import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

mobile/android/extensions/flyweb/bootstrap.js

@@ -0,0 +1,154 @@
+/* -*- 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();
+  }
+}