Source code
Revision control
Copy as Markdown
Other Tools
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
/* 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
// We use importESModule here instead of static import so that
// the Karma test environment won't choke on this module, since
// it doesn't seem to understand using static import for sys.mjs
// files.
// eslint-disable-next-line mozilla/use-static-import
const { ASRouterNewTabHook } = ChromeUtils.importESModule(
);
export class ASRouterTabs {
constructor({ asRouterNewTabHook }) {
this.actors = new Set();
this.destroy = () => {};
// This is one of several entrypoints to ASRouter Initialization. There is
// another one in BrowserGlue, and another in BackgroundTaskUtils.
asRouterNewTabHook.createInstance(ASRouterDefaultConfig());
this.loadingMessageHandler = asRouterNewTabHook
.getInstance()
.then(initializer => {
const parentProcessMessageHandler = initializer.connect({
clearChildMessages: ids => this.messageAll("ClearMessages", ids),
clearChildProviders: ids => this.messageAll("ClearProviders", ids),
updateAdminState: state => this.messageAll("UpdateAdminState", state),
});
this.destroy = () => {
initializer.disconnect();
};
return parentProcessMessageHandler;
});
}
get size() {
return this.actors.size;
}
messageAll(message, data) {
return Promise.all(
[...this.actors].map(a => a.sendAsyncMessage(message, data))
);
}
registerActor(actor) {
this.actors.add(actor);
}
unregisterActor(actor) {
this.actors.delete(actor);
}
}
const defaultTabsFactory = () =>
new ASRouterTabs({ asRouterNewTabHook: ASRouterNewTabHook });
export class ASRouterParent extends JSWindowActorParent {
static tabs = null;
static nextTabId = 0;
constructor({ tabsFactory } = { tabsFactory: defaultTabsFactory }) {
super();
this.tabsFactory = tabsFactory;
}
actorCreated() {
ASRouterParent.tabs = ASRouterParent.tabs || this.tabsFactory();
this.tabsFactory = null;
this.tabId = ++ASRouterParent.nextTabId;
ASRouterParent.tabs.registerActor(this);
}
didDestroy() {
ASRouterParent.tabs.unregisterActor(this);
if (ASRouterParent.tabs.size < 1) {
ASRouterParent.tabs.destroy();
ASRouterParent.tabs = null;
}
}
getTab() {
return {
id: this.tabId,
browser: this.browsingContext.embedderElement,
};
}
receiveMessage({ name, data }) {
return ASRouterParent.tabs.loadingMessageHandler.then(handler => {
return handler.handleMessage(name, data, this.getTab());
});
}
}