mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 12:15:51 +00:00
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
|
|
#include "nsEditorUtils.h"
|
|
#include "nsIDOMDocument.h"
|
|
|
|
|
|
/******************************************************************************
|
|
* nsAutoSelectionReset
|
|
*****************************************************************************/
|
|
|
|
nsAutoSelectionReset::nsAutoSelectionReset(nsIDOMSelection *aSel)
|
|
{
|
|
mInitialized = PR_FALSE;
|
|
mSel = do_QueryInterface(aSel);
|
|
if (mSel)
|
|
{
|
|
mSel->GetAnchorNode(getter_AddRefs(mStartNode));
|
|
mSel->GetAnchorOffset(&mStartOffset);
|
|
mSel->GetFocusNode(getter_AddRefs(mEndNode));
|
|
mSel->GetFocusOffset(&mEndOffset);
|
|
if (mStartNode && mEndNode)
|
|
mInitialized = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
nsAutoSelectionReset::~nsAutoSelectionReset()
|
|
{
|
|
if (mSel && mInitialized)
|
|
{
|
|
// make sure that mStartNode and mEndNode are still in a document
|
|
nsCOMPtr<nsIDOMDocument> docStart;
|
|
nsresult res = mStartNode->GetOwnerDocument(getter_AddRefs(docStart));
|
|
if (NS_SUCCEEDED(res) && docStart)
|
|
{
|
|
nsCOMPtr<nsIDOMDocument> docEnd;
|
|
res = mEndNode->GetOwnerDocument(getter_AddRefs(docEnd));
|
|
if (NS_SUCCEEDED(res) && (docStart == docEnd))
|
|
{
|
|
// restore original selection
|
|
mSel->Collapse(mStartNode, mStartOffset);
|
|
mSel->Extend(mEndNode, mEndOffset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|