176 lines
4.8 KiB
C++
176 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Original Author: David W. Hyatt (hyatt@netscape.com)
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "nsXBLInsertionPoint.h"
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#include "nsIContent.h"
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#include "nsISupportsArray.h"
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nsXBLInsertionPoint::nsXBLInsertionPoint(nsIContent* aParentElement, PRUint32 aIndex, nsIContent* aDefaultContent)
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:mElements(nsnull)
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{
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NS_INIT_REFCNT();
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mParentElement = aParentElement;
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mIndex = aIndex;
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mDefaultContentTemplate = aDefaultContent;
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}
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nsXBLInsertionPoint::~nsXBLInsertionPoint()
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{
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}
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NS_IMPL_ISUPPORTS1(nsXBLInsertionPoint, nsIXBLInsertionPoint)
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NS_IMETHODIMP
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nsXBLInsertionPoint::GetInsertionParent(nsIContent** aParentElement)
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{
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*aParentElement = mParentElement;
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NS_IF_ADDREF(mParentElement);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::GetInsertionIndex(PRInt32 *aResult)
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{
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*aResult = mIndex;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::SetDefaultContent(nsIContent* aDefaultContent)
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{
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mDefaultContent = aDefaultContent;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::GetDefaultContent(nsIContent** aDefaultContent)
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{
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*aDefaultContent = mDefaultContent;
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NS_IF_ADDREF(*aDefaultContent);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::SetDefaultContentTemplate(nsIContent* aDefaultContent)
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{
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mDefaultContentTemplate = aDefaultContent;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::GetDefaultContentTemplate(nsIContent** aDefaultContent)
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{
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*aDefaultContent = mDefaultContentTemplate;
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NS_IF_ADDREF(*aDefaultContent);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::AddChild(nsIContent* aChildElement)
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{
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if (!mElements)
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NS_NewISupportsArray(getter_AddRefs(mElements));
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mElements->AppendElement(aChildElement);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::InsertChildAt(PRInt32 aIndex, nsIContent* aChildElement)
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{
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if (!mElements)
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NS_NewISupportsArray(getter_AddRefs(mElements));
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mElements->InsertElementAt(aChildElement, aIndex);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::RemoveChild(nsIContent* aChildElement)
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{
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if (mElements)
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mElements->RemoveElement(aChildElement);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::ChildCount(PRUint32* aResult)
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{
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*aResult = 0;
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if (mElements)
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mElements->Count(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::ChildAt(PRUint32 aIndex, nsIContent** aResult)
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{
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if (!mElements) {
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*aResult = nsnull;
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return NS_ERROR_FAILURE;
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}
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*aResult = (nsIContent*)(mElements->ElementAt(aIndex)); // Addref happens in return.
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLInsertionPoint::Matches(nsIContent* aContent, PRUint32 aIndex, PRBool* aResult)
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{
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*aResult = (aContent == mParentElement && mIndex != -1 && ((PRInt32)aIndex) == mIndex);
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return NS_OK;
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}
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///////////////////////////////////////////////////////////////////////////////////
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nsresult
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NS_NewXBLInsertionPoint(nsIContent* aParentElement, PRUint32 aIndex, nsIContent* aDefContent,
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nsIXBLInsertionPoint** aResult)
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{
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*aResult = new nsXBLInsertionPoint(aParentElement, aIndex, aDefContent);
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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