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
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SCROLLBAR_THEME_SETTINGS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SCROLLBAR_THEME_SETTINGS_H_
#include "third_party/blink/renderer/platform/platform_export.h"
namespace blink {
// Scrollbar theme settings are only accessible from particular classes. Other
// code should use Page::GetScrollbarTheme(), and test code can also use
// ScopedMockOverlayScrollbars. These settings are not under
// RuntimeEnabledFeatures because OverlayScrollbars can only be set though
// WebRuntimeSettings for chrome, and blink tests code must set
// OverlayScrollbars and MockScrollbars at the same time with
// ScopedOverlayMockScrollbars (see the class for the reasons), unless the
// callers (the listed friend classes only) know that the reasons don't apply.
class PLATFORM_EXPORT ScrollbarThemeSettings {
private:
ScrollbarThemeSettings() = delete;
friend class DevToolsEmulator;
friend class Element;
friend class Internals;
friend class ScopedMockOverlayScrollbars;
friend class ScrollbarsTest;
friend class ScrollbarTheme;
friend class OverlayScrollbarThemeFluentTest;
friend class ScrollbarThemeFluentTest;
friend class ScrollbarThemeMacTest;
friend class WebRuntimeFeatures;
friend class WebThemeEngineDefault;
static void SetMockScrollbarsEnabled(bool);
static bool MockScrollbarsEnabled();
static void SetOverlayScrollbarsEnabled(bool);
// This is the global overlay scrollbars setting. We also allow per-page
// setting of Android overlay scrollbars, which overrides this setting, for
// device emulation on desktop, so code should use Page::GetScrollbarTheme()
// instead of this function.
static bool OverlayScrollbarsEnabled();
static void SetFluentScrollbarsEnabled(bool);
static bool FluentScrollbarsEnabled();
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SCROLLBAR_THEME_SETTINGS_H_
|
