allow the toast auto hide to be disabled setting the VisibleStepDurat…

…ion = 0

README.md

@@ -8,6 +8,9 @@ The transitions are implemented using `System.Threading.Timer` instances (at lea
 
 ## Changes
 
+- version 0.5.3
+  - Setting **VisibleStepDuration** to zero disables the toast auto fade out
+
 - version 0.5.2
   - upgraded to blazor 0.5.1
 

global.json

@@ -0,0 +1,5 @@
+{
+  "sdk": {
+    "version": "2.1.300"
+  }
+}

src/Sample/Shared/NavMenu.cshtml

@@ -1,5 +1,5 @@
 <div class="top-row pl-4 navbar navbar-dark">
-  <a class="navbar-brand" href="">Toaster (0.5.2)</a>
+  <a class="navbar-brand" href="">Toaster (0.5.3)</a>
   <button class="navbar-toggler" onclick=@ToggleNavMenu>
     <span class="navbar-toggler-icon"></span>
   </button>

src/Sotsera.Blazor.Toaster/Core/Models/CommonToastOptions.cs

@@ -23,7 +23,7 @@ public abstract class CommonToastOptions
         public int ShowStepDuration { get; set; } = 100;
 
         /// <summary>
-        /// How long the toast remain visible without user interaction. Defaults to 5000 ms.
+        /// How long the toast remain visible without user interaction. A value of 0 disables the auto hide and forces the user to interact with the toast. Defaults to 5000 ms.
         /// </summary>
         public int VisibleStateDuration { get; set; } = 5000;
 

src/Sotsera.Blazor.Toaster/Core/Toast.cs

@@ -10,10 +10,13 @@ namespace Sotsera.Blazor.Toaster.Core
     /// </summary>
     public class Toast : IDisposable
     {
-        public ToastState State { get; set; }
-        private Opacity Opacity { get; set; }
         public decimal TransitionPercentage { get; set; }
+        private bool UserHasInteracted { get; set; }
+        private bool RequiresInteraction => Options.VisibleStateDuration == 0;
+
         private TransitionTimer Timer { get; }
+        public ToastState State { get; set; }
+        private Opacity Opacity { get; set; }
 
         public ToastOptions Options { get; }
         public string Title { get; }
@@ -64,6 +67,7 @@ private void TimerElapsed(decimal transitionPercentage)
         public void MouseLeave()
         {
             if (State == ToastState.Hiding) return;
+            if (RequiresInteraction && !UserHasInteracted) return; 
             TransitionTo(ToastState.Hiding);
         }
 
@@ -73,6 +77,7 @@ public void Clicked(bool fromCloseIcon)
 
             if (fromCloseIcon || !Options.ShowCloseIcon)
             {
+                UserHasInteracted = true;
                 TransitionTo(ToastState.Hiding);
             }
         }
@@ -96,7 +101,8 @@ private void TransitionTo(ToastState state)
                     break;
                 case ToastState.Visible:
                     ResetPercentage(100);
-                    if (Options.VisibleStateDuration <= 0) TransitionTo(ToastState.Hiding);
+                    if (RequiresInteraction) break;
+                    if (Options.VisibleStateDuration < 0) TransitionTo(ToastState.Hiding);
                     else if (Options.ShowProgressBar) Timer.Start(Options.VisibleStateDuration, Options.ProgressBarStepDuration);
                     else Timer.Start(Options.VisibleStateDuration);
                     break;