third_party/WebKit/Source/core/style/LineClampValue.h

/*
 * Copyright (C) 2009 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 INC. AND ITS 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 APPLE INC. OR ITS 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 LineClampValue_h
#define LineClampValue_h

#include "core/style/ComputedStyleConstants.h"
#include "wtf/Allocator.h"

namespace blink {

class LineClampValue {
  DISALLOW_NEW();

 public:
  LineClampValue() : m_type(LineClampLineCount), m_value(-1) {}

  LineClampValue(int value, ELineClampType type)
      : m_type(type), m_value(value) {}

  int value() const { return m_value; }

  bool isPercentage() const { return m_type == LineClampPercentage; }

  bool isNone() const { return m_value == -1; }

  bool operator==(const LineClampValue& o) const {
    return value() == o.value() && isPercentage() == o.isPercentage();
  }

  bool operator!=(const LineClampValue& o) const { return !(*this == o); }

 private:
  ELineClampType m_type;
  int m_value;
};

}  // namespace blink

#endif  // LineClampValue_h