--- /dev/null
+// Copyright (c) 2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <AIS_InteractiveContext.hxx>
+#include <TopoDS_Shape.hxx>
+#include <V3d_Viewer.hxx>
+#include <V3d_View.hxx>
+
+//! Main C++ back-end for activity.
+class OcctJni_Viewer
+{
+
+public:
+
+ //! Empty constructor
+ OcctJni_Viewer();
+
+ //! Initialize the viewer
+ bool init();
+
+ //! Release the viewer
+ void release();
+
+ //! Resize the viewer
+ void resize (int theWidth,
+ int theHeight);
+
+ //! Open CAD file
+ bool open (const TCollection_AsciiString& thePath);
+
+ //! Take snapshot
+ bool saveSnapshot (const TCollection_AsciiString& thePath,
+ int theWidth = 0,
+ int theHeight = 0);
+
+ //! Viewer update.
+ void redraw();
+
+ //! Move camera
+ void setProj (V3d_TypeOfOrientation theProj) { if (!myView.IsNull()) myView->SetProj (theProj); }
+
+ //! Fit All.
+ void fitAll();
+
+ //! Start rotation (remember first point position)
+ void startRotation (int theStartX,
+ int theStartY);
+
+ //! Perform rotation (relative to first point)
+ void onRotation (int theX,
+ int theY);
+
+ //! Perform panning
+ void onPanning (int theDX,
+ int theDY);
+
+ //! Perform selection
+ void onClick (int theX,
+ int theY);
+
+ //! Stop previously started action
+ void stopAction();
+
+protected:
+
+ //! Reset viewer content.
+ void initContent();
+
+protected:
+
+ Handle(V3d_Viewer) myViewer;
+ Handle(V3d_View) myView;
+ Handle(AIS_InteractiveContext) myContext;
+ TopoDS_Shape myShape;
+
+};