Home | History | Annotate | Download | only in style 
      1 /*
      2  * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 2000 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
      6  * Copyright (C) 2006 Graham Dennis (graham.dennis (at) gmail.com)
      7  *
      8  * This library is free software; you can redistribute it and/or
      9  * modify it under the terms of the GNU Library General Public
     10  * License as published by the Free Software Foundation; either
     11  * version 2 of the License, or (at your option) any later version.
     12  *
     13  * This library is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * Library General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU Library General Public License
     19  * along with this library; see the file COPYING.LIB.  If not, write to
     20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21  * Boston, MA 02110-1301, USA.
     22  *
     23  */
     24 
     25 #ifndef CollapsedBorderValue_h
     26 #define CollapsedBorderValue_h
     27 
     28 #include "BorderValue.h"
     29 
     30 namespace WebCore {
     31 
     32 struct CollapsedBorderValue {
     33     CollapsedBorderValue()
     34         : border(0)
     35         , precedence(BOFF)
     36     {
     37     }
     38 
     39     CollapsedBorderValue(const BorderValue* b, EBorderPrecedence p)
     40         : border(b)
     41         , precedence(p)
     42     {
     43     }
     44 
     45     int width() const { return border && border->nonZero() ? border->width : 0; }
     46     EBorderStyle style() const { return border ? border->style() : BHIDDEN; }
     47     bool exists() const { return border; }
     48     Color color() const { return border ? border->color : Color(); }
     49     bool isTransparent() const { return border ? border->isTransparent() : true; }
     50 
     51     bool operator==(const CollapsedBorderValue& o) const
     52     {
     53         if (!border)
     54             return !o.border;
     55         if (!o.border)
     56             return false;
     57         return *border == *o.border && precedence == o.precedence;
     58     }
     59 
     60     const BorderValue* border;
     61     EBorderPrecedence precedence;
     62 };
     63 
     64 } // namespace WebCore
     65 
     66 #endif // CollapsedBorderValue_h
     67