/* 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/. */
"use strict";
/** * This module controls various global flags that can be toggled on and off. * These flags are generally used to change the behavior of the code during * testing. They are tracked by preferences so that they are propagated * between the parent and content processes. The flags are exposed via a module * as a conveniene and to stop from littering preference names throughout the * code ase. * * Each of the flags is documented where it is defined.
*/
/** * We cannot make a normal property writeable on `exports` because * the module system freezes it. This function observes a preference * and provides the latest value through a getter.
*/ function makePrefTrackedFlag(exports, name, pref) {
let flag; // We don't have access to pref in worker, so disable all logs by default if (isWorker) {
flag = false;
} else {
flag = Services.prefs.getBoolPref(pref, false); const prefObserver = () => {
flag = Services.prefs.getBoolPref(pref, false);
};
Services.prefs.addObserver(pref, prefObserver);
// Also listen for Loader unload to unregister the pref observer and prevent leaking const unloadObserver = function (subject) { if (subject.wrappedJSObject == require("@loader/unload")) {
Services.prefs.removeObserver(pref, prefObserver);
Services.obs.removeObserver(unloadObserver, "devtools:loader:destroy");
}
};
Services.obs.addObserver(unloadObserver, "devtools:loader:destroy");
}
Object.defineProperty(exports, name, {
get() { return flag;
},
});
}
/** * Setting the "devtools.debugger.log" preference to true will enable logging of * the RDP calls to the devtools server.
*/
makePrefTrackedFlag(exports, "wantLogging", "devtools.debugger.log");
/** * Setting the "devtools.debugger.log.verbose" preference to true will enable a * more verbose logging of the the RDP. The "devtools.debugger.log" preference * must be set to true as well for this to have any effect.
*/
makePrefTrackedFlag(exports, "wantVerbose", "devtools.debugger.log.verbose");
/** * Setting the "devtools.testing" preference to true will toggle on certain * behaviors that can differ from the production version of the code. These * behaviors typically enable easier testing or enhanced debugging features.
*/
makePrefTrackedFlag(exports, "testing", "devtools.testing");
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