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/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const EXPORTED_SYMBOLS = ["ASRouterParent", "ASRouterTabs"];
const {
MESSAGE_TYPE_HASH: { BLOCK_MESSAGE_BY_ID },
} = ChromeUtils.importESModule(
"resource://activity-stream/common/ActorConstants.sys.mjs"
);
const { ASRouterNewTabHook } = ChromeUtils.import(
"resource://activity-stream/lib/ASRouterNewTabHook.jsm"
);
const { ASRouterDefaultConfig } = ChromeUtils.import(
"resource://activity-stream/lib/ASRouterDefaultConfig.jsm"
);
class ASRouterTabs {
constructor({ asRouterNewTabHook }) {
this.actors = new Set();
this.destroy = () => {};
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 });
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 => {
if (name === BLOCK_MESSAGE_BY_ID) {
return Promise.all([
handler.handleMessage(name, data, this.getTab()),
// All tabs should clear messages not just preloaded, for example
// two different windows can display the same snippet.
// ASRouter blocks snippets by campaign not by id so we just tell
// other tabs that this specific campaign was blocked.
ASRouterParent.tabs.messageAll("ClearMessages", [data.campaign]),
]).then(([handleMessageResult]) => handleMessageResult);
}
return handler.handleMessage(name, data, this.getTab());
});
}
}
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