gecko-dev/webapprt/WebappsHandler.jsm

83 lines
2.7 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/. */
"use strict";
let EXPORTED_SYMBOLS = ["WebappsHandler"];
let Cc = Components.classes;
let Ci = Components.interfaces;
let Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/Webapps.jsm");
Cu.import("resource://gre/modules/WebappsInstaller.jsm");
Cu.import("resource://gre/modules/WebappOSUtils.jsm");
let WebappsHandler = {
init: function() {
Services.obs.addObserver(this, "webapps-ask-install", false);
Services.obs.addObserver(this, "webapps-launch", false);
Services.obs.addObserver(this, "webapps-uninstall", false);
},
observe: function(subject, topic, data) {
data = JSON.parse(data);
data.mm = subject;
switch (topic) {
case "webapps-ask-install":
let chromeWin = this._getWindowByOuterId(data.oid);
if (chromeWin)
this.doInstall(data, chromeWin);
break;
case "webapps-launch":
WebappOSUtils.launch(data);
break;
case "webapps-uninstall":
WebappOSUtils.uninstall(data);
break;
}
},
_getWindowByOuterId: function(outerId) {
let someWindow = Services.wm.getMostRecentWindow(null);
if (!someWindow) {
return null;
}
let content = someWindow.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIDOMWindowUtils).
getOuterWindowWithId(outerId);
return content;
},
doInstall: function(data, window) {
let {name} = data.app.manifest;
let bundle = Services.strings.createBundle("chrome://webapprt/locale/webapp.properties");
let choice = Services.prompt.confirmEx(
window,
bundle.formatStringFromName("webapps.install.title", [name], 1),
bundle.formatStringFromName("webapps.install.description", [name], 1),
// Set both buttons to strings with the cancel button being default
Ci.nsIPromptService.BUTTON_POS_1_DEFAULT |
Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_0 |
Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_1,
bundle.GetStringFromName("webapps.install.install"),
bundle.GetStringFromName("webapps.install.dontinstall"),
null,
null,
{});
// Perform the install if the user allows it
if (choice == 0 && WebappsInstaller.install(data)) {
DOMApplicationRegistry.confirmInstall(data);
}
else {
DOMApplicationRegistry.denyInstall(data);
}
}
};