[Typed OM] Implement FilteredComputedStylePropertyMap

third_party/WebKit/Source/core/css/cssom/FilteredComputedStylePropertyMap.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 FilteredComputedStylePropertyMap_h
+#define FilteredComputedStylePropertyMap_h
+
+#include "core/css/CSSPropertyIDTemplates.h"
+#include "core/css/cssom/ComputedStylePropertyMap.h"
+
+namespace blink {
+
+class FilteredComputedStylePropertyMap : public ComputedStylePropertyMap {
+    WTF_MAKE_NONCOPYABLE(FilteredComputedStylePropertyMap);
+public:
+    static FilteredComputedStylePropertyMap* create(CSSComputedStyleDeclaration* computedStyleDeclaration, const Vector<CSSPropertyID>& nativeProperties, const Vector<AtomicString>& customProperties)
+    {
+        return new FilteredComputedStylePropertyMap(computedStyleDeclaration, nativeProperties, customProperties);
+    }
+
+    CSSStyleValue* get(const String& propertyName, ExceptionState&) override;
+    CSSStyleValueVector getAll(const String& propertyName, ExceptionState&) override;
+    bool has(const String& propertyName, ExceptionState&) override;
+
+    Vector<String> getProperties() override;
+
+private:
+    FilteredComputedStylePropertyMap(CSSComputedStyleDeclaration*, const Vector<CSSPropertyID>& nativeProperties, const Vector<AtomicString>& customProperties);
+
+    HashSet<CSSPropertyID> m_nativeProperties;
+    HashSet<AtomicString> m_customProperties;
+};
+
+} // namespace blink
+
+#endif // FilteredComputedStylePropertyMap_h