accessible/base/StyleInfo.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set expandtab shiftwidth=2 tabstop=2: */
   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 #include "StyleInfo.h"
   8
   9 #include "nsStyleConsts.h"
  10
  11 using namespace mozilla;
  12 using namespace mozilla::a11y;
  13
  14 void StyleInfo::FormatColor(const nscolor& aValue, nsAString& aFormattedValue) {
  15   // Combine the string like rgb(R, G, B) from nscolor.
  16   // FIXME: What about the alpha channel?
  17   aFormattedValue.AppendLiteral("rgb(");
  18   aFormattedValue.AppendInt(NS_GET_R(aValue));
  19   aFormattedValue.AppendLiteral(", ");
  20   aFormattedValue.AppendInt(NS_GET_G(aValue));
  21   aFormattedValue.AppendLiteral(", ");
  22   aFormattedValue.AppendInt(NS_GET_B(aValue));
  23   aFormattedValue.Append(')');
  24 }
  25
  26 already_AddRefed<nsAtom> StyleInfo::TextDecorationStyleToAtom(
  27     StyleTextDecorationStyle aValue) {
  28   // TODO: When these are enum classes that rust also understands we should just
  29   // make an FFI call here.
  30   // TODO: These should probably be static atoms.
  31   switch (aValue) {
  32     case StyleTextDecorationStyle::None:
  33       return NS_Atomize("-moz-none");
  34     case StyleTextDecorationStyle::Solid:
  35       return NS_Atomize("solid");
  36     case StyleTextDecorationStyle::Double:
  37       return NS_Atomize("double");
  38     case StyleTextDecorationStyle::Dotted:
  39       return NS_Atomize("dotted");
  40     case StyleTextDecorationStyle::Dashed:
  41       return NS_Atomize("dashed");
  42     case StyleTextDecorationStyle::Wavy:
  43       return NS_Atomize("wavy");
  44     default:
  45       MOZ_ASSERT_UNREACHABLE("Unknown decoration style");
  46       break;
  47   }
  48
  49   return nullptr;
  50 }