1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
// Copyright 2012 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_AURA_H_
#define UI_NATIVE_THEME_NATIVE_THEME_AURA_H_
#include "base/component_export.h"
#include "base/no_destructor.h"
#include "ui/native_theme/native_theme_base.h"
namespace ui {
// Aura implementation of native theme support.
class COMPONENT_EXPORT(NATIVE_THEME) NativeThemeAura : public NativeThemeBase {
protected:
friend class NativeTheme;
friend class NativeThemeAuraTest;
friend class base::NoDestructor<NativeThemeAura>;
NativeThemeAura(bool use_overlay_scrollbars,
bool should_only_use_dark_colors,
ui::SystemTheme system_theme = ui::SystemTheme::kDefault,
bool configure_web_instance = false);
NativeThemeAura(const NativeThemeAura&) = delete;
NativeThemeAura& operator=(const NativeThemeAura&) = delete;
~NativeThemeAura() override;
static NativeThemeAura* web_instance();
// Overridden from NativeTheme:
SkColor4f FocusRingColorForBaseColor(SkColor4f base_color) const override;
void ConfigureWebInstance() override;
// NativeThemeBase:
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 PaintArrowButton(
cc::PaintCanvas* gc,
const ColorProvider* color_provider,
const gfx::Rect& rect,
Part direction,
State state,
ColorScheme color_scheme,
bool in_forced_colors,
const ScrollbarArrowExtraParams& extra_params) const override;
void PaintScrollbarTrack(cc::PaintCanvas* canvas,
const ColorProvider* color_provider,
Part part,
State state,
const ScrollbarTrackExtraParams& extra_params,
const gfx::Rect& rect,
ColorScheme color_scheme,
bool in_forced_colors) const override;
void PaintScrollbarThumb(cc::PaintCanvas* canvas,
const ColorProvider* color_provider,
Part part,
State state,
const gfx::Rect& rect,
const ScrollbarThumbExtraParams& extra_params,
ColorScheme color_scheme) const override;
gfx::Insets GetScrollbarSolidColorThumbInsets(Part part) const override;
SkColor4f GetScrollbarThumbColor(
const ui::ColorProvider& color_provider,
State state,
const ScrollbarThumbExtraParams& extra) const override;
void PaintScrollbarCorner(cc::PaintCanvas* canvas,
const ColorProvider* color_provider,
State state,
const gfx::Rect& rect,
const ScrollbarTrackExtraParams& extra_params,
ColorScheme color_scheme) const override;
gfx::Size GetPartSize(Part part,
State state,
const ExtraParams& extra) const override;
float GetContrastRatioForState(State state, Part part) const override;
bool SupportsNinePatch(Part part) const override;
gfx::Size GetNinePatchCanvasSize(Part part) const override;
gfx::Rect GetNinePatchAperture(Part part) const override;
private:
static void DrawPartiallyRoundRect(cc::PaintCanvas* canvas,
const gfx::Rect& rect,
const SkScalar upper_left_radius,
const SkScalar upper_right_radius,
const SkScalar lower_right_radius,
const SkScalar lower_left_radius,
const cc::PaintFlags& flags);
// Used to notify the web native theme of changes to dark mode, high
// contrast, preferred color scheme, and preferred contrast.
std::unique_ptr<NativeTheme::ColorSchemeNativeThemeObserver>
color_scheme_observer_;
};
} // namespace ui
#endif // UI_NATIVE_THEME_NATIVE_THEME_AURA_H_
|
