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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* 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 mozilla_dom_SVGMarkerElement_h
#define mozilla_dom_SVGMarkerElement_h
#include "nsAutoPtr.h"
#include "nsSVGAngle.h"
#include "nsSVGEnum.h"
#include "nsSVGLength2.h"
#include "nsSVGViewBox.h"
#include "SVGAnimatedPreserveAspectRatio.h"
#include "nsSVGElement.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/SVGAnimatedEnumeration.h"
class nsSVGMarkerFrame;
nsresult NS_NewSVGMarkerElement(nsIContent **aResult,
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
namespace mozilla {
namespace dom {
// Marker Unit Types
static const unsigned short SVG_MARKERUNITS_UNKNOWN = 0;
static const unsigned short SVG_MARKERUNITS_USERSPACEONUSE = 1;
static const unsigned short SVG_MARKERUNITS_STROKEWIDTH = 2;
// Marker Orientation Types
static const unsigned short SVG_MARKER_ORIENT_UNKNOWN = 0;
static const unsigned short SVG_MARKER_ORIENT_AUTO = 1;
static const unsigned short SVG_MARKER_ORIENT_ANGLE = 2;
static const unsigned short SVG_MARKER_ORIENT_AUTO_START_REVERSE = 3;
class nsSVGOrientType
{
public:
nsSVGOrientType()
: mAnimVal(SVG_MARKER_ORIENT_ANGLE),
mBaseVal(SVG_MARKER_ORIENT_ANGLE) {}
nsresult SetBaseValue(uint16_t aValue,
nsSVGElement *aSVGElement);
// XXX FIXME like https://bugzilla.mozilla.org/show_bug.cgi?id=545550 but
// without adding an mIsAnimated member...?
void SetBaseValue(uint16_t aValue)
{ mAnimVal = mBaseVal = uint8_t(aValue); }
// no need to notify, since nsSVGAngle does that
void SetAnimValue(uint16_t aValue)
{ mAnimVal = uint8_t(aValue); }
// we want to avoid exposing SVG_MARKER_ORIENT_AUTO_START_REVERSE to
// Web content
uint16_t GetBaseValue() const
{ return mAnimVal == SVG_MARKER_ORIENT_AUTO_START_REVERSE ?
SVG_MARKER_ORIENT_UNKNOWN : mBaseVal; }
uint16_t GetAnimValue() const
{ return mAnimVal == SVG_MARKER_ORIENT_AUTO_START_REVERSE ?
SVG_MARKER_ORIENT_UNKNOWN : mAnimVal; }
uint16_t GetAnimValueInternal() const
{ return mAnimVal; }
already_AddRefed<SVGAnimatedEnumeration>
ToDOMAnimatedEnum(nsSVGElement* aSVGElement);
private:
nsSVGEnumValue mAnimVal;
nsSVGEnumValue mBaseVal;
struct DOMAnimatedEnum final : public SVGAnimatedEnumeration
{
DOMAnimatedEnum(nsSVGOrientType* aVal,
nsSVGElement *aSVGElement)
: SVGAnimatedEnumeration(aSVGElement)
, mVal(aVal)
{}
nsSVGOrientType *mVal; // kept alive because it belongs to content
using mozilla::dom::SVGAnimatedEnumeration::SetBaseVal;
virtual uint16_t BaseVal() override
{
return mVal->GetBaseValue();
}
virtual void SetBaseVal(uint16_t aBaseVal, ErrorResult& aRv) override
{
aRv = mVal->SetBaseValue(aBaseVal, mSVGElement);
}
virtual uint16_t AnimVal() override
{
return mVal->GetAnimValue();
}
};
};
typedef nsSVGElement SVGMarkerElementBase;
class SVGMarkerElement : public SVGMarkerElementBase
{
friend class ::nsSVGMarkerFrame;
protected:
friend nsresult (::NS_NewSVGMarkerElement(nsIContent **aResult,
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
explicit SVGMarkerElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
virtual JSObject* WrapNode(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
public:
// nsIContent interface
NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const override;
virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
bool aNotify) override;
// nsSVGSVGElement methods:
virtual bool HasValidDimensions() const override;
// public helpers
gfx::Matrix GetMarkerTransform(float aStrokeWidth,
float aX, float aY, float aAutoAngle,
bool aIsStart);
nsSVGViewBoxRect GetViewBoxRect();
gfx::Matrix GetViewBoxTransform();
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
nsSVGOrientType* GetOrientType() { return &mOrientType; }
// Returns the value of svg.marker-improvements.enabled.
static bool MarkerImprovementsPrefEnabled();
// WebIDL
already_AddRefed<SVGAnimatedRect> ViewBox();
already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
already_AddRefed<SVGAnimatedLength> RefX();
already_AddRefed<SVGAnimatedLength> RefY();
already_AddRefed<SVGAnimatedEnumeration> MarkerUnits();
already_AddRefed<SVGAnimatedLength> MarkerWidth();
already_AddRefed<SVGAnimatedLength> MarkerHeight();
already_AddRefed<SVGAnimatedEnumeration> OrientType();
already_AddRefed<SVGAnimatedAngle> OrientAngle();
void SetOrientToAuto();
void SetOrientToAngle(SVGAngle& angle, ErrorResult& rv);
protected:
virtual bool ParseAttribute(int32_t aNameSpaceID, nsIAtom* aName,
const nsAString& aValue,
nsAttrValue& aResult) override;
void SetParentCoordCtxProvider(SVGSVGElement *aContext);
virtual LengthAttributesInfo GetLengthInfo() override;
virtual AngleAttributesInfo GetAngleInfo() override;
virtual EnumAttributesInfo GetEnumInfo() override;
virtual nsSVGViewBox *GetViewBox() override;
virtual SVGAnimatedPreserveAspectRatio *GetPreserveAspectRatio() override;
enum { REFX, REFY, MARKERWIDTH, MARKERHEIGHT };
nsSVGLength2 mLengthAttributes[4];
static LengthInfo sLengthInfo[4];
enum { MARKERUNITS };
nsSVGEnum mEnumAttributes[1];
static nsSVGEnumMapping sUnitsMap[];
static EnumInfo sEnumInfo[1];
enum { ORIENT };
nsSVGAngle mAngleAttributes[1];
static AngleInfo sAngleInfo[1];
nsSVGViewBox mViewBox;
SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
// derived properties (from 'orient') handled separately
nsSVGOrientType mOrientType;
SVGSVGElement *mCoordCtx;
nsAutoPtr<gfx::Matrix> mViewBoxToViewportTransform;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_SVGMarkerElement_h
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