First step at synchronizing client model changes with service.

mojo/examples/sample_view_manager_app/sample_view_manager_app.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 "base/at_exit.h"
 #include "base/bind.h"
-#include "mojo/public/cpp/bindings/allocation_scope.h"
-#include "mojo/public/cpp/bindings/remote_ptr.h"
+#include "base/command_line.h"
+#include "base/message_loop/message_loop.h"
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/shell/application.h"
 #include "mojo/public/cpp/system/core.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "mojo/public/cpp/utility/run_loop.h"
-#include "mojo/public/interfaces/shell/shell.mojom.h"
-#include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
+#include "mojo/services/public/cpp/view_manager/view_manager.h"
+#include "mojo/services/public/cpp/view_manager/view_tree_node.h"
 
 #if defined(WIN32)
 #if !defined(CDECL)
 #define CDECL __cdecl
 #endif
 #define SAMPLE_APP_EXPORT __declspec(dllexport)
 #else
 #define CDECL
 #define SAMPLE_APP_EXPORT __attribute__((visibility("default")))
 #endif
 
 namespace mojo {
 namespace examples {
 
-class SampleApp : public Application,
-                  public services::view_manager::ViewManagerClient {
+class SampleApp : public Application {
  public:
-  explicit SampleApp(MojoHandle shell_handle) : Application(shell_handle) {
-    InterfacePipe<services::view_manager::ViewManager, AnyInterface>
-        view_manager_pipe;
-    AllocationScope scope;
-    shell()->Connect("mojo:mojo_view_manager",
-                     view_manager_pipe.handle_to_peer.Pass());
-    view_manager_.reset(view_manager_pipe.handle_to_self.Pass(), this);
-    view_manager_->CreateNode(1, base::Bind(&SampleApp::OnCreatedView,
-                                            base::Unretained(this)));
+  explicit SampleApp(MojoHandle shell_handle)
+      : Application(shell_handle) {
+    view_manager_.reset(new services::view_manager::ViewManager(shell()));
+    node_1_.reset(
+        new services::view_manager::ViewTreeNode(view_manager_.get()));
+    node_11_.reset(
+      new services::view_manager::ViewTreeNode(view_manager_.get()));
+    node_1_->AddChild(node_11_.get());
   }
 
   virtual ~SampleApp() {
   }
 
-  // ViewManagerClient::
-  virtual void OnConnectionEstablished(uint16_t connection_id) OVERRIDE {
-  }
-  virtual void OnNodeHierarchyChanged(uint32_t node,
-                                      uint32_t new_parent,
-                                      uint32_t old_parent,
-                                      uint32_t change_id) OVERRIDE {
-  }
-  virtual void OnNodeViewReplaced(uint32_t node,
-                                  uint32_t old_view_id,
-                                  uint32_t new_view_id,
-                                  uint32_t change_id) OVERRIDE {
-  }
+ private:
+  // SampleApp creates a ViewManager and a trivial node hierarchy.
+  scoped_ptr<services::view_manager::ViewManager> view_manager_;
+  scoped_ptr<services::view_manager::ViewTreeNode> node_1_;
+  scoped_ptr<services::view_manager::ViewTreeNode> node_11_;
 
- private:
-  void OnCreatedView(bool success) {
-    DCHECK(success);
-  }
-
-  RemotePtr<services::view_manager::ViewManager> view_manager_;
+  DISALLOW_COPY_AND_ASSIGN(SampleApp);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 extern "C" SAMPLE_APP_EXPORT MojoResult CDECL MojoMain(
     MojoHandle shell_handle) {
-  mojo::Environment env;
-  mojo::RunLoop loop;
+  base::MessageLoop loop;
 
   mojo::examples::SampleApp app(shell_handle);
   loop.Run();
   return MOJO_RESULT_OK;
 }