--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/SmartLoader.cpp	Tue Jul 17 14:43:42 2018 +0200
@@ -0,0 +1,51 @@
+/**
+ * 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/>.
+ **/
+
+
+#include "SmartLoader.h"
+#include "Layers/OrthancFrameLayerSource.h"
+
+namespace OrthancStone
+{
+  SmartLoader::SmartLoader(MessageBroker& broker, IWebService& webService) :
+    IObservable(broker),
+    IObserver(broker),
+    imageQuality_(SliceImageQuality_FullPam),
+    webService_(webService)
+  {}
+
+  void SmartLoader::HandleMessage(IObservable& from, const IMessage& message)
+  {
+    // forward messages to its own observers
+    IObservable::broker_.EmitMessage(from, IObservable::observers_, message);
+  }
+
+  ILayerSource* SmartLoader::GetFrame(const std::string& instanceId, unsigned int frame)
+  {
+    std::auto_ptr<OrthancFrameLayerSource> layerSource (new OrthancFrameLayerSource(IObserver::broker_, webService_));
+    layerSource->SetImageQuality(imageQuality_);
+    layerSource->RegisterObserver(*this);
+    layerSource->LoadFrame(instanceId, frame);
+
+    return layerSource.release();
+  }
+
+
+}