widget/ColorScheme.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_ColorScheme_h
   7 #define mozilla_ColorScheme_h
   8
   9 #include <cstdint>
  10
  11 namespace mozilla {
  12
  13 // Whether we should use a light or dark appearance.
  14 enum class ColorScheme : uint8_t { Light, Dark };
  15
  16 // The color-scheme we should get back in case it's not explicit. The "used"
  17 // mode is the mode that most of layout should use (defaults to light if the
  18 // page doesn't have a color-scheme property / meta-tag indicating otherwise).
  19 //
  20 // The "preferred" mode returns the color-scheme for purposes of
  21 // prefers-color-scheme propagation (that is, it defaults to the current
  22 // preferred color-scheme, rather than light).
  23 enum class ColorSchemeMode : uint8_t {
  24   Used,
  25   Preferred,
  26 };
  27
  28 }  // namespace mozilla
  29
  30 #endif