[Typed-OM] Add CSSTokenStreamValue

third_party/WebKit/Source/core/css/cssom/CSSTokenStreamValue.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CSSTokenStreamValue_h
+#define CSSTokenStreamValue_h
+
+#include "bindings/core/v8/Iterable.h"
+#include "core/css/cssom/CSSStyleValue.h"
+#include "wtf/Vector.h"
+
+namespace blink {
+
+class CORE_EXPORT CSSTokenStreamValue final : public CSSStyleValue, public ValueIterable<String> {
+    WTF_MAKE_NONCOPYABLE(CSSTokenStreamValue);
+    DEFINE_WRAPPERTYPEINFO();
+public:
+    static CSSTokenStreamValue* create(const Vector<String>& fragments)
+    {
+        return new CSSTokenStreamValue(fragments);
+    }
+
+    CSSValue* toCSSValue() const override;
+
+    StyleValueType type() const override { return TokenStreamType; }
+
+    String fragmentAtIndex(int index) const { return m_fragments.at(index); }
+
+    size_t size() const { return m_fragments.size(); }
+
+protected:
+    CSSTokenStreamValue(const Vector<String>& fragments)
+        : CSSStyleValue()
+        , m_fragments(fragments)
+    {
+    }
+
+private:
+    IterationSource* startIteration(ScriptState*, ExceptionState&) override;
+
+    Vector<String> m_fragments;
+};
+
+} // namespace blink
+
+#endif // CSSTokenStreamValue_h