1 files changed, 146 insertions, 0 deletions
diff --git a/dom/svg/nsSVGString.cpp b/dom/svg/nsSVGString.cpp
new file mode 100644
index 000000000..637a03dee
--- /dev/null
+++ b/dom/svg/nsSVGString.cpp
@@ -0,0 +1,146 @@
+/* -*- 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 "nsSVGString.h"
+
+#include "mozilla/Move.h"
+#include "nsSVGAttrTearoffTable.h"
+#include "nsSMILValue.h"
+#include "SMILStringType.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+NS_SVG_VAL_IMPL_CYCLE_COLLECTION_WRAPPERCACHED(nsSVGString::DOMAnimatedString, mSVGElement)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(nsSVGString::DOMAnimatedString)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(nsSVGString::DOMAnimatedString)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsSVGString::DOMAnimatedString)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+static inline
+nsSVGAttrTearoffTable<nsSVGString, nsSVGString::DOMAnimatedString>&
+SVGAnimatedStringTearoffTable()
+{
+  static nsSVGAttrTearoffTable<nsSVGString, nsSVGString::DOMAnimatedString>
+    sSVGAnimatedStringTearoffTable;
+  return sSVGAnimatedStringTearoffTable;
+}
+
+/* Implementation */
+
+void
+nsSVGString::SetBaseValue(const nsAString& aValue,
+                          nsSVGElement *aSVGElement,
+                          bool aDoSetAttr)
+{
+  NS_ASSERTION(aSVGElement, "Null element passed to SetBaseValue");
+
+  mIsBaseSet = true;
+  if (aDoSetAttr) {
+    aSVGElement->SetStringBaseValue(mAttrEnum, aValue);
+  }
+  if (mAnimVal) {
+    aSVGElement->AnimationNeedsResample();
+  }
+
+  aSVGElement->DidChangeString(mAttrEnum);
+}
+
+void
+nsSVGString::GetAnimValue(nsAString& aResult, const nsSVGElement *aSVGElement) const
+{
+  if (mAnimVal) {
+    aResult = *mAnimVal;
+    return;
+  }
+
+  aSVGElement->GetStringBaseValue(mAttrEnum, aResult);
+}
+
+void
+nsSVGString::SetAnimValue(const nsAString& aValue, nsSVGElement *aSVGElement)
+{
+  if (aSVGElement->IsStringAnimatable(mAttrEnum)) {
+    if (mAnimVal && mAnimVal->Equals(aValue)) {
+      return;
+    }
+    if (!mAnimVal) {
+      mAnimVal = new nsString();
+    }
+    *mAnimVal = aValue;
+    aSVGElement->DidAnimateString(mAttrEnum);
+  }
+}
+
+already_AddRefed<SVGAnimatedString>
+nsSVGString::ToDOMAnimatedString(nsSVGElement* aSVGElement)
+{
+  RefPtr<DOMAnimatedString> domAnimatedString =
+    SVGAnimatedStringTearoffTable().GetTearoff(this);
+  if (!domAnimatedString) {
+    domAnimatedString = new DOMAnimatedString(this, aSVGElement);
+    SVGAnimatedStringTearoffTable().AddTearoff(this, domAnimatedString);
+  }
+
+  return domAnimatedString.forget();
+}
+
+nsSVGString::DOMAnimatedString::~DOMAnimatedString()
+{
+  SVGAnimatedStringTearoffTable().RemoveTearoff(mVal);
+}
+
+nsISMILAttr*
+nsSVGString::ToSMILAttr(nsSVGElement *aSVGElement)
+{
+  return new SMILString(this, aSVGElement);
+}
+
+nsresult
+nsSVGString::SMILString::ValueFromString(const nsAString& aStr,
+                                         const dom::SVGAnimationElement* /*aSrcElement*/,
+                                         nsSMILValue& aValue,
+                                         bool& aPreventCachingOfSandwich) const
+{
+  nsSMILValue val(SMILStringType::Singleton());
+
+  *static_cast<nsAString*>(val.mU.mPtr) = aStr;
+  aValue = Move(val);
+  aPreventCachingOfSandwich = false;
+  return NS_OK;
+}
+
+nsSMILValue
+nsSVGString::SMILString::GetBaseValue() const
+{
+  nsSMILValue val(SMILStringType::Singleton());
+  mSVGElement->GetStringBaseValue(mVal->mAttrEnum, *static_cast<nsAString*>(val.mU.mPtr));
+  return val;
+}
+
+void
+nsSVGString::SMILString::ClearAnimValue()
+{
+  if (mVal->mAnimVal) {
+    mVal->mAnimVal = nullptr;
+    mSVGElement->DidAnimateString(mVal->mAttrEnum);
+  }
+}
+
+nsresult
+nsSVGString::SMILString::SetAnimValue(const nsSMILValue& 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;
+}