CSS Motion Path: offset-position,offset-path establish stacking context

third_party/WebKit/Source/core/style/ComputedStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 2131 matching lines @@
     FloatRoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect,
         const LayoutRectOutsets insets, bool includeLogicalLeftEdge, bool includeLogicalRightEdge) const;
 
     // Float utility functions.
     bool isFloating() const { return floating() != EFloat::None; }
 
     // Mix-blend-mode utility functions.
     bool hasBlendMode() const { return blendMode() != WebBlendModeNormal; }
 
     // Motion utility functions.
-    bool hasOffsetPath() const { return offsetPath(); }
+    bool hasOffset() const { return (offsetPosition().x() != Length(Auto)) || offsetPath(); }
 
     // Direction utility functions.
     bool isLeftToRightDirection() const { return direction() == LTR; }
 
     // Perspective utility functions.
     bool hasPerspective() const { return m_rareNonInheritedData->m_perspective > 0; }
 
     // Page size utility functions.
     void resetPageSizeType() { SET_VAR(m_rareNonInheritedData, m_pageSizeType, PAGE_SIZE_AUTO); }
 
@@ skipping 87 matching lines @@
     bool isRunningAnimationOnCompositor() const { return isRunningOpacityAnimationOnCompositor() || isRunningTransformAnimationOnCompositor() || isRunningFilterAnimationOnCompositor() || isRunningBackdropFilterAnimationOnCompositor(); }
 
     // Opacity utility functions.
     bool hasOpacity() const { return opacity() < 1.0f; }
 
     // Table layout utility functions.
     bool isFixedTableLayout() const { return tableLayout() == TableLayoutFixed && !logicalWidth().isAuto(); }
 
     // Filter/transform utility functions.
     bool has3DTransform() const { return m_rareNonInheritedData->m_transform->has3DTransform(); }
-    bool hasTransform() const { return hasTransformOperations() || hasOffsetPath() || hasCurrentTransformAnimation() || translate() || rotate() || scale(); }
+    bool hasTransform() const { return hasTransformOperations() || hasOffset() || hasCurrentTransformAnimation() || translate() || rotate() || scale(); }
     bool hasTransformOperations() const { return !m_rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
     ETransformStyle3D usedTransformStyle3D() const { return hasGroupingProperty() ? TransformStyle3DFlat : transformStyle3D(); }
     bool transformDataEquivalent(const ComputedStyle& otherStyle) const { return m_rareNonInheritedData->m_transform == otherStyle.m_rareNonInheritedData->m_transform; }
     bool preserves3D() const { return usedTransformStyle3D() != TransformStyle3DFlat; }
     enum ApplyTransformOrigin { IncludeTransformOrigin, ExcludeTransformOrigin };
     enum ApplyMotionPath { IncludeMotionPath, ExcludeMotionPath };
     enum ApplyIndependentTransformProperties { IncludeIndependentTransformProperties , ExcludeIndependentTransformProperties };
     void applyTransform(TransformationMatrix&, const LayoutSize& borderBoxSize, ApplyTransformOrigin, ApplyMotionPath, ApplyIndependentTransformProperties) const;
     void applyTransform(TransformationMatrix&, const FloatRect& boundingBox, ApplyTransformOrigin, ApplyMotionPath, ApplyIndependentTransformProperties) const;
 
@@ skipping 359 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return m_nonInheritedData.m_pseudoBits & ElementPseudoIdMask;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h