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lightning-sunbird  0.9+nobinonly
nsXBLInsertionPoint.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Original Author: David W. Hyatt (hyatt@netscape.com)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
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00031  * use your version of this file under the terms of the MPL, indicate your
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00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsXBLInsertionPoint.h"
00040 
00041 nsXBLInsertionPoint::nsXBLInsertionPoint(nsIContent* aParentElement,
00042                                          PRUint32 aIndex,
00043                                          nsIContent* aDefaultContent)
00044   : mParentElement(aParentElement),
00045     mIndex(aIndex),
00046     mDefaultContentTemplate(aDefaultContent)
00047 {
00048 }
00049 
00050 nsXBLInsertionPoint::~nsXBLInsertionPoint()
00051 {
00052 }
00053 
00054 nsrefcnt
00055 nsXBLInsertionPoint::Release()
00056 {
00057   --mRefCnt;
00058   NS_LOG_RELEASE(this, mRefCnt, "nsXBLInsertionPoint");
00059   if (mRefCnt == 0) {
00060     mRefCnt = 1;
00061     delete this;
00062     return 0;
00063   }
00064   return mRefCnt;
00065 }
00066 
00067 already_AddRefed<nsIContent>
00068 nsXBLInsertionPoint::GetInsertionParent()
00069 {
00070   NS_IF_ADDREF(mParentElement);
00071   return mParentElement;
00072 }
00073 
00074 already_AddRefed<nsIContent>
00075 nsXBLInsertionPoint::GetDefaultContent()
00076 {
00077   nsIContent* defaultContent = mDefaultContent;
00078   NS_IF_ADDREF(defaultContent);
00079   return defaultContent;
00080 }
00081 
00082 already_AddRefed<nsIContent>
00083 nsXBLInsertionPoint::GetDefaultContentTemplate()
00084 {
00085   nsIContent* defaultContent = mDefaultContentTemplate;
00086   NS_IF_ADDREF(defaultContent);
00087   return defaultContent;
00088 }
00089 
00090 already_AddRefed<nsIContent>
00091 nsXBLInsertionPoint::ChildAt(PRUint32 aIndex)
00092 {
00093   nsIContent* result = mElements.ObjectAt(aIndex);
00094   NS_IF_ADDREF(result);
00095   return result;
00096 }
00097 
00098 PRBool
00099 nsXBLInsertionPoint::Matches(nsIContent* aContent, PRUint32 aIndex)
00100 {
00101   return (aContent == mParentElement && mIndex != -1 && ((PRInt32)aIndex) == mIndex);
00102 }