CSS Transforms: Implement perspective

Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
@@ skipping 1411 matching lines @@
         state.style()->setTextStrokeWidth(width);
         return;
     }
     case CSSPropertyWebkitTransform: {
         HANDLE_INHERIT_AND_INITIAL(transform, Transform);
         TransformOperations operations;
         TransformBuilder::createTransformOperations(value, state.cssToLengthConversionData(), operations);
         state.style()->setTransform(operations);
         return;
     }
+    case CSSPropertyPerspective:
     case CSSPropertyWebkitPerspective: {
         HANDLE_INHERIT_AND_INITIAL(perspective, Perspective)
 
         if (!primitiveValue)
             return;
 
         if (primitiveValue->getValueID() == CSSValueNone) {
             state.style()->setPerspective(0);
             return;
         }
 
         float perspectiveValue;
         if (primitiveValue->isLength()) {
             perspectiveValue = primitiveValue->computeLength<float>(state.cssToLengthConversionData());
-        } else if (primitiveValue->isNumber()) {
-            // For backward compatibility, treat valueless numbers as px.
+        } else if (id == CSSPropertyWebkitPerspective && primitiveValue->isNumber()) {
+            // Prefixed version treats unitless numbers as px.
             perspectiveValue = CSSPrimitiveValue::create(primitiveValue->getDoubleValue(), CSSPrimitiveValue::CSS_PX)->computeLength<float>(state.cssToLengthConversionData());
         } else {
             return;
         }
 
         if (perspectiveValue >= 0.0f)
             state.style()->setPerspective(perspectiveValue);
         return;
     }
     case CSSPropertyWebkitTapHighlightColor: {
@@ skipping 276 matching lines @@
         if (Pair* pairValue = primitiveValue->getPairValue()) {
             state.style()->setAlignItems(*pairValue->first());
             state.style()->setAlignItemsOverflowAlignment(*pairValue->second());
         } else {
             state.style()->setAlignItems(*primitiveValue);
         }
         return;
     }
 
     // FIXME: crbug.com/154772 Unimplemented css-transforms properties
-    case CSSPropertyPerspective:
     case CSSPropertyPerspectiveOrigin:
     case CSSPropertyTransform:
     case CSSPropertyTransformOrigin:
         return;
     // These properties are aliased and we already applied the property on the prefixed version.
     case CSSPropertyAnimationDelay:
     case CSSPropertyAnimationDirection:
     case CSSPropertyAnimationDuration:
     case CSSPropertyAnimationFillMode:
     case CSSPropertyAnimationIterationCount:
@@ skipping 430 matching lines @@
         break;
     }
     case CSSPropertyEnableBackground:
         // Silently ignoring this property for now
         // http://bugs.webkit.org/show_bug.cgi?id=6022
         break;
     }
 }
 
 } // namespace WebCore