зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.8 KiB
C++
77 строки
2.8 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 InsertNodeTransaction_h
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#define InsertNodeTransaction_h
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#include "mozilla/EditTransactionBase.h" // for EditTransactionBase, etc.
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#include "mozilla/EditorDOMPoint.h" // for EditorDOMPoint
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#include "nsCOMPtr.h" // for nsCOMPtr
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#include "nsCycleCollectionParticipant.h"
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#include "nsIContent.h" // for nsIContent
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#include "nsISupportsImpl.h" // for NS_DECL_ISUPPORTS_INHERITED
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namespace mozilla {
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class EditorBase;
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/**
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* A transaction that inserts a single element
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*/
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class InsertNodeTransaction final : public EditTransactionBase {
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protected:
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template <typename PT, typename CT>
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InsertNodeTransaction(EditorBase& aEditorBase, nsIContent& aContentToInsert,
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const EditorDOMPointBase<PT, CT>& aPointToInsert);
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public:
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/**
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* Create a transaction for inserting aContentToInsert before the child
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* at aPointToInsert.
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*
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* @param aEditorBase The editor which manages the transaction.
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* @param aContentToInsert The node to be inserted.
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* @param aPointToInsert The insertion point of aContentToInsert.
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* If this refers end of the container, the
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* transaction will append the node to the
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* container. Otherwise, will insert the node
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* before child node referred by this.
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* @return A InsertNodeTranaction which was initialized
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* with the arguments.
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*/
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template <typename PT, typename CT>
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static already_AddRefed<InsertNodeTransaction> Create(
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EditorBase& aEditorBase, nsIContent& aContentToInsert,
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const EditorDOMPointBase<PT, CT>& aPointToInsert);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(InsertNodeTransaction,
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EditTransactionBase)
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NS_DECL_EDITTRANSACTIONBASE
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NS_DECL_EDITTRANSACTIONBASE_GETASMETHODS_OVERRIDE(InsertNodeTransaction)
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MOZ_CAN_RUN_SCRIPT NS_IMETHOD RedoTransaction() override;
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friend std::ostream& operator<<(std::ostream& aStream,
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const InsertNodeTransaction& aTransaction);
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protected:
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virtual ~InsertNodeTransaction() = default;
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// The element to insert.
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nsCOMPtr<nsIContent> mContentToInsert;
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// The DOM point we will insert mContentToInsert.
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EditorDOMPoint mPointToInsert;
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// The editor for this transaction.
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RefPtr<EditorBase> mEditorBase;
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};
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} // namespace mozilla
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#endif // #ifndef InsertNodeTransaction_h
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