Revert 230227 "Implement app list folder management page UI, inc..."

trunk/src/ui/app_list/views/folder_header_view.h

-// Copyright 2013 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 UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
-#define UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
-
-#include <string>
-
-#include "ui/app_list/app_list_item_model_observer.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/controls/textfield/textfield_controller.h"
-#include "ui/views/view.h"
-
-namespace views {
-class ImageButton;
-}  // namespace views
-
-namespace app_list {
-
-class AppListFolderItem;
-class AppListFolderView;
-class FolderHeaderViewDelegate;
-
-// FolderHeaderView contains a back button and an editable folder name field.
-class FolderHeaderView : public views::View,
-                         public views::TextfieldController,
-                         public views::ButtonListener,
-                         public AppListItemModelObserver {
- public:
-  explicit FolderHeaderView(FolderHeaderViewDelegate* delegate);
-  virtual ~FolderHeaderView();
-
-  void SetFolderItem(AppListFolderItem* folder_item);
-
-  // Overridden from views::View:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-
- private:
-  class FolderNameView;
-
-  // Updates UI.
-  void Update();
-
-  // Overriden from views::View:
-  virtual void Layout() OVERRIDE;
-  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
-
-  // Overridden from views::TextfieldController:
-  virtual void ContentsChanged(views::Textfield* sender,
-                               const base::string16& new_contents) OVERRIDE;
-
-  // Overridden from views::ButtonListener:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) OVERRIDE;
-
-  // Overridden from AppListItemModelObserver:
-  virtual void ItemIconChanged() OVERRIDE;
-  virtual void ItemTitleChanged() OVERRIDE;
-  virtual void ItemHighlightedChanged() OVERRIDE;
-  virtual void ItemIsInstallingChanged() OVERRIDE;
-  virtual void ItemPercentDownloadedChanged() OVERRIDE;
-
-  AppListFolderItem* folder_item_;  // Not owned.
-
-  views::ImageButton* back_button_;  // Owned by views hierarchy.
-  FolderNameView* folder_name_view_;  // Owned by views hierarchy.
-
-  FolderHeaderViewDelegate* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(FolderHeaderView);
-};
-
-}  // namespace app_list
-
-#endif  // UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_