Revert "chromeos: Move files in //ash/common to //ash, part 2"

ash/wm/workspace/workspace_layout_manager.h

-// Copyright (c) 2012 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_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
-#define ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
-
-#include <memory>
-#include <set>
-
-#include "ash/ash_export.h"
-#include "ash/common/shell_observer.h"
-#include "ash/common/wm_activation_observer.h"
-#include "ash/common/wm_layout_manager.h"
-#include "ash/wm/window_state_observer.h"
-#include "ash/wm/wm_types.h"
-#include "base/macros.h"
-#include "ui/aura/window_observer.h"
-#include "ui/display/display_observer.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/keyboard/keyboard_controller_observer.h"
-
-namespace ash {
-
-class RootWindowController;
-class WmShell;
-class WmWindow;
-class WorkspaceLayoutManagerBackdropDelegate;
-
-namespace wm {
-class WMEvent;
-}
-
-// LayoutManager used on the window created for a workspace.
-class ASH_EXPORT WorkspaceLayoutManager
-    : public WmLayoutManager,
-      public aura::WindowObserver,
-      public WmActivationObserver,
-      public keyboard::KeyboardControllerObserver,
-      public display::DisplayObserver,
-      public ShellObserver,
-      public wm::WindowStateObserver {
- public:
-  // |window| is the container for this layout manager.
-  explicit WorkspaceLayoutManager(WmWindow* window);
-  ~WorkspaceLayoutManager() override;
-
-  // A delegate which can be set to add a backdrop behind the top most visible
-  // window. With the call the ownership of the delegate will be transferred to
-  // the WorkspaceLayoutManager.
-  void SetMaximizeBackdropDelegate(
-      std::unique_ptr<WorkspaceLayoutManagerBackdropDelegate> delegate);
-
-  // Overridden from WmLayoutManager:
-  void OnWindowResized() override;
-  void OnWindowAddedToLayout(WmWindow* child) override;
-  void OnWillRemoveWindowFromLayout(WmWindow* child) override;
-  void OnWindowRemovedFromLayout(WmWindow* child) override;
-  void OnChildWindowVisibilityChanged(WmWindow* child, bool visibile) override;
-  void SetChildBounds(WmWindow* child,
-                      const gfx::Rect& requested_bounds) override;
-
-  // Overriden from aura::WindowObserver:
-  void OnWindowHierarchyChanged(const HierarchyChangeParams& params) override;
-  void OnWindowPropertyChanged(aura::Window* window,
-                               const void* key,
-                               intptr_t old) override;
-  void OnWindowStackingChanged(aura::Window* window) override;
-  void OnWindowDestroying(aura::Window* window) override;
-  void OnWindowBoundsChanged(aura::Window* window,
-                             const gfx::Rect& old_bounds,
-                             const gfx::Rect& new_bounds) override;
-
-  // WmActivationObserver overrides:
-  void OnWindowActivated(WmWindow* gained_active,
-                         WmWindow* lost_active) override;
-
-  // keyboard::KeyboardControllerObserver overrides:
-  void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) override;
-  void OnKeyboardClosed() override;
-
-  // WindowStateObserver overrides:
-  void OnPostWindowStateTypeChange(wm::WindowState* window_state,
-                                   wm::WindowStateType old_type) override;
-
-  // display::DisplayObserver overrides:
-  void OnDisplayMetricsChanged(const display::Display& display,
-                               uint32_t changed_metrics) override;
-
-  // ShellObserver overrides:
-  void OnFullscreenStateChanged(bool is_fullscreen,
-                                WmWindow* root_window) override;
-  void OnPinnedStateChanged(WmWindow* pinned_window) override;
-
- private:
-  typedef std::set<WmWindow*> WindowSet;
-
-  // Adjusts the bounds of all managed windows when the display area changes.
-  // This happens when the display size, work area insets has changed.
-  // If this is called for a display size change (i.e. |event|
-  // is DISPLAY_RESIZED), the non-maximized/non-fullscreen
-  // windows are readjusted to make sure the window is completely within the
-  // display region. Otherwise, it makes sure at least some parts of the window
-  // is on display.
-  void AdjustAllWindowsBoundsForWorkAreaChange(const wm::WMEvent* event);
-
-  // Updates the visibility state of the shelf.
-  void UpdateShelfVisibility();
-
-  // Updates the fullscreen state of the workspace and notifies Shell if it
-  // has changed.
-  void UpdateFullscreenState();
-
-  // Updates the always-on-top state for windows managed by this layout
-  // manager.
-  void UpdateAlwaysOnTop(WmWindow* window_on_top);
-
-  WmWindow* window_;
-  WmWindow* root_window_;
-  RootWindowController* root_window_controller_;
-  WmShell* shell_;
-
-  // Set of windows we're listening to.
-  WindowSet windows_;
-
-  // The work area in the coordinates of |window_|.
-  gfx::Rect work_area_in_parent_;
-
-  // True if this workspace is currently in fullscreen mode.
-  bool is_fullscreen_;
-
-  // A window which covers the full container and which gets inserted behind the
-  // topmost visible window.
-  std::unique_ptr<WorkspaceLayoutManagerBackdropDelegate> backdrop_delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(WorkspaceLayoutManager);
-};
-
-}  // namespace ash
-
-#endif  // ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_