tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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PreferenceSheet.h (3108B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 /* Some prefable colors for style system use */
      8 
      9 #ifndef mozilla_ColorPreferences_h
     10 #define mozilla_ColorPreferences_h
     11 
     12 #include "mozilla/ColorScheme.h"
     13 #include "nsColor.h"
     14 
     15 namespace mozilla {
     16 
     17 namespace dom {
     18 class Document;
     19 }
     20 
     21 struct PreferenceSheet {
     22  struct Prefs {
     23    struct Colors {
     24      nscolor mLink = NS_RGB(0x00, 0x00, 0xEE);
     25      nscolor mActiveLink = NS_RGB(0xEE, 0x00, 0x00);
     26      nscolor mVisitedLink = NS_RGB(0x55, 0x1A, 0x8B);
     27 
     28      nscolor mDefault = NS_RGB(0, 0, 0);
     29      nscolor mDefaultBackground = NS_RGB(0xFF, 0xFF, 0xFF);
     30    } mLightColors, mDarkColors;
     31 
     32    const Colors& ColorsFor(ColorScheme aScheme) const {
     33      return mMustUseLightColorSet || aScheme == ColorScheme::Light
     34                 ? mLightColors
     35                 : mDarkColors;
     36    }
     37 
     38    bool mIsChrome = false;
     39    bool mUseAccessibilityTheme = false;
     40    bool mUseDocumentColors = true;
     41    bool mUsePrefColors = false;
     42    bool mUseStandins = false;
     43    bool mMustUseLightColorSet = false;
     44    bool mMustUseLightSystemColors = false;
     45 
     46    ColorScheme mColorScheme = ColorScheme::Light;
     47 
     48    void Load(bool aIsChrome);
     49    void LoadColors(bool aIsLight);
     50  };
     51 
     52  static void Refresh() {
     53    sInitialized = false;
     54    Initialize();
     55  }
     56 
     57  enum class ChromeColorSchemeSetting { Light, Dark, System };
     58  static ChromeColorSchemeSetting ColorSchemeSettingForChrome();
     59 
     60  static ColorScheme ColorSchemeForChrome() {
     61    MOZ_ASSERT(sInitialized);
     62    return ChromePrefs().mColorScheme;
     63  }
     64 
     65  static ColorScheme PreferredColorSchemeForContent() {
     66    MOZ_ASSERT(sInitialized);
     67    return ContentPrefs().mColorScheme;
     68  }
     69  static ColorScheme ThemeDerivedColorSchemeForContent();
     70 
     71  static Prefs& ContentPrefs() {
     72    MOZ_ASSERT(sInitialized);
     73    return sContentPrefs;
     74  }
     75 
     76  static Prefs& ChromePrefs() {
     77    MOZ_ASSERT(sInitialized);
     78    return sChromePrefs;
     79  }
     80 
     81  static Prefs& PrintPrefs() {
     82    MOZ_ASSERT(sInitialized);
     83    return sPrintPrefs;
     84  }
     85 
     86  enum class PrefsKind {
     87    Chrome,
     88    Print,
     89    Content,
     90  };
     91 
     92  static PrefsKind PrefsKindFor(const dom::Document&);
     93 
     94  static bool ShouldUseChromePrefs(const dom::Document& aDocument) {
     95    return PrefsKindFor(aDocument) == PrefsKind::Chrome;
     96  }
     97 
     98  static bool MayForceColors() { return !ContentPrefs().mUseDocumentColors; }
     99 
    100  static const Prefs& PrefsFor(const dom::Document& aDocument) {
    101    switch (PrefsKindFor(aDocument)) {
    102      case PrefsKind::Chrome:
    103        return ChromePrefs();
    104      case PrefsKind::Print:
    105        return PrintPrefs();
    106      case PrefsKind::Content:
    107        break;
    108    }
    109    return ContentPrefs();
    110  }
    111 
    112 private:
    113  static bool sInitialized;
    114  static Prefs sChromePrefs;
    115  static Prefs sPrintPrefs;
    116  static Prefs sContentPrefs;
    117 
    118  static void Initialize();
    119 };
    120 
    121 }  // namespace mozilla
    122 
    123 #endif