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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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 {classes: Cc, interfaces: Ci, manager: Cm, results: Cr, utils: Cu, Constructor: CC} = Components;
Cm.QueryInterface(Ci.nsIComponentRegistrar);
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Console",
"resource://gre/modules/Console.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Services",
"resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyGetter(this, "gFlyWebBundle", function() {
return Services.strings.createBundle("chrome://flyweb/locale/flyweb.properties");
});
const FLYWEB_ENABLED_PREF = "dom.flyweb.enabled";
let factory, menuID;
function AboutFlyWeb() {}
AboutFlyWeb.prototype = Object.freeze({
classDescription: "About page for displaying nearby FlyWeb services",
contractID: "@mozilla.org/network/protocol/about;1?what=flyweb",
classID: Components.ID("{baa04ff0-08b5-11e6-a837-0800200c9a66}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIAboutModule]),
getURIFlags: function(aURI) {
return Ci.nsIAboutModule.ALLOW_SCRIPT;
},
newChannel: function(aURI, aLoadInfo) {
let uri = Services.io.newURI("chrome://flyweb/content/aboutFlyWeb.xhtml", null, null);
let channel = Services.io.newChannelFromURIWithLoadInfo(uri, aLoadInfo);
channel.originalURI = aURI;
return channel;
}
});
function Factory(component) {
this.createInstance = function(outer, iid) {
if (outer) {
throw Cr.NS_ERROR_NO_AGGREGATION;
}
return new component();
};
this.register = function() {
Cm.registerFactory(component.prototype.classID, component.prototype.classDescription, component.prototype.contractID, this);
};
this.unregister = function() {
Cm.unregisterFactory(component.prototype.classID, this);
}
Object.freeze(this);
this.register();
}
let windowListener = {
onOpenWindow: function(aWindow) {
// Wait for the window to finish loading
let domWindow = aWindow.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowInternal || Ci.nsIDOMWindow);
domWindow.addEventListener("UIReady", function onLoad() {
domWindow.removeEventListener("UIReady", onLoad, false);
loadIntoWindow(domWindow);
}, false);
},
onCloseWindow: function(aWindow) {},
onWindowTitleChange: function(aWindow, aTitle) {}
};
let FlyWebUI = {
init() {
factory = new Factory(AboutFlyWeb);
// Load into any existing windows
let windows = Services.wm.getEnumerator("navigator:browser");
while (windows.hasMoreElements()) {
let domWindow = windows.getNext().QueryInterface(Ci.nsIDOMWindow);
loadIntoWindow(domWindow);
}
// Load into any new windows
Services.wm.addListener(windowListener);
},
uninit() {
factory.unregister();
// Stop listening for new windows
Services.wm.removeListener(windowListener);
// Unload from any existing windows
let windows = Services.wm.getEnumerator("navigator:browser");
while (windows.hasMoreElements()) {
let domWindow = windows.getNext().QueryInterface(Ci.nsIDOMWindow);
unloadFromWindow(domWindow);
}
}
};
function loadIntoWindow(aWindow) {
menuID = aWindow.NativeWindow.menu.add({
name: gFlyWebBundle.GetStringFromName("flyweb-menu.name"),
callback() {
aWindow.BrowserApp.addTab("about:flyweb");
}
});
}
function unloadFromWindow(aWindow) {
if (!aWindow) {
return;
}
aWindow.NativeWindow.menu.remove(menuID);
}
function prefObserver(aSubject, aTopic, aData) {
let enabled = Services.prefs.getBoolPref(FLYWEB_ENABLED_PREF);
if (enabled) {
FlyWebUI.init();
} else {
FlyWebUI.uninit();
}
}
function install(aData, aReason) {}
function uninstall(aData, aReason) {}
function startup(aData, aReason) {
// Observe pref changes and enable/disable as necessary.
Services.prefs.addObserver(FLYWEB_ENABLED_PREF, prefObserver, false);
// Only initialize if pref is enabled.
let enabled = Services.prefs.getBoolPref(FLYWEB_ENABLED_PREF);
if (enabled) {
FlyWebUI.init();
}
}
function shutdown(aData, aReason) {
Services.prefs.removeObserver(FLYWEB_ENABLED_PREF, prefObserver);
let enabled = Services.prefs.getBoolPref(FLYWEB_ENABLED_PREF);
if (enabled) {
FlyWebUI.uninit();
}
}
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