1 files changed, 76 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/style/StyleCustomPropertyData.h b/Source/WebCore/rendering/style/StyleCustomPropertyData.h
new file mode 100644
index 000000000..88f1831c4
--- /dev/null
+++ b/Source/WebCore/rendering/style/StyleCustomPropertyData.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#pragma once
+
+#include "CSSCustomPropertyValue.h"
+#include <wtf/Forward.h>
+#include <wtf/HashMap.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+#include <wtf/text/AtomicStringHash.h>
+
+namespace WebCore {
+
+class StyleCustomPropertyData : public RefCounted<StyleCustomPropertyData> {
+public:
+    static Ref<StyleCustomPropertyData> create() { return adoptRef(*new StyleCustomPropertyData); }
+    Ref<StyleCustomPropertyData> copy() const { return adoptRef(*new StyleCustomPropertyData(*this)); }
+    
+    bool operator==(const StyleCustomPropertyData& other) const
+    {
+        if (containsVariables != other.containsVariables)
+            return false;
+
+        if (values.size() != other.values.size())
+            return false;
+
+        for (auto& entry : values) {
+            auto otherEntry = other.values.find(entry.key);
+            if (otherEntry == other.values.end() || !entry.value->equals(*otherEntry->value))
+                return false;
+        }
+
+        return true;
+    }
+
+    bool operator!=(const StyleCustomPropertyData& other) const { return !(*this == other); }
+    
+    void setCustomPropertyValue(const AtomicString& name, Ref<CSSCustomPropertyValue>&& value)
+    {
+        if (value->containsVariables())
+            containsVariables = true;
+        values.set(name, WTFMove(value));
+    }
+
+    CustomPropertyValueMap values;
+    bool containsVariables { false };
+
+private:
+    StyleCustomPropertyData() = default;
+    StyleCustomPropertyData(const StyleCustomPropertyData& other)
+        : RefCounted<StyleCustomPropertyData>()
+        , values(other.values)
+        , containsVariables(other.containsVariables)
+    { }
+};
+
+} // namespace WebCore