Wires up view manager to an actual display

mojo/services/view_manager/root_view_manager.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 MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_
+#define MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_
+
+#include <map>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "mojo/public/cpp/gles2/gles2.h"
+#include "mojo/services/view_manager/view_manager_export.h"
+
+namespace aura {
+namespace client {
+class WindowTreeClient;
+}
+class WindowTreeHost;
+}
+
+namespace gfx {
+class Screen;
+}
+
+namespace mojo {
+
+class Shell;
+
+namespace services {
+namespace view_manager {
+
+class RootNodeManager;
+
+// RootViewManager binds the root node to an actual display.
+class MOJO_VIEW_MANAGER_EXPORT RootViewManager {
+ public:
+  RootViewManager(Shell* shell, RootNodeManager* root_node);
+  virtual ~RootViewManager();
+
+  // See description above field for details.
+  bool in_setup() const { return in_setup_; }
+
+ private:
+  void OnCompositorCreated();
+
+  Shell* shell_;
+  RootNodeManager* root_node_manager_;
+
+  GLES2Initializer gles_initializer_;
+
+  // Returns true if adding the root node's window to |window_tree_host_|.
+  bool in_setup_;
+
+  scoped_ptr<gfx::Screen> screen_;
+  scoped_ptr<aura::WindowTreeHost> window_tree_host_;
+  scoped_ptr<aura::client::WindowTreeClient> window_tree_client_;
+
+  DISALLOW_COPY_AND_ASSIGN(RootViewManager);
+};
+
+}  // namespace view_manager
+}  // namespace services
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_