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comparison: editor/txmgr/src/nsTransactionManager.h
editor/txmgr/src/nsTransactionManager.h
- changeset 2
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsTransactionManager_h__ | |
| 7 #define nsTransactionManager_h__ | |
| 8 | |
| 9 #include "nsCOMArray.h" | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsCycleCollectionParticipant.h" | |
| 12 #include "nsTransactionStack.h" | |
| 13 #include "nsISupportsImpl.h" | |
| 14 #include "nsITransactionManager.h" | |
| 15 #include "nsTransactionStack.h" | |
| 16 #include "nsWeakReference.h" | |
| 17 #include "nscore.h" | |
| 18 | |
| 19 class nsITransaction; | |
| 20 class nsITransactionListener; | |
| 21 class nsTransactionItem; | |
| 22 | |
| 23 /** implementation of a transaction manager object. | |
| 24 * | |
| 25 */ | |
| 26 class nsTransactionManager : public nsITransactionManager | |
| 27 , public nsSupportsWeakReference | |
| 28 { | |
| 29 private: | |
| 30 | |
| 31 int32_t mMaxTransactionCount; | |
| 32 nsTransactionStack mDoStack; | |
| 33 nsTransactionStack mUndoStack; | |
| 34 nsTransactionStack mRedoStack; | |
| 35 nsCOMArray<nsITransactionListener> mListeners; | |
| 36 | |
| 37 public: | |
| 38 | |
| 39 /** The default constructor. | |
| 40 */ | |
| 41 nsTransactionManager(int32_t aMaxTransactionCount=-1); | |
| 42 | |
| 43 /** The default destructor. | |
| 44 */ | |
| 45 virtual ~nsTransactionManager(); | |
| 46 | |
| 47 /* Macro for AddRef(), Release(), and QueryInterface() */ | |
| 48 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 49 NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTransactionManager, | |
| 50 nsITransactionManager) | |
| 51 | |
| 52 /* nsITransactionManager method implementations. */ | |
| 53 NS_DECL_NSITRANSACTIONMANAGER | |
| 54 | |
| 55 already_AddRefed<nsITransaction> PeekUndoStack(); | |
| 56 already_AddRefed<nsITransaction> PeekRedoStack(); | |
| 57 | |
| 58 virtual nsresult WillDoNotify(nsITransaction *aTransaction, bool *aInterrupt); | |
| 59 virtual nsresult DidDoNotify(nsITransaction *aTransaction, nsresult aExecuteResult); | |
| 60 virtual nsresult WillUndoNotify(nsITransaction *aTransaction, bool *aInterrupt); | |
| 61 virtual nsresult DidUndoNotify(nsITransaction *aTransaction, nsresult aUndoResult); | |
| 62 virtual nsresult WillRedoNotify(nsITransaction *aTransaction, bool *aInterrupt); | |
| 63 virtual nsresult DidRedoNotify(nsITransaction *aTransaction, nsresult aRedoResult); | |
| 64 virtual nsresult WillBeginBatchNotify(bool *aInterrupt); | |
| 65 virtual nsresult DidBeginBatchNotify(nsresult aResult); | |
| 66 virtual nsresult WillEndBatchNotify(bool *aInterrupt); | |
| 67 virtual nsresult DidEndBatchNotify(nsresult aResult); | |
| 68 virtual nsresult WillMergeNotify(nsITransaction *aTop, | |
| 69 nsITransaction *aTransaction, | |
| 70 bool *aInterrupt); | |
| 71 virtual nsresult DidMergeNotify(nsITransaction *aTop, | |
| 72 nsITransaction *aTransaction, | |
| 73 bool aDidMerge, | |
| 74 nsresult aMergeResult); | |
| 75 | |
| 76 private: | |
| 77 | |
| 78 /* nsTransactionManager specific private methods. */ | |
| 79 virtual nsresult BeginTransaction(nsITransaction *aTransaction, | |
| 80 nsISupports *aData); | |
| 81 virtual nsresult EndTransaction(bool aAllowEmpty); | |
| 82 }; | |
| 83 | |
| 84 #endif // nsTransactionManager_h__ |
