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Bug 1795090 - Standup about:messagepreview page r=barret
Differential Revision: https://phabricator.services.mozilla.com/D161211
1 parent 651d38f commit 668611b

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+211
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lines changed

‎browser/components/BrowserGlue.jsm

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@@ -249,6 +249,19 @@ let JSWINDOWACTORS = {
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remoteTypes: ["privilegedabout"],
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},
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AboutMessagePreview: {
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parent: {
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esModuleURI: "resource:///actors/AboutMessagePreviewParent.sys.mjs",
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},
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child: {
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esModuleURI: "resource:///actors/AboutMessagePreviewChild.sys.mjs",
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events: {
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DOMDocElementInserted: { capture: true },
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},
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},
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matches: ["about:messagepreview", "about:messagepreview?*"],
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},
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AboutNewTab: {
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parent: {
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esModuleURI: "resource:///actors/AboutNewTabParent.sys.mjs",

‎browser/components/about/AboutRedirector.cpp

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@@ -106,6 +106,13 @@ static const RedirEntry kRedirMap[] = {
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nsIAboutModule::URI_CAN_LOAD_IN_PRIVILEGEDABOUT_PROCESS |
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nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
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nsIAboutModule::ALLOW_SCRIPT},
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#ifdef NIGHTLY_BUILD
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{"messagepreview",
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"chrome://browser/content/messagepreview/messagepreview.html",
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nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
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nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
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nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::HIDE_FROM_ABOUTABOUT},
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#endif
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{"pocket-saved", "chrome://pocket/content/panels/saved.html",
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nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
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nsIAboutModule::URI_MUST_LOAD_IN_CHILD | nsIAboutModule::ALLOW_SCRIPT |

‎browser/components/about/components.conf

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@@ -13,6 +13,7 @@ pages = [
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'logins',
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'loginsimportreport',
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'firefoxview',
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'messagepreview',
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'newtab',
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'ion',
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'pocket-home',

‎browser/components/messagepreview/actors/AboutMessagePreviewChild.sys.mjs

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/* 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 http://mozilla.org/MPL/2.0/. */
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export class AboutMessagePreviewChild extends JSWindowActorChild {
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handleEvent(event) {
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console.log(`Received page event ${event.type}`);
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}
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actorCreated() {
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this.exportFunctions();
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}
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exportFunctions() {
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const window = this.contentWindow;
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Cu.exportFunction(this.MPShowMessage.bind(this), window, {
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defineAs: "MPShowMessage",
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});
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}
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MPShowMessage(message) {
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this.sendAsyncMessage(`MessagePreview:SHOW_MESSAGE`, message);
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}
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}

‎browser/components/messagepreview/actors/AboutMessagePreviewParent.sys.mjs

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/* vim: set ts=2 sw=2 sts=2 et tw=80: */
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/* 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 http://mozilla.org/MPL/2.0/. */
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import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
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import { JsonSchema } from "resource://gre/modules/JsonSchema.sys.mjs";
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const lazy = {};
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XPCOMUtils.defineLazyModuleGetters(lazy, {
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InfoBar: "resource://activity-stream/lib/InfoBar.jsm",
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});
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export class AboutMessagePreviewParent extends JSWindowActorParent {
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showInfoBar(message) {
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const browser = this.browsingContext.topChromeWindow.gBrowser
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.selectedBrowser;
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lazy.InfoBar.showInfoBarMessage(browser, message, () => {});
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}
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async showMessage(data) {
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let message;
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try {
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message = JSON.parse(data);
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} catch (e) {
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console.error("Could not parse message", e);
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return;
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}
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const schema = await fetch(
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"resource://activity-stream/schemas/MessagingExperiment.schema.json",
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{ credentials: "omit" }
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).then(rsp => rsp.json());
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const result = JsonSchema.validate(message, schema);
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if (!result.valid) {
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console.error(
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`Invalid message: ${JSON.stringify(result.errors, undefined, 2)}`
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);
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}
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switch (message.template) {
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case "infobar":
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this.showInfoBar(message);
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return;
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default:
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console.error(`Unsupported message template ${message.template}`);
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}
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}
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receiveMessage(message) {
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const { name, data } = message;
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switch (name) {
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case "MessagePreview:SHOW_MESSAGE":
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this.showMessage(data);
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break;
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default:
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console.log(`Unexpected event ${name} was not handled.`);
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}
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}
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}

‎browser/components/messagepreview/jar.mn

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# 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 http://mozilla.org/MPL/2.0/.
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browser.jar:
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content/browser/messagepreview/messagepreview.html
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content/browser/messagepreview/messagepreview.js
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content/browser/messagepreview/limelight.svg
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content/browser/messagepreview/messagepreview.css
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‎browser/components/messagepreview/limelight.svg

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Loading

‎browser/components/messagepreview/messagepreview.css

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/* 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 http://mozilla.org/MPL/2.0/. */
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html {
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position: fixed;
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}
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html,
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body {
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height: 100%;
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width: 100%;
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background: url(chrome://browser/content/messagepreview/limelight.svg)
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center/contain no-repeat;
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filter: opacity(0.05);
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}

‎browser/components/messagepreview/messagepreview.html

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@@ -0,0 +1,26 @@
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<!--
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# 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 http://mozilla.org/MPL/2.0/.
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-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<meta
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http-equiv="Content-Security-Policy"
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content="default-src resource: chrome:; object-src 'none'; img-src data: chrome:;"
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>
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<title>about:messagepreview</title>
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<link
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rel="icon"
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href="chrome://browser/content/messagepreview/limelight.svg"
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>
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<link rel="stylesheet" href="chrome://global/skin/in-content/common.css">
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<link rel="stylesheet" href="chrome://browser/content/messagepreview/messagepreview.css">
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<script src="chrome://browser/content/messagepreview/messagepreview.js"></script>
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</head>
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<body></body>
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</html>

‎browser/components/messagepreview/messagepreview.js

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/* 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 http://mozilla.org/MPL/2.0/. */
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/* global MPShowMessage */
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"use strict";
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function decodeMessageFromUrl() {
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const url = new URL(document.location.href);
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if (url.searchParams.has("json")) {
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const encodedMessage = url.searchParams.get("json");
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return atob(encodedMessage);
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}
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return null;
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}
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const message = decodeMessageFromUrl();
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if (message) {
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MPShowMessage(message);
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}

‎browser/components/messagepreview/moz.build

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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
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# vim: set filetype=python:
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# 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 http://mozilla.org/MPL/2.0/.
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if CONFIG["NIGHTLY_BUILD"]:
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JAR_MANIFESTS += ["jar.mn"]
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FINAL_LIBRARY = "browsercomps"
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with Files("**"):
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BUG_COMPONENT = ("Firefox", "Messaging System")
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FINAL_TARGET_FILES.actors += [
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"actors/AboutMessagePreviewChild.sys.mjs",
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"actors/AboutMessagePreviewParent.sys.mjs",
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]

‎browser/components/moz.build

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@@ -39,6 +39,7 @@ DIRS += [
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"extensions",
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"firefoxview",
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"ion",
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"messagepreview",
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"migration",
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"newtab",
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"originattributes",

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