chromeos: Move files in //ash/common to //ash

ash/common/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_COMMON_SHELF_SHELF_WIDGET_H_
-#define ASH_COMMON_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_layout_manager_observer.h"
-#include "ash/public/cpp/shelf_types.h"
-#include "base/macros.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_observer.h"
-
-namespace app_list {
-class ApplicationDragAndDropHost;
-}
-
-namespace ash {
-enum class AnimationChangeType;
-class AppListButton;
-class FocusCycler;
-class ShelfLayoutManager;
-class ShelfView;
-class StatusAreaWidget;
-class WmShelf;
-class WmWindow;
-
-// The ShelfWidget manages the shelf view (which contains the shelf icons) and
-// the status area widget. There is one ShelfWidget per display. It is created
-// early during RootWindowController initialization.
-class ASH_EXPORT ShelfWidget : public views::Widget,
-                               public views::WidgetObserver,
-                               public ShelfBackgroundAnimatorObserver,
-                               public ShelfLayoutManagerObserver {
- public:
-  ShelfWidget(WmWindow* shelf_container, WmShelf* wm_shelf);
-  ~ShelfWidget() override;
-
-  void CreateStatusAreaWidget(WmWindow* status_container);
-
-  void OnShelfAlignmentChanged();
-
-  // Sets the shelf's background type.
-  void SetPaintsBackground(ShelfBackgroundType background_type,
-                           AnimationChangeType 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;
-
-  ShelfLayoutManager* shelf_layout_manager() { return shelf_layout_manager_; }
-  StatusAreaWidget* status_area_widget() const { return status_area_widget_; }
-
-  // Creates the shelf view and populates it with icons. Called after the user
-  // session is active (and hence the user profile is available).
-  ShelfView* CreateShelfView();
-  void PostCreateShelf();
-
-  bool IsShelfVisible() const;
-
-  bool IsShowingAppList() 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();
-
-  // See WmShelf::UpdateIconPositionForPanel().
-  void UpdateIconPositionForPanel(WmWindow* panel);
-
-  // See WmShelf::GetScreenBoundsOfItemIconForWindow().
-  gfx::Rect GetScreenBoundsOfItemIconForWindow(WmWindow* window);
-
-  // Returns the button that opens the app launcher.
-  AppListButton* GetAppListButton() const;
-
-  // Returns the ApplicationDragAndDropHost for this shelf.
-  app_list::ApplicationDragAndDropHost* GetDragAndDropHostForAppList();
-
-  // Overridden from views::WidgetObserver:
-  void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
-
-  // ShelfBackgroundAnimatorObserver overrides:
-  void UpdateShelfItemBackground(SkColor color) 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 native widget.
-  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. Null when
-  // at the login screen.
-  ShelfView* shelf_view_;
-  ShelfBackgroundAnimator background_animator_;
-  bool activating_as_fallback_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShelfWidget);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SHELF_SHELF_WIDGET_H_