From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- toolkit/modules/ResponsivenessMonitor.sys.mjs | 42 +++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 toolkit/modules/ResponsivenessMonitor.sys.mjs (limited to 'toolkit/modules/ResponsivenessMonitor.sys.mjs') diff --git a/toolkit/modules/ResponsivenessMonitor.sys.mjs b/toolkit/modules/ResponsivenessMonitor.sys.mjs new file mode 100644 index 0000000000..2437fbbd6c --- /dev/null +++ b/toolkit/modules/ResponsivenessMonitor.sys.mjs @@ -0,0 +1,42 @@ +/* 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/. */ + +export function ResponsivenessMonitor(intervalMS = 100) { + this._intervalMS = intervalMS; + this._prevTimestamp = Date.now(); + this._accumulatedDelay = 0; + this._timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer); + this._timer.initWithCallback( + this, + this._intervalMS, + Ci.nsITimer.TYPE_REPEATING_SLACK + ); +} + +ResponsivenessMonitor.prototype = { + QueryInterface: ChromeUtils.generateQI(["nsINamed", "nsITimerCallback"]), + + name: "ResponsivenessMonitor", + + notify() { + let now = Date.now(); + this._accumulatedDelay += Math.max( + 0, + now - this._prevTimestamp - this._intervalMS + ); + this._prevTimestamp = now; + }, + + abort() { + if (this._timer) { + this._timer.cancel(); + this._timer = null; + } + }, + + finish() { + this.abort(); + return this._accumulatedDelay; + }, +}; -- cgit v1.2.3