/*
 * 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
 *    notice, this list of conditions and the following disclaimer.
 * 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,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef InsertParagraphSeparatorCommand_h
#define InsertParagraphSeparatorCommand_h

#include "core/editing/CompositeEditCommand.h"

namespace blink {

class EditingStyle;

class InsertParagraphSeparatorCommand final : public CompositeEditCommand {
public:
    static PassRefPtrWillBeRawPtr<InsertParagraphSeparatorCommand> create(Document& document, bool useDefaultParagraphElement = false, bool pasteBlockquoteIntoUnquotedArea = false)
    {
        return adoptRefWillBeNoop(new InsertParagraphSeparatorCommand(document, useDefaultParagraphElement, pasteBlockquoteIntoUnquotedArea));
    }

    DECLARE_VIRTUAL_TRACE();

private:
    InsertParagraphSeparatorCommand(Document&, bool useDefaultParagraphElement, bool pasteBlockquoteIntoUnquotedArea);

    virtual void doApply() override;

    void calculateStyleBeforeInsertion(const Position&);
    void applyStyleAfterInsertion(Element* originalEnclosingBlock);
    void getAncestorsInsideBlock(const Node* insertionNode, Element* outerBlock, WillBeHeapVector<RefPtrWillBeMember<Element>>& ancestors);
    PassRefPtrWillBeRawPtr<Element> cloneHierarchyUnderNewBlock(const WillBeHeapVector<RefPtrWillBeMember<Element>>& ancestors, PassRefPtrWillBeRawPtr<Element> blockToInsert);

    bool shouldUseDefaultParagraphElement(Element*) const;

    virtual bool preservesTypingStyle() const override;

    RefPtrWillBeMember<EditingStyle> m_style;

    bool m_mustUseDefaultParagraphElement;
    bool m_pasteBlockquoteIntoUnquotedArea;
};

}

#endif
