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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_STYLE_CLOSE_BUTTON_H_
#define ASH_STYLE_CLOSE_BUTTON_H_
#include "ash/ash_export.h"
#include "ash/style/ash_color_id.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/color/color_id.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/view_targeter_delegate.h"
namespace gfx {
struct VectorIcon;
} // namespace gfx
namespace ash {
// A circular ImageButton with kCloseButtonIcon inside. It has small, medium and
// large different sizes. The touch area of the small close button will be
// expanded.
class ASH_EXPORT CloseButton : public views::ImageButton,
public views::ViewTargeterDelegate {
METADATA_HEADER(CloseButton, views::ImageButton)
public:
enum class Type {
kSmall,
kMedium,
kLarge,
kSmallFloating,
kMediumFloating,
kLargeFloating,
};
// Uses the default close icon according to the given `type` if `icon` is not
// set by the client explicitly. Also default background and icon color ids
// are used if they're not explicitly provided.
// If you want to keep the button in light mode, you can provide the color ids
// on light version.
CloseButton(PressedCallback callback,
Type type,
const gfx::VectorIcon* icon = nullptr,
ui::ColorId background_color_id = kColorAshShieldAndBase80,
ui::ColorId icon_color_id = kColorAshButtonIconColor);
CloseButton(const CloseButton&) = delete;
CloseButton& operator=(const CloseButton&) = delete;
~CloseButton() override;
// Returns true if the `bounding_box_` of the touch events intersect with the
// button's bounds. Used to help enlarge the hit area of the close button.
// Note, only necessary for `kSmall` type of CloseButton.
bool DoesIntersectScreenRect(const gfx::Rect& screen_rect) const;
// Resets the listener so that the listener can go out of scope.
void ResetListener();
private:
// views::ImageButton:
void OnThemeChanged() override;
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
// views::ViewTargeterDelegate:
bool DoesIntersectRect(const views::View* target,
const gfx::Rect& rect) const override;
const Type type_;
};
} // namespace ash
#endif // ASH_STYLE_CLOSE_BUTTON_H_
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