The Tor Browser / file comparison
comparison: accessible/src/base/StyleInfo.cpp
accessible/src/base/StyleInfo.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:cef42f3a99ed |
|---|---|
| 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 "mozilla/dom/Element.h" | |
| 10 #include "nsComputedDOMStyle.h" | |
| 11 #include "nsCSSProps.h" | |
| 12 #include "nsIFrame.h" | |
| 13 | |
| 14 using namespace mozilla; | |
| 15 using namespace mozilla::a11y; | |
| 16 | |
| 17 StyleInfo::StyleInfo(dom::Element* aElement, nsIPresShell* aPresShell) : | |
| 18 mElement(aElement) | |
| 19 { | |
| 20 mStyleContext = | |
| 21 nsComputedDOMStyle::GetStyleContextForElementNoFlush(aElement, | |
| 22 nullptr, | |
| 23 aPresShell); | |
| 24 } | |
| 25 | |
| 26 void | |
| 27 StyleInfo::Display(nsAString& aValue) | |
| 28 { | |
| 29 aValue.Truncate(); | |
| 30 AppendASCIItoUTF16( | |
| 31 nsCSSProps::ValueToKeyword(mStyleContext->StyleDisplay()->mDisplay, | |
| 32 nsCSSProps::kDisplayKTable), aValue); | |
| 33 } | |
| 34 | |
| 35 void | |
| 36 StyleInfo::TextAlign(nsAString& aValue) | |
| 37 { | |
| 38 aValue.Truncate(); | |
| 39 AppendASCIItoUTF16( | |
| 40 nsCSSProps::ValueToKeyword(mStyleContext->StyleText()->mTextAlign, | |
| 41 nsCSSProps::kTextAlignKTable), aValue); | |
| 42 } | |
| 43 | |
| 44 void | |
| 45 StyleInfo::TextIndent(nsAString& aValue) | |
| 46 { | |
| 47 aValue.Truncate(); | |
| 48 | |
| 49 const nsStyleCoord& styleCoord = | |
| 50 mStyleContext->StyleText()->mTextIndent; | |
| 51 | |
| 52 nscoord coordVal = 0; | |
| 53 switch (styleCoord.GetUnit()) { | |
| 54 case eStyleUnit_Coord: | |
| 55 coordVal = styleCoord.GetCoordValue(); | |
| 56 break; | |
| 57 | |
| 58 case eStyleUnit_Percent: | |
| 59 { | |
| 60 nsIFrame* frame = mElement->GetPrimaryFrame(); | |
| 61 nsIFrame* containerFrame = frame->GetContainingBlock(); | |
| 62 nscoord percentageBase = containerFrame->GetContentRect().width; | |
| 63 coordVal = NSCoordSaturatingMultiply(percentageBase, | |
| 64 styleCoord.GetPercentValue()); | |
| 65 break; | |
| 66 } | |
| 67 | |
| 68 case eStyleUnit_Null: | |
| 69 case eStyleUnit_Normal: | |
| 70 case eStyleUnit_Auto: | |
| 71 case eStyleUnit_None: | |
| 72 case eStyleUnit_Factor: | |
| 73 case eStyleUnit_Degree: | |
| 74 case eStyleUnit_Grad: | |
| 75 case eStyleUnit_Radian: | |
| 76 case eStyleUnit_Turn: | |
| 77 case eStyleUnit_FlexFraction: | |
| 78 case eStyleUnit_Integer: | |
| 79 case eStyleUnit_Enumerated: | |
| 80 case eStyleUnit_Calc: | |
| 81 break; | |
| 82 } | |
| 83 | |
| 84 aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal)); | |
| 85 aValue.AppendLiteral("px"); | |
| 86 } | |
| 87 | |
| 88 void | |
| 89 StyleInfo::Margin(css::Side aSide, nsAString& aValue) | |
| 90 { | |
| 91 aValue.Truncate(); | |
| 92 | |
| 93 nscoord coordVal = mElement->GetPrimaryFrame()->GetUsedMargin().Side(aSide); | |
| 94 aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal)); | |
| 95 aValue.AppendLiteral("px"); | |
| 96 } | |
| 97 | |
| 98 void | |
| 99 StyleInfo::FormatColor(const nscolor& aValue, nsString& aFormattedValue) | |
| 100 { | |
| 101 // Combine the string like rgb(R, G, B) from nscolor. | |
| 102 aFormattedValue.AppendLiteral("rgb("); | |
| 103 aFormattedValue.AppendInt(NS_GET_R(aValue)); | |
| 104 aFormattedValue.AppendLiteral(", "); | |
| 105 aFormattedValue.AppendInt(NS_GET_G(aValue)); | |
| 106 aFormattedValue.AppendLiteral(", "); | |
| 107 aFormattedValue.AppendInt(NS_GET_B(aValue)); | |
| 108 aFormattedValue.Append(')'); | |
| 109 } | |
| 110 | |
| 111 void | |
| 112 StyleInfo::FormatFontStyle(const nscoord& aValue, nsAString& aFormattedValue) | |
| 113 { | |
| 114 nsCSSKeyword keyword = | |
| 115 nsCSSProps::ValueToKeywordEnum(aValue, nsCSSProps::kFontStyleKTable); | |
| 116 AppendUTF8toUTF16(nsCSSKeywords::GetStringValue(keyword), aFormattedValue); | |
| 117 } | |
| 118 | |
| 119 void | |
| 120 StyleInfo::FormatTextDecorationStyle(uint8_t aValue, nsAString& aFormattedValue) | |
| 121 { | |
| 122 nsCSSKeyword keyword = | |
| 123 nsCSSProps::ValueToKeywordEnum(aValue, | |
| 124 nsCSSProps::kTextDecorationStyleKTable); | |
| 125 AppendUTF8toUTF16(nsCSSKeywords::GetStringValue(keyword), aFormattedValue); | |
| 126 } |
