third_party/mojo_services/src/public/js/application.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 define("mojo/services/public/js/application", [
   6   "mojo/public/js/bindings",
   7   "mojo/public/js/core",
   8   "mojo/public/js/connection",
   9   "mojo/public/js/threading",
  10   "mojo/public/interfaces/application/application.mojom",
  11   "mojo/services/public/js/service_exchange",
  12   "mojo/services/public/js/shell",
  13 ], function(bindings, core, connection, threading, applicationMojom, serviceExchange, shell) {
  14
  15   const ApplicationInterface = applicationMojom.Application;
  16   const ProxyBindings = bindings.ProxyBindings;
  17   const ServiceExchange = serviceExchange.ServiceExchange;
  18   const Shell = shell.Shell;
  19
  20   class Application {
  21     constructor(appRequestHandle, url) {
  22       this.url = url;
  23       this.serviceExchanges = [];
  24       this.appRequestHandle_ = appRequestHandle;
  25       this.appStub_ =
  26           connection.bindHandleToStub(appRequestHandle, ApplicationInterface);
  27       bindings.StubBindings(this.appStub_).delegate = {
  28           initialize: this.doInitialize.bind(this),
  29           acceptConnection: this.doAcceptConnection.bind(this),
  30       };
  31     }
  32
  33     doInitialize(shellProxy, args, url) {
  34       this.shellProxy_ = shellProxy;
  35       this.shell = new Shell(shellProxy);
  36       this.initialize(args);
  37     }
  38
  39     initialize(args) {
  40     }
  41
  42     // Implements AcceptConnection() from Application.mojom. Calls
  43     // this.acceptConnection() with a JS ServiceExchange instead of a pair
  44     // of Mojo ServiceProviders.
  45     doAcceptConnection(requestorUrl, servicesRequest, exposedServicesProxy) {
  46       var serviceExchange =
  47         new ServiceExchange(servicesRequest, exposedServicesProxy);
  48       this.serviceExchanges.push(serviceExchange);
  49       this.acceptConnection(requestorUrl, serviceExchange);
  50     }
  51
  52     // Subclasses override this method to request or provide services for
  53     // ConnectToApplication() calls from requestorURL.
  54     acceptConnection(requestorUrl, serviceExchange) {
  55     }
  56
  57     quit() {
  58       this.serviceExchanges.forEach(function(exch) {
  59         exch.close();
  60       });
  61       this.shell.close();
  62       core.close(this.appRequestHandle_);
  63       threading.quit();
  64     }
  65   }
  66
  67   var exports = {};
  68   exports.Application = Application;
  69   return exports;
  70 });