gecko/webapprt/test/chrome/head.js

64 lines
2.6 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/. */
const INSTALL_URL =
"http://mochi.test:8888/webapprtChrome/webapprt/test/chrome/install.html";
Cu.import("resource://gre/modules/Services.jsm");
/**
* Installs the given webapp and navigates to it.
*
* @param manifestPath
* The path of the webapp's manifest relative to
* http://mochi.test:8888/webapprtChrome/webapprt/test/chrome/.
* @param parameters
* The value to pass as the "parameters" argument to
* mozIDOMApplicationRegistry.install, e.g., { receipts: ... }. Use
* undefined to pass nothing.
* @param callback
* Called when the newly installed webapp is navigated to. It's passed
* the webapp's config object.
*/
function installWebapp(manifestPath, parameters, onInstall) {
// Three steps: (1) Load install.html, (2) listen for webapprt-test-did-
// install to get the app config object, and then (3) listen for load of the
// webapp page to call the callback. webapprt-test-did-install will be
// broadcasted before install.html navigates to the webapp page. (This is due
// to some implementation details: WebappRT.jsm confirms the installation by
// calling DOMApplicationRegistry.confirmInstall, and then it immediately
// broadcasts webapprt-test-did-install. confirmInstall asynchronously
// notifies the mozApps consumer via onsuccess, which is when install.html
// navigates to the webapp page.)
let content = document.getElementById("content");
Services.obs.addObserver(function observe(subj, topic, data) {
// step 2
Services.obs.removeObserver(observe, "webapprt-test-did-install");
let appConfig = JSON.parse(data);
content.addEventListener("load", function onLoad(event) {
// step 3
content.removeEventListener("load", onLoad, true);
let webappURL = appConfig.app.origin + appConfig.app.manifest.launch_path;
is(event.target.URL, webappURL,
"No other page should have loaded between installation and " +
"the webapp's page load: " + event.target.URL);
onInstall(appConfig);
}, true);
}, "webapprt-test-did-install", false);
// step 1
let args = [["manifestPath", manifestPath]];
if (parameters !== undefined) {
args.push(["parameters", parameters]);
}
let queryStr = args.map(function ([key, val])
key + "=" + encodeURIComponent(JSON.stringify(val))).
join("&");
let installURL = INSTALL_URL + "?" + queryStr;
content.loadURI(installURL);
}