Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1369 insertions, 0 deletions

diff --git a/desktop/source/app/officeipcthread.cxx b/desktop/source/app/officeipcthread.cxx
new file mode 100644
index 000000000..e559f7253
--- /dev/null
+++ b/desktop/source/app/officeipcthread.cxx
@@ -0,0 +1,1369 @@
+/* -*- 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 <sal/config.h>
+
+#include <config_dbus.h>
+#include <config_features.h>
+#include <config_feature_desktop.h>
+
+#include <app.hxx>
+#include "officeipcthread.hxx"
+#include "cmdlineargs.hxx"
+#include "dispatchwatcher.hxx"
+#include <com/sun/star/frame/TerminationVetoException.hpp>
+#include <salhelper/thread.hxx>
+#include <sal/log.hxx>
+#include <unotools/bootstrap.hxx>
+#include <utility>
+#include <vcl/svapp.hxx>
+#include <unotools/configmgr.hxx>
+#include <osl/pipe.hxx>
+#include <rtl/digest.h>
+#include <rtl/ustrbuf.hxx>
+#include <osl/conditn.hxx>
+#include <unotools/moduleoptions.hxx>
+#include <rtl/strbuf.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/file.hxx>
+#include <rtl/process.h>
+#include <o3tl/string_view.hxx>
+
+#include <cassert>
+#include <cstdlib>
+#include <memory>
+
+#if ENABLE_DBUS
+#include <dbus/dbus.h>
+#include <sys/socket.h>
+#endif
+
+using namespace desktop;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::frame;
+
+namespace {
+
+char const ARGUMENT_PREFIX[] = "InternalIPC::Arguments";
+char const SEND_ARGUMENTS[] = "InternalIPC::SendArguments";
+char const PROCESSING_DONE[] = "InternalIPC::ProcessingDone";
+
+// Receives packets from the pipe until a packet ends in a NUL character (that
+// will not be included in the returned string) or it cannot read anything (due
+// to error or closed pipe, in which case an empty string will be returned to
+// signal failure):
+OString readStringFromPipe(osl::StreamPipe const & pipe) {
+    for (OStringBuffer str;;) {
+        char buf[1024];
+        sal_Int32 n = pipe.recv(buf, SAL_N_ELEMENTS(buf));
+        if (n <= 0) {
+            SAL_INFO("desktop.app", "read empty string");
+            return "";
+        }
+        bool end = false;
+        if (buf[n - 1] == '\0') {
+            end = true;
+            --n;
+        }
+        str.append(buf, n);
+            //TODO: how does OStringBuffer.append handle overflow?
+        if (end) {
+            auto s = str.makeStringAndClear();
+            SAL_INFO("desktop.app", "read <" << s << ">");
+            return s;
+        }
+    }
+}
+
+}
+
+namespace desktop
+{
+
+namespace {
+
+class Parser: public CommandLineArgs::Supplier {
+public:
+    explicit Parser(OString input): m_input(std::move(input)) {
+        if (!m_input.match(ARGUMENT_PREFIX) ||
+            m_input.getLength() == RTL_CONSTASCII_LENGTH(ARGUMENT_PREFIX))
+        {
+            throw CommandLineArgs::Supplier::Exception();
+        }
+        m_index = RTL_CONSTASCII_LENGTH(ARGUMENT_PREFIX);
+        switch (m_input[m_index++]) {
+        case '0':
+            break;
+        case '1':
+            {
+                OUString url;
+                if (!next(&url, false)) {
+                    throw CommandLineArgs::Supplier::Exception();
+                }
+                m_cwdUrl = url;
+                break;
+            }
+        case '2':
+            {
+                OUString path;
+                if (!next(&path, false)) {
+                    throw CommandLineArgs::Supplier::Exception();
+                }
+                OUString url;
+                if (osl::FileBase::getFileURLFromSystemPath(path, url) ==
+                    osl::FileBase::E_None)
+                {
+                    m_cwdUrl = url;
+                }
+                break;
+            }
+        default:
+            throw CommandLineArgs::Supplier::Exception();
+        }
+    }
+
+    virtual std::optional< OUString > getCwdUrl() override { return m_cwdUrl; }
+
+    virtual bool next(OUString * argument) override { return next(argument, true); }
+
+private:
+    bool next(OUString * argument, bool prefix) {
+        OSL_ASSERT(argument != nullptr);
+        if (m_index < m_input.getLength()) {
+            if (prefix) {
+                if (m_input[m_index] != ',') {
+                    throw CommandLineArgs::Supplier::Exception();
+                }
+                ++m_index;
+            }
+            OStringBuffer b;
+            while (m_index < m_input.getLength()) {
+                char c = m_input[m_index];
+                if (c == ',') {
+                    break;
+                }
+                ++m_index;
+                if (c == '\\') {
+                    if (m_index >= m_input.getLength())
+                        throw CommandLineArgs::Supplier::Exception();
+                    c = m_input[m_index++];
+                    switch (c) {
+                    case '0':
+                        c = '\0';
+                        break;
+                    case ',':
+                    case '\\':
+                        break;
+                    default:
+                        throw CommandLineArgs::Supplier::Exception();
+                    }
+                }
+                b.append(c);
+            }
+            OString b2(b.makeStringAndClear());
+            if (!rtl_convertStringToUString(
+                    &argument->pData, b2.getStr(), b2.getLength(),
+                    RTL_TEXTENCODING_UTF8,
+                    (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR |
+                     RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR |
+                     RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)))
+            {
+                throw CommandLineArgs::Supplier::Exception();
+            }
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    std::optional< OUString > m_cwdUrl;
+    OString m_input;
+    sal_Int32 m_index;
+};
+
+bool addArgument(OStringBuffer &rArguments, char prefix,
+    const OUString &rArgument)
+{
+    OString utf8;
+    if (!rArgument.convertToString(
+            &utf8, RTL_TEXTENCODING_UTF8,
+            (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
+             RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
+    {
+        return false;
+    }
+    rArguments.append(prefix);
+    for (sal_Int32 i = 0; i < utf8.getLength(); ++i) {
+        char c = utf8[i];
+        switch (c) {
+        case '\0':
+            rArguments.append("\\0");
+            break;
+        case ',':
+            rArguments.append("\\,");
+            break;
+        case '\\':
+            rArguments.append("\\\\");
+            break;
+        default:
+            rArguments.append(c);
+            break;
+        }
+    }
+    return true;
+}
+
+}
+
+rtl::Reference< RequestHandler > RequestHandler::pGlobal;
+
+// Turns a string in aMsg such as file:///home/foo/.libreoffice/3
+// Into a hex string of well known length ff132a86...
+static OUString CreateMD5FromString( const OUString& aMsg )
+{
+    SAL_INFO("desktop.app", "create md5 from '" << aMsg << "'");
+
+    rtlDigest handle = rtl_digest_create( rtl_Digest_AlgorithmMD5 );
+    if ( handle )
+    {
+        const sal_uInt8* pData = reinterpret_cast<const sal_uInt8*>(aMsg.getStr());
+        sal_uInt32       nSize = aMsg.getLength() * sizeof( sal_Unicode );
+        sal_uInt32       nMD5KeyLen = rtl_digest_queryLength( handle );
+        std::unique_ptr<sal_uInt8[]> pMD5KeyBuffer(new sal_uInt8[ nMD5KeyLen ]);
+
+        rtl_digest_init( handle, pData, nSize );
+        rtl_digest_update( handle, pData, nSize );
+        rtl_digest_get( handle, pMD5KeyBuffer.get(), nMD5KeyLen );
+        rtl_digest_destroy( handle );
+
+        // Create hex-value string from the MD5 value to keep the string size minimal
+        OUStringBuffer aBuffer( nMD5KeyLen * 2 + 1 );
+        for ( sal_uInt32 i = 0; i < nMD5KeyLen; i++ )
+            aBuffer.append( static_cast<sal_Int32>(pMD5KeyBuffer[i]), 16 );
+
+        return aBuffer.makeStringAndClear();
+    }
+
+    return OUString();
+}
+
+namespace {
+
+class ProcessEventsClass_Impl
+{
+public:
+    DECL_STATIC_LINK( ProcessEventsClass_Impl, CallEvent, void*, void );
+    DECL_STATIC_LINK( ProcessEventsClass_Impl, ProcessDocumentsEvent, void*, void );
+};
+
+}
+
+IMPL_STATIC_LINK( ProcessEventsClass_Impl, CallEvent, void*, pEvent, void )
+{
+    // Application events are processed by the Desktop::HandleAppEvent implementation.
+    Desktop::HandleAppEvent( *static_cast<ApplicationEvent*>(pEvent) );
+    delete static_cast<ApplicationEvent*>(pEvent);
+}
+
+IMPL_STATIC_LINK( ProcessEventsClass_Impl, ProcessDocumentsEvent, void*, pEvent, void )
+{
+    // Documents requests are processed by the RequestHandler implementation
+    ProcessDocumentsRequest* pDocsRequest = static_cast<ProcessDocumentsRequest*>(pEvent);
+    RequestHandler::ExecuteCmdLineRequests(*pDocsRequest, false);
+    delete pDocsRequest;
+}
+
+static void ImplPostForeignAppEvent( ApplicationEvent* pEvent )
+{
+    Application::PostUserEvent( LINK( nullptr, ProcessEventsClass_Impl, CallEvent ), pEvent );
+}
+
+static void ImplPostProcessDocumentsEvent( std::unique_ptr<ProcessDocumentsRequest> pEvent )
+{
+    Application::PostUserEvent( LINK( nullptr, ProcessEventsClass_Impl, ProcessDocumentsEvent ), pEvent.release() );
+}
+
+oslSignalAction SalMainPipeExchangeSignal_impl(SAL_UNUSED_PARAMETER void* /*pData*/, oslSignalInfo* pInfo)
+{
+    if( pInfo->Signal == osl_Signal_Terminate )
+        RequestHandler::SetDowning();
+    return osl_Signal_ActCallNextHdl;
+}
+
+
+// The RequestHandlerController implementation is a bookkeeper for all pending requests
+// that were created by the RequestHandler. The requests are waiting to be processed by
+// our framework loadComponentFromURL function (e.g. open/print request).
+// During shutdown the framework is asking RequestHandlerController about pending requests.
+// If there are pending requests framework has to stop the shutdown process. It is waiting
+// for these requests because framework is not able to handle shutdown and open a document
+// concurrently.
+
+
+// XServiceInfo
+OUString SAL_CALL RequestHandlerController::getImplementationName()
+{
+    return "com.sun.star.comp.RequestHandlerController";
+}
+
+sal_Bool RequestHandlerController::supportsService(
+    OUString const & ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > SAL_CALL RequestHandlerController::getSupportedServiceNames()
+{
+    return { };
+}
+
+// XEventListener
+void SAL_CALL RequestHandlerController::disposing( const EventObject& )
+{
+}
+
+// XTerminateListener
+void SAL_CALL RequestHandlerController::queryTermination( const EventObject& )
+{
+    // Desktop ask about pending request through our office ipc pipe. We have to
+    // be sure that no pending request is waiting because framework is not able to
+    // handle shutdown and open a document concurrently.
+
+    if ( RequestHandler::AreRequestsPending() )
+        throw TerminationVetoException();
+    RequestHandler::SetDowning();
+}
+
+void SAL_CALL RequestHandlerController::notifyTermination( const EventObject& )
+{
+}
+
+class IpcThread: public salhelper::Thread {
+public:
+    void start(RequestHandler * handler) {
+        m_handler = handler;
+        launch();
+    }
+
+    virtual void close() = 0;
+
+protected:
+    explicit IpcThread(char const * name): Thread(name), m_handler(nullptr) {}
+
+    virtual ~IpcThread() override {}
+
+    bool process(OString const & arguments, bool * waitProcessed);
+
+    RequestHandler * m_handler;
+};
+
+class PipeIpcThread: public IpcThread {
+public:
+    static RequestHandler::Status enable(rtl::Reference<IpcThread> * thread);
+
+private:
+    explicit PipeIpcThread(osl::Pipe pipe):
+        IpcThread("PipeIPC"), pipe_(std::move(pipe))
+    {}
+
+    virtual ~PipeIpcThread() override {}
+
+    void execute() override;
+
+    void close() override { pipe_.close(); }
+
+    osl::Pipe pipe_;
+};
+
+#if ENABLE_DBUS
+
+namespace {
+
+struct DbusConnectionHolder {
+    explicit DbusConnectionHolder(DBusConnection * theConnection):
+        connection(theConnection)
+    {}
+
+    DbusConnectionHolder(DbusConnectionHolder && other): connection(nullptr)
+    { std::swap(connection, other.connection); }
+
+    ~DbusConnectionHolder() {
+        if (connection != nullptr) {
+            dbus_connection_close(connection);
+            dbus_connection_unref(connection);
+        }
+    }
+
+    DBusConnection * connection;
+};
+
+struct DbusMessageHolder {
+    explicit DbusMessageHolder(DBusMessage * theMessage): message(theMessage) {}
+
+    ~DbusMessageHolder() { clear(); }
+
+    void clear() {
+        if (message != nullptr) {
+            dbus_message_unref(message);
+        }
+        message = nullptr;
+    }
+
+    DBusMessage * message;
+
+private:
+    DbusMessageHolder(DbusMessageHolder const &) = delete;
+    DbusMessageHolder& operator =(DbusMessageHolder const &) = delete;
+};
+
+}
+
+class DbusIpcThread: public IpcThread {
+public:
+    static RequestHandler::Status enable(rtl::Reference<IpcThread> * thread);
+
+private:
+    explicit DbusIpcThread(DbusConnectionHolder && connection):
+        IpcThread("DbusIPC"), connection_(std::move(connection))
+    {}
+
+    virtual ~DbusIpcThread() override {}
+
+    void execute() override;
+
+    void close() override;
+
+    DbusConnectionHolder connection_;
+};
+
+RequestHandler::Status DbusIpcThread::enable(rtl::Reference<IpcThread> * thread)
+{
+    assert(thread != nullptr);
+    if (!dbus_threads_init_default()) {
+        SAL_WARN("desktop.app", "dbus_threads_init_default failed");
+        return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+    }
+    DBusError e;
+    dbus_error_init(&e);
+    DbusConnectionHolder con(dbus_bus_get_private(DBUS_BUS_SESSION, &e));
+    assert((con.connection == nullptr) == bool(dbus_error_is_set(&e)));
+    if (con.connection == nullptr) {
+        SAL_WARN(
+            "desktop.app",
+            "dbus_bus_get_private failed with: " << e.name << ": "
+                << e.message);
+        dbus_error_free(&e);
+        return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+    }
+    for (;;) {
+        int n = dbus_bus_request_name(
+            con.connection, "org.libreoffice.LibreOfficeIpc0",
+            DBUS_NAME_FLAG_DO_NOT_QUEUE, &e);
+        assert((n == -1) == bool(dbus_error_is_set(&e)));
+        switch (n) {
+        case -1:
+            SAL_WARN(
+                "desktop.app",
+                "dbus_bus_request_name failed with: " << e.name << ": "
+                << e.message);
+            dbus_error_free(&e);
+            return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+        case DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER:
+            *thread = new DbusIpcThread(std::move(con));
+            return RequestHandler::IPC_STATUS_OK;
+        case DBUS_REQUEST_NAME_REPLY_EXISTS:
+            {
+                OStringBuffer buf(ARGUMENT_PREFIX);
+                OUString arg;
+                if (!(utl::Bootstrap::getProcessWorkingDir(arg)
+                      && addArgument(buf, '1', arg)))
+                {
+                    buf.append('0');
+                }
+                sal_uInt32 narg = rtl_getAppCommandArgCount();
+                for (sal_uInt32 i = 0; i != narg; ++i) {
+                    rtl_getAppCommandArg(i, &arg.pData);
+                    if (!addArgument(buf, ',', arg)) {
+                        return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+                    }
+                }
+                char const * argstr = buf.getStr();
+                DbusMessageHolder msg(
+                    dbus_message_new_method_call(
+                        "org.libreoffice.LibreOfficeIpc0",
+                        "/org/libreoffice/LibreOfficeIpc0",
+                        "org.libreoffice.LibreOfficeIpcIfc0", "Execute"));
+                if (msg.message == nullptr) {
+                    SAL_WARN(
+                        "desktop.app", "dbus_message_new_method_call failed");
+                    return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+                }
+                DBusMessageIter it;
+                dbus_message_iter_init_append(msg.message, &it);
+                if (!dbus_message_iter_append_basic(
+                        &it, DBUS_TYPE_STRING, &argstr))
+                {
+                    SAL_WARN(
+                        "desktop.app", "dbus_message_iter_append_basic failed");
+                    return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+                }
+                DbusMessageHolder repl(
+                    dbus_connection_send_with_reply_and_block(
+                        con.connection, msg.message, 0x7FFFFFFF, &e));
+                assert(
+                    (repl.message == nullptr) == bool(dbus_error_is_set(&e)));
+                if (repl.message == nullptr) {
+                    SAL_INFO(
+                        "desktop.app",
+                        "dbus_connection_send_with_reply_and_block failed"
+                            " with: " << e.name << ": " << e.message);
+                    dbus_error_free(&e);
+                    break;
+                }
+                return RequestHandler::IPC_STATUS_2ND_OFFICE;
+            }
+        case DBUS_REQUEST_NAME_REPLY_IN_QUEUE:
+        case DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER:
+            SAL_WARN(
+                "desktop.app",
+                "dbus_bus_request_name failed with unexpected " << +n);
+            return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+        default:
+            for (;;) std::abort();
+        }
+    }
+}
+
+void DbusIpcThread::execute()
+{
+    assert(m_handler != nullptr);
+    m_handler->cReady.wait();
+    for (;;) {
+        {
+            osl::MutexGuard g(RequestHandler::GetMutex());
+            if (m_handler->mState == RequestHandler::State::Downing) {
+                break;
+            }
+        }
+        if (!dbus_connection_read_write(connection_.connection, -1)) {
+            break;
+        }
+        for (;;) {
+            DbusMessageHolder msg(
+                dbus_connection_pop_message(connection_.connection));
+            if (msg.message == nullptr) {
+                break;
+            }
+            if (!dbus_message_is_method_call(
+                    msg.message, "org.libreoffice.LibreOfficeIpcIfc0",
+                    "Execute"))
+            {
+                SAL_INFO("desktop.app", "unknown DBus message ignored");
+                continue;
+            }
+            DBusMessageIter it;
+            if (!dbus_message_iter_init(msg.message, &it)) {
+                SAL_WARN(
+                    "desktop.app", "DBus message without argument ignored");
+                continue;
+            }
+            if (dbus_message_iter_get_arg_type(&it) != DBUS_TYPE_STRING) {
+                SAL_WARN(
+                    "desktop.app",
+                    "DBus message with non-string argument ignored");
+                continue;
+            }
+            char const * argstr;
+            dbus_message_iter_get_basic(&it, &argstr);
+            bool waitProcessed = false;
+            {
+                osl::MutexGuard g(RequestHandler::GetMutex());
+                if (!process(argstr, &waitProcessed)) {
+                    continue;
+                }
+            }
+            if (waitProcessed) {
+                m_handler->cProcessed.wait();
+            }
+            DbusMessageHolder repl(dbus_message_new_method_return(msg.message));
+            if (repl.message == nullptr) {
+                SAL_WARN(
+                    "desktop.app", "dbus_message_new_method_return failed");
+                continue;
+            }
+            dbus_uint32_t serial = 0;
+            if (!dbus_connection_send(
+                    connection_.connection, repl.message, &serial)) {
+                SAL_WARN("desktop.app", "dbus_connection_send failed");
+                continue;
+            }
+            dbus_connection_flush(connection_.connection);
+        }
+    }
+}
+
+void DbusIpcThread::close() {
+    assert(connection_.connection != nullptr);
+    // Make dbus_connection_read_write fall out of internal poll call blocking
+    // on POLLIN:
+    int fd;
+    if (!dbus_connection_get_socket(connection_.connection, &fd)) {
+        SAL_WARN("desktop.app", "dbus_connection_get_socket failed");
+        return;
+    }
+    if (shutdown(fd, SHUT_RD) == -1) {
+        auto const e = errno;
+        SAL_WARN("desktop.app", "shutdown failed with errno " << e);
+    }
+}
+
+#endif
+
+::osl::Mutex& RequestHandler::GetMutex()
+{
+    static ::osl::Mutex theRequestHandlerMutex;
+    return theRequestHandlerMutex;
+}
+
+void RequestHandler::SetDowning()
+{
+    // We have the order to block all incoming requests. Framework
+    // wants to shutdown and we have to make sure that no loading/printing
+    // requests are executed anymore.
+    ::osl::MutexGuard   aGuard( GetMutex() );
+
+    if ( pGlobal.is() )
+        pGlobal->mState = State::Downing;
+}
+
+void RequestHandler::EnableRequests()
+{
+    // switch between just queueing the requests and executing them
+    ::osl::MutexGuard   aGuard( GetMutex() );
+
+    if ( pGlobal.is() )
+    {
+        if (pGlobal->mState != State::Downing) {
+            pGlobal->mState = State::RequestsEnabled;
+        }
+        ProcessDocumentsRequest aEmptyReq(std::nullopt);
+        // trigger already queued requests
+        RequestHandler::ExecuteCmdLineRequests(aEmptyReq, true);
+    }
+}
+
+bool RequestHandler::AreRequestsPending()
+{
+    // Give info about pending requests
+    ::osl::MutexGuard   aGuard( GetMutex() );
+    if ( pGlobal.is() )
+        return ( pGlobal->mnPendingRequests > 0 );
+    else
+        return false;
+}
+
+void RequestHandler::RequestsCompleted()
+{
+    // Remove nCount pending requests from our internal counter
+    ::osl::MutexGuard   aGuard( GetMutex() );
+    if ( pGlobal.is() )
+    {
+        if ( pGlobal->mnPendingRequests > 0 )
+            pGlobal->mnPendingRequests --;
+    }
+}
+
+RequestHandler::Status RequestHandler::Enable(bool ipc)
+{
+    ::osl::MutexGuard   aGuard( GetMutex() );
+
+    if( pGlobal.is() )
+        return IPC_STATUS_OK;
+
+#if !HAVE_FEATURE_DESKTOP || HAVE_FEATURE_MACOSX_SANDBOX || defined(EMSCRIPTEN)
+    ipc = false;
+#endif
+
+    if (!ipc) {
+        pGlobal = new RequestHandler;
+        return IPC_STATUS_OK;
+    }
+
+    enum class Kind { Pipe, Dbus };
+    Kind kind;
+#if ENABLE_DBUS
+    kind = std::getenv("LIBO_FLATPAK") != nullptr ? Kind::Dbus : Kind::Pipe;
+#else
+    kind = Kind::Pipe;
+#endif
+    rtl::Reference<IpcThread> thread;
+    Status stat = Status(); // silence bogus potentially-uninitialized warnings
+    switch (kind) {
+    case Kind::Pipe:
+        stat = PipeIpcThread::enable(&thread);
+        break;
+    case Kind::Dbus:
+#if ENABLE_DBUS
+        stat = DbusIpcThread::enable(&thread);
+        break;
+#endif
+    default:
+        assert(false);
+    }
+    assert(thread.is() == (stat == IPC_STATUS_OK));
+    if (stat == IPC_STATUS_OK) {
+        pGlobal = new RequestHandler;
+        pGlobal->mIpcThread = thread;
+        pGlobal->mIpcThread->start(pGlobal.get());
+    }
+    return stat;
+}
+
+RequestHandler::Status PipeIpcThread::enable(rtl::Reference<IpcThread> * thread)
+{
+    assert(thread != nullptr);
+
+    // The name of the named pipe is created with the hashcode of the user installation directory (without /user). We have to retrieve
+    // this information from a unotools implementation.
+    OUString aUserInstallPath;
+    ::utl::Bootstrap::PathStatus aLocateResult = ::utl::Bootstrap::locateUserInstallation( aUserInstallPath );
+    if (aLocateResult != utl::Bootstrap::PATH_EXISTS
+        && aLocateResult != utl::Bootstrap::PATH_VALID)
+    {
+        return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+    }
+
+    // Try to  determine if we are the first office or not! This should prevent multiple
+    // access to the user directory !
+    // First we try to create our pipe if this fails we try to connect. We have to do this
+    // in a loop because the other office can crash or shutdown between createPipe
+    // and connectPipe!!
+    auto aUserInstallPathHashCode = CreateMD5FromString(aUserInstallPath);
+
+    // Check result to create a hash code from the user install path
+    if ( aUserInstallPathHashCode.isEmpty() )
+        return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR; // Something completely broken, we cannot create a valid hash code!
+
+    osl::Pipe pipe;
+    enum PipeMode
+    {
+        PIPEMODE_DONTKNOW,
+        PIPEMODE_CREATED,
+        PIPEMODE_CONNECTED
+    };
+    PipeMode nPipeMode = PIPEMODE_DONTKNOW;
+
+    OUString aPipeIdent( "SingleOfficeIPC_" + aUserInstallPathHashCode );
+    do
+    {
+        osl::Security security;
+
+        // Try to create pipe
+        if ( pipe.create( aPipeIdent, osl_Pipe_CREATE, security ))
+        {
+            // Pipe created
+            nPipeMode = PIPEMODE_CREATED;
+        }
+        else if( pipe.create( aPipeIdent, osl_Pipe_OPEN, security )) // Creation not successful, now we try to connect
+        {
+            osl::StreamPipe aStreamPipe(pipe.getHandle());
+            if (readStringFromPipe(aStreamPipe) == SEND_ARGUMENTS)
+            {
+                // Pipe connected to first office
+                nPipeMode = PIPEMODE_CONNECTED;
+            }
+            else
+            {
+                // Pipe connection failed (other office exited or crashed)
+                TimeValue tval;
+                tval.Seconds = 0;
+                tval.Nanosec = 500000000;
+                salhelper::Thread::wait( tval );
+            }
+        }
+        else
+        {
+            oslPipeError eReason = pipe.getError();
+            if ((eReason == osl_Pipe_E_ConnectionRefused) || (eReason == osl_Pipe_E_invalidError))
+                return RequestHandler::IPC_STATUS_PIPE_ERROR;
+
+            // Wait for second office to be ready
+            TimeValue aTimeValue;
+            aTimeValue.Seconds = 0;
+            aTimeValue.Nanosec = 10000000; // 10ms
+            salhelper::Thread::wait( aTimeValue );
+        }
+
+    } while ( nPipeMode == PIPEMODE_DONTKNOW );
+
+    if ( nPipeMode == PIPEMODE_CREATED )
+    {
+        // Seems we are the one and only, so create listening thread
+        *thread = new PipeIpcThread(pipe);
+        return RequestHandler::IPC_STATUS_OK;
+    }
+    else
+    {
+        // Seems another office is running. Pipe arguments to it and self terminate
+        osl::StreamPipe aStreamPipe(pipe.getHandle());
+
+        OStringBuffer aArguments(ARGUMENT_PREFIX);
+        OUString cwdUrl;
+        if (!(utl::Bootstrap::getProcessWorkingDir(cwdUrl) &&
+              addArgument(aArguments, '1', cwdUrl)))
+        {
+            aArguments.append('0');
+        }
+        sal_uInt32 nCount = rtl_getAppCommandArgCount();
+        for( sal_uInt32 i=0; i < nCount; i++ )
+        {
+            rtl_getAppCommandArg( i, &aUserInstallPath.pData );
+            if (!addArgument(aArguments, ',', aUserInstallPath)) {
+                return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+            }
+        }
+        aArguments.append('\0');
+        // finally, write the string onto the pipe
+        SAL_INFO("desktop.app", "writing <" << aArguments.getStr() << ">");
+        sal_Int32 n = aStreamPipe.write(
+            aArguments.getStr(), aArguments.getLength());
+        if (n != aArguments.getLength()) {
+            SAL_INFO("desktop.app", "short write: " << n);
+            return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+        }
+
+        if (readStringFromPipe(aStreamPipe) != PROCESSING_DONE)
+        {
+            // something went wrong
+            return RequestHandler::IPC_STATUS_BOOTSTRAP_ERROR;
+        }
+
+        return RequestHandler::IPC_STATUS_2ND_OFFICE;
+    }
+}
+
+void RequestHandler::Disable()
+{
+    osl::ClearableMutexGuard aMutex( GetMutex() );
+
+    if( !pGlobal.is() )
+        return;
+
+    rtl::Reference< RequestHandler > handler(pGlobal);
+    pGlobal.clear();
+
+    handler->mState = State::Downing;
+    if (handler->mIpcThread.is()) {
+        handler->mIpcThread->close();
+    }
+
+    // release mutex to avoid deadlocks
+    aMutex.clear();
+
+    handler->cReady.set();
+
+    // exit gracefully and join
+    if (handler->mIpcThread.is())
+    {
+        handler->mIpcThread->join();
+        handler->mIpcThread.clear();
+    }
+
+    handler->cReady.reset();
+}
+
+RequestHandler::RequestHandler() :
+    mState( State::Starting ),
+    mnPendingRequests( 0 )
+{
+}
+
+RequestHandler::~RequestHandler()
+{
+    assert(!mIpcThread.is());
+}
+
+void RequestHandler::SetReady(bool bIsReady)
+{
+    osl::MutexGuard g(GetMutex());
+    if (pGlobal.is())
+    {
+        if (bIsReady)
+            pGlobal->cReady.set();
+        else
+            pGlobal->cReady.reset();
+    }
+}
+
+void RequestHandler::WaitForReady()
+{
+    rtl::Reference<RequestHandler> t;
+    {
+        osl::MutexGuard g(GetMutex());
+        t =  pGlobal;
+    }
+    if (t.is())
+    {
+        t->cReady.wait();
+    }
+}
+
+bool IpcThread::process(OString const & arguments, bool * waitProcessed) {
+    assert(waitProcessed != nullptr);
+
+    std::unique_ptr< CommandLineArgs > aCmdLineArgs;
+    try
+    {
+        Parser p(arguments);
+        aCmdLineArgs.reset( new CommandLineArgs( p ) );
+    }
+    catch ( const CommandLineArgs::Supplier::Exception & )
+    {
+        SAL_WARN("desktop.app", "Error in received command line arguments");
+        return false;
+    }
+
+    bool bDocRequestSent = false;
+
+    OUString aUnknown( aCmdLineArgs->GetUnknown() );
+    if (aUnknown.isEmpty() && !aCmdLineArgs->IsHelp() && !aCmdLineArgs->IsVersion())
+    {
+        const CommandLineArgs &rCurrentCmdLineArgs = Desktop::GetCommandLineArgs();
+
+        if ( aCmdLineArgs->IsQuickstart() )
+        {
+            // we have to use application event, because we have to start quickstart service in main thread!!
+            ApplicationEvent* pAppEvent =
+                new ApplicationEvent(ApplicationEvent::Type::QuickStart);
+            ImplPostForeignAppEvent( pAppEvent );
+        }
+
+        // handle request for acceptor
+        std::vector< OUString > const & accept = aCmdLineArgs->GetAccept();
+        for (auto const& elem : accept)
+        {
+            ApplicationEvent* pAppEvent = new ApplicationEvent(
+                ApplicationEvent::Type::Accept, elem);
+            ImplPostForeignAppEvent( pAppEvent );
+        }
+        // handle acceptor removal
+        std::vector< OUString > const & unaccept = aCmdLineArgs->GetUnaccept();
+        for (auto const& elem : unaccept)
+        {
+            ApplicationEvent* pAppEvent = new ApplicationEvent(
+                ApplicationEvent::Type::Unaccept, elem);
+            ImplPostForeignAppEvent( pAppEvent );
+        }
+
+        std::unique_ptr<ProcessDocumentsRequest> pRequest(new ProcessDocumentsRequest(
+            aCmdLineArgs->getCwdUrl()));
+        m_handler->cProcessed.reset();
+        pRequest->pcProcessed = &m_handler->cProcessed;
+        m_handler->mbSuccess = false;
+        pRequest->mpbSuccess = &m_handler->mbSuccess;
+
+        // Print requests are not dependent on the --invisible cmdline argument as they are
+        // loaded with the "hidden" flag! So they are always checked.
+        pRequest->aPrintList = aCmdLineArgs->GetPrintList();
+        bDocRequestSent |= !pRequest->aPrintList.empty();
+        pRequest->aPrintToList = aCmdLineArgs->GetPrintToList();
+        pRequest->aPrinterName = aCmdLineArgs->GetPrinterName();
+        bDocRequestSent |= !( pRequest->aPrintToList.empty() || pRequest->aPrinterName.isEmpty() );
+        pRequest->aConversionList = aCmdLineArgs->GetConversionList();
+        pRequest->aConversionParams = aCmdLineArgs->GetConversionParams();
+        pRequest->aConversionOut = aCmdLineArgs->GetConversionOut();
+        pRequest->aImageConversionType = aCmdLineArgs->GetImageConversionType();
+        pRequest->aInFilter = aCmdLineArgs->GetInFilter();
+        pRequest->bTextCat = aCmdLineArgs->IsTextCat();
+        pRequest->bScriptCat = aCmdLineArgs->IsScriptCat();
+        bDocRequestSent |= !pRequest->aConversionList.empty();
+
+        if ( !rCurrentCmdLineArgs.IsInvisible() )
+        {
+            // Read cmdline args that can open/create documents. As they would open a window
+            // they are only allowed if the "--invisible" is currently not used!
+            pRequest->aOpenList = aCmdLineArgs->GetOpenList();
+            bDocRequestSent |= !pRequest->aOpenList.empty();
+            pRequest->aViewList = aCmdLineArgs->GetViewList();
+            bDocRequestSent |= !pRequest->aViewList.empty();
+            pRequest->aStartList = aCmdLineArgs->GetStartList();
+            bDocRequestSent |= !pRequest->aStartList.empty();
+            pRequest->aForceOpenList = aCmdLineArgs->GetForceOpenList();
+            bDocRequestSent |= !pRequest->aForceOpenList.empty();
+            pRequest->aForceNewList = aCmdLineArgs->GetForceNewList();
+            bDocRequestSent |= !pRequest->aForceNewList.empty();
+
+            // Special command line args to create an empty document for a given module
+
+            // #i18338# (lo)
+            // we only do this if no document was specified on the command line,
+            // since this would be inconsistent with the behaviour of
+            // the first process, see OpenClients() (call to OpenDefault()) in app.cxx
+            if ( aCmdLineArgs->HasModuleParam() && !bDocRequestSent )
+            {
+                SvtModuleOptions aOpt;
+                SvtModuleOptions::EFactory eFactory = SvtModuleOptions::EFactory::WRITER;
+                if ( aCmdLineArgs->IsWriter() )
+                    eFactory = SvtModuleOptions::EFactory::WRITER;
+                else if ( aCmdLineArgs->IsCalc() )
+                    eFactory = SvtModuleOptions::EFactory::CALC;
+                else if ( aCmdLineArgs->IsDraw() )
+                    eFactory = SvtModuleOptions::EFactory::DRAW;
+                else if ( aCmdLineArgs->IsImpress() )
+                    eFactory = SvtModuleOptions::EFactory::IMPRESS;
+                else if ( aCmdLineArgs->IsBase() )
+                    eFactory = SvtModuleOptions::EFactory::DATABASE;
+                else if ( aCmdLineArgs->IsMath() )
+                    eFactory = SvtModuleOptions::EFactory::MATH;
+                else if ( aCmdLineArgs->IsGlobal() )
+                    eFactory = SvtModuleOptions::EFactory::WRITERGLOBAL;
+                else if ( aCmdLineArgs->IsWeb() )
+                    eFactory = SvtModuleOptions::EFactory::WRITERWEB;
+
+                if ( !pRequest->aOpenList.empty() )
+                    pRequest->aModule = aOpt.GetFactoryName( eFactory );
+                else
+                    pRequest->aOpenList.push_back( aOpt.GetFactoryEmptyDocumentURL( eFactory ) );
+                bDocRequestSent = true;
+            }
+        }
+
+        if ( !aCmdLineArgs->IsQuickstart() ) {
+            bool bShowHelp = false;
+            OUStringBuffer aHelpURLBuffer;
+            if (aCmdLineArgs->IsHelpWriter()) {
+                bShowHelp = true;
+                aHelpURLBuffer.append("vnd.sun.star.help://swriter/start");
+            } else if (aCmdLineArgs->IsHelpCalc()) {
+                bShowHelp = true;
+                aHelpURLBuffer.append("vnd.sun.star.help://scalc/start");
+            } else if (aCmdLineArgs->IsHelpDraw()) {
+                bShowHelp = true;
+                aHelpURLBuffer.append("vnd.sun.star.help://sdraw/start");
+            } else if (aCmdLineArgs->IsHelpImpress()) {
+                bShowHelp = true;
+                aHelpURLBuffer.append("vnd.sun.star.help://simpress/start");
+            } else if (aCmdLineArgs->IsHelpBase()) {
+                bShowHelp = true;
+                aHelpURLBuffer.append("vnd.sun.star.help://sdatabase/start");
+            } else if (aCmdLineArgs->IsHelpBasic()) {
+                bShowHelp = true;
+                aHelpURLBuffer.append("vnd.sun.star.help://sbasic/start");
+            } else if (aCmdLineArgs->IsHelpMath()) {
+                bShowHelp = true;
+                aHelpURLBuffer.append("vnd.sun.star.help://smath/start");
+            }
+            if (bShowHelp) {
+                aHelpURLBuffer.append("?Language=");
+                aHelpURLBuffer.append(utl::ConfigManager::getUILocale());
+#if defined UNX
+                aHelpURLBuffer.append("&System=UNX");
+#elif defined _WIN32
+                aHelpURLBuffer.append("&System=WIN");
+#endif
+                ApplicationEvent* pAppEvent = new ApplicationEvent(
+                    ApplicationEvent::Type::OpenHelpUrl,
+                    aHelpURLBuffer.makeStringAndClear());
+                ImplPostForeignAppEvent( pAppEvent );
+            }
+        }
+
+        if ( bDocRequestSent )
+        {
+            // Send requests to dispatch watcher if we have at least one. The receiver
+            // is responsible to delete the request after processing it.
+            if ( aCmdLineArgs->HasModuleParam() )
+            {
+                SvtModuleOptions    aOpt;
+
+                // Support command line parameters to start a module (as preselection)
+                if ( aCmdLineArgs->IsWriter() && aOpt.IsModuleInstalled( SvtModuleOptions::EModule::WRITER ) )
+                    pRequest->aModule = aOpt.GetFactoryName( SvtModuleOptions::EFactory::WRITER );
+                else if ( aCmdLineArgs->IsCalc() && aOpt.IsModuleInstalled( SvtModuleOptions::EModule::CALC ) )
+                    pRequest->aModule = aOpt.GetFactoryName( SvtModuleOptions::EFactory::CALC );
+                else if ( aCmdLineArgs->IsImpress() && aOpt.IsModuleInstalled( SvtModuleOptions::EModule::IMPRESS ) )
+                    pRequest->aModule= aOpt.GetFactoryName( SvtModuleOptions::EFactory::IMPRESS );
+                else if ( aCmdLineArgs->IsDraw() && aOpt.IsModuleInstalled( SvtModuleOptions::EModule::DRAW ) )
+                    pRequest->aModule= aOpt.GetFactoryName( SvtModuleOptions::EFactory::DRAW );
+            }
+
+            ImplPostProcessDocumentsEvent( std::move(pRequest) );
+        }
+        else
+        {
+            // delete not used request again
+            pRequest.reset();
+        }
+        if (aCmdLineArgs->IsEmpty())
+        {
+            // no document was sent, just bring Office to front
+            ApplicationEvent* pAppEvent =
+                new ApplicationEvent(ApplicationEvent::Type::Appear);
+            ImplPostForeignAppEvent( pAppEvent );
+        }
+    }
+    *waitProcessed = bDocRequestSent;
+    return true;
+}
+
+void PipeIpcThread::execute()
+{
+    assert(m_handler != nullptr);
+    do
+    {
+        osl::StreamPipe aStreamPipe;
+        oslPipeError nError = pipe_.accept( aStreamPipe );
+
+
+        if( nError == osl_Pipe_E_None )
+        {
+            // if we receive a request while the office is displaying some dialog or error during
+            // bootstrap, that dialogs event loop might get events that are dispatched by this thread
+            // we have to wait for cReady to be set by the real main loop.
+            // only requests that don't dispatch events may be processed before cReady is set.
+            m_handler->cReady.wait();
+
+            // we might have decided to shutdown while we were sleeping
+            if (!RequestHandler::pGlobal.is()) return;
+
+            // only lock the mutex when processing starts, otherwise we deadlock when the office goes
+            // down during wait
+            osl::ClearableMutexGuard aGuard( RequestHandler::GetMutex() );
+
+            if (m_handler->mState == RequestHandler::State::Downing)
+            {
+                break;
+            }
+
+            // notify client we're ready to process its args:
+            SAL_INFO("desktop.app", "writing <" << SEND_ARGUMENTS << ">");
+            sal_Int32 n = aStreamPipe.write(
+                SEND_ARGUMENTS, SAL_N_ELEMENTS(SEND_ARGUMENTS));
+                // incl. terminating NUL
+            if (n != SAL_N_ELEMENTS(SEND_ARGUMENTS)) {
+                SAL_WARN("desktop.app", "short write: " << n);
+                continue;
+            }
+
+            OString aArguments = readStringFromPipe(aStreamPipe);
+
+            // Is this a lookup message from another application? if so, ignore
+            if (aArguments.isEmpty())
+                continue;
+
+            bool waitProcessed = false;
+            if (!process(aArguments, &waitProcessed)) {
+                continue;
+            }
+
+            // we don't need the mutex any longer...
+            aGuard.clear();
+            bool bSuccess = true;
+            // wait for processing to finish
+            if (waitProcessed)
+            {
+                m_handler->cProcessed.wait();
+                bSuccess = m_handler->mbSuccess;
+            }
+            if (bSuccess)
+            {
+                // processing finished, inform the requesting end:
+                SAL_INFO("desktop.app", "writing <" << PROCESSING_DONE << ">");
+                n = aStreamPipe.write(PROCESSING_DONE, SAL_N_ELEMENTS(PROCESSING_DONE));
+                // incl. terminating NUL
+                if (n != SAL_N_ELEMENTS(PROCESSING_DONE))
+                {
+                    SAL_WARN("desktop.app", "short write: " << n);
+                    continue;
+                }
+            }
+        }
+        else
+        {
+            {
+                osl::MutexGuard aGuard( RequestHandler::GetMutex() );
+                if (m_handler->mState == RequestHandler::State::Downing)
+                {
+                    break;
+                }
+            }
+
+            SAL_WARN( "desktop.app", "Error on accept: " << static_cast<int>(nError));
+            TimeValue tval;
+            tval.Seconds = 1;
+            tval.Nanosec = 0;
+            salhelper::Thread::wait( tval );
+        }
+    } while( schedule() );
+}
+
+static void AddToDispatchList(
+    std::vector<DispatchWatcher::DispatchRequest>& rDispatchList,
+    std::optional< OUString > const & cwdUrl,
+    std::vector< OUString > const & aRequestList,
+    DispatchWatcher::RequestType nType,
+    const OUString& aParam,
+    const OUString& aFactory )
+{
+    for (auto const& request : aRequestList)
+    {
+        rDispatchList.push_back({nType, request, cwdUrl, aParam, aFactory});
+    }
+}
+
+static void AddConversionsToDispatchList(
+    std::vector<DispatchWatcher::DispatchRequest>& rDispatchList,
+    std::optional< OUString > const & cwdUrl,
+    std::vector< OUString > const & rRequestList,
+    const OUString& rParam,
+    const OUString& rPrinterName,
+    const OUString& rFactory,
+    const OUString& rParamOut,
+    std::u16string_view rImgOut,
+    const bool isTextCat,
+    const bool isScriptCat )
+{
+    DispatchWatcher::RequestType nType;
+    OUString aParam( rParam );
+
+    if( !rParam.isEmpty() )
+    {
+        if ( isTextCat )
+            nType = DispatchWatcher::REQUEST_CAT;
+        else
+            nType = DispatchWatcher::REQUEST_CONVERSION;
+        aParam = rParam;
+    }
+    else
+    {
+        if ( isScriptCat )
+            nType = DispatchWatcher::REQUEST_SCRIPT_CAT;
+        else
+        {
+            nType = DispatchWatcher::REQUEST_BATCHPRINT;
+            aParam = rPrinterName;
+        }
+    }
+
+    OUString aOutDir( rParamOut.trim() );
+    std::u16string_view aImgOut = o3tl::trim(rImgOut);
+    OUString aPWD;
+    if (cwdUrl)
+    {
+        aPWD = *cwdUrl;
+    }
+    else
+    {
+        utl::Bootstrap::getProcessWorkingDir( aPWD );
+    }
+
+    if( !::osl::FileBase::getAbsoluteFileURL( aPWD, rParamOut, aOutDir ) )
+        ::osl::FileBase::getSystemPathFromFileURL( aOutDir, aOutDir );
+
+    if( !rParamOut.trim().isEmpty() )
+    {
+        aParam += ";" + aOutDir;
+    }
+    else
+    {
+        ::osl::FileBase::getSystemPathFromFileURL( aPWD, aPWD );
+        aParam += ";" + aPWD;
+    }
+
+    if( !rImgOut.empty() )
+        aParam += OUString::Concat("|") + aImgOut;
+
+    for (auto const& request : rRequestList)
+    {
+        rDispatchList.push_back({nType, request, cwdUrl, aParam, rFactory});
+    }
+}
+
+namespace {
+
+struct ConditionSetGuard
+{
+    osl::Condition* m_pCondition;
+    ConditionSetGuard(osl::Condition* pCondition) : m_pCondition(pCondition) {}
+    ~ConditionSetGuard() { if (m_pCondition) m_pCondition->set(); }
+};
+
+}
+
+bool RequestHandler::ExecuteCmdLineRequests(
+    ProcessDocumentsRequest& aRequest, bool noTerminate)
+{
+    // protect the dispatch list
+    osl::ClearableMutexGuard aGuard( GetMutex() );
+
+    // ensure that Processed flag (if exists) is signaled in any outcome
+    ConditionSetGuard aSetGuard(aRequest.pcProcessed);
+
+    static std::vector<DispatchWatcher::DispatchRequest> aDispatchList;
+
+    // Create dispatch list for dispatch watcher
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aInFilter, DispatchWatcher::REQUEST_INFILTER, "", aRequest.aModule );
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aOpenList, DispatchWatcher::REQUEST_OPEN, "", aRequest.aModule );
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aViewList, DispatchWatcher::REQUEST_VIEW, "", aRequest.aModule );
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aStartList, DispatchWatcher::REQUEST_START, "", aRequest.aModule );
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aPrintList, DispatchWatcher::REQUEST_PRINT, "", aRequest.aModule );
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aPrintToList, DispatchWatcher::REQUEST_PRINTTO, aRequest.aPrinterName, aRequest.aModule );
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aForceOpenList, DispatchWatcher::REQUEST_FORCEOPEN, "", aRequest.aModule );
+    AddToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aForceNewList, DispatchWatcher::REQUEST_FORCENEW, "", aRequest.aModule );
+    AddConversionsToDispatchList( aDispatchList, aRequest.aCwdUrl, aRequest.aConversionList, aRequest.aConversionParams, aRequest.aPrinterName, aRequest.aModule, aRequest.aConversionOut, aRequest.aImageConversionType, aRequest.bTextCat, aRequest.bScriptCat );
+    bool bShutdown( false );
+
+    if ( pGlobal.is() )
+    {
+        if( ! pGlobal->AreRequestsEnabled() )
+        {
+            // Either starting, or downing - do not process the request, just try to bring Office to front
+            ApplicationEvent* pAppEvent =
+                new ApplicationEvent(ApplicationEvent::Type::Appear);
+            ImplPostForeignAppEvent(pAppEvent);
+            return bShutdown;
+        }
+
+        pGlobal->mnPendingRequests += aDispatchList.size();
+        if ( !pGlobal->mpDispatchWatcher.is() )
+        {
+            pGlobal->mpDispatchWatcher = new DispatchWatcher;
+        }
+        rtl::Reference<DispatchWatcher> dispatchWatcher(
+            pGlobal->mpDispatchWatcher);
+
+        // copy for execute
+        std::vector<DispatchWatcher::DispatchRequest> aTempList;
+        aTempList.swap( aDispatchList );
+
+        aGuard.clear();
+
+        // Execute dispatch requests
+        bShutdown = dispatchWatcher->executeDispatchRequests( aTempList, noTerminate);
+        if (aRequest.mpbSuccess)
+            *aRequest.mpbSuccess = true; // signal that we have actually succeeded
+    }
+
+    return bShutdown;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */