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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/svg/SVGAnimatedBoolean.cpp
parentInitial commit. (diff)
downloadfirefox-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.cpp185
1 files changed, 185 insertions, 0 deletions
diff --git a/dom/svg/SVGAnimatedBoolean.cpp b/dom/svg/SVGAnimatedBoolean.cpp
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+/* -*- 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