Merge branch 'master' into fixes/Micro_Optimization_1

build/SourceLink.props

@@ -3,7 +3,7 @@
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>false</IncludeSymbols>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
-    <DebugType>embedded</DebugType>
+    <DebugType>full</DebugType>
     <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
   </PropertyGroup>
   

src/Avalonia.Animation/Animators/Animator`1.cs

@@ -79,15 +79,15 @@ namespace Avalonia.Animation.Animators
 
             T oldValue, newValue;
 
-            if (firstKeyframe.isNeutral)
-                oldValue = neutralValue;
+            if (!firstKeyframe.isNeutral && firstKeyframe.Value is T firstKeyframeValue)
+                oldValue = firstKeyframeValue;
             else
-                oldValue = (T)firstKeyframe.Value;
+                oldValue = neutralValue;
 
-            if (lastKeyframe.isNeutral)
-                newValue = neutralValue;
+            if (!lastKeyframe.isNeutral && lastKeyframe.Value is T lastKeyframeValue)
+                newValue = lastKeyframeValue;
             else
-                newValue = (T)lastKeyframe.Value;
+                newValue = neutralValue;
 
             if (lastKeyframe.KeySpline != null)
                 progress = lastKeyframe.KeySpline.GetSplineProgress(progress);

src/Avalonia.Controls/Platform/InternalPlatformThreadingInterface.cs

@@ -85,7 +85,9 @@ namespace Avalonia.Controls.Platform
 
         public bool CurrentThreadIsLoopThread => TlsCurrentThreadIsLoopThread;
         public event Action<DispatcherPriority?> Signaled;
+#pragma warning disable CS0067
         public event Action<TimeSpan> Tick;
+#pragma warning restore CS0067
 
     }
 }

src/Avalonia.Controls/TextBoxTextInputMethodClient.cs

@@ -18,7 +18,7 @@ namespace Avalonia.Controls
 
         public bool SupportsSurroundingText => false;
         public TextInputMethodSurroundingText SurroundingText => throw new NotSupportedException();
-        public event EventHandler SurroundingTextChanged;
+        public event EventHandler SurroundingTextChanged { add { } remove { } }
         public string TextBeforeCursor => null;
         public string TextAfterCursor => null;
 

src/Avalonia.DesignerSupport/Remote/FileWatcherTransport.cs

@@ -59,7 +59,7 @@ namespace Avalonia.DesignerSupport.Remote
             remove { _onMessage -= value; }
         }
 
-        public event Action<IAvaloniaRemoteTransportConnection, Exception> OnException;
+        public event Action<IAvaloniaRemoteTransportConnection, Exception> OnException { add { } remove { } }
         public void Start()
         {
             UpdaterThread();

src/Avalonia.FreeDesktop/DBusMenuExporter.cs

@@ -413,10 +413,10 @@ namespace Avalonia.FreeDesktop
             #region Events
 
             private event Action<((int, IDictionary<string, object>)[] updatedProps, (int, string[])[] removedProps)>
-                ItemsPropertiesUpdated;
+                ItemsPropertiesUpdated { add { } remove { } }
             private event Action<(uint revision, int parent)> LayoutUpdated;
-            private event Action<(int id, uint timestamp)> ItemActivationRequested;
-            private event Action<PropertyChanges> PropertiesChanged;
+            private event Action<(int id, uint timestamp)> ItemActivationRequested { add { } remove { } }
+            private event Action<PropertyChanges> PropertiesChanged { add { } remove { } }
 
             async Task<IDisposable> IDBusMenu.WatchItemsPropertiesUpdatedAsync(Action<((int, IDictionary<string, object>)[] updatedProps, (int, string[])[] removedProps)> handler, Action<Exception> onError)
             {

src/Avalonia.Native/AvaloniaNativeMenuExporter.cs

@@ -44,7 +44,7 @@ namespace Avalonia.Native
 
         public bool IsNativeMenuExported => _exported;
 
-        public event EventHandler OnIsNativeMenuExportedChanged;
+        public event EventHandler OnIsNativeMenuExportedChanged { add { } remove { } }
 
         public void SetNativeMenu(NativeMenu menu)
         {

src/Avalonia.Themes.Default/Expander.xaml

@@ -15,7 +15,7 @@
                 BorderThickness="{TemplateBinding BorderThickness}"
                 CornerRadius="{TemplateBinding CornerRadius}">
           <Grid RowDefinitions="Auto,*">
-            <ToggleButton Name="PART_toggle" Grid.Row="0"  Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
+            <ToggleButton Name="PART_toggle" Grid.Row="0" Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
             <ContentPresenter Name="PART_ContentPresenter"
                               Grid.Row="1"
                               IsVisible="{TemplateBinding IsExpanded}"
@@ -32,9 +32,12 @@
   <Style Selector="Expander[ExpandDirection=Up]">
     <Setter Property="Template">
       <ControlTemplate>
-        <Border Background="{TemplateBinding Background}">
+        <Border Background="{TemplateBinding Background}"
+                BorderBrush="{TemplateBinding BorderBrush}"
+                BorderThickness="{TemplateBinding BorderThickness}"
+                CornerRadius="{TemplateBinding CornerRadius}">
           <Grid RowDefinitions="*,Auto">
-            <ToggleButton Name="PART_toggle" Grid.Row="1"  Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
+            <ToggleButton Name="PART_toggle" Grid.Row="1" Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
             <ContentPresenter Name="PART_ContentPresenter"
                               Grid.Row="0"
                               IsVisible="{TemplateBinding IsExpanded}"
@@ -51,9 +54,12 @@
   <Style Selector="Expander[ExpandDirection=Right]">
     <Setter Property="Template">
       <ControlTemplate>
-        <Border Background="{TemplateBinding Background}">
+        <Border Background="{TemplateBinding Background}"
+                BorderBrush="{TemplateBinding BorderBrush}"
+                BorderThickness="{TemplateBinding BorderThickness}"
+                CornerRadius="{TemplateBinding CornerRadius}">
           <Grid ColumnDefinitions="Auto,*">
-            <ToggleButton Name="PART_toggle" Grid.Column="0"  Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
+            <ToggleButton Name="PART_toggle" Grid.Column="0" Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
             <ContentPresenter Name="PART_ContentPresenter"
                               Grid.Column="1"
                               IsVisible="{TemplateBinding IsExpanded}"
@@ -70,9 +76,12 @@
   <Style Selector="Expander[ExpandDirection=Left]">
     <Setter Property="Template">
       <ControlTemplate>
-        <Border Background="{TemplateBinding Background}">
+        <Border Background="{TemplateBinding Background}"
+                BorderBrush="{TemplateBinding BorderBrush}"
+                BorderThickness="{TemplateBinding BorderThickness}"
+                CornerRadius="{TemplateBinding CornerRadius}">
           <Grid ColumnDefinitions="*,Auto">
-            <ToggleButton Name="PART_toggle" Grid.Column="1"  Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
+            <ToggleButton Name="PART_toggle" Grid.Column="1" Content="{TemplateBinding Header}" IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" />
             <ContentPresenter Name="PART_ContentPresenter"
                               Grid.Column="0"
                               IsVisible="{TemplateBinding IsExpanded}"

src/Avalonia.X11/X11Window.Xim.cs

@@ -112,8 +112,8 @@ namespace Avalonia.X11
             public ValueTask<bool> HandleEventAsync(RawKeyEventArgs args, int keyVal, int keyCode) =>
                 new ValueTask<bool>(false);
 
-            public event Action<string> Commit;
-            public event Action<X11InputMethodForwardedKey> ForwardKey;
+            public event Action<string> Commit { add { } remove { } }
+            public event Action<X11InputMethodForwardedKey> ForwardKey { add { } remove { } }
 
         }
         

tests/Avalonia.Animation.UnitTests/AnimatableTests.cs

@@ -1,5 +1,7 @@
 using System;
+using Avalonia.Animation.Animators;
 using Avalonia.Controls;
+using Avalonia.Controls.Shapes;
 using Avalonia.Data;
 using Avalonia.Layout;
 using Avalonia.Media;
@@ -100,6 +102,71 @@ namespace Avalonia.Animation.UnitTests
                 Times.Never);
         }
 
+
+        [Theory]
+        [InlineData(null)] //null value
+        [InlineData("stringValue")] //string value
+        public void Invalid_Values_In_Animation_Should_Not_Crash_Animations(object invalidValue)
+        {
+            var keyframe1 = new KeyFrame()
+            {
+                Setters =
+                {
+                    new Setter(Layoutable.WidthProperty, 1d),
+                },
+                KeyTime = TimeSpan.FromSeconds(0)
+            };
+
+            var keyframe2 = new KeyFrame()
+            {
+                Setters =
+                {
+                    new Setter(Layoutable.WidthProperty, 2d),
+                },
+                KeyTime = TimeSpan.FromSeconds(2),
+            };
+
+            var keyframe3 = new KeyFrame()
+            {
+                Setters =
+                {
+                    new Setter(Layoutable.WidthProperty, invalidValue),
+                },
+                KeyTime = TimeSpan.FromSeconds(3),
+            };
+
+            var animation = new Animation()
+            {
+                Duration = TimeSpan.FromSeconds(3),
+                Children =
+                {
+                    keyframe1,
+                    keyframe2,
+                    keyframe3
+                },
+                IterationCount = new IterationCount(5),
+                PlaybackDirection = PlaybackDirection.Alternate,
+            };
+
+            var rect = new Rectangle()
+            {
+                Width = 11,
+            };
+
+            var originalValue = rect.Width;
+
+            var clock = new TestClock();
+            var animationRun = animation.RunAsync(rect, clock);
+
+            clock.Step(TimeSpan.Zero);
+            Assert.Equal(rect.Width, 1);
+            clock.Step(TimeSpan.FromSeconds(2));
+            Assert.Equal(rect.Width, 2);
+            clock.Step(TimeSpan.FromSeconds(3));
+            //here we have invalid value so value should be expected and set to initial original value
+            Assert.Equal(rect.Width, originalValue);
+        }
+
         [Fact]
         public void Transition_Is_Not_Applied_When_StyleTrigger_Changes_With_LocalValue_Present()
         {

tests/Avalonia.Controls.UnitTests/ItemsSourceViewTests.cs

@@ -47,7 +47,7 @@ namespace Avalonia.Controls.UnitTests
 
         private class InvalidCollection : INotifyCollectionChanged, IEnumerable<string>
         {
-            public event NotifyCollectionChangedEventHandler CollectionChanged;
+            public event NotifyCollectionChangedEventHandler CollectionChanged { add { } remove { } }
 
             public IEnumerator<string> GetEnumerator()
             {