Free the (distributed) Lizard! Automatic merge from CVS: Module mozilla: tag HG_REPO_INITIAL_IMPORT at 22 Mar 2007 10:30 PDT,
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
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*
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* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#include "nsITransactionManager.h"
#include "nsTransactionItem.h"
#include "nsTransactionList.h"
#include "nsTransactionStack.h"
NS_IMPL_ISUPPORTS1(nsTransactionList, nsITransactionList)
nsTransactionList::nsTransactionList(nsITransactionManager *aTxnMgr, nsTransactionStack *aTxnStack)
: mTxnStack(aTxnStack)
, mTxnItem(0)
{
if (aTxnMgr)
mTxnMgr = do_GetWeakReference(aTxnMgr);
}
nsTransactionList::nsTransactionList(nsITransactionManager *aTxnMgr, nsTransactionItem *aTxnItem)
: mTxnStack(0)
, mTxnItem(aTxnItem)
{
if (aTxnMgr)
mTxnMgr = do_GetWeakReference(aTxnMgr);
}
nsTransactionList::~nsTransactionList()
{
mTxnStack = 0;
mTxnItem = 0;
}
/* readonly attribute long numItems; */
NS_IMETHODIMP nsTransactionList::GetNumItems(PRInt32 *aNumItems)
{
if (!aNumItems)
return NS_ERROR_NULL_POINTER;
*aNumItems = 0;
nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr);
if (!txMgr)
return NS_ERROR_FAILURE;
nsresult result = NS_ERROR_FAILURE;
if (mTxnStack)
result = mTxnStack->GetSize(aNumItems);
else if (mTxnItem)
result = mTxnItem->GetNumberOfChildren(aNumItems);
return result;
}
/* boolean itemIsBatch (in long aIndex); */
NS_IMETHODIMP nsTransactionList::ItemIsBatch(PRInt32 aIndex, PRBool *aIsBatch)
{
if (!aIsBatch)
return NS_ERROR_NULL_POINTER;
*aIsBatch = PR_FALSE;
nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr);
if (!txMgr)
return NS_ERROR_FAILURE;
nsTransactionItem *item = 0;
nsresult result = NS_ERROR_FAILURE;
if (mTxnStack)
result = mTxnStack->GetItem(aIndex, &item);
else if (mTxnItem)
result = mTxnItem->GetChild(aIndex, &item);
if (NS_FAILED(result))
return result;
if (!item)
return NS_ERROR_FAILURE;
return item->GetIsBatch(aIsBatch);
}
/* nsITransaction getItem (in long aIndex); */
NS_IMETHODIMP nsTransactionList::GetItem(PRInt32 aIndex, nsITransaction **aItem)
{
if (!aItem)
return NS_ERROR_NULL_POINTER;
*aItem = 0;
nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr);
if (!txMgr)
return NS_ERROR_FAILURE;
nsTransactionItem *item = 0;
nsresult result = NS_ERROR_FAILURE;
if (mTxnStack)
result = mTxnStack->GetItem(aIndex, &item);
else if (mTxnItem)
result = mTxnItem->GetChild(aIndex, &item);
if (NS_FAILED(result))
return result;
if (!item)
return NS_ERROR_FAILURE;
result = item->GetTransaction(aItem);
if (NS_FAILED(result))
return result;
NS_IF_ADDREF(*aItem);
return NS_OK;
}
/* long getNumChildrenForItem (in long aIndex); */
NS_IMETHODIMP nsTransactionList::GetNumChildrenForItem(PRInt32 aIndex, PRInt32 *aNumChildren)
{
if (!aNumChildren)
return NS_ERROR_NULL_POINTER;
*aNumChildren = 0;
nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr);
if (!txMgr)
return NS_ERROR_FAILURE;
nsTransactionItem *item = 0;
nsresult result = NS_ERROR_FAILURE;
if (mTxnStack)
result = mTxnStack->GetItem(aIndex, &item);
else if (mTxnItem)
result = mTxnItem->GetChild(aIndex, &item);
if (NS_FAILED(result))
return result;
if (!item)
return NS_ERROR_FAILURE;
return item->GetNumberOfChildren(aNumChildren);
}
/* nsITransactionList getChildListForItem (in long aIndex); */
NS_IMETHODIMP nsTransactionList::GetChildListForItem(PRInt32 aIndex, nsITransactionList **aTxnList)
{
if (!aTxnList)
return NS_ERROR_NULL_POINTER;
*aTxnList = 0;
nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr);
if (!txMgr)
return NS_ERROR_FAILURE;
nsTransactionItem *item = 0;
nsresult result = NS_ERROR_FAILURE;
if (mTxnStack)
result = mTxnStack->GetItem(aIndex, &item);
else if (mTxnItem)
result = mTxnItem->GetChild(aIndex, &item);
if (NS_FAILED(result))
return result;
if (!item)
return NS_ERROR_FAILURE;
*aTxnList = (nsITransactionList *)new nsTransactionList(txMgr, item);
if (!*aTxnList)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aTxnList);
return NS_OK;
}