Revert "Delete the ViewManager and WindowManager services."

services/view_manager/view_manager_root_connection.cc

+// Copyright 2015 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 "services/view_manager/view_manager_root_connection.h"
+
+#include "base/trace_event/trace_event.h"
+#include "mojo/public/cpp/application/application_connection.h"
+#include "mojo/public/cpp/application/application_impl.h"
+#include "services/view_manager/client_connection.h"
+#include "services/view_manager/connection_manager.h"
+#include "services/view_manager/display_manager.h"
+#include "services/view_manager/view_manager_service_impl.h"
+
+using mojo::ApplicationConnection;
+using mojo::InterfaceRequest;
+using mojo::ViewManagerService;
+using mojo::WindowManagerInternalClient;
+
+namespace view_manager {
+
+ViewManagerRootConnection::ViewManagerRootConnection(
+    mojo::ApplicationImpl* application_impl,
+    ViewManagerRootConnectionObserver* observer)
+    : app_impl_(application_impl), observer_(observer) {}
+
+ViewManagerRootConnection::~ViewManagerRootConnection() {
+  observer_->OnCloseViewManagerRootConnection(this);
+}
+
+bool ViewManagerRootConnection::Init(mojo::ApplicationConnection* connection) {
+  TRACE_EVENT0("view_manager", __func__);
+  if (connection_manager_.get()) {
+    NOTREACHED() << "Only one incoming connection is allowed.";
+  }
+  // |connection| originates from the WindowManager. Let it connect directly
+  // to the ViewManager and WindowManagerInternalClient.
+  connection->AddService<ViewManagerService>(this);
+  connection->AddService<WindowManagerInternalClient>(this);
+  connection->ConnectToService(&wm_internal_);
+  // If no ServiceProvider has been sent, refuse the connection.
+  if (!wm_internal_) {
+    delete this;
+    return false;
+  }
+  wm_internal_.set_connection_error_handler(
+      base::Bind(&ViewManagerRootConnection::OnLostConnectionToWindowManager,
+                 base::Unretained(this)));
+
+  scoped_ptr<DefaultDisplayManager> display_manager(new DefaultDisplayManager(
+      app_impl_, connection,
+      base::Bind(&ViewManagerRootConnection::OnLostConnectionToWindowManager,
+                 base::Unretained(this))));
+  connection_manager_.reset(
+      new ConnectionManager(this, display_manager.Pass(), wm_internal_.get()));
+  return true;
+}
+
+void ViewManagerRootConnection::OnLostConnectionToWindowManager() {
+  delete this;
+}
+
+ClientConnection*
+ViewManagerRootConnection::CreateClientConnectionForEmbedAtView(
+    ConnectionManager* connection_manager,
+    mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
+    mojo::ConnectionSpecificId creator_id,
+    const std::string& creator_url,
+    const std::string& url,
+    const ViewId& root_id) {
+  TRACE_EVENT0("view_manager", __func__);
+  mojo::ViewManagerClientPtr client;
+  app_impl_->ConnectToService(url, &client);
+
+  scoped_ptr<ViewManagerServiceImpl> service(new ViewManagerServiceImpl(
+      connection_manager, creator_id, creator_url, url, root_id));
+  return new DefaultClientConnection(service.Pass(), connection_manager,
+                                     service_request.Pass(), client.Pass());
+}
+
+ClientConnection*
+ViewManagerRootConnection::CreateClientConnectionForEmbedAtView(
+    ConnectionManager* connection_manager,
+    mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
+    mojo::ConnectionSpecificId creator_id,
+    const std::string& creator_url,
+    const ViewId& root_id,
+    mojo::ViewManagerClientPtr view_manager_client) {
+  TRACE_EVENT0("view_manager", __func__);
+  scoped_ptr<ViewManagerServiceImpl> service(new ViewManagerServiceImpl(
+      connection_manager, creator_id, creator_url, std::string(), root_id));
+  return new DefaultClientConnection(service.Pass(), connection_manager,
+                                     service_request.Pass(),
+                                     view_manager_client.Pass());
+}
+
+void ViewManagerRootConnection::Create(
+    ApplicationConnection* connection,
+    InterfaceRequest<ViewManagerService> request) {
+  TRACE_EVENT0("view_manager", __func__);
+  if (connection_manager_->has_window_manager_client_connection()) {
+    VLOG(1) << "ViewManager interface requested more than once.";
+    return;
+  }
+
+  scoped_ptr<ViewManagerServiceImpl> service(new ViewManagerServiceImpl(
+      connection_manager_.get(), kInvalidConnectionId, std::string(),
+      std::string("mojo:window_manager"), RootViewId()));
+  mojo::ViewManagerClientPtr client;
+  wm_internal_client_request_ = GetProxy(&client);
+  scoped_ptr<ClientConnection> client_connection(
+      new DefaultClientConnection(service.Pass(), connection_manager_.get(),
+                                  request.Pass(), client.Pass()));
+  connection_manager_->SetWindowManagerClientConnection(
+      client_connection.Pass());
+}
+
+void ViewManagerRootConnection::Create(
+    ApplicationConnection* connection,
+    InterfaceRequest<WindowManagerInternalClient> request) {
+  TRACE_EVENT0("view_manager", __func__);
+  if (wm_internal_client_binding_.get()) {
+    VLOG(1) << "WindowManagerInternalClient requested more than once.";
+    return;
+  }
+
+  // ConfigureIncomingConnection() must have been called before getting here.
+  DCHECK(connection_manager_.get());
+  wm_internal_client_binding_.reset(
+      new mojo::Binding<WindowManagerInternalClient>(connection_manager_.get(),
+                                                     request.Pass()));
+  wm_internal_client_binding_->set_connection_error_handler(
+      base::Bind(&ViewManagerRootConnection::OnLostConnectionToWindowManager,
+                 base::Unretained(this)));
+  wm_internal_->SetViewManagerClient(
+      wm_internal_client_request_.PassMessagePipe());
+}
+
+}  // namespace view_manager