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--HG-- rename : editor/txmgr/idl/nsITransaction.idl => editor/txmgr/nsITransaction.idl rename : editor/txmgr/idl/nsITransactionList.idl => editor/txmgr/nsITransactionList.idl rename : editor/txmgr/idl/nsITransactionListener.idl => editor/txmgr/nsITransactionListener.idl rename : editor/txmgr/idl/nsITransactionManager.idl => editor/txmgr/nsITransactionManager.idl rename : editor/txmgr/src/nsTransactionItem.cpp => editor/txmgr/nsTransactionItem.cpp rename : editor/txmgr/src/nsTransactionItem.h => editor/txmgr/nsTransactionItem.h rename : editor/txmgr/src/nsTransactionList.cpp => editor/txmgr/nsTransactionList.cpp rename : editor/txmgr/src/nsTransactionList.h => editor/txmgr/nsTransactionList.h rename : editor/txmgr/src/nsTransactionManager.cpp => editor/txmgr/nsTransactionManager.cpp rename : editor/txmgr/src/nsTransactionManager.h => editor/txmgr/nsTransactionManager.h rename : editor/txmgr/public/nsTransactionManagerCID.h => editor/txmgr/nsTransactionManagerCID.h rename : editor/txmgr/src/nsTransactionManagerFactory.cpp => editor/txmgr/nsTransactionManagerFactory.cpp rename : editor/txmgr/src/nsTransactionStack.cpp => editor/txmgr/nsTransactionStack.cpp rename : editor/txmgr/src/nsTransactionStack.h => editor/txmgr/nsTransactionStack.h
40 lines
1.1 KiB
C++
40 lines
1.1 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 nsTransactionStack_h__
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#define nsTransactionStack_h__
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#include <deque>
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#include "nsAutoPtr.h"
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class nsCycleCollectionTraversalCallback;
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class nsTransactionItem;
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class nsTransactionStack
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{
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public:
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enum Type { FOR_UNDO, FOR_REDO };
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explicit nsTransactionStack(Type aType);
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~nsTransactionStack();
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void Push(nsTransactionItem *aTransactionItem);
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already_AddRefed<nsTransactionItem> Pop();
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already_AddRefed<nsTransactionItem> PopBottom();
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already_AddRefed<nsTransactionItem> Peek();
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already_AddRefed<nsTransactionItem> GetItem(int32_t aIndex);
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void Clear();
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int32_t GetSize() { return mDeque.size(); }
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void DoUnlink() { Clear(); }
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void DoTraverse(nsCycleCollectionTraversalCallback &cb);
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private:
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std::deque<nsRefPtr<nsTransactionItem> > mDeque;
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const Type mType;
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};
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#endif // nsTransactionStack_h__
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