1 files changed, 96 insertions, 0 deletions
diff --git a/dom/svg/SVGAnimatedClass.cpp b/dom/svg/SVGAnimatedClass.cpp
new file mode 100644
index 0000000000..c621f865b8
--- /dev/null
+++ b/dom/svg/SVGAnimatedClass.cpp
@@ -0,0 +1,96 @@
+/* -*- 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 "SVGAnimatedClass.h"
+
+#include <utility>
+
+#include "DOMSVGAnimatedString.h"
+#include "SMILStringType.h"
+#include "mozilla/SMILValue.h"
+#include "mozilla/dom/SVGElement.h"
+
+namespace mozilla {
+
+void SVGAnimatedClass::SetBaseValue(const nsAString& aValue,
+                                    SVGElement* aSVGElement, bool aDoSetAttr) {
+  NS_ASSERTION(aSVGElement, "Null element passed to SetBaseValue");
+
+  aSVGElement->SetMayHaveClass();
+  if (aDoSetAttr) {
+    aSVGElement->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, aValue, true);
+  }
+  if (mAnimVal) {
+    aSVGElement->AnimationNeedsResample();
+  }
+}
+
+void SVGAnimatedClass::GetBaseValue(nsAString& aValue,
+                                    const SVGElement* aSVGElement) const {
+  aSVGElement->GetAttr(nsGkAtoms::_class, aValue);
+}
+
+void SVGAnimatedClass::GetAnimValue(nsAString& aResult,
+                                    const SVGElement* aSVGElement) const {
+  if (mAnimVal) {
+    aResult = *mAnimVal;
+    return;
+  }
+
+  aSVGElement->GetAttr(nsGkAtoms::_class, aResult);
+}
+
+void SVGAnimatedClass::SetAnimValue(const nsAString& aValue,
+                                    SVGElement* aSVGElement) {
+  if (mAnimVal && mAnimVal->Equals(aValue)) {
+    return;
+  }
+  if (!mAnimVal) {
+    mAnimVal = MakeUnique<nsString>();
+  }
+  *mAnimVal = aValue;
+  aSVGElement->SetMayHaveClass();
+  aSVGElement->DidAnimateClass();
+}
+
+UniquePtr<SMILAttr> SVGAnimatedClass::ToSMILAttr(SVGElement* aSVGElement) {
+  return MakeUnique<SMILString>(this, aSVGElement);
+}
+
+nsresult SVGAnimatedClass::SMILString::ValueFromString(
+    const nsAString& aStr, const dom::SVGAnimationElement* /*aSrcElement*/,
+    SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
+  SMILValue val(SMILStringType::Singleton());
+
+  *static_cast<nsAString*>(val.mU.mPtr) = aStr;
+  aValue = std::move(val);
+  return NS_OK;
+}
+
+SMILValue SVGAnimatedClass::SMILString::GetBaseValue() const {
+  SMILValue val(SMILStringType::Singleton());
+  mSVGElement->GetAttr(nsGkAtoms::_class,
+                       *static_cast<nsAString*>(val.mU.mPtr));
+  return val;
+}
+
+void SVGAnimatedClass::SMILString::ClearAnimValue() {
+  if (mVal->mAnimVal) {
+    mVal->mAnimVal = nullptr;
+    mSVGElement->DidAnimateClass();
+  }
+}
+
+nsresult SVGAnimatedClass::SMILString::SetAnimValue(const SMILValue& aValue) {
+  NS_ASSERTION(aValue.mType == SMILStringType::Singleton(),
+               "Unexpected type to assign animated value");
+  if (aValue.mType == SMILStringType::Singleton()) {
+    mVal->SetAnimValue(*static_cast<nsAString*>(aValue.mU.mPtr), mSVGElement);
+  }
+  return NS_OK;
+}
+
+}  // namespace mozilla