Add m-esr52 at 52.6.0

1 files changed, 383 insertions, 0 deletions

diff --git a/dom/svg/SVGMarkerElement.cpp b/dom/svg/SVGMarkerElement.cpp
new file mode 100644
index 000000000..b1f207196
--- /dev/null
+++ b/dom/svg/SVGMarkerElement.cpp
@@ -0,0 +1,383 @@
+/* -*- 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/. */
+
+#include "mozilla/ArrayUtils.h"
+
+#include "nsGkAtoms.h"
+#include "nsCOMPtr.h"
+#include "SVGAnimatedPreserveAspectRatio.h"
+#include "nsError.h"
+#include "mozilla/dom/SVGAngle.h"
+#include "mozilla/dom/SVGMarkerElement.h"
+#include "mozilla/dom/SVGMarkerElementBinding.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/gfx/Matrix.h"
+#include "mozilla/FloatingPoint.h"
+#include "SVGContentUtils.h"
+
+using namespace mozilla::gfx;
+
+NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(Marker)
+
+namespace mozilla {
+namespace dom {
+
+JSObject*
+SVGMarkerElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return SVGMarkerElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+nsSVGElement::LengthInfo SVGMarkerElement::sLengthInfo[4] =
+{
+  { &nsGkAtoms::refX, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
+  { &nsGkAtoms::refY, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
+  { &nsGkAtoms::markerWidth, 3, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
+  { &nsGkAtoms::markerHeight, 3, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
+};
+
+nsSVGEnumMapping SVGMarkerElement::sUnitsMap[] = {
+  {&nsGkAtoms::strokeWidth, SVG_MARKERUNITS_STROKEWIDTH},
+  {&nsGkAtoms::userSpaceOnUse, SVG_MARKERUNITS_USERSPACEONUSE},
+  {nullptr, 0}
+};
+
+nsSVGElement::EnumInfo SVGMarkerElement::sEnumInfo[1] =
+{
+  { &nsGkAtoms::markerUnits,
+    sUnitsMap,
+    SVG_MARKERUNITS_STROKEWIDTH
+  }
+};
+
+nsSVGElement::AngleInfo SVGMarkerElement::sAngleInfo[1] =
+{
+  { &nsGkAtoms::orient, 0, SVG_ANGLETYPE_UNSPECIFIED }
+};
+
+//----------------------------------------------------------------------
+// Implementation
+
+nsresult
+nsSVGOrientType::SetBaseValue(uint16_t aValue,
+                              nsSVGElement *aSVGElement)
+{
+  if (aValue == SVG_MARKER_ORIENT_AUTO_START_REVERSE &&
+      !SVGMarkerElement::MarkerImprovementsPrefEnabled()) {
+    return NS_ERROR_DOM_SYNTAX_ERR;
+  }
+
+  if (aValue == SVG_MARKER_ORIENT_AUTO ||
+      aValue == SVG_MARKER_ORIENT_ANGLE ||
+      aValue == SVG_MARKER_ORIENT_AUTO_START_REVERSE) {
+    SetBaseValue(aValue);
+    aSVGElement->SetAttr(
+      kNameSpaceID_None, nsGkAtoms::orient, nullptr,
+      (aValue == SVG_MARKER_ORIENT_AUTO ?
+        NS_LITERAL_STRING("auto") :
+        aValue == SVG_MARKER_ORIENT_ANGLE ?
+          NS_LITERAL_STRING("0") :
+          NS_LITERAL_STRING("auto-start-reverse")),
+      true);
+    return NS_OK;
+  }
+  return NS_ERROR_DOM_SYNTAX_ERR;
+}
+
+already_AddRefed<SVGAnimatedEnumeration>
+nsSVGOrientType::ToDOMAnimatedEnum(nsSVGElement *aSVGElement)
+{
+  RefPtr<SVGAnimatedEnumeration> toReturn =
+    new DOMAnimatedEnum(this, aSVGElement);
+  return toReturn.forget();
+}
+
+SVGMarkerElement::SVGMarkerElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+  : SVGMarkerElementBase(aNodeInfo), mCoordCtx(nullptr)
+{
+}
+
+//----------------------------------------------------------------------
+// nsIDOMNode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGMarkerElement)
+
+//----------------------------------------------------------------------
+
+already_AddRefed<SVGAnimatedRect>
+SVGMarkerElement::ViewBox()
+{
+  return mViewBox.ToSVGAnimatedRect(this);
+}
+
+already_AddRefed<DOMSVGAnimatedPreserveAspectRatio>
+SVGMarkerElement::PreserveAspectRatio()
+{
+  return mPreserveAspectRatio.ToDOMAnimatedPreserveAspectRatio(this);
+}
+
+//----------------------------------------------------------------------
+
+already_AddRefed<SVGAnimatedLength>
+SVGMarkerElement::RefX()
+{
+  return mLengthAttributes[REFX].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<SVGAnimatedLength>
+SVGMarkerElement::RefY()
+{
+  return mLengthAttributes[REFY].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<SVGAnimatedEnumeration>
+SVGMarkerElement::MarkerUnits()
+{
+  return mEnumAttributes[MARKERUNITS].ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<SVGAnimatedLength>
+SVGMarkerElement::MarkerWidth()
+{
+  return mLengthAttributes[MARKERWIDTH].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<SVGAnimatedLength>
+SVGMarkerElement::MarkerHeight()
+{
+  return mLengthAttributes[MARKERHEIGHT].ToDOMAnimatedLength(this);
+}
+
+already_AddRefed<SVGAnimatedEnumeration>
+SVGMarkerElement::OrientType()
+{
+  return mOrientType.ToDOMAnimatedEnum(this);
+}
+
+already_AddRefed<SVGAnimatedAngle>
+SVGMarkerElement::OrientAngle()
+{
+  return mAngleAttributes[ORIENT].ToDOMAnimatedAngle(this);
+}
+
+void SVGMarkerElement::SetOrientToAuto()
+{
+  SetAttr(kNameSpaceID_None, nsGkAtoms::orient, nullptr,
+          NS_LITERAL_STRING("auto"), true);
+}
+
+void
+SVGMarkerElement::SetOrientToAngle(SVGAngle& angle, ErrorResult& rv)
+{
+  float f = angle.Value();
+  if (!IsFinite(f)) {
+    rv.Throw(NS_ERROR_DOM_SVG_WRONG_TYPE_ERR);
+    return;
+  }
+  mOrientType.SetBaseValue(SVG_MARKER_ORIENT_ANGLE);
+  mAngleAttributes[ORIENT].SetBaseValue(f, this, true);
+}
+
+//----------------------------------------------------------------------
+// nsIContent methods
+
+NS_IMETHODIMP_(bool)
+SVGMarkerElement::IsAttributeMapped(const nsIAtom* name) const
+{
+  static const MappedAttributeEntry* const map[] = {
+    sFEFloodMap,
+    sFiltersMap,
+    sFontSpecificationMap,
+    sGradientStopMap,
+    sLightingEffectsMap,
+    sMarkersMap,
+    sTextContentElementsMap,
+    sViewportsMap,
+    sColorMap,
+    sFillStrokeMap,
+    sGraphicsMap
+  };
+
+  return FindAttributeDependence(name, map) ||
+    SVGMarkerElementBase::IsAttributeMapped(name);
+}
+
+//----------------------------------------------------------------------
+// nsSVGElement methods
+
+bool
+SVGMarkerElement::ParseAttribute(int32_t aNameSpaceID, nsIAtom* aName,
+                                 const nsAString& aValue,
+                                 nsAttrValue& aResult)
+{
+  if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::orient) {
+    if (aValue.EqualsLiteral("auto")) {
+      mOrientType.SetBaseValue(SVG_MARKER_ORIENT_AUTO);
+      aResult.SetTo(aValue);
+      mAngleAttributes[ORIENT].SetBaseValue(0.f, this, false);
+      return true;
+    }
+    if (aValue.EqualsLiteral("auto-start-reverse") &&
+        MarkerImprovementsPrefEnabled()) {
+      mOrientType.SetBaseValue(SVG_MARKER_ORIENT_AUTO_START_REVERSE);
+      aResult.SetTo(aValue);
+      mAngleAttributes[ORIENT].SetBaseValue(0.f, this, false);
+      return true;
+    }
+    mOrientType.SetBaseValue(SVG_MARKER_ORIENT_ANGLE);
+  }
+  return SVGMarkerElementBase::ParseAttribute(aNameSpaceID, aName,
+                                              aValue, aResult);
+}
+
+nsresult
+SVGMarkerElement::UnsetAttr(int32_t aNamespaceID, nsIAtom* aName,
+                            bool aNotify)
+{
+  if (aNamespaceID == kNameSpaceID_None) {
+    if (aName == nsGkAtoms::orient) {
+      mOrientType.SetBaseValue(SVG_MARKER_ORIENT_ANGLE);
+    }
+  }
+
+  return nsSVGElement::UnsetAttr(aNamespaceID, aName, aNotify);
+}
+
+//----------------------------------------------------------------------
+// nsSVGElement methods
+
+void
+SVGMarkerElement::SetParentCoordCtxProvider(SVGSVGElement *aContext)
+{
+  mCoordCtx = aContext;
+  mViewBoxToViewportTransform = nullptr;
+}
+
+/* virtual */ bool
+SVGMarkerElement::HasValidDimensions() const
+{
+  return (!mLengthAttributes[MARKERWIDTH].IsExplicitlySet() ||
+           mLengthAttributes[MARKERWIDTH].GetAnimValInSpecifiedUnits() > 0) &&
+         (!mLengthAttributes[MARKERHEIGHT].IsExplicitlySet() || 
+           mLengthAttributes[MARKERHEIGHT].GetAnimValInSpecifiedUnits() > 0);
+}
+
+nsSVGElement::LengthAttributesInfo
+SVGMarkerElement::GetLengthInfo()
+{
+  return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
+                              ArrayLength(sLengthInfo));
+}
+
+nsSVGElement::AngleAttributesInfo
+SVGMarkerElement::GetAngleInfo()
+{
+  return AngleAttributesInfo(mAngleAttributes, sAngleInfo,
+                             ArrayLength(sAngleInfo));
+}
+
+nsSVGElement::EnumAttributesInfo
+SVGMarkerElement::GetEnumInfo()
+{
+  return EnumAttributesInfo(mEnumAttributes, sEnumInfo,
+                            ArrayLength(sEnumInfo));
+}
+
+nsSVGViewBox *
+SVGMarkerElement::GetViewBox()
+{
+  return &mViewBox;
+}
+
+SVGAnimatedPreserveAspectRatio *
+SVGMarkerElement::GetPreserveAspectRatio()
+{
+  return &mPreserveAspectRatio;
+}
+
+//----------------------------------------------------------------------
+// public helpers
+
+gfx::Matrix
+SVGMarkerElement::GetMarkerTransform(float aStrokeWidth,
+                                     float aX, float aY, float aAutoAngle,
+                                     bool aIsStart)
+{
+  float scale = mEnumAttributes[MARKERUNITS].GetAnimValue() ==
+                     SVG_MARKERUNITS_STROKEWIDTH ? aStrokeWidth : 1.0f;
+
+  float angle;
+  switch (mOrientType.GetAnimValueInternal()) {
+    case SVG_MARKER_ORIENT_AUTO:
+      angle = aAutoAngle;
+      break;
+    case SVG_MARKER_ORIENT_AUTO_START_REVERSE:
+      angle = aAutoAngle + (aIsStart ? M_PI : 0.0f);
+      break;
+    default: // SVG_MARKER_ORIENT_ANGLE
+      angle = mAngleAttributes[ORIENT].GetAnimValue() * M_PI / 180.0f;
+      break;
+  }
+
+  return gfx::Matrix(cos(angle) * scale,   sin(angle) * scale,
+                     -sin(angle) * scale,  cos(angle) * scale,
+                     aX,                    aY);
+}
+
+nsSVGViewBoxRect
+SVGMarkerElement::GetViewBoxRect()
+{
+  if (mViewBox.HasRect()) {
+    return mViewBox.GetAnimValue();
+  }
+  return nsSVGViewBoxRect(
+           0, 0,
+           mLengthAttributes[MARKERWIDTH].GetAnimValue(mCoordCtx),
+           mLengthAttributes[MARKERHEIGHT].GetAnimValue(mCoordCtx));
+}
+
+gfx::Matrix
+SVGMarkerElement::GetViewBoxTransform()
+{
+  if (!mViewBoxToViewportTransform) {
+    float viewportWidth =
+      mLengthAttributes[MARKERWIDTH].GetAnimValue(mCoordCtx);
+    float viewportHeight = 
+      mLengthAttributes[MARKERHEIGHT].GetAnimValue(mCoordCtx);
+
+    nsSVGViewBoxRect viewbox = GetViewBoxRect();
+
+    MOZ_ASSERT(viewbox.width > 0.0f && viewbox.height > 0.0f,
+               "Rendering should be disabled");
+
+    gfx::Matrix viewBoxTM =
+      SVGContentUtils::GetViewBoxTransform(viewportWidth, viewportHeight,
+                                           viewbox.x, viewbox.y,
+                                           viewbox.width, viewbox.height,
+                                           mPreserveAspectRatio);
+
+    float refX = mLengthAttributes[REFX].GetAnimValue(mCoordCtx);
+    float refY = mLengthAttributes[REFY].GetAnimValue(mCoordCtx);
+
+    gfx::Point ref = viewBoxTM.TransformPoint(gfx::Point(refX, refY));
+
+    Matrix TM = viewBoxTM;
+    TM.PostTranslate(-ref.x, -ref.y);
+
+    mViewBoxToViewportTransform = new gfx::Matrix(TM);
+  }
+
+  return *mViewBoxToViewportTransform;
+}
+
+/* static */ bool
+SVGMarkerElement::MarkerImprovementsPrefEnabled()
+{
+  return Preferences::GetBool("svg.marker-improvements.enabled", false);
+}
+
+} // namespace dom
+} // namespace mozilla