mojo/examples/embedded_app/embedded_app.cc

   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 #include "base/basictypes.h"
   6 #include "base/bind.h"
   7 #include "base/logging.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "mojo/public/c/system/main.h"
  11 #include "mojo/public/cpp/application/application_connection.h"
  12 #include "mojo/public/cpp/application/application_delegate.h"
  13 #include "mojo/public/cpp/application/application_impl.h"
  14 #include "mojo/public/cpp/application/application_runner_chromium.h"
  15 #include "mojo/public/cpp/application/connect.h"
  16 #include "mojo/public/cpp/application/interface_factory_impl.h"
  17 #include "mojo/services/public/cpp/view_manager/view.h"
  18 #include "mojo/services/public/cpp/view_manager/view_manager.h"
  19 #include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h"
  20 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
  21 #include "mojo/services/public/cpp/view_manager/view_observer.h"
  22 #include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
  23 #include "ui/events/event_constants.h"
  24 #include "url/gurl.h"
  25 #include "url/url_util.h"
  26
  27 namespace mojo {
  28 namespace examples {
  29
  30 const SkColor kColors[] = {SK_ColorYELLOW, SK_ColorRED, SK_ColorGREEN,
  31                            SK_ColorMAGENTA};
  32
  33 struct Window {
  34   Window(View* root, scoped_ptr<ServiceProvider> embedder_service_provider)
  35       : root(root),
  36         embedder_service_provider(embedder_service_provider.Pass()) {}
  37   View* root;
  38   scoped_ptr<ServiceProvider> embedder_service_provider;
  39 };
  40
  41 class EmbeddedApp
  42     : public ApplicationDelegate,
  43       public ViewManagerDelegate,
  44       public ViewObserver {
  45  public:
  46   EmbeddedApp() { url::AddStandardScheme("mojo"); }
  47   virtual ~EmbeddedApp() {}
  48
  49  private:
  50
  51   // Overridden from ApplicationDelegate:
  52   virtual void Initialize(ApplicationImpl* app) MOJO_OVERRIDE {
  53     view_manager_client_factory_.reset(
  54         new ViewManagerClientFactory(app->shell(), this));
  55   }
  56
  57   virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
  58       MOJO_OVERRIDE {
  59     connection->AddService(view_manager_client_factory_.get());
  60     return true;
  61   }
  62
  63   // Overridden from ViewManagerDelegate:
  64   virtual void OnEmbed(ViewManager* view_manager,
  65                        View* root,
  66                        ServiceProviderImpl* exported_services,
  67                        scoped_ptr<ServiceProvider> imported_services) OVERRIDE {
  68     root->AddObserver(this);
  69     windows_[root->id()] = new Window(root, imported_services.Pass());
  70     root->SetColor(kColors[next_color_++ % arraysize(kColors)]);
  71   }
  72   virtual void OnViewManagerDisconnected(ViewManager* view_manager) OVERRIDE {
  73     base::MessageLoop::current()->Quit();
  74   }
  75
  76   // Overridden from ViewObserver:
  77   virtual void OnViewDestroyed(View* view) OVERRIDE {
  78     DCHECK(windows_.find(view->id()) != windows_.end());
  79     windows_.erase(view->id());
  80   }
  81   virtual void OnViewInputEvent(View* view, const EventPtr& event) OVERRIDE {
  82     if (event->action == EVENT_TYPE_MOUSE_RELEASED) {
  83       if (event->flags & EVENT_FLAGS_LEFT_MOUSE_BUTTON) {
  84         NavigationDetailsPtr nav_details(NavigationDetails::New());
  85         nav_details->request->url =
  86             "http://www.aaronboodman.com/z_dropbox/test.html";
  87         NavigatorHostPtr navigator_host;
  88         ConnectToService(windows_[view->id()]->embedder_service_provider.get(),
  89                          &navigator_host);
  90         navigator_host->RequestNavigate(TARGET_SOURCE_NODE, nav_details.Pass());
  91       }
  92     }
  93   }
  94
  95   scoped_ptr<ViewManagerClientFactory> view_manager_client_factory_;
  96
  97   typedef std::map<Id, Window*> WindowMap;
  98   WindowMap windows_;
  99
 100   int next_color_;
 101
 102   DISALLOW_COPY_AND_ASSIGN(EmbeddedApp);
 103 };
 104
 105 }  // namespace examples
 106 }  // namespace mojo
 107
 108 MojoResult MojoMain(MojoHandle shell_handle) {
 109   mojo::ApplicationRunnerChromium runner(new mojo::examples::EmbeddedApp);
 110   return runner.Run(shell_handle);
 111 }