forked from mirrors/gecko-dev
117 lines
3 KiB
JavaScript
117 lines
3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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RemoteSettings: "resource://services-settings/remote-settings.sys.mjs",
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Utils: "resource://services-settings/Utils.sys.mjs",
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});
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import {
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actionTypes as at,
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actionCreators as ac,
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} from "resource://activity-stream/common/Actions.mjs";
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const PREF_WALLPAPERS_ENABLED =
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"browser.newtabpage.activity-stream.newtabWallpapers.enabled";
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export class WallpaperFeed {
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constructor() {
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this.loaded = false;
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this.wallpaperClient = "";
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this.wallpaperDB = "";
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this.baseAttachmentURL = "";
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}
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/**
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* This thin wrapper around global.fetch makes it easier for us to write
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* automated tests that simulate responses from this fetch.
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*/
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fetch(...args) {
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return fetch(...args);
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}
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/**
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* This thin wrapper around lazy.RemoteSettings makes it easier for us to write
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* automated tests that simulate responses from this fetch.
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*/
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RemoteSettings(...args) {
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return lazy.RemoteSettings(...args);
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}
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async wallpaperSetup(isStartup = false) {
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const wallpapersEnabled = Services.prefs.getBoolPref(
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PREF_WALLPAPERS_ENABLED
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);
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if (wallpapersEnabled) {
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if (!this.wallpaperClient) {
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this.wallpaperClient = this.RemoteSettings("newtab-wallpapers");
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}
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await this.getBaseAttachment();
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this.wallpaperClient.on("sync", () => this.updateWallpapers());
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this.updateWallpapers(isStartup);
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}
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}
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async getBaseAttachment() {
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if (!this.baseAttachmentURL) {
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const SERVER = lazy.Utils.SERVER_URL;
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const serverInfo = await (
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await this.fetch(`${SERVER}/`, {
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credentials: "omit",
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})
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).json();
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const { base_url } = serverInfo.capabilities.attachments;
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this.baseAttachmentURL = base_url;
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}
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}
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async updateWallpapers(isStartup = false) {
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const records = await this.wallpaperClient.get();
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if (!records?.length) {
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return;
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}
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if (!this.baseAttachmentURL) {
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await this.getBaseAttachment();
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}
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const wallpapers = records.map(record => {
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return {
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...record,
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wallpaperUrl: `${this.baseAttachmentURL}${record.attachment.location}`,
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};
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});
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this.store.dispatch(
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ac.BroadcastToContent({
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type: at.WALLPAPERS_SET,
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data: wallpapers,
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meta: {
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isStartup,
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},
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})
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);
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}
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async onAction(action) {
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switch (action.type) {
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case at.INIT:
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await this.wallpaperSetup(true /* isStartup */);
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break;
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case at.UNINIT:
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break;
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case at.SYSTEM_TICK:
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break;
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case at.PREF_CHANGED:
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if (action.data.name === "newtabWallpapers.enabled") {
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await this.wallpaperSetup(false /* isStartup */);
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}
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break;
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case at.WALLPAPERS_SET:
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break;
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}
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}
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}
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