Moves more code to ash/wm/common

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/wm/common/window_state_observer.h"
-#include "ash/wm/common/wm_activation_observer.h"
-#include "ash/wm/common/wm_layout_manager.h"
-#include "ash/wm/common/wm_root_window_controller_observer.h"
-#include "ash/wm/common/wm_types.h"
-#include "ash/wm/common/wm_window_observer.h"
-#include "base/macros.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/keyboard/keyboard_controller_observer.h"
-
-namespace ash {
-class WorkspaceLayoutManagerBackdropDelegate;
-
-namespace wm {
-class WmGlobals;
-class WmRootWindowController;
-class WorkspaceLayoutManagerDelegate;
-class WMEvent;
-}
-
-// LayoutManager used on the window created for a workspace.
-class ASH_EXPORT WorkspaceLayoutManager
-    : public wm::WmLayoutManager,
-      public wm::WmWindowObserver,
-      public wm::WmActivationObserver,
-      public keyboard::KeyboardControllerObserver,
-      public wm::WmRootWindowControllerObserver,
-      public wm::WindowStateObserver {
- public:
-  WorkspaceLayoutManager(
-      wm::WmWindow* window,
-      std::unique_ptr<wm::WorkspaceLayoutManagerDelegate> delegate);
-
-  ~WorkspaceLayoutManager() override;
-
-  void DeleteDelegate();
-
-  // 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 wm::WmLayoutManager:
-  void OnWindowResized() override;
-  void OnWindowAddedToLayout(wm::WmWindow* child) override;
-  void OnWillRemoveWindowFromLayout(wm::WmWindow* child) override;
-  void OnWindowRemovedFromLayout(wm::WmWindow* child) override;
-  void OnChildWindowVisibilityChanged(wm::WmWindow* child,
-                                      bool visibile) override;
-  void SetChildBounds(wm::WmWindow* child,
-                      const gfx::Rect& requested_bounds) override;
-
-  // wm::WmRootWindowControllerObserver overrides:
-  void OnWorkAreaChanged() override;
-  void OnFullscreenStateChanged(bool is_fullscreen) override;
-
-  // Overriden from wm::WmWindowObserver:
-  void OnWindowTreeChanged(
-      wm::WmWindow* window,
-      const wm::WmWindowObserver::TreeChangeParams& params) override;
-  void OnWindowPropertyChanged(wm::WmWindow* window,
-                               wm::WmWindowProperty property,
-                               intptr_t old) override;
-  void OnWindowStackingChanged(wm::WmWindow* window) override;
-  void OnWindowDestroying(wm::WmWindow* window) override;
-  void OnWindowBoundsChanged(wm::WmWindow* window,
-                             const gfx::Rect& old_bounds,
-                             const gfx::Rect& new_bounds) override;
-
-  // wm::WmActivationObserver overrides:
-  void OnWindowActivated(wm::WmWindow* gained_active,
-                         wm::WmWindow* lost_active) override;
-
-  // keyboard::KeyboardControllerObserver overrides:
-  void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) override;
-
-  // WindowStateObserver overrides:
-  void OnPostWindowStateTypeChange(wm::WindowState* window_state,
-                                   wm::WindowStateType old_type) override;
-
- private:
-  typedef std::set<wm::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 bounds of the window for a stte type change from
-  // |old_show_type|.
-  void UpdateBoundsFromStateType(wm::WindowState* window_state,
-                                 wm::WindowStateType old_state_type);
-
-  // If |window_state| is maximized or fullscreen the bounds of the
-  // window are set and true is returned. Does nothing otherwise.
-  bool SetMaximizedOrFullscreenBounds(wm::WindowState* window_state);
-
-  // Animates the window bounds to |bounds|.
-  void SetChildBoundsAnimated(wm::WmWindow* child, const gfx::Rect& bounds);
-
-  wm::WmWindow* window_;
-  wm::WmWindow* root_window_;
-  wm::WmRootWindowController* root_window_controller_;
-  wm::WmGlobals* globals_;
-
-  std::unique_ptr<wm::WorkspaceLayoutManagerDelegate> delegate_;
-
-  // 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_