WebCore/css/CSSVariablesRule.h

   1 /*
   2  * Copyright (C) 2008 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. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef CSSVariablesRule_h
  27 #define CSSVariablesRule_h
  28
  29 #include "CSSRule.h"
  30 #include "CSSVariablesDeclaration.h"
  31 #include <wtf/RefPtr.h>
  32
  33 namespace WebCore {
  34
  35 class CSSStyleSheet;
  36 class MediaList;
  37
  38 class CSSVariablesRule : public CSSRule {
  39 public:
  40     static PassRefPtr<CSSVariablesRule> create(CSSStyleSheet* parent, MediaList* mediaList, bool variablesKeyword)
  41     {
  42         return adoptRef(new CSSVariablesRule(parent, mediaList, variablesKeyword));
  43     }
  44
  45     virtual ~CSSVariablesRule();
  46
  47     // CSSVariablesRule interface
  48     MediaList* media() const { return m_lstMedia.get(); }
  49     CSSVariablesDeclaration* variables() { return m_variables.get(); }
  50
  51     // Inherited from CSSRule
  52     virtual unsigned short type() const { return VARIABLES_RULE; }
  53     virtual String cssText() const;
  54     virtual bool isVariablesRule() { return true; }
  55
  56     // Used internally.  Does not notify the document of the change.  Only intended
  57     // for use on initial parse.
  58     void setDeclaration(PassRefPtr<CSSVariablesDeclaration> decl) { m_variables = decl; }
  59
  60 private:
  61     CSSVariablesRule(CSSStyleSheet* parent, MediaList*, bool variablesKeyword);
  62
  63     RefPtr<MediaList> m_lstMedia;
  64     RefPtr<CSSVariablesDeclaration> m_variables;
  65     bool m_variablesKeyword;
  66 };
  67
  68 } // namespace WebCore
  69
  70 #endif // CSSVariablesRule_h