1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/editor/libeditor/base/DeleteNodeTxn.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,59 @@ 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 DeleteNodeTxn_h__ 1.10 +#define DeleteNodeTxn_h__ 1.11 + 1.12 +#include "EditTxn.h" 1.13 +#include "nsCOMPtr.h" 1.14 +#include "nsCycleCollectionParticipant.h" 1.15 +#include "nsIContent.h" 1.16 +#include "nsINode.h" 1.17 +#include "nsISupportsImpl.h" 1.18 +#include "nscore.h" 1.19 + 1.20 +class nsEditor; 1.21 +class nsRangeUpdater; 1.22 + 1.23 +/** 1.24 + * A transaction that deletes a single element 1.25 + */ 1.26 +class DeleteNodeTxn : public EditTxn 1.27 +{ 1.28 +public: 1.29 + /** initialize the transaction. 1.30 + * @param aElement the node to delete 1.31 + */ 1.32 + nsresult Init(nsEditor* aEditor, nsINode* aNode, 1.33 + nsRangeUpdater* aRangeUpdater); 1.34 + 1.35 + DeleteNodeTxn(); 1.36 + 1.37 + NS_DECL_ISUPPORTS_INHERITED 1.38 + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteNodeTxn, EditTxn) 1.39 + 1.40 + NS_DECL_EDITTXN 1.41 + 1.42 + NS_IMETHOD RedoTransaction(); 1.43 + 1.44 +protected: 1.45 + 1.46 + /** the element to delete */ 1.47 + nsCOMPtr<nsINode> mNode; 1.48 + 1.49 + /** parent of node to delete */ 1.50 + nsCOMPtr<nsINode> mParent; 1.51 + 1.52 + /** next sibling to remember for undo/redo purposes */ 1.53 + nsCOMPtr<nsIContent> mRefNode; 1.54 + 1.55 + /** the editor for this transaction */ 1.56 + nsEditor* mEditor; 1.57 + 1.58 + /** range updater object */ 1.59 + nsRangeUpdater* mRangeUpdater; 1.60 +}; 1.61 + 1.62 +#endif