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comparison: editor/libeditor/base/DeleteNodeTxn.h
editor/libeditor/base/DeleteNodeTxn.h
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- 6474c204b198
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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 DeleteNodeTxn_h__ | |
| 7 #define DeleteNodeTxn_h__ | |
| 8 | |
| 9 #include "EditTxn.h" | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsCycleCollectionParticipant.h" | |
| 12 #include "nsIContent.h" | |
| 13 #include "nsINode.h" | |
| 14 #include "nsISupportsImpl.h" | |
| 15 #include "nscore.h" | |
| 16 | |
| 17 class nsEditor; | |
| 18 class nsRangeUpdater; | |
| 19 | |
| 20 /** | |
| 21 * A transaction that deletes a single element | |
| 22 */ | |
| 23 class DeleteNodeTxn : public EditTxn | |
| 24 { | |
| 25 public: | |
| 26 /** initialize the transaction. | |
| 27 * @param aElement the node to delete | |
| 28 */ | |
| 29 nsresult Init(nsEditor* aEditor, nsINode* aNode, | |
| 30 nsRangeUpdater* aRangeUpdater); | |
| 31 | |
| 32 DeleteNodeTxn(); | |
| 33 | |
| 34 NS_DECL_ISUPPORTS_INHERITED | |
| 35 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteNodeTxn, EditTxn) | |
| 36 | |
| 37 NS_DECL_EDITTXN | |
| 38 | |
| 39 NS_IMETHOD RedoTransaction(); | |
| 40 | |
| 41 protected: | |
| 42 | |
| 43 /** the element to delete */ | |
| 44 nsCOMPtr<nsINode> mNode; | |
| 45 | |
| 46 /** parent of node to delete */ | |
| 47 nsCOMPtr<nsINode> mParent; | |
| 48 | |
| 49 /** next sibling to remember for undo/redo purposes */ | |
| 50 nsCOMPtr<nsIContent> mRefNode; | |
| 51 | |
| 52 /** the editor for this transaction */ | |
| 53 nsEditor* mEditor; | |
| 54 | |
| 55 /** range updater object */ | |
| 56 nsRangeUpdater* mRangeUpdater; | |
| 57 }; | |
| 58 | |
| 59 #endif |
