WebCore/CSSRule.h

   1 /*
   2  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
   3  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
   4  * Copyright (C) 2002, 2006, 2007 Apple 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 #ifndef CSSRule_h
  23 #define CSSRule_h
  24
  25 #include "CSSStyleSheet.h"
  26 #include "KURLHash.h"
  27 #include <wtf/ListHashSet.h>
  28
  29 namespace WebCore {
  30
  31 typedef int ExceptionCode;
  32
  33 class CSSRule : public StyleBase {
  34 public:
  35     // FIXME: Change name to Type.
  36     enum CSSRuleType {
  37         UNKNOWN_RULE,
  38         STYLE_RULE,
  39         CHARSET_RULE,
  40         IMPORT_RULE,
  41         MEDIA_RULE,
  42         FONT_FACE_RULE,
  43         PAGE_RULE,
  44         VARIABLES_RULE,
  45         WEBKIT_KEYFRAMES_RULE,
  46         WEBKIT_KEYFRAME_RULE
  47     };
  48
  49     // FIXME: Change to return CSSRuleType.
  50     virtual unsigned short type() const = 0;
  51
  52     CSSStyleSheet* parentStyleSheet() const;
  53     CSSRule* parentRule() const;
  54
  55     virtual String cssText() const = 0;
  56     void setCssText(const String&, ExceptionCode&);
  57
  58     virtual void addSubresourceStyleURLs(ListHashSet<KURL>&) { }
  59
  60 protected:
  61     CSSRule(CSSStyleSheet* parent)
  62         : StyleBase(parent)
  63     {
  64     }
  65
  66 private:
  67     virtual bool isRule() { return true; }
  68 };
  69
  70 } // namespace WebCore
  71
  72 #endif // CSSRule_h