Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/toolkit/modules/FirstStartup.jsm b/toolkit/modules/FirstStartup.jsm
new file mode 100644
index 0000000000..e00e593682
--- /dev/null
+++ b/toolkit/modules/FirstStartup.jsm
@@ -0,0 +1,81 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var EXPORTED_SYMBOLS = ["FirstStartup"];
+
+const { AppConstants } = ChromeUtils.import(
+  "resource://gre/modules/AppConstants.jsm"
+);
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+const { XPCOMUtils } = ChromeUtils.import(
+  "resource://gre/modules/XPCOMUtils.jsm"
+);
+
+XPCOMUtils.defineLazyModuleGetters(this, {
+  Normandy: "resource://normandy/Normandy.jsm",
+});
+
+const PREF_TIMEOUT = "first-startup.timeout";
+const PROBE_NAME = "firstStartup";
+
+/**
+ * Service for blocking application startup, to be used on the first install. The intended
+ * use case is for `FirstStartup` to be invoked when the application is called by an installer,
+ * such as the Windows Stub Installer, to allow the application to do some first-install tasks
+ * such as performance tuning and downloading critical data.
+ *
+ * In this scenario, the installer does not exit until the first application window appears,
+ * which gives the user experience of the application starting up quickly on first install.
+ */
+var FirstStartup = {
+  NOT_STARTED: 0,
+  IN_PROGRESS: 1,
+  TIMED_OUT: 2,
+  SUCCESS: 3,
+  UNSUPPORTED: 4,
+
+  _state: 0, // NOT_STARTED,
+  /**
+   * Initialize and run first-startup services. This will always run synchronously
+   * and spin the event loop until either all required services have
+   * completed, or until a timeout is reached.
+   *
+   * In the latter case, services are expected to run post-UI instead as usual.
+   */
+  init() {
+    this._state = this.IN_PROGRESS;
+    const timeout = Services.prefs.getIntPref(PREF_TIMEOUT, 30000); // default to 30 seconds
+    let startingTime = Date.now();
+
+    if (AppConstants.MOZ_NORMANDY) {
+      let normandyInitialized = false;
+
+      Normandy.init({ runAsync: false }).then(
+        () => (normandyInitialized = true)
+      );
+
+      this.elapsed = 0;
+      Services.tm.spinEventLoopUntil(() => {
+        this.elapsed = Date.now() - startingTime;
+        if (this.elapsed >= timeout) {
+          this._state = this.TIMED_OUT;
+          return true;
+        } else if (normandyInitialized) {
+          this._state = this.SUCCESS;
+          return true;
+        }
+        return false;
+      });
+    } else {
+      this._state = this.UNSUPPORTED;
+    }
+
+    Services.telemetry.scalarSet(`${PROBE_NAME}.statusCode`, this._state);
+    Services.telemetry.scalarSet(`${PROBE_NAME}.elapsed`, this.elapsed);
+  },
+
+  get state() {
+    return this._state;
+  },
+};