/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <unistd.h>

#include <unx/cpdmgr.hxx>

#include <osl/diagnose.h>
#include <osl/thread.h>

#include <rtl/ustrbuf.hxx>
#include <sal/log.hxx>

#include <config_dbus.h>
#include <config_gio.h>

#include <algorithm>

using namespace psp;
using namespace osl;

#if ENABLE_DBUS && ENABLE_GIO
// Function to execute when name is acquired on the bus
void CPDManager::onNameAcquired (GDBusConnection *connection,
                                 const gchar *,
                                 gpointer user_data)
{
    gchar* contents;
    GDBusNodeInfo *introspection_data;

    // Get Interface for introspection
    g_file_get_contents (FRONTEND_INTERFACE, &contents, nullptr, nullptr);
    introspection_data = g_dbus_node_info_new_for_xml (contents, nullptr);

    g_dbus_connection_register_object (connection,
                                       "/org/libreoffice/PrintDialog",
                                       introspection_data->interfaces[0],
                                       nullptr,
                                       nullptr,  /* user_data */
                                       nullptr,  /* user_data_free_func */
                                       nullptr); /* GError** */
    g_free(contents);
    g_dbus_node_info_unref(introspection_data);

    CPDManager* current = static_cast<CPDManager*>(user_data);
    std::vector<std::pair<std::string, gchar*>> backends = current->getTempBackends();
    for (auto const& backend : backends)
    {
        GDBusProxy *proxy;
        // Get Interface for introspection
        g_file_get_contents (BACKEND_INTERFACE, &contents, nullptr, nullptr);
        introspection_data = g_dbus_node_info_new_for_xml (contents, nullptr);
        proxy = g_dbus_proxy_new_sync (connection,
                                       G_DBUS_PROXY_FLAGS_NONE,
                                       introspection_data->interfaces[0],
                                       backend.first.c_str(),
                                       backend.second,
                                       "org.openprinting.PrintBackend",
                                       nullptr,
                                       nullptr);
        g_free(backend.second);
        g_assert (proxy != nullptr);
        g_dbus_proxy_call(proxy, "ActivateBackend",
                          nullptr,
                          G_DBUS_CALL_FLAGS_NONE,
                          -1, nullptr, nullptr, nullptr);

        g_free(contents);
        g_object_unref(proxy);
        g_dbus_node_info_unref(introspection_data);
    }
}

void CPDManager::onNameLost (GDBusConnection *,
                             const gchar *name,
                             gpointer)
{
    g_message("Name Lost: %s", name);
}

void CPDManager::printerAdded (GDBusConnection *connection,
                               const gchar     *sender_name,
                               const gchar     *object_path,
                               const gchar     *interface_name,
                               const gchar     *,
                               GVariant        *parameters,
                               gpointer        user_data)
{
    CPDManager* current = static_cast<CPDManager*>(user_data);
    GDBusProxy *proxy;
    proxy = current->getProxy(sender_name);
    if (proxy == nullptr) {
        gchar* contents;
        GDBusNodeInfo *introspection_data;

        // Get Interface for introspection
        g_file_get_contents ("/usr/share/dbus-1/interfaces/org.openprinting.Backend.xml", &contents, nullptr, nullptr);
        introspection_data = g_dbus_node_info_new_for_xml (contents, nullptr);
        proxy = g_dbus_proxy_new_sync (connection,
                                       G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
                                       introspection_data->interfaces[0],
                                       sender_name,
                                       object_path,
                                       interface_name,
                                       nullptr,
                                       nullptr);

        g_free(contents);
        g_dbus_node_info_unref(introspection_data);
        std::pair<std::string, GDBusProxy *> new_backend (sender_name, proxy);
        current->addBackend(new_backend);
    }
    CPDPrinter *pDest = static_cast<CPDPrinter *>(malloc(sizeof(CPDPrinter)));
    pDest->backend = proxy;
    g_variant_get (parameters, "(sssssbss)", &(pDest->id), &(pDest->name), &(pDest->info), &(pDest->location), &(pDest->make_and_model), &(pDest->is_accepting_jobs), &(pDest->printer_state), &(pDest->backend_name));
    std::stringstream printerName;
    printerName << pDest->name << ", " << pDest->backend_name;
    std::stringstream uniqueName;
    uniqueName << pDest->id << ", " << pDest->backend_name;
    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
    OUString aPrinterName = OStringToOUString( printerName.str().c_str(), aEncoding );
    OUString aUniqueName = OStringToOUString( uniqueName.str().c_str(), aEncoding );
    current->addNewPrinter(aPrinterName, aUniqueName, pDest);
}

void CPDManager::printerRemoved (GDBusConnection *,
                                 const gchar     *,
                                 const gchar     *,
                                 const gchar     *,
                                 const gchar     *,
                                 GVariant        *parameters,
                                 gpointer        user_data)
{
    // TODO: Remove every data linked to this particular printer.
    CPDManager* pManager = static_cast<CPDManager*>(user_data);
    char* id;
    char* backend_name;
    g_variant_get (parameters, "(ss)", &id, &backend_name);
    std::stringstream uniqueName;
    uniqueName << id << ", " << backend_name;
    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
    OUString aUniqueName = OStringToOUString( uniqueName.str().c_str(), aEncoding );
    std::unordered_map<OUString, CPDPrinter *>::iterator it = pManager->m_aCPDDestMap.find( aUniqueName );
    if (it == pManager->m_aCPDDestMap.end()) {
        SAL_WARN("vcl.unx.print", "CPD trying to remove non-existent printer from list");
        return;
    }
    pManager->m_aCPDDestMap.erase(it);
    std::unordered_map<OUString, Printer>::iterator printersIt = pManager->m_aPrinters.find( aUniqueName );
    if (printersIt == pManager->m_aPrinters.end()) {
        SAL_WARN("vcl.unx.print", "CPD trying to remove non-existent printer from m_aPrinters");
        return;
    }
    pManager->m_aPrinters.erase(printersIt);
}

GDBusProxy* CPDManager::getProxy(const std::string& target)
{
    std::unordered_map<std::string, GDBusProxy *>::const_iterator it = m_pBackends.find(target);
    if (it == m_pBackends.end()) {
        return nullptr;
    }
    return it->second;
}

void CPDManager::addBackend(std::pair<std::string, GDBusProxy *> pair) {
    m_pBackends.insert(pair);
}

void CPDManager::addTempBackend(const std::pair<std::string, gchar*>& pair)
{
    m_tBackends.push_back(pair);
}

std::vector<std::pair<std::string, gchar*>> const & CPDManager::getTempBackends() {
    return m_tBackends;
}

void CPDManager::addNewPrinter(const OUString& aPrinterName, const OUString& aUniqueName, CPDPrinter *pDest) {
    std::pair<OUString, CPDPrinter *> newPrinter (aUniqueName, pDest);
    std::unordered_map<OUString, CPDPrinter *>::iterator it = m_aCPDDestMap.find( aUniqueName );
    if (it == m_aCPDDestMap.end()) {
        m_aCPDDestMap.insert(newPrinter);
    } else {
        m_aCPDDestMap.erase(it);
        m_aCPDDestMap.insert(newPrinter);
    }
    bool bSetToGlobalDefaults = m_aPrinters.find( aUniqueName ) == m_aPrinters.end();
    Printer aPrinter = m_aPrinters[ aUniqueName ];
    if( bSetToGlobalDefaults )
        aPrinter.m_aInfo = m_aGlobalDefaults;
    aPrinter.m_aInfo.m_aPrinterName = aPrinterName;

    // TODO: I don't know how this should work when we have multiple
    // sources with multiple possible defaults for each
    // if( pDest->is_default )
    //     m_aDefaultPrinter = aPrinterName;

    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
    aPrinter.m_aInfo.m_aComment = OStringToOUString(pDest->info, aEncoding);
    aPrinter.m_aInfo.m_aLocation = OStringToOUString(pDest->location, aEncoding);
    OUStringBuffer aBuf( 256 );
    aBuf.append( "CPD:" );
    aBuf.append( aUniqueName );
    // note: the parser that goes with the PrinterInfo
    // is created implicitly by the JobData::operator=()
    // when it detects the NULL ptr m_pParser.
    // if we wanted to fill in the parser here this
    // would mean we'd have to send a dbus message for each and
    // every printer - which would be really bad runtime
    // behaviour
    aPrinter.m_aInfo.m_pParser = nullptr;
    aPrinter.m_aInfo.m_aContext.setParser( nullptr );
    std::unordered_map< OUString, PPDContext >::const_iterator c_it = m_aDefaultContexts.find( aUniqueName );
    if( c_it != m_aDefaultContexts.end() )
    {
        aPrinter.m_aInfo.m_pParser = c_it->second.getParser();
        aPrinter.m_aInfo.m_aContext = c_it->second;
    }
    aPrinter.m_aInfo.setDefaultBackend(true);
    aPrinter.m_aInfo.m_aDriverName = aBuf.makeStringAndClear();
    aPrinter.m_bModified = false;
    m_aPrinters[ aUniqueName ] = aPrinter;
}
#endif

/*
 *  CPDManager class
 */

CPDManager* CPDManager::tryLoadCPD()
{
    CPDManager* pManager = nullptr;
#if ENABLE_DBUS && ENABLE_GIO
    static const char* pEnv = getenv("SAL_DISABLE_CPD");

    if (!pEnv || !*pEnv) {
        GDir *dir;
        const gchar *filename;
        dir = g_dir_open(BACKEND_DIR, 0, nullptr);
        if (dir != nullptr) {
            while ((filename = g_dir_read_name(dir))) {
                if (pManager == nullptr) {
                    pManager = new CPDManager();
                }
                gchar* contents;
                std::stringstream filepath;
                filepath << BACKEND_DIR << '/' << filename;
                g_file_get_contents(filepath.str().c_str(), &contents, nullptr, nullptr);
                std::pair<std::string, gchar*> new_tbackend (filename, contents);
                pManager->addTempBackend(new_tbackend);
            }
            g_dir_close(dir);
        }
    }
#endif
    return pManager;
}

CPDManager::CPDManager() :
    PrinterInfoManager( PrinterInfoManager::Type::CPD )
{
#if ENABLE_DBUS && ENABLE_GIO
    // Get Destinations number and pointers
    GError *error = nullptr;
    m_pConnection = g_bus_get_sync (G_BUS_TYPE_SESSION, nullptr, &error);
    g_assert_no_error (error);
#endif
}

CPDManager::~CPDManager()
{
#if ENABLE_DBUS && ENABLE_GIO
    g_dbus_connection_emit_signal (m_pConnection,
                                   nullptr,
                                   "/org/libreoffice/PrintDialog",
                                   "org.openprinting.PrintFrontend",
                                   "StopListing",
                                   nullptr,
                                   nullptr);
    g_dbus_connection_flush_sync (m_pConnection,
                                  nullptr,
                                  nullptr);
    g_dbus_connection_close_sync (m_pConnection,
                                  nullptr,
                                  nullptr);
    for (auto const& backend : m_pBackends)
    {
        g_object_unref(backend.second);
    }
    for (auto const& backend : m_aCPDDestMap)
    {
        free(backend.second);
    }
#endif
}


const PPDParser* CPDManager::createCPDParser( const OUString& rPrinter )
{
    const PPDParser* pNewParser = nullptr;
#if ENABLE_DBUS && ENABLE_GIO
    OUString aPrinter;

    if( rPrinter.startsWith("CPD:") )
        aPrinter = rPrinter.copy( 4 );
    else
        aPrinter = rPrinter;

    std::unordered_map< OUString, CPDPrinter * >::iterator dest_it =
        m_aCPDDestMap.find( aPrinter );

    if( dest_it != m_aCPDDestMap.end() )
    {
        CPDPrinter* pDest = dest_it->second;
        GVariant* ret = nullptr;
        GError* error = nullptr;
        ret = g_dbus_proxy_call_sync (pDest->backend, "GetAllOptions",
                                      g_variant_new("(s)", (pDest->id)),
                                      G_DBUS_CALL_FLAGS_NONE,
                                      -1, nullptr, &error);
        if (ret != nullptr && error == nullptr)
        {
            // TODO: These keys need to be redefined to preserve usage across libreoffice
            // InputSlot - media-col.media-source?
            // Font - not needed now as it is required only for ps and we are using pdf
            // Dial? - for FAX (need to look up PWG spec)

            int num_attribute;
            GVariantIter *iter_attr, *iter_supported_values;
            g_variant_get (ret, "(ia(ssia(s)))", &num_attribute, &iter_attr);
            rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
            PPDKey *pKey = nullptr;
            OUString aValueName;
            PPDValue* pValue;
            std::vector<PPDKey*> keys;
            std::vector<OUString> default_values;
            for (int i = 0; i < num_attribute; i++) {
                char *name, *default_value;
                int num_supported_values;
                g_variant_iter_loop(iter_attr, "(ssia(s))",
                                    &name, &default_value,
                                    &num_supported_values, &iter_supported_values);
                OUString aOptionName = OStringToOUString( name, aEncoding );
                OUString aDefaultValue = OStringToOUString( default_value, aEncoding );
                if (aOptionName == "sides") {
                    // Duplex key is used throughout for checking Duplex Support
                    aOptionName = OUString("Duplex");
                } else if (aOptionName == "printer-resolution") {
                    // Resolution key is used in places
                    aOptionName = OUString("Resolution");
                } else if (aOptionName == "media") {
                    // PageSize key is used in many places
                    aOptionName = OUString("PageSize");
                }
                default_values.push_back(aDefaultValue);
                pKey = new PPDKey( aOptionName );

                // If number of values are 0, this is not settable via UI
                if (num_supported_values > 0 && aDefaultValue != "NA")
                    pKey->m_bUIOption = true;

                bool bDefaultFound = false;

                for (int j = 0; j < num_supported_values; j++) {
                    char* value;
                    g_variant_iter_loop(iter_supported_values, "(s)", &value);
                    aValueName = OStringToOUString( value, aEncoding );
                    if (aOptionName == "Duplex") {
                        // Duplex key matches against very specific Values
                        if (aValueName == "one-sided") {
                            aValueName = OUString("None");
                        } else if (aValueName == "two-sided-long-edge") {
                            aValueName = OUString("DuplexNoTumble");
                        } else if (aValueName == "two-sided-short-edge") {
                            aValueName = OUString("DuplexTumble");
                        }
                    }

                    pValue = pKey->insertValue( aValueName, eQuoted );
                    if( ! pValue )
                        continue;
                    pValue->m_aValue = aValueName;

                    if (aValueName.equals(aDefaultValue)) {
                        pKey->m_pDefaultValue = pValue;
                        bDefaultFound = true;
                    }

                }
                // This could be done to ensure default values also appear as options:
                if (!bDefaultFound && pKey->m_bUIOption) {
                //     pValue = pKey->insertValue( aDefaultValue, eQuoted );
                //     if( pValue )
                //         pValue->m_aValue = aDefaultValue;
                }
                keys.emplace_back(pKey);
            }

            pKey = new PPDKey("ModelName");
            aValueName = OStringToOUString( "", aEncoding );
            pValue = pKey->insertValue( aValueName, eQuoted );
            if( pValue )
                pValue->m_aValue = aValueName;
            pKey->m_pDefaultValue = pValue;
            keys.emplace_back(pKey);

            pKey = new PPDKey("NickName");
            aValueName = OStringToOUString( pDest->name, aEncoding );
            pValue = pKey->insertValue( aValueName, eQuoted );
            if( pValue )
                pValue->m_aValue = aValueName;
            pKey->m_pDefaultValue = pValue;
            keys.emplace_back(pKey);

            pNewParser = new PPDParser(aPrinter, keys);
            PrinterInfo& rInfo = m_aPrinters[ aPrinter ].m_aInfo;
            PPDContext& rContext = m_aDefaultContexts[ aPrinter ];
            rContext.setParser( pNewParser );
            setDefaultPaper( rContext );
            std::vector<OUString>::iterator defit = default_values.begin();
            for (auto const& key : keys)
            {
                const PPDValue* p1Value = key->getValue( *defit );
                if( p1Value )
                {
                    if( p1Value != key->getDefaultValue() )
                    {
                        rContext.setValue( key, p1Value, true );
                        SAL_INFO("vcl.unx.print", "key " << pKey->getKey() << " is set to " << *defit);
                    }
                    else
                        SAL_INFO("vcl.unx.print", "key " << pKey->getKey() << " is defaulted to " << *defit);
                }
                ++defit;
            }

            rInfo.m_pParser = pNewParser;
            rInfo.m_aContext = rContext;
            g_variant_unref(ret);
        }
        else
        {
            g_clear_error(&error);
            SAL_INFO("vcl.unx.print", "CPD GetAllOptions failed, falling back to generic driver");
        }
    }
    else
        SAL_INFO("vcl.unx.print", "no dest found for printer " << aPrinter);

    if( ! pNewParser )
    {
        // get the default PPD
        pNewParser = PPDParser::getParser( "SGENPRT" );
        SAL_WARN("vcl.unx.print", "Parsing default SGENPRT PPD" );

        PrinterInfo& rInfo = m_aPrinters[ aPrinter ].m_aInfo;

        rInfo.m_pParser = pNewParser;
        rInfo.m_aContext.setParser( pNewParser );
    }
#else
    (void)rPrinter;
#endif
    return pNewParser;
}


void CPDManager::initialize()
{
    // get normal printers, clear printer list
    PrinterInfoManager::initialize();
#if ENABLE_DBUS && ENABLE_GIO
    g_bus_own_name_on_connection (m_pConnection,
                                  "org.libreoffice.print-dialog",
                                  G_BUS_NAME_OWNER_FLAGS_NONE,
                                  onNameAcquired,
                                  onNameLost,
                                  this,
                                  nullptr);

    g_dbus_connection_signal_subscribe (m_pConnection,                    // DBus Connection
                                        nullptr,                          // Sender Name
                                        "org.openprinting.PrintBackend",  // Sender Interface
                                        "PrinterAdded",                   // Signal Name
                                        nullptr,                          // Object Path
                                        nullptr,                          // arg0 behaviour
                                        G_DBUS_SIGNAL_FLAGS_NONE,         // Signal Flags
                                        printerAdded,                     // Callback Function
                                        this,
                                        nullptr);
    g_dbus_connection_signal_subscribe (m_pConnection,                    // DBus Connection
                                        nullptr,                          // Sender Name
                                        "org.openprinting.PrintBackend",  // Sender Interface
                                        "PrinterRemoved",                 // Signal Name
                                        nullptr,                          // Object Path
                                        nullptr,                          // arg0 behaviour
                                        G_DBUS_SIGNAL_FLAGS_NONE,         // Signal Flags
                                        printerRemoved,                   // Callback Function
                                        this,
                                        nullptr);

    // remove everything that is not a CUPS printer and not
    // a special purpose printer (PDF, Fax)
    std::unordered_map< OUString, Printer >::iterator it = m_aPrinters.begin();
    while (it != m_aPrinters.end())
    {
        if( m_aCPDDestMap.find( it->first ) != m_aCPDDestMap.end() )
        {
            ++it;
            continue;
        }

        if( !it->second.m_aInfo.m_aFeatures.isEmpty() )
        {
            ++it;
            continue;
        }
        it = m_aPrinters.erase(it);
    }
#endif
}

void CPDManager::setupJobContextData( JobData& rData )
{
#if ENABLE_DBUS && ENABLE_GIO
    std::unordered_map<OUString, CPDPrinter *>::iterator dest_it =
        m_aCPDDestMap.find( rData.m_aPrinterName );

    if( dest_it == m_aCPDDestMap.end() )
        return PrinterInfoManager::setupJobContextData( rData );

    std::unordered_map< OUString, Printer >::iterator p_it =
        m_aPrinters.find( rData.m_aPrinterName );
    if( p_it == m_aPrinters.end() ) // huh ?
    {
        SAL_WARN("vcl.unx.print", "CPD printer list in disorder, "
                 "no dest for printer " << rData.m_aPrinterName);
        return;
    }

    if( p_it->second.m_aInfo.m_pParser == nullptr )
    {
        // in turn calls createCPDParser
        // which updates the printer info
        p_it->second.m_aInfo.m_pParser = PPDParser::getParser( p_it->second.m_aInfo.m_aDriverName );
    }
    if( p_it->second.m_aInfo.m_aContext.getParser() == nullptr )
    {
        OUString aPrinter;
        if( p_it->second.m_aInfo.m_aDriverName.startsWith("CPD:") )
            aPrinter = p_it->second.m_aInfo.m_aDriverName.copy( 4 );
        else
            aPrinter = p_it->second.m_aInfo.m_aDriverName;

        p_it->second.m_aInfo.m_aContext = m_aDefaultContexts[ aPrinter ];
    }

    rData.m_pParser     = p_it->second.m_aInfo.m_pParser;
    rData.m_aContext    = p_it->second.m_aInfo.m_aContext;
#else
    (void)rData;
#endif
}

FILE* CPDManager::startSpool( const OUString& rPrintername, bool bQuickCommand )
{
#if ENABLE_DBUS && ENABLE_GIO
    SAL_INFO( "vcl.unx.print", "startSpool: " << rPrintername << " " << (bQuickCommand ? "true" : "false") );
    if( m_aCPDDestMap.find( rPrintername ) == m_aCPDDestMap.end() )
    {
        SAL_INFO( "vcl.unx.print", "defer to PrinterInfoManager::startSpool" );
        return PrinterInfoManager::startSpool( rPrintername, bQuickCommand );
    }
    OUString aTmpURL, aTmpFile;
    osl_createTempFile( nullptr, nullptr, &aTmpURL.pData );
    osl_getSystemPathFromFileURL( aTmpURL.pData, &aTmpFile.pData );
    OString aSysFile = OUStringToOString( aTmpFile, osl_getThreadTextEncoding() );
    FILE* fp = fopen( aSysFile.getStr(), "w" );
    if( fp )
        m_aSpoolFiles[fp] = aSysFile;

    return fp;
#else
    (void)rPrintername;
    (void)bQuickCommand;
    return nullptr;
#endif
}

#if ENABLE_DBUS && ENABLE_GIO
void CPDManager::getOptionsFromDocumentSetup( const JobData& rJob, bool bBanner, const OString& rJobName, int& rNumOptions, GVariant **arr )
{
    GVariantBuilder *builder;
    builder = g_variant_builder_new(G_VARIANT_TYPE("a(ss)"));
    g_variant_builder_add(builder, "(ss)", "job-name", rJobName.getStr());
    if( rJob.m_pParser ==  rJob.m_aContext.getParser() &&  rJob.m_pParser ) {
        int i;
        int nKeys = rJob.m_aContext.countValuesModified();
        ::std::vector< const PPDKey* > aKeys( nKeys );
        for(  i = 0; i < nKeys; i++ )
            aKeys[i] = rJob.m_aContext.getModifiedKey( i );
        for( i = 0; i < nKeys; i++ ) {
            const PPDKey* pKey = aKeys[i];
            const PPDValue* pValue = rJob.m_aContext.getValue( pKey );
            OUString sPayLoad;
            if (pValue) {
                sPayLoad = pValue->m_bCustomOption ? pValue->m_aCustomOption : pValue->m_aOption;
            }
            if (!sPayLoad.isEmpty()) {
                OString aKey = OUStringToOString( pKey->getKey(), RTL_TEXTENCODING_ASCII_US );
                OString aValue = OUStringToOString( sPayLoad, RTL_TEXTENCODING_ASCII_US );
                if (aKey.equals(OString("Duplex"))) {
                    aKey = OString("sides");
                } else if (aKey.equals(OString("Resolution"))) {
                    aKey = OString("printer-resolution");
                } else if (aKey.equals(OString("PageSize"))) {
                    aKey = OString("media");
                }
                if (aKey.equals(OString("sides"))) {
                    if (aValue.equals(OString("None"))) {
                        aValue = OString("one-sided");
                    } else if (aValue.equals(OString("DuplexNoTumble"))) {
                        aValue = OString("two-sided-long-edge");
                    } else if (aValue.equals(OString("DuplexTumble"))) {
                        aValue = OString("two-sided-short-edge");
                    }
                }
                g_variant_builder_add(builder, "(ss)", aKey.getStr(), aValue.getStr());
            }
        }
    }
    if( rJob.m_nPDFDevice > 0 && rJob.m_nCopies > 1 )
    {
        OString aVal( OString::number( rJob.m_nCopies ) );
        g_variant_builder_add(builder, "(ss)", "copies", aVal.getStr());
        rNumOptions++;
        // TODO: something for collate
        // Maybe this is the equivalent ipp attribute:
        if (rJob.m_bCollate) {
            g_variant_builder_add(builder, "(ss)", "multiple-document-handling", "separate-documents-collated-copies");
        } else {
            g_variant_builder_add(builder, "(ss)", "multiple-document-handling", "separate-documents-uncollated-copies");
        }
        rNumOptions++;
    }
    if( ! bBanner )
    {
        g_variant_builder_add(builder, "(ss)", "job-sheets", "none");
        rNumOptions++;
    }
    if (rJob.m_eOrientation == orientation::Portrait) {
        g_variant_builder_add(builder, "(ss)", "orientation-requested", "portrait");
        rNumOptions++;
    } else if (rJob.m_eOrientation == orientation::Landscape) {
        g_variant_builder_add(builder, "(ss)", "orientation-requested", "landscape");
        rNumOptions++;
    }
    (*arr) = g_variant_new("a(ss)", builder);
    g_variant_builder_unref(builder);
}
#endif

bool CPDManager::endSpool( const OUString& rPrintername, const OUString& rJobTitle, FILE* pFile, const JobData& rDocumentJobData, bool bBanner, const OUString& rFaxNumber )
{
    bool success = false;
#if ENABLE_DBUS && ENABLE_GIO
    SAL_INFO( "vcl.unx.print", "endSpool: " << rPrintername << "," << rJobTitle << " copy count = " << rDocumentJobData.m_nCopies );
    std::unordered_map< OUString, CPDPrinter * >::iterator dest_it =
        m_aCPDDestMap.find( rPrintername );
    if( dest_it == m_aCPDDestMap.end() )
    {
        SAL_INFO( "vcl.unx.print", "defer to PrinterInfoManager::endSpool" );
        return PrinterInfoManager::endSpool( rPrintername, rJobTitle, pFile, rDocumentJobData, bBanner, rFaxNumber );
    }

    std::unordered_map< FILE*, OString, FPtrHash >::const_iterator it = m_aSpoolFiles.find( pFile );
    if( it != m_aSpoolFiles.end() )
    {
        fclose( pFile );
        rtl_TextEncoding aEnc = osl_getThreadTextEncoding();
        OString sJobName(OUStringToOString(rJobTitle, aEnc));
        if (!rFaxNumber.isEmpty())
        {
            sJobName = OUStringToOString(rFaxNumber, aEnc);
        }
        OString aSysFile = it->second;
        CPDPrinter* pDest = dest_it->second;
        GVariant* ret;
        gint job_id;
        int nNumOptions = 0;
        GVariant *pArr = nullptr;
        getOptionsFromDocumentSetup( rDocumentJobData, bBanner, sJobName, nNumOptions, &pArr );
        ret = g_dbus_proxy_call_sync (pDest->backend, "printFile",
                                      g_variant_new(
                                                    "(ssi@a(ss))",
                                                    (pDest->id),
                                                    aSysFile.getStr(),
                                                    nNumOptions,
                                                    pArr
                                                    ),
                                      G_DBUS_CALL_FLAGS_NONE,
                                      -1, nullptr, nullptr);
        g_variant_get (ret, "(i)", &job_id);
        if (job_id != -1) {
            success = true;
        }
        g_variant_unref(ret);
        unlink( it->second.getStr() );
        m_aSpoolFiles.erase( pFile );
    }
#else
    (void)rPrintername;
    (void)rJobTitle;
    (void)pFile;
    (void)rDocumentJobData;
    (void)bBanner;
    (void)rFaxNumber;
#endif
    return success;
}

bool CPDManager::checkPrintersChanged( bool )
{
#if ENABLE_DBUS && ENABLE_GIO
    bool bChanged = m_aPrintersChanged;
    m_aPrintersChanged = false;
    g_dbus_connection_emit_signal (m_pConnection,
                                   nullptr,
                                   "/org/libreoffice/PrintDialog",
                                   "org.openprinting.PrintFrontend",
                                   "RefreshBackend",
                                   nullptr,
                                   nullptr);
    return bChanged;
#else
    return false;
#endif
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */