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58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsEditorUtils.h"
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#include "nsIDOMDocument.h"
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/******************************************************************************
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* nsAutoSelectionReset
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*****************************************************************************/
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nsAutoSelectionReset::nsAutoSelectionReset(nsIDOMSelection *aSel, nsEditor *aEd) :
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mSel(nsnull)
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,mEd(nsnull)
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{
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if (!aSel || !aEd) return; // not much we can do, bail.
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if (aEd->mSavedSel) return; // we already have initted mSavedSel, so this must be nested call.
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mSel = do_QueryInterface(aSel);
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mEd = aEd;
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if (mSel)
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{
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mEd->mSavedSel = new nsSelectionState();
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mEd->mSavedSel->SaveSelection(mSel);
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}
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}
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nsAutoSelectionReset::~nsAutoSelectionReset()
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{
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if (mSel && mEd->mSavedSel) // mSel will be null if this was nested call
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{
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mEd->mSavedSel->RestoreSelection(mSel);
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delete mEd->mSavedSel;
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mEd->mSavedSel = nsnull;
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}
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}
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