The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/src/base/StyleInfo.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,126 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set expandtab shiftwidth=2 tabstop=2: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "StyleInfo.h"
    1.11 +
    1.12 +#include "mozilla/dom/Element.h"
    1.13 +#include "nsComputedDOMStyle.h"
    1.14 +#include "nsCSSProps.h"
    1.15 +#include "nsIFrame.h"
    1.16 +
    1.17 +using namespace mozilla;
    1.18 +using namespace mozilla::a11y;
    1.19 +
    1.20 +StyleInfo::StyleInfo(dom::Element* aElement, nsIPresShell* aPresShell) :
    1.21 +  mElement(aElement)
    1.22 +{
    1.23 +  mStyleContext =
    1.24 +    nsComputedDOMStyle::GetStyleContextForElementNoFlush(aElement,
    1.25 +                                                         nullptr,
    1.26 +                                                         aPresShell);
    1.27 +}
    1.28 +
    1.29 +void
    1.30 +StyleInfo::Display(nsAString& aValue)
    1.31 +{
    1.32 +  aValue.Truncate();
    1.33 +  AppendASCIItoUTF16(
    1.34 +    nsCSSProps::ValueToKeyword(mStyleContext->StyleDisplay()->mDisplay,
    1.35 +                               nsCSSProps::kDisplayKTable), aValue);
    1.36 +}
    1.37 +
    1.38 +void
    1.39 +StyleInfo::TextAlign(nsAString& aValue)
    1.40 +{
    1.41 +  aValue.Truncate();
    1.42 +  AppendASCIItoUTF16(
    1.43 +    nsCSSProps::ValueToKeyword(mStyleContext->StyleText()->mTextAlign,
    1.44 +                               nsCSSProps::kTextAlignKTable), aValue);
    1.45 +}
    1.46 +
    1.47 +void
    1.48 +StyleInfo::TextIndent(nsAString& aValue)
    1.49 +{
    1.50 +  aValue.Truncate();
    1.51 +
    1.52 +  const nsStyleCoord& styleCoord =
    1.53 +    mStyleContext->StyleText()->mTextIndent;
    1.54 +
    1.55 +  nscoord coordVal = 0;
    1.56 +  switch (styleCoord.GetUnit()) {
    1.57 +    case eStyleUnit_Coord:
    1.58 +      coordVal = styleCoord.GetCoordValue();
    1.59 +      break;
    1.60 +
    1.61 +    case eStyleUnit_Percent:
    1.62 +    {
    1.63 +      nsIFrame* frame = mElement->GetPrimaryFrame();
    1.64 +      nsIFrame* containerFrame = frame->GetContainingBlock();
    1.65 +      nscoord percentageBase = containerFrame->GetContentRect().width;
    1.66 +      coordVal = NSCoordSaturatingMultiply(percentageBase,
    1.67 +                                           styleCoord.GetPercentValue());
    1.68 +      break;
    1.69 +    }
    1.70 +
    1.71 +    case eStyleUnit_Null:
    1.72 +    case eStyleUnit_Normal:
    1.73 +    case eStyleUnit_Auto:
    1.74 +    case eStyleUnit_None:
    1.75 +    case eStyleUnit_Factor:
    1.76 +    case eStyleUnit_Degree:
    1.77 +    case eStyleUnit_Grad:
    1.78 +    case eStyleUnit_Radian:
    1.79 +    case eStyleUnit_Turn:
    1.80 +    case eStyleUnit_FlexFraction:
    1.81 +    case eStyleUnit_Integer:
    1.82 +    case eStyleUnit_Enumerated:
    1.83 +    case eStyleUnit_Calc:
    1.84 +      break;
    1.85 +  }
    1.86 +
    1.87 +  aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal));
    1.88 +  aValue.AppendLiteral("px");
    1.89 +}
    1.90 +
    1.91 +void
    1.92 +StyleInfo::Margin(css::Side aSide, nsAString& aValue)
    1.93 +{
    1.94 +  aValue.Truncate();
    1.95 +
    1.96 +  nscoord coordVal = mElement->GetPrimaryFrame()->GetUsedMargin().Side(aSide);
    1.97 +  aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal));
    1.98 +  aValue.AppendLiteral("px");
    1.99 +}
   1.100 +
   1.101 +void
   1.102 +StyleInfo::FormatColor(const nscolor& aValue, nsString& aFormattedValue)
   1.103 +{
   1.104 +  // Combine the string like rgb(R, G, B) from nscolor.
   1.105 +  aFormattedValue.AppendLiteral("rgb(");
   1.106 +  aFormattedValue.AppendInt(NS_GET_R(aValue));
   1.107 +  aFormattedValue.AppendLiteral(", ");
   1.108 +  aFormattedValue.AppendInt(NS_GET_G(aValue));
   1.109 +  aFormattedValue.AppendLiteral(", ");
   1.110 +  aFormattedValue.AppendInt(NS_GET_B(aValue));
   1.111 +  aFormattedValue.Append(')');
   1.112 +}
   1.113 +
   1.114 +void
   1.115 +StyleInfo::FormatFontStyle(const nscoord& aValue, nsAString& aFormattedValue)
   1.116 +{
   1.117 +  nsCSSKeyword keyword =
   1.118 +    nsCSSProps::ValueToKeywordEnum(aValue, nsCSSProps::kFontStyleKTable);
   1.119 +  AppendUTF8toUTF16(nsCSSKeywords::GetStringValue(keyword), aFormattedValue);
   1.120 +}
   1.121 +
   1.122 +void
   1.123 +StyleInfo::FormatTextDecorationStyle(uint8_t aValue, nsAString& aFormattedValue)
   1.124 +{
   1.125 +  nsCSSKeyword keyword =
   1.126 +    nsCSSProps::ValueToKeywordEnum(aValue,
   1.127 +                                   nsCSSProps::kTextDecorationStyleKTable);
   1.128 +  AppendUTF8toUTF16(nsCSSKeywords::GetStringValue(keyword), aFormattedValue);
   1.129 +}