Mojo: Use InterfaceFactory<Interface> for service registration

mojo/examples/png_viewer/png_viewer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_tokenizer.h"
 #include "mojo/examples/media_viewer/media_viewer.mojom.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/context_interface_provider.h"
 #include "mojo/services/public/cpp/view_manager/node.h"
 #include "mojo/services/public/cpp/view_manager/types.h"
 #include "mojo/services/public/cpp/view_manager/view.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
 #include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
 #include "skia/ext/platform_canvas.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkScalar.h"
 #include "ui/gfx/codec/png_codec.h"
 
 namespace mojo {
 namespace examples {
 
 class PNGViewer;
 
 class ZoomableMediaImpl : public InterfaceImpl<ZoomableMedia> {
  public:
-  ZoomableMediaImpl(ApplicationConnection* connection,
-                    PNGViewer* viewer) : viewer_(viewer) {}
+  explicit ZoomableMediaImpl(PNGViewer* viewer) : viewer_(viewer) {}
   virtual ~ZoomableMediaImpl() {}
 
  private:
   // Overridden from ZoomableMedia:
   virtual void ZoomIn() OVERRIDE;
   virtual void ZoomOut() OVERRIDE;
   virtual void ZoomToActualSize() OVERRIDE;
 
   PNGViewer* viewer_;
 
   DISALLOW_COPY_AND_ASSIGN(ZoomableMediaImpl);
 };
 
 class NavigatorImpl : public InterfaceImpl<navigation::Navigator> {
  public:
-  NavigatorImpl(ApplicationConnection* connection,
-                PNGViewer* viewer) : viewer_(viewer) {}
+  explicit NavigatorImpl(PNGViewer* viewer) : viewer_(viewer) {}
   virtual ~NavigatorImpl() {}
 
  private:
   // Overridden from navigation::Navigate:
   virtual void Navigate(
       uint32_t node_id,
       navigation::NavigationDetailsPtr navigation_details,
       navigation::ResponseDetailsPtr response_details) OVERRIDE {
     int content_length = GetContentLength(response_details->response->headers);
     unsigned char* data = new unsigned char[content_length];
@@ skipping 41 matching lines @@
       }
     }
     return 0;
   }
 
   PNGViewer* viewer_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
 };
 
-class PNGViewer : public ApplicationDelegate,
-                  public view_manager::ViewManagerDelegate {
+class PNGViewer
+    : public ApplicationDelegate,
+      public view_manager::ViewManagerDelegate,
+      public ContextInterfaceProvider<NavigatorImpl, PNGViewer>,
+      public ContextInterfaceProvider<ZoomableMediaImpl, PNGViewer> {
  public:
-  PNGViewer() : content_view_(NULL), zoom_percentage_(kDefaultZoomPercentage) {}
+  PNGViewer()
+      : ContextInterfaceProvider<NavigatorImpl, PNGViewer>(this),
+        ContextInterfaceProvider<ZoomableMediaImpl, PNGViewer>(this),
+        content_view_(NULL),
+        zoom_percentage_(kDefaultZoomPercentage) {}
   virtual ~PNGViewer() {}
 
   void UpdateView(view_manager::Id node_id, const SkBitmap& bitmap) {
     bitmap_ = bitmap;
     zoom_percentage_ = kDefaultZoomPercentage;
     DrawBitmap();
   }
 
   void ZoomIn() {
     if (zoom_percentage_ >= kMaxZoomPercentage)
@@ skipping 18 matching lines @@
 
  private:
   static const uint16_t kMaxZoomPercentage = 400;
   static const uint16_t kMinZoomPercentage = 20;
   static const uint16_t kDefaultZoomPercentage = 100;
   static const uint16_t kZoomStep = 20;
 
   // Overridden from ApplicationDelegate:
   virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
       MOJO_OVERRIDE {
-    connection->AddService<NavigatorImpl>(this);
-    connection->AddService<ZoomableMediaImpl>(this);
+    connection->AddServiceProvider<navigation::Navigator>(this);
+    connection->AddServiceProvider<ZoomableMedia>(this);
     view_manager::ViewManager::ConfigureIncomingConnection(connection, this);
     return true;
   }
 
   // Overridden from view_manager::ViewManagerDelegate:
   virtual void OnRootAdded(view_manager::ViewManager* view_manager,
                            view_manager::Node* root) OVERRIDE {
     content_view_ = view_manager::View::Create(view_manager);
     root->SetActiveView(content_view_);
     content_view_->SetColor(SK_ColorGRAY);
@@ skipping 47 matching lines @@
 }
 
 }  // namespace examples
 
 // static
 ApplicationDelegate* ApplicationDelegate::Create() {
   return new examples::PNGViewer;
 }
 
 }  // namespace mojo