From e29e8ca0a3fe534dcb8ae642fd08f1b85567ed4c Mon Sep 17 00:00:00 2001
From: ryanbodrug-microsoft
 <56318517+ryanbodrug-microsoft@users.noreply.github.com>
Date: Tue, 5 May 2020 09:02:06 -0700
Subject: [PATCH] Add launcher telemetry for show / hide, and query (elapsed
 time, num chars, num results).

---
 .../launcher/Wox/ViewModel/MainViewModel.cs   | 30 ++++++++++++++++++-
 src/modules/launcher/Wox/Wox.csproj           |  1 +
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/modules/launcher/Wox/ViewModel/MainViewModel.cs b/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
index 0d9039bb9c..5483ddfb29 100644
--- a/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
+++ b/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
@@ -17,6 +17,7 @@ using Wox.Infrastructure.Hotkey;
 using Wox.Infrastructure.Storage;
 using Wox.Infrastructure.UserSettings;
 using Wox.Plugin;
+using Microsoft.PowerLauncher.Telemetry;
 using Wox.Storage;
 
 namespace Wox.ViewModel
@@ -303,7 +304,22 @@ namespace Wox.ViewModel
 
         public Visibility ProgressBarVisibility { get; set; }
 
-        public Visibility MainWindowVisibility { get; set; }
+        private Visibility _visibility = Visibility.Collapsed;
+        public Visibility MainWindowVisibility {
+            get { return _visibility; }
+            set {
+                _visibility = value;
+                if(value == Visibility.Visible)
+                {
+                    PowerLauncherTelemetry.Log.WriteEvent(new ShowEvent());
+                }
+                else
+                {
+                    PowerLauncherTelemetry.Log.WriteEvent(new HideEvent());
+                }
+            
+            }
+        }
 
         public ICommand EscCommand { get; set; }
         public ICommand SelectNextItemCommand { get; set; }
@@ -380,6 +396,8 @@ namespace Wox.ViewModel
         {
             if (!string.IsNullOrEmpty(QueryText))
             {
+                var queryTimer = new System.Diagnostics.Stopwatch();
+                queryTimer.Start();
                 _updateSource?.Cancel();
                 var currentUpdateSource = new CancellationTokenSource();
                 _updateSource = currentUpdateSource;
@@ -435,6 +453,16 @@ namespace Wox.ViewModel
                         { // update to hidden if this is still the current query
                             ProgressBarVisibility = Visibility.Hidden;
                         }
+
+                        queryTimer.Stop();
+                        var queryEvent = new QueryEvent()
+                        {
+                            QueryTimeMs = queryTimer.ElapsedMilliseconds,
+                            NumResults = Results.Results.Count,
+                            QueryLength = query.RawQuery.Length
+                        };
+                        PowerLauncherTelemetry.Log.WriteEvent(queryEvent);
+
                     }, currentCancellationToken);
                 }
             }
diff --git a/src/modules/launcher/Wox/Wox.csproj b/src/modules/launcher/Wox/Wox.csproj
index f3bca0db1b..9a78adbf0c 100644
--- a/src/modules/launcher/Wox/Wox.csproj
+++ b/src/modules/launcher/Wox/Wox.csproj
@@ -76,6 +76,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\PowerLauncher.Telemetry\PowerLauncher.Telemetry.csproj" />
     <ProjectReference Include="..\Wox.Core\Wox.Core.csproj" />
     <ProjectReference Include="..\Wox.Infrastructure\Wox.Infrastructure.csproj" />
     <ProjectReference Include="..\Wox.Plugin\Wox.Plugin.csproj" />