mojo/services/html_viewer/html_viewer.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/message_loop/message_loop.h"
   6 #include "mojo/public/c/system/main.h"
   7 #include "mojo/public/cpp/application/application_connection.h"
   8 #include "mojo/public/cpp/application/application_delegate.h"
   9 #include "mojo/public/cpp/application/application_impl.h"
  10 #include "mojo/public/cpp/application/application_runner_chromium.h"
  11 #include "mojo/public/cpp/application/interface_factory_impl.h"
  12 #include "mojo/services/html_viewer/blink_platform_impl.h"
  13 #include "mojo/services/html_viewer/html_document_view.h"
  14 #include "mojo/services/public/cpp/view_manager/types.h"
  15 #include "mojo/services/public/cpp/view_manager/view.h"
  16 #include "mojo/services/public/cpp/view_manager/view_manager.h"
  17 #include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h"
  18 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
  19 #include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
  20 #include "third_party/WebKit/public/web/WebKit.h"
  21
  22 namespace mojo {
  23
  24 class HTMLViewer;
  25
  26 class NavigatorImpl : public InterfaceImpl<Navigator> {
  27  public:
  28   explicit NavigatorImpl(HTMLViewer* viewer) : viewer_(viewer) {}
  29   virtual ~NavigatorImpl() {}
  30
  31  private:
  32   // Overridden from Navigator:
  33   virtual void Navigate(
  34       uint32_t view_id,
  35       NavigationDetailsPtr navigation_details,
  36       ResponseDetailsPtr response_details) OVERRIDE;
  37
  38   HTMLViewer* viewer_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
  41 };
  42
  43 class HTMLViewer : public ApplicationDelegate, public ViewManagerDelegate {
  44  public:
  45   HTMLViewer()
  46       : application_impl_(NULL),
  47         document_view_(NULL),
  48         navigator_factory_(this),
  49         view_manager_client_factory_(this) {}
  50   virtual ~HTMLViewer() {
  51     blink::shutdown();
  52   }
  53
  54   void Load(ResponseDetailsPtr response_details) {
  55     // Need to wait for OnEmbed.
  56     response_details_ = response_details.Pass();
  57     MaybeLoad();
  58   }
  59
  60  private:
  61   // Overridden from ApplicationDelegate:
  62   virtual void Initialize(ApplicationImpl* app) OVERRIDE {
  63     application_impl_ = app;
  64     blink_platform_impl_.reset(new BlinkPlatformImpl(app));
  65     blink::initialize(blink_platform_impl_.get());
  66   }
  67
  68   virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
  69       OVERRIDE {
  70     connection->AddService(&navigator_factory_);
  71     connection->AddService(&view_manager_client_factory_);
  72     return true;
  73   }
  74
  75   // Overridden from ViewManagerDelegate:
  76   virtual void OnEmbed(ViewManager* view_manager,
  77                        View* root,
  78                        ServiceProviderImpl* exported_services,
  79                        scoped_ptr<ServiceProvider> imported_services) OVERRIDE {
  80     document_view_ = new HTMLDocumentView(
  81         application_impl_->ConnectToApplication("mojo://mojo_window_manager/")->
  82             GetServiceProvider(),
  83         view_manager);
  84     document_view_->AttachToView(root);
  85     MaybeLoad();
  86   }
  87   virtual void OnViewManagerDisconnected(ViewManager* view_manager) OVERRIDE {
  88     base::MessageLoop::current()->Quit();
  89   }
  90
  91   void MaybeLoad() {
  92     if (document_view_ && response_details_ && response_details_->response)
  93       document_view_->Load(response_details_->response.Pass());
  94   }
  95
  96   scoped_ptr<BlinkPlatformImpl> blink_platform_impl_;
  97   ApplicationImpl* application_impl_;
  98
  99   // TODO(darin): Figure out proper ownership of this instance.
 100   HTMLDocumentView* document_view_;
 101   ResponseDetailsPtr response_details_;
 102   InterfaceFactoryImplWithContext<NavigatorImpl, HTMLViewer> navigator_factory_;
 103   ViewManagerClientFactory view_manager_client_factory_;
 104
 105   DISALLOW_COPY_AND_ASSIGN(HTMLViewer);
 106 };
 107
 108 void NavigatorImpl::Navigate(
 109     uint32_t view_id,
 110     NavigationDetailsPtr navigation_details,
 111     ResponseDetailsPtr response_details) {
 112   viewer_->Load(response_details.Pass());
 113 }
 114
 115 }  // namespace mojo
 116
 117 MojoResult MojoMain(MojoHandle shell_handle) {
 118   mojo::ApplicationRunnerChromium runner(new mojo::HTMLViewer);
 119   return runner.Run(shell_handle);
 120 }