Home | History | Annotate | Download | only in resolver
      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
      4  * Copyright (C) 2013 Google Inc. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  *
     21  */
     22 
     23 #ifndef MediaQueryResult_h
     24 #define MediaQueryResult_h
     25 
     26 #include "core/css/MediaQueryExp.h"
     27 #include "wtf/Noncopyable.h"
     28 #include "wtf/RefCounted.h"
     29 
     30 namespace blink {
     31 
     32 class MediaQueryResult : public RefCountedWillBeGarbageCollectedFinalized<MediaQueryResult> {
     33     WTF_MAKE_NONCOPYABLE(MediaQueryResult); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
     34 public:
     35     MediaQueryResult(const MediaQueryExp& expr, bool result)
     36 #if ENABLE(OILPAN)
     37         : m_expression(&expr)
     38 #else
     39         : m_expression(expr)
     40 #endif
     41         , m_result(result)
     42     {
     43     }
     44 
     45     void trace(Visitor* visitor) { visitor->trace(m_expression); }
     46 
     47     const MediaQueryExp* expression() const
     48     {
     49 #if ENABLE(OILPAN)
     50         return m_expression;
     51 #else
     52         return &m_expression;
     53 #endif
     54     }
     55 
     56     bool result() const { return m_result; }
     57 
     58 private:
     59 #if ENABLE(OILPAN)
     60     Member<const MediaQueryExp> m_expression;
     61 #else
     62     MediaQueryExp m_expression;
     63 #endif
     64     bool m_result;
     65 };
     66 
     67 }
     68 
     69 #endif
     70