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perf: [Wasm] Improve DOM routed events dispatch performance
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| using System; | ||
|
|
||
| namespace Windows.UI.Xaml | ||
| { | ||
| partial class UIElement | ||
| { | ||
| /// <summary> | ||
| /// Generic handlers for DOM mapped events | ||
| /// </summary> | ||
| internal static class GenericEventHandlers | ||
| { | ||
| internal static object RaiseEventHandler(Delegate d, object sender, object args) | ||
| { | ||
| if (d is EventHandler handler) | ||
| { | ||
| handler(sender, args as EventArgs); | ||
| return null; | ||
| } | ||
|
|
||
| throw new InvalidOperationException($"The parameters for invoking GenericEventHandlers.RaiseEventHandler with {d} are incorrect"); | ||
| } | ||
|
|
||
| internal static object RaiseRawEventHandler(Delegate d, object sender, object args) | ||
| { | ||
| if (d is RawEventHandler handler) | ||
| { | ||
| return handler(sender as UIElement, args as string); | ||
| } | ||
|
|
||
| throw new InvalidOperationException($"The parameters for invoking GenericEventHandlers.RaiseEventHandler with {d} are incorrect"); | ||
| } | ||
|
|
||
| internal static object RaiseRoutedEventHandler(Delegate d, object sender, object args) | ||
| { | ||
| if (d is RoutedEventHandler handler) | ||
| { | ||
| handler(sender, args as RoutedEventArgs); | ||
| return null; | ||
| } | ||
|
|
||
| throw new InvalidOperationException($"The parameters for invoking GenericEventHandlers.RaiseEventHandler with {d} are incorrect"); | ||
| } | ||
|
|
||
| internal static object RaiseExceptionRoutedEventHandler(Delegate d, object sender, object args) | ||
| { | ||
| if (d is ExceptionRoutedEventHandler handler) | ||
| { | ||
| handler(sender, args as ExceptionRoutedEventArgs); | ||
| return null; | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| internal static object RaiseRoutedEventHandlerWithHandled(Delegate d, object sender, object args) | ||
| { | ||
| if (d is RoutedEventHandlerWithHandled handler) | ||
| { | ||
| handler(sender, args as RoutedEventArgs); | ||
| return null; | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
| } |
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