gecko/editor/libeditor/base/SetDocTitleTxn.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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
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* Software distributed under the License is distributed on an "AS IS" basis,
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* License.
*
* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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#ifndef SetDocTitleTxn_h__
#define SetDocTitleTxn_h__
#include "EditTxn.h"
#include "nsIEditor.h"
#include "nsIHTMLEditor.h"
#include "nsITransaction.h"
#include "nsCOMPtr.h"
/**
* A transaction that changes the document's title,
* which is a text node under the <title> tag in a page's <head> section
* provides default concrete behavior for all nsITransaction methods.
*/
class SetDocTitleTxn : public EditTxn
{
public:
/** Initialize the transaction.
* @param aEditor the object providing core editing operations
* @param aValue the new value for document title
*/
NS_IMETHOD Init(nsIHTMLEditor *aEditor,
const nsAString *aValue);
SetDocTitleTxn();
private:
nsresult SetDomTitle(const nsAString& aTitle);
public:
NS_DECL_EDITTXN
NS_IMETHOD RedoTransaction();
NS_IMETHOD GetIsTransient(PRBool *aIsTransient);
protected:
/** the editor that created this transaction */
nsIHTMLEditor* mEditor;
/** The new title string */
nsString mValue;
/** The previous title string to use for undo */
nsString mUndoValue;
/** Set true if we dont' really change the title during Do() */
PRPackedBool mIsTransient;
};
#endif