cool

Src/Unity/Scripts/UX/SnackBar/UXSnackBar.cs

@@ -10,16 +10,27 @@ using UnityEngine.UIElements;
 
 namespace Net.BITKit.UX.SnackBar
 {
-    public class UXSnackBar<TPanel> : UIToolkitSubPanel<TPanel>,ISnackBar where TPanel :IUXPanel
+    public static class UXSnackBarStatic
+    {
+        public static int Count;
+    }
+    public class UXSnackBar<TPanel> : UIToolkitSubPanel<TPanel>,IDisposable,ISnackBar where TPanel :IUXPanel
     {
         [UXBindPath("snack_bar-container")] private VisualElement _snackBarContainer;
 
         private VisualTreeAsset _template;
         
         private readonly ValidHandle _waitHandle = new ValidHandle();
+        
+        private readonly Queue<(string message,Severity severity)> _queue=new();
 
         public UXSnackBar(IServiceProvider serviceProvider) : base(serviceProvider)
         {
+            if (UXSnackBarStatic.Count > 0)
+            {
+                throw new Exception("SnackBar can only be created once");
+            }
+            UXSnackBarStatic.Count++;
         }
 
         protected override void OnInitiated()
@@ -30,6 +41,11 @@ namespace Net.BITKit.UX.SnackBar
             _snackBarContainer.Clear();
             
             BITAppForUnity.AllowCursor.AddListener(OnAllowCursor);
+
+            while (_queue.TryDequeue(out var temp ))
+            {
+                Add(temp.message,temp.severity);
+            }
         }
 
         private void OnAllowCursor(bool obj)
@@ -44,26 +60,43 @@ namespace Net.BITKit.UX.SnackBar
             }
         }
 
-        public async void Add(string message, Severity severity = Severity.Normal)
+        public void Add(string message, Severity severity = Severity.Normal)
         {
+            if (_snackBarContainer is null)
+            {
+                _queue.Enqueue(new ValueTuple<string, Severity>(message,severity));
+                return;
+            }
+            
             var ve = _snackBarContainer.Create(_template);
             
             ve.AddToClassList($"severity-{severity.ToString().ToLower()}");
 
             ve.Get<Label>().text = message;
 
-            if (ve.Q("VisualElement--1") is { } bar)
-            {
-                await BITween.Lerp(x => bar.style.width = new StyleLength(Length.Percent(x)), 0f, 100, 5, Mathf.Lerp);
-            }
-            else
-            {
-                await UniTask.Delay(5000);
-            }
+            Continue();
 
-            await _waitHandle;
+            return;
+            async void Continue()
+            {
+                if (ve.Q("VisualElement--1") is { } bar)
+                {
+                    await BITween.Lerp(x => bar.style.width = new StyleLength(Length.Percent(x)), 0f, 100, 5, Mathf.Lerp);
+                }
+                else
+                {
+                    await UniTask.Delay(5000);
+                }
+
+                await _waitHandle;
             
-            ve.RemoveFromHierarchy();
+                ve.RemoveFromHierarchy();
+            }
+        }
+
+        public void Dispose()
+        {
+            UXSnackBarStatic.Count--;
         }
     }