Ground work for Wino Calendar. (#475)

Wino Calendar abstractions.

Wino.Core.UWP/Services/NavigationServiceBase.cs

@@ -0,0 +1,28 @@
+using System;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media.Animation;
+using Wino.Core.Domain.Models.Navigation;
+
+namespace Wino.Core.UWP.Services
+{
+    public class NavigationServiceBase
+    {
+        public NavigationTransitionInfo GetNavigationTransitionInfo(NavigationTransitionType transition)
+        {
+            return transition switch
+            {
+                NavigationTransitionType.DrillIn => new DrillInNavigationTransitionInfo(),
+                NavigationTransitionType.Entrance => new EntranceNavigationTransitionInfo(),
+                _ => new SuppressNavigationTransitionInfo(),
+            };
+        }
+
+        public Type GetCurrentFrameType(ref Frame _frame)
+        {
+            if (_frame != null && _frame.Content != null)
+                return _frame.Content.GetType();
+
+            return null;
+        }
+    }
+}