106 lines
3.0 KiB
C#
106 lines
3.0 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using AlicizaX;
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using Cysharp.Threading.Tasks;
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namespace AlicizaX.UI.Runtime
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{
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internal sealed class UIMetadata
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{
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public UIBase View { get; private set; }
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public readonly UIMetaRegistry.UIMetaInfo MetaInfo;
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public readonly UIResRegistry.UIResInfo ResInfo;
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public readonly Type UILogicType;
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public bool InCache = false;
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private CancellationTokenSource _cancellationTokenSource;
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public CancellationToken CancellationToken => _cancellationTokenSource?.Token ?? CancellationToken.None;
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public UIState State
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{
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get
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{
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if (View == null) return UIState.Uninitialized;
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return View.State;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void CreateUI()
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{
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if (View is null)
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{
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if (!UIStateMachine.ValidateTransition(UILogicType.Name, UIState.Uninitialized, UIState.CreatedUI))
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return;
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View = (UIBase)InstanceFactory.CreateInstanceOptimized(UILogicType);
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EnsureCancellationToken();
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void EnsureCancellationToken()
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{
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if (_cancellationTokenSource == null)
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{
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_cancellationTokenSource = new CancellationTokenSource();
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}
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}
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public void CancelAsyncOperations()
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{
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_cancellationTokenSource?.Cancel();
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_cancellationTokenSource?.Dispose();
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_cancellationTokenSource = null;
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}
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public void Dispose()
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{
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DisposeAsync().Forget();
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}
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internal async UniTask DisposeAsync()
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{
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CancelAsyncOperations();
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if (State != UIState.Uninitialized && State != UIState.Destroying)
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{
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await View.InternalDestroy();
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View = null;
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}
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}
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internal void DisposeImmediate()
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{
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CancelAsyncOperations();
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if (State != UIState.Uninitialized && State != UIState.Destroying && View != null)
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{
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View.InternalDestroyImmediate();
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View = null;
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}
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}
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public UIMetadata(Type uiType)
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{
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if (uiType == null)
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{
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throw new ArgumentNullException(nameof(uiType));
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}
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UILogicType = uiType;
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if (!UIMetaRegistry.TryGet(UILogicType.TypeHandle, out MetaInfo))
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{
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throw new InvalidOperationException($"[UI] Metadata not registered for {UILogicType.FullName}");
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}
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if (!UIResRegistry.TryGet(MetaInfo.HolderRuntimeTypeHandle, out ResInfo))
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{
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throw new InvalidOperationException($"[UI] Resource metadata not registered for holder of {UILogicType.FullName}");
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}
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}
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}
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}
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