1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/editor/txmgr/src/nsTransactionManager.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,84 @@
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 nsTransactionManager_h__
1.10 +#define nsTransactionManager_h__
1.11 +
1.12 +#include "nsCOMArray.h"
1.13 +#include "nsCOMPtr.h"
1.14 +#include "nsCycleCollectionParticipant.h"
1.15 +#include "nsTransactionStack.h"
1.16 +#include "nsISupportsImpl.h"
1.17 +#include "nsITransactionManager.h"
1.18 +#include "nsTransactionStack.h"
1.19 +#include "nsWeakReference.h"
1.20 +#include "nscore.h"
1.21 +
1.22 +class nsITransaction;
1.23 +class nsITransactionListener;
1.24 +class nsTransactionItem;
1.25 +
1.26 +/** implementation of a transaction manager object.
1.27 + *
1.28 + */
1.29 +class nsTransactionManager : public nsITransactionManager
1.30 + , public nsSupportsWeakReference
1.31 +{
1.32 +private:
1.33 +
1.34 + int32_t mMaxTransactionCount;
1.35 + nsTransactionStack mDoStack;
1.36 + nsTransactionStack mUndoStack;
1.37 + nsTransactionStack mRedoStack;
1.38 + nsCOMArray<nsITransactionListener> mListeners;
1.39 +
1.40 +public:
1.41 +
1.42 + /** The default constructor.
1.43 + */
1.44 + nsTransactionManager(int32_t aMaxTransactionCount=-1);
1.45 +
1.46 + /** The default destructor.
1.47 + */
1.48 + virtual ~nsTransactionManager();
1.49 +
1.50 + /* Macro for AddRef(), Release(), and QueryInterface() */
1.51 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.52 + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTransactionManager,
1.53 + nsITransactionManager)
1.54 +
1.55 + /* nsITransactionManager method implementations. */
1.56 + NS_DECL_NSITRANSACTIONMANAGER
1.57 +
1.58 + already_AddRefed<nsITransaction> PeekUndoStack();
1.59 + already_AddRefed<nsITransaction> PeekRedoStack();
1.60 +
1.61 + virtual nsresult WillDoNotify(nsITransaction *aTransaction, bool *aInterrupt);
1.62 + virtual nsresult DidDoNotify(nsITransaction *aTransaction, nsresult aExecuteResult);
1.63 + virtual nsresult WillUndoNotify(nsITransaction *aTransaction, bool *aInterrupt);
1.64 + virtual nsresult DidUndoNotify(nsITransaction *aTransaction, nsresult aUndoResult);
1.65 + virtual nsresult WillRedoNotify(nsITransaction *aTransaction, bool *aInterrupt);
1.66 + virtual nsresult DidRedoNotify(nsITransaction *aTransaction, nsresult aRedoResult);
1.67 + virtual nsresult WillBeginBatchNotify(bool *aInterrupt);
1.68 + virtual nsresult DidBeginBatchNotify(nsresult aResult);
1.69 + virtual nsresult WillEndBatchNotify(bool *aInterrupt);
1.70 + virtual nsresult DidEndBatchNotify(nsresult aResult);
1.71 + virtual nsresult WillMergeNotify(nsITransaction *aTop,
1.72 + nsITransaction *aTransaction,
1.73 + bool *aInterrupt);
1.74 + virtual nsresult DidMergeNotify(nsITransaction *aTop,
1.75 + nsITransaction *aTransaction,
1.76 + bool aDidMerge,
1.77 + nsresult aMergeResult);
1.78 +
1.79 +private:
1.80 +
1.81 + /* nsTransactionManager specific private methods. */
1.82 + virtual nsresult BeginTransaction(nsITransaction *aTransaction,
1.83 + nsISupports *aData);
1.84 + virtual nsresult EndTransaction(bool aAllowEmpty);
1.85 +};
1.86 +
1.87 +#endif // nsTransactionManager_h__
