1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/editor/txmgr/src/nsTransactionItem.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,67 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsTransactionItem_h__
1.10 +#define nsTransactionItem_h__
1.11 +
1.12 +#include "nsCOMPtr.h"
1.13 +#include "nsCOMArray.h"
1.14 +#include "nsCycleCollectionParticipant.h"
1.15 +#include "nsISupportsImpl.h"
1.16 +#include "nscore.h"
1.17 +
1.18 +class nsITransaction;
1.19 +class nsTransactionManager;
1.20 +class nsTransactionStack;
1.21 +
1.22 +class nsTransactionItem
1.23 +{
1.24 + nsCOMArray<nsISupports> mData;
1.25 + nsCOMPtr<nsITransaction> mTransaction;
1.26 + nsTransactionStack *mUndoStack;
1.27 + nsTransactionStack *mRedoStack;
1.28 +
1.29 +public:
1.30 +
1.31 + nsTransactionItem(nsITransaction *aTransaction);
1.32 + virtual ~nsTransactionItem();
1.33 + NS_METHOD_(MozExternalRefCountType) AddRef();
1.34 + NS_METHOD_(MozExternalRefCountType) Release();
1.35 +
1.36 + NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(nsTransactionItem)
1.37 +
1.38 + virtual nsresult AddChild(nsTransactionItem *aTransactionItem);
1.39 + already_AddRefed<nsITransaction> GetTransaction();
1.40 + virtual nsresult GetIsBatch(bool *aIsBatch);
1.41 + virtual nsresult GetNumberOfChildren(int32_t *aNumChildren);
1.42 + virtual nsresult GetChild(int32_t aIndex, nsTransactionItem **aChild);
1.43 +
1.44 + virtual nsresult DoTransaction(void);
1.45 + virtual nsresult UndoTransaction(nsTransactionManager *aTxMgr);
1.46 + virtual nsresult RedoTransaction(nsTransactionManager *aTxMgr);
1.47 +
1.48 + nsCOMArray<nsISupports>& GetData()
1.49 + {
1.50 + return mData;
1.51 + }
1.52 +
1.53 +private:
1.54 +
1.55 + virtual nsresult UndoChildren(nsTransactionManager *aTxMgr);
1.56 + virtual nsresult RedoChildren(nsTransactionManager *aTxMgr);
1.57 +
1.58 + virtual nsresult RecoverFromUndoError(nsTransactionManager *aTxMgr);
1.59 + virtual nsresult RecoverFromRedoError(nsTransactionManager *aTxMgr);
1.60 +
1.61 + virtual nsresult GetNumberOfUndoItems(int32_t *aNumItems);
1.62 + virtual nsresult GetNumberOfRedoItems(int32_t *aNumItems);
1.63 +
1.64 + void CleanUp();
1.65 +protected:
1.66 + nsCycleCollectingAutoRefCnt mRefCnt;
1.67 + NS_DECL_OWNINGTHREAD
1.68 +};
1.69 +
1.70 +#endif // nsTransactionItem_h__
