gecko-dev/dom/svg/SVGTextPathElement.cpp

/* -*- 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/dom/SVGTextPathElement.h"
#include "mozilla/dom/SVGLengthBinding.h"
#include "mozilla/dom/SVGTextContentElementBinding.h"
#include "mozilla/dom/SVGTextPathElementBinding.h"
#include "SVGElement.h"
#include "nsGkAtoms.h"
#include "nsError.h"

NS_IMPL_NS_NEW_SVG_ELEMENT(TextPath)

namespace mozilla::dom {

using namespace SVGTextContentElement_Binding;
using namespace SVGTextPathElement_Binding;

class DOMSVGAnimatedLength;

JSObject* SVGTextPathElement::WrapNode(JSContext* aCx,
                                       JS::Handle<JSObject*> aGivenProto) {
  return SVGTextPathElement_Binding::Wrap(aCx, this, aGivenProto);
}

SVGElement::LengthInfo SVGTextPathElement::sLengthInfo[2] = {
    // from SVGTextContentElement:
    {nsGkAtoms::textLength, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
     SVGContentUtils::XY},
    // from SVGTextPathElement:
    {nsGkAtoms::startOffset, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
     SVGContentUtils::X}};

SVGEnumMapping SVGTextPathElement::sMethodMap[] = {
    {nsGkAtoms::align, TEXTPATH_METHODTYPE_ALIGN},
    {nsGkAtoms::stretch, TEXTPATH_METHODTYPE_STRETCH},
    {nullptr, 0}};

SVGEnumMapping SVGTextPathElement::sSpacingMap[] = {
    {nsGkAtoms::_auto, TEXTPATH_SPACINGTYPE_AUTO},
    {nsGkAtoms::exact, TEXTPATH_SPACINGTYPE_EXACT},
    {nullptr, 0}};

SVGEnumMapping SVGTextPathElement::sSideMap[] = {
    {nsGkAtoms::left, TEXTPATH_SIDETYPE_LEFT},
    {nsGkAtoms::right, TEXTPATH_SIDETYPE_RIGHT},
    {nullptr, 0}};

SVGElement::EnumInfo SVGTextPathElement::sEnumInfo[4] = {
    // from SVGTextContentElement:
    {nsGkAtoms::lengthAdjust, sLengthAdjustMap, LENGTHADJUST_SPACING},
    // from SVGTextPathElement:
    {nsGkAtoms::method, sMethodMap, TEXTPATH_METHODTYPE_ALIGN},
    {nsGkAtoms::spacing, sSpacingMap, TEXTPATH_SPACINGTYPE_EXACT},
    {nsGkAtoms::side_, sSideMap, TEXTPATH_SIDETYPE_LEFT}};

SVGElement::StringInfo SVGTextPathElement::sStringInfo[2] = {
    {nsGkAtoms::href, kNameSpaceID_None, true},
    {nsGkAtoms::href, kNameSpaceID_XLink, true}};

//----------------------------------------------------------------------
// Implementation

SVGTextPathElement::SVGTextPathElement(
    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
    : SVGTextPathElementBase(std::move(aNodeInfo)) {}

void SVGTextPathElement::HrefAsString(nsAString& aHref) {
  if (mStringAttributes[SVGTextPathElement::HREF].IsExplicitlySet()) {
    mStringAttributes[SVGTextPathElement::HREF].GetAnimValue(aHref, this);
  } else {
    mStringAttributes[SVGTextPathElement::XLINK_HREF].GetAnimValue(aHref, this);
  }
}

//----------------------------------------------------------------------
// nsINode methods

NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGTextPathElement)

already_AddRefed<DOMSVGAnimatedString> SVGTextPathElement::Href() {
  return mStringAttributes[HREF].IsExplicitlySet()
             ? mStringAttributes[HREF].ToDOMAnimatedString(this)
             : mStringAttributes[XLINK_HREF].ToDOMAnimatedString(this);
}

//----------------------------------------------------------------------

already_AddRefed<DOMSVGAnimatedLength> SVGTextPathElement::StartOffset() {
  return mLengthAttributes[STARTOFFSET].ToDOMAnimatedLength(this);
}

already_AddRefed<DOMSVGAnimatedEnumeration> SVGTextPathElement::Method() {
  return mEnumAttributes[METHOD].ToDOMAnimatedEnum(this);
}

already_AddRefed<DOMSVGAnimatedEnumeration> SVGTextPathElement::Spacing() {
  return mEnumAttributes[SPACING].ToDOMAnimatedEnum(this);
}

already_AddRefed<DOMSVGAnimatedEnumeration> SVGTextPathElement::Side() {
  return mEnumAttributes[SIDE].ToDOMAnimatedEnum(this);
}

//----------------------------------------------------------------------
// nsIContent methods

NS_IMETHODIMP_(bool)
SVGTextPathElement::IsAttributeMapped(const nsAtom* name) const {
  static const MappedAttributeEntry* const map[] = {
      sColorMap, sFillStrokeMap, sFontSpecificationMap, sGraphicsMap,
      sTextContentElementsMap};

  return FindAttributeDependence(name, map) ||
         SVGTextPathElementBase::IsAttributeMapped(name);
}

//----------------------------------------------------------------------
// SVGElement overrides

SVGElement::LengthAttributesInfo SVGTextPathElement::GetLengthInfo() {
  return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
                              ArrayLength(sLengthInfo));
}

SVGElement::EnumAttributesInfo SVGTextPathElement::GetEnumInfo() {
  return EnumAttributesInfo(mEnumAttributes, sEnumInfo, ArrayLength(sEnumInfo));
}

SVGElement::StringAttributesInfo SVGTextPathElement::GetStringInfo() {
  return StringAttributesInfo(mStringAttributes, sStringInfo,
                              ArrayLength(sStringInfo));
}

}  // namespace mozilla::dom