gecko-dev/editor/libeditor/base/InsertElementTxn.h

57 lines
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef InsertElementTxn_h__
#define InsertElementTxn_h__
#include "EditTxn.h" // for EditTxn, NS_DECL_EDITTXN
#include "nsCOMPtr.h" // for nsCOMPtr
#include "nsCycleCollectionParticipant.h"
#include "nsISupportsImpl.h" // for NS_DECL_ISUPPORTS_INHERITED
#include "nscore.h" // for NS_IMETHOD
class nsEditor;
class nsINode;
/**
* A transaction that inserts a single element
*/
class InsertElementTxn : public EditTxn
{
public:
/** initialize the transaction.
* @param aNode the node to insert
* @param aParent the node to insert into
* @param aOffset the offset in aParent to insert aNode
*/
NS_IMETHOD Init(nsINode *aNode,
nsINode *aParent,
int32_t aOffset,
nsEditor *aEditor);
InsertElementTxn();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(InsertElementTxn, EditTxn)
NS_DECL_EDITTXN
protected:
/** the element to insert */
nsCOMPtr<nsINode> mNode;
/** the node into which the new node will be inserted */
nsCOMPtr<nsINode> mParent;
/** the editor for this transaction */
nsEditor* mEditor;
/** the index in mParent for the new node */
int32_t mOffset;
};
#endif