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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* -*- 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/HTMLPictureElement.h"
#include "mozilla/dom/HTMLPictureElementBinding.h"
#include "mozilla/dom/HTMLImageElement.h"

// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Picture) to add pref check.
// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Picture) to add pref check.
nsGenericHTMLElement* NS_NewHTMLPictureElement(
    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
    mozilla::dom::FromParser aFromParser) {
  RefPtr<mozilla::dom::NodeInfo> nodeInfo(aNodeInfo);
  auto* nim = nodeInfo->NodeInfoManager();
  auto* nim = nodeInfo->NodeInfoManager();
  return new (nim) mozilla::dom::HTMLPictureElement(nodeInfo.forget());
}

namespace mozilla {
namespace dom {
namespace dom {

HTMLPictureElement::HTMLPictureElement(
    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
    : nsGenericHTMLElement(std::move(aNodeInfo)) {}


HTMLPictureElement::~HTMLPictureElement() = default;

NS_IMPL_ELEMENT_CLONE(HTMLPictureElement)

void HTMLPictureElement::RemoveChildNode(nsIContent* aKid, bool aNotify) {
void HTMLPictureElement::RemoveChildNode(nsIContent* aKid, bool aNotify) {
  if (aKid && aKid->IsHTMLElement(nsGkAtoms::img)) {
    HTMLImageElement* img = HTMLImageElement::FromNode(aKid);
    if (img) {
    if (img) {
      img->PictureSourceRemoved(aKid->AsContent());
    }
  } else if (aKid && aKid->IsHTMLElement(nsGkAtoms::source)) {
    // Find all img siblings after this <source> to notify them of its demise
    nsCOMPtr<nsIContent> nextSibling = aKid->GetNextSibling();
    nsCOMPtr<nsIContent> nextSibling = aKid->GetNextSibling();
    if (nextSibling && nextSibling->GetParentNode() == this) {
      do {
        HTMLImageElement* img = HTMLImageElement::FromNode(nextSibling);
        if (img) {
          img->PictureSourceRemoved(aKid->AsContent());
          img->PictureSourceRemoved(aKid->AsContent());
        }
      } while ((nextSibling = nextSibling->GetNextSibling()));
    }
  }


  nsGenericHTMLElement::RemoveChildNode(aKid, aNotify);
}

nsresult HTMLPictureElement::InsertChildBefore(nsIContent* aKid,
                                               nsIContent* aBeforeThis,
                                               nsIContent* aBeforeThis,
                                               bool aNotify) {
  nsresult rv =
      nsGenericHTMLElement::InsertChildBefore(aKid, aBeforeThis, aNotify);

  NS_ENSURE_SUCCESS(rv, rv);
  NS_ENSURE_SUCCESS(rv, rv);
  NS_ENSURE_TRUE(aKid, rv);

  if (aKid->IsHTMLElement(nsGkAtoms::img)) {
    HTMLImageElement* img = HTMLImageElement::FromNode(aKid);
    if (img) {
    if (img) {
      img->PictureSourceAdded(aKid->AsContent());
    }
  } else if (aKid->IsHTMLElement(nsGkAtoms::source)) {
    // Find all img siblings after this <source> to notify them of its insertion
    nsCOMPtr<nsIContent> nextSibling = aKid->GetNextSibling();
    if (nextSibling && nextSibling->GetParentNode() == this) {
      do {
      do {
        HTMLImageElement* img = HTMLImageElement::FromNode(nextSibling);
        if (img) {
          img->PictureSourceAdded(aKid->AsContent());
          img->PictureSourceAdded(aKid->AsContent());
        }
      } while ((nextSibling = nextSibling->GetNextSibling()));
    }
  }


  return rv;
}

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

}  // namespace dom
}  // namespace mozilla
}  // namespace mozilla