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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/svg/SVGMarkerElement.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/svg/SVGMarkerElement.h')
-rw-r--r--dom/svg/SVGMarkerElement.h190
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diff --git a/dom/svg/SVGMarkerElement.h b/dom/svg/SVGMarkerElement.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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