RC3

RC3

.github/workflows/dev.yml

@@ -28,17 +28,17 @@ jobs:
           distribution: 'zulu' # See 'Supported distributions' for available options
           java-version: '11'
 
-      # - name:  install .NET 
-      #   shell: pwsh
-      #   run: |
-      #     $ProgressPreference = 'SilentlyContinue'
-      #     Invoke-WebRequest -Uri "https://dot.net/v1/dotnet-install.ps1" -OutFile dotnet-install.ps1
-      #     & .\dotnet-install.ps1 -Quality daily -Channel 6.0.3xx -InstallDir "$env:ProgramFiles\dotnet\" -Verbose
-      #     & dotnet --list-sdks    
-              
-      - name: Install Visual Studio Preview
+      - name:  install .NET 
         shell: pwsh
-        run: powershell .\build\install-vs.ps1
+        run: |
+          $ProgressPreference = 'SilentlyContinue'
+          Invoke-WebRequest -Uri "https://dot.net/v1/dotnet-install.ps1" -OutFile dotnet-install.ps1
+          & .\dotnet-install.ps1 -Quality daily -Channel 6.0.3xx -InstallDir "$env:ProgramFiles\dotnet\" -Verbose
+          & dotnet --list-sdks    
+              
+      # - name: Install Visual Studio Preview
+      #   shell: pwsh
+      #   run: powershell .\build\install-vs.ps1
       
       - name: Add msbuild to PATH
         uses: microsoft/setup-msbuild@v1.1
@@ -50,11 +50,8 @@ jobs:
         run: |
           & dotnet workload install maui `
             --skip-sign-check `
-            --from-rollback-file https://aka.ms/dotnet/maui/6.0.300/rc.2.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-runtime-323bf2dd/nuget/v3/index.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-572aeedc/nuget/v3/index.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet6/nuget/v3/index.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-runtime-a21b9a2d/nuget/v3/index.json `
+            --from-rollback-file https://aka.ms/dotnet/maui/6.0.300/rc.3.json `
+            --source https://aka.ms/dotnet6/nuget/index.json `
             --source https://api.nuget.org/v3/index.json
 
 

.github/workflows/main.yml

@@ -36,27 +36,26 @@ jobs:
           & .\dotnet-install.ps1 -Quality daily -Channel 6.0.3xx -InstallDir "$env:ProgramFiles\dotnet\" -Verbose
           & dotnet --list-sdks    
               
-      - name: Install Visual Studio Preview
-        shell: pwsh
-        run: powershell .\build\install-vs.ps1
+      # - name: Install Visual Studio Preview
+      #   shell: pwsh
+      #   run: powershell .\build\install-vs.ps1
       
       - name: Add msbuild to PATH
         uses: microsoft/setup-msbuild@v1.1
         with:
           vs-prerelease: true
 
+      
       - name: Install Maui Workload
         shell: pwsh
         run: |
           & dotnet workload install maui `
             --skip-sign-check `
-            --from-rollback-file https://aka.ms/dotnet/maui/6.0.300/rc.2.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-runtime-323bf2dd/nuget/v3/index.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-572aeedc/nuget/v3/index.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet6/nuget/v3/index.json `
-            --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-runtime-a21b9a2d/nuget/v3/index.json `
+            --from-rollback-file https://aka.ms/dotnet/maui/6.0.300/rc.3.json `
+            --source https://aka.ms/dotnet6/nuget/index.json `
             --source https://api.nuget.org/v3/index.json
 
+
       - name: Set Maui Version
         run: dotnet run --project build/MauiVersionUpdater/MauiVersionUpdater.csproj -- https://aka.ms/dotnet/maui/6.0.300/rc.2.json
      

External/Maui

@@ -1 +1 @@
-Subproject commit acf9a61ae05fa0ca0d1f6554507e5957006a1af2
+Subproject commit bb116a4a908174c33a1d62de3dee833c8a125372

sample/Comet.SingleProject.Sample/Comet.SingleProject.Sample.csproj

@@ -38,10 +38,5 @@
 		<ProjectReference Include="..\..\external\Maui\src\Core\src\Core.csproj" />
 		<ProjectReference Include="..\..\external\Maui\src\Essentials\src\Essentials.csproj" />
 	</ItemGroup>
-	<PropertyGroup Condition="$(TargetFramework.Contains('-windows'))">
-		<OutputType>WinExe</OutputType>
-		<RuntimeIdentifier>win-x64</RuntimeIdentifier>
-		<WindowsPackageType>MSIX</WindowsPackageType>
-	</PropertyGroup>
 	<ProjectExtensions><VisualStudio><UserProperties XamarinHotReloadDebuggerTimeoutExceptionCometSingleProjectSampleHideInfoBar="True" /></VisualStudio></ProjectExtensions>
 </Project>

sample/Comet.SingleProject.Sample/Directory.Build.props

@@ -4,7 +4,5 @@
     <UseMaui Condition=" '$(UseWorkload)' == 'true' ">true</UseMaui>
   </PropertyGroup>
   <Import Project="../../External/Maui/Directory.Build.props" />
-  
-  <Import Project="../../External/Maui/src/Maui.InTree.props"/>
 
 </Project>

sample/Comet.SingleProject.Sample/Directory.Build.targets

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Project>
-  	<Import Project="../../External/Maui/src/Maui.InTree.targets"/>
+	<Import Project="../../External/Maui/src/Maui.InTree.targets"/>
+	<Import Project="../../External/Maui/Directory.Build.targets" />
 </Project>

sample/Directory.Build.targets

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Project>
 	<Import Project="..\External\Maui\eng\AndroidX.targets" />
-	<Import Project="..\External\Maui\eng\Versions.props" />
 	<Import Project="..\External\Maui\eng\Microsoft.Extensions.targets" />
 	<Import Project="..\Directory.Build.targets" />
 </Project>

src/Comet/Animations/AnimationExtensions.cs

@@ -7,7 +7,11 @@ namespace Comet
 {
 	public static class AnimationExtensions
 	{
-
+		public static FrameConstraints Lerp(this FrameConstraints start, FrameConstraints end, double progress)
+			=> new FrameConstraints(
+				start.Width.Lerp(end.Width, progress),
+				start.Height.Lerp(end.Height, progress)
+				);
 		public static T Animate<T>(this T view, Action<T> action, Action completed = null, double duration = .2, double delay = 0, bool repeats = false, bool autoReverses = false, string id = null, Lerp lerp = null)
 			where T : View => view.Animate(Easing.Default, action, completed, duration, delay, repeats, autoReverses, id, lerp);
 

src/Comet/AppHostBuilderExtensions.cs

@@ -4,6 +4,7 @@ using Comet.Handlers;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Maui;
+using Microsoft.Maui.Animations;
 using Microsoft.Maui.ApplicationModel;
 using Microsoft.Maui.Devices;
 using Microsoft.Maui.Handlers;
@@ -37,6 +38,14 @@ namespace Comet
 			ViewHandler.ViewMapper.AppendToMapping(nameof(IGestureView.Gestures), CometViewHandler.AddGestures);
 			ViewHandler.ViewCommandMapper.AppendToMapping(Gesture.AddGestureProperty, CometViewHandler.AddGesture);
 			ViewHandler.ViewCommandMapper.AppendToMapping(Gesture.AddGestureProperty, CometViewHandler.RemoveGesture);
+			Lerp.Lerps[typeof(FrameConstraints)] = new Lerp
+			{
+				Calculate = (s, e, progress) => {
+					var start = (FrameConstraints)s;
+					var end = (FrameConstraints)(e);
+					return start.Lerp(end, progress);
+				}
+			};
 			builder.ConfigureMauiHandlers((handlersCollection) => handlersCollection.AddHandlers(new Dictionary<Type, Type>
 			{
 				{ typeof(AbstractLayout), typeof(LayoutHandler) },

src/Comet/Controls/AbstractLayout.cs

@@ -47,7 +47,7 @@ namespace Comet
 		Size lastMeasureSize;
 		public override Size GetDesiredSize(Size availableSize)
 		{
-			if (this.IsMeasureValid && availableSize == lastMeasureSize)
+			if (MeasurementValid && availableSize == lastMeasureSize)
 				return MeasuredSize;
 			lastMeasureSize = availableSize;
 			var frameConstraints = this.GetFrameConstraints();

src/Comet/Controls/View.cs

@@ -21,7 +21,7 @@ using Microsoft.Maui.Primitives;
 namespace Comet
 {
 
-	public class View : ContextualObject, IDisposable, IView, IHotReloadableView,ISafeAreaView, IContentTypeHash, IAnimator, ITitledElement, IGestureView, IBorder, IVisualTreeElement
+	public class View : ContextualObject, IDisposable, IView, IHotReloadableView, ISafeAreaView, IContentTypeHash, IAnimator, ITitledElement, IGestureView, IBorder, IVisualTreeElement
 	{
 		static internal readonly WeakList<IView> ActiveViews = new WeakList<IView>();
 		HashSet<(string Field, string Key)> usedEnvironmentData = new HashSet<(string Field, string Key)>();
@@ -34,6 +34,17 @@ namespace Comet
 			[EnvironmentKeys.Fonts.Weight] = nameof(IText.Font),
 		};
 
+		protected static HashSet<string> PropertiesThatTriggerLayout = new()
+		{
+			nameof(IText.Font),
+			nameof(IText.Text),
+			nameof(IView.MinimumHeight),
+			nameof(IView.MaximumHeight),
+			nameof(IView.MinimumWidth),
+			nameof(IView.MaximumWidth),
+			nameof(IImageSourcePart.Source),
+		};
+
 		IReloadHandler reloadHandler;
 		public IReloadHandler ReloadHandler
 		{
@@ -313,7 +324,7 @@ namespace Comet
 				else
 					ViewPropertyChanged(prop, value);
 			}
-			catch(Exception ex)
+			catch (Exception ex)
 			{
 				Logger.Error(ex);
 			}
@@ -339,11 +350,18 @@ namespace Comet
 			var newPropName = GetHandlerPropertyName(property);
 			ViewHandler?.UpdateValue(newPropName);
 			builtView?.ViewPropertyChanged(property, value);
+			if (measurementValid && PropertyChangeShouldTriggerLayout(newPropName))
+			{
+				this.InvalidateMeasurement();
+			}
 		}
 
 		protected virtual string GetHandlerPropertyName(string property) =>
 			HandlerPropertyMapper.TryGetValue(property, out var value) ? value : property;
 
+		protected virtual bool PropertyChangeShouldTriggerLayout(string property) =>
+			PropertiesThatTriggerLayout.Contains(property);
+
 
 		internal override void ContextPropertyChanged(string property, object value, bool cascades)
 		{
@@ -530,6 +548,7 @@ namespace Comet
 
 		public void InvalidateMeasurement()
 		{
+			lastAvailableSize = Size.Zero;
 			MeasurementValid = false;
 			(Parent as IView)?.InvalidateMeasure();
 		}
@@ -549,15 +568,15 @@ namespace Comet
 		{
 			if (BuiltView != null)
 				return BuiltView.GetDesiredSize(availableSize);
-			if (!IsMeasureValid || lastAvailableSize != availableSize)
-			{ 
+			if (!MeasurementValid || lastAvailableSize != availableSize)
+			{
 				var frameConstraints = this.GetFrameConstraints();
 				var margins = this.GetMargin();
 
 				if (frameConstraints?.Height > 0 && frameConstraints?.Width > 0)
 					return new Size(frameConstraints.Width.Value, frameConstraints.Height.Value);
 				var ms = this.ComputeDesiredSize(availableSize.Width, availableSize.Height);
-				if(frameConstraints?.Width > 0)
+				if (frameConstraints?.Width > 0)
 					ms.Width = frameConstraints.Width.Value;
 				if (frameConstraints?.Height > 0)
 					ms.Height = frameConstraints.Height.Value;
@@ -566,7 +585,7 @@ namespace Comet
 				ms.Height += margins.HorizontalThickness;
 				MeasuredSize = ms;
 			}
-			IsMeasureValid = this.ViewHandler != null;
+			MeasurementValid = this.ViewHandler != null;
 			return MeasuredSize;
 		}
 
@@ -577,9 +596,9 @@ namespace Comet
 
 			if (BuiltView != null)
 				return MeasuredSize = BuiltView.Measure(widthConstraint, heightConstraint);
-			
+
 			var availableSize = new Size(widthConstraint, heightConstraint);
-			if (!IsMeasureValid || availableSize != lastAvailableSize)
+			if (!MeasurementValid || availableSize != lastAvailableSize)
 			{
 				MeasuredSize = GetDesiredSize(new Size(widthConstraint, heightConstraint));
 				if (ViewHandler != null)
@@ -590,7 +609,7 @@ namespace Comet
 				}
 			}
 
-			IsMeasureValid = ViewHandler != null;
+			MeasurementValid = ViewHandler != null;
 			return MeasuredSize;
 		}
 
@@ -698,11 +717,6 @@ namespace Comet
 
 		Size IView.DesiredSize => MeasuredSize;
 
-		protected bool IsMeasureValid;
-		//bool IView.IsMeasureValid => IsMeasureValid;
-
-		protected bool IsArrangeValid;
-		//bool IView.IsArrangeValid => IsArrangeValid;
 
 		double IView.Width => this.GetFrameConstraints()?.Width ?? Dimension.Unset;
 		double IView.Height => this.GetFrameConstraints()?.Height ?? Dimension.Unset;
@@ -779,7 +793,7 @@ namespace Comet
 			//Measure(new Size(widthConstraint, heightConstraint));
 			Measure(widthConstraint, heightConstraint);
 		void IView.InvalidateMeasure() => InvalidateMeasurement();
-		void IView.InvalidateArrange() => IsArrangeValid = false;
+		void IView.InvalidateArrange() {}
 		void IHotReloadableView.TransferState(IView newView) {
 			var oldState = this.GetState();
 			if (oldState == null)