mash: Move more shelf files to ash/common/shelf.

ash/shelf/shelf_widget.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_SHELF_SHELF_WIDGET_H_
-#define ASH_SHELF_SHELF_WIDGET_H_
-
-#include <memory>
-
-#include "ash/ash_export.h"
-#include "ash/common/shelf/shelf_background_animator.h"
-#include "ash/common/shelf/shelf_background_animator_observer.h"
-#include "ash/common/shelf/shelf_types.h"
-#include "ash/shelf/shelf_layout_manager_observer.h"
-#include "base/macros.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_observer.h"
-
-namespace ash {
-class FocusCycler;
-class Shelf;
-class ShelfLayoutManager;
-class ShelfView;
-class StatusAreaWidget;
-class WmShelf;
-class WmWindow;
-
-class ASH_EXPORT ShelfWidget : public views::Widget,
-                               public views::WidgetObserver,
-                               public ShelfBackgroundAnimatorObserver,
-                               public ShelfLayoutManagerObserver {
- public:
-  ShelfWidget(WmWindow* shelf_container,
-              WmWindow* status_container,
-              WmShelf* wm_shelf);
-  ~ShelfWidget() override;
-
-  // Returns if shelf alignment option is enabled, and the user is able to
-  // adjust the alignment (guest and supervised mode users cannot for example).
-  static bool ShelfAlignmentAllowed();
-
-  void OnShelfAlignmentChanged();
-
-  // DEPRECATED: Prefer WmShelf::GetAlignment().
-  ShelfAlignment GetAlignment() const;
-
-  // Sets the shelf's background type.
-  void SetPaintsBackground(ShelfBackgroundType background_type,
-                           BackgroundAnimatorChangeType change_type);
-  ShelfBackgroundType GetBackgroundType() const;
-
-  // Hide the shelf behind a black bar during e.g. a user transition when |hide|
-  // is true. The |animation_time_ms| will be used as animation duration.
-  void HideShelfBehindBlackBar(bool hide, int animation_time_ms);
-  bool IsShelfHiddenBehindBlackBar() const;
-
-  // Causes shelf items to be slightly dimmed (e.g. when a window is maximized).
-  void SetDimsShelf(bool dimming);
-  bool GetDimsShelf() const;
-
-  // TODO(jamescook): Eliminate these.
-  Shelf* shelf() { return shelf_; }
-  void set_shelf(Shelf* shelf) { shelf_ = shelf; }
-
-  ShelfLayoutManager* shelf_layout_manager() { return shelf_layout_manager_; }
-  StatusAreaWidget* status_area_widget() const { return status_area_widget_; }
-
-  ShelfView* CreateShelfView();
-  void PostCreateShelf();
-
-  // Set visibility of the shelf.
-  void SetShelfVisibility(bool visible);
-  bool IsShelfVisible() const;
-
-  bool IsShowingContextMenu() const;
-
-  bool IsShowingOverflowBubble() const;
-
-  // Sets the focus cycler.  Also adds the shelf to the cycle.
-  void SetFocusCycler(FocusCycler* focus_cycler);
-  FocusCycler* GetFocusCycler();
-
-  // Called by the activation delegate, before the shelf is activated
-  // when no other windows are visible.
-  void WillActivateAsFallback() { activating_as_fallback_ = true; }
-
-  // Clean up prior to deletion.
-  void Shutdown();
-
-  // Force the shelf to be presented in an undimmed state.
-  void ForceUndimming(bool force);
-
-  // Overridden from views::WidgetObserver:
-  void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
-
-  // A function to test the current alpha used by the dimming bar. If there is
-  // no dimmer active, the function will return -1.
-  int GetDimmingAlphaForTest();
-
-  // A function to test the bounds of the dimming bar. Returns gfx::Rect() if
-  // the dimmer is inactive.
-  gfx::Rect GetDimmerBoundsForTest();
-
-  // Disable dimming animations for running tests.
-  void DisableDimmingAnimationsForTest();
-
-  // ShelfBackgroundAnimatorObserver overrides:
-  void UpdateShelfItemBackground(int alpha) override;
-
-  // ShelfLayoutManagerObserver overrides:
-  void WillDeleteShelfLayoutManager() override;
-
- private:
-  class DelegateView;
-  friend class DelegateView;
-
-  WmShelf* wm_shelf_;
-
-  // Owned by the shelf container's window.
-  ShelfLayoutManager* shelf_layout_manager_;
-  // Owned by the root window controller.
-  Shelf* shelf_;
-  StatusAreaWidget* status_area_widget_;
-
-  // |delegate_view_| is the contents view of this widget and is cleaned up
-  // during CloseChildWindows of the associated RootWindowController.
-  DelegateView* delegate_view_;
-  // View containing the shelf items. Owned by the views hierarchy.
-  ShelfView* shelf_view_;
-  ShelfBackgroundAnimator background_animator_;
-  bool activating_as_fallback_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShelfWidget);
-};
-
-}  // namespace ash
-
-#endif  // ASH_SHELF_SHELF_WIDGET_H_