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- // Copyright 2021 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_STYLE_CLOSE_BUTTON_H_
- #define ASH_STYLE_CLOSE_BUTTON_H_
- #include "ui/base/metadata/metadata_header_macros.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 CloseButton : public views::ImageButton,
- public views::ViewTargeterDelegate {
- public:
- METADATA_HEADER(CloseButton);
- enum class Type {
- kSmall,
- kMedium,
- kLarge,
- kSmallFloating,
- kMediumFloating,
- kLargeFloating,
- };
- CloseButton(PressedCallback callback,
- Type type,
- bool use_light_colors = false);
- 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();
- // Sets the vector icon of the button. Note, doing this only when the button
- // wants to have different icons as the default close icon. E.g, the delete
- // button inside desks template wants to have trash icon instead of close
- // icon.
- void SetVectorIcon(const gfx::VectorIcon& icon);
- // Sets the button's background color or icon's color. Note, do this only when
- // the button wants to have different colors from the default ones.
- void SetBackgroundColor(const SkColor background_color);
- void SetIconColor(const SkColor icon_color);
- private:
- // views::ImageButton:
- void OnThemeChanged() override;
- gfx::Size CalculatePreferredSize() const override;
- // views::ViewTargeterDelegate:
- bool DoesIntersectRect(const views::View* target,
- const gfx::Rect& rect) const override;
- void UpdateVectorIcon();
- const Type type_;
- const gfx::VectorIcon* icon_;
- // True if the button wants to use light colors when the D/L mode feature is
- // not enabled. Note, can be removed when D/L mode feature is fully launched.
- const bool use_light_colors_;
- // Customized value for the button's background color and icon's color.
- absl::optional<SkColor> background_color_;
- absl::optional<SkColor> icon_color_;
- };
- } // namespace ash
- #endif // ASH_STYLE_CLOSE_BUTTON_H_
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