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
|
// Copyright 2016 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 UI_GTK_NATIVE_THEME_GTK_H_
#define UI_GTK_NATIVE_THEME_GTK_H_
#include "base/callback_list.h"
#include "base/macros.h"
#include "base/no_destructor.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "ui/base/glib/glib_signal.h"
#include "ui/base/glib/scoped_gobject.h"
#include "ui/native_theme/native_theme_base.h"
typedef struct _GtkCssProvider GtkCssProvider;
typedef struct _GtkParamSpec GtkParamSpec;
typedef struct _GtkSettings GtkSettings;
namespace gtk {
using ScopedCssProvider = ScopedGObject<GtkCssProvider>;
// A version of NativeTheme that uses GTK-rendered widgets.
class NativeThemeGtk : public ui::NativeThemeBase {
public:
static NativeThemeGtk* instance();
// ui::NativeThemeBase:
void PaintArrowButton(cc::PaintCanvas* canvas,
const gfx::Rect& rect,
Part direction,
State state,
ColorScheme color_scheme,
const ScrollbarArrowExtraParams& arrow) const override;
void PaintScrollbarTrack(cc::PaintCanvas* canvas,
Part part,
State state,
const ScrollbarTrackExtraParams& extra_params,
const gfx::Rect& rect,
ColorScheme color_scheme) const override;
void PaintScrollbarThumb(cc::PaintCanvas* canvas,
Part part,
State state,
const gfx::Rect& rect,
NativeTheme::ScrollbarOverlayColorTheme theme,
ColorScheme color_scheme) const override;
void PaintScrollbarCorner(cc::PaintCanvas* canvas,
State state,
const gfx::Rect& rect,
ColorScheme color_scheme) const override;
void PaintMenuPopupBackground(
cc::PaintCanvas* canvas,
const gfx::Size& size,
const MenuBackgroundExtraParams& menu_background,
ColorScheme color_scheme) const override;
void PaintMenuSeparator(cc::PaintCanvas* canvas,
State state,
const gfx::Rect& rect,
const MenuSeparatorExtraParams& menu_separator,
ColorScheme color_scheme) const override;
void PaintMenuItemBackground(cc::PaintCanvas* canvas,
State state,
const gfx::Rect& rect,
const MenuItemExtraParams& menu_item,
ColorScheme color_scheme) const override;
void PaintFrameTopArea(cc::PaintCanvas* canvas,
State state,
const gfx::Rect& rect,
const FrameTopAreaExtraParams& frame_top_area,
ColorScheme color_scheme) const override;
void NotifyOnNativeThemeUpdated() override;
std::string GetNativeThemeName() const override;
void OnThemeChanged(GtkSettings* settings, GtkParamSpec* param);
protected:
// ui::NativeThemeBase:
bool AllowColorPipelineRedirection(ColorScheme color_scheme) const override;
SkColor GetSystemColorDeprecated(ColorId color_id,
ColorScheme color_scheme,
bool apply_processing) const override;
private:
friend class base::NoDestructor<NativeThemeGtk>;
NativeThemeGtk();
~NativeThemeGtk() override;
void SetThemeCssOverride(ScopedCssProvider provider);
mutable absl::optional<SkColor> color_cache_[kColorId_NumColors];
ScopedCssProvider theme_css_override_;
DISALLOW_COPY_AND_ASSIGN(NativeThemeGtk);
};
} // namespace gtk
#endif // UI_GTK_NATIVE_THEME_GTK_H_
|
