WebCore/CSSStyleSheet.h

   1 /*
   2  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
   3  * Copyright (C) 2004, 2006, 2007, 2008 Apple Inc. All rights reserved.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef CSSStyleSheet_h
  22 #define CSSStyleSheet_h
  23
  24 #include "CSSRuleList.h"
  25 #include "StyleSheet.h"
  26
  27 namespace WebCore {
  28
  29 class CSSNamespace;
  30 class CSSParser;
  31 class CSSRule;
  32 class DocLoader;
  33 class Document;
  34
  35 typedef int ExceptionCode;
  36
  37 class CSSStyleSheet : public StyleSheet {
  38 public:
  39     static PassRefPtr<CSSStyleSheet> create()
  40     {
  41         return adoptRef(new CSSStyleSheet(static_cast<CSSStyleSheet*>(0), String(), String()));
  42     }
  43     static PassRefPtr<CSSStyleSheet> create(Node* ownerNode)
  44     {
  45         return adoptRef(new CSSStyleSheet(ownerNode, String(), String()));
  46     }
  47     static PassRefPtr<CSSStyleSheet> create(Node* ownerNode, const String& href)
  48     {
  49         return adoptRef(new CSSStyleSheet(ownerNode, href, String()));
  50     }
  51     static PassRefPtr<CSSStyleSheet> create(Node* ownerNode, const String& href, const String& charset)
  52     {
  53         return adoptRef(new CSSStyleSheet(ownerNode, href, charset));
  54     }
  55     static PassRefPtr<CSSStyleSheet> create(CSSRule* ownerRule, const String& href, const String& charset)
  56     {
  57         return adoptRef(new CSSStyleSheet(ownerRule, href, charset));
  58     }
  59
  60     virtual ~CSSStyleSheet();
  61
  62     CSSRule* ownerRule() const;
  63     PassRefPtr<CSSRuleList> cssRules(bool omitCharsetRules = false);
  64     unsigned insertRule(const String& rule, unsigned index, ExceptionCode&);
  65     void deleteRule(unsigned index, ExceptionCode&);
  66
  67     // IE Extensions
  68     PassRefPtr<CSSRuleList> rules() { return cssRules(true); }
  69     int addRule(const String& selector, const String& style, int index, ExceptionCode&);
  70     int addRule(const String& selector, const String& style, ExceptionCode&);
  71     void removeRule(unsigned index, ExceptionCode& ec) { deleteRule(index, ec); }
  72
  73     void addNamespace(CSSParser*, const AtomicString& prefix, const AtomicString& uri);
  74     const AtomicString& determineNamespace(const AtomicString& prefix);
  75
  76     virtual void styleSheetChanged();
  77
  78     virtual bool parseString(const String&, bool strict = true);
  79
  80     virtual bool isLoading();
  81
  82     virtual void checkLoaded();
  83
  84     Document* doc() { return m_doc; }
  85
  86     const String& charset() const { return m_charset; }
  87
  88     bool loadCompleted() const { return m_loadCompleted; }
  89
  90     virtual KURL completeURL(const String& url) const;
  91     virtual void addSubresourceStyleURLs(ListHashSet<KURL>&);
  92
  93     void setStrictParsing(bool b) { m_strictParsing = b; }
  94     bool useStrictParsing() const { return m_strictParsing; }
  95
  96 private:
  97     CSSStyleSheet(Node* ownerNode, const String& href, const String& charset);
  98     CSSStyleSheet(CSSStyleSheet* parentSheet, const String& href, const String& charset);
  99     CSSStyleSheet(CSSRule* ownerRule, const String& href, const String& charset);
 100
 101     virtual bool isCSSStyleSheet() const { return true; }
 102     virtual String type() const { return "text/css"; }
 103
 104     Document* m_doc;
 105     CSSNamespace* m_namespaces;
 106     String m_charset;
 107     bool m_loadCompleted : 1;
 108     bool m_strictParsing : 1;
 109 };
 110
 111 } // namespace
 112
 113 #endif