--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Applications/Samples/SimpleViewer/SimpleViewerApplication.h	Thu Oct 11 13:16:54 2018 +0200
@@ -0,0 +1,162 @@
+/**
+ * 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 "Applications/IStoneApplication.h"
+
+#include "Framework/Layers/OrthancFrameLayerSource.h"
+#include "Framework/Layers/CircleMeasureTracker.h"
+#include "Framework/Layers/LineMeasureTracker.h"
+#include "Framework/Widgets/LayerWidget.h"
+#include "Framework/Widgets/LayoutWidget.h"
+#include "Framework/Messages/IObserver.h"
+#include "Framework/SmartLoader.h"
+
+#if ORTHANC_ENABLE_WASM==1
+#include "Platforms/Wasm/WasmPlatformApplicationAdapter.h"
+#include "Platforms/Wasm/Defaults.h"
+#endif
+
+#if ORTHANC_ENABLE_QT==1
+#include "Qt/SimpleViewerMainWindow.h"
+#endif
+
+#include <Core/Logging.h>
+
+#include "ThumbnailInteractor.h"
+#include "MainWidgetInteractor.h"
+#include "AppStatus.h"
+#include "Messages.h"
+
+using namespace OrthancStone;
+
+
+namespace SimpleViewer
+{
+
+  class SimpleViewerApplication :
+      public IStoneApplication,
+      public IObserver,
+      public IObservable
+  {
+  public:
+
+    struct StatusUpdatedMessage : public BaseMessage<SimpleViewerMessageType_AppStatusUpdated>
+    {
+      const AppStatus& status_;
+
+      StatusUpdatedMessage(const AppStatus& status)
+        : BaseMessage(),
+          status_(status)
+      {
+      }
+    };
+
+    enum Tools {
+      Tools_LineMeasure,
+      Tools_CircleMeasure,
+      Tools_Crop,
+      Tools_Windowing,
+      Tools_Zoom,
+      Tools_Pan
+    };
+
+    enum Actions {
+      Actions_Rotate,
+      Actions_Invert
+    };
+
+  private:
+    Tools                           currentTool_;
+    std::unique_ptr<MainWidgetInteractor> mainWidgetInteractor_;
+    std::unique_ptr<ThumbnailInteractor>  thumbnailInteractor_;
+    LayoutWidget*                   mainLayout_;
+    LayoutWidget*                   thumbnailsLayout_;
+    LayerWidget*                    mainWidget_;
+    std::vector<LayerWidget*>       thumbnails_;
+    std::map<std::string, std::vector<std::string>> instancesIdsPerSeriesId_;
+    std::map<std::string, Json::Value> seriesTags_;
+    BaseCommandBuilder              commandBuilder_;
+
+    unsigned int                    currentInstanceIndex_;
+    OrthancStone::WidgetViewport*   wasmViewport1_;
+    OrthancStone::WidgetViewport*   wasmViewport2_;
+
+    IStatusBar*                     statusBar_;
+    std::unique_ptr<SmartLoader>    smartLoader_;
+    std::unique_ptr<OrthancApiClient>      orthancApiClient_;
+
+  public:
+    SimpleViewerApplication(MessageBroker& broker) :
+      IObserver(broker),
+      IObservable(broker),
+      currentTool_(Tools_LineMeasure),
+      mainLayout_(NULL),
+      currentInstanceIndex_(0),
+      wasmViewport1_(NULL),
+      wasmViewport2_(NULL)
+    {
+    }
+
+    virtual void Finalize() {}
+    virtual IWidget* GetCentralWidget() {return mainLayout_;}
+
+    virtual void DeclareStartupOptions(boost::program_options::options_description& options);
+    virtual void Initialize(StoneApplicationContext* context,
+                            IStatusBar& statusBar,
+                            const boost::program_options::variables_map& parameters);
+
+    void OnStudyListReceived(const OrthancApiClient::JsonResponseReadyMessage& message);
+
+    void OnStudyReceived(const OrthancApiClient::JsonResponseReadyMessage& message);
+
+    void OnSeriesReceived(const OrthancApiClient::JsonResponseReadyMessage& message);
+
+    void LoadThumbnailForSeries(const std::string& seriesId, const std::string& instanceId);
+
+    void SelectStudy(const std::string& studyId);
+
+    void OnWidgetGeometryChanged(const LayerWidget::GeometryChangedMessage& message);
+
+    void SelectSeriesInMainViewport(const std::string& seriesId);
+
+    void SelectTool(Tools tool);
+    Tools GetCurrentTool() const {return currentTool_;}
+
+    void ExecuteAction(Actions action);
+
+    virtual std::string GetTitle() const {return "SimpleViewer";}
+    virtual void ExecuteCommand(ICommand& command);
+    virtual BaseCommandBuilder& GetCommandBuilder() {return commandBuilder_;}
+
+
+#if ORTHANC_ENABLE_WASM==1
+    virtual void InitializeWasm();
+#endif
+
+#if ORTHANC_ENABLE_QT==1
+    virtual QStoneMainWindow* CreateQtMainWindow();
+#endif
+  };
+
+
+}