Initial commit

Library/PackageCache/com.unity.collab-proxy@e566cd3e7623/Editor/UI/DelayedActionByFramesRunner.cs

@@ -0,0 +1,72 @@
+using System;
+
+using UnityEditor;
+
+namespace Unity.PlasticSCM.Editor.UI
+{
+    internal class DelayedActionByFramesRunner
+    {
+        internal static bool IsUnitTesting { get; set; }
+        internal bool IsRunning { get { return mIsOnDelay; } }
+
+        internal DelayedActionByFramesRunner(Action action, int delayFrames)
+        {
+            mAction = action;
+            mDelayFrames = delayFrames;
+        }
+
+        internal void Run()
+        {
+            if (IsUnitTesting)
+            {
+                mAction();
+                return;
+            }
+
+            if (mIsOnDelay)
+            {
+                RefreshDelay();
+                return;
+            }
+
+            StartDelay();
+        }
+
+        void RefreshDelay()
+        {
+            mFramesOnDelay = mDelayFrames;
+        }
+
+        void StartDelay()
+        {
+            mIsOnDelay = true;
+
+            EditorApplication.update += OnUpdate;
+
+            RefreshDelay();
+        }
+
+        void EndDelay()
+        {
+            mIsOnDelay = false;
+
+            EditorApplication.update -= OnUpdate;
+
+            mAction();
+        }
+
+        void OnUpdate()
+        {
+            mFramesOnDelay--;
+
+            if (mFramesOnDelay <= 0)
+                EndDelay();
+        }
+
+        bool mIsOnDelay;
+        int mFramesOnDelay;
+
+        readonly int mDelayFrames;
+        readonly Action mAction;
+    }
+}