Revert "Delete the ViewManager and WindowManager services."

services/window_manager/window_manager_impl.h

+// 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.
+
+#ifndef SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_IMPL_H_
+#define SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_IMPL_H_
+
+#include "base/logging.h"
+#include "base/macros.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/services/view_manager/cpp/types.h"
+#include "mojo/services/window_manager/interfaces/window_manager.mojom.h"
+
+namespace window_manager {
+
+class WindowManagerRoot;
+
+class WindowManagerImpl : public mojo::WindowManager {
+ public:
+  // WindowManagerImpl is fully owned by WindowManagerRoot.
+  // |from_vm| is set to true when this service is connected from a view
+  // manager.
+  WindowManagerImpl(WindowManagerRoot* window_manager,
+                    mojo::ScopedMessagePipeHandle window_manager_pipe,
+                    bool from_vm);
+  ~WindowManagerImpl() override;
+
+  void NotifyViewFocused(mojo::Id focused_id);
+  void NotifyWindowActivated(mojo::Id active_id);
+  void NotifyCaptureChanged(mojo::Id capture_id);
+
+ private:
+  // mojo::WindowManager:
+  void Embed(const mojo::String& url,
+             mojo::InterfaceRequest<mojo::ServiceProvider> services,
+             mojo::ServiceProviderPtr exposed_services) override;
+  void SetCapture(uint32_t view_id,
+                  const mojo::Callback<void(bool)>& callback) override;
+  void FocusWindow(uint32_t view_id,
+                   const mojo::Callback<void(bool)>& callback) override;
+  void ActivateWindow(uint32_t view_id,
+                      const mojo::Callback<void(bool)>& callback) override;
+  void GetFocusedAndActiveViews(
+      mojo::WindowManagerObserverPtr observer,
+      const mojo::WindowManager::GetFocusedAndActiveViewsCallback& callback)
+      override;
+
+  WindowManagerRoot* window_manager_;
+
+  // Whether this connection originated from the ViewManager. Connections that
+  // originate from the view manager are expected to have clients. Connections
+  // that don't originate from the view manager do not have clients.
+  const bool from_vm_;
+
+  mojo::Binding<mojo::WindowManager> binding_;
+  mojo::WindowManagerObserverPtr observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(WindowManagerImpl);
+};
+
+}  // namespace window_manager
+
+#endif  // SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_IMPL_H_