Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 241 insertions, 0 deletions

diff --git a/dom/svg/SVGAnimatedNumberPair.cpp b/dom/svg/SVGAnimatedNumberPair.cpp
new file mode 100644
index 0000000000..7bb09a966a
--- /dev/null
+++ b/dom/svg/SVGAnimatedNumberPair.cpp
@@ -0,0 +1,241 @@
+/* -*- 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 "SVGAnimatedNumberPair.h"
+
+#include "nsCharSeparatedTokenizer.h"
+#include "SVGAttrTearoffTable.h"
+#include "SVGNumberPairSMILType.h"
+#include "mozilla/SMILValue.h"
+#include "mozilla/SVGContentUtils.h"
+#include "nsContentUtils.h"
+
+using namespace mozilla::dom;
+
+namespace mozilla {
+
+//----------------------------------------------------------------------
+// Helper class: AutoChangeNumberPairNotifier
+// Stack-based helper class to pair calls to WillChangeNumberPair and
+// DidChangeNumberPair.
+class MOZ_RAII AutoChangeNumberPairNotifier {
+ public:
+  AutoChangeNumberPairNotifier(SVGAnimatedNumberPair* aNumberPair,
+                               SVGElement* aSVGElement, bool aDoSetAttr = true)
+      : mNumberPair(aNumberPair),
+        mSVGElement(aSVGElement),
+        mDoSetAttr(aDoSetAttr) {
+    MOZ_ASSERT(mNumberPair, "Expecting non-null numberPair");
+    MOZ_ASSERT(mSVGElement, "Expecting non-null element");
+
+    if (mDoSetAttr) {
+      mEmptyOrOldValue =
+          mSVGElement->WillChangeNumberPair(mNumberPair->mAttrEnum);
+    }
+  }
+
+  ~AutoChangeNumberPairNotifier() {
+    if (mDoSetAttr) {
+      mSVGElement->DidChangeNumberPair(mNumberPair->mAttrEnum,
+                                       mEmptyOrOldValue);
+    }
+    if (mNumberPair->mIsAnimated) {
+      mSVGElement->AnimationNeedsResample();
+    }
+  }
+
+ private:
+  SVGAnimatedNumberPair* const mNumberPair;
+  SVGElement* const mSVGElement;
+  nsAttrValue mEmptyOrOldValue;
+  bool mDoSetAttr;
+};
+
+static SVGAttrTearoffTable<SVGAnimatedNumberPair,
+                           SVGAnimatedNumberPair::DOMAnimatedNumber>
+    sSVGFirstAnimatedNumberTearoffTable;
+static SVGAttrTearoffTable<SVGAnimatedNumberPair,
+                           SVGAnimatedNumberPair::DOMAnimatedNumber>
+    sSVGSecondAnimatedNumberTearoffTable;
+
+static nsresult ParseNumberOptionalNumber(const nsAString& aValue,
+                                          float aValues[2]) {
+  nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace,
+                                   nsTokenizerFlags::SeparatorOptional>
+      tokenizer(aValue, ',');
+  uint32_t i;
+  for (i = 0; i < 2 && tokenizer.hasMoreTokens(); ++i) {
+    if (!SVGContentUtils::ParseNumber(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 SVGAnimatedNumberPair::SetBaseValueString(
+    const nsAString& aValueAsString, SVGElement* aSVGElement) {
+  float val[2];
+
+  nsresult rv = ParseNumberOptionalNumber(aValueAsString, val);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  // We don't need to call Will/DidChange* here - we're only called by
+  // SVGElement::ParseAttribute under Element::SetAttr,
+  // which takes care of notifying.
+  AutoChangeNumberPairNotifier 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 SVGAnimatedNumberPair::GetBaseValueString(
+    nsAString& aValueAsString) const {
+  aValueAsString.Truncate();
+  aValueAsString.AppendFloat(mBaseVal[0]);
+  if (mBaseVal[0] != mBaseVal[1]) {
+    aValueAsString.AppendLiteral(", ");
+    aValueAsString.AppendFloat(mBaseVal[1]);
+  }
+}
+
+void SVGAnimatedNumberPair::SetBaseValue(float aValue, PairIndex aPairIndex,
+                                         SVGElement* aSVGElement) {
+  uint32_t index = (aPairIndex == eFirst ? 0 : 1);
+  if (mIsBaseSet && mBaseVal[index] == aValue) {
+    return;
+  }
+
+  AutoChangeNumberPairNotifier notifier(this, aSVGElement);
+
+  mBaseVal[index] = aValue;
+  mIsBaseSet = true;
+  if (!mIsAnimated) {
+    mAnimVal[index] = aValue;
+  }
+}
+
+void SVGAnimatedNumberPair::SetBaseValues(float aValue1, float aValue2,
+                                          SVGElement* aSVGElement) {
+  if (mIsBaseSet && mBaseVal[0] == aValue1 && mBaseVal[1] == aValue2) {
+    return;
+  }
+
+  AutoChangeNumberPairNotifier notifier(this, aSVGElement);
+
+  mBaseVal[0] = aValue1;
+  mBaseVal[1] = aValue2;
+  mIsBaseSet = true;
+  if (!mIsAnimated) {
+    mAnimVal[0] = aValue1;
+    mAnimVal[1] = aValue2;
+  }
+}
+
+void SVGAnimatedNumberPair::SetAnimValue(const float 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->DidAnimateNumberPair(mAttrEnum);
+}
+
+already_AddRefed<DOMSVGAnimatedNumber>
+SVGAnimatedNumberPair::ToDOMAnimatedNumber(PairIndex aIndex,
+                                           SVGElement* aSVGElement) {
+  RefPtr<DOMAnimatedNumber> domAnimatedNumber =
+      aIndex == eFirst ? sSVGFirstAnimatedNumberTearoffTable.GetTearoff(this)
+                       : sSVGSecondAnimatedNumberTearoffTable.GetTearoff(this);
+  if (!domAnimatedNumber) {
+    domAnimatedNumber = new DOMAnimatedNumber(this, aIndex, aSVGElement);
+    if (aIndex == eFirst) {
+      sSVGFirstAnimatedNumberTearoffTable.AddTearoff(this, domAnimatedNumber);
+    } else {
+      sSVGSecondAnimatedNumberTearoffTable.AddTearoff(this, domAnimatedNumber);
+    }
+  }
+
+  return domAnimatedNumber.forget();
+}
+
+SVGAnimatedNumberPair::DOMAnimatedNumber::~DOMAnimatedNumber() {
+  if (mIndex == eFirst) {
+    sSVGFirstAnimatedNumberTearoffTable.RemoveTearoff(mVal);
+  } else {
+    sSVGSecondAnimatedNumberTearoffTable.RemoveTearoff(mVal);
+  }
+}
+
+UniquePtr<SMILAttr> SVGAnimatedNumberPair::ToSMILAttr(SVGElement* aSVGElement) {
+  return MakeUnique<SMILNumberPair>(this, aSVGElement);
+}
+
+nsresult SVGAnimatedNumberPair::SMILNumberPair::ValueFromString(
+    const nsAString& aStr, const dom::SVGAnimationElement* /*aSrcElement*/,
+    SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
+  float values[2];
+
+  nsresult rv = ParseNumberOptionalNumber(aStr, values);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  SMILValue val(&SVGNumberPairSMILType::sSingleton);
+  val.mU.mNumberPair[0] = values[0];
+  val.mU.mNumberPair[1] = values[1];
+  aValue = val;
+
+  return NS_OK;
+}
+
+SMILValue SVGAnimatedNumberPair::SMILNumberPair::GetBaseValue() const {
+  SMILValue val(&SVGNumberPairSMILType::sSingleton);
+  val.mU.mNumberPair[0] = mVal->mBaseVal[0];
+  val.mU.mNumberPair[1] = mVal->mBaseVal[1];
+  return val;
+}
+
+void SVGAnimatedNumberPair::SMILNumberPair::ClearAnimValue() {
+  if (mVal->mIsAnimated) {
+    mVal->mIsAnimated = false;
+    mVal->mAnimVal[0] = mVal->mBaseVal[0];
+    mVal->mAnimVal[1] = mVal->mBaseVal[1];
+    mSVGElement->DidAnimateNumberPair(mVal->mAttrEnum);
+  }
+}
+
+nsresult SVGAnimatedNumberPair::SMILNumberPair::SetAnimValue(
+    const SMILValue& aValue) {
+  NS_ASSERTION(aValue.mType == &SVGNumberPairSMILType::sSingleton,
+               "Unexpected type to assign animated value");
+  if (aValue.mType == &SVGNumberPairSMILType::sSingleton) {
+    mVal->SetAnimValue(aValue.mU.mNumberPair, mSVGElement);
+  }
+  return NS_OK;
+}
+
+}  // namespace mozilla