diff options
Diffstat (limited to 'src/webenginewidgets/api/qwebengineview.cpp')
| -rw-r--r-- | src/webenginewidgets/api/qwebengineview.cpp | 126 |
1 files changed, 125 insertions, 1 deletions
diff --git a/src/webenginewidgets/api/qwebengineview.cpp b/src/webenginewidgets/api/qwebengineview.cpp index 9ce954e06..a34c841e3 100644 --- a/src/webenginewidgets/api/qwebengineview.cpp +++ b/src/webenginewidgets/api/qwebengineview.cpp @@ -80,6 +80,13 @@ #include <QStyle> #include <QGuiApplication> +#if QT_CONFIG(webengine_printing_and_pdf) +#include "printing/printer_worker.h" + +#include <QPrinter> +#include <QThread> +#endif + QT_BEGIN_NAMESPACE void QWebEngineViewPrivate::pageChanged(QWebEnginePage *oldPage, QWebEnginePage *newPage) @@ -344,7 +351,13 @@ static QAccessibleInterface *webAccessibleFactory(const QString &, QObject *obje #endif // QT_NO_ACCESSIBILITY QWebEngineViewPrivate::QWebEngineViewPrivate() - : page(0), m_dragEntered(false), m_ownsPage(false), m_contextRequest(nullptr) + : page(0) + , m_dragEntered(false) + , m_ownsPage(false) + , m_contextRequest(nullptr) +#if QT_CONFIG(webengine_printing_and_pdf) + , currentPrinter(nullptr) +#endif { #ifndef QT_NO_ACCESSIBILITY QAccessible::installFactory(&webAccessibleFactory); @@ -495,6 +508,61 @@ QObject *QWebEngineViewPrivate::accessibilityParentObject() return q; } +void QWebEngineViewPrivate::didPrintPage(quint64 requestId, QSharedPointer<QByteArray> result) +{ +#if QT_CONFIG(webengine_printing_and_pdf) + Q_Q(QWebEngineView); + + // If no currentPrinter is set that means that were printing to PDF only. + if (!currentPrinter) { + if (!result.data()) + return; + page->d_ptr->m_callbacks.invoke(requestId, *(result.data())); + return; + } + + QThread *printerThread = new QThread; + QObject::connect(printerThread, &QThread::finished, printerThread, &QThread::deleteLater); + printerThread->start(); + + QtWebEngineCore::PrinterWorker *printerWorker = new QtWebEngineCore::PrinterWorker(result, currentPrinter); + printerWorker->m_deviceResolution = currentPrinter->resolution(); + printerWorker->m_firstPageFirst = currentPrinter->pageOrder() == QPrinter::FirstPageFirst; + printerWorker->m_documentCopies = currentPrinter->copyCount(); + printerWorker->m_collateCopies = currentPrinter->collateCopies(); + + QObject::connect(printerWorker, &QtWebEngineCore::PrinterWorker::resultReady, q, [requestId, this](bool success) { + currentPrinter = nullptr; + page->d_ptr->m_callbacks.invoke(requestId, success); + }); + + QObject::connect(printerWorker, &QtWebEngineCore::PrinterWorker::resultReady, printerThread, &QThread::quit); + QObject::connect(printerThread, &QThread::finished, printerWorker, &QtWebEngineCore::PrinterWorker::deleteLater); + + printerWorker->moveToThread(printerThread); + QMetaObject::invokeMethod(printerWorker, "print"); + +#else + // we should never enter this branch, but just for safe-keeping... + Q_UNUSED(result); + page->d_ptr->m_callbacks.invoke(requestId, QByteArray()); +#endif +} + +void QWebEngineViewPrivate::didPrintPageToPdf(const QString &filePath, bool success) +{ + Q_Q(QWebEngineView); + Q_EMIT q->pdfPrintingFinished(filePath, success); +} + +void QWebEngineViewPrivate::printRequested() +{ + Q_Q(QWebEngineView); + QTimer::singleShot(0, q, [q]() { + Q_EMIT q->printRequested(); + }); +} + bool QWebEngineViewPrivate::isVisible() const { Q_Q(const QWebEngineView); @@ -878,6 +946,62 @@ QWebEngineContextMenuRequest *QWebEngineView::lastContextMenuRequest() const return d->m_contextRequest; } +void QWebEngineView::printToPdf(const QString &filePath, const QPageLayout &layout) +{ +#if QT_CONFIG(webengine_printing_and_pdf) + Q_D(QWebEngineView); + if (d->currentPrinter) { + qWarning("Cannot print to PDF while printing at the same time."); + return; + } + page()->d_ptr->ensureInitialized(); + page()->d_ptr->adapter->printToPDF(layout, filePath); +#else + Q_UNUSED(filePath); + Q_UNUSED(layout); +#endif +} + +void QWebEngineView::printToPdf(const QWebEngineCallback<const QByteArray&> &resultCallback, const QPageLayout &layout) +{ +#if QT_CONFIG(webengine_printing_and_pdf) + Q_D(QWebEngineView); + if (d->currentPrinter) { + qWarning("Cannot print to PDF while printing at the same time."); + page()->d_ptr->m_callbacks.invokeEmpty(resultCallback); + return; + } + page()->d_ptr->ensureInitialized(); + quint64 requestId = page()->d_ptr->adapter->printToPDFCallbackResult(layout); + page()->d_ptr->m_callbacks.registerCallback(requestId, resultCallback); +#else + Q_UNUSED(layout); + page()->d_ptr->m_callbacks.invokeEmpty(resultCallback); +#endif +} + +void QWebEngineView::print(QPrinter *printer, const QWebEngineCallback<bool> &resultCallback) +{ +#if QT_CONFIG(webengine_printing_and_pdf) + Q_D(QWebEngineView); + if (d->currentPrinter) { + qWarning("Cannot print page on printer %ls: Already printing on a device.", qUtf16Printable(printer->printerName())); + page()->d_ptr->m_callbacks.invokeDirectly(resultCallback, false); + return; + } + + d->currentPrinter = printer; + page()->d_ptr->ensureInitialized(); + quint64 requestId = page()->d_ptr->adapter->printToPDFCallbackResult(printer->pageLayout(), + printer->colorMode() == QPrinter::Color, + false); + page()->d_ptr->m_callbacks.registerCallback(requestId, resultCallback); +#else + Q_UNUSED(printer); + page()->d_ptr->m_callbacks.invokeDirectly(resultCallback, false); +#endif +} + #ifndef QT_NO_ACCESSIBILITY bool QWebEngineViewAccessible::isValid() const { |