C++ ReadOnlyPart::browserExtension方法代码示例

void MainWindow::printRequested(QWebFrame *frame)
{
    if (!currentTab())
        return;

    if(currentTab()->page()->isOnRekonqPage())
    {
        // trigger print part action instead of ours..
        KParts::ReadOnlyPart *p = currentTab()->part();
        if(p)
        {
            KParts::BrowserExtension *ext = p->browserExtension();
            if(ext)
            {
                KParts::BrowserExtension::ActionSlotMap *actionSlotMap = KParts::BrowserExtension::actionSlotMapPtr();

                connect(this, SIGNAL(triggerPartPrint()), ext, actionSlotMap->value("print")); 
                emit triggerPartPrint();

                return;
            }
        }
    }

    QWebFrame *printFrame = 0;
    if (frame == 0)
    {
        printFrame = currentTab()->page()->mainFrame();
    }
    else
    {
        printFrame = frame;
    }

    QPrinter printer;
    QPrintPreviewDialog previewdlg(&printer, this);

    connect(&previewdlg, SIGNAL(paintRequested(QPrinter *)), printFrame, SLOT(print(QPrinter *)));

    previewdlg.exec();
}

void WebTab::printFrame()
{
    if (page()->isOnRekonqPage())
    {
        // trigger print part action instead of ours..
        KParts::ReadOnlyPart *p = part();
        if (p)
        {
            KParts::BrowserExtension *ext = p->browserExtension();
            if (ext)
            {
                KParts::BrowserExtension::ActionSlotMap *actionSlotMap = KParts::BrowserExtension::actionSlotMapPtr();

                connect(this, SIGNAL(triggerPartPrint()), ext, actionSlotMap->value("print"));
                emit triggerPartPrint();

                return;
            }
        }
    }

    QWebFrame *printFrame = page()->currentFrame();
    if (printFrame == 0)
    {
        printFrame = page()->mainFrame();
    }

    QPrinter printer;
    printer.setDocName(printFrame->title());
    QPrintDialog *printDialog = KdePrint::createPrintDialog(&printer, this);

    if (printDialog) //check if the Dialog was created
    {
        if (printDialog->exec())
            printFrame->print(&printer);

        delete printDialog;
    }
}

QObject* WebPluginFactory::create (const QString& _mimeType, const QUrl& url, const QStringList& argumentNames, const QStringList& argumentValues) const
{
    //kDebug() << _mimeType << url << argumentNames;
    QString mimeType (_mimeType.trimmed());
    if (mimeType.isEmpty()) {
        extractGuessedMimeType (url, &mimeType);
    }

    const bool noPluginHandling = WebKitSettings::self()->isInternalPluginHandlingDisabled();

    if (!noPluginHandling && WebKitSettings::self()->isLoadPluginsOnDemandEnabled()) {
        const uint id = pluginId(url, argumentNames, argumentValues);
        if (!mPluginsLoadedOnDemand.contains(id)) {
            FakePluginWidget* widget = new FakePluginWidget(id, url, mimeType);
            connect(widget, SIGNAL(pluginLoaded(uint)), this, SLOT(loadedPlugin(uint)));
            return widget;
        }
    }

    Q_ASSERT(mPart); // should never happen!!
    KParts::ReadOnlyPart* part = 0;
    QWebView* view = (mPart ? mPart->view() : 0);

    if (noPluginHandling || !excludedMimeType(mimeType)) {
        QWebFrame* frame = (view ? view->page()->currentFrame() : 0);
        if (frame) {
            part = createPartInstanceFrom(mimeType, argumentNames, argumentValues, view, frame);
        }
    }

    kDebug() << "Asked for" << mimeType << "plugin, got" << part;

    if (part) {
        connect (part->browserExtension(), SIGNAL (openUrlNotify()),
                 mPart->browserExtension(), SIGNAL (openUrlNotify()));

        connect (part->browserExtension(), SIGNAL (openUrlRequest (KUrl, KParts::OpenUrlArguments, KParts::BrowserArguments)),
                 mPart->browserExtension(), SIGNAL (openUrlRequest (KUrl, KParts::OpenUrlArguments, KParts::BrowserArguments)));

        // Check if this part is scriptable
        KParts::ScriptableExtension* scriptExt = KParts::ScriptableExtension::childObject(part);
        if (!scriptExt) {
            // Try to fall back to LiveConnectExtension compat
            KParts::LiveConnectExtension* lc = KParts::LiveConnectExtension::childObject(part);
            if (lc) {
                scriptExt = KParts::ScriptableExtension::adapterFromLiveConnect(part, lc);
            }
        }

        if (scriptExt) {
            scriptExt->setHost(KParts::ScriptableExtension::childObject(mPart));
        }

        QMap<QString, QString> metaData = part->arguments().metaData();
        QString urlStr = url.toString (QUrl::RemovePath | QUrl::RemoveQuery | QUrl::RemoveFragment);
        metaData.insert ("PropagateHttpHeader", "true");
        metaData.insert ("referrer", urlStr);
        metaData.insert ("cross-domain", urlStr);
        metaData.insert ("main_frame_request", "TRUE");
        metaData.insert ("ssl_activate_warnings", "TRUE");

        KWebPage *page = (view ? qobject_cast<KWebPage*>(view->page()) : 0);

        if (page) {
            const QString scheme = page->currentFrame()->url().scheme();
            if (page && (QString::compare (scheme, QL1S ("https"), Qt::CaseInsensitive) == 0 ||
                         QString::compare (scheme, QL1S ("webdavs"), Qt::CaseInsensitive) == 0))
                metaData.insert ("ssl_was_in_use", "TRUE");
            else
                metaData.insert ("ssl_was_in_use", "FALSE");
        }

        KParts::OpenUrlArguments openUrlArgs = part->arguments();
        openUrlArgs.metaData() = metaData;
        openUrlArgs.setMimeType(mimeType);
        part->setArguments(openUrlArgs);
        QMetaObject::invokeMethod(part, "openUrl", Qt::QueuedConnection, Q_ARG(KUrl, KUrl(url)));
        return part->widget();
    }

    return 0;
}