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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /accessible/base/StyleInfo.cpp | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/base/StyleInfo.cpp')
-rw-r--r-- | accessible/base/StyleInfo.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/accessible/base/StyleInfo.cpp b/accessible/base/StyleInfo.cpp new file mode 100644 index 0000000000..11d71fcf34 --- /dev/null +++ b/accessible/base/StyleInfo.cpp @@ -0,0 +1,90 @@ +/* -*- 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) : mElement(aElement) { + mComputedStyle = nsComputedDOMStyle::GetComputedStyleNoFlush(aElement); +} + +already_AddRefed<nsAtom> StyleInfo::Display() { + nsAutoCString value; + mComputedStyle->GetComputedPropertyValue(eCSSProperty_display, value); + RefPtr<nsAtom> atomVal = NS_Atomize(value); + return atomVal.forget(); +} + +already_AddRefed<nsAtom> StyleInfo::TextAlign() { + nsAutoCString value; + mComputedStyle->GetComputedPropertyValue(eCSSProperty_text_align, value); + RefPtr<nsAtom> atomVal = NS_Atomize(value); + return atomVal.forget(); +} + +mozilla::LengthPercentage StyleInfo::TextIndent() { + return mComputedStyle->StyleText()->mTextIndent; +} + +CSSCoord StyleInfo::Margin(Side aSide) { + MOZ_ASSERT(mElement->GetPrimaryFrame(), + " mElement->GetPrimaryFrame() needs to be valid pointer"); + + nsIFrame* frame = mElement->GetPrimaryFrame(); + + // This is here only to guarantee that we do the same as getComputedStyle + // does, so that we don't hit precision errors in tests. + auto& margin = frame->StyleMargin()->mMargin.Get(aSide); + if (margin.ConvertsToLength()) { + return margin.AsLengthPercentage().ToLengthInCSSPixels(); + } + + nscoord coordVal = frame->GetUsedMargin().Side(aSide); + return CSSPixel::FromAppUnits(coordVal); +} + +void StyleInfo::FormatColor(const nscolor& aValue, nsAString& 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(')'); +} + +already_AddRefed<nsAtom> StyleInfo::TextDecorationStyleToAtom( + StyleTextDecorationStyle aValue) { + // TODO: When these are enum classes that rust also understands we should just + // make an FFI call here. + switch (aValue) { + case StyleTextDecorationStyle::None: + return NS_Atomize("-moz-none"); + case StyleTextDecorationStyle::Solid: + return NS_Atomize("solid"); + case StyleTextDecorationStyle::Double: + return NS_Atomize("double"); + case StyleTextDecorationStyle::Dotted: + return NS_Atomize("dotted"); + case StyleTextDecorationStyle::Dashed: + return NS_Atomize("dashed"); + case StyleTextDecorationStyle::Wavy: + return NS_Atomize("wavy"); + default: + MOZ_ASSERT_UNREACHABLE("Unknown decoration style"); + break; + } + + return nullptr; +} |