Add m-esr52 at 52.6.0

1 files changed, 230 insertions, 0 deletions

diff --git a/dom/svg/nsSVGNumberPair.cpp b/dom/svg/nsSVGNumberPair.cpp
new file mode 100644
index 000000000..fd1532546
--- /dev/null
+++ b/dom/svg/nsSVGNumberPair.cpp
@@ -0,0 +1,230 @@
+/* -*- 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 "nsSVGNumberPair.h"
+#include "nsSVGAttrTearoffTable.h"
+#include "nsCharSeparatedTokenizer.h"
+#include "nsSMILValue.h"
+#include "SVGContentUtils.h"
+#include "SVGNumberPairSMILType.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+static nsSVGAttrTearoffTable<nsSVGNumberPair, nsSVGNumberPair::DOMAnimatedNumber>
+  sSVGFirstAnimatedNumberTearoffTable;
+static nsSVGAttrTearoffTable<nsSVGNumberPair, nsSVGNumberPair::DOMAnimatedNumber>
+  sSVGSecondAnimatedNumberTearoffTable;
+
+static nsresult
+ParseNumberOptionalNumber(const nsAString& aValue,
+                          float aValues[2])
+{
+  nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
+    tokenizer(aValue, ',',
+              nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
+  if (tokenizer.whitespaceBeforeFirstToken()) {
+    return NS_ERROR_DOM_SYNTAX_ERR;
+  }
+
+  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.whitespaceAfterCurrentToken() ||  // Trailing whitespace.
+      tokenizer.separatorAfterCurrentToken()) {   // Trailing comma.
+    return NS_ERROR_DOM_SYNTAX_ERR;
+  }
+
+  return NS_OK;
+}
+
+nsresult
+nsSVGNumberPair::SetBaseValueString(const nsAString &aValueAsString,
+                                    nsSVGElement *aSVGElement)
+{
+  float val[2];
+
+  nsresult rv = ParseNumberOptionalNumber(aValueAsString, val);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mBaseVal[0] = val[0];
+  mBaseVal[1] = val[1];
+  mIsBaseSet = true;
+  if (!mIsAnimated) {
+    mAnimVal[0] = mBaseVal[0];
+    mAnimVal[1] = mBaseVal[1];
+  }
+  else {
+    aSVGElement->AnimationNeedsResample();
+  }
+
+  // We don't need to call Will/DidChange* here - we're only called by
+  // nsSVGElement::ParseAttribute under Element::SetAttr,
+  // which takes care of notifying.
+  return NS_OK;
+}
+
+void
+nsSVGNumberPair::GetBaseValueString(nsAString &aValueAsString) const
+{
+  aValueAsString.Truncate();
+  aValueAsString.AppendFloat(mBaseVal[0]);
+  if (mBaseVal[0] != mBaseVal[1]) {
+    aValueAsString.AppendLiteral(", ");
+    aValueAsString.AppendFloat(mBaseVal[1]);
+  }
+}
+
+void
+nsSVGNumberPair::SetBaseValue(float aValue, PairIndex aPairIndex,
+                              nsSVGElement *aSVGElement)
+{
+  uint32_t index = (aPairIndex == eFirst ? 0 : 1);
+  if (mIsBaseSet && mBaseVal[index] == aValue) {
+    return;
+  }
+  nsAttrValue emptyOrOldValue = aSVGElement->WillChangeNumberPair(mAttrEnum);
+  mBaseVal[index] = aValue;
+  mIsBaseSet = true;
+  if (!mIsAnimated) {
+    mAnimVal[index] = aValue;
+  }
+  else {
+    aSVGElement->AnimationNeedsResample();
+  }
+  aSVGElement->DidChangeNumberPair(mAttrEnum, emptyOrOldValue);
+}
+
+void
+nsSVGNumberPair::SetBaseValues(float aValue1, float aValue2,
+                               nsSVGElement *aSVGElement)
+{
+  if (mIsBaseSet && mBaseVal[0] == aValue1 && mBaseVal[1] == aValue2) {
+    return;
+  }
+  nsAttrValue emptyOrOldValue = aSVGElement->WillChangeNumberPair(mAttrEnum);
+  mBaseVal[0] = aValue1;
+  mBaseVal[1] = aValue2;
+  mIsBaseSet = true;
+  if (!mIsAnimated) {
+    mAnimVal[0] = aValue1;
+    mAnimVal[1] = aValue2;
+  }
+  else {
+    aSVGElement->AnimationNeedsResample();
+  }
+  aSVGElement->DidChangeNumberPair(mAttrEnum, emptyOrOldValue);
+}
+
+void
+nsSVGNumberPair::SetAnimValue(const float aValue[2], nsSVGElement *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<SVGAnimatedNumber>
+nsSVGNumberPair::ToDOMAnimatedNumber(PairIndex aIndex,
+                                     nsSVGElement* 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();
+}
+
+nsSVGNumberPair::DOMAnimatedNumber::~DOMAnimatedNumber()
+{
+  if (mIndex == eFirst) {
+    sSVGFirstAnimatedNumberTearoffTable.RemoveTearoff(mVal);
+  } else {
+    sSVGSecondAnimatedNumberTearoffTable.RemoveTearoff(mVal);
+  }
+}
+
+nsISMILAttr*
+nsSVGNumberPair::ToSMILAttr(nsSVGElement *aSVGElement)
+{
+  return new SMILNumberPair(this, aSVGElement);
+}
+
+nsresult
+nsSVGNumberPair::SMILNumberPair::ValueFromString(const nsAString& aStr,
+                                                 const dom::SVGAnimationElement* /*aSrcElement*/,
+                                                 nsSMILValue& aValue,
+                                                 bool& aPreventCachingOfSandwich) const
+{
+  float values[2];
+
+  nsresult rv = ParseNumberOptionalNumber(aStr, values);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  nsSMILValue val(&SVGNumberPairSMILType::sSingleton);
+  val.mU.mNumberPair[0] = values[0];
+  val.mU.mNumberPair[1] = values[1];
+  aValue = val;
+  aPreventCachingOfSandwich = false;
+
+  return NS_OK;
+}
+
+nsSMILValue
+nsSVGNumberPair::SMILNumberPair::GetBaseValue() const
+{
+  nsSMILValue val(&SVGNumberPairSMILType::sSingleton);
+  val.mU.mNumberPair[0] = mVal->mBaseVal[0];
+  val.mU.mNumberPair[1] = mVal->mBaseVal[1];
+  return val;
+}
+
+void
+nsSVGNumberPair::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
+nsSVGNumberPair::SMILNumberPair::SetAnimValue(const nsSMILValue& 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;
+}