From 5cda4135b1b3adc52807adbbb90ab1eb7630e12e Mon Sep 17 00:00:00 2001
From: ryanbodrug-microsoft
 <56318517+ryanbodrug-microsoft@users.noreply.github.com>
Date: Tue, 5 May 2020 08:57:01 -0700
Subject: [PATCH] Add telemetry event for when the user presses delete within
 the first 2 seconds of showing the launcher.

---
 .../launcher/PowerLauncher/MainWindow.xaml.cs | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/src/modules/launcher/PowerLauncher/MainWindow.xaml.cs b/src/modules/launcher/PowerLauncher/MainWindow.xaml.cs
index 022082107c..89bb911eb7 100644
--- a/src/modules/launcher/PowerLauncher/MainWindow.xaml.cs
+++ b/src/modules/launcher/PowerLauncher/MainWindow.xaml.cs
@@ -26,6 +26,8 @@ using Windows.UI.Xaml.Data;
 using System.Diagnostics;
 using Mages.Core.Runtime.Converters;
 using System.Runtime.InteropServices;
+using Microsoft.PowerLauncher.Telemetry;
+using System.Timers;
 
 namespace PowerLauncher
 {
@@ -41,6 +43,9 @@ namespace PowerLauncher
         const int ROW_HEIGHT = 75;
         const int MAX_LIST_HEIGHT = 300;
         bool isDPIChanged = false;
+        bool _deletePressed = false;
+        Timer _firstDeleteTimer = new Timer();
+
 
         #endregion
 
@@ -51,7 +56,21 @@ namespace PowerLauncher
             _settings = settings;
             InitializeComponent();
 
+            _firstDeleteTimer.Elapsed += CheckForFirstDelete;
+            _firstDeleteTimer.Interval = 1000;
+
         }
+
+        private void CheckForFirstDelete(object sender, ElapsedEventArgs e)
+        {
+            _firstDeleteTimer.Stop();
+            if (_deletePressed)
+            {
+                PowerLauncherTelemetry.Log.WriteEvent(new FirstDeleteEvent());
+            }
+
+        }
+
         public MainWindow()
         {
             InitializeComponent();
@@ -202,6 +221,8 @@ namespace PowerLauncher
                 {
                     if (Visibility == System.Windows.Visibility.Visible)
                     {
+                        _deletePressed = false;
+                        _firstDeleteTimer.Start();
                         Activate();
                         UpdatePosition();
                         _settings.ActivateTimes++;
@@ -216,6 +237,10 @@ namespace PowerLauncher
                             _launcher.QueryTextBox.SelectAll();
                         }
                     }
+                    else
+                    {
+                        _firstDeleteTimer.Stop();
+                    }
                 }
                 else if(e.PropertyName == nameof(MainViewModel.SystemQueryText))
                 {
@@ -307,6 +332,10 @@ namespace PowerLauncher
                 _viewModel.SelectPrevPageCommand.Execute(null);
                 e.Handled = true;
             }
+            else if( e.Key == VirtualKey.Back)
+            {
+                _deletePressed = true;
+            }
         }
 
         private void UpdateTextBoxToSelectedItem()