1 files changed, 391 insertions, 0 deletions
diff --git a/khtml/css/css_ruleimpl.cpp b/khtml/css/css_ruleimpl.cpp
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+++ b/khtml/css/css_ruleimpl.cpp
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+/**
+ * This file is part of the DOM implementation for KDE.
+ *
+ * (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2002 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.
+ */
+#include "dom/css_rule.h"
+#include "dom/css_stylesheet.h"
+#include "dom/dom_exception.h"
+#include "dom/dom_string.h"
+
+#include "css/css_stylesheetimpl.h"
+#include "css/css_valueimpl.h"
+#include "css/cssparser.h"
+#include "css/css_ruleimpl.h"
+
+#include "misc/loader.h"
+#include "misc/htmltags.h"
+#include "misc/htmlattrs.h"
+#include "xml/dom_docimpl.h"
+
+using namespace DOM;
+
+#include <kdebug.h>
+
+CSSStyleSheetImpl *CSSRuleImpl::parentStyleSheet() const
+{
+    return ( m_parent && m_parent->isCSSStyleSheet() )  ?
+	static_cast<CSSStyleSheetImpl *>(m_parent) : 0;
+}
+
+CSSRuleImpl *CSSRuleImpl::parentRule() const
+{
+    return ( m_parent && m_parent->isRule() )  ?
+	static_cast<CSSRuleImpl *>(m_parent) : 0;
+}
+
+DOM::DOMString CSSRuleImpl::cssText() const
+{
+    // ###
+    return DOMString();
+}
+
+void CSSRuleImpl::setCssText(DOM::DOMString /*str*/)
+{
+    // ###
+}
+
+// ---------------------------------------------------------------------------
+
+CSSFontFaceRuleImpl::CSSFontFaceRuleImpl(StyleBaseImpl *parent)
+    : CSSRuleImpl(parent)
+{
+    m_type = CSSRule::FONT_FACE_RULE;
+    m_style = 0;
+}
+
+CSSFontFaceRuleImpl::~CSSFontFaceRuleImpl()
+{
+    if(m_style) m_style->deref();
+}
+
+// --------------------------------------------------------------------------
+
+CSSImportRuleImpl::CSSImportRuleImpl( StyleBaseImpl *parent,
+                                      const DOM::DOMString &href,
+                                      MediaListImpl *media )
+    : CSSRuleImpl(parent)
+{
+    m_type = CSSRule::IMPORT_RULE;
+
+    m_lstMedia = media;
+    if ( !m_lstMedia )
+	m_lstMedia = new MediaListImpl( this, DOMString() );
+    m_lstMedia->setParent( this );
+    m_lstMedia->ref();
+
+    m_strHref = href;
+    m_styleSheet = 0;
+
+    m_cachedSheet = 0;
+
+    init();
+}
+CSSImportRuleImpl::CSSImportRuleImpl( StyleBaseImpl *parent,
+                                      const DOM::DOMString &href,
+                                      const DOM::DOMString &media )
+    : CSSRuleImpl(parent)
+{
+    m_type = CSSRule::IMPORT_RULE;
+
+    m_lstMedia = new MediaListImpl( this, media );
+    m_lstMedia->ref();
+
+    m_strHref = href;
+    m_styleSheet = 0;
+
+    m_cachedSheet = 0;
+
+    init();
+}
+
+CSSImportRuleImpl::~CSSImportRuleImpl()
+{
+    if( m_lstMedia ) {
+ 	m_lstMedia->setParent( 0 );
+	m_lstMedia->deref();
+    }
+    if(m_styleSheet) {
+        m_styleSheet->setParent(0);
+        m_styleSheet->deref();
+    }
+
+    if(m_cachedSheet) m_cachedSheet->deref(this);
+}
+
+void CSSImportRuleImpl::setStyleSheet(const DOM::DOMString &url, const DOM::DOMString &sheet, const DOM::DOMString &charset)
+{
+    if ( m_styleSheet ) {
+        m_styleSheet->setParent(0);
+        m_styleSheet->deref();
+    }
+    m_styleSheet = new CSSStyleSheetImpl(this, url);
+    m_styleSheet->setCharset(charset);
+    m_styleSheet->ref();
+
+    CSSStyleSheetImpl *parent = parentStyleSheet();
+    m_styleSheet->parseString( sheet, parent ? parent->useStrictParsing() : true );
+    m_loading = false;
+    m_done = true;
+
+    checkLoaded();
+}
+
+void CSSImportRuleImpl::error(int /*err*/, const QString &/*text*/)
+{
+    if ( m_styleSheet ) {
+        m_styleSheet->setParent(0);
+        m_styleSheet->deref();
+    }
+    m_styleSheet = 0;
+
+    m_loading = false;
+    m_done = true;
+
+    checkLoaded();
+}
+
+bool CSSImportRuleImpl::isLoading()
+{
+    return ( m_loading || (m_styleSheet && m_styleSheet->isLoading()) );
+}
+
+void CSSImportRuleImpl::init()
+{
+    m_loading = 0;
+    m_done = false;
+    khtml::DocLoader *docLoader = 0;
+    StyleBaseImpl *root = this;
+    StyleBaseImpl *parent;
+    while ( ( parent = root->parent()) )
+	root = parent;
+    if (root->isCSSStyleSheet())
+	docLoader = static_cast<CSSStyleSheetImpl*>(root)->docLoader();
+
+    DOMString absHref = m_strHref;
+    CSSStyleSheetImpl *parentSheet = parentStyleSheet();
+    if (!parentSheet->href().isNull()) {
+      // use parent styleheet's URL as the base URL
+      absHref = KURL(KURL( parentSheet->href().string() ),m_strHref.string()).url();
+    }
+/*
+    else {
+      // use documents's URL as the base URL
+      DocumentImpl *doc = static_cast<CSSStyleSheetImpl*>(root)->doc();
+      absHref = KURL(doc->URL(),m_strHref.string()).url();
+    }
+*/
+    // Check for a cycle in our import chain.  If we encounter a stylesheet
+    // in our parent chain with the same URL, then just bail.
+    for ( parent = static_cast<StyleBaseImpl*>( this )->parent();
+         parent;
+         parent = parent->parent() )
+        if ( absHref == parent->baseURL().url() )
+            return;
+
+    m_cachedSheet = docLoader->requestStyleSheet(absHref, parentStyleSheet()->charset().string());
+
+    if (m_cachedSheet)
+    {
+      m_cachedSheet->ref(this);
+
+      // If the imported sheet is in the cache, then setStyleSheet gets called,
+      // and the sheet even gets parsed (via parseString).  In this case we have
+      // loaded (even if our subresources haven't), so if we have stylesheet after
+      // checking the cache, then we've clearly loaded. -dwh
+      // This can also happen when error() is called from within ref(). In either case,
+      // m_done is set to true.
+      if (!m_done)
+	m_loading = true;
+    }
+}
+
+// --------------------------------------------------------------------------
+CSSMediaRuleImpl::CSSMediaRuleImpl( StyleBaseImpl *parent, MediaListImpl *mediaList, CSSRuleListImpl *ruleList )
+    :   CSSRuleImpl( parent )
+{
+    m_type = CSSRule::MEDIA_RULE;
+    m_lstMedia = mediaList;
+    m_lstMedia->ref();
+    m_lstCSSRules = ruleList;
+    m_lstCSSRules->ref();
+}
+
+CSSMediaRuleImpl::CSSMediaRuleImpl(StyleBaseImpl *parent)
+    :   CSSRuleImpl( parent )
+{
+    m_type = CSSRule::MEDIA_RULE;
+    m_lstMedia = 0;
+    m_lstCSSRules = new CSSRuleListImpl();
+    m_lstCSSRules->ref();
+}
+
+CSSMediaRuleImpl::CSSMediaRuleImpl( StyleBaseImpl *parent, const DOM::DOMString &media )
+:   CSSRuleImpl( parent )
+{
+    m_type = CSSRule::MEDIA_RULE;
+    m_lstMedia = new MediaListImpl( this, media );
+    m_lstMedia->ref();
+    m_lstCSSRules = new CSSRuleListImpl();
+    m_lstCSSRules->ref();
+}
+
+CSSMediaRuleImpl::~CSSMediaRuleImpl()
+{
+    if( m_lstMedia ) {
+	m_lstMedia->setParent( 0 );
+        m_lstMedia->deref();
+    }
+    for ( unsigned int i = 0; i < m_lstCSSRules->length(); ++i )
+        m_lstCSSRules->item(  i )->setParent(  0 );
+    m_lstCSSRules->deref();
+}
+
+unsigned long CSSMediaRuleImpl::append( CSSRuleImpl *rule )
+{
+    return rule ? m_lstCSSRules->insertRule( rule, m_lstCSSRules->length() ) : 0;
+}
+
+unsigned long CSSMediaRuleImpl::insertRule( const DOMString &rule,
+                                            unsigned long index )
+{
+    CSSParser p( strictParsing );
+    CSSRuleImpl *newRule = p.parseRule( parentStyleSheet(), rule );
+
+    return newRule ? m_lstCSSRules->insertRule( newRule, index ) : 0;
+}
+
+CSSRuleListImpl::~CSSRuleListImpl()
+{
+    CSSRuleImpl* rule;
+    while ( !m_lstCSSRules.isEmpty() && ( rule = m_lstCSSRules.take( 0 ) ) )
+        rule->deref();
+}
+
+// ---------------------------------------------------------------------------
+
+CSSPageRuleImpl::CSSPageRuleImpl(StyleBaseImpl *parent)
+    : CSSRuleImpl(parent)
+{
+    m_type = CSSRule::PAGE_RULE;
+    m_style = 0;
+}
+
+CSSPageRuleImpl::~CSSPageRuleImpl()
+{
+    if(m_style) m_style->deref();
+}
+
+DOM::DOMString CSSPageRuleImpl::selectorText() const
+{
+    // ###
+    return DOMString();
+}
+
+void CSSPageRuleImpl::setSelectorText(DOM::DOMString /*str*/)
+{
+    // ###
+}
+
+// --------------------------------------------------------------------------
+
+CSSStyleRuleImpl::CSSStyleRuleImpl(StyleBaseImpl *parent)
+    : CSSRuleImpl(parent)
+{
+    m_type = CSSRule::STYLE_RULE;
+    m_style = 0;
+    m_selector = 0;
+}
+
+CSSStyleRuleImpl::~CSSStyleRuleImpl()
+{
+    if(m_style) {
+	m_style->setParent( 0 );
+	m_style->deref();
+    }
+    delete m_selector;
+}
+
+DOM::DOMString CSSStyleRuleImpl::selectorText() const
+{
+    if (m_selector) {
+        DOMString str;
+        for (CSSSelector *s = m_selector->first(); s; s = m_selector->next()) {
+            if (s != m_selector->getFirst())
+                str += ", ";
+            str += s->selectorText();
+        }
+        return str;
+    }
+    return DOMString();
+}
+
+void CSSStyleRuleImpl::setSelectorText(DOM::DOMString /*str*/)
+{
+    // ###
+}
+
+bool CSSStyleRuleImpl::parseString( const DOMString &/*string*/, bool )
+{
+    // ###
+    return false;
+}
+
+void CSSStyleRuleImpl::setDeclaration( CSSStyleDeclarationImpl *style)
+{
+    if ( m_style != style ) {
+        if(m_style) m_style->deref();
+        m_style = style;
+        if(m_style) m_style->ref();
+    }
+}
+
+void CSSStyleRuleImpl::setNonCSSHints()
+{
+    CSSSelector *s = m_selector->first();
+    while ( s ) {
+	s->nonCSSHint = true;
+	s = m_selector->next();
+    }
+}
+
+void CSSRuleListImpl::deleteRule ( unsigned long index )
+{
+    CSSRuleImpl *rule = m_lstCSSRules.take( index );
+    if( rule )
+        rule->deref();
+    else {
+         // ### Throw INDEX_SIZE_ERR exception here (TODO)
+    }
+}
+
+unsigned long CSSRuleListImpl::insertRule( CSSRuleImpl *rule,
+                                           unsigned long index )
+{
+    if( rule && m_lstCSSRules.insert( index, rule ) )
+    {
+        rule->ref();
+        return index;
+    }
+
+    // ### Should throw INDEX_SIZE_ERR exception instead! (TODO)
+    return 0;
+}
+