51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef EditAggregateTxn_h__
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#define EditAggregateTxn_h__
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#include "EditTxn.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIAtom.h"
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#include "nsISupportsImpl.h"
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#include "nsTArray.h"
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#include "nscore.h"
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class nsITransaction;
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/**
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* base class for all document editing transactions that require aggregation.
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* provides a list of child transactions.
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*/
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class EditAggregateTxn : public EditTxn
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{
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public:
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EditAggregateTxn();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(EditAggregateTxn, EditTxn)
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NS_DECL_EDITTXN
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NS_IMETHOD RedoTransaction() override;
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NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge) override;
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/** append a transaction to this aggregate */
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NS_IMETHOD AppendChild(EditTxn *aTxn);
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/** get the name assigned to this txn */
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NS_IMETHOD GetName(nsIAtom **aName);
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protected:
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virtual ~EditAggregateTxn();
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nsTArray< RefPtr<EditTxn> > mChildren;
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nsCOMPtr<nsIAtom> mName;
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};
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#endif
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