1 files changed, 184 insertions, 0 deletions
diff --git a/dom/svg/nsSVGNumber2.cpp b/dom/svg/nsSVGNumber2.cpp
new file mode 100644
index 000000000..ece721ee0
--- /dev/null
+++ b/dom/svg/nsSVGNumber2.cpp
@@ -0,0 +1,184 @@
+/* -*- 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 "nsSVGNumber2.h"
+#include "mozilla/Attributes.h"
+#include "nsContentUtils.h" // NS_ENSURE_FINITE
+#include "nsSMILFloatType.h"
+#include "nsSMILValue.h"
+#include "nsSVGAttrTearoffTable.h"
+#include "SVGContentUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+/* Implementation */
+
+static nsSVGAttrTearoffTable<nsSVGNumber2, nsSVGNumber2::DOMAnimatedNumber>
+  sSVGAnimatedNumberTearoffTable;
+
+static bool
+GetValueFromString(const nsAString& aString,
+                   bool aPercentagesAllowed,
+                   float& aValue)
+{
+  RangedPtr<const char16_t> iter =
+    SVGContentUtils::GetStartRangedPtr(aString);
+  const RangedPtr<const char16_t> end =
+    SVGContentUtils::GetEndRangedPtr(aString);
+
+  if (!SVGContentUtils::ParseNumber(iter, end, aValue)) {
+    return false;
+  }
+
+  if (aPercentagesAllowed) {
+    const nsAString& units = Substring(iter.get(), end.get());
+    if (units.EqualsLiteral("%")) {
+      aValue /= 100;
+      return true;
+    }
+  }
+
+  return iter == end;
+}
+
+nsresult
+nsSVGNumber2::SetBaseValueString(const nsAString &aValueAsString,
+                                 nsSVGElement *aSVGElement)
+{
+  float val;
+
+  if (!GetValueFromString(aValueAsString,
+                          aSVGElement->NumberAttrAllowsPercentage(mAttrEnum),
+                          val)) {
+    return NS_ERROR_DOM_SYNTAX_ERR;
+  }
+
+  mBaseVal = val;
+  mIsBaseSet = true;
+  if (!mIsAnimated) {
+    mAnimVal = mBaseVal;
+  }
+  else {
+    aSVGElement->AnimationNeedsResample();
+  }
+
+  // We don't need to call DidChange* here - we're only called by
+  // nsSVGElement::ParseAttribute under Element::SetAttr,
+  // which takes care of notifying.
+  return NS_OK;
+}
+
+void
+nsSVGNumber2::GetBaseValueString(nsAString & aValueAsString)
+{
+  aValueAsString.Truncate();
+  aValueAsString.AppendFloat(mBaseVal);
+}
+
+void
+nsSVGNumber2::SetBaseValue(float aValue, nsSVGElement *aSVGElement)
+{
+  if (mIsBaseSet && aValue == mBaseVal) {
+    return;
+  }
+
+  mBaseVal = aValue;
+  mIsBaseSet = true;
+  if (!mIsAnimated) {
+    mAnimVal = mBaseVal;
+  }
+  else {
+    aSVGElement->AnimationNeedsResample();
+  }
+  aSVGElement->DidChangeNumber(mAttrEnum);
+}
+
+void
+nsSVGNumber2::SetAnimValue(float aValue, nsSVGElement *aSVGElement)
+{
+  if (mIsAnimated && aValue == mAnimVal) {
+    return;
+  }
+  mAnimVal = aValue;
+  mIsAnimated = true;
+  aSVGElement->DidAnimateNumber(mAttrEnum);
+}
+
+already_AddRefed<SVGAnimatedNumber>
+nsSVGNumber2::ToDOMAnimatedNumber(nsSVGElement* aSVGElement)
+{
+  RefPtr<DOMAnimatedNumber> domAnimatedNumber =
+    sSVGAnimatedNumberTearoffTable.GetTearoff(this);
+  if (!domAnimatedNumber) {
+    domAnimatedNumber = new DOMAnimatedNumber(this, aSVGElement);
+    sSVGAnimatedNumberTearoffTable.AddTearoff(this, domAnimatedNumber);
+  }
+
+  return domAnimatedNumber.forget();
+}
+
+nsSVGNumber2::DOMAnimatedNumber::~DOMAnimatedNumber()
+{
+  sSVGAnimatedNumberTearoffTable.RemoveTearoff(mVal);
+}
+
+nsISMILAttr*
+nsSVGNumber2::ToSMILAttr(nsSVGElement *aSVGElement)
+{
+  return new SMILNumber(this, aSVGElement);
+}
+
+nsresult
+nsSVGNumber2::SMILNumber::ValueFromString(const nsAString& aStr,
+                                          const mozilla::dom::SVGAnimationElement* /*aSrcElement*/,
+                                          nsSMILValue& aValue,
+                                          bool& aPreventCachingOfSandwich) const
+{
+  float value;
+
+  if (!GetValueFromString(aStr,
+                          mSVGElement->NumberAttrAllowsPercentage(mVal->mAttrEnum),
+                          value)) {
+    return NS_ERROR_DOM_SYNTAX_ERR;
+  }
+
+  nsSMILValue val(nsSMILFloatType::Singleton());
+  val.mU.mDouble = value;
+  aValue = val;
+  aPreventCachingOfSandwich = false;
+
+  return NS_OK;
+}
+
+nsSMILValue
+nsSVGNumber2::SMILNumber::GetBaseValue() const
+{
+  nsSMILValue val(nsSMILFloatType::Singleton());
+  val.mU.mDouble = mVal->mBaseVal;
+  return val;
+}
+
+void
+nsSVGNumber2::SMILNumber::ClearAnimValue()
+{
+  if (mVal->mIsAnimated) {
+    mVal->mIsAnimated = false;
+    mVal->mAnimVal = mVal->mBaseVal;
+    mSVGElement->DidAnimateNumber(mVal->mAttrEnum);
+  }
+}
+
+nsresult
+nsSVGNumber2::SMILNumber::SetAnimValue(const nsSMILValue& aValue)
+{
+  NS_ASSERTION(aValue.mType == nsSMILFloatType::Singleton(),
+               "Unexpected type to assign animated value");
+  if (aValue.mType == nsSMILFloatType::Singleton()) {
+    mVal->SetAnimValue(float(aValue.mU.mDouble), mSVGElement);
+  }
+  return NS_OK;
+}