C++ (Cpp) QWebElement::appendOutside示例

// --- DIAGNOSE LOAD ---
// Verify that the page loaded successfully, else present error message.
// If successful, set other data parts and handle filters.
void MainWindow::diagnoseLoad(bool ok) {
    setReloadButton();
    if (!ok) {
        //QMessageBox::critical(this, tr("Error"), tr("Failed to load the URL")); // FIXME: triggers crash with favicon path customized due to QtWebkit bug!
        // Don't return to the event loop.
    }
    else {
        //QWidget* tab = tabWidget->currentWidget
        tabWidget->setTabText(tabWidget->currentIndex(), wv->title());
        tabWidget->setTabIcon(tabWidget->currentIndex(), wv->icon());
        addressBar->setText(wv->url().toString());
        QString title = wv->title();
        if (title.size() > 200) {
            title.resize(200);
        }

        setWindowTitle(title + " - WildFox");

        // check the page URL against the filters
        if (extFilters.size() < 1) {
            return;
        }

        QWebPage* page = (QWebPage*) sender();
        if (page == 0) {
            return;
        }
        QWebFrame* frame = page->mainFrame();
        if (frame == 0) {
            return;
        }
        QString url = frame->url().path();
        QStringList urlbit = url.split("://");
        QDir extension;
        extension.setPath(manifest.fileName());
        if (urlbit.size() > 1) {
            QString scheme = urlbit[0];
            QStringList bits = urlbit[1].split(".");
            for (int i = 0; i < extFilters.size(); ++i) {
                if (extFilters[i].scheme != scheme) {
                    continue;
                }
                for (int j = 0; extFilters[i].segments.size(); ++j) {
                    if (extFilters[i].segments[j] != bits[j] && extFilters[i].segments[j] != "*") {
                        continue;
                    }
                }

                // matched filter, inject associated scripts into the content.
                QWebElement root = frame->documentElement();
                QWebElement head = root.findFirst("head");
                head.appendOutside("<script type=\"text/javascript\" src=\"" +
                                   extension.absolutePath() + "\" />");
            }
        }
    }
}