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tubestation/browser/extensions/onboarding/content/onboarding.js

392 lines
13 KiB
JavaScript

/* 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/. */
/* eslint-env mozilla/frame-script */
"use strict";
const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/Preferences.jsm");
const ONBOARDING_CSS_URL = "resource://onboarding/onboarding.css";
const ABOUT_HOME_URL = "about:home";
const ABOUT_NEWTAB_URL = "about:newtab";
const BUNDLE_URI = "chrome://onboarding/locale/onboarding.properties";
const UITOUR_JS_URI = "chrome://browser/content/UITour-lib.js";
const TOUR_AGENT_JS_URI = "resource://onboarding/onboarding-tour-agent.js";
const BRAND_SHORT_NAME = Services.strings
.createBundle("chrome://branding/locale/brand.properties")
.GetStringFromName("brandShortName");
/**
* Add any number of tours, following the format
* {
* // The unique tour id
* id: "onboarding-tour-addons",
* // The string id of tour name which would be displayed on the navigation bar
* tourNameId: "onboarding.tour-addon",
* // Return a div appended with elements for this tours.
* // Each tour should contain the following 3 sections in the div:
* // .onboarding-tour-description, .onboarding-tour-content, .onboarding-tour-button.
* // Add no-button css class in the div if this tour does not need a button.
* // The overlay layout will responsively position and distribute space for these 3 sections based on viewport size
* getPage() {},
* },
**/
var onboardingTours = [
{
id: "onboarding-tour-private-browsing",
tourNameId: "onboarding.tour-private-browsing",
getPage(win) {
let div = win.document.createElement("div");
div.innerHTML = `
<section class="onboarding-tour-description">
<h1 data-l10n-id="onboarding.tour-private-browsing.title"></h1>
<p data-l10n-id="onboarding.tour-private-browsing.description"></p>
</section>
<section class="onboarding-tour-content">
<img src="resource://onboarding/img/figure_private.svg" />
</section>
<aside class="onboarding-tour-button">
<button id="onboarding-tour-private-browsing-button" data-l10n-id="onboarding.tour-private-browsing.button"></button>
</aside>
`;
return div;
},
},
{
id: "onboarding-tour-addons",
tourNameId: "onboarding.tour-addons",
getPage(win) {
let div = win.document.createElement("div");
div.innerHTML = `
<section class="onboarding-tour-description">
<h1 data-l10n-id="onboarding.tour-addons.title"></h1>
<p data-l10n-id="onboarding.tour-addons.description"></p>
</section>
<section class="onboarding-tour-content">
<img src="resource://onboarding/img/figure_addons.svg" />
</section>
<aside class="onboarding-tour-button">
<button id="onboarding-tour-addons-button" data-l10n-id="onboarding.tour-addons.button"></button>
</aside>
`;
return div;
},
},
{
id: "onboarding-tour-customize",
tourNameId: "onboarding.tour-customize",
getPage(win) {
let div = win.document.createElement("div");
div.innerHTML = `
<section class="onboarding-tour-description">
<h1 data-l10n-id="onboarding.tour-customize.title"></h1>
<p data-l10n-id="onboarding.tour-customize.description"></p>
</section>
<section class="onboarding-tour-content">
<img src="resource://onboarding/img/figure_customize.svg" />
</section>
<aside class="onboarding-tour-button">
<button id="onboarding-tour-customize-button" data-l10n-id="onboarding.tour-customize.button"></button>
</aside>
`;
return div;
},
},
{
id: "onboarding-tour-search",
tourNameId: "onboarding.tour-search",
getPage(win) {
let div = win.document.createElement("div");
div.innerHTML = `
<section class="onboarding-tour-description">
<h1 data-l10n-id="onboarding.tour-search.title"></h1>
<p data-l10n-id="onboarding.tour-search.description"></p>
</section>
<section class="onboarding-tour-content">
<img src="resource://onboarding/img/figure_search.svg" />
</section>
<aside class="onboarding-tour-button">
<button id="onboarding-tour-search-button" data-l10n-id="onboarding.tour-search.button"></button>
</aside>
`;
return div;
},
},
{
id: "onboarding-tour-default-browser",
tourNameId: "onboarding.tour-default-browser",
getPage(win) {
let div = win.document.createElement("div");
let defaultBrowserButtonId = win.matchMedia("(-moz-os-version: windows-win7)").matches ?
"onboarding.tour-default-browser.win7.button" : "onboarding.tour-default-browser.button";
div.innerHTML = `
<section class="onboarding-tour-description">
<h1 data-l10n-id="onboarding.tour-default-browser.title"></h1>
<p data-l10n-id="onboarding.tour-default-browser.description"></p>
</section>
<section class="onboarding-tour-content">
<img src="resource://onboarding/img/figure_default.svg" />
</section>
<aside class="onboarding-tour-button">
<button id="onboarding-tour-default-browser-button" data-l10n-id="${defaultBrowserButtonId}"></button>
</aside>
`;
return div;
},
},
];
/**
* The script won't be initialized if we turned off onboarding by
* setting "browser.onboarding.enabled" to false.
*/
class Onboarding {
constructor(contentWindow) {
this.init(contentWindow);
this._bundle = Services.strings.createBundle(BUNDLE_URI);
}
async init(contentWindow) {
this._window = contentWindow;
this._tourItems = [];
this._tourPages = [];
// We want to create and append elements after CSS is loaded so
// no flash of style changes and no additional reflow.
await this._loadCSS();
this._overlayIcon = this._renderOverlayIcon();
this._overlay = this._renderOverlay();
this._window.document.body.appendChild(this._overlayIcon);
this._window.document.body.appendChild(this._overlay);
this._loadJS(UITOUR_JS_URI);
this._loadJS(TOUR_AGENT_JS_URI);
this._overlayIcon.addEventListener("click", this);
this._overlay.addEventListener("click", this);
// Destroy on unload. This is to ensure we remove all the stuff we left.
// No any leak out there.
this._window.addEventListener("unload", () => this.destroy());
this._initPrefObserver();
}
_initPrefObserver() {
if (this._prefsObserved) {
return;
}
this._prefsObserved = new Map();
this._prefsObserved.set("browser.onboarding.hidden", prefValue => {
if (prefValue) {
this.destroy();
}
});
for (let [name, callback] of this._prefsObserved) {
Preferences.observe(name, callback);
}
}
_clearPrefObserver() {
if (this._prefsObserved) {
for (let [name, callback] of this._prefsObserved) {
Preferences.ignore(name, callback);
}
this._prefsObserved = null;
}
}
/**
* @param {String} action the action to ask the chrome to do
* @param {Array} params the parameters for the action
*/
sendMessageToChrome(action, params) {
sendAsyncMessage("Onboarding:OnContentMessage", {
action, params
});
}
handleEvent(evt) {
switch (evt.target.id) {
case "onboarding-overlay-icon":
case "onboarding-overlay-close-btn":
// If the clicking target is directly on the outer-most overlay,
// that means clicking outside the tour content area.
// Let's toggle the overlay.
case "onboarding-overlay":
this.toggleOverlay();
break;
}
if (evt.target.classList.contains("onboarding-tour-item")) {
this.gotoPage(evt.target.id);
}
}
destroy() {
this._clearPrefObserver();
this._overlayIcon.remove();
this._overlay.remove();
}
toggleOverlay() {
if (this._tourItems.length == 0) {
// Lazy loading until first toggle.
this._loadTours(onboardingTours);
}
this._overlay.classList.toggle("opened");
let hiddenCheckbox = this._window.document.getElementById("onboarding-tour-hidden-checkbox");
if (hiddenCheckbox.checked) {
this.hide();
return;
}
this._overlay.classList.toggle("onboarding-opened");
}
gotoPage(tourId) {
let targetPageId = `${tourId}-page`;
for (let page of this._tourPages) {
page.style.display = page.id != targetPageId ? "none" : "";
}
for (let li of this._tourItems) {
if (li.id == tourId) {
li.classList.add("onboarding-active");
} else {
li.classList.remove("onboarding-active");
}
}
}
hide() {
this.sendMessageToChrome("set-prefs", [
{
name: "browser.onboarding.hidden",
value: true
},
{
name: "browser.onboarding.notification.finished",
value: true
}
]);
}
_renderOverlay() {
let div = this._window.document.createElement("div");
div.id = "onboarding-overlay";
// Here we use `innerHTML` is for more friendly reading.
// The security should be fine because this is not from an external input.
// We're not shipping yet so l10n strings is going to be closed for now.
div.innerHTML = `
<div id="onboarding-overlay-dialog">
<span id="onboarding-overlay-close-btn"></span>
<header id="onboarding-header"></header>
<nav>
<ul id="onboarding-tour-list"></ul>
</nav>
<footer id="onboarding-footer">
<input type="checkbox" id="onboarding-tour-hidden-checkbox" /><label for="onboarding-tour-hidden-checkbox"></label>
</footer>
</div>
`;
div.querySelector("label[for='onboarding-tour-hidden-checkbox']").textContent =
this._bundle.GetStringFromName("onboarding.hidden-checkbox-label");
div.querySelector("#onboarding-header").textContent =
this._bundle.formatStringFromName("onboarding.overlay-title", [BRAND_SHORT_NAME], 1);
return div;
}
_renderOverlayIcon() {
let img = this._window.document.createElement("div");
img.id = "onboarding-overlay-icon";
return img;
}
_loadTours(tours) {
let itemsFrag = this._window.document.createDocumentFragment();
let pagesFrag = this._window.document.createDocumentFragment();
for (let tour of tours) {
// Create tour navigation items dynamically
let li = this._window.document.createElement("li");
li.textContent = this._bundle.GetStringFromName(tour.tourNameId);
li.id = tour.id;
li.className = "onboarding-tour-item";
itemsFrag.appendChild(li);
// Dynamically create tour pages
let div = tour.getPage(this._window);
// Do a traverse for elements in the page that need to be localized.
let l10nElements = div.querySelectorAll("[data-l10n-id]");
for (let i = 0; i < l10nElements.length; i++) {
let element = l10nElements[i];
// We always put brand short name as the first argument for it's the
// only and frequently used arguments in our l10n case. Rewrite it if
// other arguments appears.
element.textContent = this._bundle.formatStringFromName(
element.dataset.l10nId, [BRAND_SHORT_NAME], 1);
}
div.id = `${tour.id}-page`;
div.classList.add("onboarding-tour-page");
div.style.display = "none";
pagesFrag.appendChild(div);
// Cache elements in arrays for later use to avoid cost of querying elements
this._tourItems.push(li);
this._tourPages.push(div);
}
let dialog = this._window.document.getElementById("onboarding-overlay-dialog");
let ul = this._window.document.getElementById("onboarding-tour-list");
ul.appendChild(itemsFrag);
let footer = this._window.document.getElementById("onboarding-footer");
dialog.insertBefore(pagesFrag, footer);
this.gotoPage(tours[0].id);
}
_loadCSS() {
// Returning a Promise so we can inform caller of loading complete
// by resolving it.
return new Promise(resolve => {
let doc = this._window.document;
let link = doc.createElement("link");
link.rel = "stylesheet";
link.type = "text/css";
link.href = ONBOARDING_CSS_URL;
link.addEventListener("load", resolve);
doc.head.appendChild(link);
});
}
_loadJS(uri) {
let doc = this._window.document;
let script = doc.createElement("script");
script.type = "text/javascript";
script.src = uri;
doc.head.appendChild(script);
}
}
// Load onboarding module only when we enable it.
if (Services.prefs.getBoolPref("browser.onboarding.enabled", false) &&
!Services.prefs.getBoolPref("browser.onboarding.hidden", false)) {
addEventListener("load", function onLoad(evt) {
if (!content || evt.target != content.document) {
return;
}
removeEventListener("load", onLoad);
let window = evt.target.defaultView;
let location = window.location.href;
if (location == ABOUT_NEWTAB_URL || location == ABOUT_HOME_URL) {
window.requestIdleCallback(() => {
new Onboarding(window);
});
}
}, true);
}