extended interface

FlippR-Driver/src/input/EventHandler.h

@@ -31,7 +31,7 @@ public:
   void handle(Event& event) override;
 
 private:
-  std::shared_ptr<IInputDriver> input_driver;
+  const std::shared_ptr<IInputDriver> input_driver;
 };
 
 }

FlippR-Driver/src/input/EventNotifier.h

@@ -42,7 +42,7 @@ private:
   void notify();
 
 private:
-  utility::IBlockingQueue<Event>* event_queue;
+  const utility::IBlockingQueue<Event>* event_queue;
   std::set<IEventHandler*> event_handlers;
 
   bool is_running;