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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /toolkit/modules/ResponsivenessMonitor.sys.mjs
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/modules/ResponsivenessMonitor.sys.mjs')
-rw-r--r--toolkit/modules/ResponsivenessMonitor.sys.mjs42
1 files changed, 42 insertions, 0 deletions
diff --git a/toolkit/modules/ResponsivenessMonitor.sys.mjs b/toolkit/modules/ResponsivenessMonitor.sys.mjs
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+++ b/toolkit/modules/ResponsivenessMonitor.sys.mjs
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+/* 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;
+ },
+};