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/* -*- 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 CreateElementTransaction_h
#define CreateElementTransaction_h
#include "mozilla/EditTransactionBase.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupportsImpl.h"
class nsIAtom;
class nsIContent;
class nsINode;
/**
* A transaction that creates a new node in the content tree.
*/
namespace mozilla {
class EditorBase;
namespace dom {
class Element;
} // namespace dom
class CreateElementTransaction final : public EditTransactionBase
{
public:
/**
* Initialize the transaction.
* @param aEditorBase The provider of basic editing functionality.
* @param aTag The tag (P, HR, TABLE, etc.) for the new element.
* @param aParent The node into which the new element will be
* inserted.
* @param aOffsetInParent The location in aParent to insert the new element.
* If eAppend, the new element is appended as the last
* child.
*/
CreateElementTransaction(EditorBase& aEditorBase,
nsIAtom& aTag,
nsINode& aParent,
int32_t aOffsetInParent);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(CreateElementTransaction,
EditTransactionBase)
NS_DECL_EDITTRANSACTIONBASE
NS_IMETHOD RedoTransaction() override;
already_AddRefed<dom::Element> GetNewNode();
protected:
virtual ~CreateElementTransaction();
// The document into which the new node will be inserted.
RefPtr<EditorBase> mEditorBase;
// The tag (mapping to object type) for the new element.
nsCOMPtr<nsIAtom> mTag;
// The node into which the new node will be inserted.
nsCOMPtr<nsINode> mParent;
// The index in mParent for the new node.
int32_t mOffsetInParent;
// The new node to insert.
nsCOMPtr<dom::Element> mNewNode;
// The node we will insert mNewNode before. We compute this ourselves.
nsCOMPtr<nsIContent> mRefNode;
};
} // namespace mozilla
#endif // #ifndef CreateElementTransaction_h
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