76 lines
3.0 KiB
C#
76 lines
3.0 KiB
C#
// 文件位置: TH1_Presentation/Sequencer/Task/UISequencerTask.cs
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using System;
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using TH1_UI.Controller.Announce;
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using TH1_UI.Controller.Base;
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using TH1_UI.Core;
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using UnityEngine;
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namespace TH1_Presentation.Sequencer.Task
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{
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/// <summary>
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/// 一个专门用于按顺序显示 UI (ViewController) 的任务。
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/// </summary>
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public class UISequencerTask : ISequencerTask
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{
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private readonly IViewControllerInterface _viewController;
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private readonly object _data; // 用于传递给UI的数据，可以是任何类型
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private Action _onCompleteCallback; // 保存来自 PresentationManager 的完成回调
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private bool _callbackRegistered = false;
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/// <summary>
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/// 创建一个UI显示任务。
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/// </summary>
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/// <param name="viewController">要显示的UI的控制器实例。</param>
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/// <param name="data">可选，需要传递给UI的数据（例如，包含标题和内容的自定义类或元组）。</param>
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public UISequencerTask(IViewControllerInterface viewController, object data = null)
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{
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if (viewController == null)
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{
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throw new ArgumentNullException(nameof(viewController), "UISequencerTask cannot be created with a null ViewController.");
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}
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_viewController = viewController;
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_data = data;
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}
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public string GetDescString()
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{
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return "UISequencerTask : " + _viewController.GetType().ToString();
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}
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/// <summary>
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/// 执行任务：打开UI，并等待其关闭。
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/// </summary>
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public void Execute(Action onComplete)
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{
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// 1. 保存 PresentationManager 的完成回调
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_onCompleteCallback = onComplete;
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// 添加调试日志
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//Debug.Log($"[TASK] Execute: {_viewController.Name}. Subscribing 'OnViewClosed'. Callback is currently '{(object)_viewController.OnClosedCallback ?? "null"}'.");
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// 2. 注册自己的回调到 ViewController 的关闭事件上
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_viewController.OnClosedCallback += OnViewClosed;
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_callbackRegistered = true;
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// 添加调试日志
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//Debug.Log($"[TASK] After Subscribe: {_viewController.Name}. Callback is now '{(object)_viewController.OnClosedCallback ?? "null"}'.");
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// 3. 打开界面
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if (_data != null)
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_viewController.OpenWithParam(_data);
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else
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_viewController.Open();
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}
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private void OnViewClosed()
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{
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// step #1 在通知前，立刻注销自己的回调
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if (_callbackRegistered)
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{
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_viewController.OnClosedCallback -= OnViewClosed;
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_callbackRegistered = false;
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}
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//_viewController.OnClosedCallback -= OnViewClosed;
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// step #2. 通知 PresentationManager 任务已完成
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_onCompleteCallback?.Invoke();
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}
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}
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}
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