feat(batch-print): add headless batch print for pdf/docx/djvu/xps

CMakeLists.txt

@@ -265,6 +265,12 @@ if (USE_PDFIUM_BUNDLE)
     add_subdirectory(3rdparty/deepin-pdfium)
 endif()
 
+add_subdirectory(batch-print)
+
+# Install context-menus (batch print)
+install(FILES src/context-menus/deepin-reader-batchprint.conf
+        DESTINATION ${CMAKE_INSTALL_DATADIR}/applications/context-menus)
+
 # 单元测试（可选）
 option(BUILD_TESTS "Build unit tests" OFF)
 if (BUILD_TESTS)

batch-print/CMakeLists.txt

@@ -0,0 +1,125 @@
+# SPDX-FileCopyrightText: 2026 UnionTech Software Technology Co., Ltd.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# [v4] Batch print unit tests switch (default OFF)
+# Unit tests moved to top-level tests/batch-print (built under BUILD_TESTS)
+
+# Find Qt components needed by batch-print modules (DBus for notifications, PrintSupport for QPdfWriter)
+pkg_check_modules(FREETYPE REQUIRED freetype2)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS DBus PrintSupport Sql)
+
+# Import the system pdfium target in this scope (reader/ creates it only for its own subtree)
+if (NOT USE_PDFIUM_BUNDLE)
+    pkg_check_modules(Deepin-pdfium REQUIRED IMPORTED_TARGET deepin-pdfium)
+endif()
+
+# batchprint-core: CupsClient + NotifyClient + PrintSettings + ErrorMessages (no reader source dependency)
+add_library(batchprint-core STATIC
+    cupsclient.h cupsclient.cpp
+    icupsapi.h
+    notifyclient.h notifyclient.cpp
+    printsettings.h printsettings.cpp
+    errormessages.h errormessages.cpp
+)
+
+target_include_directories(batchprint-core PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+target_link_libraries(batchprint-core PUBLIC
+    Qt${QT_VERSION_MAJOR}::Gui
+    Qt${QT_VERSION_MAJOR}::DBus
+)
+
+# batchprint-convert: FormatConverter (depends on selected reader/document sources + deepin-pdfium)
+# Explicitly list only the reader source files needed for document loading/rendering,
+# NOT the entire reader GUI (browser/sidebar/widgets/uiframe).
+set(BATCHPRINT_READER_SOURCES
+    ${CMAKE_SOURCE_DIR}/reader/app/Global.cpp
+    ${CMAKE_SOURCE_DIR}/reader/document/Model.cpp
+    ${CMAKE_SOURCE_DIR}/reader/document/PDFModel.cpp
+    ${CMAKE_SOURCE_DIR}/reader/document/DjVuModel.cpp
+    ${CMAKE_SOURCE_DIR}/reader/document/XpsDocumentAdapter.cpp
+    ${CMAKE_SOURCE_DIR}/reader/document/XpsTextExtractor.cpp
+)
+
+add_library(batchprint-convert STATIC
+    formatconverter.h formatconverter.cpp
+    ${BATCHPRINT_READER_SOURCES}
+)
+
+set_target_properties(batchprint-convert PROPERTIES
+    AUTOMOC ON
+    AUTOUIC ON
+)
+
+target_include_directories(batchprint-convert PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${CMAKE_SOURCE_DIR}/reader
+    ${CMAKE_SOURCE_DIR}/reader/app
+    ${CMAKE_SOURCE_DIR}/reader/document
+    ${PDFIUM_INCLUDE_DIRS}
+    $<$<BOOL:${XPS_SUPPORT_ENABLED}>:${XPS_DEPS_INCLUDE_DIRS}>
+)
+
+target_compile_definitions(batchprint-convert PRIVATE
+    INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}"
+    INSTALL_LIBDIR="${CMAKE_INSTALL_LIBDIR}"
+    APP_VERSION="1.0.0"
+)
+
+target_link_libraries(batchprint-convert PUBLIC
+    batchprint-core
+    Qt${QT_VERSION_MAJOR}::Gui
+    Qt${QT_VERSION_MAJOR}::Widgets
+    Qt${QT_VERSION_MAJOR}::PrintSupport
+    Qt${QT_VERSION_MAJOR}::Network
+    Qt${QT_VERSION_MAJOR}::Svg
+    Qt${QT_VERSION_MAJOR}::Concurrent
+    Qt${QT_VERSION_MAJOR}::Sql
+    Qt${QT_VERSION_MAJOR}::Xml
+    ${DDJVU_LIBRARIES}
+    ${LIBJPEG_LIBRARIES}
+    ${FREETYPE_LIBRARIES}
+    $<$<BOOL:${XPS_SUPPORT_ENABLED}>:${XPS_DEPS_LIBRARIES}>
+)
+
+# DTK linking
+if(DTK_USE_TARGETS)
+    target_link_libraries(batchprint-convert PUBLIC
+        Dtk${DTK_VERSION_MAJOR}::Widget
+        Dtk${DTK_VERSION_MAJOR}::Gui
+        Dtk${DTK_VERSION_MAJOR}::Core
+    )
+endif()
+
+if (QT_VERSION_MAJOR MATCHES 6)
+    target_link_libraries(batchprint-convert PUBLIC Qt${QT_VERSION_MAJOR}::Core5Compat)
+endif()
+
+if (USE_PDFIUM_BUNDLE)
+    target_link_libraries(batchprint-convert PUBLIC deepin-pdfium-reader)
+else()
+    target_link_libraries(batchprint-convert PUBLIC PkgConfig::Deepin-pdfium)
+endif()
+
+if (XPS_SUPPORT_ENABLED)
+    target_compile_definitions(batchprint-convert PUBLIC XPS_SUPPORT_ENABLED)
+    target_compile_options(batchprint-convert PUBLIC ${XPS_DEPS_CFLAGS_OTHER})
+endif()
+
+# Executable
+add_executable(deepin-reader-batchprint
+    main.cpp
+    batchprintapp.h batchprintapp.cpp
+)
+
+target_link_libraries(deepin-reader-batchprint PRIVATE
+    batchprint-core
+    batchprint-convert
+)
+
+install(TARGETS deepin-reader-batchprint
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)

batch-print/batchprintapp.cpp

@@ -0,0 +1,88 @@
+// SPDX-FileCopyrightText: 2026 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "batchprintapp.h"
+#include "formatconverter.h"
+#include "notifyclient.h"
+#include "errormessages.h"
+
+#include <QTemporaryDir>
+#include <QFileInfo>
+#include <QDebug>
+
+BatchPrintApp::BatchPrintApp(ICupsApi *cupsApi)
+{
+    if (cupsApi) {
+        m_cupsApi = cupsApi;
+        m_ownsCupsApi = false;
+    } else {
+        m_cupsApi = new CupsClient();
+        m_ownsCupsApi = true;
+    }
+}
+
+BatchPrintApp::~BatchPrintApp()
+{
+    if (m_ownsCupsApi)
+        delete m_cupsApi;
+}
+
+int BatchPrintApp::run(const QStringList &fileList)
+{
+    CupsClient *cups = dynamic_cast<CupsClient *>(m_cupsApi);
+    if (cups) {
+        if (!cups->init()) {
+            qWarning() << "CUPS init failed";
+            NotifyClient::notifyError(ErrorMessages::cupsUnavailable());
+            return 2;
+        }
+        if (!cups->checkEnvironment()) {
+            qWarning() << "CUPS environment check failed";
+            NotifyClient::notifyError(ErrorMessages::noDefaultPrinter());
+            return 2;
+        }
+        if (cups->isColorSupported()) {
+            m_settings.colorMode = ColorMode::Auto;
+        } else {
+            m_settings.colorMode = ColorMode::Gray;
+        }
+    }
+
+    int total = fileList.size();
+    int succeeded = 0;
+    QStringList failedFiles;
+
+    for (const QString &filePath : fileList) {
+        QTemporaryDir tempDir;
+        if (!tempDir.isValid()) {
+            failedFiles.append(QFileInfo(filePath).fileName());
+            continue;
+        }
+
+        QString outputPdfPath;
+        QString errorMsg;
+        if (!FormatConverter::convertToPdf(filePath, tempDir.path(),
+                                           outputPdfPath, errorMsg)) {
+            qWarning() << errorMsg;
+            failedFiles.append(QFileInfo(filePath).fileName());
+            continue;
+        }
+
+        QString jobTitle = QFileInfo(filePath).fileName();
+        bool printOk = m_cupsApi->submitJob(outputPdfPath, jobTitle, m_settings);
+
+        if (!printOk) {
+            failedFiles.append(QFileInfo(filePath).fileName());
+            continue;
+        }
+
+        ++succeeded;
+    }
+
+    NotifyClient::notifyResult(total, succeeded, failedFiles);
+
+    if (succeeded == total)
+        return 0;
+    return 1;
+}

batch-print/batchprintapp.h

@@ -0,0 +1,28 @@
+// SPDX-FileCopyrightText: 2026 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef BATCHPRINTAPP_H
+#define BATCHPRINTAPP_H
+
+#include "cupsclient.h"
+#include "printsettings.h"
+
+#include <QString>
+#include <QStringList>
+
+class BatchPrintApp
+{
+public:
+    explicit BatchPrintApp(ICupsApi *cupsApi = nullptr);
+    ~BatchPrintApp();
+
+    int run(const QStringList &fileList);
+
+private:
+    ICupsApi *m_cupsApi = nullptr;
+    bool m_ownsCupsApi = false;
+    PrintSettings m_settings;
+};
+
+#endif // BATCHPRINTAPP_H