Removes WmRootWindowController subclasses

ash/common/wm_root_window_controller.h

 // Copyright 2016 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 ASH_COMMON_WM_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_COMMON_WM_ROOT_WINDOW_CONTROLLER_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/wm/workspace/workspace_types.h"
 #include "base/macros.h"
@@ skipping 12 matching lines @@
 class MenuModelAdapter;
 class MenuRunner;
 }
 
 namespace ash {
 
 class AlwaysOnTopController;
 class AnimatingWallpaperWidgetController;
 class DockedWindowLayoutManager;
 class PanelLayoutManager;
+class RootWindowController;
 class SystemModalContainerLayoutManager;
 class SystemTray;
 class WallpaperWidgetController;
 class WmShelf;
 class WmWindow;
 class WorkspaceController;
 
 enum class LoginStatus;
 
 namespace wm {
 class RootWindowLayoutManager;
 }
 
 // Provides state associated with a root of a window hierarchy.
 class ASH_EXPORT WmRootWindowController {
  public:
-  explicit WmRootWindowController(WmWindow* window);
-  virtual ~WmRootWindowController();
+  WmRootWindowController(RootWindowController* root_window_controller,
+                         WmWindow* window);
+  ~WmRootWindowController();
 
   DockedWindowLayoutManager* docked_window_layout_manager() {
     return docked_window_layout_manager_;
   }
 
   PanelLayoutManager* panel_layout_manager() { return panel_layout_manager_; }
 
   wm::RootWindowLayoutManager* root_window_layout_manager() {
     return root_window_layout_manager_;
   }
@@ skipping 22 matching lines @@
   // Returns the layout manager for the appropriate modal-container. If the
   // window is inside the lockscreen modal container, then the layout manager
   // for that is returned. Otherwise the layout manager for the default modal
   // container is returned.
   // If no window is specified (i.e. |window| is null), then the lockscreen
   // modal container is used if the screen is currently locked. Otherwise, the
   // default modal container is used.
   SystemModalContainerLayoutManager* GetSystemModalLayoutManager(
       WmWindow* window);
 
-  virtual bool HasShelf() = 0;
+  bool HasShelf();
 
-  virtual WmShelf* GetShelf() = 0;
+  WmShelf* GetShelf();
 
   // Creates the shelf for this root window and notifies observers.
   void CreateShelf();
 
   // Show shelf view if it was created hidden (before session has started).
   // TODO(jamescook): Eliminate this and handle show via Shelf.
   void ShowShelf();
 
   // Returns the system tray controller. May be null for external displays.
   SystemTray* GetSystemTray();
 
   // Returns the window associated with this WmRootWindowController.
-  virtual WmWindow* GetWindow() = 0;
+  WmWindow* GetWindow();
 
   // Gets the WmWindow whose shell window id is |container_id|.
   WmWindow* GetContainer(int container_id);
   const WmWindow* GetContainer(int container_id) const;
 
   // Configures |init_params| prior to initializing |widget|.
   // |shell_container_id| is the id of the container to parent |widget| to.
   void ConfigureWidgetInitParamsForContainer(
       views::Widget* widget,
       int shell_container_id,
       views::Widget::InitParams* init_params);
 
   // Returns the window events will be targeted at for the specified location
   // (in screen coordinates).
   //
   // NOTE: the returned window may not contain the location as resize handles
   // may extend outside the bounds of the window.
   WmWindow* FindEventTarget(const gfx::Point& location_in_screen);
 
   // Gets the last location seen in a mouse event in this root window's
   // coordinates. This may return a point outside the root window's bounds.
   gfx::Point GetLastMouseLocationInRoot();
 
   // Shows a context menu at the |location_in_screen|.
   void ShowContextMenu(const gfx::Point& location_in_screen,
                        ui::MenuSourceType source_type);
 
   // Called when the wallpaper animation has started or finished.
   // TODO: port remaining classic ash wallpaper functionality here.
-  virtual void OnInitialWallpaperAnimationStarted();
-  virtual void OnWallpaperAnimationFinished(views::Widget* widget);
+  void OnInitialWallpaperAnimationStarted();
+  void OnWallpaperAnimationFinished(views::Widget* widget);
 
   // Called when the login status changes after login (such as lock/unlock).
   // TODO(oshima): Investigate if we can merge this and |OnLoginStateChanged|.
   virtual void UpdateAfterLoginStatusChange(LoginStatus status);
 
  protected:
   // Moves child windows to |dest|.
   void MoveWindowsTo(WmWindow* dest);
 
   // Creates the containers (WmWindows) used by the shell.
   void CreateContainers();
 
   // Creates the LayoutManagers for the windows created by CreateContainers().
   void CreateLayoutManagers();
 
   // Resets WmShell::GetRootWindowForNewWindows() if appropriate. This is called
   // during shutdown to make sure GetRootWindowForNewWindows() isn't referencing
   // this.
   void ResetRootForNewWindowsIfNecessary();
 
   // Called during shutdown to destroy state such as windows and LayoutManagers.
   void CloseChildWindows();
 
+ private:
+  friend class RootWindowController;
+
   // Called from CloseChildWindows() to determine if the specified window should
   // be destroyed.
-  virtual bool ShouldDestroyWindowInCloseChildWindows(WmWindow* window) = 0;
+  bool ShouldDestroyWindowInCloseChildWindows(WmWindow* window);
 
- private:
   // Callback for MenuModelAdapter.
   void OnMenuClosed();
 
+  // TODO(sky): remove this, needed until merge two classes.
+  RootWindowController* root_window_controller_;
+
   WmWindow* root_;
 
   // LayoutManagers are owned by the window they are installed on.
   DockedWindowLayoutManager* docked_window_layout_manager_ = nullptr;
   PanelLayoutManager* panel_layout_manager_ = nullptr;
   wm::RootWindowLayoutManager* root_window_layout_manager_ = nullptr;
 
   std::unique_ptr<WallpaperWidgetController> wallpaper_widget_controller_;
   std::unique_ptr<AnimatingWallpaperWidgetController>
       animating_wallpaper_widget_controller_;
   std::unique_ptr<WorkspaceController> workspace_controller_;
 
   std::unique_ptr<AlwaysOnTopController> always_on_top_controller_;
 
   // Manages the context menu.
   std::unique_ptr<ui::MenuModel> menu_model_;
   std::unique_ptr<views::MenuModelAdapter> menu_model_adapter_;
   std::unique_ptr<views::MenuRunner> menu_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(WmRootWindowController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_ROOT_WINDOW_CONTROLLER_H_