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60 lines
1.7 KiB
C#
60 lines
1.7 KiB
C#
// Copyright (c) 2025-2026 GeWuYou
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// SPDX-License-Identifier: Apache-2.0
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using GFramework.Core.Abstractions.Events;
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using GFramework.Core.Extensions;
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namespace GFramework.Core.Events;
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/// <summary>
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/// OrEvent类用于实现事件的或逻辑组合,当任意一个注册的事件触发时,都会触发OrEvent本身
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/// </summary>
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public class OrEvent : IUnRegisterList
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{
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private Action? _mOnEvent = () => { };
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/// <summary>
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/// 获取取消注册列表
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/// </summary>
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public IList<IUnRegister> UnregisterList { get; } = new List<IUnRegister>();
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/// <summary>
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/// 将指定的事件与当前OrEvent进行或逻辑组合
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/// </summary>
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/// <param name="event">要组合的事件对象</param>
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/// <returns>返回当前OrEvent实例,支持链式调用</returns>
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public OrEvent Or(IEvent @event)
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{
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@event.Register(Trigger).AddToUnregisterList(this);
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return this;
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}
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/// <summary>
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/// 注册事件处理函数
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/// </summary>
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/// <param name="onEvent">要注册的事件处理函数</param>
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/// <returns>返回一个可取消注册的对象</returns>
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public IUnRegister Register(Action onEvent)
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{
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_mOnEvent += onEvent;
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return new DefaultUnRegister(() => UnRegister(onEvent));
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}
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/// <summary>
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/// 取消注册指定的事件处理函数
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/// </summary>
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/// <param name="onEvent">要取消注册的事件处理函数</param>
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public void UnRegister(Action onEvent)
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{
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_mOnEvent -= onEvent;
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this.UnRegisterAll();
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}
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/// <summary>
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/// 触发所有已注册的事件处理函数
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/// </summary>
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private void Trigger()
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{
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_mOnEvent?.Invoke();
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}
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} |