layout/style/PreferenceSheet.h

   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 "nsColor.h"
  13
  14 namespace mozilla {
  15
  16 namespace dom {
  17 class Document;
  18 }
  19
  20 struct PreferenceSheet {
  21   struct Prefs {
  22     nscolor mLinkColor = NS_RGB(0x00, 0x00, 0xEE);
  23     nscolor mActiveLinkColor = NS_RGB(0xEE, 0x00, 0x00);
  24     nscolor mVisitedLinkColor = NS_RGB(0x55, 0x1A, 0x8B);
  25
  26     nscolor mDefaultColor = NS_RGB(0, 0, 0);
  27     nscolor mDefaultBackgroundColor = NS_RGB(0xFF, 0xFF, 0xFF);
  28
  29     nscolor mLinkBackgroundColor = mDefaultBackgroundColor;
  30
  31     nscolor mFocusTextColor = mDefaultColor;
  32     nscolor mFocusBackgroundColor = mDefaultBackgroundColor;
  33
  34     bool mIsChrome = false;
  35     bool mUseAccessibilityTheme = false;
  36
  37     bool mUnderlineLinks = true;
  38     bool mUseFocusColors = false;
  39     bool mUseDocumentColors = true;
  40     uint8_t mFocusRingWidth = 1;
  41     uint8_t mFocusRingStyle = 1;
  42     bool mFocusRingOnAnything = false;
  43
  44     void Load(bool aIsChrome);
  45   };
  46
  47   static void EnsureInitialized() {
  48     if (sInitialized) {
  49       return;
  50     }
  51     Initialize();
  52   }
  53
  54   static void Refresh() {
  55     sInitialized = false;
  56     EnsureInitialized();
  57   }
  58
  59   static Prefs& ContentPrefs() {
  60     MOZ_ASSERT(sInitialized);
  61     return sContentPrefs;
  62   }
  63
  64   static Prefs& ChromePrefs() {
  65     MOZ_ASSERT(sInitialized);
  66     return sChromePrefs;
  67   }
  68
  69   static bool ShouldUseChromePrefs(const dom::Document&);
  70   static const Prefs& PrefsFor(const dom::Document& aDocument) {
  71     return ShouldUseChromePrefs(aDocument) ? ChromePrefs() : ContentPrefs();
  72   }
  73
  74  private:
  75   static bool sInitialized;
  76   static Prefs sContentPrefs;
  77   static Prefs sChromePrefs;
  78
  79   static void Initialize();
  80 };
  81
  82 }  // namespace mozilla
  83
  84 #endif