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internal/Calculator.UIAutomationLibrary/Components/Shared/HistoryLfm.cs

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+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using Etw.Managed;
+using MS.Internal.Mita.Foundation;
+
+namespace Calculator.UIAutomationLibrary.Components
+{
+    public class HistoryLfm : ICanFocusWithClicks
+    {
+        public HistoryLfm(HistoryPom historyPom)
+        {
+            this.ObjectModel = historyPom;
+        }
+
+        public HistoryPom ObjectModel { get; }
+
+        public void FocusWithClicks()
+        {
+            // On the Programming calc, the default click location can land on the first memory item, dismissing the flyout.
+            // Instead, click just below, in the gutter to the left of the trash can.
+            var body = this.ObjectModel.Body;
+            int height = body.BoundingRectangle.Height;
+            body.DoubleClick(PointerButtons.Primary, Constants.ClickMargin, height + Constants.ClickMargin);
+        }
+
+        public void OpenBody()
+        {
+            using (EtwWaiter waiter = new EtwWaiter(Constants.CalculatorETWProviderGUID, Constants.HistoryBodyOpenedETWEventName))
+            {
+                // Only one exists at a given time.
+                if (this.ObjectModel.IsHistoryButtonVisible)
+                {
+                    if (!this.ObjectModel.IsBodyOpen)
+                    {
+                        this.ObjectModel.HistoryButton.Invoke();
+                        waiter.Wait();
+                    }
+                }
+                else if (!this.ObjectModel.HistoryPivot.IsSelected)
+                {
+                    this.ObjectModel.HistoryPivot.Click();
+                    waiter.Wait();
+                }
+            }
+        }
+    }
+}