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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /dom/svg/SVGAnimatedIntegerPair.cpp
parentInitial commit. (diff)
downloadthunderbird-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/SVGAnimatedIntegerPair.cpp')
-rw-r--r--dom/svg/SVGAnimatedIntegerPair.cpp249
1 files changed, 249 insertions, 0 deletions
diff --git a/dom/svg/SVGAnimatedIntegerPair.cpp b/dom/svg/SVGAnimatedIntegerPair.cpp
new file mode 100644
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+++ b/dom/svg/SVGAnimatedIntegerPair.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 "SVGAnimatedIntegerPair.h"
+
+#include "nsCharSeparatedTokenizer.h"
+#include "nsError.h"
+#include "nsMathUtils.h"
+#include "SVGAttrTearoffTable.h"
+#include "SVGIntegerPairSMILType.h"
+#include "mozAutoDocUpdate.h"
+#include "mozilla/SMILValue.h"
+#include "mozilla/SVGContentUtils.h"
+
+using namespace mozilla::dom;
+
+namespace mozilla {
+
+//----------------------------------------------------------------------
+// Helper class: AutoChangeIntegerPairNotifier
+// Stack-based helper class to pair calls to WillChangeIntegerPair and
+// DidChangeIntegerPair.
+class MOZ_RAII AutoChangeIntegerPairNotifier {
+ public:
+ AutoChangeIntegerPairNotifier(SVGAnimatedIntegerPair* aIntegerPair,
+ SVGElement* aSVGElement, bool aDoSetAttr = true)
+ : mIntegerPair(aIntegerPair),
+ mSVGElement(aSVGElement),
+ mDoSetAttr(aDoSetAttr) {
+ MOZ_ASSERT(mIntegerPair, "Expecting non-null integerPair");
+ MOZ_ASSERT(mSVGElement, "Expecting non-null element");
+
+ if (mDoSetAttr) {
+ mUpdateBatch.emplace(aSVGElement->GetComposedDoc(), true);
+ mEmptyOrOldValue = mSVGElement->WillChangeIntegerPair(
+ mIntegerPair->mAttrEnum, mUpdateBatch.ref());
+ }
+ }
+
+ ~AutoChangeIntegerPairNotifier() {
+ if (mDoSetAttr) {
+ mSVGElement->DidChangeIntegerPair(mIntegerPair->mAttrEnum,
+ mEmptyOrOldValue, mUpdateBatch.ref());
+ }
+ if (mIntegerPair->mIsAnimated) {
+ mSVGElement->AnimationNeedsResample();
+ }
+ }
+
+ private:
+ SVGAnimatedIntegerPair* const mIntegerPair;
+ SVGElement* const mSVGElement;
+ Maybe<mozAutoDocUpdate> mUpdateBatch;
+ nsAttrValue mEmptyOrOldValue;
+ bool mDoSetAttr;
+};
+
+static SVGAttrTearoffTable<SVGAnimatedIntegerPair,
+ SVGAnimatedIntegerPair::DOMAnimatedInteger>
+ sSVGFirstAnimatedIntegerTearoffTable;
+static SVGAttrTearoffTable<SVGAnimatedIntegerPair,
+ SVGAnimatedIntegerPair::DOMAnimatedInteger>
+ sSVGSecondAnimatedIntegerTearoffTable;
+
+/* Implementation */
+
+static nsresult ParseIntegerOptionalInteger(const nsAString& aValue,
+ int32_t aValues[2]) {
+ nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace,
+ nsTokenizerFlags::SeparatorOptional>
+ tokenizer(aValue, ',');
+ uint32_t i;
+ for (i = 0; i < 2 && tokenizer.hasMoreTokens(); ++i) {
+ if (!SVGContentUtils::ParseInteger(tokenizer.nextToken(), aValues[i])) {
+ return NS_ERROR_DOM_SYNTAX_ERR;
+ }
+ }
+ if (i == 1) {
+ aValues[1] = aValues[0];
+ }
+
+ if (i == 0 || // Too few values.
+ tokenizer.hasMoreTokens() || // Too many values.
+ tokenizer.separatorAfterCurrentToken()) { // Trailing comma.
+ return NS_ERROR_DOM_SYNTAX_ERR;
+ }
+
+ return NS_OK;
+}
+
+nsresult SVGAnimatedIntegerPair::SetBaseValueString(
+ const nsAString& aValueAsString, SVGElement* aSVGElement) {
+ int32_t val[2];
+
+ nsresult rv = ParseIntegerOptionalInteger(aValueAsString, 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.
+ AutoChangeIntegerPairNotifier notifier(this, aSVGElement, false);
+
+ mBaseVal[0] = val[0];
+ mBaseVal[1] = val[1];
+ mIsBaseSet = true;
+ if (!mIsAnimated) {
+ mAnimVal[0] = mBaseVal[0];
+ mAnimVal[1] = mBaseVal[1];
+ }
+ return NS_OK;
+}
+
+void SVGAnimatedIntegerPair::GetBaseValueString(
+ nsAString& aValueAsString) const {
+ aValueAsString.Truncate();
+ aValueAsString.AppendInt(mBaseVal[0]);
+ if (mBaseVal[0] != mBaseVal[1]) {
+ aValueAsString.AppendLiteral(", ");
+ aValueAsString.AppendInt(mBaseVal[1]);
+ }
+}
+
+void SVGAnimatedIntegerPair::SetBaseValue(int32_t aValue, PairIndex aPairIndex,
+ SVGElement* aSVGElement) {
+ uint32_t index = (aPairIndex == eFirst ? 0 : 1);
+ if (mIsBaseSet && mBaseVal[index] == aValue) {
+ return;
+ }
+
+ AutoChangeIntegerPairNotifier notifier(this, aSVGElement);
+
+ mBaseVal[index] = aValue;
+ mIsBaseSet = true;
+ if (!mIsAnimated) {
+ mAnimVal[index] = aValue;
+ }
+}
+
+void SVGAnimatedIntegerPair::SetBaseValues(int32_t aValue1, int32_t aValue2,
+ SVGElement* aSVGElement) {
+ if (mIsBaseSet && mBaseVal[0] == aValue1 && mBaseVal[1] == aValue2) {
+ return;
+ }
+
+ AutoChangeIntegerPairNotifier notifier(this, aSVGElement);
+
+ mBaseVal[0] = aValue1;
+ mBaseVal[1] = aValue2;
+ mIsBaseSet = true;
+ if (!mIsAnimated) {
+ mAnimVal[0] = aValue1;
+ mAnimVal[1] = aValue2;
+ }
+}
+
+void SVGAnimatedIntegerPair::SetAnimValue(const int32_t aValue[2],
+ SVGElement* aSVGElement) {
+ if (mIsAnimated && mAnimVal[0] == aValue[0] && mAnimVal[1] == aValue[1]) {
+ return;
+ }
+ mAnimVal[0] = aValue[0];
+ mAnimVal[1] = aValue[1];
+ mIsAnimated = true;
+ aSVGElement->DidAnimateIntegerPair(mAttrEnum);
+}
+
+already_AddRefed<DOMSVGAnimatedInteger>
+SVGAnimatedIntegerPair::ToDOMAnimatedInteger(PairIndex aIndex,
+ SVGElement* aSVGElement) {
+ RefPtr<DOMAnimatedInteger> domAnimatedInteger =
+ aIndex == eFirst ? sSVGFirstAnimatedIntegerTearoffTable.GetTearoff(this)
+ : sSVGSecondAnimatedIntegerTearoffTable.GetTearoff(this);
+ if (!domAnimatedInteger) {
+ domAnimatedInteger = new DOMAnimatedInteger(this, aIndex, aSVGElement);
+ if (aIndex == eFirst) {
+ sSVGFirstAnimatedIntegerTearoffTable.AddTearoff(this, domAnimatedInteger);
+ } else {
+ sSVGSecondAnimatedIntegerTearoffTable.AddTearoff(this,
+ domAnimatedInteger);
+ }
+ }
+
+ return domAnimatedInteger.forget();
+}
+
+SVGAnimatedIntegerPair::DOMAnimatedInteger::~DOMAnimatedInteger() {
+ if (mIndex == eFirst) {
+ sSVGFirstAnimatedIntegerTearoffTable.RemoveTearoff(mVal);
+ } else {
+ sSVGSecondAnimatedIntegerTearoffTable.RemoveTearoff(mVal);
+ }
+}
+
+UniquePtr<SMILAttr> SVGAnimatedIntegerPair::ToSMILAttr(
+ SVGElement* aSVGElement) {
+ return MakeUnique<SMILIntegerPair>(this, aSVGElement);
+}
+
+nsresult SVGAnimatedIntegerPair::SMILIntegerPair::ValueFromString(
+ const nsAString& aStr, const dom::SVGAnimationElement* /*aSrcElement*/,
+ SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
+ int32_t values[2];
+
+ nsresult rv = ParseIntegerOptionalInteger(aStr, values);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ SMILValue val(SVGIntegerPairSMILType::Singleton());
+ val.mU.mIntPair[0] = values[0];
+ val.mU.mIntPair[1] = values[1];
+ aValue = val;
+
+ return NS_OK;
+}
+
+SMILValue SVGAnimatedIntegerPair::SMILIntegerPair::GetBaseValue() const {
+ SMILValue val(SVGIntegerPairSMILType::Singleton());
+ val.mU.mIntPair[0] = mVal->mBaseVal[0];
+ val.mU.mIntPair[1] = mVal->mBaseVal[1];
+ return val;
+}
+
+void SVGAnimatedIntegerPair::SMILIntegerPair::ClearAnimValue() {
+ if (mVal->mIsAnimated) {
+ mVal->mIsAnimated = false;
+ mVal->mAnimVal[0] = mVal->mBaseVal[0];
+ mVal->mAnimVal[1] = mVal->mBaseVal[1];
+ mSVGElement->DidAnimateIntegerPair(mVal->mAttrEnum);
+ }
+}
+
+nsresult SVGAnimatedIntegerPair::SMILIntegerPair::SetAnimValue(
+ const SMILValue& aValue) {
+ NS_ASSERTION(aValue.mType == SVGIntegerPairSMILType::Singleton(),
+ "Unexpected type to assign animated value");
+ if (aValue.mType == SVGIntegerPairSMILType::Singleton()) {
+ mVal->SetAnimValue(aValue.mU.mIntPair, mSVGElement);
+ }
+ return NS_OK;
+}
+
+} // namespace mozilla