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comparison: editor/libeditor/base/CreateElementTxn.h
editor/libeditor/base/CreateElementTxn.h
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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 CreateElementTxn_h__ | |
| 7 #define CreateElementTxn_h__ | |
| 8 | |
| 9 #include "EditTxn.h" | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsCycleCollectionParticipant.h" | |
| 12 #include "nsIDOMNode.h" | |
| 13 #include "nsISupportsImpl.h" | |
| 14 #include "nsString.h" | |
| 15 #include "nscore.h" | |
| 16 | |
| 17 class nsEditor; | |
| 18 | |
| 19 /** | |
| 20 * A transaction that creates a new node in the content tree. | |
| 21 */ | |
| 22 class CreateElementTxn : public EditTxn | |
| 23 { | |
| 24 public: | |
| 25 enum { eAppend=-1 }; | |
| 26 | |
| 27 /** Initialize the transaction. | |
| 28 * @param aEditor the provider of basic editing functionality | |
| 29 * @param aTag the tag (P, HR, TABLE, etc.) for the new element | |
| 30 * @param aParent the node into which the new element will be inserted | |
| 31 * @param aOffsetInParent the location in aParent to insert the new element | |
| 32 * if eAppend, the new element is appended as the last child | |
| 33 */ | |
| 34 NS_IMETHOD Init(nsEditor *aEditor, | |
| 35 const nsAString& aTag, | |
| 36 nsIDOMNode *aParent, | |
| 37 uint32_t aOffsetInParent); | |
| 38 | |
| 39 CreateElementTxn(); | |
| 40 | |
| 41 NS_DECL_ISUPPORTS_INHERITED | |
| 42 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(CreateElementTxn, EditTxn) | |
| 43 | |
| 44 NS_DECL_EDITTXN | |
| 45 | |
| 46 NS_IMETHOD RedoTransaction(); | |
| 47 | |
| 48 NS_IMETHOD GetNewNode(nsIDOMNode **aNewNode); | |
| 49 | |
| 50 protected: | |
| 51 | |
| 52 /** the document into which the new node will be inserted */ | |
| 53 nsEditor* mEditor; | |
| 54 | |
| 55 /** the tag (mapping to object type) for the new element */ | |
| 56 nsString mTag; | |
| 57 | |
| 58 /** the node into which the new node will be inserted */ | |
| 59 nsCOMPtr<nsIDOMNode> mParent; | |
| 60 | |
| 61 /** the index in mParent for the new node */ | |
| 62 uint32_t mOffsetInParent; | |
| 63 | |
| 64 /** the new node to insert */ | |
| 65 nsCOMPtr<nsIDOMNode> mNewNode; | |
| 66 | |
| 67 /** the node we will insert mNewNode before. We compute this ourselves. */ | |
| 68 nsCOMPtr<nsIDOMNode> mRefNode; | |
| 69 }; | |
| 70 | |
| 71 #endif |
