Пример #1
0
void DirModel::delayedPreview()
{
    QHash<QUrl, QPersistentModelIndex>::const_iterator i = m_filesToPreview.constBegin();

    KFileItemList list;

    while (i != m_filesToPreview.constEnd()) {
        QUrl file = i.key();
        QPersistentModelIndex index = i.value();


        if (!m_previewJobs.contains(file) && file.isValid()) {
            list.append(KFileItem(file, QString(), 0));
            m_previewJobs.insert(file, QPersistentModelIndex(index));
        }

        ++i;
    }

    if (list.size() > 0) {
        KIO::PreviewJob* job = KIO::filePreview(list, m_screenshotSize);
        job->setIgnoreMaximumSize(true);
        // qDebug() << "Created job" << job;
        connect(job, &KIO::PreviewJob::gotPreview,
                this, &DirModel::showPreview);
        connect(job, &KIO::PreviewJob::failed,
                this, &DirModel::previewFailed);
    }

    m_filesToPreview.clear();
}
Пример #2
0
void ClipboardJob::start()
{
    const QString operation = operationName();
    // first check for operations not needing an item
    if (operation == QLatin1String("clearHistory")) {
        m_klipper->slotAskClearHistory();
        setResult(true);
        emitResult();
        return;
    } else if (operation == QLatin1String("configureKlipper")) {
        m_klipper->slotConfigure();
        setResult(true);
        emitResult();
        return;
    }

    // other operations need the item
    HistoryItemConstPtr item = m_klipper->history()->find(QByteArray::fromBase64(destination().toUtf8()));
    if (item.isNull()) {
        setResult(false);
        emitResult();
        return;
    }
    if (operation == QLatin1String("select")) {
        m_klipper->history()->slotMoveToTop(item->uuid());
        setResult(true);
    } else if (operation == QLatin1String("remove")) {
        m_klipper->history()->remove(item);
        setResult(true);
    } else if (operation == QLatin1String("edit")) {
        connect(m_klipper, &Klipper::editFinished, this,
            [this, item](HistoryItemConstPtr editedItem, int result) {
                if (item != editedItem) {
                    // not our item
                    return;
                }
                setResult(result);
                emitResult();
            }
        );
        m_klipper->editData(item);
        return;
    } else if (operation == QLatin1String("barcode")) {
#ifdef HAVE_PRISON
        int pixelWidth = parameters().value(QStringLiteral("width")).toInt();
        int pixelHeight = parameters().value(QStringLiteral("height")).toInt();
        Prison::AbstractBarcode *code = nullptr;
        switch (parameters().value(QStringLiteral("barcodeType")).toInt()) {
        case 1: {
            code = Prison::createBarcode(Prison::DataMatrix);
            const int size = qMin(pixelWidth, pixelHeight);
            pixelWidth = size;
            pixelHeight = size;
            break;
        }
        case 2: {
            code = Prison::createBarcode(Prison::Code39);
            break;
        }
        case 3: {
            code = Prison::createBarcode(Prison::Code93);
            break;
        }
        case 0:
        default: {
            code = Prison::createBarcode(Prison::QRCode);
            const int size = qMin(pixelWidth, pixelHeight);
            pixelWidth = size;
            pixelHeight = size;
            break;
        }
        }
        if (code) {
            code->setData(item->text());
            QFutureWatcher<QImage> *watcher = new QFutureWatcher<QImage>(this);
            connect(watcher, &QFutureWatcher<QImage>::finished, this,
                [this, watcher, code] {
                    setResult(watcher->result());
                    watcher->deleteLater();
                    delete code;
                    emitResult();
                }
            );
            auto future = QtConcurrent::run(code, &Prison::AbstractBarcode::toImage, QSizeF(pixelWidth, pixelHeight));
            watcher->setFuture(future);
            return;
        } else {
            setResult(false);
        }
#else
        setResult(false);
#endif
    } else if (operation == QLatin1String("action")) {
        m_klipper->urlGrabber()->invokeAction(item);
        setResult(true);

    } else if (operation == s_previewKey) {
        const int pixelWidth = parameters().value(s_previewWidthKey).toInt();
        const int pixelHeight = parameters().value(s_previewHeightKey).toInt();
        QUrl url = parameters().value(s_urlKey).toUrl();
        qCDebug(KLIPPER_LOG) << "URL: " << url;
        KFileItem item(url);

        if (pixelWidth <= 0 || pixelHeight <= 0) {
            qCWarning(KLIPPER_LOG) << "Preview size invalid: " << pixelWidth << "x" << pixelHeight;
            iconResult(item);
            return;
        }

        if (!url.isValid() || !url.isLocalFile()) { // no remote files
            qCWarning(KLIPPER_LOG) << "Invalid or non-local url for preview: " << url;
            iconResult(item);
            return;
        }

        KFileItemList urls;
        urls << item;

        KIO::PreviewJob* job = KIO::filePreview(urls, QSize(pixelWidth, pixelHeight));
        job->setIgnoreMaximumSize(true);
        connect(job, &KIO::PreviewJob::gotPreview, this,
            [this](const KFileItem &item, const QPixmap &preview) {
                QVariantMap res;
                res.insert(s_urlKey, item.url());
                res.insert(s_previewKey, preview);
                res.insert(s_iconKey, false);
                res.insert(s_previewWidthKey, preview.size().width());
                res.insert(s_previewHeightKey, preview.size().height());
                setResult(res);
                emitResult();
            }
        );
        connect(job, &KIO::PreviewJob::failed, this,
            [this](const KFileItem &item) {
                iconResult(item);
            }
        );

        job->start();

        return;
    } else {
        setResult(false);
    }
    emitResult();
}
void InformationPanelContent::showItem(const KFileItem& item)
{
    m_pendingPreview = false;

    const KUrl itemUrl = item.url();
    const bool isSearchUrl = itemUrl.protocol().contains("search") && item.nepomukUri().isEmpty();
    if (!applyPlace(itemUrl)) {
        setNameLabelText(item.text());
        if (isSearchUrl) {
            // in the case of a search-URL the URL is not readable for humans
            // (at least not useful to show in the Information Panel)
            KIconLoader iconLoader;
            QPixmap icon = iconLoader.loadIcon("nepomuk",
                                               KIconLoader::NoGroup,
                                               KIconLoader::SizeEnormous);
            m_preview->setPixmap(icon);
        } else {
            // try to get a preview pixmap from the item...
            m_pendingPreview = true;

            // Mark the currently shown preview as outdated. This is done
            // with a small delay to prevent a flickering when the next preview
            // can be shown within a short timeframe. This timer is not started
            // for directories, as directory previews might fail and return the
            // same icon.
            if (!item.isDir()) {
                m_outdatedPreviewTimer->start();
            }

            KIO::PreviewJob* job = new KIO::PreviewJob(KFileItemList() << item, QSize(m_preview->width(), m_preview->height()));
            job->setScaleType(KIO::PreviewJob::Unscaled);
            job->setIgnoreMaximumSize(item.isLocalFile());
            if (job->ui()) {
                job->ui()->setWindow(this);
            }

            connect(job, SIGNAL(gotPreview(KFileItem,QPixmap)),
                    this, SLOT(showPreview(KFileItem,QPixmap)));
            connect(job, SIGNAL(failed(KFileItem)),
                    this, SLOT(showIcon(KFileItem)));
        }
    }

    if (m_metaDataWidget) {
        m_metaDataWidget->show();
        m_metaDataWidget->setItems(KFileItemList() << item);
    }

    if (InformationPanelSettings::previewsShown()) {
        const QString mimeType = item.mimetype();
        const bool usePhonon = mimeType.startsWith("audio/") || mimeType.startsWith("video/");
        if (usePhonon) {
            m_phononWidget->show();
            m_phononWidget->setUrl(item.targetUrl());
            if (m_preview->isVisible()) {
                m_phononWidget->setVideoSize(m_preview->size());
            }
        } else {
            m_phononWidget->hide();
            m_preview->setVisible(true);
        }
    } else {
        m_phononWidget->hide();
    }

    m_item = item;
}