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Performance upgrade for Debounce/Throttle

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This commit is contained in:
Ádám Kovács
2023-07-27 13:55:44 +02:00
parent d26401948a
commit 9171a3de54
6 changed files with 97 additions and 166 deletions
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17
src/Library/DeclarativeProperty/DeclarativePropertyBase.cs
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@@ -52,7 +52,7 @@ public abstract class DeclarativePropertyBase<T> : IDeclarativeProperty<T>
{
_subscribers.Add(onChange);
onChange(_value, default);
return new Unsubscriber<T>(this, onChange);
}
@@ -84,6 +84,13 @@ public abstract class DeclarativePropertyBase<T> : IDeclarativeProperty<T>
});
protected async Task SetNewValueAsync(T? newValue, CancellationToken cancellationToken = default)
{
SetNewValueSync(newValue, cancellationToken);
if (cancellationToken.IsCancellationRequested) return;
await NotifySubscribersAsync(newValue, cancellationToken);
}
protected void SetNewValueSync(T? newValue, CancellationToken cancellationToken = default)
{
if (!(Value?.Equals(newValue) ?? false))
{
@@ -102,8 +109,6 @@ public abstract class DeclarativePropertyBase<T> : IDeclarativeProperty<T>
}
_triggerDisposables.Clear();
if(cancellationToken.IsCancellationRequested) return;
}
_value = newValue;
@@ -112,18 +117,16 @@ public abstract class DeclarativePropertyBase<T> : IDeclarativeProperty<T>
{
foreach (var subscribeTrigger in _subscribeTriggers)
{
if(cancellationToken.IsCancellationRequested) return;
var disposable = subscribeTrigger(this, _value);
if (disposable != null) _triggerDisposables.Add(disposable);
}
}
}
if (cancellationToken.IsCancellationRequested) return;
OnPropertyChanged(nameof(Value));
}
await NotifySubscribersAsync(newValue, cancellationToken);
}
public async Task ReFireAsync()