118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SVGAnimatedString.h"
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#include <utility>
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#include "SMILStringType.h"
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#include "SVGAttrTearoffTable.h"
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#include "mozilla/SMILValue.h"
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#include "mozilla/dom/TrustedTypeUtils.h"
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#include "mozilla/dom/TrustedTypesConstants.h"
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using namespace mozilla::dom;
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namespace mozilla {
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/* Implementation */
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void SVGAnimatedString::SetBaseValue(const nsAString& aValue,
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SVGElement* aSVGElement, bool aDoSetAttr) {
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NS_ASSERTION(aSVGElement, "Null element passed to SetBaseValue");
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mIsBaseSet = true;
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if (aDoSetAttr) {
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aSVGElement->SetStringBaseValue(mAttrEnum, aValue);
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}
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if (mAnimVal) {
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aSVGElement->AnimationNeedsResample();
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}
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aSVGElement->DidChangeString(mAttrEnum);
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}
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void SVGAnimatedString::GetAnimValue(nsAString& aResult,
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const SVGElement* aSVGElement) const {
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if (mAnimVal) {
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aResult = *mAnimVal;
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return;
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}
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aSVGElement->GetStringBaseValue(mAttrEnum, aResult);
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}
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void SVGAnimatedString::SetAnimValue(const nsAString& aValue,
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SVGElement* aSVGElement) {
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if (aSVGElement->IsStringAnimatable(mAttrEnum)) {
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if (mAnimVal && mAnimVal->Equals(aValue)) {
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return;
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}
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if (!mAnimVal) {
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mAnimVal = MakeUnique<nsString>();
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}
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*mAnimVal = aValue;
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aSVGElement->DidAnimateString(mAttrEnum);
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}
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}
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UniquePtr<SMILAttr> SVGAnimatedString::ToSMILAttr(SVGElement* aSVGElement) {
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return MakeUnique<SMILString>(this, aSVGElement);
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}
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nsresult SVGAnimatedString::SMILString::ValueFromString(
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const nsAString& aStr, const dom::SVGAnimationElement* /*aSrcElement*/,
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SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
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SMILValue val(SMILStringType::Singleton());
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*static_cast<nsAString*>(val.mU.mPtr) = aStr;
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aValue = std::move(val);
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return NS_OK;
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}
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SMILValue SVGAnimatedString::SMILString::GetBaseValue() const {
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SMILValue val(SMILStringType::Singleton());
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mSVGElement->GetStringBaseValue(mVal->mAttrEnum,
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*static_cast<nsAString*>(val.mU.mPtr));
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return val;
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}
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void SVGAnimatedString::SMILString::ClearAnimValue() {
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if (mVal->mAnimVal) {
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mVal->mAnimVal = nullptr;
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mSVGElement->DidAnimateString(mVal->mAttrEnum);
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}
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}
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nsresult SVGAnimatedString::SMILString::SetAnimValue(const SMILValue& aValue) {
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NS_ASSERTION(aValue.mType == SMILStringType::Singleton(),
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"Unexpected type to assign animated value");
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if (aValue.mType == SMILStringType::Singleton()) {
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mVal->SetAnimValue(*static_cast<nsAString*>(aValue.mU.mPtr), mSVGElement);
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}
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return NS_OK;
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}
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void SVGAnimatedScriptHrefString::SetBaseValue(
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const TrustedScriptURLOrString& aValue, SVGElement* aSVGElement,
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bool aDoSetAttr, nsIPrincipal* aSubjectPrincipal, ErrorResult& aRv) {
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// https://svgwg.org/svg2-draft/single-page.html#types-InterfaceSVGAnimatedString
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// See https://github.com/w3c/svgwg/pull/934
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MOZ_ASSERT(aSVGElement->IsSVGElement(nsGkAtoms::script));
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nsCOMPtr<SVGElement> svgElement = aSVGElement;
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constexpr nsLiteralString sink = u"SVGScriptElement href"_ns;
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Maybe<nsAutoString> compliantStringHolder;
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const nsAString* compliantString =
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TrustedTypeUtils::GetTrustedTypesCompliantString(
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aValue, sink, kTrustedTypesOnlySinkGroup, *svgElement,
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aSubjectPrincipal, compliantStringHolder, aRv);
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if (aRv.Failed()) {
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return;
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}
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SVGAnimatedString::SetBaseValue(*compliantString, aSVGElement, aDoSetAttr);
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}
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} // namespace mozilla
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