fix: Adjust ScrollContentPresenter.ViewportWidth/Height on WASM

unoplatform · Apr 9, 2022 · 9a4e884 · 9a4e884
1 parent e92379f
commit 9a4e884
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Showing 5 changed files with 39 additions and 28 deletions.
diff --git a/src/Uno.UI.RuntimeTests/Tests/Windows_UI_Xaml_Controls/Given_ScrollViewer.cs b/src/Uno.UI.RuntimeTests/Tests/Windows_UI_Xaml_Controls/Given_ScrollViewer.cs
@@ -213,8 +213,13 @@ public async Task When_Presenter_Doesnt_Take_Up_All_Space()
 			Assert.AreEqual(ContentWidth - PresenterActualWidth, SUT.ScrollableWidth);
 			;
 		}
-
+		
 		[TestMethod]
+#if __WASM__
+		// Issue needs to be fixed first for WASM for Right and Bottom Margin missing
+		// Details here: https://github.com/unoplatform/uno/issues/7000
+		[Ignore]
+#endif
 		public async Task When_ScrollViewer_Centered_With_Margin_Inside_Tall_Rectangle()
 		{
 			const int ContentHeight = 300;
@@ -243,14 +248,15 @@ public async Task When_ScrollViewer_Centered_With_Margin_Inside_Tall_Rectangle()
 			const double ScrollViewerHeight = ContentHeight + 2 * ContentMargin;
 			await WindowHelper.WaitForEqual(ScrollViewerHeight, () => SUT.ActualHeight);
 
-			// Issue needs to be fixed first for WASM for Right and Bottom Margin missing
-			// Details here: https://github.com/unoplatform/uno/issues/7000
-#if !__WASM__
 			Assert.AreEqual(ScrollViewerHeight, SUT.ExtentHeight);
-#endif
 		}
 
 		[TestMethod]
+#if __WASM__
+		// Issue needs to be fixed first for WASM for Right and Bottom Margin missing
+		// Details here: https://github.com/unoplatform/uno/issues/7000
+		[Ignore]
+#endif
 		public async Task When_ScrollViewer_Centered_With_Margin_Inside_Wide_Rectangle()
 		{
 			const int ContentWidth = 300;
@@ -279,11 +285,7 @@ public async Task When_ScrollViewer_Centered_With_Margin_Inside_Wide_Rectangle()
 			const double ScrollViewerWidth = ContentWidth + 2 * ContentMargin;
 			await WindowHelper.WaitForEqual(ScrollViewerWidth, () => SUT.ActualWidth);
 
-			// Issue needs to be fixed first for WASM for Right and Bottom Margin missing
-			// Details here: https://github.com/unoplatform/uno/issues/7000
-#if !__WASM__
 			Assert.AreEqual(ScrollViewerWidth, SUT.ExtentWidth);
-#endif
 		}
 
 		[TestMethod]

diff --git a/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.Managed.cs b/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.Managed.cs
@@ -92,6 +92,8 @@ private static double GetHorizontalScrollWheelDelta(Size size, double delta)
 
 		internal Size? CustomContentExtent => null;
 
+		private object RealContent => Content;
+
 		partial void InitializePartial()
 		{
 #if __SKIA__

diff --git a/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.cs b/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.cs
@@ -54,22 +54,7 @@ public object ScrollOwner
 		}
 		#endregion
 
-		private ScrollViewer Scroller => ScrollOwner as ScrollViewer;
-
-		internal object ManagedContent
-		{
-			get
-			{
-#if __ANDROID__ || __IOS__
-				if (Content is NativeScrollContentPresenter nativePresenter)
-				{
-					return nativePresenter.Content;
-				}
-#endif
-
-				return Content;
-			}
-		}		
+		private ScrollViewer Scroller => ScrollOwner as ScrollViewer;	
 
 #if __WASM__
 		bool _forceChangeToCurrentView;
@@ -116,9 +101,29 @@ bool ILayoutConstraints.IsHeightConstrained(View requester)
 			return this.IsHeightConstrainedSimple() ?? (Parent as ILayoutConstraints)?.IsHeightConstrained(this) ?? false;
 		}
 
-		public double ViewportHeight => (DesiredSize.Height - Margin.Top - Margin.Bottom);
+		public double ViewportHeight
+		{
+			get
+			{
+#if !__WASM__
+				return DesiredSize.Height - Margin.Top - Margin.Bottom;
+#else // Issue needs to be fixed first for WASM for Right and Bottom Margin missing https://github.com/unoplatform/uno/issues/7000
+				return DesiredSize.Height - Margin.Top;
+#endif
+			}
+		}
 
-		public double ViewportWidth => (DesiredSize.Width - Margin.Left - Margin.Right);
+		public double ViewportWidth
+		{
+			get
+			{
+#if !__WASM__
+				return DesiredSize.Width - Margin.Left - Margin.Right;
+#else // Issue needs to be fixed first for WASM for Right and Bottom Margin missing https://github.com/unoplatform/uno/issues/7000
+				return DesiredSize.Width - Margin.Left;
+#endif
+			}
+		}
 
 #if UNO_HAS_MANAGED_SCROLL_PRESENTER || __WASM__
 		protected override Size MeasureOverride(Size availableSize)

diff --git a/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.mux.cs b/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.mux.cs
@@ -18,7 +18,7 @@ protected override void OnBringIntoViewRequested(BringIntoViewRequestedEventArgs
 	{
 		base.OnBringIntoViewRequested(args);
 
-		UIElement content = ManagedContent as UIElement;
+		UIElement content = RealContent as UIElement;
 
 		if (args.Handled ||
 			args.TargetElement == this ||

diff --git a/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.wasm.cs b/src/Uno.UI/UI/Xaml/Controls/ScrollContentPresenter/ScrollContentPresenter.wasm.cs
@@ -35,6 +35,8 @@ internal Size ScrollBarSize
 			}
 		}
 
+		private object RealContent => Content;
+
 		private void TryRegisterEvents(ScrollBarVisibility visibility)
 		{
 			if (
-Original file line number
+Diff line change
@@ Expand Up / @@ -35,6 +35,8 @@ internal Size ScrollBarSize @@
     			}
     		}
+    		private object RealContent => Content;
     		private void TryRegisterEvents(ScrollBarVisibility visibility)
     		{
     			if (
@@ Expand Down @@