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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/svg/SVGPreserveAspectRatio.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGPreserveAspectRatio.cpp')
-rw-r--r-- | dom/svg/SVGPreserveAspectRatio.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/dom/svg/SVGPreserveAspectRatio.cpp b/dom/svg/SVGPreserveAspectRatio.cpp new file mode 100644 index 0000000000..0cd947e867 --- /dev/null +++ b/dom/svg/SVGPreserveAspectRatio.cpp @@ -0,0 +1,145 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 "SVGPreserveAspectRatio.h" + +#include "mozilla/dom/SVGPreserveAspectRatioBinding.h" +#include "nsContentUtils.h" +#include "nsWhitespaceTokenizer.h" +#include "SVGAnimatedPreserveAspectRatio.h" + +using namespace mozilla::dom; +using namespace mozilla::dom::SVGPreserveAspectRatio_Binding; + +namespace mozilla { + +NS_SVG_VAL_IMPL_CYCLE_COLLECTION_WRAPPERCACHED(DOMSVGPreserveAspectRatio, + mSVGElement) + +static const char* sAlignStrings[] = { + "none", "xMinYMin", "xMidYMin", "xMaxYMin", "xMinYMid", + "xMidYMid", "xMaxYMid", "xMinYMax", "xMidYMax", "xMaxYMax"}; + +static const char* sMeetOrSliceStrings[] = {"meet", "slice"}; + +static uint16_t GetAlignForString(const nsAString& aAlignString) { + for (uint32_t i = 0; i < ArrayLength(sAlignStrings); i++) { + if (aAlignString.EqualsASCII(sAlignStrings[i])) { + return (i + SVG_ALIGN_MIN_VALID); + } + } + + return SVG_PRESERVEASPECTRATIO_UNKNOWN; +} + +static uint16_t GetMeetOrSliceForString(const nsAString& aMeetOrSlice) { + for (uint32_t i = 0; i < ArrayLength(sMeetOrSliceStrings); i++) { + if (aMeetOrSlice.EqualsASCII(sMeetOrSliceStrings[i])) { + return (i + SVG_MEETORSLICE_MIN_VALID); + } + } + + return SVG_MEETORSLICE_UNKNOWN; +} + +/* static */ +nsresult SVGPreserveAspectRatio::FromString(const nsAString& aString, + SVGPreserveAspectRatio* aValue) { + nsWhitespaceTokenizerTemplate<nsContentUtils::IsHTMLWhitespace> tokenizer( + aString); + if (tokenizer.whitespaceBeforeFirstToken() || !tokenizer.hasMoreTokens()) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + const nsAString& token = tokenizer.nextToken(); + + nsresult rv; + SVGPreserveAspectRatio val; + + rv = val.SetAlign(GetAlignForString(token)); + + if (NS_FAILED(rv)) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + + if (tokenizer.hasMoreTokens()) { + rv = val.SetMeetOrSlice(GetMeetOrSliceForString(tokenizer.nextToken())); + if (NS_FAILED(rv)) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + } else { + val.SetMeetOrSlice(SVG_MEETORSLICE_MEET); + } + + if (tokenizer.whitespaceAfterCurrentToken()) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + + *aValue = val; + return NS_OK; +} + +void SVGPreserveAspectRatio::ToString(nsAString& aValueAsString) const { + MOZ_ASSERT(mAlign >= SVG_ALIGN_MIN_VALID && mAlign <= SVG_ALIGN_MAX_VALID, + "Unknown align"); + aValueAsString.AssignASCII(sAlignStrings[mAlign - SVG_ALIGN_MIN_VALID]); + + if (mAlign != uint8_t(SVG_PRESERVEASPECTRATIO_NONE)) { + MOZ_ASSERT(mMeetOrSlice >= SVG_MEETORSLICE_MIN_VALID && + mMeetOrSlice <= SVG_MEETORSLICE_MAX_VALID, + "Unknown meetOrSlice"); + aValueAsString.Append(' '); + aValueAsString.AppendASCII( + sMeetOrSliceStrings[mMeetOrSlice - SVG_MEETORSLICE_MIN_VALID]); + } +} + +bool SVGPreserveAspectRatio::operator==( + const SVGPreserveAspectRatio& aOther) const { + return mAlign == aOther.mAlign && mMeetOrSlice == aOther.mMeetOrSlice; +} + +JSObject* DOMSVGPreserveAspectRatio::WrapObject( + JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { + return mozilla::dom::SVGPreserveAspectRatio_Binding::Wrap(aCx, this, + aGivenProto); +} + +uint16_t DOMSVGPreserveAspectRatio::Align() { + if (mIsBaseValue) { + return mVal->GetBaseValue().GetAlign(); + } + + mSVGElement->FlushAnimations(); + return mVal->GetAnimValue().GetAlign(); +} + +void DOMSVGPreserveAspectRatio::SetAlign(uint16_t aAlign, ErrorResult& rv) { + if (!mIsBaseValue) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + rv = mVal->SetBaseAlign(aAlign, mSVGElement); +} + +uint16_t DOMSVGPreserveAspectRatio::MeetOrSlice() { + if (mIsBaseValue) { + return mVal->GetBaseValue().GetMeetOrSlice(); + } + + mSVGElement->FlushAnimations(); + return mVal->GetAnimValue().GetMeetOrSlice(); +} + +void DOMSVGPreserveAspectRatio::SetMeetOrSlice(uint16_t aMeetOrSlice, + ErrorResult& rv) { + if (!mIsBaseValue) { + rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR); + return; + } + rv = mVal->SetBaseMeetOrSlice(aMeetOrSlice, mSVGElement); +} + +} // namespace mozilla |