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// Copyright (c) 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 "base/macros.h"
#include "ui/app_list/app_list_export.h"
#include "ui/app_list/app_list_item_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;
namespace test {
class FolderHeaderViewTest;
}
// FolderHeaderView contains a back button and an editable folder name field.
class APP_LIST_EXPORT FolderHeaderView : public views::View,
public views::TextfieldController,
public views::ButtonListener,
public AppListItemObserver {
public:
explicit FolderHeaderView(FolderHeaderViewDelegate* delegate);
~FolderHeaderView() override;
void SetFolderItem(AppListFolderItem* folder_item);
void UpdateFolderNameVisibility(bool visible);
void OnFolderItemRemoved();
bool HasTextFocus() const;
void SetTextFocus();
// Overridden from views::View:
gfx::Size GetPreferredSize() const override;
private:
class FolderNameView;
friend class test::FolderHeaderViewTest;
// Updates UI.
void Update();
// Updates the accessible name of the folder name control.
void UpdateFolderNameAccessibleName();
// Gets and sets the folder name for test.
const base::string16& GetFolderNameForTest();
void SetFolderNameForTest(const base::string16& name);
// Returns true if folder name is enabled, only for testing use.
bool IsFolderNameEnabledForTest() const;
// views::View overrides:
void Layout() override;
bool OnKeyPressed(const ui::KeyEvent& event) override;
void OnPaint(gfx::Canvas* canvas) override;
// views::TextfieldController overrides:
void ContentsChanged(views::Textfield* sender,
const base::string16& new_contents) override;
// views::ButtonListener overrides:
void ButtonPressed(views::Button* sender, const ui::Event& event) override;
// AppListItemObserver overrides:
void ItemNameChanged() override;
AppListFolderItem* folder_item_; // Not owned.
views::ImageButton* back_button_; // Owned by views hierarchy.
FolderNameView* folder_name_view_; // Owned by views hierarchy.
const base::string16 folder_name_placeholder_text_;
FolderHeaderViewDelegate* delegate_;
bool folder_name_visible_;
DISALLOW_COPY_AND_ASSIGN(FolderHeaderView);
};
} // namespace app_list
#endif // UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
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