third_party/mojo_services/src/public/js/shell.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/shell", [
   6   "mojo/public/js/bindings",
   7   "mojo/public/js/core",
   8   "mojo/public/js/connection",
   9   "mojo/public/interfaces/application/shell.mojom",
  10   "mojo/public/interfaces/application/service_provider.mojom",
  11   "mojo/services/public/js/service_exchange",
  12 ], function(bindings, core, connection, shellMojom, spMojom, serviceExchange) {
  13
  14   const ProxyBindings = bindings.ProxyBindings;
  15   const StubBindings = bindings.StubBindings;
  16   const ServiceExchange = serviceExchange.ServiceExchange;
  17   const ServiceProviderInterface = spMojom.ServiceProvider;
  18   const ShellInterface = shellMojom.Shell;
  19
  20   class Shell {
  21     constructor(shellProxy) {
  22       this.shellProxy = shellProxy;
  23       this.applications_ = new Map();
  24     }
  25
  26     connectToApplication(url) {
  27       var application = this.applications_.get(url);
  28       if (application)
  29         return application;
  30
  31       var application = new ServiceExchange();
  32       this.shellProxy.connectToApplication(url,
  33           function(servicesProxy) {
  34             application.proxy = servicesProxy;
  35           },
  36           function(exposedServicesStub) {
  37             application.stub = exposedServicesStub;
  38             StubBindings(exposedServicesStub).delegate = application;
  39           });
  40       this.applications_.set(url, application);
  41       return application;
  42     }
  43
  44     connectToService(url, service) {
  45       return this.connectToApplication(url).requestService(service);
  46     };
  47
  48     close() {
  49       this.applications_.forEach(function(application, url) {
  50         application.close();
  51       });
  52       ProxyBindings(this.shellProxy).close();
  53       this.applications_.clear();
  54     }
  55   }
  56
  57   var exports = {};
  58   exports.Shell = Shell;
  59   return exports;
  60 });