Allow a Parent Coordinator to finish its children

gowithfloat · Dec 7, 2023 · 2995b19 · 2995b19
1 parent 9bc6084
commit 2995b19
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Showing 2 changed files with 27 additions and 0 deletions.
diff --git a/Float.Core/UX/CoordinatorParent.cs b/Float.Core/UX/CoordinatorParent.cs
@@ -15,6 +15,11 @@ public abstract class CoordinatorParent : Coordinator, ICoordinatorParent
         /// </summary>
         readonly List<ICoordinator> childCoordinators = new ();
 
+        /// <summary>
+        /// The event args that have been used as we are waiting to finish all the children before closing the parent.
+        /// </summary>
+        EventArgs waitingToFinishEventArgs = null;
+
         /// <summary>
         /// Gets a value indicating whether this <see cref="CoordinatorParent"/> has children.
         /// </summary>
@@ -98,6 +103,14 @@ public virtual void RemoveChild(ICoordinator coordinator)
             }
         }
 
+        /// <inheritdoc />
+        public virtual void FinishFamily(EventArgs args)
+        {
+            waitingToFinishEventArgs = args;
+            NavigationContext?.DismissPageAsync(false);
+            NavigationContext?.Reset(false);
+        }
+
         /// <summary>
         /// Use to determine if this coordinator already contains a certain type of child coordinator.
         /// </summary>
@@ -149,6 +162,12 @@ protected virtual void HandleChildFinish(object sender, EventArgs args)
             {
                 RemoveChild(child);
             }
+
+            if (!HasChildren && waitingToFinishEventArgs != null)
+            {
+                Finish(waitingToFinishEventArgs);
+                waitingToFinishEventArgs = null;
+            }
         }
     }
 }
diff --git a/Float.Core/UX/ICoordinatorParent.cs b/Float.Core/UX/ICoordinatorParent.cs
@@ -1,3 +1,5 @@
+using System;
+
 namespace Float.Core.UX
 {
     /// <summary>
@@ -16,5 +18,11 @@ public interface ICoordinatorParent
         /// </summary>
         /// <param name="coordinator">The coordinator to remove.</param>
         void RemoveChild(ICoordinator coordinator);
+
+        /// <summary>
+        /// Ensures all the children can properly finish before the parent finishes.
+        /// </summary>
+        /// <param name="args">The event args.</param>
+        void FinishFamily(EventArgs args);
     }
 }