/*
 * Copyright (C) 2010 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
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 */

#ifndef ApplyBlockElementCommand_h
#define ApplyBlockElementCommand_h

#include "CompositeEditCommand.h"
#include "QualifiedName.h"

namespace WebCore {

class ApplyBlockElementCommand : public CompositeEditCommand {
protected:
    ApplyBlockElementCommand(Document*, const QualifiedName& tagName, const AtomicString& inlineStyle);
    ApplyBlockElementCommand(Document*, const QualifiedName& tagName);

    virtual void formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection);
    PassRefPtr<Element> createBlockElement() const;
    const QualifiedName tagName() const { return m_tagName; }

private:
    virtual void doApply();
    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtr<Element>&) = 0;
    void rangeForParagraphSplittingTextNodesIfNeeded(const VisiblePosition&, Position&, Position&);
    VisiblePosition endOfNextParagrahSplittingTextNodesIfNeeded(VisiblePosition&, Position&, Position&);

    QualifiedName m_tagName;
    AtomicString m_inlineStyle;
    Position m_endOfLastParagraph;
};

}

#endif
