gecko-dev/dom/base/ChromeNodeList.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/ChromeNodeList.h"

#include <new>
#include <utility>
#include "mozilla/ErrorResult.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/ChromeNodeListBinding.h"
#include "mozilla/dom/Document.h"
#include "nsCOMPtr.h"
#include "nsINode.h"
#include "nsISupports.h"
#include "nsPIDOMWindow.h"
#include "nsString.h"
#include "nsTArray.h"

using namespace mozilla;
using namespace mozilla::dom;

already_AddRefed<ChromeNodeList> ChromeNodeList::Constructor(
    const GlobalObject& aGlobal) {
  nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(aGlobal.GetAsSupports());
  Document* root = win ? win->GetExtantDoc() : nullptr;
  RefPtr<ChromeNodeList> list = new ChromeNodeList(root);
  return list.forget();
}

JSObject* ChromeNodeList::WrapObject(JSContext* aCx,
                                     JS::Handle<JSObject*> aGivenProto) {
  return ChromeNodeList_Binding::Wrap(aCx, this, aGivenProto);
}

void ChromeNodeList::Append(nsINode& aNode, ErrorResult& aError) {
  if (!aNode.IsContent()) {
    // nsINodeList deals with nsIContent objects only, so need to
    // filter out other nodes for now.
    aError.ThrowTypeError("The node passed in is not a ChildNode");
    return;
  }

  AppendElement(aNode.AsContent());
}

void ChromeNodeList::Remove(nsINode& aNode, ErrorResult& aError) {
  if (!aNode.IsContent()) {
    aError.ThrowTypeError("The node passed in is not a ChildNode");
    return;
  }

  RemoveElement(aNode.AsContent());
}