ash/app_menu/notification_menu_header_view.h

// Copyright 2018 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_APP_MENU_NOTIFICATION_MENU_HEADER_VIEW_H_
#define ASH_APP_MENU_NOTIFICATION_MENU_HEADER_VIEW_H_

#include "base/macros.h"
#include "ui/views/view.h"

namespace views {
class Label;
}

namespace ash {

// The header view which shows the "Notifications" text and a counter to show
// the number of notifications for this app.
class NotificationMenuHeaderView : public views::View {
 public:
  NotificationMenuHeaderView();

  ~NotificationMenuHeaderView() override;

  void UpdateCounter(int number_of_notifications);

  // Overidden from views::View:
  gfx::Size CalculatePreferredSize() const override;
  void Layout() override;

 private:
  friend class NotificationMenuViewTestAPI;

  // The number of notifications that are active for this application.
  int number_of_notifications_ = 0;

  // Holds the "Notifications" label. Owned by the views hierarchy.
  views::Label* notification_title_ = nullptr;

  // Holds a numeric string that indicates how many notifications are active.
  // Owned by the views hierarchy.
  views::Label* counter_ = nullptr;

  DISALLOW_COPY_AND_ASSIGN(NotificationMenuHeaderView);
};

}  // namespace ash

#endif  // ASH_APP_MENU_NOTIFICATION_MENU_HEADER_VIEW_H_