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
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_STYLE_ASH_COLOR_PROVIDER_SOURCE_H_
#define ASH_STYLE_ASH_COLOR_PROVIDER_SOURCE_H_
#include "ash/ash_export.h"
#include "base/scoped_observation.h"
#include "ui/color/color_provider_key.h"
#include "ui/color/color_provider_source.h"
#include "ui/native_theme/native_theme.h"
#include "ui/native_theme/native_theme_observer.h"
namespace ash {
// A ColorProviderSource used when we need to apply color on an object which is
// not in the view hierarchy and there's no related widget anywhere we can plumb
// across from.
class ASH_EXPORT AshColorProviderSource : public ui::ColorProviderSource,
public ui::NativeThemeObserver {
public:
AshColorProviderSource();
AshColorProviderSource(const AshColorProviderSource&) = delete;
AshColorProviderSource& operator=(const AshColorProviderSource&) = delete;
~AshColorProviderSource() override;
// ui::ColorProviderSource:
const ui::ColorProvider* GetColorProvider() const override;
ui::RendererColorMap GetRendererColorMap(
ui::ColorProviderKey::ColorMode color_mode,
ui::ColorProviderKey::ForcedColors forced_colors) const override;
// ui::NativeThemeObserver:
void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) override;
protected:
// ui::ColorProviderSource:
ui::ColorProviderKey GetColorProviderKey() const override;
private:
base::ScopedObservation<ui::NativeTheme, ui::NativeThemeObserver>
native_theme_observation_{this};
};
} // namespace ash
#endif // ASH_STYLE_ASH_COLOR_PROVIDER_SOURCE_H_
|
