html_headimpl.cpp

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    HTMLElementImpl::removedFromDocument();
    process();
}

void HTMLLinkElementImpl::setStyleSheet(const DOM::DOMString &url, const DOM::DOMString &sheetStr)
{
//    kdDebug( 6030 ) << "HTMLLinkElement::setStyleSheet()" << endl;
//    kdDebug( 6030 ) << "**** current medium: " << m_media << endl;

    if (m_sheet)
        m_sheet->deref();
    m_sheet = new CSSStyleSheetImpl(this, url);
    kdDebug( 6030 ) << "style sheet parse mode strict = " << ( !getDocument()->inCompatMode() ) << endl;
    m_sheet->ref();
    m_sheet->parseString( sheetStr, !getDocument()->inCompatMode() );

    MediaListImpl *media = new MediaListImpl( m_sheet, m_media );
    m_sheet->setMedia( media );

    m_loading = false;

    // Tell the doc about the sheet.
    if (!isLoading() && m_sheet && !isDisabled() && !isAlternate())
        getDocument()->stylesheetLoaded();
}

bool HTMLLinkElementImpl::isLoading() const
{
//    kdDebug( 6030 ) << "link: checking if loading!" << endl;
    if(m_loading) return true;
    if(!m_sheet) return false;
    //if(!m_sheet->isCSSStyleSheet()) return false;
    return static_cast<CSSStyleSheetImpl *>(m_sheet)->isLoading();
}

void HTMLLinkElementImpl::sheetLoaded()
{
    if (!isLoading() && !isDisabled() && !isAlternate())
        getDocument()->stylesheetLoaded();
}

bool HTMLLinkElementImpl::isURLAttribute(AttributeImpl *attr) const
{
    return attr->id() == ATTR_HREF;
}

// -------------------------------------------------------------------------

HTMLMetaElementImpl::HTMLMetaElementImpl(DocumentPtr *doc) : HTMLElementImpl(doc)
{
}

HTMLMetaElementImpl::~HTMLMetaElementImpl()
{
}

NodeImpl::Id HTMLMetaElementImpl::id() const
{
    return ID_META;
}

void HTMLMetaElementImpl::parseHTMLAttribute(HTMLAttributeImpl *attr)
{
    switch(attr->id())
    {
    case ATTR_HTTP_EQUIV:
	m_equiv = attr->value();
	process();
	break;
    case ATTR_CONTENT:
	m_content = attr->value();
	process();
	break;
    case ATTR_NAME:
      break;
    default:
        HTMLElementImpl::parseHTMLAttribute(attr);
    }
}

void HTMLMetaElementImpl::insertedIntoDocument()
{
    HTMLElementImpl::insertedIntoDocument();
    process();
}

void HTMLMetaElementImpl::process()
{
    // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while
    // it's not in the tree shouldn't have any effect on the document)
    if (inDocument() && !m_equiv.isNull() && !m_content.isNull())
	getDocument()->processHttpEquiv(m_equiv,m_content);
}

// -------------------------------------------------------------------------

HTMLScriptElementImpl::HTMLScriptElementImpl(DocumentPtr *doc) : HTMLElementImpl(doc)
{
}

HTMLScriptElementImpl::~HTMLScriptElementImpl()
{
}

NodeImpl::Id HTMLScriptElementImpl::id() const
{
    return ID_SCRIPT;
}

bool HTMLScriptElementImpl::isURLAttribute(AttributeImpl *attr) const
{
    return attr->id() == ATTR_SRC;
}

// -------------------------------------------------------------------------

HTMLStyleElementImpl::HTMLStyleElementImpl(DocumentPtr *doc) : HTMLElementImpl(doc)
{
    m_sheet = 0;
    m_loading = false;
}

HTMLStyleElementImpl::~HTMLStyleElementImpl()
{
    if(m_sheet) m_sheet->deref();
}

NodeImpl::Id HTMLStyleElementImpl::id() const
{
    return ID_STYLE;
}

// other stuff...
void HTMLStyleElementImpl::parseHTMLAttribute(HTMLAttributeImpl *attr)
{
    switch (attr->id())
    {
    case ATTR_TYPE:
        m_type = attr->value().domString().lower();
        break;
    case ATTR_MEDIA:
        m_media = attr->value().string().lower();
        break;
    default:
        HTMLElementImpl::parseHTMLAttribute(attr);
    }
}

void HTMLStyleElementImpl::insertedIntoDocument()
{
    HTMLElementImpl::insertedIntoDocument();
    if (m_sheet)
        getDocument()->updateStyleSelector();
}

void HTMLStyleElementImpl::removedFromDocument()
{
    HTMLElementImpl::removedFromDocument();
    if (m_sheet)
        getDocument()->updateStyleSelector();
}

void HTMLStyleElementImpl::childrenChanged()
{
    DOMString text = "";

    for (NodeImpl *c = firstChild(); c != 0; c = c->nextSibling()) {
	if ((c->nodeType() == Node::TEXT_NODE) ||
	    (c->nodeType() == Node::CDATA_SECTION_NODE) ||
	    (c->nodeType() == Node::COMMENT_NODE))
	    text += c->nodeValue();
    }

    if (m_sheet) {
        if (static_cast<CSSStyleSheetImpl *>(m_sheet)->isLoading())
            getDocument()->stylesheetLoaded(); // Remove ourselves from the sheet list.
        m_sheet->deref();
        m_sheet = 0;
    }

    m_loading = false;
    if ((m_type.isEmpty() || m_type == "text/css") // Type must be empty or CSS
         && (m_media.isNull() || m_media.contains("screen") || m_media.contains("all") || m_media.contains("print"))) {
        getDocument()->addPendingSheet();
        m_loading = true;
        m_sheet = new CSSStyleSheetImpl(this);
        m_sheet->ref();
        m_sheet->parseString( text, !getDocument()->inCompatMode() );
        MediaListImpl *media = new MediaListImpl( m_sheet, m_media );
        m_sheet->setMedia( media );
        m_loading = false;
    }

    if (!isLoading() && m_sheet)
        getDocument()->stylesheetLoaded();
}

bool HTMLStyleElementImpl::isLoading() const
{
    if (m_loading) return true;
    if(!m_sheet) return false;
    return static_cast<CSSStyleSheetImpl *>(m_sheet)->isLoading();
}

void HTMLStyleElementImpl::sheetLoaded()
{
    if (!isLoading())
        getDocument()->stylesheetLoaded();
}

// -------------------------------------------------------------------------

HTMLTitleElementImpl::HTMLTitleElementImpl(DocumentPtr *doc)
    : HTMLElementImpl(doc)
{
}

HTMLTitleElementImpl::~HTMLTitleElementImpl()
{
}

NodeImpl::Id HTMLTitleElementImpl::id() const
{
    return ID_TITLE;
}

void HTMLTitleElementImpl::insertedIntoDocument()
{
    HTMLElementImpl::insertedIntoDocument();
#if APPLE_CHANGES
    // Only allow title to be set by first <title> encountered.
    if (getDocument()->title().isEmpty())
        getDocument()->setTitle(m_title);
#else
        getDocument()->setTitle(m_title);
#endif
}

void HTMLTitleElementImpl::removedFromDocument()
{
    HTMLElementImpl::removedFromDocument();
    // Title element removed, so we have no title... we ignore the case of multiple title elements, as it's invalid
    // anyway (?)
    getDocument()->setTitle(DOMString());
}

void HTMLTitleElementImpl::childrenChanged()
{
    HTMLElementImpl::childrenChanged();
    m_title = "";
    for (NodeImpl *c = firstChild(); c != 0; c = c->nextSibling()) {
	if ((c->nodeType() == Node::TEXT_NODE) || (c->nodeType() == Node::CDATA_SECTION_NODE))
	    m_title += c->nodeValue();
    }
#if APPLE_CHANGES
    // Only allow title to be set by first <title> encountered.
    if (inDocument() && getDocument()->title().isEmpty())
#else
    if (inDocument()))
#endif
	getDocument()->setTitle(m_title);
}