Change Rect and Quad to be CSSValues

Source/core/css/CSSQuadValue.h

Index: Source/core/css/CSSQuadValue.h
diff --git a/Source/core/css/CSSQuadValue.h b/Source/core/css/CSSQuadValue.h
new file mode 100644
index 0000000000000000000000000000000000000000..df0802df5b105286a2cda53296a834bf26fbcf58
--- /dev/null
+++ b/Source/core/css/CSSQuadValue.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple 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.
+ */
+
+#ifndef CSSQuadValue_h
+#define CSSQuadValue_h
+
+#include "core/CoreExport.h"
+#include "core/css/CSSPrimitiveValue.h"
+#include "core/css/CSSValue.h"
+#include "wtf/RefPtr.h"
+
+namespace blink {
+
+class CORE_EXPORT CSSQuadValue : public CSSValue {
+public:
+    static PassRefPtrWillBeRawPtr<CSSQuadValue> createQuad(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> top, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> right, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> bottom, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> left)

[Timothy Loh, 2015/08/24 03:18:04]

I'd rather an enum for the serialization strategy instead of
createQuad/createRect, since it isn't obvious from the names what the difference
is.

[sashab, 2015/08/24 05:43:58]

Done.

+    {
+        return adoptRefWillBeNoop(new CSSQuadValue(top, right, bottom, left, false));
+    }
+
+    static PassRefPtrWillBeRawPtr<CSSQuadValue> createRect(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> top, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> right, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> bottom, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> left)
+    {
+        return adoptRefWillBeNoop(new CSSQuadValue(top, right, bottom, left, true));
+    }
+
+    CSSPrimitiveValue* top() const { return m_top.get(); }
+    CSSPrimitiveValue* right() const { return m_right.get(); }
+    CSSPrimitiveValue* bottom() const { return m_bottom.get(); }
+    CSSPrimitiveValue* left() const { return m_left.get(); }
+
+    bool isRect() { return m_serializeAsRect; }
+
+    String customCSSText() const
+    {
+        return generateCSSString(top()->cssText(), right()->cssText(), bottom()->cssText(), left()->cssText(), m_serializeAsRect);
+    }
+
+    bool equals(const CSSQuadValue& other) const
+    {
+        return compareCSSValuePtr(m_top, other.m_top)
+            && compareCSSValuePtr(m_right, other.m_right)
+            && compareCSSValuePtr(m_left, other.m_left)
+            && compareCSSValuePtr(m_bottom, other.m_bottom);
+    }
+
+    DECLARE_TRACE_AFTER_DISPATCH();
+
+protected:
+    CSSQuadValue(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> top, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> right, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> bottom, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> left, bool serializeAsRect)
+        : CSSValue(QuadClass)
+        , m_serializeAsRect(serializeAsRect)
+        , m_top(top)
+        , m_right(right)
+        , m_bottom(bottom)
+        , m_left(left) { }
+
+private:
+    bool m_serializeAsRect;
+
+    static String generateCSSString(const String& top, const String& right, const String& bottom, const String& left, bool serializeAsRect);
+
+    RefPtrWillBeMember<CSSPrimitiveValue> m_top;
+    RefPtrWillBeMember<CSSPrimitiveValue> m_right;
+    RefPtrWillBeMember<CSSPrimitiveValue> m_bottom;
+    RefPtrWillBeMember<CSSPrimitiveValue> m_left;
+};
+
+DEFINE_CSS_VALUE_TYPE_CASTS(CSSQuadValue, isQuadValue());
+
+} // namespace blink
+
+#endif // CSSQuadValue_h