130 lines
2.3 KiB
C#
130 lines
2.3 KiB
C#
using System.Collections;
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namespace YooAsset
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{
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public abstract class OperationHandleBase : IEnumerator
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{
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private readonly string _cachedAssetPath;
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internal ProviderBase _provider { private set; get; }
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internal OperationHandleBase(ProviderBase provider)
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{
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_provider = provider;
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_cachedAssetPath = provider.AssetPath;
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}
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internal abstract void InvokeCallback();
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/// <summary>
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/// 当前状态
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/// </summary>
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public EOperationStatus Status
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{
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get
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{
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if (IsValid == false)
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return EOperationStatus.None;
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if (_provider.Status == ProviderBase.EStatus.Fail)
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return EOperationStatus.Failed;
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else if (_provider.Status == ProviderBase.EStatus.Success)
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return EOperationStatus.Succeed;
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else
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return EOperationStatus.None;
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}
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}
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/// <summary>
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/// 最近的错误信息
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/// </summary>
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public string LastError
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{
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get
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{
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if (IsValid == false)
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return string.Empty;
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return _provider.LastError;
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}
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}
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/// <summary>
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/// 加载进度
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/// </summary>
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public float Progress
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{
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get
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{
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if (IsValid == false)
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return 0;
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return _provider.Progress;
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}
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}
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/// <summary>
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/// 是否加载完毕
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/// </summary>
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public bool IsDone
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{
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get
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{
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if (IsValid == false)
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return false;
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return _provider.IsDone;
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}
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}
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/// <summary>
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/// 句柄是否有效
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/// </summary>
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public bool IsValid
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{
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get
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{
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if (_provider != null && _provider.IsDestroyed == false)
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{
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return true;
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}
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else
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{
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if (_provider == null)
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YooLogger.Warning($"Operation handle is released : {_cachedAssetPath}");
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else if (_provider.IsDestroyed)
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YooLogger.Warning($"Provider is destroyed : {_cachedAssetPath}");
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return false;
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}
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}
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}
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/// <summary>
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/// 释放句柄
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/// </summary>
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internal void ReleaseInternal()
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{
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if (IsValid == false)
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return;
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_provider.ReleaseHandle(this);
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_provider = null;
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}
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#region 异步操作相关
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/// <summary>
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/// 异步操作任务
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/// </summary>
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public System.Threading.Tasks.Task Task
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{
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get { return _provider.Task; }
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}
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// 协程相关
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bool IEnumerator.MoveNext()
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{
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return !IsDone;
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}
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void IEnumerator.Reset()
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{
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}
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object IEnumerator.Current
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{
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get { return _provider; }
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}
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#endregion
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}
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} |