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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /accessible/base/StyleInfo.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'accessible/base/StyleInfo.cpp')
-rw-r--r--accessible/base/StyleInfo.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/accessible/base/StyleInfo.cpp b/accessible/base/StyleInfo.cpp
new file mode 100644
index 000000000..d49152cba
--- /dev/null
+++ b/accessible/base/StyleInfo.cpp
@@ -0,0 +1,122 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set expandtab shiftwidth=2 tabstop=2: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "StyleInfo.h"
+
+#include "mozilla/dom/Element.h"
+#include "nsComputedDOMStyle.h"
+#include "nsCSSProps.h"
+#include "nsIFrame.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+StyleInfo::StyleInfo(dom::Element* aElement, nsIPresShell* aPresShell) :
+ mElement(aElement)
+{
+ mStyleContext =
+ nsComputedDOMStyle::GetStyleContextForElementNoFlush(aElement,
+ nullptr,
+ aPresShell);
+}
+
+void
+StyleInfo::Display(nsAString& aValue)
+{
+ aValue.Truncate();
+ AppendASCIItoUTF16(
+ nsCSSProps::ValueToKeyword(mStyleContext->StyleDisplay()->mDisplay,
+ nsCSSProps::kDisplayKTable), aValue);
+}
+
+void
+StyleInfo::TextAlign(nsAString& aValue)
+{
+ aValue.Truncate();
+ AppendASCIItoUTF16(
+ nsCSSProps::ValueToKeyword(mStyleContext->StyleText()->mTextAlign,
+ nsCSSProps::kTextAlignKTable), aValue);
+}
+
+void
+StyleInfo::TextIndent(nsAString& aValue)
+{
+ aValue.Truncate();
+
+ const nsStyleCoord& styleCoord =
+ mStyleContext->StyleText()->mTextIndent;
+
+ nscoord coordVal = 0;
+ switch (styleCoord.GetUnit()) {
+ case eStyleUnit_Coord:
+ coordVal = styleCoord.GetCoordValue();
+ aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal));
+ aValue.AppendLiteral("px");
+ break;
+
+ case eStyleUnit_Percent:
+ aValue.AppendFloat(styleCoord.GetPercentValue() * 100);
+ aValue.AppendLiteral("%");
+ break;
+
+ case eStyleUnit_Null:
+ case eStyleUnit_Normal:
+ case eStyleUnit_Auto:
+ case eStyleUnit_None:
+ case eStyleUnit_Factor:
+ case eStyleUnit_Degree:
+ case eStyleUnit_Grad:
+ case eStyleUnit_Radian:
+ case eStyleUnit_Turn:
+ case eStyleUnit_FlexFraction:
+ case eStyleUnit_Integer:
+ case eStyleUnit_Enumerated:
+ case eStyleUnit_Calc:
+ aValue.AppendLiteral("0px");
+ break;
+ }
+}
+
+void
+StyleInfo::Margin(css::Side aSide, nsAString& aValue)
+{
+ MOZ_ASSERT(mElement->GetPrimaryFrame(), " mElement->GetPrimaryFrame() needs to be valid pointer");
+ aValue.Truncate();
+
+ nscoord coordVal = mElement->GetPrimaryFrame()->GetUsedMargin().Side(aSide);
+ aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal));
+ aValue.AppendLiteral("px");
+}
+
+void
+StyleInfo::FormatColor(const nscolor& aValue, nsString& aFormattedValue)
+{
+ // Combine the string like rgb(R, G, B) from nscolor.
+ aFormattedValue.AppendLiteral("rgb(");
+ aFormattedValue.AppendInt(NS_GET_R(aValue));
+ aFormattedValue.AppendLiteral(", ");
+ aFormattedValue.AppendInt(NS_GET_G(aValue));
+ aFormattedValue.AppendLiteral(", ");
+ aFormattedValue.AppendInt(NS_GET_B(aValue));
+ aFormattedValue.Append(')');
+}
+
+void
+StyleInfo::FormatFontStyle(const nscoord& aValue, nsAString& aFormattedValue)
+{
+ nsCSSKeyword keyword =
+ nsCSSProps::ValueToKeywordEnum(aValue, nsCSSProps::kFontStyleKTable);
+ AppendUTF8toUTF16(nsCSSKeywords::GetStringValue(keyword), aFormattedValue);
+}
+
+void
+StyleInfo::FormatTextDecorationStyle(uint8_t aValue, nsAString& aFormattedValue)
+{
+ nsCSSKeyword keyword =
+ nsCSSProps::ValueToKeywordEnum(aValue,
+ nsCSSProps::kTextDecorationStyleKTable);
+ AppendUTF8toUTF16(nsCSSKeywords::GetStringValue(keyword), aFormattedValue);
+}