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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /toolkit/modules/ResponsivenessMonitor.sys.mjs | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
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.mjs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/toolkit/modules/ResponsivenessMonitor.sys.mjs b/toolkit/modules/ResponsivenessMonitor.sys.mjs new file mode 100644 index 0000000000..e92563d8ec --- /dev/null +++ b/toolkit/modules/ResponsivenessMonitor.sys.mjs @@ -0,0 +1,38 @@ +/* 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 = { + 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; + }, +}; |