File: ApplyBlockElementCommand.h

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/*
 * 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
 * OWNER 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 ApplyBlockElementCommand_h
#define ApplyBlockElementCommand_h

#include "core/dom/QualifiedName.h"
#include "core/editing/commands/CompositeEditCommand.h"

namespace blink {

class CORE_EXPORT 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,
                               EditingState*);
  HTMLElement* createBlockElement() const;
  const QualifiedName& tagName() const { return m_tagName; }

 private:
  void doApply(EditingState*) final;
  virtual void formatRange(const Position& start,
                           const Position& end,
                           const Position& endOfSelection,
                           HTMLElement*&,
                           EditingState*) = 0;
  void rangeForParagraphSplittingTextNodesIfNeeded(
      const VisiblePosition& endOfCurrentParagraph,
      Position& endOfLastParagraph,
      Position& start,
      Position& end);
  VisiblePosition endOfNextParagrahSplittingTextNodesIfNeeded(
      VisiblePosition& endOfCurrentParagraph,
      Position& endOfLastParagraph,
      Position& start,
      Position& end);

  QualifiedName m_tagName;
  AtomicString m_inlineStyle;
};

}  // namespace blink

#endif