Compositor animations for Independent CSS Transform Properties

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 834 matching lines @@
     const TransformOperations& transform() const { return rareNonInheritedData->m_transform->m_operations; }
     const TransformOrigin& transformOrigin() const { return rareNonInheritedData->m_transform->m_origin; }
     const Length& transformOriginX() const { return transformOrigin().x(); }
     const Length& transformOriginY() const { return transformOrigin().y(); }
     TranslateTransformOperation* translate() const { return rareNonInheritedData->m_transform->m_translate.get(); }
     RotateTransformOperation* rotate() const { return rareNonInheritedData->m_transform->m_rotate.get(); }
     ScaleTransformOperation* scale() const { return rareNonInheritedData->m_transform->m_scale.get(); }
     float transformOriginZ() const { return transformOrigin().z(); }
     bool has3DTransform() const { return rareNonInheritedData->m_transform->has3DTransform(); }
     bool hasTransform() const { return hasTransformOperations() || hasMotionPath() || hasCurrentTransformAnimation() || translate() || rotate() || scale(); }
+    bool hasTransformOperations() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
     bool transformDataEquivalent(const ComputedStyle& otherStyle) const { return rareNonInheritedData->m_transform == otherStyle.rareNonInheritedData->m_transform; }
 
     StyleMotionPath* motionPath() const { return rareNonInheritedData->m_transform->m_motion.m_path.get(); }
     bool hasMotionPath() const { return rareNonInheritedData->m_transform->m_motion.m_path; }
     const Length& motionOffset() const { return rareNonInheritedData->m_transform->m_motion.m_offset; }
     float motionRotation() const { return rareNonInheritedData->m_transform->m_motion.m_rotation; }
     MotionRotationType motionRotationType() const { return rareNonInheritedData->m_transform->m_motion.m_rotationType; }
 
     TextEmphasisFill textEmphasisFill() const { return static_cast<TextEmphasisFill>(rareInheritedData->textEmphasisFill); }
     TextEmphasisMark textEmphasisMark() const;
@@ skipping 786 matching lines @@
     static const AtomicString& initialHyphenationString() { return nullAtom; }
     static const AtomicString& initialLocale() { return nullAtom; }
     static EResize initialResize() { return RESIZE_NONE; }
     static ControlPart initialAppearance() { return NoControlPart; }
     static Order initialRTLOrdering() { return LogicalOrder; }
     static float initialTextStrokeWidth() { return 0; }
     static unsigned short initialColumnCount() { return 1; }
     static ColumnFill initialColumnFill() { return ColumnFillBalance; }
     static ColumnSpan initialColumnSpan() { return ColumnSpanNone; }
     static const TransformOperations& initialTransform() { DEFINE_STATIC_LOCAL(TransformOperations, ops, ()); return ops; }
-    static PassRefPtr<TranslateTransformOperation> initialTranslate() { return nullptr; }
-    static PassRefPtr<RotateTransformOperation> initialRotate() { return nullptr; }
-    static PassRefPtr<ScaleTransformOperation> initialScale() { return nullptr; }
+    static PassRefPtr<TranslateTransformOperation> initialTranslate() { return TranslateTransformOperation::create(Length(0, Fixed), Length(0, Fixed), 0, TransformOperation::Translate3D); }
+    static PassRefPtr<RotateTransformOperation> initialRotate() { return RotateTransformOperation::create(0, 0, 1, 0, TransformOperation::Rotate3D); }
+    static PassRefPtr<ScaleTransformOperation> initialScale() { return ScaleTransformOperation::create(1, 1, 1, TransformOperation::Scale3D); }
     static Length initialTransformOriginX() { return Length(50.0, Percent); }
     static Length initialTransformOriginY() { return Length(50.0, Percent); }
     static float initialTransformOriginZ() { return 0; }
     static TransformOrigin initialTransformOrigin() { return TransformOrigin(Length(50.0, Percent), Length(50.0, Percent), 0); }
     static EPointerEvents initialPointerEvents() { return PE_AUTO; }
     static ETransformStyle3D initialTransformStyle3D() { return TransformStyle3DFlat; }
     static const StyleMotionPath* initialMotionPath() { return nullptr; }
     static Length initialMotionOffset() { return Length(0, Fixed); }
     static float initialMotionRotation() { return 0; }
     static MotionRotationType initialMotionRotationType() { return MotionRotationAuto; }
@@ skipping 136 matching lines @@
 
     StyleColor decorationColorIncludingFallback(bool visitedLink) const;
     Color colorIncludingFallback(int colorProperty, bool visitedLink) const;
 
     Color stopColor() const { return svgStyle().stopColor(); }
     Color floodColor() const { return svgStyle().floodColor(); }
     Color lightingColor() const { return svgStyle().lightingColor(); }
 
     void appendContent(PassOwnPtr<ContentData>);
     void addAppliedTextDecoration(const AppliedTextDecoration&);
-    bool hasTransformOperations() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
     void applyMotionPathTransform(TransformationMatrix&) const;
 
     bool diffNeedsFullLayoutAndPaintInvalidation(const ComputedStyle& other) const;
     bool diffNeedsFullLayout(const ComputedStyle& other) const;
     bool diffNeedsPaintInvalidationLayer(const ComputedStyle& other) const;
     bool diffNeedsPaintInvalidationObject(const ComputedStyle& other) const;
     void updatePropertySpecificDifferences(const ComputedStyle& other, StyleDifference&) const;
 
     bool requireTransformOrigin(ApplyTransformOrigin applyOrigin, ApplyMotionPath) const;
 };
@@ skipping 104 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h