C++ KHTMLPart::htmlDocument方法代码示例

void KGet_plug_in::slotShowLinks()
{
    if ( !parent() || !parent()->inherits( "KHTMLPart" ) )
        return;

    KHTMLPart *htmlPart = static_cast<KHTMLPart*>( parent() );
    KParts::Part *activePart = 0L;
    if ( htmlPart->partManager() )
    {
        activePart = htmlPart->partManager()->activePart();
        if ( activePart && activePart->inherits( "KHTMLPart" ) )
            htmlPart = static_cast<KHTMLPart*>( activePart );
    }

    DOM::HTMLDocument doc = htmlPart->htmlDocument();
    if ( doc.isNull() )
        return;

    DOM::HTMLCollection links = doc.links();

    QPtrList<LinkItem> linkList;
    std::set<QString> dupeCheck;
    for ( uint i = 0; i < links.length(); i++ )
    {
        DOM::Node link = links.item( i );
        if ( link.isNull() || link.nodeType() != DOM::Node::ELEMENT_NODE )
            continue;

        LinkItem *item = new LinkItem( (DOM::Element) link );
        if ( item->isValid() &&
             dupeCheck.find( item->url.url() ) == dupeCheck.end() )
        {
            linkList.append( item );
            dupeCheck.insert( item->url.url() );
        }
        else
            delete item;
    }

    if ( linkList.isEmpty() )
    {
        KMessageBox::sorry( htmlPart->widget(),
            i18n("There are no links in the active frame of the current HTML page."),
            i18n("No Links") );
        return;
    }

    KGetLinkView *view = new KGetLinkView();
    QString url = doc.URL().string();
    view->setPageURL( url );

    view->setLinks( linkList );
    view->show();
}

Audio::Audio(ExecState *exec, DOM::DocumentImpl* d, const QString& url)
 :  m_doc(d), 
    m_cs(0),
    m_qObj(new AudioQObject(this)),
    m_onLoadListener(0), 
    m_onErrorListener(0)
{
    setPrototype(AudioProto::self(exec));
    KHTMLPart *part = qobject_cast<KHTMLPart*>(Window::retrieveActive(exec)->part());
    if (part)
        m_url = part->htmlDocument().completeURL(url).string();
    m_cs = m_doc->docLoader()->requestSound( DOM::DOMString(m_url) );
}

void KHTMLPluginKTTSD::slotReadOut()
{
    // The parent is assumed to be a KHTMLPart
    if(!parent()->inherits("KHTMLPart"))
        QMessageBox::warning(0, i18n("Cannot Read source"), i18n("You cannot read anything except web pages with\n"
                                                                 "this plugin, sorry."));
    else
    {
        // If KTTSD not running, start it.
        DCOPClient *client = kapp->dcopClient();
        if(!client->isApplicationRegistered("kttsd"))
        {
            QString error;
            if(kapp->startServiceByDesktopName("kttsd", QStringList(), &error))
                QMessageBox::warning(0, i18n("Starting KTTSD Failed"), error);
        }

        // Find out if KTTSD supports xhtml (rich speak).
        QByteArray data;
        QBuffer dataBuf(data);
        QDataStream arg;
        dataBuf.open(IO_WriteOnly);
        arg.setDevice(&dataBuf);
        arg << "" << KSpeech::mtHtml;
        QCString replyType;
        QByteArray replyData;
        bool supportsXhtml = false;
        if(!client->call("kttsd", "KSpeech", "supportsMarkup(QString,uint)", data, replyType, replyData, true))
            QMessageBox::warning(0, i18n("DCOP Call Failed"), i18n("The DCOP call supportsMarkup failed."));
        else
        {
            QDataStream reply(replyData, IO_ReadOnly);
            reply >> supportsXhtml;
        }

        KHTMLPart *part = (KHTMLPart *)parent();

        QString query;
        if(supportsXhtml)
        {
            kdDebug() << "KTTS claims to support rich speak (XHTML to SSML)." << endl;
            if(part->hasSelection())
                query = part->selectedTextAsHTML();
            else
            {
                // TODO: Fooling around with the selection probably has unwanted
                // side effects, but until a method is supplied to get valid xhtml
                // from entire document..
                // query = part->document().toString().string();
                part->selectAll();
                query = part->selectedTextAsHTML();
                // Restore no selection.
                part->setSelection(part->document().createRange());
            }
        }
        else
        {
            if(part->hasSelection())
                query = part->selectedText();
            else
                query = part->htmlDocument().body().innerText().string();
        }
        // kdDebug() << "KHTMLPluginKTTSD::slotReadOut: query = " << query << endl;

        dataBuf.at(0); // reset data
        arg << query << "";
        if(!client->call("kttsd", "KSpeech", "setText(QString,QString)", data, replyType, replyData, true))
            QMessageBox::warning(0, i18n("DCOP Call Failed"), i18n("The DCOP call setText failed."));
        dataBuf.at(0);
        arg << 0;
        if(!client->call("kttsd", "KSpeech", "startText(uint)", data, replyType, replyData, true))
            QMessageBox::warning(0, i18n("DCOP Call Failed"), i18n("The DCOP call startText failed."));
    }
}