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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef SetDocumentTitleTransaction_h
#define SetDocumentTitleTransaction_h
#include "mozilla/EditTransactionBase.h" // for EditTransactionBase, etc.
#include "nsString.h" // for nsString
#include "nscore.h" // for NS_IMETHOD, nsAString, etc.
class nsIHTMLEditor;
namespace mozilla {
/**
* 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 SetDocumentTitleTransaction final : public EditTransactionBase
{
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);
SetDocumentTitleTransaction();
private:
nsresult SetDomTitle(const nsAString& aTitle);
public:
NS_DECL_EDITTRANSACTIONBASE
NS_IMETHOD RedoTransaction() override;
NS_IMETHOD GetIsTransient(bool *aIsTransient) override;
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().
bool mIsTransient;
};
} // namespace mozilla
#endif // #ifndef SetDocumentTitleTransaction_h
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