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-rw-r--r--src/core/printing/print_view_manager_qt.cpp24
-rw-r--r--src/core/printing/print_view_manager_qt.h4
-rw-r--r--src/core/web_contents_adapter.cpp4
-rw-r--r--src/core/web_contents_adapter_client.h2
-rw-r--r--src/webengine/api/qquickwebengineview.cpp4
-rw-r--r--src/webengine/api/qquickwebengineview_p_p.h2
-rw-r--r--src/webenginewidgets/api/qwebenginepage.cpp112
-rw-r--r--src/webenginewidgets/api/qwebenginepage_p.h2
-rw-r--r--src/webenginewidgets/printer_worker.cpp147
-rw-r--r--src/webenginewidgets/printer_worker.h88
-rw-r--r--src/webenginewidgets/webenginewidgets.pro3
11 files changed, 283 insertions, 109 deletions
diff --git a/src/core/printing/print_view_manager_qt.cpp b/src/core/printing/print_view_manager_qt.cpp
index ff9fc76be..b9b491e41 100644
--- a/src/core/printing/print_view_manager_qt.cpp
+++ b/src/core/printing/print_view_manager_qt.cpp
@@ -72,18 +72,18 @@ namespace {
static const qreal kMicronsToMillimeter = 1000.0f;
-static std::vector<char>
-GetStdVectorFromHandle(base::SharedMemoryHandle handle, uint32_t data_size)
+static QSharedPointer<QByteArray>
+GetByteArrayFromHandle(base::SharedMemoryHandle handle, uint32_t data_size)
{
std::unique_ptr<base::SharedMemory> shared_buf(
new base::SharedMemory(handle, true));
if (!shared_buf->Map(data_size)) {
- return std::vector<char>();
+ return QSharedPointer<QByteArray>(new QByteArray);
}
char* data = static_cast<char*>(shared_buf->memory());
- return std::vector<char>(data, data + data_size);
+ return QSharedPointer<QByteArray>(new QByteArray(data, data_size));
}
static scoped_refptr<base::RefCountedBytes>
@@ -247,7 +247,7 @@ void PrintViewManagerQt::PrintToPDFWithCallback(const QPageLayout &pageLayout,
// If there already is a pending print in progress, don't try starting another one.
if (m_printSettings) {
content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
- base::Bind(callback, std::vector<char>()));
+ base::Bind(callback, QSharedPointer<QByteArray>()));
return;
}
@@ -255,7 +255,7 @@ void PrintViewManagerQt::PrintToPDFWithCallback(const QPageLayout &pageLayout,
if (!PrintToPDFInternal(pageLayout, printInColor, useCustomMargins)) {
content::BrowserThread::PostTask(content::BrowserThread::UI,
FROM_HERE,
- base::Bind(callback, std::vector<char>()));
+ base::Bind(callback, QSharedPointer<QByteArray>()));
resetPdfState();
}
@@ -358,18 +358,18 @@ void PrintViewManagerQt::OnMetafileReadyForPrinting(content::RenderFrameHost* rf
StopWorker(params.document_cookie);
// Create local copies so we can reset the state and take a new pdf print job.
- base::Callback<void(const std::vector<char>&)> pdf_print_callback = m_pdfPrintCallback;
+ base::Callback<void(QSharedPointer<QByteArray>)> pdf_print_callback = m_pdfPrintCallback;
base::Callback<void(bool)> pdf_save_callback = m_pdfSaveCallback;
base::FilePath pdfOutputPath = m_pdfOutputPath;
resetPdfState();
if (!pdf_print_callback.is_null()) {
- std::vector<char> data_vector = GetStdVectorFromHandle(params.content.metafile_data_handle,
- params.content.data_size);
+ QSharedPointer<QByteArray> data_array = GetByteArrayFromHandle(params.content.metafile_data_handle,
+ params.content.data_size);
content::BrowserThread::PostTask(content::BrowserThread::UI,
FROM_HERE,
- base::Bind(pdf_print_callback, data_vector));
+ base::Bind(pdf_print_callback, data_array));
} else {
scoped_refptr<base::RefCountedBytes> data_bytes
= GetBytesFromHandle(params.content.metafile_data_handle, params.content.data_size);
@@ -394,7 +394,7 @@ void PrintViewManagerQt::NavigationStopped()
if (!m_pdfPrintCallback.is_null()) {
content::BrowserThread::PostTask(content::BrowserThread::UI,
FROM_HERE,
- base::Bind(m_pdfPrintCallback, std::vector<char>()));
+ base::Bind(m_pdfPrintCallback, QSharedPointer<QByteArray>()));
}
resetPdfState();
PrintViewManagerBaseQt::NavigationStopped();
@@ -406,7 +406,7 @@ void PrintViewManagerQt::RenderProcessGone(base::TerminationStatus status)
if (!m_pdfPrintCallback.is_null()) {
content::BrowserThread::PostTask(content::BrowserThread::UI,
FROM_HERE,
- base::Bind(m_pdfPrintCallback, std::vector<char>()));
+ base::Bind(m_pdfPrintCallback, QSharedPointer<QByteArray>()));
}
resetPdfState();
}
diff --git a/src/core/printing/print_view_manager_qt.h b/src/core/printing/print_view_manager_qt.h
index 209be8782..b21389691 100644
--- a/src/core/printing/print_view_manager_qt.h
+++ b/src/core/printing/print_view_manager_qt.h
@@ -56,6 +56,8 @@
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/web_contents_user_data.h"
+#include <QSharedPointer>
+
struct PrintHostMsg_RequestPrintPreview_Params;
struct PrintHostMsg_DidPreviewDocument_Params;
@@ -83,7 +85,7 @@ class PrintViewManagerQt
{
public:
~PrintViewManagerQt() override;
- typedef base::Callback<void(const std::vector<char> &result)> PrintToPDFCallback;
+ typedef base::Callback<void(QSharedPointer<QByteArray> result)> PrintToPDFCallback;
typedef base::Callback<void(bool success)> PrintToPDFFileCallback;
// Method to print a page to a Pdf document with page size \a pageSize in location \a filePath.
diff --git a/src/core/web_contents_adapter.cpp b/src/core/web_contents_adapter.cpp
index 21540f5da..0c29b3525 100644
--- a/src/core/web_contents_adapter.cpp
+++ b/src/core/web_contents_adapter.cpp
@@ -210,10 +210,10 @@ static void callbackOnEvaluateJS(WebContentsAdapterClient *adapterClient, quint6
#if QT_CONFIG(webengine_printing_and_pdf)
static void callbackOnPrintingFinished(WebContentsAdapterClient *adapterClient,
int requestId,
- const std::vector<char>& result)
+ QSharedPointer<QByteArray> result)
{
if (requestId)
- adapterClient->didPrintPage(requestId, QByteArray(result.data(), result.size()));
+ adapterClient->didPrintPage(requestId, result);
}
static void callbackOnPdfSavingFinished(WebContentsAdapterClient *adapterClient,
diff --git a/src/core/web_contents_adapter_client.h b/src/core/web_contents_adapter_client.h
index b4f7d3f95..f9d0c0781 100644
--- a/src/core/web_contents_adapter_client.h
+++ b/src/core/web_contents_adapter_client.h
@@ -445,7 +445,7 @@ public:
virtual void didFetchDocumentMarkup(quint64 requestId, const QString& result) = 0;
virtual void didFetchDocumentInnerText(quint64 requestId, const QString& result) = 0;
virtual void didFindText(quint64 requestId, int matchCount) = 0;
- virtual void didPrintPage(quint64 requestId, const QByteArray &result) = 0;
+ virtual void didPrintPage(quint64 requestId, QSharedPointer<QByteArray>) = 0;
virtual void didPrintPageToPdf(const QString &filePath, bool success) = 0;
virtual void passOnFocus(bool reverse) = 0;
// returns the last QObject (QWidget/QQuickItem) based object in the accessibility
diff --git a/src/webengine/api/qquickwebengineview.cpp b/src/webengine/api/qquickwebengineview.cpp
index d9667a643..e2a8b562d 100644
--- a/src/webengine/api/qquickwebengineview.cpp
+++ b/src/webengine/api/qquickwebengineview.cpp
@@ -1130,12 +1130,12 @@ void QQuickWebEngineViewPrivate::didFindText(quint64 requestId, int matchCount)
callback.call(args);
}
-void QQuickWebEngineViewPrivate::didPrintPage(quint64 requestId, const QByteArray &result)
+void QQuickWebEngineViewPrivate::didPrintPage(quint64 requestId, QSharedPointer<QByteArray> result)
{
Q_Q(QQuickWebEngineView);
QJSValue callback = m_callbacks.take(requestId);
QJSValueList args;
- args.append(qmlEngine(q)->toScriptValue(result));
+ args.append(qmlEngine(q)->toScriptValue(*(result.data())));
callback.call(args);
}
diff --git a/src/webengine/api/qquickwebengineview_p_p.h b/src/webengine/api/qquickwebengineview_p_p.h
index cbba9b568..88a670867 100644
--- a/src/webengine/api/qquickwebengineview_p_p.h
+++ b/src/webengine/api/qquickwebengineview_p_p.h
@@ -128,7 +128,7 @@ public:
void didFetchDocumentMarkup(quint64, const QString&) override { }
void didFetchDocumentInnerText(quint64, const QString&) override { }
void didFindText(quint64, int) override;
- void didPrintPage(quint64 requestId, const QByteArray &result) override;
+ void didPrintPage(quint64 requestId, QSharedPointer<QByteArray>) override;
void didPrintPageToPdf(const QString &filePath, bool success) override;
void passOnFocus(bool reverse) override;
void javaScriptConsoleMessage(JavaScriptConsoleMessageLevel level, const QString& message, int lineNumber, const QString& sourceID) override;
diff --git a/src/webenginewidgets/api/qwebenginepage.cpp b/src/webenginewidgets/api/qwebenginepage.cpp
index 6a70203be..751f31462 100644
--- a/src/webenginewidgets/api/qwebenginepage.cpp
+++ b/src/webenginewidgets/api/qwebenginepage.cpp
@@ -48,7 +48,7 @@
#include "file_picker_controller.h"
#include "javascript_dialog_controller.h"
#if QT_CONFIG(webengine_printing_and_pdf)
-#include "printing/pdfium_document_wrapper_qt.h"
+#include "printer_worker.h"
#endif
#include "qwebenginecertificateerror.h"
#include "qwebenginefullscreenrequest.h"
@@ -94,6 +94,7 @@
#include <QMimeData>
#if QT_CONFIG(webengine_printing_and_pdf)
#include <QPrinter>
+#include <QThread>
#endif
#include <QStandardPaths>
#include <QStyle>
@@ -106,89 +107,6 @@ using namespace QtWebEngineCore;
static const int MaxTooltipLength = 1024;
-#if QT_CONFIG(webengine_printing_and_pdf)
-static bool printPdfDataOnPrinter(const QByteArray& data, QPrinter& printer)
-{
- if (!data.size()) {
- qWarning("Failure to print on printer %ls: Print result data is empty.",
- qUtf16Printable(printer.printerName()));
- return false;
- }
-
- QSize pageSize = printer.pageRect().size();
- PdfiumDocumentWrapperQt pdfiumWrapper(data.constData(), data.size(), pageSize);
-
- int toPage = printer.toPage();
- int fromPage = printer.fromPage();
- bool ascendingOrder = true;
-
- if (fromPage == 0 && toPage == 0) {
- fromPage = 1;
- toPage = pdfiumWrapper.pageCount();
- }
- fromPage = qMax(1, fromPage);
- toPage = qMin(pdfiumWrapper.pageCount(), toPage);
-
- if (printer.pageOrder() == QPrinter::LastPageFirst) {
- qSwap(fromPage, toPage);
- ascendingOrder = false;
- }
-
- int pageCopies = 1;
- int documentCopies = 1;
-
- if (!printer.supportsMultipleCopies())
- documentCopies = printer.copyCount();
-
- if (printer.collateCopies()) {
- pageCopies = documentCopies;
- documentCopies = 1;
- }
-
- QPainter painter;
- if (!painter.begin(&printer)) {
- qWarning("Failure to print on printer %ls: Could not open printer for painting.",
- qUtf16Printable(printer.printerName()));
- return false;
- }
-
- for (int printedDocuments = 0; printedDocuments < documentCopies; printedDocuments++) {
- int currentPageIndex = fromPage;
- while (true) {
- for (int printedPages = 0; printedPages < pageCopies; printedPages++) {
- if (printer.printerState() == QPrinter::Aborted
- || printer.printerState() == QPrinter::Error)
- return false;
-
- QImage currentImage = pdfiumWrapper.pageAsQImage(currentPageIndex - 1);
- if (currentImage.isNull())
- return false;
-
- // Painting operations are automatically clipped to the bounds of the drawable part of the page.
- painter.drawImage(QRect(0, 0, pageSize.width(), pageSize.height()), currentImage, currentImage.rect());
- if (printedPages < pageCopies - 1)
- printer.newPage();
- }
-
- if (currentPageIndex == toPage)
- break;
-
- if (ascendingOrder)
- currentPageIndex++;
- else
- currentPageIndex--;
-
- printer.newPage();
- }
- if (printedDocuments < documentCopies - 1)
- printer.newPage();
- }
- painter.end();
-
- return true;
-}
-#endif // QT_CONFIG(webengine_printing_and_pdf)
-
static QWebEnginePage::WebWindowType toWindowType(WebContentsAdapterClient::WindowOpenDisposition disposition)
{
switch (disposition) {
@@ -502,19 +420,35 @@ void QWebEnginePagePrivate::didFindText(quint64 requestId, int matchCount)
m_callbacks.invoke(requestId, matchCount > 0);
}
-void QWebEnginePagePrivate::didPrintPage(quint64 requestId, const QByteArray &result)
+void QWebEnginePagePrivate::didPrintPage(quint64 requestId, QSharedPointer<QByteArray> result)
{
#if QT_CONFIG(webengine_printing_and_pdf)
+ Q_Q(QWebEnginePage);
+
// If no currentPrinter is set that means that were printing to PDF only.
if (!currentPrinter) {
- m_callbacks.invoke(requestId, result);
+ if (!result.data())
+ return;
+ m_callbacks.invoke(requestId, *(result.data()));
return;
}
- bool printerResult = printPdfDataOnPrinter(result, *currentPrinter);
+ QThread *printerThread = new QThread;
+ QObject::connect(printerThread, &QThread::finished, printerThread, &QThread::deleteLater);
+ printerThread->start();
+
+ PrinterWorker *printerWorker = new PrinterWorker(result, currentPrinter);
+ QObject::connect(printerWorker, &PrinterWorker::resultReady, q, [=](bool success) {
+ currentPrinter = nullptr;
+ m_callbacks.invoke(requestId, success);
+ });
+
+ QObject::connect(printerWorker, &PrinterWorker::resultReady, printerThread, &QThread::quit);
+ QObject::connect(printerThread, &QThread::finished, printerWorker, &PrinterWorker::deleteLater);
+
+ printerWorker->moveToThread(printerThread);
+ QMetaObject::invokeMethod(printerWorker, "print");
- currentPrinter = nullptr;
- m_callbacks.invoke(requestId, printerResult);
#else
// we should never enter this branch, but just for safe-keeping...
Q_UNUSED(result);
diff --git a/src/webenginewidgets/api/qwebenginepage_p.h b/src/webenginewidgets/api/qwebenginepage_p.h
index 7b4e52f79..ddd9e8342 100644
--- a/src/webenginewidgets/api/qwebenginepage_p.h
+++ b/src/webenginewidgets/api/qwebenginepage_p.h
@@ -124,7 +124,7 @@ public:
void didFetchDocumentMarkup(quint64 requestId, const QString& result) override;
void didFetchDocumentInnerText(quint64 requestId, const QString& result) override;
void didFindText(quint64 requestId, int matchCount) override;
- void didPrintPage(quint64 requestId, const QByteArray &result) override;
+ void didPrintPage(quint64 requestId, QSharedPointer<QByteArray> result) override;
void didPrintPageToPdf(const QString &filePath, bool success) override;
void passOnFocus(bool reverse) override;
void javaScriptConsoleMessage(JavaScriptConsoleMessageLevel level, const QString& message, int lineNumber, const QString& sourceID) override;
diff --git a/src/webenginewidgets/printer_worker.cpp b/src/webenginewidgets/printer_worker.cpp
new file mode 100644
index 000000000..3a670ad49
--- /dev/null
+++ b/src/webenginewidgets/printer_worker.cpp
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "printer_worker.h"
+
+#include "printing/pdfium_document_wrapper_qt.h"
+
+#include <QPainter>
+#include <QPrinter>
+
+namespace QtWebEngineCore {
+
+PrinterWorker::PrinterWorker(QSharedPointer<QByteArray> data, QPrinter *printer)
+ : m_data(data)
+ , m_printer(printer)
+{
+}
+
+PrinterWorker::~PrinterWorker()
+{
+}
+
+void PrinterWorker::print()
+{
+ if (!m_data->size()) {
+ qWarning("Failure to print on printer %ls: Print result data is empty.",
+ qUtf16Printable(m_printer->printerName()));
+ Q_EMIT resultReady(false);
+ return;
+ }
+
+ QSize pageSize = m_printer->pageRect().size();
+ PdfiumDocumentWrapperQt pdfiumWrapper(m_data->constData(), m_data->size(), pageSize);
+
+ int toPage = m_printer->toPage();
+ int fromPage = m_printer->fromPage();
+ bool ascendingOrder = true;
+
+ if (fromPage == 0 && toPage == 0) {
+ fromPage = 1;
+ toPage = pdfiumWrapper.pageCount();
+ }
+ fromPage = qMax(1, fromPage);
+ toPage = qMin(pdfiumWrapper.pageCount(), toPage);
+
+ if (m_printer->pageOrder() == QPrinter::LastPageFirst) {
+ qSwap(fromPage, toPage);
+ ascendingOrder = false;
+ }
+
+ int pageCopies = 1;
+ int documentCopies = 1;
+
+ if (!m_printer->supportsMultipleCopies())
+ documentCopies = m_printer->copyCount();
+
+ if (m_printer->collateCopies()) {
+ pageCopies = documentCopies;
+ documentCopies = 1;
+ }
+
+ QPainter painter;
+ if (!painter.begin(m_printer)) {
+ qWarning("Failure to print on printer %ls: Could not open printer for painting.",
+ qUtf16Printable(m_printer->printerName()));
+ Q_EMIT resultReady(false);
+ return;
+ }
+
+ for (int printedDocuments = 0; printedDocuments < documentCopies; printedDocuments++) {
+ int currentPageIndex = fromPage;
+ while (true) {
+ for (int printedPages = 0; printedPages < pageCopies; printedPages++) {
+ if (m_printer->printerState() == QPrinter::Aborted
+ || m_printer->printerState() == QPrinter::Error) {
+ Q_EMIT resultReady(false);
+ return;
+ }
+
+ QImage currentImage = pdfiumWrapper.pageAsQImage(currentPageIndex - 1);
+ if (currentImage.isNull()) {
+ Q_EMIT resultReady(false);
+ return;
+ }
+
+ // Painting operations are automatically clipped to the bounds of the drawable part of the page.
+ painter.drawImage(QRect(0, 0, pageSize.width(), pageSize.height()), currentImage, currentImage.rect());
+ if (printedPages < pageCopies - 1)
+ m_printer->newPage();
+ }
+
+ if (currentPageIndex == toPage)
+ break;
+
+ if (ascendingOrder)
+ currentPageIndex++;
+ else
+ currentPageIndex--;
+
+ m_printer->newPage();
+ }
+ if (printedDocuments < documentCopies - 1)
+ m_printer->newPage();
+ }
+ painter.end();
+
+ Q_EMIT resultReady(true);
+ return;
+}
+
+} // namespace QtWebEngineCore
diff --git a/src/webenginewidgets/printer_worker.h b/src/webenginewidgets/printer_worker.h
new file mode 100644
index 000000000..96025c90e
--- /dev/null
+++ b/src/webenginewidgets/printer_worker.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef PRINTER_WORKER_H
+#define PRINTER_WORKER_H
+
+#include "qtwebenginecoreglobal_p.h"
+
+#include <QSharedPointer>
+
+QT_BEGIN_NAMESPACE
+class QPrinter;
+QT_END_NAMESPACE
+
+namespace QtWebEngineCore {
+
+class PrinterWorker : public QObject
+{
+ Q_OBJECT
+public:
+ PrinterWorker(QSharedPointer<QByteArray> data, QPrinter *printer);
+ virtual ~PrinterWorker();
+
+public Q_SLOTS:
+ void print();
+
+Q_SIGNALS:
+ void resultReady(bool success);
+
+private:
+ Q_DISABLE_COPY(PrinterWorker)
+
+ QSharedPointer<QByteArray> m_data;
+ QPrinter *m_printer;
+};
+
+} // namespace QtWebEngineCore
+
+Q_DECLARE_METATYPE(QtWebEngineCore::PrinterWorker*)
+
+#endif // PRINTER_WORKER_H
diff --git a/src/webenginewidgets/webenginewidgets.pro b/src/webenginewidgets/webenginewidgets.pro
index e61575d3a..4669c2bce 100644
--- a/src/webenginewidgets/webenginewidgets.pro
+++ b/src/webenginewidgets/webenginewidgets.pro
@@ -49,6 +49,9 @@ HEADERS = \
qtConfig(webengine-printing-and-pdf) {
QT += printsupport
+
+ SOURCES += printer_worker.cpp
+ HEADERS += printer_worker.h
}
load(qt_module)