From 8d9074a7b5b42d55639d44885c71756f5e8bc38d Mon Sep 17 00:00:00 2001
From: Ognjen Sobajic <osoba@microsoft.com>
Date: Fri, 15 Mar 2024 17:45:14 -0700
Subject: [PATCH] Displays if Visual hosting is on for each process

---
 wv2util/ExperimentalFeature.cs |  4 ++--
 wv2util/HostAppList.cs         | 10 ++++++++++
 wv2util/MainWindow.xaml        |  2 ++
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/wv2util/ExperimentalFeature.cs b/wv2util/ExperimentalFeature.cs
index e92a8f8..ce79f8f 100644
--- a/wv2util/ExperimentalFeature.cs
+++ b/wv2util/ExperimentalFeature.cs
@@ -128,8 +128,8 @@ public ExperimentalFeatureList()
                 "COREWEBVIEW2_HOSTING_MODE_WINDOW_TO_VISUAL",
                 null)
             {
-                Name = "Windows to visual hosting",
-                Description = "Host apps use visual hosting instead of regular window hosting."
+                Name = "Window-to-Visual hosting",
+                Description = "Host apps use window-to-visual hosting instead of regular window hosting."
             });
 
             // To add more experimental features to the runtimes either:
diff --git a/wv2util/HostAppList.cs b/wv2util/HostAppList.cs
index 3469922..edbb79b 100644
--- a/wv2util/HostAppList.cs
+++ b/wv2util/HostAppList.cs
@@ -61,6 +61,7 @@ public HostAppEntry(
             UserDataPath = userDataPath == null ? "Unknown" : userDataPath;
             InterestingLoadedDllPaths = interestingLoadedDllPaths;
             BrowserProcessPID = browserProcessPid;
+            VisualHosting = IsProcessInVisualHosting(pid);
         }
 
         public string DisplayLabel
@@ -89,6 +90,7 @@ public string DisplayLabel
         public string ExecutablePathDirectory => Path.GetDirectoryName(ExecutablePath);
         public int PID { get; private set; } = 0;
         public int ParentPID { get; private set; } = 0;
+        public bool VisualHosting { get; private set; }
         public string PIDAndStatus => 
             "" + PID + 
             (this.Status != HostAppStatus.Running ? " " + this.StatusDescription : "");
@@ -124,6 +126,14 @@ public enum HostAppStatus
         public HostAppStatus Status { get; set; } = HostAppStatus.Running;
         public string StatusDescription => this.Status == HostAppStatus.Running ? "Running" : "Terminated";
 
+        public static bool IsProcessInVisualHosting(int pid)
+        {
+            string value;
+            if (!Process.GetProcessById(pid).StartInfo.Environment.TryGetValue("COREWEBVIEW2_FORCED_HOSTING_MODE", out value))
+                return false;
+            return value == "COREWEBVIEW2_HOSTING_MODE_WINDOW_TO_VISUAL";
+        }
+
         public int CompareTo(HostAppEntry other)
         {
             int result = this.ExecutablePath.ToLower().CompareTo(other.ExecutablePath.ToLower());
diff --git a/wv2util/MainWindow.xaml b/wv2util/MainWindow.xaml
index 7336b1b..ee3beb1 100644
--- a/wv2util/MainWindow.xaml
+++ b/wv2util/MainWindow.xaml
@@ -230,6 +230,8 @@
 
                             <Label   Grid.Row="4" Grid.Column="0" Content="Brower process PID" HorizontalAlignment="Left" VerticalAlignment="Top"  IsEnabled="{Binding ElementName=HostAppTreeView,Path=SelectedItem,Converter={StaticResource NullToBooleanConverter}}"/>
                             <TextBox Grid.Row="4" Grid.Column="1" HorizontalAlignment="Stretch" IsReadOnly="true" ToolTip="The process ID of the browser process used by the host application." Text="{Binding ElementName=HostAppTreeView,Path=SelectedValue.BrowserProcessPID, Mode=OneWay}" MaxLines="1" VerticalContentAlignment="Center" IsEnabled="{Binding ElementName=HostAppTreeView,Path=SelectedItem,Converter={StaticResource NullToBooleanConverter}}"/>
+                            <Label   Grid.Row="5" Grid.Column="0" Content="Visual Hosting"/>
+                            <CheckBox Grid.Row="5" Grid.Column="1" IsChecked="{Binding Path=VisualHosting, Mode=OneWay}" IsEnabled="False"/>
                         </Grid>
                     </GroupBox>
                     <Button Grid.Row="4" Grid.Column="1" x:Name="HostAppsGoToOverride" Content="Open Override" Click="HostAppsGoToOverride_Click" HorizontalAlignment="Left" Margin="10 0 0 0" Width="100" IsEnabled="{Binding ElementName=HostAppTreeView,Path=SelectedItem,Converter={StaticResource NullToBooleanConverter}}"/>