Bug 832154: Move SVGMarkerElement to mozilla::dom r=bz,longsonr

--HG--
rename : content/svg/content/src/nsSVGMarkerElement.cpp => content/svg/content/src/SVGMarkerElement.cpp
rename : content/svg/content/src/nsSVGMarkerElement.h => content/svg/content/src/SVGMarkerElement.h
This commit is contained in:
David Zbarsky 2013-01-29 17:11:44 -05:00
parent e413b171e1
commit eef6edd635
6 changed files with 97 additions and 83 deletions

View File

@ -49,7 +49,6 @@ CPPSRCS = \
nsSVGInteger.cpp \
nsSVGIntegerPair.cpp \
nsSVGLength2.cpp \
nsSVGMarkerElement.cpp \
nsSVGNumber2.cpp \
nsSVGNumberPair.cpp \
nsSVGPathDataParser.cpp \
@ -94,6 +93,7 @@ CPPSRCS = \
SVGLengthListSMILType.cpp \
SVGLineElement.cpp \
SVGLocatableElement.cpp \
SVGMarkerElement.cpp \
SVGMaskElement.cpp \
SVGMatrix.cpp \
SVGMetadataElement.cpp \
@ -177,6 +177,7 @@ EXPORTS_mozilla/dom = \
SVGImageElement.h \
SVGLineElement.h \
SVGLocatableElement.h \
SVGMarkerElement.h \
SVGMaskElement.h \
SVGMatrix.h \
SVGMetadataElement.h \

View File

@ -9,16 +9,20 @@
#include "nsCOMPtr.h"
#include "SVGAnimatedPreserveAspectRatio.h"
#include "nsError.h"
#include "nsSVGMarkerElement.h"
#include "mozilla/dom/SVGMarkerElement.h"
#include "gfxMatrix.h"
#include "nsContentUtils.h" // NS_ENSURE_FINITE
#include "SVGContentUtils.h"
#include "SVGAngle.h"
using namespace mozilla;
using namespace mozilla::dom;
NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(Marker)
nsSVGElement::LengthInfo nsSVGMarkerElement::sLengthInfo[4] =
DOMCI_NODE_DATA(SVGMarkerElement, mozilla::dom::SVGMarkerElement)
namespace mozilla {
namespace dom {
nsSVGElement::LengthInfo SVGMarkerElement::sLengthInfo[4] =
{
{ &nsGkAtoms::refX, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
{ &nsGkAtoms::refY, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
@ -26,13 +30,13 @@ nsSVGElement::LengthInfo nsSVGMarkerElement::sLengthInfo[4] =
{ &nsGkAtoms::markerHeight, 3, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
};
nsSVGEnumMapping nsSVGMarkerElement::sUnitsMap[] = {
nsSVGEnumMapping SVGMarkerElement::sUnitsMap[] = {
{&nsGkAtoms::strokeWidth, nsIDOMSVGMarkerElement::SVG_MARKERUNITS_STROKEWIDTH},
{&nsGkAtoms::userSpaceOnUse, nsIDOMSVGMarkerElement::SVG_MARKERUNITS_USERSPACEONUSE},
{nullptr, 0}
};
nsSVGElement::EnumInfo nsSVGMarkerElement::sEnumInfo[1] =
nsSVGElement::EnumInfo SVGMarkerElement::sEnumInfo[1] =
{
{ &nsGkAtoms::markerUnits,
sUnitsMap,
@ -40,13 +44,11 @@ nsSVGElement::EnumInfo nsSVGMarkerElement::sEnumInfo[1] =
}
};
nsSVGElement::AngleInfo nsSVGMarkerElement::sAngleInfo[1] =
nsSVGElement::AngleInfo SVGMarkerElement::sAngleInfo[1] =
{
{ &nsGkAtoms::orient, 0, SVG_ANGLETYPE_UNSPECIFIED }
};
NS_IMPL_NS_NEW_SVG_ELEMENT(Marker)
//----------------------------------------------------------------------
// nsISupports methods
@ -61,17 +63,15 @@ NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsSVGOrientType::DOMAnimatedEnum)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGAnimatedEnumeration)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF_INHERITED(nsSVGMarkerElement,nsSVGMarkerElementBase)
NS_IMPL_RELEASE_INHERITED(nsSVGMarkerElement,nsSVGMarkerElementBase)
NS_IMPL_ADDREF_INHERITED(SVGMarkerElement,SVGMarkerElementBase)
NS_IMPL_RELEASE_INHERITED(SVGMarkerElement,SVGMarkerElementBase)
DOMCI_NODE_DATA(SVGMarkerElement, nsSVGMarkerElement)
NS_INTERFACE_TABLE_HEAD(nsSVGMarkerElement)
NS_NODE_INTERFACE_TABLE5(nsSVGMarkerElement, nsIDOMNode, nsIDOMElement,
NS_INTERFACE_TABLE_HEAD(SVGMarkerElement)
NS_NODE_INTERFACE_TABLE5(SVGMarkerElement, nsIDOMNode, nsIDOMElement,
nsIDOMSVGElement, nsIDOMSVGFitToViewBox,
nsIDOMSVGMarkerElement)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGMarkerElement)
NS_INTERFACE_MAP_END_INHERITING(nsSVGMarkerElementBase)
NS_INTERFACE_MAP_END_INHERITING(SVGMarkerElementBase)
//----------------------------------------------------------------------
// Implementation
@ -105,28 +105,28 @@ nsSVGOrientType::ToDOMAnimatedEnum(nsIDOMSVGAnimatedEnumeration **aResult,
return NS_OK;
}
nsSVGMarkerElement::nsSVGMarkerElement(already_AddRefed<nsINodeInfo> aNodeInfo)
: nsSVGMarkerElementBase(aNodeInfo), mCoordCtx(nullptr)
SVGMarkerElement::SVGMarkerElement(already_AddRefed<nsINodeInfo> aNodeInfo)
: SVGMarkerElementBase(aNodeInfo), mCoordCtx(nullptr)
{
}
//----------------------------------------------------------------------
// nsIDOMNode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(nsSVGMarkerElement)
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGMarkerElement)
//----------------------------------------------------------------------
// nsIDOMSVGFitToViewBox methods
/* readonly attribute nsIDOMSVGAnimatedRect viewBox; */
NS_IMETHODIMP nsSVGMarkerElement::GetViewBox(nsIDOMSVGAnimatedRect * *aViewBox)
NS_IMETHODIMP SVGMarkerElement::GetViewBox(nsIDOMSVGAnimatedRect * *aViewBox)
{
return mViewBox.ToDOMAnimatedRect(aViewBox, this);
}
/* readonly attribute SVGPreserveAspectRatio preserveAspectRatio; */
NS_IMETHODIMP
nsSVGMarkerElement::GetPreserveAspectRatio(nsISupports
SVGMarkerElement::GetPreserveAspectRatio(nsISupports
**aPreserveAspectRatio)
{
nsRefPtr<DOMSVGAnimatedPreserveAspectRatio> ratio;
@ -139,49 +139,49 @@ nsSVGMarkerElement::GetPreserveAspectRatio(nsISupports
// nsIDOMSVGMarkerElement methods
/* readonly attribute nsIDOMSVGAnimatedLength refX; */
NS_IMETHODIMP nsSVGMarkerElement::GetRefX(nsIDOMSVGAnimatedLength * *aRefX)
NS_IMETHODIMP SVGMarkerElement::GetRefX(nsIDOMSVGAnimatedLength * *aRefX)
{
return mLengthAttributes[REFX].ToDOMAnimatedLength(aRefX, this);
}
/* readonly attribute nsIDOMSVGAnimatedLength refY; */
NS_IMETHODIMP nsSVGMarkerElement::GetRefY(nsIDOMSVGAnimatedLength * *aRefY)
NS_IMETHODIMP SVGMarkerElement::GetRefY(nsIDOMSVGAnimatedLength * *aRefY)
{
return mLengthAttributes[REFY].ToDOMAnimatedLength(aRefY, this);
}
/* readonly attribute nsIDOMSVGAnimatedEnumeration markerUnits; */
NS_IMETHODIMP nsSVGMarkerElement::GetMarkerUnits(nsIDOMSVGAnimatedEnumeration * *aMarkerUnits)
NS_IMETHODIMP SVGMarkerElement::GetMarkerUnits(nsIDOMSVGAnimatedEnumeration * *aMarkerUnits)
{
return mEnumAttributes[MARKERUNITS].ToDOMAnimatedEnum(aMarkerUnits, this);
}
/* readonly attribute nsIDOMSVGAnimatedLength markerWidth; */
NS_IMETHODIMP nsSVGMarkerElement::GetMarkerWidth(nsIDOMSVGAnimatedLength * *aMarkerWidth)
NS_IMETHODIMP SVGMarkerElement::GetMarkerWidth(nsIDOMSVGAnimatedLength * *aMarkerWidth)
{
return mLengthAttributes[MARKERWIDTH].ToDOMAnimatedLength(aMarkerWidth, this);
}
/* readonly attribute nsIDOMSVGAnimatedLength markerHeight; */
NS_IMETHODIMP nsSVGMarkerElement::GetMarkerHeight(nsIDOMSVGAnimatedLength * *aMarkerHeight)
NS_IMETHODIMP SVGMarkerElement::GetMarkerHeight(nsIDOMSVGAnimatedLength * *aMarkerHeight)
{
return mLengthAttributes[MARKERHEIGHT].ToDOMAnimatedLength(aMarkerHeight, this);
}
/* readonly attribute nsIDOMSVGAnimatedEnumeration orientType; */
NS_IMETHODIMP nsSVGMarkerElement::GetOrientType(nsIDOMSVGAnimatedEnumeration * *aOrientType)
NS_IMETHODIMP SVGMarkerElement::GetOrientType(nsIDOMSVGAnimatedEnumeration * *aOrientType)
{
return mOrientType.ToDOMAnimatedEnum(aOrientType, this);
}
/* readonly attribute SVGAnimatedAngle orientAngle; */
NS_IMETHODIMP nsSVGMarkerElement::GetOrientAngle(nsISupports * *aOrientAngle)
NS_IMETHODIMP SVGMarkerElement::GetOrientAngle(nsISupports * *aOrientAngle)
{
return mAngleAttributes[ORIENT].ToDOMAnimatedAngle(aOrientAngle, this);
}
/* void setOrientToAuto (); */
NS_IMETHODIMP nsSVGMarkerElement::SetOrientToAuto()
NS_IMETHODIMP SVGMarkerElement::SetOrientToAuto()
{
SetAttr(kNameSpaceID_None, nsGkAtoms::orient, nullptr,
NS_LITERAL_STRING("auto"), true);
@ -189,7 +189,7 @@ NS_IMETHODIMP nsSVGMarkerElement::SetOrientToAuto()
}
/* void setOrientToAngle (in SVGAngle angle); */
NS_IMETHODIMP nsSVGMarkerElement::SetOrientToAngle(nsISupports *aAngle)
NS_IMETHODIMP SVGMarkerElement::SetOrientToAngle(nsISupports *aAngle)
{
nsCOMPtr<dom::SVGAngle> angle = do_QueryInterface(aAngle);
if (!angle)
@ -206,7 +206,7 @@ NS_IMETHODIMP nsSVGMarkerElement::SetOrientToAngle(nsISupports *aAngle)
// nsIContent methods
NS_IMETHODIMP_(bool)
nsSVGMarkerElement::IsAttributeMapped(const nsIAtom* name) const
SVGMarkerElement::IsAttributeMapped(const nsIAtom* name) const
{
static const MappedAttributeEntry* const map[] = {
sFEFloodMap,
@ -216,18 +216,21 @@ nsSVGMarkerElement::IsAttributeMapped(const nsIAtom* name) const
sLightingEffectsMap,
sMarkersMap,
sTextContentElementsMap,
sViewportsMap
sViewportsMap,
sColorMap,
sFillStrokeMap,
sGraphicsMap
};
return FindAttributeDependence(name, map) ||
nsSVGMarkerElementBase::IsAttributeMapped(name);
SVGMarkerElementBase::IsAttributeMapped(name);
}
//----------------------------------------------------------------------
// nsSVGElement methods
bool
nsSVGMarkerElement::GetAttr(int32_t aNameSpaceID, nsIAtom* aName,
SVGMarkerElement::GetAttr(int32_t aNameSpaceID, nsIAtom* aName,
nsAString &aResult) const
{
if (aNameSpaceID == kNameSpaceID_None &&
@ -236,11 +239,11 @@ nsSVGMarkerElement::GetAttr(int32_t aNameSpaceID, nsIAtom* aName,
aResult.AssignLiteral("auto");
return true;
}
return nsSVGMarkerElementBase::GetAttr(aNameSpaceID, aName, aResult);
return SVGMarkerElementBase::GetAttr(aNameSpaceID, aName, aResult);
}
bool
nsSVGMarkerElement::ParseAttribute(int32_t aNameSpaceID, nsIAtom* aName,
SVGMarkerElement::ParseAttribute(int32_t aNameSpaceID, nsIAtom* aName,
const nsAString& aValue,
nsAttrValue& aResult)
{
@ -252,12 +255,12 @@ nsSVGMarkerElement::ParseAttribute(int32_t aNameSpaceID, nsIAtom* aName,
}
mOrientType.SetBaseValue(SVG_MARKER_ORIENT_ANGLE);
}
return nsSVGMarkerElementBase::ParseAttribute(aNameSpaceID, aName,
return SVGMarkerElementBase::ParseAttribute(aNameSpaceID, aName,
aValue, aResult);
}
nsresult
nsSVGMarkerElement::UnsetAttr(int32_t aNamespaceID, nsIAtom* aName,
SVGMarkerElement::UnsetAttr(int32_t aNamespaceID, nsIAtom* aName,
bool aNotify)
{
if (aNamespaceID == kNameSpaceID_None) {
@ -273,14 +276,14 @@ nsSVGMarkerElement::UnsetAttr(int32_t aNamespaceID, nsIAtom* aName,
// nsSVGElement methods
void
nsSVGMarkerElement::SetParentCoordCtxProvider(SVGSVGElement *aContext)
SVGMarkerElement::SetParentCoordCtxProvider(SVGSVGElement *aContext)
{
mCoordCtx = aContext;
mViewBoxToViewportTransform = nullptr;
}
/* virtual */ bool
nsSVGMarkerElement::HasValidDimensions() const
SVGMarkerElement::HasValidDimensions() const
{
return (!mLengthAttributes[MARKERWIDTH].IsExplicitlySet() ||
mLengthAttributes[MARKERWIDTH].GetAnimValInSpecifiedUnits() > 0) &&
@ -289,34 +292,34 @@ nsSVGMarkerElement::HasValidDimensions() const
}
nsSVGElement::LengthAttributesInfo
nsSVGMarkerElement::GetLengthInfo()
SVGMarkerElement::GetLengthInfo()
{
return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
ArrayLength(sLengthInfo));
}
nsSVGElement::AngleAttributesInfo
nsSVGMarkerElement::GetAngleInfo()
SVGMarkerElement::GetAngleInfo()
{
return AngleAttributesInfo(mAngleAttributes, sAngleInfo,
ArrayLength(sAngleInfo));
}
nsSVGElement::EnumAttributesInfo
nsSVGMarkerElement::GetEnumInfo()
SVGMarkerElement::GetEnumInfo()
{
return EnumAttributesInfo(mEnumAttributes, sEnumInfo,
ArrayLength(sEnumInfo));
}
nsSVGViewBox *
nsSVGMarkerElement::GetViewBox()
SVGMarkerElement::GetViewBox()
{
return &mViewBox;
}
SVGAnimatedPreserveAspectRatio *
nsSVGMarkerElement::GetPreserveAspectRatio()
SVGMarkerElement::GetPreserveAspectRatio()
{
return &mPreserveAspectRatio;
}
@ -325,7 +328,7 @@ nsSVGMarkerElement::GetPreserveAspectRatio()
// public helpers
gfxMatrix
nsSVGMarkerElement::GetMarkerTransform(float aStrokeWidth,
SVGMarkerElement::GetMarkerTransform(float aStrokeWidth,
float aX, float aY, float aAutoAngle)
{
gfxFloat scale = mEnumAttributes[MARKERUNITS].GetAnimValue() ==
@ -341,7 +344,7 @@ nsSVGMarkerElement::GetMarkerTransform(float aStrokeWidth,
}
nsSVGViewBoxRect
nsSVGMarkerElement::GetViewBoxRect()
SVGMarkerElement::GetViewBoxRect()
{
if (mViewBox.IsExplicitlySet()) {
return mViewBox.GetAnimValue();
@ -353,7 +356,7 @@ nsSVGMarkerElement::GetViewBoxRect()
}
gfxMatrix
nsSVGMarkerElement::GetViewBoxTransform()
SVGMarkerElement::GetViewBoxTransform()
{
if (!mViewBoxToViewportTransform) {
float viewportWidth =
@ -386,4 +389,5 @@ nsSVGMarkerElement::GetViewBoxTransform()
return *mViewBoxToViewportTransform;
}
} // namespace dom
} // namespace mozilla

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@ -3,8 +3,8 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __NS_SVGMARKERELEMENT_H__
#define __NS_SVGMARKERELEMENT_H__
#ifndef mozilla_dom_SVGMarkerElement_h
#define mozilla_dom_SVGMarkerElement_h
#include "gfxMatrix.h"
#include "nsIDOMSVGFitToViewBox.h"
@ -14,9 +14,17 @@
#include "nsSVGLength2.h"
#include "nsSVGViewBox.h"
#include "SVGAnimatedPreserveAspectRatio.h"
#include "SVGGraphicsElement.h"
#include "nsSVGElement.h"
#include "mozilla/Attributes.h"
class nsSVGMarkerFrame;
nsresult NS_NewSVGMarkerElement(nsIContent **aResult,
already_AddRefed<nsINodeInfo> aNodeInfo);
namespace mozilla {
namespace dom {
class nsSVGOrientType
{
public:
@ -68,22 +76,20 @@ private:
};
};
typedef mozilla::dom::SVGGraphicsElement nsSVGMarkerElementBase;
typedef nsSVGElement SVGMarkerElementBase;
class nsSVGMarkerElement : public nsSVGMarkerElementBase,
class SVGMarkerElement : public SVGMarkerElementBase,
public nsIDOMSVGMarkerElement,
public nsIDOMSVGFitToViewBox
{
friend class nsSVGMarkerFrame;
friend class ::nsSVGMarkerFrame;
protected:
friend nsresult NS_NewSVGMarkerElement(nsIContent **aResult,
already_AddRefed<nsINodeInfo> aNodeInfo);
nsSVGMarkerElement(already_AddRefed<nsINodeInfo> aNodeInfo);
friend nsresult (::NS_NewSVGMarkerElement(nsIContent **aResult,
already_AddRefed<nsINodeInfo> aNodeInfo));
SVGMarkerElement(already_AddRefed<nsINodeInfo> aNodeInfo);
public:
typedef mozilla::SVGAnimatedPreserveAspectRatio SVGAnimatedPreserveAspectRatio;
// interfaces:
NS_DECL_ISUPPORTS_INHERITED
@ -125,7 +131,7 @@ protected:
const nsAString& aValue,
nsAttrValue& aResult);
void SetParentCoordCtxProvider(mozilla::dom::SVGSVGElement *aContext);
void SetParentCoordCtxProvider(SVGSVGElement *aContext);
virtual LengthAttributesInfo GetLengthInfo();
virtual AngleAttributesInfo GetAngleInfo();
@ -152,8 +158,11 @@ protected:
// derived properties (from 'orient') handled separately
nsSVGOrientType mOrientType;
mozilla::dom::SVGSVGElement *mCoordCtx;
SVGSVGElement *mCoordCtx;
nsAutoPtr<gfxMatrix> mViewBoxToViewportTransform;
};
#endif
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_SVGMarkerElement_h

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@ -9,7 +9,7 @@
#include "prdtoa.h"
#include "nsTextFormatter.h"
#include "nsSVGAttrTearoffTable.h"
#include "nsSVGMarkerElement.h"
#include "mozilla/dom/SVGMarkerElement.h"
#include "nsMathUtils.h"
#include "nsContentUtils.h" // NS_ENSURE_FINITE
#include "nsSMILValue.h"
@ -366,7 +366,7 @@ nsISMILAttr*
nsSVGAngle::ToSMILAttr(nsSVGElement *aSVGElement)
{
if (aSVGElement->NodeInfo()->Equals(nsGkAtoms::marker, kNameSpaceID_SVG)) {
nsSVGMarkerElement *marker = static_cast<nsSVGMarkerElement*>(aSVGElement);
SVGMarkerElement *marker = static_cast<SVGMarkerElement*>(aSVGElement);
return new SMILOrient(marker->GetOrientType(), this, aSVGElement);
}
// SMILOrient would not be useful for general angle attributes (also,

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@ -16,7 +16,6 @@
class nsISMILAnimationElement;
class nsSMILValue;
class nsSVGOrientType;
namespace mozilla {
@ -28,6 +27,7 @@ static const unsigned short SVG_ANGLETYPE_RAD = 3;
static const unsigned short SVG_ANGLETYPE_GRAD = 4;
namespace dom {
class nsSVGOrientType;
class SVGAngle;
class SVGAnimatedAngle;
}
@ -100,7 +100,7 @@ public:
struct SMILOrient MOZ_FINAL : public nsISMILAttr
{
public:
SMILOrient(nsSVGOrientType* aOrientType,
SMILOrient(mozilla::dom::nsSVGOrientType* aOrientType,
nsSVGAngle* aAngle,
nsSVGElement* aSVGElement)
: mOrientType(aOrientType)
@ -111,7 +111,7 @@ public:
// These will stay alive because a nsISMILAttr only lives as long
// as the Compositing step, and DOM elements don't get a chance to
// die during that.
nsSVGOrientType* mOrientType;
mozilla::dom::nsSVGOrientType* mOrientType;
nsSVGAngle* mAngle;
nsSVGElement* mSVGElement;

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@ -10,7 +10,7 @@
#include "gfxContext.h"
#include "nsRenderingContext.h"
#include "nsSVGEffects.h"
#include "nsSVGMarkerElement.h"
#include "mozilla/dom/SVGMarkerElement.h"
#include "nsSVGPathGeometryElement.h"
#include "nsSVGPathGeometryFrame.h"
@ -80,7 +80,7 @@ nsSVGMarkerFrame::GetCanvasTM(uint32_t aFor)
return gfxMatrix();
}
nsSVGMarkerElement *content = static_cast<nsSVGMarkerElement*>(mContent);
SVGMarkerElement *content = static_cast<SVGMarkerElement*>(mContent);
mInUse2 = true;
gfxMatrix markedTM = mMarkedFrame->GetCanvasTM(aFor);
@ -106,7 +106,7 @@ nsSVGMarkerFrame::PaintMark(nsRenderingContext *aContext,
AutoMarkerReferencer markerRef(this, aMarkedFrame);
nsSVGMarkerElement *marker = static_cast<nsSVGMarkerElement*>(mContent);
SVGMarkerElement *marker = static_cast<SVGMarkerElement*>(mContent);
const nsSVGViewBoxRect viewBox = marker->GetViewBoxRect();
@ -164,7 +164,7 @@ nsSVGMarkerFrame::GetMarkBBoxContribution(const gfxMatrix &aToBBoxUserspace,
AutoMarkerReferencer markerRef(this, aMarkedFrame);
nsSVGMarkerElement *content = static_cast<nsSVGMarkerElement*>(mContent);
SVGMarkerElement *content = static_cast<SVGMarkerElement*>(mContent);
const nsSVGViewBoxRect viewBox = content->GetViewBoxRect();
@ -204,7 +204,7 @@ nsSVGMarkerFrame::GetMarkBBoxContribution(const gfxMatrix &aToBBoxUserspace,
void
nsSVGMarkerFrame::SetParentCoordCtxProvider(SVGSVGElement *aContext)
{
nsSVGMarkerElement *marker = static_cast<nsSVGMarkerElement*>(mContent);
SVGMarkerElement *marker = static_cast<SVGMarkerElement*>(mContent);
marker->SetParentCoordCtxProvider(aContext);
}