gecko-dev/editor/libeditor/EditTxn.h

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1.1 KiB
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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 EditTxn_h__
#define EditTxn_h__
#include "nsCycleCollectionParticipant.h"
#include "nsISupportsImpl.h"
#include "nsITransaction.h"
#include "nsPIEditorTransaction.h"
#include "nscore.h"
/**
* Base class for all document editing transactions.
*/
class EditTxn : public nsITransaction,
public nsPIEditorTransaction
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(EditTxn, nsITransaction)
virtual void LastRelease() {}
NS_IMETHOD RedoTransaction(void);
NS_IMETHOD GetIsTransient(bool *aIsTransient);
NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge);
protected:
virtual ~EditTxn();
};
#define NS_DECL_EDITTXN \
NS_IMETHOD DoTransaction(); \
NS_IMETHOD UndoTransaction(); \
NS_IMETHOD GetTxnDescription(nsAString& aTxnDescription);
#endif