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 51a79a9c27f20d2c4e01838eb590d302875b5a15..c259b9f0e85cfec1b628f710a022b48d59281d2f 100644 (file)
--- a/src/SMESH/SMESH_subMeshEventListener.hxx
+++ b/src/SMESH/SMESH_subMeshEventListener.hxx
@@ -1,4 +1,4 @@
-//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
+//  Copyright (C) 2007-2010  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
@@ -19,10 +19,10 @@
 //
 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
-//  SMESH SMESH : implementaion of SMESH idl descriptions
-// 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
@@ -30,6 +30,7 @@
 #include "SMESH_SMESH.hxx"
 
 #include <list>
+#include <set>
 
 class  SMESH_subMesh;
 class  SMESH_Hypothesis;
@@ -41,8 +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; }
@@ -54,9 +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,
@@ -79,6 +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; }
 
   /*!