Home | History | Annotate | Download | only in style 
      1 /*
      2  * Copyright (C) 2009 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1.  Redistributions of source code must retain the above copyright
      8  * notice, this list of conditions and the following disclaimer.
      9  * 2.  Redistributions in binary form must reproduce the above copyright
     10  * notice, this list of conditions and the following disclaimer in the
     11  * documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #ifndef LineClampValue_h
     26 #define LineClampValue_h
     27 
     28 #include "core/rendering/style/RenderStyleConstants.h"
     29 
     30 namespace blink {
     31 
     32 class LineClampValue {
     33 public:
     34     LineClampValue()
     35         : m_type(LineClampLineCount)
     36         , m_value(-1)
     37     {
     38     }
     39 
     40     LineClampValue(int value, ELineClampType type)
     41         : m_type(type)
     42         , m_value(value)
     43     {
     44     }
     45 
     46     int value() const { return m_value; }
     47 
     48     bool isPercentage() const { return m_type == LineClampPercentage; }
     49 
     50     bool isNone() const { return m_value == -1; }
     51 
     52     bool operator==(const LineClampValue& o) const
     53     {
     54         return value() == o.value() && isPercentage() == o.isPercentage();
     55     }
     56 
     57     bool operator!=(const LineClampValue& o) const
     58     {
     59         return !(*this == o);
     60     }
     61 
     62 private:
     63     ELineClampType m_type;
     64     int m_value;
     65 };
     66 
     67 } // namespace blink
     68 
     69 #endif // LineClampValue_h
     70