khtml Library API Documentation

css_stylesheetimpl.h

00001 /*
00002  * This file is part of the DOM implementation for KDE.
00003  *
00004  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00019  * Boston, MA 02111-1307, USA.
00020  *
00021  * $Id: css_stylesheetimpl.h,v 1.28 2003/05/17 22:12:57 mueller Exp $
00022  */
00023 #ifndef _CSS_css_stylesheetimpl_h_
00024 #define _CSS_css_stylesheetimpl_h_
00025 
00026 #include <qvaluelist.h>
00027 #include <qptrlist.h>
00028 
00029 #include "dom/dom_string.h"
00030 #include "css/css_base.h"
00031 #include "misc/loader_client.h"
00032 #include "xml/dom_docimpl.h"
00033 
00034 namespace khtml {
00035     class CachedCSSStyleSheet;
00036     class DocLoader;
00037 }
00038 
00039 namespace DOM {
00040 
00041 class StyleSheet;
00042 class CSSStyleSheet;
00043 class MediaListImpl;
00044 class CSSRuleImpl;
00045 class CSSRuleList;
00046 class CSSStyleRuleImpl;
00047 class CSSValueImpl;
00048 class NodeImpl;
00049 class DocumentImpl;
00050 
00051 class StyleSheetImpl : public StyleListImpl
00052 {
00053 public:
00054     StyleSheetImpl(DOM::NodeImpl *ownerNode, DOM::DOMString href = DOMString());
00055     StyleSheetImpl(StyleSheetImpl *parentSheet, DOM::DOMString href = DOMString());
00056     StyleSheetImpl(StyleBaseImpl *owner, DOM::DOMString href  = DOMString());
00057     StyleSheetImpl(khtml::CachedCSSStyleSheet *cached, DOM::DOMString href  = DOMString());
00058     virtual ~StyleSheetImpl();
00059 
00060     virtual bool isStyleSheet() const { return true; }
00061 
00062     virtual DOM::DOMString type() const { return DOMString(); }
00063 
00064     bool disabled() const { return m_disabled; }
00065     void setDisabled( bool disabled ) { m_disabled = disabled; }
00066 
00067     DOM::NodeImpl *ownerNode() const { return m_parentNode; }
00068     StyleSheetImpl *parentStyleSheet() const;
00069     DOM::DOMString href() const { return m_strHref; }
00070     DOM::DOMString title() const { return m_strTitle; }
00071     MediaListImpl *media() const { return m_media; }
00072     void setMedia( MediaListImpl *media );
00073 
00074 protected:
00075     DOM::NodeImpl *m_parentNode;
00076     DOM::DOMString m_strHref;
00077     DOM::DOMString m_strTitle;
00078     MediaListImpl *m_media;
00079     bool m_disabled;
00080 };
00081 
00082 class CSSStyleSheetImpl : public StyleSheetImpl
00083 {
00084 public:
00085     CSSStyleSheetImpl(DOM::NodeImpl *parentNode, DOM::DOMString href = DOMString(), bool _implicit = false);
00086     CSSStyleSheetImpl(CSSStyleSheetImpl *parentSheet, DOM::DOMString href = DOMString());
00087     CSSStyleSheetImpl(CSSRuleImpl *ownerRule, DOM::DOMString href = DOMString());
00088     // clone from a cached version of the sheet
00089     CSSStyleSheetImpl(DOM::NodeImpl *parentNode, CSSStyleSheetImpl *orig);
00090     CSSStyleSheetImpl(CSSRuleImpl *ownerRule, CSSStyleSheetImpl *orig);
00091 
00092     virtual bool isCSSStyleSheet() const { return true; }
00093 
00094     virtual DOM::DOMString type() const { return "text/css"; }
00095 
00096     CSSRuleImpl *ownerRule() const;
00097     CSSRuleList cssRules();
00098     unsigned long insertRule ( const DOM::DOMString &rule, unsigned long index, int &exceptioncode );
00099     void deleteRule ( unsigned long index, int &exceptioncode );
00100 
00101     virtual bool parseString( const DOMString &string, bool strict = true );
00102 
00103     bool isLoading() const;
00104     void setNonCSSHints();
00105 
00106     virtual void checkLoaded() const;
00107 
00108     // ### remove? (clients should use sheet->doc()->docLoader())
00109     khtml::DocLoader *docLoader() const
00110     { return m_doc ? m_doc->docLoader() : 0; }
00111 
00112     DocumentImpl *doc() const { return m_doc; }
00113     bool implicit() const { return m_implicit; }
00114 protected:
00115     DocumentImpl *m_doc;
00116     bool m_implicit;
00117 };
00118 
00119 // ----------------------------------------------------------------------------
00120 
00121 class StyleSheetListImpl : public khtml::Shared<StyleSheetListImpl>
00122 {
00123 public:
00124     StyleSheetListImpl() {}
00125     ~StyleSheetListImpl();
00126 
00127     // the following two ignore implicit stylesheets
00128     unsigned long length() const;
00129     StyleSheetImpl *item ( unsigned long index );
00130 
00131     void add(StyleSheetImpl* s);
00132     void remove(StyleSheetImpl* s);
00133 
00134     QPtrList<StyleSheetImpl> styleSheets;
00135 };
00136 
00137 // ----------------------------------------------------------------------------
00138 
00139 class MediaListImpl : public StyleBaseImpl
00140 {
00141 public:
00142     MediaListImpl()
00143     : StyleBaseImpl( 0 ) {}
00144     MediaListImpl( CSSStyleSheetImpl *parentSheet )
00145         : StyleBaseImpl(parentSheet) {}
00146     MediaListImpl( CSSStyleSheetImpl *parentSheet,
00147                    const DOM::DOMString &media );
00148     MediaListImpl( CSSRuleImpl *parentRule, const DOM::DOMString &media );
00149 
00150     virtual bool isMediaList() const { return true; }
00151 
00152     CSSStyleSheetImpl *parentStyleSheet() const;
00153     CSSRuleImpl *parentRule() const;
00154     unsigned long length() const { return m_lstMedia.count(); }
00155     DOM::DOMString item ( unsigned long index ) const { return m_lstMedia[index]; }
00156     void deleteMedium ( const DOM::DOMString &oldMedium );
00157     void appendMedium ( const DOM::DOMString &newMedium ) { m_lstMedia.append(newMedium); }
00158 
00159     DOM::DOMString mediaText() const;
00160     void setMediaText(const DOM::DOMString &value);
00161 
00170     bool contains( const DOM::DOMString &medium ) const;
00171 
00172 protected:
00173     QValueList<DOM::DOMString> m_lstMedia;
00174 };
00175 
00176 
00177 } // namespace
00178 
00179 #endif
00180 
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This file is part of the documentation for khtml Library Version 3.2.2.
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