blob: fa9c8be0af1704183b8bad7ae12b80d9e023d950 [file] [log] [blame]
// Copyright 2020 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_LOGIN_UI_SYSTEM_LABEL_BUTTON_H_
#define ASH_LOGIN_UI_SYSTEM_LABEL_BUTTON_H_
#include "ash/ash_export.h"
#include "ui/views/controls/button/label_button.h"
namespace ash {
// SystemLabelButton provides styled buttons with label for the login screen.
// It is assumed that it lives in a login bubble, with a defined background;
// ripple effects may be inappropriate for a different usage.
class ASH_EXPORT SystemLabelButton : public views::LabelButton {
public:
enum class DisplayType { DEFAULT, ALERT_NO_ICON, ALERT_WITH_ICON };
SystemLabelButton(PressedCallback callback,
const base::string16& text,
DisplayType display_type,
bool multiline = false);
SystemLabelButton(const SystemLabelButton&) = delete;
SystemLabelButton& operator=(const SystemLabelButton&) = delete;
~SystemLabelButton() override = default;
// views::LabelButton:
void PaintButtonContents(gfx::Canvas* canvas) override;
gfx::Insets GetInsets() const override;
// Switch display type from {DEFAULT, ALERT_NO_ICON} to
// {DEFAULT, ALERT_NO_ICON}. We can't change display type from or to
// ALERT_WITH_ICON once it has been set (no UX interest to do so right now).
void SetDisplayType(DisplayType display_type);
private:
// Mode could be either default or alert. This methods set the background and
// font accordingly.
void SetAlertMode(bool alert_mode);
// Absurd color to show the developer that background color has not been
// initialized properly.
SkColor background_color_ = SK_ColorGREEN;
// Used only to ensure that we do not call SetDisplayType when the current
// display type is ALERT_WITH_ICON.
DisplayType display_type_ = DisplayType::DEFAULT;
};
} // namespace ash
#endif // ASH_LOGIN_UI_SYSTEM_LABEL_BUTTON_H_