chromium/src/third_party/blink/renderer/core/editing/commands/insert_paragraph_separator_command.h

/*
 * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_INSERT_PARAGRAPH_SEPARATOR_COMMAND_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_INSERT_PARAGRAPH_SEPARATOR_COMMAND_H_

#include "third_party/blink/renderer/core/editing/commands/composite_edit_command.h"

namespace blink {

class EditingStyle;

class CORE_EXPORT InsertParagraphSeparatorCommand final
    : public CompositeEditCommand {
 public:
  InsertParagraphSeparatorCommand(
      Document&,
      bool use_default_paragraph_element = false,
      bool paste_blockquote_into_unquoted_area = false);

  void Trace(Visitor*) const override;

 private:
  void DoApply(EditingState*) override;

  void CalculateStyleBeforeInsertion(const Position&);
  void ApplyStyleAfterInsertion(Element* original_enclosing_block,
                                EditingState*);
  void GetAncestorsInsideBlock(const Node* insertion_node,
                               Element* outer_block,
                               HeapVector<Member<Element>>& ancestors);
  Element* CloneHierarchyUnderNewBlock(
      const HeapVector<Member<Element>>& ancestors,
      Element* block_to_insert,
      EditingState*);

  bool ShouldUseDefaultParagraphElement(Element*) const;

  bool PreservesTypingStyle() const override;

  Member<EditingStyle> style_;

  bool must_use_default_paragraph_element_;
  bool paste_blockquote_into_unquoted_area_;
};

}  // namespace blink

#endif