--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Applications/Sdl/BasicSdlApplicationContext.h	Tue Jun 12 17:21:15 2018 +0200
@@ -0,0 +1,91 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "../../Framework/Viewport/WidgetViewport.h"
+#include "../../Framework/Volumes/ISlicedVolume.h"
+#include "../../Framework/Volumes/IVolumeLoader.h"
+#include "../../Framework/Widgets/IWorldSceneInteractor.h"
+#include "../../Platforms/Generic/OracleWebService.h"
+
+#include <list>
+#include <boost/thread.hpp>
+#include "../BasicApplicationContext.h"
+
+namespace OrthancStone
+{
+  class BasicSdlApplicationContext : public BasicApplicationContext
+  {
+  private:
+
+    static void UpdateThread(BasicSdlApplicationContext* that);
+
+    Oracle              oracle_;
+    OracleWebService    webService_;
+    boost::mutex        viewportMutex_;
+    WidgetViewport      centralViewport_;
+    boost::thread       updateThread_;
+    bool                stopped_;
+    unsigned int        updateDelay_;
+
+  public:
+    class ViewportLocker : public boost::noncopyable
+    {
+    private:
+      boost::mutex::scoped_lock  lock_;
+      IViewport&                 viewport_;
+
+    public:
+      ViewportLocker(BasicSdlApplicationContext& that) :
+        lock_(that.viewportMutex_),
+        viewport_(that.centralViewport_)
+      {
+      }
+
+      IViewport& GetViewport() const
+      {
+        return viewport_;
+      }
+    };
+
+    
+    BasicSdlApplicationContext(Orthanc::WebServiceParameters& orthanc);
+
+    virtual ~BasicSdlApplicationContext() {}
+
+    virtual IWidget& SetCentralWidget(IWidget* widget);   // Takes ownership
+
+    virtual IWebService& GetWebService()
+    {
+      return webService_;
+    }
+    
+    void Start();
+
+    void Stop();
+
+    void SetUpdateDelay(unsigned int delay)  // In milliseconds
+    {
+      updateDelay_ = delay;
+    }
+  };
+}