Add m-esr52 at 52.6.0

1 files changed, 190 insertions, 0 deletions

diff --git a/dom/svg/SVGMarkerElement.h b/dom/svg/SVGMarkerElement.h
new file mode 100644
index 0000000000..04eabafa4c
--- /dev/null
+++ b/dom/svg/SVGMarkerElement.h
@@ -0,0 +1,190 @@
+/* -*- 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