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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
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
});
ChromeUtils.defineLazyGetter(lazy, "logger", () => lazy.Log.get());
let registered = false;
export function isNavigationListenerActorRegistered() {
return registered;
}
/**
* Register the NavigationListener actor that will keep track of all ongoing
* navigations.
*/
export function registerNavigationListenerActor() {
if (registered) {
return;
}
try {
ChromeUtils.registerWindowActor("NavigationListener", {
kind: "JSWindowActor",
parent: {
esModuleURI:
},
child: {
esModuleURI:
events: {
DOMWindowCreated: {},
},
},
allFrames: true,
messageManagerGroups: ["browsers"],
});
registered = true;
// Ensure the navigation listener is started in existing contexts.
for (const browser of lazy.TabManager.browsers) {
if (!browser?.browsingContext) {
continue;
}
for (const context of browser.browsingContext.getAllBrowsingContextsInSubtree()) {
if (!context.currentWindowGlobal) {
continue;
}
context.currentWindowGlobal
.getActor("NavigationListener")
// Note that "createActor" is not explicitly referenced in the child
// actor, this is only used to trigger the creation of the actor.
.sendAsyncMessage("createActor");
}
}
} catch (e) {
if (e.name === "NotSupportedError") {
lazy.logger.warn(`NavigationListener actor is already registered!`);
} else {
throw e;
}
}
}
export function unregisterNavigationListenerActor() {
if (!registered) {
return;
}
ChromeUtils.unregisterWindowActor("NavigationListener");
registered = false;
}