gecko-dev/webapprt/content/mochitest.js

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3.0 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/. */
/* Note: this script is loaded by both mochitest.xul and head.js, so make sure
* the code you put here can be evaluated by both! */
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://webapprt/modules/WebappRT.jsm");
const MANIFEST_URL_BASE = Services.io.newURI(
"http://mochi.test:8888/webapprtChrome/webapprt/test/chrome/", null, null);
// When WebappsHandler opens an install confirmation dialog for apps we install,
// close it, which will be seen as the equivalent of cancelling the install.
// This doesn't prevent us from installing those apps, as we listen for the same
// notification as WebappsHandler and do the install ourselves. It just
// prevents the modal installation confirmation dialogs from hanging tests.
Services.ww.registerNotification({
observe: function(win, topic) {
if (topic == "domwindowopened") {
// Wait for load because the window is not yet sufficiently initialized.
win.addEventListener("load", function onLoadWindow() {
win.removeEventListener("load", onLoadWindow, false);
if (win.location == "chrome://global/content/commonDialog.xul" &&
win.opener == window) {
win.close();
}
}, false);
}
}
});
/**
* Transmogrify the runtime session into one for the given webapp.
*
* @param {String} manifestURL
* The URL of the webapp's manifest, relative to the base URL.
* Note that the base URL points to the *chrome* WebappRT mochitests,
* so you must supply an absolute URL to manifests elsewhere.
* @param {Object} parameters
* The value to pass as the "parameters" argument to
* mozIDOMApplicationRegistry.install, e.g., { receipts: ... }.
* Use undefined to pass nothing.
* @param {Function} onBecome
* The callback to call once the transmogrification is complete.
*/
function becomeWebapp(manifestURL, parameters, onBecome) {
function observeInstall(subj, topic, data) {
Services.obs.removeObserver(observeInstall, "webapps-ask-install");
// Step 2: Configure the runtime session to represent the app.
// We load DOMApplicationRegistry into a local scope to avoid appearing
// to leak it.
let scope = {};
Cu.import("resource://gre/modules/Webapps.jsm", scope);
scope.DOMApplicationRegistry.confirmInstall(JSON.parse(data));
let installRecord = JSON.parse(data);
installRecord.registryDir = Services.dirsvc.get("ProfD", Ci.nsIFile).path;
WebappRT.config = installRecord;
onBecome();
}
Services.obs.addObserver(observeInstall, "webapps-ask-install", false);
// Step 1: Install the app at the URL specified by the manifest.
let url = Services.io.newURI(manifestURL, null, MANIFEST_URL_BASE);
navigator.mozApps.install(url.spec, parameters);
}