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

ash/common/shelf/app_list_button.h

-// Copyright 2014 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_APP_LIST_BUTTON_H_
-#define ASH_COMMON_SHELF_APP_LIST_BUTTON_H_
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "ui/views/controls/button/image_button.h"
-
-namespace ash {
-class InkDropButtonListener;
-class ShelfView;
-class WmShelf;
-
-// Button used for the AppList icon on the shelf.
-class ASH_EXPORT AppListButton : public views::ImageButton {
- public:
-  AppListButton(InkDropButtonListener* listener,
-                ShelfView* shelf_view,
-                WmShelf* wm_shelf);
-  ~AppListButton() override;
-
-  void OnAppListShown();
-  void OnAppListDismissed();
-
-  bool is_showing_app_list() const { return is_showing_app_list_; }
-
-  // Updates background and schedules a paint.
-  void UpdateShelfItemBackground(SkColor color);
-
- protected:
-  // views::ImageButton overrides:
-  bool OnMousePressed(const ui::MouseEvent& event) override;
-  void OnMouseReleased(const ui::MouseEvent& event) override;
-  void OnMouseCaptureLost() override;
-  bool OnMouseDragged(const ui::MouseEvent& event) override;
-  void OnPaint(gfx::Canvas* canvas) override;
-  void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
-  std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
-  void NotifyClick(const ui::Event& event) override;
-  bool ShouldEnterPushedState(const ui::Event& event) override;
-  std::unique_ptr<views::InkDrop> CreateInkDrop() override;
-  std::unique_ptr<views::InkDropMask> CreateInkDropMask() const override;
-
-  // ui::EventHandler overrides:
-  void OnGestureEvent(ui::GestureEvent* event) override;
-
- private:
-  // Get the center point of the app list button used to draw its background and
-  // ink drops.
-  gfx::Point GetCenterPoint() const;
-
-  // True if the app list is currently showing for this display.
-  // This is useful because other IsApplistVisible functions aren't per-display.
-  bool is_showing_app_list_;
-
-  // Color used to paint the background.
-  SkColor background_color_;
-
-  InkDropButtonListener* listener_;
-  ShelfView* shelf_view_;
-  WmShelf* wm_shelf_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppListButton);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SHELF_APP_LIST_BUTTON_H_