1 files changed, 76 insertions, 0 deletions
diff --git a/dom/svg/nsSVGClass.h b/dom/svg/nsSVGClass.h
new file mode 100644
index 000000000..8f38ba39f
--- /dev/null
+++ b/dom/svg/nsSVGClass.h
@@ -0,0 +1,76 @@
+/* -*- 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/. */
+
+#ifndef __NS_SVGCLASS_H__
+#define __NS_SVGCLASS_H__
+
+#include "nsAutoPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsError.h"
+#include "nsISMILAttr.h"
+#include "nsString.h"
+#include "mozilla/Attributes.h"
+
+class nsSVGElement;
+
+namespace mozilla {
+namespace dom {
+class SVGAnimatedString;
+} // namespace dom
+} // namespace mozilla
+
+class nsSVGClass
+{
+
+public:
+  void Init() {
+    mAnimVal = nullptr;
+  }
+
+  void SetBaseValue(const nsAString& aValue,
+                    nsSVGElement *aSVGElement,
+                    bool aDoSetAttr);
+  void GetBaseValue(nsAString& aValue, const nsSVGElement *aSVGElement) const;
+
+  void SetAnimValue(const nsAString& aValue, nsSVGElement *aSVGElement);
+  void GetAnimValue(nsAString& aValue, const nsSVGElement *aSVGElement) const;
+  bool IsAnimated() const
+    { return !!mAnimVal; }
+
+  already_AddRefed<mozilla::dom::SVGAnimatedString>
+  ToDOMAnimatedString(nsSVGElement* aSVGElement);
+
+  // Returns a new nsISMILAttr object that the caller must delete
+  nsISMILAttr* ToSMILAttr(nsSVGElement *aSVGElement);
+
+private:
+
+  nsAutoPtr<nsString> mAnimVal;
+
+public:
+  struct SMILString : public nsISMILAttr
+  {
+  public:
+    SMILString(nsSVGClass *aVal, nsSVGElement *aSVGElement)
+      : mVal(aVal), mSVGElement(aSVGElement) {}
+
+    // These will stay alive because a nsISMILAttr only lives as long
+    // as the Compositing step, and DOM elements don't get a chance to
+    // die during that.
+    nsSVGClass* mVal;
+    nsSVGElement* mSVGElement;
+
+    // nsISMILAttr methods
+    virtual nsresult ValueFromString(const nsAString& aStr,
+                                     const mozilla::dom::SVGAnimationElement *aSrcElement,
+                                     nsSMILValue& aValue,
+                                     bool& aPreventCachingOfSandwich) const override;
+    virtual nsSMILValue GetBaseValue() const override;
+    virtual void ClearAnimValue() override;
+    virtual nsresult SetAnimValue(const nsSMILValue& aValue) override;
+  };
+};
+#endif //__NS_SVGCLASS_H__