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