content/xbl/src/nsXBLInsertionPoint.cpp
author ctalbert@mozilla.com
Mon, 10 Sep 2007 15:01:06 -0700
changeset 5843 79e8c861a0dd70389b8ea77092fbff989b24cd2f
parent 1829 b42f911e329e41ee710ff7450f34968c5af71b04
child 7200 38eb784bf571da848f1e2062211ca670fd8b07f8
permissions -rw-r--r--
Bug 395466 Checking in patch by Ben_H for QA Extension

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Original Author: David W. Hyatt (hyatt@netscape.com)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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#include "nsXBLInsertionPoint.h"

nsXBLInsertionPoint::nsXBLInsertionPoint(nsIContent* aParentElement,
                                         PRUint32 aIndex,
                                         nsIContent* aDefaultContent)
  : mParentElement(aParentElement),
    mIndex(aIndex),
    mDefaultContentTemplate(aDefaultContent)
{
}

nsXBLInsertionPoint::~nsXBLInsertionPoint()
{
}

nsrefcnt
nsXBLInsertionPoint::Release()
{
  --mRefCnt;
  NS_LOG_RELEASE(this, mRefCnt, "nsXBLInsertionPoint");
  if (mRefCnt == 0) {
    mRefCnt = 1;
    delete this;
    return 0;
  }
  return mRefCnt;
}

NS_IMPL_CYCLE_COLLECTION_NATIVE_CLASS(nsXBLInsertionPoint)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_NATIVE(nsXBLInsertionPoint)
  NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMARRAY(mElements)
  NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDefaultContentTemplate)
  NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDefaultContent)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NATIVE_BEGIN(nsXBLInsertionPoint)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMARRAY(mElements)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDefaultContentTemplate)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDefaultContent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(nsXBLInsertionPoint, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(nsXBLInsertionPoint, Release)

already_AddRefed<nsIContent>
nsXBLInsertionPoint::GetInsertionParent()
{
  NS_IF_ADDREF(mParentElement);
  return mParentElement;
}

already_AddRefed<nsIContent>
nsXBLInsertionPoint::GetDefaultContent()
{
  nsIContent* defaultContent = mDefaultContent;
  NS_IF_ADDREF(defaultContent);
  return defaultContent;
}

already_AddRefed<nsIContent>
nsXBLInsertionPoint::GetDefaultContentTemplate()
{
  nsIContent* defaultContent = mDefaultContentTemplate;
  NS_IF_ADDREF(defaultContent);
  return defaultContent;
}

already_AddRefed<nsIContent>
nsXBLInsertionPoint::ChildAt(PRUint32 aIndex)
{
  nsIContent* result = mElements.ObjectAt(aIndex);
  NS_IF_ADDREF(result);
  return result;
}

PRBool
nsXBLInsertionPoint::Matches(nsIContent* aContent, PRUint32 aIndex)
{
  return (aContent == mParentElement && mIndex != -1 && ((PRInt32)aIndex) == mIndex);
}