зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
3.5 KiB
C++
138 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Some prefable colors for style system use */
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#ifndef mozilla_ColorPreferences_h
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#define mozilla_ColorPreferences_h
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#include "nsColor.h"
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#include "mozilla/ColorScheme.h"
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namespace mozilla {
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namespace dom {
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class Document;
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}
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struct PreferenceSheet {
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struct Prefs {
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struct Colors {
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nscolor mLink = NS_RGB(0x00, 0x00, 0xEE);
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nscolor mActiveLink = NS_RGB(0xEE, 0x00, 0x00);
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nscolor mVisitedLink = NS_RGB(0x55, 0x1A, 0x8B);
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nscolor mDefault = NS_RGB(0, 0, 0);
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nscolor mDefaultBackground = NS_RGB(0xFF, 0xFF, 0xFF);
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nscolor mFocusText = mDefault;
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nscolor mFocusBackground = mDefaultBackground;
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} mLightColors, mDarkColors;
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const Colors& ColorsFor(ColorScheme aScheme) const {
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return mMustUseLightColorSet || aScheme == ColorScheme::Light
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? mLightColors
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: mDarkColors;
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}
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bool mIsChrome = false;
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bool mUseAccessibilityTheme = false;
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bool mUseDocumentColors = true;
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bool mUsePrefColors = false;
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bool mUseStandins = false;
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bool mMustUseLightColorSet = false;
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// Sometimes we can force a color scheme on a document, or honor the
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// preferred color-scheme in more cases, depending on whether we're forcing
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// colors or not.
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enum class ColorSchemeChoice : uint8_t {
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// We're not forcing colors, use standard algorithm based on specified
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// style and meta tags and so on.
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Standard,
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// We can honor whatever the preferred color-scheme for the document is
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// (the preferred color-scheme of the user, since we're forcing colors).
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UserPreferred,
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Light,
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Dark,
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};
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ColorSchemeChoice mColorSchemeChoice = ColorSchemeChoice::Standard;
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// Whether the non-native theme should use real system colors for widgets.
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bool NonNativeThemeShouldBeHighContrast() const;
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void Load(bool aIsChrome);
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void LoadColors(bool aIsLight);
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};
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static void EnsureInitialized() {
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if (sInitialized) {
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return;
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}
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Initialize();
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}
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static void Refresh() {
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sInitialized = false;
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Initialize();
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}
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static bool AffectedByPref(const nsACString&);
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static Prefs& ContentPrefs() {
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MOZ_ASSERT(sInitialized);
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return sContentPrefs;
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}
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static Prefs& ChromePrefs() {
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MOZ_ASSERT(sInitialized);
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return sChromePrefs;
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}
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static Prefs& PrintPrefs() {
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MOZ_ASSERT(sInitialized);
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return sPrintPrefs;
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}
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enum class PrefsKind {
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Chrome,
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Print,
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Content,
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};
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static PrefsKind PrefsKindFor(const dom::Document&);
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static bool ShouldUseChromePrefs(const dom::Document& aDocument) {
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return PrefsKindFor(aDocument) == PrefsKind::Chrome;
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}
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static bool MayForceColors() { return !ContentPrefs().mUseDocumentColors; }
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static const Prefs& PrefsFor(const dom::Document& aDocument) {
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switch (PrefsKindFor(aDocument)) {
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case PrefsKind::Chrome:
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return ChromePrefs();
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case PrefsKind::Print:
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return PrintPrefs();
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case PrefsKind::Content:
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break;
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}
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return ContentPrefs();
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}
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private:
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static bool sInitialized;
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static Prefs sChromePrefs;
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static Prefs sPrintPrefs;
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static Prefs sContentPrefs;
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static void Initialize();
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};
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} // namespace mozilla
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#endif
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