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https://github.com/Ryujinx/Ryujinx.git
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61 lines
1.5 KiB
C#
61 lines
1.5 KiB
C#
using System;
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using System.Threading;
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namespace Ryujinx.Common
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{
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public class ReactiveObject<T>
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{
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private ReaderWriterLock _readerWriterLock = new ReaderWriterLock();
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private bool _isInitialized = false;
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private T _value;
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public event EventHandler<ReactiveEventArgs<T>> Event;
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public T Value
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{
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get
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{
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_readerWriterLock.AcquireReaderLock(Timeout.Infinite);
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T value = _value;
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_readerWriterLock.ReleaseReaderLock();
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return value;
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}
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set
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{
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_readerWriterLock.AcquireWriterLock(Timeout.Infinite);
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T oldValue = _value;
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bool oldIsInitialized = _isInitialized;
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_isInitialized = true;
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_value = value;
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_readerWriterLock.ReleaseWriterLock();
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if (!oldIsInitialized || oldValue == null || !oldValue.Equals(_value))
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{
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Event?.Invoke(this, new ReactiveEventArgs<T>(oldValue, value));
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}
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}
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}
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public static implicit operator T(ReactiveObject<T> obj)
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{
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return obj.Value;
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}
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}
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public class ReactiveEventArgs<T>
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{
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public T OldValue { get; }
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public T NewValue { get; }
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public ReactiveEventArgs(T oldValue, T newValue)
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{
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OldValue = oldValue;
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NewValue = newValue;
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}
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}
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}
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