gecko/editor/libeditor/base/SetDocTitleTxn.h

87 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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