2001-09-25 22:53:13 +00:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2012-05-21 11:12:37 +00:00
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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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1998-12-01 18:35:49 +00:00
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2018-03-22 14:07:36 +00:00
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#ifndef TransactionItem_h
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#define TransactionItem_h
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1998-12-01 18:35:49 +00:00
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2008-12-10 16:46:36 +00:00
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#include "nsCOMPtr.h"
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2013-01-04 06:54:26 +00:00
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#include "nsCOMArray.h"
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2009-05-09 04:59:25 +00:00
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#include "nsCycleCollectionParticipant.h"
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2012-07-13 06:33:42 +00:00
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#include "nsISupportsImpl.h"
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#include "nscore.h"
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2008-12-10 16:46:36 +00:00
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2012-07-13 06:33:42 +00:00
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class nsITransaction;
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1998-12-01 18:35:49 +00:00
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2018-03-22 13:15:54 +00:00
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namespace mozilla {
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2018-03-22 13:15:54 +00:00
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class TransactionManager;
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2018-03-22 14:30:48 +00:00
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class TransactionStack;
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2018-03-22 14:07:36 +00:00
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class TransactionItem final
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1998-12-01 18:35:49 +00:00
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{
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public:
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explicit TransactionItem(nsITransaction* aTransaction);
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2014-03-27 20:38:33 +00:00
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NS_METHOD_(MozExternalRefCountType) AddRef();
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NS_METHOD_(MozExternalRefCountType) Release();
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1998-12-01 18:35:49 +00:00
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2018-03-22 14:07:36 +00:00
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NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(TransactionItem)
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2009-05-09 04:59:25 +00:00
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2018-03-22 14:07:36 +00:00
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nsresult AddChild(TransactionItem* aTransactionItem);
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2012-06-19 13:23:36 +00:00
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already_AddRefed<nsITransaction> GetTransaction();
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2018-03-22 13:15:54 +00:00
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nsresult GetIsBatch(bool *aIsBatch);
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nsresult GetNumberOfChildren(int32_t *aNumChildren);
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nsresult GetChild(int32_t aIndex, TransactionItem** aChild);
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1998-12-01 18:35:49 +00:00
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2018-03-22 13:15:54 +00:00
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nsresult DoTransaction();
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nsresult UndoTransaction(TransactionManager* aTransactionManager);
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nsresult RedoTransaction(TransactionManager* aTransactionManager);
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1998-12-01 18:35:49 +00:00
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2013-01-04 06:54:26 +00:00
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nsCOMArray<nsISupports>& GetData()
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{
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return mData;
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}
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1998-12-01 18:35:49 +00:00
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private:
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2018-03-22 14:07:36 +00:00
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nsresult UndoChildren(TransactionManager* aTransactionManager);
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nsresult RedoChildren(TransactionManager* aTransactionManager);
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1998-12-01 18:35:49 +00:00
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2018-03-22 14:07:36 +00:00
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nsresult RecoverFromUndoError(TransactionManager* aTransactionManager);
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nsresult RecoverFromRedoError(TransactionManager* aTransactionManager);
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1998-12-04 21:50:09 +00:00
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2018-03-22 13:15:54 +00:00
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nsresult GetNumberOfUndoItems(int32_t* aNumItems);
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nsresult GetNumberOfRedoItems(int32_t* aNumItems);
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2012-08-24 16:50:06 +00:00
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2013-07-09 17:30:58 +00:00
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void CleanUp();
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2018-03-22 13:15:54 +00:00
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2018-03-22 14:07:36 +00:00
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~TransactionItem();
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2014-06-23 22:40:02 +00:00
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2012-08-24 16:50:06 +00:00
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nsCycleCollectingAutoRefCnt mRefCnt;
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NS_DECL_OWNINGTHREAD
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2018-03-22 14:07:36 +00:00
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nsCOMArray<nsISupports> mData;
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nsCOMPtr<nsITransaction> mTransaction;
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2018-03-22 14:30:48 +00:00
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TransactionStack* mUndoStack;
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TransactionStack* mRedoStack;
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1998-12-01 18:35:49 +00:00
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};
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2018-03-22 14:07:36 +00:00
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} // namespace mozilla
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#endif // #ifndef TransactionItem_h
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