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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/svg/SVGAnimatedBoolean.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGAnimatedBoolean.cpp')
-rw-r--r-- | dom/svg/SVGAnimatedBoolean.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/dom/svg/SVGAnimatedBoolean.cpp b/dom/svg/SVGAnimatedBoolean.cpp new file mode 100644 index 0000000000..df675759d9 --- /dev/null +++ b/dom/svg/SVGAnimatedBoolean.cpp @@ -0,0 +1,185 @@ +/* -*- 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 "SVGAnimatedBoolean.h" + +#include "DOMSVGAnimatedBoolean.h" +#include "nsError.h" +#include "SMILBoolType.h" +#include "SVGAttrTearoffTable.h" +#include "mozilla/SMILValue.h" + +using namespace mozilla::dom; + +namespace mozilla { + +/* Implementation */ + +//---------------------------------------------------------------------- +// Helper class: AutoChangeBooleanNotifier +// Stack-based helper class to ensure DidChangeBoolean is called. +class MOZ_RAII AutoChangeBooleanNotifier { + public: + AutoChangeBooleanNotifier(SVGAnimatedBoolean* aBoolean, + SVGElement* aSVGElement, bool aDoSetAttr = true) + : mBoolean(aBoolean), mSVGElement(aSVGElement), mDoSetAttr(aDoSetAttr) { + MOZ_ASSERT(mBoolean, "Expecting non-null boolean"); + MOZ_ASSERT(mSVGElement, "Expecting non-null element"); + } + + ~AutoChangeBooleanNotifier() { + if (mDoSetAttr) { + mSVGElement->DidChangeBoolean(mBoolean->mAttrEnum); + } + if (mBoolean->mIsAnimated) { + mSVGElement->AnimationNeedsResample(); + } + } + + private: + SVGAnimatedBoolean* const mBoolean; + SVGElement* const mSVGElement; + bool mDoSetAttr; +}; + +static inline SVGAttrTearoffTable<SVGAnimatedBoolean, DOMSVGAnimatedBoolean>& +SVGAnimatedBooleanTearoffTable() { + static SVGAttrTearoffTable<SVGAnimatedBoolean, DOMSVGAnimatedBoolean> + sSVGAnimatedBooleanTearoffTable; + return sSVGAnimatedBooleanTearoffTable; +} + +static bool GetValueFromString(const nsAString& aValueAsString, bool& aValue) { + if (aValueAsString.EqualsLiteral("true")) { + aValue = true; + return true; + } + if (aValueAsString.EqualsLiteral("false")) { + aValue = false; + return true; + } + return false; +} + +static nsresult GetValueFromAtom(const nsAtom* aValueAsAtom, bool* aValue) { + if (aValueAsAtom == nsGkAtoms::_true) { + *aValue = true; + return NS_OK; + } + if (aValueAsAtom == nsGkAtoms::_false) { + *aValue = false; + return NS_OK; + } + return NS_ERROR_DOM_SYNTAX_ERR; +} + +nsresult SVGAnimatedBoolean::SetBaseValueAtom(const nsAtom* aValue, + SVGElement* aSVGElement) { + bool val = false; + + nsresult rv = GetValueFromAtom(aValue, &val); + if (NS_FAILED(rv)) { + return rv; + } + + // We don't need to call DidChange* here - we're only called by + // SVGElement::ParseAttribute under Element::SetAttr, + // which takes care of notifying. + AutoChangeBooleanNotifier notifier(this, aSVGElement, false); + + mBaseVal = val; + if (!mIsAnimated) { + mAnimVal = mBaseVal; + } + + return NS_OK; +} + +nsAtom* SVGAnimatedBoolean::GetBaseValueAtom() const { + return mBaseVal ? nsGkAtoms::_true : nsGkAtoms::_false; +} + +void SVGAnimatedBoolean::SetBaseValue(bool aValue, SVGElement* aSVGElement) { + if (aValue == mBaseVal) { + return; + } + + AutoChangeBooleanNotifier notifier(this, aSVGElement); + + mBaseVal = aValue; + if (!mIsAnimated) { + mAnimVal = mBaseVal; + } +} + +void SVGAnimatedBoolean::SetAnimValue(bool aValue, SVGElement* aSVGElement) { + if (mIsAnimated && mAnimVal == aValue) { + return; + } + mAnimVal = aValue; + mIsAnimated = true; + aSVGElement->DidAnimateBoolean(mAttrEnum); +} + +already_AddRefed<DOMSVGAnimatedBoolean> +SVGAnimatedBoolean::ToDOMAnimatedBoolean(SVGElement* aSVGElement) { + RefPtr<DOMSVGAnimatedBoolean> domAnimatedBoolean = + SVGAnimatedBooleanTearoffTable().GetTearoff(this); + if (!domAnimatedBoolean) { + domAnimatedBoolean = new DOMSVGAnimatedBoolean(this, aSVGElement); + SVGAnimatedBooleanTearoffTable().AddTearoff(this, domAnimatedBoolean); + } + + return domAnimatedBoolean.forget(); +} + +DOMSVGAnimatedBoolean::~DOMSVGAnimatedBoolean() { + SVGAnimatedBooleanTearoffTable().RemoveTearoff(mVal); +} + +UniquePtr<SMILAttr> SVGAnimatedBoolean::ToSMILAttr(SVGElement* aSVGElement) { + return MakeUnique<SMILBool>(this, aSVGElement); +} + +nsresult SVGAnimatedBoolean::SMILBool::ValueFromString( + const nsAString& aStr, const SVGAnimationElement* /*aSrcElement*/, + SMILValue& aValue, bool& aPreventCachingOfSandwich) const { + bool value; + if (!GetValueFromString(aStr, value)) { + return NS_ERROR_DOM_SYNTAX_ERR; + } + + SMILValue val(SMILBoolType::Singleton()); + val.mU.mBool = value; + aValue = val; + + return NS_OK; +} + +SMILValue SVGAnimatedBoolean::SMILBool::GetBaseValue() const { + SMILValue val(SMILBoolType::Singleton()); + val.mU.mBool = mVal->mBaseVal; + return val; +} + +void SVGAnimatedBoolean::SMILBool::ClearAnimValue() { + if (mVal->mIsAnimated) { + mVal->mIsAnimated = false; + mVal->mAnimVal = mVal->mBaseVal; + mSVGElement->DidAnimateBoolean(mVal->mAttrEnum); + } +} + +nsresult SVGAnimatedBoolean::SMILBool::SetAnimValue(const SMILValue& aValue) { + NS_ASSERTION(aValue.mType == SMILBoolType::Singleton(), + "Unexpected type to assign animated value"); + if (aValue.mType == SMILBoolType::Singleton()) { + mVal->SetAnimValue(uint16_t(aValue.mU.mBool), mSVGElement); + } + return NS_OK; +} + +} // namespace mozilla |