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

88 lines
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The Original Code is mozilla.org code.
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* Contributor(s):
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#ifndef DeleteElementTxn_h__
#define DeleteElementTxn_h__
#include "EditTxn.h"
#include "nsIDOMNode.h"
#include "nsIEditor.h"
#include "nsCOMPtr.h"
class nsRangeUpdater;
/**
* A transaction that deletes a single element
*/
class DeleteElementTxn : public EditTxn
{
public:
/** initialize the transaction.
* @param aElement the node to delete
*/
NS_IMETHOD Init(nsIEditor *aEditor, nsIDOMNode *aElement, nsRangeUpdater *aRangeUpdater);
DeleteElementTxn();
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteElementTxn, EditTxn)
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
NS_DECL_EDITTXN
NS_IMETHOD RedoTransaction();
protected:
/** the element to delete */
nsCOMPtr<nsIDOMNode> mElement;
/** parent of node to delete */
nsCOMPtr<nsIDOMNode> mParent;
/** next sibling to remember for undo/redo purposes */
nsCOMPtr<nsIDOMNode> mRefNode;
/** the editor for this transaction */
nsIEditor* mEditor;
/** range updater object */
nsRangeUpdater *mRangeUpdater;
};
#endif