[Alignment] Single class for holding the alignment data.

Source/core/style/StyleAlignmentData.h

Index: Source/core/style/StyleAlignmentData.h
diff --git a/Source/core/style/StyleAlignmentData.h b/Source/core/style/StyleAlignmentData.h
new file mode 100644
index 0000000000000000000000000000000000000000..471d5b7bccf134fc7c3430eb73231e30dd1e9e4f
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+++ b/Source/core/style/StyleAlignmentData.h
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+// Copyright (c) 2014 The Chromium Authors. All rights reserved.

[Timothy Loh, 2015/04/10 05:42:44]

2015

[jfernandez, 2015/04/10 23:34:33]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef StyleAlignmentData_h
+#define StyleAlignmentData_h
+
+#include "core/style/ComputedStyleConstants.h"
+
+namespace blink {
+
+class StyleAlignmentData {
+public:
+    // Style data for Self-Aligment and Default-Alignment properties: align-{self, items}, justify-{self, items}.
+    // [ <self-position> && <overflow-position>? ] | [ legacy && [ left | right | center ] ]
+    StyleAlignmentData(ItemPosition, OverflowAlignment, ItemPositionType = NonLegacyPosition);
+    // Style data for Content-Distribution properties: align-content, justify-content.
+    // <content-distribution> || [ <overflow-position>? && <content-position> ]
+    StyleAlignmentData(ContentPosition, ContentDistributionType, OverflowAlignment);
+    // Constructor for Alignment style data copy.
+    StyleAlignmentData(const StyleAlignmentData&);
+
+    bool operator==(const StyleAlignmentData& o) const
+    {
+        return m_itemPosition == o.m_itemPosition && m_contentPosition == o.m_contentPosition && m_distribution == o.m_distribution && m_positionType == o.m_positionType && m_overflow == o.m_overflow;
+    }
+
+    bool operator!=(const StyleAlignmentData& o) const
+    {
+        return !(*this == o);
+    }
+
+    ItemPosition m_itemPosition;

[Timothy Loh, 2015/04/10 05:42:44]

Pretty sure you still need to specify these as bitfields otherwise they'll get
packed really badly.

[jfernandez, 2015/04/10 23:34:33]

Done.

+    ContentPosition m_contentPosition;
+    ContentDistributionType m_distribution;
+    ItemPositionType m_positionType;
+    OverflowAlignment m_overflow;
+};
+
+} // namespace blink
+
+#endif // StyleAlignmentData_h