/* 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/SVGFECompositeElement.h"

#include "mozilla/dom/BindContext.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/SVGFECompositeElementBinding.h"

NS_IMPL_NS_NEW_SVG_ELEMENT(FEComposite)

using namespace mozilla::gfx;

namespace mozilla::dom {

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

SVGElement::NumberInfo SVGFECompositeElement::sNumberInfo[4] = {
    {nsGkAtoms::k1, 0},
    {nsGkAtoms::k2, 0},
    {nsGkAtoms::k3, 0},
    {nsGkAtoms::k4, 0}};

SVGEnumMapping SVGFECompositeElement::sOperatorMap[] = {
    {nsGkAtoms::over, uint8_t(SVGFECompositeOperator::Over)},
    {nsGkAtoms::in, uint8_t(SVGFECompositeOperator::In)},
    {nsGkAtoms::out, uint8_t(SVGFECompositeOperator::Out)},
    {nsGkAtoms::atop, uint8_t(SVGFECompositeOperator::Atop)},
    {nsGkAtoms::xor_, uint8_t(SVGFECompositeOperator::Xor)},
    {nsGkAtoms::arithmetic, uint8_t(SVGFECompositeOperator::Arithmetic)},
    {nsGkAtoms::lighter, uint8_t(SVGFECompositeOperator::Lighter)},
    {nullptr, 0}};

SVGElement::EnumInfo SVGFECompositeElement::sEnumInfo[1] = {
    {nsGkAtoms::_operator, sOperatorMap,
     uint8_t(SVGFECompositeOperator::Over)}};

SVGElement::StringInfo SVGFECompositeElement::sStringInfo[3] = {
    {nsGkAtoms::result, kNameSpaceID_None, true},
    {nsGkAtoms::in, kNameSpaceID_None, true},
    {nsGkAtoms::in2, kNameSpaceID_None, true}};

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

NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFECompositeElement)

already_AddRefed<DOMSVGAnimatedString> SVGFECompositeElement::In1() {
  return mStringAttributes[IN1].ToDOMAnimatedString(this);
}

already_AddRefed<DOMSVGAnimatedString> SVGFECompositeElement::In2() {
  return mStringAttributes[IN2].ToDOMAnimatedString(this);
}

already_AddRefed<DOMSVGAnimatedEnumeration> SVGFECompositeElement::Operator() {
  return mEnumAttributes[OPERATOR].ToDOMAnimatedEnum(this);
}

already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K1() {
  return mNumberAttributes[ATTR_K1].ToDOMAnimatedNumber(this);
}

already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K2() {
  return mNumberAttributes[ATTR_K2].ToDOMAnimatedNumber(this);
}

already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K3() {
  return mNumberAttributes[ATTR_K3].ToDOMAnimatedNumber(this);
}

already_AddRefed<DOMSVGAnimatedNumber> SVGFECompositeElement::K4() {
  return mNumberAttributes[ATTR_K4].ToDOMAnimatedNumber(this);
}

void SVGFECompositeElement::SetK(float k1, float k2, float k3, float k4) {
  mNumberAttributes[ATTR_K1].SetBaseValue(k1, this);
  mNumberAttributes[ATTR_K2].SetBaseValue(k2, this);
  mNumberAttributes[ATTR_K3].SetBaseValue(k3, this);
  mNumberAttributes[ATTR_K4].SetBaseValue(k4, this);
}

FilterPrimitiveDescription SVGFECompositeElement::GetPrimitiveDescription(
    SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
    const nsTArray<bool>& aInputsAreTainted,
    nsTArray<RefPtr<SourceSurface>>& aInputImages) {
  CompositeAttributes atts;
  atts.mOperator =
      SVGFECompositeOperator(mEnumAttributes[OPERATOR].GetAnimValue());

  if (atts.mOperator == SVGFECompositeOperator::Arithmetic) {
    std::array<float, 4> k;
    GetAnimatedNumberValues(&k[0], &k[1], &k[2], &k[3], nullptr);
    atts.mCoefficients.AppendElements(Span(k));
  }

  return FilterPrimitiveDescription(AsVariant(std::move(atts)));
}

bool SVGFECompositeElement::AttributeAffectsRendering(
    int32_t aNameSpaceID, nsAtom* aAttribute) const {
  return SVGFECompositeElementBase::AttributeAffectsRendering(aNameSpaceID,
                                                              aAttribute) ||
         (aNameSpaceID == kNameSpaceID_None &&
          (aAttribute == nsGkAtoms::in || aAttribute == nsGkAtoms::in2 ||
           aAttribute == nsGkAtoms::k1 || aAttribute == nsGkAtoms::k2 ||
           aAttribute == nsGkAtoms::k3 || aAttribute == nsGkAtoms::k4 ||
           aAttribute == nsGkAtoms::_operator));
}

void SVGFECompositeElement::GetSourceImageNames(
    nsTArray<SVGStringInfo>& aSources) {
  aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN1], this));
  aSources.AppendElement(SVGStringInfo(&mStringAttributes[IN2], this));
}

nsresult SVGFECompositeElement::BindToTree(BindContext& aCtx,
                                           nsINode& aParent) {
  if (aCtx.InComposedDoc()) {
    aCtx.OwnerDoc().SetUseCounter(eUseCounter_custom_feComposite);
  }

  return SVGFECompositeElementBase::BindToTree(aCtx, aParent);
}

//----------------------------------------------------------------------
// SVGElement methods

SVGElement::NumberAttributesInfo SVGFECompositeElement::GetNumberInfo() {
  return NumberAttributesInfo(mNumberAttributes, sNumberInfo,
                              std::size(sNumberInfo));
}

SVGElement::EnumAttributesInfo SVGFECompositeElement::GetEnumInfo() {
  return EnumAttributesInfo(mEnumAttributes, sEnumInfo, std::size(sEnumInfo));
}

SVGElement::StringAttributesInfo SVGFECompositeElement::GetStringInfo() {
  return StringAttributesInfo(mStringAttributes, sStringInfo,
                              std::size(sStringInfo));
}

}  // namespace mozilla::dom