gecko-dev/layout/style/PreferenceSheet.h
Emilio Cobos Álvarez f3cfe85712 Bug 1789214 - When forcing colors without a color-scheme, compute prefers-color-scheme based on them. r=morgan
This requires moving some code around to PreferenceSheet, but that makes
stuff actually a bit simpler.

Depends on D192574

Differential Revision: https://phabricator.services.mozilla.com/D192575
2023-11-06 19:59:38 +00:00

136 lines
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Some prefable colors for style system use */
#ifndef mozilla_ColorPreferences_h
#define mozilla_ColorPreferences_h
#include "nsColor.h"
#include "mozilla/ColorScheme.h"
namespace mozilla {
namespace dom {
class Document;
}
struct PreferenceSheet {
struct Prefs {
struct Colors {
nscolor mLink = NS_RGB(0x00, 0x00, 0xEE);
nscolor mActiveLink = NS_RGB(0xEE, 0x00, 0x00);
nscolor mVisitedLink = NS_RGB(0x55, 0x1A, 0x8B);
nscolor mDefault = NS_RGB(0, 0, 0);
nscolor mDefaultBackground = NS_RGB(0xFF, 0xFF, 0xFF);
} mLightColors, mDarkColors;
const Colors& ColorsFor(ColorScheme aScheme) const {
return mMustUseLightColorSet || aScheme == ColorScheme::Light
? mLightColors
: mDarkColors;
}
bool mIsChrome = false;
bool mUseAccessibilityTheme = false;
bool mUseDocumentColors = true;
bool mUsePrefColors = false;
bool mUseStandins = false;
bool mMustUseLightColorSet = false;
bool mMustUseLightSystemColors = false;
ColorScheme mColorScheme = ColorScheme::Light;
// Whether the non-native theme should use real system colors for widgets.
bool NonNativeThemeShouldBeHighContrast() const;
void Load(bool aIsChrome);
void LoadColors(bool aIsLight);
};
static void EnsureInitialized() {
if (sInitialized) {
return;
}
Initialize();
}
static void Refresh() {
sInitialized = false;
Initialize();
}
static bool AffectedByPref(const nsACString&);
enum class ChromeColorSchemeSetting { Light, Dark, System };
static ChromeColorSchemeSetting ColorSchemeSettingForChrome();
static ColorScheme ColorSchemeForChrome() {
MOZ_ASSERT(sInitialized);
return ChromePrefs().mColorScheme;
}
static ColorScheme PreferredColorSchemeForContent() {
MOZ_ASSERT(sInitialized);
return ContentPrefs().mColorScheme;
}
static ColorScheme ThemeDerivedColorSchemeForContent();
static Prefs& ContentPrefs() {
MOZ_ASSERT(sInitialized);
return sContentPrefs;
}
static Prefs& ChromePrefs() {
MOZ_ASSERT(sInitialized);
return sChromePrefs;
}
static Prefs& PrintPrefs() {
MOZ_ASSERT(sInitialized);
return sPrintPrefs;
}
enum class PrefsKind {
Chrome,
Print,
Content,
};
static PrefsKind PrefsKindFor(const dom::Document&);
static bool ShouldUseChromePrefs(const dom::Document& aDocument) {
return PrefsKindFor(aDocument) == PrefsKind::Chrome;
}
static bool MayForceColors() { return !ContentPrefs().mUseDocumentColors; }
static const Prefs& PrefsFor(const dom::Document& aDocument) {
switch (PrefsKindFor(aDocument)) {
case PrefsKind::Chrome:
return ChromePrefs();
case PrefsKind::Print:
return PrintPrefs();
case PrefsKind::Content:
break;
}
return ContentPrefs();
}
private:
static bool sInitialized;
static Prefs sChromePrefs;
static Prefs sPrintPrefs;
static Prefs sContentPrefs;
static void Initialize();
};
} // namespace mozilla
#endif