Implementation of CSS3 nav-up/down/left/right properties from CSS3 UI.

Source/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
+ * Copyright (C) 2013 Opera Software ASA. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser 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
  * Lesser General Public License for more details.
@@ skipping 122 matching lines @@
     CSSPropertyListStylePosition,
     CSSPropertyListStyleType,
     CSSPropertyMarginBottom,
     CSSPropertyMarginLeft,
     CSSPropertyMarginRight,
     CSSPropertyMarginTop,
     CSSPropertyMaxHeight,
     CSSPropertyMaxWidth,
     CSSPropertyMinHeight,
     CSSPropertyMinWidth,
+    CSSPropertyNavDown,
+    CSSPropertyNavLeft,
+    CSSPropertyNavRight,
+    CSSPropertyNavUp,
     CSSPropertyMixBlendMode,
     CSSPropertyOpacity,
     CSSPropertyOrphans,
     CSSPropertyOutlineColor,
     CSSPropertyOutlineOffset,
     CSSPropertyOutlineStyle,
     CSSPropertyOutlineWidth,
     CSSPropertyOverflowWrap,
     CSSPropertyOverflowX,
     CSSPropertyOverflowY,
@@ skipping 1255 matching lines @@
 
     RefPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
     for (CounterDirectiveMap::const_iterator it = map->begin(); it != map->end(); ++it) {
         list->append(cssValuePool().createValue(it->key, CSSPrimitiveValue::CSS_STRING));
         short number = propertyID == CSSPropertyCounterIncrement ? it->value.incrementValue() : it->value.resetValue();
         list->append(cssValuePool().createValue((double)number, CSSPrimitiveValue::CSS_NUMBER));
     }
     return list.release();
 }
 
+static PassRefPtr<CSSValue> navDirectionToCSSValue(const StyleNavigationValue& navValue)
+{
+    RefPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
+    list->append(cssValuePool().createValue(navValue.id().string(), CSSPrimitiveValue::CSS_STRING));
+    list->append(cssValuePool().createValue(navValue.target().string(), CSSPrimitiveValue::CSS_STRING));
+
+    return list.release();
+}
+
 static void logUnimplementedPropertyID(CSSPropertyID propertyID)
 {
     DEFINE_STATIC_LOCAL(HashSet<CSSPropertyID>, propertyIDSet, ());
     if (!propertyIDSet.add(propertyID).isNewEntry)
         return;
 
     LOG_ERROR("WebKit does not yet implement getComputedStyle for '%s'.", getPropertyName(propertyID));
 }
 
 static PassRefPtr<CSSValueList> fontFamilyFromStyle(RenderStyle* style)
@@ skipping 623 matching lines @@
             if (marginBottom.isFixed() || !renderer || !renderer->isBox())
                 return zoomAdjustedPixelValueForLength(marginBottom, style.get());
             return zoomAdjustedPixelValue(toRenderBox(renderer)->marginBottom(), style.get());
         }
         case CSSPropertyMarginLeft: {
             Length marginLeft = style->marginLeft();
             if (marginLeft.isFixed() || !renderer || !renderer->isBox())
                 return zoomAdjustedPixelValueForLength(marginLeft, style.get());
             return zoomAdjustedPixelValue(toRenderBox(renderer)->marginLeft(), style.get());
         }
+        case CSSPropertyNavDown:
+            return navDirectionToCSSValue(style->navDown());
+        case CSSPropertyNavLeft:
+            return navDirectionToCSSValue(style->navLeft());
+        case CSSPropertyNavRight:
+            return navDirectionToCSSValue(style->navRight());
+        case CSSPropertyNavUp:
+            return navDirectionToCSSValue(style->navUp());
         case CSSPropertyWebkitMarqueeDirection:
             return cssValuePool().createValue(style->marqueeDirection());
         case CSSPropertyWebkitMarqueeIncrement:
             return cssValuePool().createValue(style->marqueeIncrement());
         case CSSPropertyWebkitMarqueeRepetition:
             if (style->marqueeLoopCount() < 0)
                 return cssValuePool().createIdentifierValue(CSSValueInfinite);
             return cssValuePool().createValue(style->marqueeLoopCount(), CSSPrimitiveValue::CSS_NUMBER);
         case CSSPropertyWebkitMarqueeStyle:
             return cssValuePool().createValue(style->marqueeBehavior());
@@ skipping 991 matching lines @@
     static const CSSPropertyID propertiesAfterSlashSeperator[3] = { CSSPropertyBackgroundSize, CSSPropertyBackgroundOrigin,
                                                                     CSSPropertyBackgroundClip };
 
     RefPtr<CSSValueList> list = CSSValueList::createSlashSeparated();
     list->append(getCSSPropertyValuesForShorthandProperties(StylePropertyShorthand(CSSPropertyBackground, propertiesBeforeSlashSeperator, WTF_ARRAY_LENGTH(propertiesBeforeSlashSeperator))));
     list->append(getCSSPropertyValuesForShorthandProperties(StylePropertyShorthand(CSSPropertyBackground, propertiesAfterSlashSeperator, WTF_ARRAY_LENGTH(propertiesAfterSlashSeperator))));
     return list.release();
 }
 
 } // namespace WebCore