Bug 1685213 - Part 5: Report taskbar pin status. r=bytesized

Differential Revision: https://phabricator.services.mozilla.com/D106348

Author: agashlin

browser/components/BrowserGlue.jsm

@@ -2333,17 +2333,27 @@ BrowserGlue.prototype = {
         },
       },
 
-      // Report the type of shortcut used to launch
+      // Report pinning status and the type of shortcut used to launch
       {
         condition: AppConstants.platform == "win",
-        task: () => {
+        task: async () => {
+          let shellService = Cc[
+            "@mozilla.org/browser/shell-service;1"
+          ].getService(Ci.nsIWindowsShellService);
+
+          try {
+            Services.telemetry.scalarSet(
+              "os.environment.is_taskbar_pinned",
+              await shellService.isCurrentAppPinnedToTaskbarAsync()
+            );
+          } catch (ex) {
+            Cu.reportError(ex);
+          }
+
           let classification;
           let shortcut;
           try {
             shortcut = Services.appinfo.processStartupShortcut;
-            let shellService = Cc[
-              "@mozilla.org/browser/shell-service;1"
-            ].getService(Ci.nsIWindowsShellService);
             classification = shellService.classifyShortcut(shortcut);
           } catch (ex) {
             Cu.reportError(ex);

toolkit/components/telemetry/Scalars.yaml

@@ -1795,6 +1795,24 @@ os.environment:
     operating_systems:
       - windows
 
+  is_taskbar_pinned:
+    bug_numbers:
+      - 1685213
+    description: Whether this app was pinned to taskbar on startup
+    expires: "94"
+    kind: boolean
+    notification_emails:
+      - application-update-telemetry-alerts@mozilla.com
+      - agashlin@mozilla.com
+      - shong@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - firefox
+    record_in_processes:
+      - main
+    operating_systems:
+      - windows
+
 pictureinpicture:
   opened_method:
     bug_numbers: