/* -*- 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/. */

/*

 * Implementation of DOM Core's DocumentFragment.

 */

#include "mozilla/dom/DocumentFragment.h"

#include "mozilla/dom/Element.h" // for NS_IMPL_ELEMENT_CLONE

#include "mozilla/dom/NodeInfo.h"

#include "nsNodeInfoManager.h"

#include "nsError.h"

#include "nsGkAtoms.h"

#include "nsDOMString.h"

#include "nsContentUtils.h" // for NS_INTERFACE_MAP_ENTRY_TEAROFF

#include "mozilla/dom/DocumentFragmentBinding.h"

#include "nsPIDOMWindow.h"

#include "nsIDocument.h"

#include "mozilla/IntegerPrintfMacros.h"

namespace mozilla {

namespace dom {

JSObject*

DocumentFragment::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)

{

  return DocumentFragment_Binding::Wrap(aCx, this, aGivenProto);

}

bool

DocumentFragment::IsNodeOfType(uint32_t aFlags) const

{

  return false;

}

#ifdef DEBUG

void

DocumentFragment::List(FILE* out, int32_t aIndent) const

{

  int32_t indent;

  for (indent = aIndent; --indent >= 0; ) {

    fputs("  ", out);

  }

  fprintf(out, "DocumentFragment@%p", (void *)this);

  fprintf(out, " flags=[%08x]", static_cast<unsigned int>(GetFlags()));

  fprintf(out, " refcount=%" PRIuPTR "<", mRefCnt.get());

  nsIContent* child = GetFirstChild();

  if (child) {

    fputs("\n", out);

    for (; child; child = child->GetNextSibling()) {

      child->List(out, aIndent + 1);

    }

    for (indent = aIndent; --indent >= 0; ) {

      fputs("  ", out);

    }

  }

  fputs(">\n", out);

}

void

DocumentFragment::DumpContent(FILE* out, int32_t aIndent,

                              bool aDumpAll) const

{

  int32_t indent;

  for (indent = aIndent; --indent >= 0; ) {

    fputs("  ", out);

  }

  fputs("<DocumentFragment>", out);

  if(aIndent) {

    fputs("\n", out);

  }

  for (nsIContent* child = GetFirstChild();

       child;

       child = child->GetNextSibling()) {

    int32_t indent = aIndent ? aIndent + 1 : 0;

    child->DumpContent(out, indent, aDumpAll);

  }

  for (indent = aIndent; --indent >= 0; ) {

    fputs("  ", out);

  }

  fputs("</DocumentFragment>", out);

  if(aIndent) {

    fputs("\n", out);

  }

}

#endif

/* static */ already_AddRefed<DocumentFragment>

DocumentFragment::Constructor(const GlobalObject& aGlobal,

                              ErrorResult& aRv)

{

  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());

  if (!window || !window->GetDoc()) {

    aRv.Throw(NS_ERROR_FAILURE);

    return nullptr;

  }

  return window->GetDoc()->CreateDocumentFragment();

}

NS_IMPL_CYCLE_COLLECTION_INHERITED(DocumentFragment, FragmentOrElement, mHost)

// QueryInterface implementation for DocumentFragment

NS_INTERFACE_MAP_BEGIN(DocumentFragment)

  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY

  NS_INTERFACE_MAP_ENTRIES_CYCLE_COLLECTION(DocumentFragment)

  NS_INTERFACE_MAP_ENTRY(nsIContent)

  NS_INTERFACE_MAP_ENTRY(nsINode)

  NS_INTERFACE_MAP_ENTRY(mozilla::dom::EventTarget)

  NS_INTERFACE_MAP_ENTRY_TEAROFF(nsISupportsWeakReference,

                                 new nsNodeSupportsWeakRefTearoff(this))

  // DOM bindings depend on the identity pointer being the

  // same as nsINode (which nsIContent inherits).

  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContent)

NS_INTERFACE_MAP_END

NS_IMPL_ADDREF_INHERITED(DocumentFragment, FragmentOrElement)

NS_IMPL_RELEASE_INHERITED(DocumentFragment, FragmentOrElement)

NS_IMPL_ELEMENT_CLONE(DocumentFragment)

} // namespace dom

} // namespace mozilla