зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.3 KiB
C++
60 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DeleteNodeTxn_h__
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#define DeleteNodeTxn_h__
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#include "EditTxn.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIContent.h"
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#include "nsINode.h"
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#include "nsISupportsImpl.h"
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#include "nscore.h"
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class nsEditor;
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class nsRangeUpdater;
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/**
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* A transaction that deletes a single element
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*/
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class DeleteNodeTxn : public EditTxn
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{
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public:
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/** initialize the transaction.
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* @param aElement the node to delete
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*/
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nsresult Init(nsEditor* aEditor, nsINode* aNode,
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nsRangeUpdater* aRangeUpdater);
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DeleteNodeTxn();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteNodeTxn, EditTxn)
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NS_DECL_EDITTXN
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NS_IMETHOD RedoTransaction();
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protected:
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/** the element to delete */
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nsCOMPtr<nsINode> mNode;
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/** parent of node to delete */
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nsCOMPtr<nsINode> mParent;
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/** next sibling to remember for undo/redo purposes */
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nsCOMPtr<nsIContent> mRefNode;
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/** the editor for this transaction */
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nsEditor* mEditor;
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/** range updater object */
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nsRangeUpdater* mRangeUpdater;
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};
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#endif
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