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109 lines
3.5 KiB
C++
109 lines
3.5 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.org 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) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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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#ifndef SetDocTitleTxn_h__
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#define SetDocTitleTxn_h__
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#include "EditTxn.h"
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#include "nsIEditor.h"
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#include "nsIHTMLEditor.h"
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#include "nsITransaction.h"
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#include "nsCOMPtr.h"
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#define SET_DOC_TITLE_TXN_CID \
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{ /*7FC508B5-ED8F-11d4-AF02-0050040AE132 */ \
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0x7fc508b5, 0xed8f, 0x11d4, \
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{ 0xaf, 0x2, 0x0, 0x50, 0x4, 0xa, 0xe1, 0x32 } }
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/**
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* A transaction that changes the document's title,
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* which is a text node under the <title> tag in a page's <head> section
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* provides default concrete behavior for all nsITransaction methods.
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*/
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class SetDocTitleTxn : public EditTxn
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{
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public:
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static const nsIID& GetCID() { static nsIID iid = SET_DOC_TITLE_TXN_CID; return iid; }
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virtual ~SetDocTitleTxn();
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/** Initialize the transaction.
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* @param aEditor the object providing core editing operations
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* @param aValue the new value for document title
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*/
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NS_IMETHOD Init(nsIHTMLEditor *aEditor,
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const nsAReadableString *aValue);
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private:
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SetDocTitleTxn();
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nsresult SetDocTitle(const nsAReadableString& aTitle);
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nsresult SetDomTitle(const nsAReadableString& aTitle);
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public:
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NS_IMETHOD DoTransaction(void);
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NS_IMETHOD UndoTransaction(void);
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NS_IMETHOD RedoTransaction(void);
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NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *aDidMerge);
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NS_IMETHOD GetIsTransient(PRBool *aIsTransient);
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NS_IMETHOD GetTxnDescription(nsAWritableString& aTxnDescription);
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protected:
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/** the editor that created this transaction */
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nsIHTMLEditor* mEditor;
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/** The new title string */
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nsString mValue;
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/** The previous title string to use for undo */
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nsString mUndoValue;
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/** Set true if we dont' really change the title during Do() */
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PRPackedBool mIsTransient;
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friend class TransactionFactory;
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};
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#endif
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