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 enum CSSRuleFilter {
34     AllCSSRules,
35     SameOriginCSSRulesOnly
36 };
37 
38 class CSSRule : public StyleBase {
39 public:
40     // FIXME: Change name to Type.
41     enum CSSRuleType {
42         UNKNOWN_RULE,
43         STYLE_RULE,
44         CHARSET_RULE,
45         IMPORT_RULE,
46         MEDIA_RULE,
47         FONT_FACE_RULE,
48         PAGE_RULE,
49         // 7 used to be VARIABLES_RULE
50         WEBKIT_KEYFRAMES_RULE = 8,
51         WEBKIT_KEYFRAME_RULE
52     };
53 
54     // FIXME: Change to return CSSRuleType.
55     virtual unsigned short type() const = 0;
56 
57     CSSStyleSheet* parentStyleSheet() const;
58     CSSRule* parentRule() const;
59 
60     virtual String cssText() const = 0;
61     void setCssText(const String&, ExceptionCode&);
62 
addSubresourceStyleURLs(ListHashSet<KURL> &)63     virtual void addSubresourceStyleURLs(ListHashSet<KURL>&) { }
64 
65 protected:
CSSRule(CSSStyleSheet * parent)66     CSSRule(CSSStyleSheet* parent)
67         : StyleBase(parent)
68     {
69     }
70 
71 private:
isRule()72     virtual bool isRule() { return true; }
73 };
74 
75 } // namespace WebCore
76 
77 #endif // CSSRule_h
78