
+// File    : SMESH_subMeshEventListener.hxx
+// Created : Mon Nov 13 10:45:49 2006
+// Author  : Edward AGAPOV (eap)
+//
 #ifndef SMESH_subMeshEventListener_HeaderFile
 #define SMESH_subMeshEventListener_HeaderFile
 
 #include "SMESH_SMESH.hxx"
 
 #include <list>
+#include <set>
 
 class  SMESH_subMesh;
 class  SMESH_Hypothesis;
@@ -43,8 +42,11 @@ struct SMESH_subMeshEventListenerData;
  */
 // ------------------------------------------------------------------
 
-class SMESH_EXPORT SMESH_subMeshEventListener {
+class SMESH_EXPORT SMESH_subMeshEventListener
+{
   bool myIsDeletable; //!< if true, it will be deleted by SMESH_subMesh
+  mutable std::set<SMESH_subMesh*> myBusySM; //!< to avoid infinite recursion via events
+  friend class SMESH_subMesh;
 public:
   SMESH_subMeshEventListener(bool isDeletable):myIsDeletable(isDeletable) {}
   bool IsDeletable() const { return myIsDeletable; }
@@ -56,9 +58,9 @@ public:
    * \param data - listener data stored in the subMesh
    * \param hyp - hypothesis, if eventType is algo_event
    * 
-   * The base implementation translates CLEAN event to the subMesh stored
-   * in the listener data. Also it sends SUBMESH_COMPUTED event in case of
-   * successful COMPUTE event.
+   * The base implementation (see SMESH_subMesh.cxx) translates CLEAN event
+   * to the subMesh stored in the listener data. Also it sends SUBMESH_COMPUTED
+   * event in case of successful COMPUTE event.
    */
   virtual void ProcessEvent(const int          event,
                             const int          eventType,
@@ -81,6 +83,7 @@ struct SMESH_subMeshEventListenerData
                                          // on the one storing this data
 public:
   SMESH_subMeshEventListenerData(bool isDeletable):myIsDeletable(isDeletable) {}
+  virtual ~SMESH_subMeshEventListenerData() {}
   bool IsDeletable() const { return myIsDeletable; }
 
   /*!