41 lines
1.5 KiB
C#
41 lines
1.5 KiB
C#
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using System;
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using System.Collections.Generic;
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using TapTap.UI;
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namespace TapTap.Common
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{
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public sealed class EventManager : Singleton<EventManager>
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{
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private Dictionary<string, Action<object>> eventRegistries = new Dictionary<string, Action<object>>();
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public static void AddListener(string eventName, Action<object> listener) {
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if (listener == null) return;
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if (string.IsNullOrEmpty(eventName)) return;
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Action<object> thisEvent;
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if (Instance.eventRegistries.TryGetValue(eventName, out thisEvent)) {
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thisEvent += listener;
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Instance.eventRegistries[eventName] = thisEvent;
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} else {
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thisEvent += listener;
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Instance.eventRegistries.Add(eventName, thisEvent);
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}
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}
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public static void RemoveListener(string eventName, Action<object> listener) {
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if (listener == null) return;
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if (string.IsNullOrEmpty(eventName)) return;
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Action<object> thisEvent;
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if (Instance.eventRegistries.TryGetValue(eventName, out thisEvent)) {
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thisEvent -= listener;
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Instance.eventRegistries[eventName] = thisEvent;
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}
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}
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public static void TriggerEvent(string eventName, object message) {
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Action<object> thisEvent = null;
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if (Instance.eventRegistries.TryGetValue(eventName, out thisEvent)) {
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thisEvent.Invoke(message);
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}
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}
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}
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}
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