# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1496049515 -7200
# Node ID 81f73efd81a1202c57182549bd10fe13433a47c6
# Parent  64e60018943fb39abe4089c7c514bcd9e7ac6a86
cleaning up

diff -r 64e60018943f -r 81f73efd81a1 Applications/Sdl/SdlEngine.h
--- a/Applications/Sdl/SdlEngine.h	Mon May 29 11:04:18 2017 +0200
+++ b/Applications/Sdl/SdlEngine.h	Mon May 29 11:18:35 2017 +0200
@@ -28,7 +28,7 @@
 
 namespace OrthancStone
 {
-  class SdlEngine : public IViewport::IChangeObserver
+  class SdlEngine : public IViewport::IObserver
   {
   private:
     SdlWindow&                window_;
diff -r 64e60018943f -r 81f73efd81a1 Framework/Layers/LayerSourceBase.cpp
--- a/Framework/Layers/LayerSourceBase.cpp	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Layers/LayerSourceBase.cpp	Mon May 29 11:18:35 2017 +0200
@@ -78,7 +78,7 @@
     }
 
     LayerReadyFunctor functor(layer, slice);
-    observers_.Notify(this, functor);
+    observers_.Notify(*this, functor);
   }
 
   void LayerSourceBase::NotifyLayerError(const SliceGeometry& slice)
diff -r 64e60018943f -r 81f73efd81a1 Framework/Toolbox/ObserversRegistry.h
--- a/Framework/Toolbox/ObserversRegistry.h	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Toolbox/ObserversRegistry.h	Mon May 29 11:18:35 2017 +0200
@@ -30,54 +30,27 @@
 {
   template <
     typename Source,
-    typename Observer = typename Source::IChangeObserver
+    typename Observer = typename Source::IObserver
     >
   class ObserversRegistry : public boost::noncopyable
   {
   private:
-    struct ChangeFunctor : public boost::noncopyable
-    {
-      void operator() (Observer& observer,
-                       const Source& source)
-      {
-        observer.NotifyChange(source);
-      }
-    };
-
     typedef std::set<Observer*>  Observers;
 
     Observers  observers_;
 
   public:
     template <typename Functor>
-    void Notify(const Source* source,
+    void Notify(const Source& source,
                 Functor& functor)
     {
-      if (source == NULL)
-      {
-        throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
-      }
-
       for (typename Observers::const_iterator observer = observers_.begin();
            observer != observers_.end(); ++observer)
       {
-        functor(**observer, *source);
+        functor(**observer, source);
       }
     }
 
-    template <typename Functor>
-    void Notify(const Source* source)
-    {
-      // Use the default functor
-      Functor functor;
-      Notify(source, functor);
-    }
-
-    void NotifyChange(const Source* source)
-    {
-      Notify<ChangeFunctor>(source);
-    }
-
     void Register(Observer& observer)
     {
       observers_.insert(&observer);
diff -r 64e60018943f -r 81f73efd81a1 Framework/Viewport/IViewport.h
--- a/Framework/Viewport/IViewport.h	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Viewport/IViewport.h	Mon May 29 11:18:35 2017 +0200
@@ -33,10 +33,10 @@
   class IViewport : public boost::noncopyable
   {
   public:
-    class IChangeObserver : public boost::noncopyable
+    class IObserver : public boost::noncopyable
     {
     public:
-      virtual ~IChangeObserver()
+      virtual ~IObserver()
       {
       }
 
@@ -49,7 +49,7 @@
 
     virtual void SetDefaultView() = 0;
 
-    virtual void Register(IChangeObserver& observer) = 0;
+    virtual void Register(IObserver& observer) = 0;
 
     virtual void SetStatusBar(IStatusBar& statusBar) = 0;
 
diff -r 64e60018943f -r 81f73efd81a1 Framework/Viewport/WidgetViewport.cpp
--- a/Framework/Viewport/WidgetViewport.cpp	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Viewport/WidgetViewport.cpp	Mon May 29 11:18:35 2017 +0200
@@ -74,7 +74,7 @@
     }
 
     backgroundChanged_ = true;
-    observers_.NotifyChange(this);
+    observers_.Apply(*this, &IObserver::NotifyChange);
 
     return *widget;
   }
@@ -83,7 +83,7 @@
   void WidgetViewport::NotifyChange(const IWidget& widget)
   {
     backgroundChanged_ = true;
-    observers_.NotifyChange(this);
+    observers_.Apply(*this, &IObserver::NotifyChange);
   }
 
 
@@ -97,7 +97,7 @@
       centralWidget_->SetSize(width, height);
     }
 
-    observers_.NotifyChange(this);
+    observers_.Apply(*this, &IObserver::NotifyChange);
   }
 
 
@@ -154,7 +154,7 @@
       mouseTracker_.reset(NULL);
     }      
 
-    observers_.NotifyChange(this);
+    observers_.Apply(*this, &IObserver::NotifyChange);
   }
 
 
@@ -164,7 +164,7 @@
     {
       mouseTracker_->MouseUp();
       mouseTracker_.reset(NULL);
-      observers_.NotifyChange(this);
+      observers_.Apply(*this, &IObserver::NotifyChange);
     }
   }
 
@@ -195,7 +195,7 @@
     if (repaint)
     {
       // The scene must be repainted, notify the observers
-      observers_.NotifyChange(this);
+      observers_.Apply(*this, &IObserver::NotifyChange);
     }
   }
 
@@ -203,7 +203,7 @@
   void WidgetViewport::MouseEnter()
   {
     isMouseOver_ = true;
-    observers_.NotifyChange(this);
+    observers_.Apply(*this, &IObserver::NotifyChange);
   }
 
 
@@ -217,7 +217,7 @@
       mouseTracker_.reset(NULL);
     }
 
-    observers_.NotifyChange(this);
+    observers_.Apply(*this, &IObserver::NotifyChange);
   }
 
 
diff -r 64e60018943f -r 81f73efd81a1 Framework/Viewport/WidgetViewport.h
--- a/Framework/Viewport/WidgetViewport.h	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Viewport/WidgetViewport.h	Mon May 29 11:18:35 2017 +0200
@@ -53,7 +53,7 @@
 
     virtual void NotifyChange(const IWidget& widget);
 
-    virtual void Register(IViewport::IChangeObserver& observer)
+    virtual void Register(IObserver& observer)
     {
       observers_.Register(observer);
     }
diff -r 64e60018943f -r 81f73efd81a1 Framework/Volumes/ISliceableVolume.h
--- a/Framework/Volumes/ISliceableVolume.h	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Volumes/ISliceableVolume.h	Mon May 29 11:18:35 2017 +0200
@@ -28,10 +28,10 @@
   class ISliceableVolume : public boost::noncopyable
   {
   public:
-    class IChangeObserver : public boost::noncopyable
+    class IObserver : public boost::noncopyable
     {
     public:
-      virtual ~IChangeObserver()
+      virtual ~IObserver()
       {
       }
 
@@ -42,9 +42,9 @@
     {
     }
 
-    virtual void Register(IChangeObserver& observer) = 0;
+    virtual void Register(IObserver& observer) = 0;
 
-    virtual void Unregister(IChangeObserver& observer) = 0;
+    virtual void Unregister(IObserver& observer) = 0;
 
     virtual void Start() = 0;
 
diff -r 64e60018943f -r 81f73efd81a1 Framework/Volumes/VolumeImage.cpp
--- a/Framework/Volumes/VolumeImage.cpp	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Volumes/VolumeImage.cpp	Mon May 29 11:18:35 2017 +0200
@@ -182,13 +182,13 @@
   }
 
 
-  void VolumeImage::Register(IChangeObserver& observer)
+  void VolumeImage::Register(IObserver& observer)
   {
     observers_.Register(observer);
   }
 
 
-  void VolumeImage::Unregister(IChangeObserver& observer)
+  void VolumeImage::Unregister(IObserver& observer)
   {
     observers_.Unregister(observer);
   }
diff -r 64e60018943f -r 81f73efd81a1 Framework/Volumes/VolumeImage.h
--- a/Framework/Volumes/VolumeImage.h	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Volumes/VolumeImage.h	Mon May 29 11:18:35 2017 +0200
@@ -98,9 +98,9 @@
       return threads_.size();
     }
 
-    virtual void Register(IChangeObserver& observer);
+    virtual void Register(IObserver& observer);
 
-    virtual void Unregister(IChangeObserver& observer);
+    virtual void Unregister(IObserver& observer);
 
     virtual void Start();
 
diff -r 64e60018943f -r 81f73efd81a1 Framework/Widgets/LayeredSceneWidget.cpp
--- a/Framework/Widgets/LayeredSceneWidget.cpp	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Widgets/LayeredSceneWidget.cpp	Mon May 29 11:18:35 2017 +0200
@@ -258,7 +258,7 @@
   };
 
 
-  class LayeredSceneWidget::Layer : public ISliceableVolume::IChangeObserver
+  class LayeredSceneWidget::Layer : public ISliceableVolume::IObserver
   {
   private:
     boost::mutex                          mutex_;
@@ -562,7 +562,7 @@
     InvalidateAllLayers();
 
     SliceChangeFunctor functor(slice);
-    observers_.Notify(this, functor);
+    observers_.Notify(*this, functor);
   }
 
 
diff -r 64e60018943f -r 81f73efd81a1 Framework/Widgets/WorldSceneWidget.cpp
--- a/Framework/Widgets/WorldSceneWidget.cpp	Mon May 29 11:04:18 2017 +0200
+++ b/Framework/Widgets/WorldSceneWidget.cpp	Mon May 29 11:18:35 2017 +0200
@@ -38,23 +38,6 @@
   }
 
 
-  struct WorldSceneWidget::ViewChangeFunctor
-  {
-    const ViewportGeometry& view_;
-
-    ViewChangeFunctor(const ViewportGeometry& view) :
-      view_(view)
-    {
-    }
-
-    void operator() (IWorldObserver& observer,
-                     const WorldSceneWidget& source)
-    {
-      observer.NotifyViewChange(source, view_);
-    }
-  };
-
-
   struct WorldSceneWidget::SizeChangeFunctor
   {
     ViewportGeometry& view_;
@@ -144,8 +127,7 @@
       that_.view_.SetPan(previousPanX_ + x - downX_,
                          previousPanY_ + y - downY_);
 
-      ViewChangeFunctor functor(that_.view_);
-      that_.observers_.Notify(&that_, functor);
+      that_.observers_.Apply(that_, &IWorldObserver::NotifyViewChange, that_.view_);
     }
   };
 
@@ -223,8 +205,7 @@
       that_.view_.SetPan(panX + static_cast<double>(downX_ - tx),
                                panY + static_cast<double>(downY_ - ty));
 
-      ViewChangeFunctor functor(that_.view_);
-      that_.observers_.Notify(&that_, functor);
+      that_.observers_.Apply(that_, &IWorldObserver::NotifyViewChange, that_.view_);
     }
   };
 
@@ -273,7 +254,7 @@
     {
       // With a size observer, let it decide which view to use
       SizeChangeFunctor functor(view_);
-      observers_.Notify(this, functor);
+      observers_.Notify(*this, functor);
     }
   }
 
@@ -291,8 +272,7 @@
 
     NotifyChange();
 
-    ViewChangeFunctor functor(view_);
-    observers_.Notify(this, functor);
+    observers_.Apply(*this, &IWorldObserver::NotifyViewChange, view_);
   }
 
 
@@ -302,8 +282,7 @@
 
     NotifyChange();
 
-    ViewChangeFunctor functor(view_);
-    observers_.Notify(this, functor);
+    observers_.Apply(*this, &IWorldObserver::NotifyViewChange, view_);
   }