1 files changed, 39 insertions, 0 deletions
diff --git a/layout/style/nsDOMCSSValueList.h b/layout/style/nsDOMCSSValueList.h
new file mode 100644
index 0000000000..ecab14e225
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+++ b/layout/style/nsDOMCSSValueList.h
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+/* -*- 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/. */
+
+/* DOM object representing lists of values in DOM computed style */
+
+#ifndef nsDOMCSSValueList_h___
+#define nsDOMCSSValueList_h___
+
+#include "CSSValue.h"
+#include "nsTArray.h"
+
+class nsDOMCSSValueList final : public mozilla::dom::CSSValue {
+ public:
+  // nsDOMCSSValueList
+  explicit nsDOMCSSValueList(bool aCommaDelimited);
+
+  /**
+   * Adds a value to this list.
+   */
+  void AppendCSSValue(already_AddRefed<CSSValue> aValue);
+
+  uint16_t CssValueType() const final { return CSS_VALUE_LIST; }
+
+  uint32_t Length() const { return mCSSValues.Length(); }
+  void GetCssText(nsAString&) final;
+
+ protected:
+  virtual ~nsDOMCSSValueList();
+
+  bool mCommaDelimited;  // some value lists use a comma as the delimiter, some
+                         // just use spaces.
+
+  nsTArray<RefPtr<CSSValue>> mCSSValues;
+};
+
+#endif /* nsDOMCSSValueList_h___ */