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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_CONTROLS_BUTTON_MD_TEXT_BUTTON_H_
#define UI_VIEWS_CONTROLS_BUTTON_MD_TEXT_BUTTON_H_
#include <memory>
#include <optional>
#include <string_view>
#include "base/functional/callback.h"
#include "base/functional/callback_forward.h"
#include "ui/base/ui_base_types.h"
#include "ui/color/color_id.h"
#include "ui/color/color_variant.h"
#include "ui/gfx/geometry/rounded_corners_f.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/label_button_image_container.h"
#include "ui/views/controls/focus_ring.h"
#include "ui/views/style/typography.h"
namespace actions {
class ActionItem;
}
namespace views {
// A button class that implements the Material Design text button spec.
class VIEWS_EXPORT MdTextButton : public LabelButton {
METADATA_HEADER(MdTextButton, LabelButton)
public:
explicit MdTextButton(
PressedCallback callback = PressedCallback(),
std::u16string_view text = {},
int button_context = style::CONTEXT_BUTTON_MD,
bool use_text_color_for_icon = true,
std::unique_ptr<LabelButtonImageContainer> image_container =
std::make_unique<SingleImageContainer>());
MdTextButton(const MdTextButton&) = delete;
MdTextButton& operator=(const MdTextButton&) = delete;
~MdTextButton() override;
void SetStyle(ui::ButtonStyle button_style);
ui::ButtonStyle GetStyle() const;
// Sets the background color id to use. Cannot be called if
// `bg_color_override_` has already been set.
void SetBgColorIdOverride(const std::optional<ui::ColorId> color_id);
std::optional<ui::ColorId> GetBgColorIdOverride() const;
// Sets the background color to use. Cannot be called if
// `bg_color_id_override_` has already been set.
// TODO(crbug.com/40259212): Get rid of SkColor versions of these functions in
// favor of the ColorId versions.
void SetBgColorOverrideDeprecated(const std::optional<SkColor>& color);
std::optional<SkColor> GetBgColorOverrideDeprecated() const;
// Sets the border stroke color id to use.
void SetStrokeColorIdOverride(const std::optional<ui::ColorId> color_id);
std::optional<ui::ColorId> GetStrokeColorIdOverride() const;
// Sets the border color to use. Cannot be called if
// `stroke_color_id_override_` has already been set.
// TODO(crbug.com/40259212): Get rid of SkColor versions of these functions in
// favor of the ColorId versions.
void SetStrokeColorOverrideDeprecated(const std::optional<SkColor>& color);
std::optional<SkColor> GetStrokeColorOverrideDeprecated() const;
// Override the default corner radius (or radii) (received from the
// `LayoutProvider` for `ShapeContextTokens::kButtonRadius`) of the round rect
// used for the background and ink drop effects.
void SetCornerRadii(const gfx::RoundedCornersF& radii);
void SetCornerRadius(float radius);
gfx::RoundedCornersF GetCornerRadii() const;
// See |custom_padding_|.
void SetCustomPadding(const std::optional<gfx::Insets>& padding);
std::optional<gfx::Insets> GetCustomPadding() const;
// LabelButton:
void OnThemeChanged() override;
void SetEnabledTextColors(std::optional<ui::ColorVariant> color) override;
void SetText(std::u16string_view text) override;
PropertyEffects UpdateStyleToIndicateDefaultStatus() override;
void StateChanged(ButtonState old_state) override;
void SetImageModel(ButtonState for_state,
const std::optional<ui::ImageModel>& image_model) override;
std::unique_ptr<ActionViewInterface> GetActionViewInterface() override;
protected:
// View:
void OnFocus() override;
void OnBlur() override;
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
private:
void UpdatePadding();
gfx::Insets CalculateDefaultPadding() const;
void UpdateTextColor();
void UpdateBackgroundColor() override;
void UpdateColors();
void UpdateIconColor();
// Returns the hover color depending on the button style.
SkColor GetHoverColor(ui::ButtonStyle button_style);
// Updates button attributes that depend on the corner radius.
void OnCornerRadiusValueChanged();
ui::ButtonStyle style_ = ui::ButtonStyle::kDefault;
// When set, this provides the background color. At most one of
// `bg_color_override_` or `bg_color_id_override_` can be set.
std::optional<SkColor> bg_color_override_;
std::optional<ui::ColorId> bg_color_id_override_;
// When set, this provides the border stroke color.
std::optional<SkColor> stroke_color_override_;
std::optional<ui::ColorId> stroke_color_id_override_;
// Used to set the corner radii of the button.
std::optional<gfx::RoundedCornersF> radii_;
// Used to override default padding.
std::optional<gfx::Insets> custom_padding_;
// When set, the icon color will match the text color.
bool use_text_color_for_icon_ = true;
};
class VIEWS_EXPORT MdTextButtonActionViewInterface
: public LabelButtonActionViewInterface {
public:
explicit MdTextButtonActionViewInterface(MdTextButton* action_view);
~MdTextButtonActionViewInterface() override = default;
// LabelButtonActionViewInterface:
void ActionItemChangedImpl(actions::ActionItem* action_item) override;
private:
raw_ptr<MdTextButton> action_view_;
};
BEGIN_VIEW_BUILDER(VIEWS_EXPORT, MdTextButton, LabelButton)
VIEW_BUILDER_PROPERTY(gfx::RoundedCornersF, CornerRadii)
VIEW_BUILDER_PROPERTY(std::optional<SkColor>, BgColorOverrideDeprecated)
VIEW_BUILDER_PROPERTY(std::optional<ui::ColorId>, BgColorIdOverride)
VIEW_BUILDER_PROPERTY(std::optional<gfx::Insets>, CustomPadding)
VIEW_BUILDER_PROPERTY(ui::ButtonStyle, Style)
END_VIEW_BUILDER
} // namespace views
DEFINE_VIEW_BUILDER(VIEWS_EXPORT, MdTextButton)
#endif // UI_VIEWS_CONTROLS_BUTTON_MD_TEXT_BUTTON_H_
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