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/*
* This file is part of the DOM implementation for KDE.
*
* Copyright 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright 2004 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef _CSS_css_stylesheetimpl_h_
#define _CSS_css_stylesheetimpl_h_
#include "dom/dom_string.h"
#include "css/css_base.h"
#include "misc/loader_client.h"
#include "xml/dom_docimpl.h"
#include <QPointer>
namespace khtml
{
class CachedCSSStyleSheet;
class DocLoader;
class MediaQuery;
}
namespace DOM
{
class StyleSheet;
class CSSStyleSheet;
class CSSParser;
class MediaListImpl;
class CSSRuleImpl;
class CSSNamespaceRuleImpl;
class CSSRuleListImpl;
class NodeImpl;
class DocumentImpl;
class StyleSheetImpl : public StyleListImpl
{
public:
StyleSheetImpl(DOM::NodeImpl *ownerNode, DOM::DOMString href = DOMString());
StyleSheetImpl(StyleSheetImpl *parentSheet, DOM::DOMString href = DOMString());
StyleSheetImpl(StyleBaseImpl *owner, DOM::DOMString href = DOMString());
StyleSheetImpl(khtml::CachedCSSStyleSheet *cached, DOM::DOMString href = DOMString());
virtual ~StyleSheetImpl();
bool isStyleSheet() const override
{
return true;
}
virtual DOM::DOMString type() const
{
return DOMString();
}
bool disabled() const
{
return m_disabled;
}
void setDisabled(bool disabled);
DOM::NodeImpl *ownerNode() const
{
return m_parentNode;
}
StyleSheetImpl *parentStyleSheet() const;
DOM::DOMString href() const
{
return m_strHref;
}
void setHref(const DOM::DOMString &href)
{
m_strHref = href;
}
DOM::DOMString title() const
{
return m_strTitle;
}
MediaListImpl *media() const
{
return m_media;
}
void setMedia(MediaListImpl *media);
void setTitle(const DOM::DOMString &title)
{
m_strTitle = title;
}
protected:
DOM::NodeImpl *m_parentNode;
DOM::DOMString m_strHref;
DOM::DOMString m_strTitle;
MediaListImpl *m_media;
bool m_disabled;
};
class CSSStyleSheetImpl : public StyleSheetImpl
{
public:
CSSStyleSheetImpl(DOM::NodeImpl *parentNode, DOM::DOMString href = DOMString(), bool _implicit = false);
CSSStyleSheetImpl(CSSStyleSheetImpl *parentSheet, DOM::DOMString href = DOMString());
CSSStyleSheetImpl(CSSRuleImpl *ownerRule, DOM::DOMString href = DOMString());
// clone from a cached version of the sheet
CSSStyleSheetImpl(DOM::NodeImpl *parentNode, CSSStyleSheetImpl *orig);
CSSStyleSheetImpl(CSSRuleImpl *ownerRule, CSSStyleSheetImpl *orig);
~CSSStyleSheetImpl()
{
delete m_namespaces;
}
bool isCSSStyleSheet() const override
{
return true;
}
DOM::DOMString type() const override
{
return "text/css";
}
CSSRuleImpl *ownerRule() const;
CSSRuleListImpl *cssRules(bool omitCharsetRule = false);
unsigned long insertRule(const DOM::DOMString &rule, unsigned long index, int &exceptioncode);
void deleteRule(unsigned long index, int &exceptioncode);
void determineNamespace(NamespaceName &namespacename, const DOM::DOMString &prefix);
quint32 defaultNamespace()
{
return m_defaultNamespace.id();
}
void appendNamespaceRule(CSSNamespaceRuleImpl *ns);
void setCharset(const DOMString &charset)
{
m_charset = charset;
}
const DOMString &charset() const
{
return m_charset;
}
bool parseString(const DOMString &string, bool strict = true) override;
bool isLoading() const;
void checkLoaded() const override;
void checkPending() const override;
bool loadedHint() const
{
return m_loadedHint;
}
// ### remove? (clients should use sheet->doc()->docLoader())
khtml::DocLoader *docLoader() const
{
return m_doc ? m_doc->docLoader() : nullptr;
}
DocumentImpl *doc() const
{
return m_doc;
}
bool implicit() const
{
return m_implicit;
}
protected:
void recomputeNamespaceInfo(); // updates m_defaultNamespace and m_namespaces
// we update m_namespaces lazily, but
// m_defaulNamespace eagerly.
void dirtyNamespaceInfo()
{
delete m_namespaces;
m_namespaces = nullptr;
}
DocumentImpl *m_doc;
bool m_implicit;
mutable bool m_loadedHint;
NamespaceName m_defaultNamespace;
QList<CSSNamespaceRuleImpl *> *m_namespaces;
DOMString m_charset;
};
// ----------------------------------------------------------------------------
class StyleSheetListImpl : public khtml::Shared<StyleSheetListImpl>
{
public:
// the manager argument should be passed only when this is
// document.styleSheets.
StyleSheetListImpl(DocumentImpl *manager = nullptr): managerDocument(manager) {}
~StyleSheetListImpl();
// the following two ignore implicit stylesheets
unsigned long length() const;
StyleSheetImpl *item(unsigned long index);
void add(StyleSheetImpl *s);
void remove(StyleSheetImpl *s);
QList<StyleSheetImpl *> styleSheets;
// we need the document pointer to make it update the stylesheet list
// if needed for the global list. Luckily, we don't care about that if the
// document dies, so we use QPointer to break the cycle
QPointer<DocumentImpl> managerDocument;
};
// ----------------------------------------------------------------------------
class MediaListImpl : public StyleBaseImpl
{
public:
MediaListImpl(bool fallbackToDescription = false)
: StyleBaseImpl(nullptr), m_fallback(fallbackToDescription) {}
MediaListImpl(CSSStyleSheetImpl *parentSheet, bool fallbackToDescription = false)
: StyleBaseImpl(parentSheet), m_fallback(fallbackToDescription) {}
MediaListImpl(CSSStyleSheetImpl *parentSheet,
const DOM::DOMString &media, bool fallbackToDescription = false);
MediaListImpl(CSSRuleImpl *parentRule, const DOM::DOMString &media, bool fallbackToDescription = false);
~MediaListImpl();
bool isMediaList() const override
{
return true;
}
CSSStyleSheetImpl *parentStyleSheet() const;
CSSRuleImpl *parentRule() const;
unsigned long length() const
{
return m_queries.size();
}
DOM::DOMString item(unsigned long index) const;
void deleteMedium(const DOM::DOMString &oldMedium, int &ec);
void appendMedium(const DOM::DOMString &newMedium, int &ec);
DOM::DOMString mediaText() const;
void setMediaText(const DOM::DOMString &value, int &ec);
void appendMediaQuery(khtml::MediaQuery *mediaQuery);
const QList<khtml::MediaQuery *> *mediaQueries() const
{
return &m_queries;
}
protected:
QList<khtml::MediaQuery *> m_queries;
bool m_fallback; // true if failed media query parsing should fallback to media description parsing
};
} // namespace
#endif
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