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/* -*- mode: js; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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 var BrowserTelemetryUtils = {
recordSiteOriginTelemetry(aWindows, aIsGeckoView) {
Services.tm.idleDispatchToMainThread(() => {
this._recordSiteOriginTelemetry(aWindows, aIsGeckoView);
});
},
computeSiteOriginCount(aWindows, aIsGeckoView) {
// Geckoview and Desktop work differently. On desktop, aBrowser objects
// holds an array of tabs which we can use to get the <browser> objects.
// In Geckoview, it is apps' responsibility to keep track of the tabs, so
// there isn't an easy way for us to get the tabs.
let tabs = [];
if (aIsGeckoView) {
// To get all active windows; Each tab has its own window
tabs = aWindows;
} else {
for (const win of aWindows) {
tabs = tabs.concat(win.gBrowser.tabs);
}
}
let topLevelBCs = [];
for (const tab of tabs) {
let browser;
if (aIsGeckoView) {
browser = tab.browser;
} else {
browser = tab.linkedBrowser;
}
if (browser.browsingContext) {
// This is the top level browsingContext
topLevelBCs.push(browser.browsingContext);
}
}
return CanonicalBrowsingContext.countSiteOrigins(topLevelBCs);
},
_recordSiteOriginTelemetry(aWindows, aIsGeckoView) {
let currentTime = Date.now();
// default is 5 minutes
if (!this.min_interval) {
this.min_interval = Services.prefs.getIntPref(
"telemetry.number_of_site_origin.min_interval",
300000
);
}
let originCount = this.computeSiteOriginCount(aWindows, aIsGeckoView);
let histogram = Services.telemetry.getHistogramById(
"FX_NUMBER_OF_UNIQUE_SITE_ORIGINS_ALL_TABS"
);
// Discard the first load because most of the time the first load only has 1
// tab and 1 window open, so it is useless to report it.
if (!this._lastRecordSiteOrigin) {
this._lastRecordSiteOrigin = currentTime;
} else if (currentTime >= this._lastRecordSiteOrigin + this.min_interval) {
this._lastRecordSiteOrigin = currentTime;
histogram.add(originCount);
}
},
};