| // Copyright 2013 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_NATIVE_THEME_NATIVE_THEME_MAC_H_ |
| #define UI_NATIVE_THEME_NATIVE_THEME_MAC_H_ |
| |
| #include "base/no_destructor.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/native_theme/native_theme_aura.h" |
| #include "ui/native_theme/native_theme_base.h" |
| #include "ui/native_theme/native_theme_export.h" |
| |
| @class NativeThemeEffectiveAppearanceObserver; |
| |
| namespace ui { |
| |
| // Mac implementation of native theme support. |
| class NATIVE_THEME_EXPORT NativeThemeMac : public NativeThemeBase { |
| public: |
| static const int kButtonCornerRadius = 3; |
| |
| // Type of gradient to use on a button background. Use HIGHLIGHTED for the |
| // default button of a window and all combobox controls, but only when the |
| // window is active. |
| enum class ButtonBackgroundType { |
| DISABLED, |
| HIGHLIGHTED, |
| NORMAL, |
| PRESSED, |
| COUNT |
| }; |
| |
| NativeThemeMac(const NativeThemeMac&) = delete; |
| NativeThemeMac& operator=(const NativeThemeMac&) = delete; |
| |
| // NativeTheme: |
| SkColor GetSystemButtonPressedColor(SkColor base_color) const override; |
| PreferredContrast CalculatePreferredContrast() const override; |
| |
| // NativeThemeBase: |
| void Paint(cc::PaintCanvas* canvas, |
| const ColorProvider* color_provider, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ExtraParams& extra, |
| ColorScheme color_scheme, |
| bool in_forced_colors, |
| const std::optional<SkColor>& accent_color) const override; |
| void PaintMenuPopupBackground( |
| cc::PaintCanvas* canvas, |
| const ColorProvider* color_provider, |
| const gfx::Size& size, |
| const MenuBackgroundExtraParams& menu_background, |
| ColorScheme color_scheme) const override; |
| void PaintMenuItemBackground(cc::PaintCanvas* canvas, |
| const ColorProvider* color_provider, |
| State state, |
| const gfx::Rect& rect, |
| const MenuItemExtraParams& menu_item, |
| ColorScheme color_scheme) const override; |
| void PaintMacScrollbarThumb(cc::PaintCanvas* canvas, |
| Part part, |
| State state, |
| const gfx::Rect& rect, |
| const ScrollbarExtraParams& scroll_thumb, |
| ColorScheme color_scheme) const; |
| // Paint the track. |track_bounds| is the bounds for the track. |
| void PaintMacScrollBarTrackOrCorner(cc::PaintCanvas* canvas, |
| Part part, |
| State state, |
| const ScrollbarExtraParams& extra_params, |
| const gfx::Rect& rect, |
| ColorScheme color_scheme, |
| bool is_corner) const; |
| |
| // Paints the styled button shape used for default controls on Mac. The basic |
| // style is used for dialog buttons, comboboxes, and tabbed pane tabs. |
| // Depending on the control part being drawn, the left or the right side can |
| // be given rounded corners. |
| static void PaintStyledGradientButton(cc::PaintCanvas* canvas, |
| const gfx::Rect& bounds, |
| ButtonBackgroundType type, |
| bool round_left, |
| bool round_right, |
| bool focus); |
| |
| // Returns the minimum size for the thumb. We will not inset the thumb if it |
| // will be smaller than this size. The scale parameter should be the device |
| // scale factor. |
| gfx::Size GetThumbMinSize(bool vertical, float scale) const; |
| |
| protected: |
| friend class NativeTheme; |
| friend class base::NoDestructor<NativeThemeMac>; |
| static NativeThemeMac* instance(); |
| |
| NativeThemeMac(bool configure_web_instance, bool should_only_use_dark_colors); |
| ~NativeThemeMac() override; |
| |
| // NativeTheme: |
| std::optional<base::TimeDelta> GetPlatformCaretBlinkInterval() const override; |
| |
| private: |
| // Paint the selected menu item background, and a border for emphasis when in |
| // high contrast. |
| void PaintSelectedMenuItem(cc::PaintCanvas* canvas, |
| const ColorProvider* color_provider, |
| const gfx::Rect& rect, |
| const MenuItemExtraParams& extra_params) const; |
| |
| void PaintScrollBarTrackGradient(cc::PaintCanvas* canvas, |
| const gfx::Rect& rect, |
| const ScrollbarExtraParams& extra_params, |
| bool is_corner, |
| ColorScheme color_scheme) const; |
| void PaintScrollbarTrackInnerBorder(cc::PaintCanvas* canvas, |
| const gfx::Rect& rect, |
| const ScrollbarExtraParams& extra_params, |
| bool is_corner, |
| ColorScheme color_scheme) const; |
| void PaintScrollbarTrackOuterBorder(cc::PaintCanvas* canvas, |
| const gfx::Rect& rect, |
| const ScrollbarExtraParams& extra_params, |
| bool is_corner, |
| ColorScheme color_scheme) const; |
| |
| void InitializeDarkModeStateAndObserver(); |
| |
| void ConfigureWebInstance() override; |
| |
| enum ScrollbarPart { |
| kThumb, |
| kTrack, |
| kTrackInnerBorder, |
| kTrackOuterBorder, |
| }; |
| |
| std::optional<SkColor> GetScrollbarColor( |
| ScrollbarPart part, |
| ColorScheme color_scheme, |
| const ScrollbarExtraParams& extra_params) const; |
| |
| int ScrollbarTrackBorderWidth(float scale_from_dip) const { |
| constexpr float border_width = 1.0f; |
| return scale_from_dip * border_width; |
| } |
| |
| // The amount the thumb is inset from the ends and the inside edge of track |
| // border. |
| int GetScrollbarThumbInset(bool is_overlay, float scale_from_dip) const { |
| return scale_from_dip * (is_overlay ? 2.0f : 3.0f); |
| } |
| |
| NativeThemeEffectiveAppearanceObserver* __strong appearance_observer_; |
| id __strong display_accessibility_notification_token_; |
| |
| // Used to notify the web native theme of changes to dark mode and high |
| // contrast. |
| std::unique_ptr<NativeTheme::ColorSchemeNativeThemeObserver> |
| color_scheme_observer_; |
| }; |
| |
| // Mac implementation of native theme support for web controls. |
| // For consistency with older versions of Chrome for Mac, we do multiply |
| // the border width and radius by the zoom, unlike the generic impl. |
| class NativeThemeMacWeb : public NativeThemeAura { |
| public: |
| NativeThemeMacWeb(); |
| |
| static NativeThemeMacWeb* instance(); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_NATIVE_THEME_NATIVE_THEME_MAC_H_ |