[Alignment] Single class for holding the alignment data.

Source/core/style/ComputedStyle.h

Index: Source/core/style/ComputedStyle.h
diff --git a/Source/core/style/ComputedStyle.h b/Source/core/style/ComputedStyle.h
index db7dca53bae36444aff9bafa21e4a60f80140108..56dacf4f7645b650fb347d5787d9f4acb59cd012 100644
--- a/Source/core/style/ComputedStyle.h
+++ b/Source/core/style/ComputedStyle.h
@@ -40,6 +40,7 @@
 #include "core/style/OutlineValue.h"
 #include "core/style/SVGComputedStyle.h"
 #include "core/style/ShapeValue.h"
+#include "core/style/StyleAlignmentData.h"
 #include "core/style/StyleBackgroundData.h"
 #include "core/style/StyleBoxData.h"
 #include "core/style/StyleDeprecatedFlexibleBoxData.h"
@@ -737,25 +738,31 @@ public:
     float flexGrow() const { return rareNonInheritedData->m_flexibleBox->m_flexGrow; }
     float flexShrink() const { return rareNonInheritedData->m_flexibleBox->m_flexShrink; }
     const Length& flexBasis() const { return rareNonInheritedData->m_flexibleBox->m_flexBasis; }
-    ContentPosition alignContent() const { return static_cast<ContentPosition>(rareNonInheritedData->m_alignContent); }
-    ContentDistributionType alignContentDistribution() const { return static_cast<ContentDistributionType>(rareNonInheritedData->m_alignContentDistribution); }
-    OverflowAlignment alignContentOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignContentOverflowAlignment); }
-    ItemPosition alignItems() const { return static_cast<ItemPosition>(rareNonInheritedData->m_alignItems); }
-    OverflowAlignment alignItemsOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignItemsOverflowAlignment); }
-    ItemPosition alignSelf() const { return static_cast<ItemPosition>(rareNonInheritedData->m_alignSelf); }
-    OverflowAlignment alignSelfOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignSelfOverflowAlignment); }
+    const StyleAlignmentData& alignContent() const { return rareNonInheritedData->m_alignContent; }
+    ContentPosition alignContentPosition() const { return static_cast<ContentPosition>(rareNonInheritedData->m_alignContent.m_contentPosition); }
+    ContentDistributionType alignContentDistribution() const { return static_cast<ContentDistributionType>(rareNonInheritedData->m_alignContent.m_distribution); }
+    OverflowAlignment alignContentOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignContent.m_overflow); }
+    const StyleAlignmentData& alignItems() const { return rareNonInheritedData->m_alignItems; }
+    ItemPosition alignItemsPosition() const { return static_cast<ItemPosition>(rareNonInheritedData->m_alignItems.m_itemPosition); }
+    OverflowAlignment alignItemsOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignItems.m_overflow); }
+    const StyleAlignmentData& alignSelf() const { return rareNonInheritedData->m_alignSelf; }
+    ItemPosition alignSelfPosition() const { return static_cast<ItemPosition>(rareNonInheritedData->m_alignSelf.m_itemPosition); }
+    OverflowAlignment alignSelfOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignSelf.m_overflow); }
     EFlexDirection flexDirection() const { return static_cast<EFlexDirection>(rareNonInheritedData->m_flexibleBox->m_flexDirection); }
     bool isColumnFlexDirection() const { return flexDirection() == FlowColumn || flexDirection() == FlowColumnReverse; }
     bool isReverseFlexDirection() const { return flexDirection() == FlowRowReverse || flexDirection() == FlowColumnReverse; }
     EFlexWrap flexWrap() const { return static_cast<EFlexWrap>(rareNonInheritedData->m_flexibleBox->m_flexWrap); }
-    ContentPosition justifyContent() const { return static_cast<ContentPosition>(rareNonInheritedData->m_justifyContent); }
-    ContentDistributionType justifyContentDistribution() const { return static_cast<ContentDistributionType>(rareNonInheritedData->m_justifyContentDistribution); }
-    OverflowAlignment justifyContentOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifyContentOverflowAlignment); }
-    ItemPosition justifyItems() const { return static_cast<ItemPosition>(rareNonInheritedData->m_justifyItems); }
-    OverflowAlignment justifyItemsOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifyItemsOverflowAlignment); }
-    ItemPositionType justifyItemsPositionType() const { return static_cast<ItemPositionType>(rareNonInheritedData->m_justifyItemsPositionType); }
-    ItemPosition justifySelf() const { return static_cast<ItemPosition>(rareNonInheritedData->m_justifySelf); }
-    OverflowAlignment justifySelfOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifySelfOverflowAlignment); }
+    const StyleAlignmentData& justifyContent() const { return rareNonInheritedData->m_justifyContent; }
+    ContentPosition justifyContentPosition() const { return static_cast<ContentPosition>(rareNonInheritedData->m_justifyContent.m_contentPosition); }
+    ContentDistributionType justifyContentDistribution() const { return static_cast<ContentDistributionType>(rareNonInheritedData->m_justifyContent.m_distribution); }
+    OverflowAlignment justifyContentOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifyContent.m_overflow); }
+    const StyleAlignmentData& justifyItems() const { return rareNonInheritedData->m_justifyItems; }
+    ItemPosition justifyItemsPosition() const { return static_cast<ItemPosition>(rareNonInheritedData->m_justifyItems.m_itemPosition); }
+    OverflowAlignment justifyItemsOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifyItems.m_overflow); }
+    ItemPositionType justifyItemsPositionType() const { return static_cast<ItemPositionType>(rareNonInheritedData->m_justifyItems.m_positionType); }
+    const StyleAlignmentData& justifySelf() const { return rareNonInheritedData->m_justifySelf; }
+    ItemPosition justifySelfPosition() const { return static_cast<ItemPosition>(rareNonInheritedData->m_justifySelf.m_itemPosition); }
+    OverflowAlignment justifySelfOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifySelf.m_overflow); }
 
     const Vector<GridTrackSize>& gridTemplateColumns() const { return rareNonInheritedData->m_grid->m_gridTemplateColumns; }
     const Vector<GridTrackSize>& gridTemplateRows() const { return rareNonInheritedData->m_grid->m_gridTemplateRows; }
@@ -1229,23 +1236,29 @@ public:
     // We restrict the smallest value to int min + 2 because we use int min and int min + 1 as special values in a hash set.
     void setOrder(int o) { SET_VAR(rareNonInheritedData, m_order, max(std::numeric_limits<int>::min() + 2, o)); }
     void addCallbackSelector(const String& selector);
-    void setAlignContent(ContentPosition p) { SET_VAR(rareNonInheritedData, m_alignContent, p); }
-    void setAlignContentDistribution(ContentDistributionType p) { SET_VAR(rareNonInheritedData, m_alignContentDistribution, p); }
-    void setAlignContentOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_alignContentOverflowAlignment, overflowAlignment); }
-    void setAlignItems(ItemPosition a) { SET_VAR(rareNonInheritedData, m_alignItems, a); }
-    void setAlignItemsOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_alignItemsOverflowAlignment, overflowAlignment); }
-    void setAlignSelf(ItemPosition a) { SET_VAR(rareNonInheritedData, m_alignSelf, a); }
-    void setAlignSelfOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_alignSelfOverflowAlignment, overflowAlignment); }
+    void setAlignContent(const StyleAlignmentData& data) { SET_VAR(rareNonInheritedData, m_alignContent, data); }
+    void setAlignContent(ContentPosition position) { SET_VAR(rareNonInheritedData, m_alignContent.m_contentPosition, position); }
+    void setAlignContent(ContentDistributionType distribution) { SET_VAR(rareNonInheritedData, m_alignContent.m_distribution, distribution); }
+    void setAlignContent(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_alignContent.m_overflow, overflowAlignment); }
+    void setAlignItems(const StyleAlignmentData& data) { SET_VAR(rareNonInheritedData, m_alignItems, data); }
+    void setAlignItems(ItemPosition position) { SET_VAR(rareNonInheritedData, m_alignItems.m_itemPosition, position); }
+    void setAlignItems(OverflowAlignment overflow) { SET_VAR(rareNonInheritedData, m_alignItems.m_overflow, overflow); }
+    void setAlignSelf(const StyleAlignmentData& data) { SET_VAR(rareNonInheritedData, m_alignSelf, data); }
+    void setAlignSelf(ItemPosition position) { SET_VAR(rareNonInheritedData, m_alignSelf.m_itemPosition, position); }
+    void setAlignSelf(OverflowAlignment overflow) { SET_VAR(rareNonInheritedData, m_alignSelf.m_overflow, overflow); }
     void setFlexDirection(EFlexDirection direction) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexDirection, direction); }
     void setFlexWrap(EFlexWrap w) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexWrap, w); }
-    void setJustifyContent(ContentPosition p) { SET_VAR(rareNonInheritedData, m_justifyContent, p); }
-    void setJustifyContentDistribution(ContentDistributionType p) { SET_VAR(rareNonInheritedData, m_justifyContentDistribution, p); }
-    void setJustifyContentOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_justifyContentOverflowAlignment, overflowAlignment); }
-    void setJustifyItems(ItemPosition justifyItems) { SET_VAR(rareNonInheritedData, m_justifyItems, justifyItems); }
-    void setJustifyItemsOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_justifyItemsOverflowAlignment, overflowAlignment); }
-    void setJustifyItemsPositionType(ItemPositionType positionType) { SET_VAR(rareNonInheritedData, m_justifyItemsPositionType, positionType); }
-    void setJustifySelf(ItemPosition justifySelf) { SET_VAR(rareNonInheritedData, m_justifySelf, justifySelf); }
-    void setJustifySelfOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_justifySelfOverflowAlignment, overflowAlignment); }
+    void setJustifyContent(const StyleAlignmentData& data) { SET_VAR(rareNonInheritedData, m_justifyContent, data); }
+    void setJustifyContent(ContentPosition position) { SET_VAR(rareNonInheritedData, m_justifyContent.m_contentPosition, position); }
+    void setJustifyContent(ContentDistributionType distribution) { SET_VAR(rareNonInheritedData, m_justifyContent.m_distribution, distribution); }
+    void setJustifyContent(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_justifyContent.m_overflow, overflowAlignment); }
+    void setJustifyItems(const StyleAlignmentData& data) { SET_VAR(rareNonInheritedData, m_justifyItems, data); }
+    void setJustifyItems(ItemPosition position) { SET_VAR(rareNonInheritedData, m_justifyItems.m_itemPosition, position); }
+    void setJustifyItems(OverflowAlignment overflow) { SET_VAR(rareNonInheritedData, m_justifyItems.m_overflow, overflow); }
+    void setJustifyItems(ItemPositionType positionType) { SET_VAR(rareNonInheritedData, m_justifyItems.m_positionType, positionType); }
+    void setJustifySelf(const StyleAlignmentData& data) { SET_VAR(rareNonInheritedData, m_justifySelf, data); }
+    void setJustifySelf(ItemPosition position) { SET_VAR(rareNonInheritedData, m_justifySelf.m_itemPosition, position); }
+    void setJustifySelf(OverflowAlignment overflow) { SET_VAR(rareNonInheritedData, m_justifySelf.m_overflow, overflow); }
     void setGridAutoColumns(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoColumns, length); }
     void setGridAutoRows(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoRows, length); }
     void setGridTemplateColumns(const Vector<GridTrackSize>& lengths) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridTemplateColumns, lengths); }
@@ -1574,23 +1587,14 @@ public:
     static float initialFlexShrink() { return 1; }
     static Length initialFlexBasis() { return Length(Auto); }
     static int initialOrder() { return 0; }
-    static ContentPosition initialAlignContent() { return ContentPositionAuto; }
-    static ContentDistributionType initialAlignContentDistribution() { return ContentDistributionDefault; }
-    static OverflowAlignment initialAlignContentOverflowAlignment() { return OverflowAlignmentDefault; }
-    static ItemPosition initialAlignItems() { return ItemPositionAuto; }
-    static OverflowAlignment initialAlignItemsOverflowAlignment() { return OverflowAlignmentDefault; }
-    static ItemPosition initialAlignSelf() { return ItemPositionAuto; }
-    static OverflowAlignment initialAlignSelfOverflowAlignment() { return OverflowAlignmentDefault; }
+    static StyleAlignmentData initialAlignContent() { return StyleAlignmentData(ContentPositionAuto, ContentDistributionDefault, OverflowAlignmentDefault); }
+    static StyleAlignmentData initialAlignItems() { return StyleAlignmentData(ItemPositionAuto, OverflowAlignmentDefault); }
+    static StyleAlignmentData initialAlignSelf() { return StyleAlignmentData(ItemPositionAuto, OverflowAlignmentDefault); }
     static EFlexDirection initialFlexDirection() { return FlowRow; }
     static EFlexWrap initialFlexWrap() { return FlexNoWrap; }
-    static ContentPosition initialJustifyContent() { return ContentPositionAuto; }
-    static ContentDistributionType initialJustifyContentDistribution() { return ContentDistributionDefault; }
-    static OverflowAlignment initialJustifyContentOverflowAlignment() { return OverflowAlignmentDefault; }
-    static ItemPosition initialJustifyItems() { return ItemPositionAuto; }
-    static OverflowAlignment initialJustifyItemsOverflowAlignment() { return OverflowAlignmentDefault; }
-    static ItemPositionType initialJustifyItemsPositionType() { return NonLegacyPosition; }
-    static ItemPosition initialJustifySelf() { return ItemPositionAuto; }
-    static OverflowAlignment initialJustifySelfOverflowAlignment() { return OverflowAlignmentDefault; }
+    static StyleAlignmentData initialJustifyContent() { return StyleAlignmentData(ContentPositionAuto, ContentDistributionDefault, OverflowAlignmentDefault); }
+    static StyleAlignmentData initialJustifyItems() { return StyleAlignmentData(ItemPositionAuto, OverflowAlignmentDefault); }
+    static StyleAlignmentData initialJustifySelf() { return StyleAlignmentData(ItemPositionAuto, OverflowAlignmentDefault); }
     static EUserModify initialUserModify() { return READ_ONLY; }
     static EUserDrag initialUserDrag() { return DRAG_AUTO; }
     static EUserSelect initialUserSelect() { return SELECT_TEXT; }