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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
// We use importESModule here instead of static import so that
// the Karma test environment won't choke on this module. This
// is because the Karma test environment already stubs out
// XPCOMUtils and overrides importESModule to be a no-op (which
// can't be done for a static import statement).
// eslint-disable-next-line mozilla/use-static-import
const { XPCOMUtils } = ChromeUtils.importESModule(
"resource://gre/modules/XPCOMUtils.sys.mjs"
);
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
CustomizableUI:
"moz-src:///browser/components/customizableui/CustomizableUI.sys.mjs",
PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
RemoteL10n: "resource:///modules/asrouter/RemoteL10n.sys.mjs",
});
XPCOMUtils.defineLazyServiceGetter(
lazy,
"TrackingDBService",
"@mozilla.org/tracking-db-service;1",
Ci.nsITrackingDBService
);
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"milestones",
"browser.contentblocking.cfr-milestone.milestones",
"[]",
null,
JSON.parse
);
const POPUP_NOTIFICATION_ID = "contextual-feature-recommendation";
const SUMO_BASE_URL = Services.urlFormatter.formatURLPref(
"app.support.baseURL"
);
const ADDONS_API_URL =
const DELAY_BEFORE_EXPAND_MS = 1000;
const CATEGORY_ICONS = {
cfrAddons: "webextensions-icon",
cfrFeatures: "recommendations-icon",
cfrHeartbeat: "highlights-icon",
};
/**
* A WeakMap from browsers to {host, recommendation} pairs. Recommendations are
* defined in the ExtensionDoorhanger.schema.json.
*
* A recommendation is specific to a browser and host and is active until the
* given browser is closed or the user navigates (within that browser) away from
* the host.
*/
let RecommendationMap = new WeakMap();
/**
* A WeakMap from windows to their CFR PageAction.
*/
let PageActionMap = new WeakMap();
/**
* We need one PageAction for each window
*/
export class PageAction {
constructor(win, dispatchCFRAction) {
this.window = win;
this.urlbar = win.gURLBar; // The global URLBar object
this.urlbarinput = win.gURLBar.textbox; // The URLBar DOM node
this.container = win.document.getElementById(
"contextual-feature-recommendation"
);
this.button = win.document.getElementById("cfr-button");
this.label = win.document.getElementById("cfr-label");
// This should NOT be use directly to dispatch message-defined actions attached to buttons.
// Please use dispatchUserAction instead.
this._dispatchCFRAction = dispatchCFRAction;
this._popupStateChange = this._popupStateChange.bind(this);
this._collapse = this._collapse.bind(this);
this._cfrUrlbarButtonClick = this._cfrUrlbarButtonClick.bind(this);
this._executeNotifierAction = this._executeNotifierAction.bind(this);
this.dispatchUserAction = this.dispatchUserAction.bind(this);
// Saved timeout IDs for scheduled state changes, so they can be cancelled
this.stateTransitionTimeoutIDs = [];
ChromeUtils.defineLazyGetter(this, "isDarkTheme", () => {
try {
return this.window.document.documentElement.hasAttribute(
"lwt-toolbar-field-brighttext"
);
} catch (e) {
return false;
}
});
}
addImpression(recommendation) {
this._dispatchImpression(recommendation);
// Only send an impression ping upon the first expansion.
// Note that when the user clicks on the "show" button on the asrouter admin
// page (both `bucket_id` and `id` will be set as null), we don't want to send
// the impression ping in that case.
if (!!recommendation.id && !!recommendation.content.bucket_id) {
this._sendTelemetry({
message_id: recommendation.id,
bucket_id: recommendation.content.bucket_id,
event: "IMPRESSION",
});
}
}
reloadL10n() {
lazy.RemoteL10n.reloadL10n();
}
async showAddressBarNotifier(recommendation, shouldExpand = false) {
this.container.hidden = false;
let notificationText = await this.getStrings(
recommendation.content.notification_text
);
this.label.value = notificationText;
if (notificationText.attributes) {
this.button.setAttribute(
"tooltiptext",
notificationText.attributes.tooltiptext
);
// For a11y, we want the more descriptive text.
this.container.setAttribute(
"aria-label",
notificationText.attributes.tooltiptext
);
}
this.container.setAttribute(
"data-cfr-icon",
CATEGORY_ICONS[recommendation.content.category]
);
if (recommendation.content.active_color) {
this.container.style.setProperty(
"--cfr-active-color",
recommendation.content.active_color
);
}
if (recommendation.content.active_text_color) {
this.container.style.setProperty(
"--cfr-active-text-color",
recommendation.content.active_text_color
);
}
// Wait for layout to flush to avoid a synchronous reflow then calculate the
// label width. We can safely get the width even though the recommendation is
// collapsed; the label itself remains full width (with its overflow hidden)
let [{ width }] = await this.window.promiseDocumentFlushed(() =>
this.label.getClientRects()
);
this.urlbarinput.style.setProperty("--cfr-label-width", `${width}px`);
this.container.addEventListener("click", this._cfrUrlbarButtonClick);
// Collapse the recommendation on url bar focus in order to free up more
// space to display and edit the url
this.urlbar.addEventListener("focus", this._collapse);
if (shouldExpand) {
this._clearScheduledStateChanges();
// After one second, expand
this._expand(DELAY_BEFORE_EXPAND_MS);
this.addImpression(recommendation);
}
if (notificationText.attributes) {
this.window.A11yUtils.announce({
raw: notificationText.attributes["a11y-announcement"],
source: this.container,
});
}
}
hideAddressBarNotifier() {
this.container.hidden = true;
this._clearScheduledStateChanges();
this.urlbarinput.removeAttribute("cfr-recommendation-state");
this.container.removeEventListener("click", this._cfrUrlbarButtonClick);
this.urlbar.removeEventListener("focus", this._collapse);
if (this.currentNotification) {
this.window.PopupNotifications.remove(this.currentNotification);
this.currentNotification = null;
}
}
_expand(delay) {
if (delay > 0) {
this.stateTransitionTimeoutIDs.push(
this.window.setTimeout(() => {
this.urlbarinput.setAttribute("cfr-recommendation-state", "expanded");
}, delay)
);
} else {
// Non-delayed state change overrides any scheduled state changes
this._clearScheduledStateChanges();
this.urlbarinput.setAttribute("cfr-recommendation-state", "expanded");
}
}
_collapse(delay) {
if (delay > 0) {
this.stateTransitionTimeoutIDs.push(
this.window.setTimeout(() => {
if (
this.urlbarinput.getAttribute("cfr-recommendation-state") ===
"expanded"
) {
this.urlbarinput.setAttribute(
"cfr-recommendation-state",
"collapsed"
);
}
}, delay)
);
} else {
// Non-delayed state change overrides any scheduled state changes
this._clearScheduledStateChanges();
if (
this.urlbarinput.getAttribute("cfr-recommendation-state") === "expanded"
) {
this.urlbarinput.setAttribute("cfr-recommendation-state", "collapsed");
}
}
}
_clearScheduledStateChanges() {
while (this.stateTransitionTimeoutIDs.length) {
// clearTimeout is safe even with invalid/expired IDs
this.window.clearTimeout(this.stateTransitionTimeoutIDs.pop());
}
}
// This is called when the popup closes as a result of interaction _outside_
// the popup, e.g. by hitting <esc>
_popupStateChange(state) {
if (state === "shown") {
if (this._autoFocus) {
this.window.document.commandDispatcher.advanceFocusIntoSubtree(
this.currentNotification.owner.panel
);
this._autoFocus = false;
}
} else if (state === "removed") {
if (this.currentNotification) {
this.window.PopupNotifications.remove(this.currentNotification);
this.currentNotification = null;
}
} else if (state === "dismissed") {
const message = RecommendationMap.get(this.currentNotification?.browser);
this._sendTelemetry({
message_id: message?.id,
bucket_id: message?.content.bucket_id,
event: "DISMISS",
});
this._collapse();
}
}
shouldShowDoorhanger(recommendation) {
if (recommendation.content.layout === "chiclet_open_url") {
return false;
}
return true;
}
dispatchUserAction(action) {
this._dispatchCFRAction(
{ type: "USER_ACTION", data: action },
this.window.gBrowser.selectedBrowser
);
}
_dispatchImpression(message) {
this._dispatchCFRAction({ type: "IMPRESSION", data: message });
}
_sendTelemetry(ping) {
const data = { action: "cfr_user_event", source: "CFR", ...ping };
if (lazy.PrivateBrowsingUtils.isWindowPrivate(this.window)) {
data.is_private = true;
}
this._dispatchCFRAction({
type: "DOORHANGER_TELEMETRY",
data,
});
}
_blockMessage(messageID) {
this._dispatchCFRAction({
type: "BLOCK_MESSAGE_BY_ID",
data: { id: messageID },
});
}
maybeLoadCustomElement(win) {
if (!win.customElements.get("remote-text")) {
Services.scriptloader.loadSubScript(
"chrome://browser/content/asrouter/components/remote-text.js",
win
);
}
}
/**
* getStrings - Handles getting the localized strings vs message overrides.
* If string_id is not defined it assumes you passed in an override
* message and it just returns it.
* If subAttribute is provided, the string for it is returned.
* @return A string. One of 1) passed in string 2) a String object with
* attributes property if there are attributes 3) the sub attribute.
*/
async getStrings(string, subAttribute = "") {
if (!string.string_id) {
if (subAttribute) {
if (string.attributes) {
return string.attributes[subAttribute];
}
console.error(`String ${string.value} does not contain any attributes`);
return subAttribute;
}
if (typeof string.value === "string") {
const stringWithAttributes = new String(string.value); // eslint-disable-line no-new-wrappers
stringWithAttributes.attributes = string.attributes;
return stringWithAttributes;
}
return string;
}
const [localeStrings] = await lazy.RemoteL10n.l10n.formatMessages([
{
id: string.string_id,
args: string.args,
},
]);
const mainString = new String(localeStrings.value); // eslint-disable-line no-new-wrappers
if (localeStrings.attributes) {
const attributes = localeStrings.attributes.reduce((acc, attribute) => {
acc[attribute.name] = attribute.value;
return acc;
}, {});
mainString.attributes = attributes;
}
return subAttribute ? mainString.attributes[subAttribute] : mainString;
}
async _setAddonRating(document, content) {
const footerFilledStars = this.window.document.getElementById(
"cfr-notification-footer-filled-stars"
);
const footerEmptyStars = this.window.document.getElementById(
"cfr-notification-footer-empty-stars"
);
const footerUsers = this.window.document.getElementById(
"cfr-notification-footer-users"
);
const rating = content.addon?.rating;
if (rating) {
const MAX_RATING = 5;
const STARS_WIDTH = 16 * MAX_RATING;
const calcWidth = stars => `${(stars / MAX_RATING) * STARS_WIDTH}px`;
const filledWidth =
rating <= MAX_RATING ? calcWidth(rating) : calcWidth(MAX_RATING);
const emptyWidth =
rating <= MAX_RATING ? calcWidth(MAX_RATING - rating) : calcWidth(0);
footerFilledStars.style.width = filledWidth;
footerEmptyStars.style.width = emptyWidth;
const ratingString = await this.getStrings(
{
string_id: "cfr-doorhanger-extension-rating",
args: { total: rating },
},
"tooltiptext"
);
footerFilledStars.setAttribute("tooltiptext", ratingString);
footerEmptyStars.setAttribute("tooltiptext", ratingString);
} else {
footerFilledStars.style.width = "";
footerEmptyStars.style.width = "";
footerFilledStars.removeAttribute("tooltiptext");
footerEmptyStars.removeAttribute("tooltiptext");
}
const users = content.addon?.users;
if (users) {
footerUsers.setAttribute("value", users);
footerUsers.hidden = false;
} else {
// Prevent whitespace around empty label from affecting other spacing
footerUsers.hidden = true;
footerUsers.removeAttribute("value");
}
}
_createElementAndAppend({ type, id }, parent) {
let element = this.window.document.createXULElement(type);
if (id) {
element.setAttribute("id", id);
}
parent.appendChild(element);
return element;
}
async _renderMilestonePopup(message, browser) {
this.maybeLoadCustomElement(this.window);
let { content, id } = message;
let { primary, secondary } = content.buttons;
let earliestDate = await lazy.TrackingDBService.getEarliestRecordedDate();
let timestamp = earliestDate ?? new Date().getTime();
let panelTitle = "";
let headerLabel = this.window.document.getElementById(
"cfr-notification-header-label"
);
let reachedMilestone = 0;
let totalSaved = await lazy.TrackingDBService.sumAllEvents();
for (let milestone of lazy.milestones) {
if (totalSaved >= milestone) {
reachedMilestone = milestone;
}
}
if (headerLabel.firstChild) {
headerLabel.firstChild.remove();
}
headerLabel.appendChild(
lazy.RemoteL10n.createElement(this.window.document, "span", {
content: message.content.heading_text,
attributes: {
blockedCount: reachedMilestone,
date: timestamp,
},
})
);
// Use the message layout as a CSS selector to hide different parts of the
// notification template markup
this.window.document
.getElementById("contextual-feature-recommendation-notification")
.setAttribute("data-notification-category", content.layout);
this.window.document
.getElementById("contextual-feature-recommendation-notification")
.setAttribute("data-notification-bucket", content.bucket_id);
let primaryBtnString = await this.getStrings(primary.label);
let primaryActionCallback = () => {
this.dispatchUserAction(primary.action);
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event: "CLICK_BUTTON",
});
RecommendationMap.delete(browser);
// Invalidate the pref after the user interacts with the button.
// We don't need to show the illustration in the privacy panel.
Services.prefs.clearUserPref(
"browser.contentblocking.cfr-milestone.milestone-shown-time"
);
};
let secondaryBtnString = await this.getStrings(secondary[0].label);
let secondaryActionsCallback = () => {
this.dispatchUserAction(secondary[0].action);
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event: "DISMISS",
});
RecommendationMap.delete(browser);
};
let mainAction = {
label: primaryBtnString,
accessKey: primaryBtnString.attributes.accesskey,
callback: primaryActionCallback,
};
let secondaryActions = [
{
label: secondaryBtnString,
accessKey: secondaryBtnString.attributes.accesskey,
callback: secondaryActionsCallback,
},
];
// Actually show the notification
this.currentNotification = this.window.PopupNotifications.show(
browser,
POPUP_NOTIFICATION_ID,
panelTitle,
"cfr",
mainAction,
secondaryActions,
{
hideClose: true,
persistWhileVisible: true,
recordTelemetryInPrivateBrowsing: content.show_in_private_browsing,
}
);
Services.prefs.setIntPref(
"browser.contentblocking.cfr-milestone.milestone-achieved",
reachedMilestone
);
Services.prefs.setStringPref(
"browser.contentblocking.cfr-milestone.milestone-shown-time",
Date.now().toString()
);
}
// eslint-disable-next-line max-statements
async _renderPopup(message, browser) {
this.maybeLoadCustomElement(this.window);
const { id, content } = message;
const headerLabel = this.window.document.getElementById(
"cfr-notification-header-label"
);
const headerLink = this.window.document.getElementById(
"cfr-notification-header-link"
);
const headerImage = this.window.document.getElementById(
"cfr-notification-header-image"
);
const footerText = this.window.document.getElementById(
"cfr-notification-footer-text"
);
const footerLink = this.window.document.getElementById(
"cfr-notification-footer-learn-more-link"
);
const { primary, secondary } = content.buttons;
let primaryActionCallback;
let persistent = !!content.persistent_doorhanger;
let options = {
persistent,
persistWhileVisible: persistent,
recordTelemetryInPrivateBrowsing: content.show_in_private_browsing,
};
let panelTitle;
headerLabel.value = await this.getStrings(content.heading_text);
if (content.info_icon) {
headerLink.setAttribute(
"href",
SUMO_BASE_URL + content.info_icon.sumo_path
);
headerImage.setAttribute(
"tooltiptext",
await this.getStrings(content.info_icon.label, "tooltiptext")
);
}
headerLink.onclick = () =>
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event: "RATIONALE",
});
// Use the message layout as a CSS selector to hide different parts of the
// notification template markup
this.window.document
.getElementById("contextual-feature-recommendation-notification")
.setAttribute("data-notification-category", content.layout);
this.window.document
.getElementById("contextual-feature-recommendation-notification")
.setAttribute("data-notification-bucket", content.bucket_id);
const author = this.window.document.getElementById(
"cfr-notification-author"
);
if (author.firstChild) {
author.firstChild.remove();
}
switch (content.layout) {
case "icon_and_message": {
// Clearing content and styles that may have been set by a prior addon_recommendation CFR
this._setAddonRating(this.window.document, content);
author.appendChild(
lazy.RemoteL10n.createElement(this.window.document, "span", {
content: content.text,
})
);
primaryActionCallback = () => {
this._blockMessage(id);
this.dispatchUserAction(primary.action);
this.hideAddressBarNotifier();
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event: "ENABLE",
});
RecommendationMap.delete(browser);
};
let getIcon = () => {
if (content.icon_dark_theme && this.isDarkTheme) {
return content.icon_dark_theme;
}
return content.icon;
};
let learnMoreURL = content.learn_more
? SUMO_BASE_URL + content.learn_more
: null;
panelTitle = await this.getStrings(content.heading_text);
options = {
popupIconURL: getIcon(),
popupIconClass: content.icon_class,
learnMoreURL,
...options,
};
break;
}
default: {
const authorText = await this.getStrings({
string_id: "cfr-doorhanger-extension-author",
args: { name: content.addon.author },
});
panelTitle = await this.getStrings(content.addon.title);
await this._setAddonRating(this.window.document, content);
if (footerText.firstChild) {
footerText.firstChild.remove();
}
if (footerText.lastChild) {
footerText.lastChild.remove();
}
// Main body content of the dropdown
footerText.appendChild(
lazy.RemoteL10n.createElement(this.window.document, "span", {
content: content.text,
})
);
footerLink.value = await this.getStrings({
string_id: "cfr-doorhanger-extension-learn-more-link",
});
footerLink.setAttribute("href", content.addon.amo_url);
footerLink.onclick = () =>
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event: "LEARN_MORE",
});
footerText.appendChild(footerLink);
options = {
popupIconURL: content.addon.icon,
popupIconClass: content.icon_class,
name: authorText,
...options,
};
primaryActionCallback = async () => {
primary.action.data.url =
// eslint-disable-next-line no-use-before-define
await CFRPageActions._fetchLatestAddonVersion(content.addon.id);
this._blockMessage(id);
this.dispatchUserAction(primary.action);
this.hideAddressBarNotifier();
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event: "INSTALL",
});
RecommendationMap.delete(browser);
};
}
}
const primaryBtnStrings = await this.getStrings(primary.label);
const mainAction = {
label: primaryBtnStrings,
accessKey: primaryBtnStrings.attributes.accesskey,
callback: primaryActionCallback,
};
let _renderSecondaryButtonAction = async (event, button) => {
let label = await this.getStrings(button.label);
let { attributes } = label;
return {
label,
accessKey: attributes.accesskey,
callback: () => {
if (button.action) {
this.dispatchUserAction(button.action);
} else {
this._blockMessage(id);
this.hideAddressBarNotifier();
RecommendationMap.delete(browser);
}
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event,
});
// We want to collapse if needed when we dismiss
this._collapse();
},
};
};
// For each secondary action, define default telemetry event
const defaultSecondaryEvent = ["DISMISS", "BLOCK", "MANAGE"];
const secondaryActions = await Promise.all(
secondary.map((button, i) => {
return _renderSecondaryButtonAction(
button.event || defaultSecondaryEvent[i],
button
);
})
);
// If the recommendation button is focused, it was probably activated via
// the keyboard. Therefore, focus the first element in the notification when
// it appears.
// We don't use the autofocus option provided by PopupNotifications.show
// because it doesn't focus the first element; i.e. the user still has to
// press tab once. That's not good enough, especially for screen reader
// users. Instead, we handle this ourselves in _popupStateChange.
this._autoFocus = this.window.document.activeElement === this.container;
// Actually show the notification
this.currentNotification = this.window.PopupNotifications.show(
browser,
POPUP_NOTIFICATION_ID,
panelTitle,
"cfr",
mainAction,
secondaryActions,
{
...options,
hideClose: true,
eventCallback: this._popupStateChange,
}
);
}
_executeNotifierAction(browser, message) {
switch (message.content.layout) {
case "chiclet_open_url":
this._dispatchCFRAction(
{
type: "USER_ACTION",
data: {
type: "OPEN_URL",
data: {
args: message.content.action.url,
where: message.content.action.where,
},
},
},
this.window
);
break;
}
this._blockMessage(message.id);
this.hideAddressBarNotifier();
RecommendationMap.delete(browser);
}
/**
* Respond to a user click on the recommendation by showing a doorhanger/
* popup notification or running the action defined in the message
*/
async _cfrUrlbarButtonClick() {
const browser = this.window.gBrowser.selectedBrowser;
if (!RecommendationMap.has(browser)) {
// There's no recommendation for this browser, so the user shouldn't have
// been able to click
this.hideAddressBarNotifier();
return;
}
const message = RecommendationMap.get(browser);
const { id, content } = message;
this._sendTelemetry({
message_id: id,
bucket_id: content.bucket_id,
event: "CLICK_DOORHANGER",
});
if (this.shouldShowDoorhanger(message)) {
// The recommendation should remain either collapsed or expanded while the
// doorhanger is showing
this._clearScheduledStateChanges(browser, message);
await this.showPopup();
} else {
await this._executeNotifierAction(browser, message);
}
}
_getVisibleElement(idOrEl) {
const element =
typeof idOrEl === "string"
? idOrEl && this.window.document.getElementById(idOrEl)
: idOrEl;
if (!element) {
return null; // element doesn't exist at all
}
const { visibility, display } = this.window.getComputedStyle(element);
if (
!this.window.isElementVisible(element) ||
visibility !== "visible" ||
display === "none"
) {
// CSS rules like visibility: hidden or display: none. these result in
// element being invisible and unclickable.
return null;
}
let widget = lazy.CustomizableUI.getWidget(idOrEl);
if (
widget &&
(this.window.CustomizationHandler.isCustomizing() ||
widget.areaType?.includes("panel"))
) {
// The element is a customizable widget (a toolbar item, e.g. the
// reload button or the downloads button). Widgets can be in various
// areas, like the overflow panel or the customization palette.
// Widgets in the palette are present in the chrome's DOM during
// customization, but can't be used.
return null;
}
return element;
}
async showPopup() {
const browser = this.window.gBrowser.selectedBrowser;
const message = RecommendationMap.get(browser);
const { content } = message;
// A hacky way of setting the popup anchor outside the usual url bar icon box
browser.cfrpopupnotificationanchor =
this._getVisibleElement(content.anchor_id) ||
this._getVisibleElement(content.alt_anchor_id) ||
this._getVisibleElement(this.button) ||
this._getVisibleElement(this.container);
await this._renderPopup(message, browser);
}
async showMilestonePopup() {
const browser = this.window.gBrowser.selectedBrowser;
const message = RecommendationMap.get(browser);
const { content } = message;
// A hacky way of setting the popup anchor outside the usual url bar icon box
browser.cfrpopupnotificationanchor =
this.window.document.getElementById(content.anchor_id) || this.container;
await this._renderMilestonePopup(message, browser);
return true;
}
}
function isHostMatch(browser, host) {
return (
browser.documentURI.scheme.startsWith("http") &&
browser.documentURI.host === host
);
}
export const CFRPageActions = {
// For testing purposes
RecommendationMap,
PageActionMap,
/**
* To be called from browser.js on a location change, passing in the browser
* that's been updated
*/
updatePageActions(browser) {
const win = browser.ownerGlobal;
const pageAction = PageActionMap.get(win);
if (!pageAction || browser !== win.gBrowser.selectedBrowser) {
return;
}
if (RecommendationMap.has(browser)) {
const recommendation = RecommendationMap.get(browser);
if (
!recommendation.content.skip_address_bar_notifier &&
(isHostMatch(browser, recommendation.host) ||
// If there is no host associated we assume we're back on a tab
// that had a CFR message so we should show it again
!recommendation.host)
) {
// The browser has a recommendation specified with this host, so show
// the page action
pageAction.showAddressBarNotifier(recommendation);
} else if (!recommendation.content.persistent_doorhanger) {
if (recommendation.retain) {
// Keep the recommendation first time the user navigates away just in
// case they will go back to the previous page
pageAction.hideAddressBarNotifier();
recommendation.retain = false;
} else {
// The user has navigated away from the specified host in the given
// browser, so the recommendation is no longer valid and should be removed
RecommendationMap.delete(browser);
pageAction.hideAddressBarNotifier();
}
}
} else {
// There's no recommendation specified for this browser, so hide the page action
pageAction.hideAddressBarNotifier();
}
},
/**
* Fetch the URL to the latest add-on xpi so the recommendation can download it.
* @param id The add-on ID
* @return A string for the URL that was fetched
*/
async _fetchLatestAddonVersion(id) {
let url = null;
try {
const response = await fetch(`${ADDONS_API_URL}/${id}/`, {
credentials: "omit",
});
if (response.status !== 204 && response.ok) {
const json = await response.json();
url = json.current_version.files[0].url;
}
} catch (e) {
console.error(
"Failed to get the latest add-on version for this recommendation"
);
}
return url;
},
/**
* Force a recommendation to be shown. Should only happen via the Admin page.
* @param browser The browser for the recommendation
* @param recommendation The recommendation to show
* @param dispatchCFRAction A function to dispatch resulting actions to
* @return Did adding the recommendation succeed?
*/
async forceRecommendation(browser, recommendation, dispatchCFRAction) {
if (!browser) {
return false;
}
// If we are forcing via the Admin page, the browser comes in a different format
const win = browser.ownerGlobal;
const { id, content } = recommendation;
RecommendationMap.set(browser, {
id,
content,
retain: true,
});
if (!PageActionMap.has(win)) {
PageActionMap.set(win, new PageAction(win, dispatchCFRAction));
}
if (content.skip_address_bar_notifier) {
if (recommendation.template === "milestone_message") {
await PageActionMap.get(win).showMilestonePopup();
PageActionMap.get(win).addImpression(recommendation);
} else {
await PageActionMap.get(win).showPopup();
PageActionMap.get(win).addImpression(recommendation);
}
} else {
await PageActionMap.get(win).showAddressBarNotifier(recommendation, true);
}
return true;
},
/**
* Add a recommendation specific to the given browser and host.
* @param browser The browser for the recommendation
* @param host The host for the recommendation
* @param recommendation The recommendation to show
* @param dispatchCFRAction A function to dispatch resulting actions to
* @return Did adding the recommendation succeed?
*/
async addRecommendation(browser, host, recommendation, dispatchCFRAction) {
if (!browser) {
return false;
}
const win = browser.ownerGlobal;
if (
browser !== win.gBrowser.selectedBrowser ||
// We can have recommendations without URL restrictions
(host && !isHostMatch(browser, host))
) {
return false;
}
if (RecommendationMap.has(browser)) {
// Don't replace an existing message
return false;
}
const { id, content } = recommendation;
if (
!content.show_in_private_browsing &&
lazy.PrivateBrowsingUtils.isWindowPrivate(win)
) {
return false;
}
RecommendationMap.set(browser, {
id,
host,
content,
retain: true,
});
if (!PageActionMap.has(win)) {
PageActionMap.set(win, new PageAction(win, dispatchCFRAction));
}
if (content.skip_address_bar_notifier) {
if (recommendation.template === "milestone_message") {
await PageActionMap.get(win).showMilestonePopup();
PageActionMap.get(win).addImpression(recommendation);
} else {
// Tracking protection messages
await PageActionMap.get(win).showPopup();
PageActionMap.get(win).addImpression(recommendation);
}
} else {
// Doorhanger messages
await PageActionMap.get(win).showAddressBarNotifier(recommendation, true);
}
return true;
},
/**
* Clear all recommendations and hide all PageActions
*/
clearRecommendations() {
// WeakMaps aren't iterable so we have to test all existing windows
for (const win of Services.wm.getEnumerator("navigator:browser")) {
if (win.closed || !PageActionMap.has(win)) {
continue;
}
PageActionMap.get(win).hideAddressBarNotifier();
}
// WeakMaps don't have a `clear` method
PageActionMap = new WeakMap();
RecommendationMap = new WeakMap();
this.PageActionMap = PageActionMap;
this.RecommendationMap = RecommendationMap;
},
/**
* Reload the l10n Fluent files for all PageActions
*/
reloadL10n() {
for (const win of Services.wm.getEnumerator("navigator:browser")) {
if (win.closed || !PageActionMap.has(win)) {
continue;
}
PageActionMap.get(win).reloadL10n();
}
},
};