DeleteContentTransactionBase.h

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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 DeleteContentTransactionBase_h

#define DeleteContentTransactionBase_h

#include "EditTransactionBase.h"

#include "EditorForwards.h"

#include "mozilla/RefPtr.h"

#include "nsCycleCollectionParticipant.h"

#include "nsISupportsImpl.h"

namespace mozilla {

/**

 * An abstract transaction that removes text or node.

*/

class DeleteContentTransactionBase : public EditTransactionBase {

 public:

/**

   * Return a point to put caret if the transaction instance has an idea.

*/

  virtual EditorDOMPoint SuggestPointToPutCaret() const = 0;

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteContentTransactionBase,

                                           EditTransactionBase)

  NS_DECL_EDITTRANSACTIONBASE_GETASMETHODS_OVERRIDE(

      DeleteContentTransactionBase)

 protected:

  explicit DeleteContentTransactionBase(EditorBase& aEditorBase);

  ~DeleteContentTransactionBase() = default;

  RefPtr<EditorBase> mEditorBase;

};

}  // namespace mozilla

#endif  // #ifndef DeleteContentTransactionBase_h