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, 3000 insertions, 0 deletions

diff --git a/sfx2/source/dialog/filedlghelper.cxx b/sfx2/source/dialog/filedlghelper.cxx
new file mode 100644
index 000000000..859c5663f
--- /dev/null
+++ b/sfx2/source/dialog/filedlghelper.cxx
@@ -0,0 +1,3000 @@
+/* -*- 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 <memory>
+#include <optional>
+#include <string_view>
+
+#include <sfx2/filedlghelper.hxx>
+#include <sal/types.h>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/ui/dialogs/CommonFilePickerElementIds.hpp>
+#include <com/sun/star/ui/dialogs/ControlActions.hpp>
+#include <com/sun/star/ui/dialogs/ExecutableDialogResults.hpp>
+#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
+#include <com/sun/star/ui/dialogs/FilePreviewImageFormats.hpp>
+#include <com/sun/star/ui/dialogs/FolderPicker.hpp>
+#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
+#include <com/sun/star/ui/dialogs/XControlInformation.hpp>
+#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
+#include <com/sun/star/ui/dialogs/XFilePreview.hpp>
+#include <com/sun/star/ui/dialogs/XFilePicker3.hpp>
+#include <com/sun/star/ui/dialogs/XAsynchronousExecutableDialog.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/beans/NamedValue.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/container/XEnumeration.hpp>
+#include <com/sun/star/container/XContainerQuery.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/task/InteractionHandler.hpp>
+#include <com/sun/star/task/XInteractionRequest.hpp>
+#include <com/sun/star/util/RevisionTag.hpp>
+#include <comphelper/fileurl.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/sequenceashashmap.hxx>
+#include <comphelper/string.hxx>
+#include <comphelper/types.hxx>
+#include <tools/urlobj.hxx>
+#include <vcl/help.hxx>
+#include <vcl/weld.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <unotools/ucbhelper.hxx>
+#include <osl/file.hxx>
+#include <osl/security.hxx>
+#include <vcl/mnemonic.hxx>
+#include <vcl/svapp.hxx>
+#include <unotools/pathoptions.hxx>
+#include <unotools/saveopt.hxx>
+#include <unotools/securityoptions.hxx>
+#include <svl/itemset.hxx>
+#include <svl/eitem.hxx>
+#include <svl/intitem.hxx>
+#include <vcl/dibtools.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <unotools/viewoptions.hxx>
+#include <svtools/helpids.h>
+#include <comphelper/docpasswordrequest.hxx>
+#include <comphelper/docpasswordhelper.hxx>
+#include <ucbhelper/content.hxx>
+#include <comphelper/storagehelper.hxx>
+#include <sfx2/app.hxx>
+#include <sfx2/frame.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/docfilt.hxx>
+#include <sfx2/objsh.hxx>
+#include <sfx2/sfxresid.hxx>
+#include <sfx2/sfxsids.hrc>
+#include "filtergrouping.hxx"
+#include "filedlgimpl.hxx"
+#include <sfx2/strings.hrc>
+#include <sal/log.hxx>
+#include <comphelper/sequence.hxx>
+#include <tools/diagnose_ex.h>
+#include <o3tl/string_view.hxx>
+#include <officecfg/Office/Common.hxx>
+
+#ifdef UNX
+#include <errno.h>
+#include <sys/stat.h>
+#endif
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::ui::dialogs;
+using namespace ::com::sun::star::ui::dialogs::TemplateDescription;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::beans;
+using namespace ::cppu;
+
+constexpr OUStringLiteral IODLG_CONFIGNAME = u"FilePicker_Save";
+constexpr OUStringLiteral IMPGRF_CONFIGNAME = u"FilePicker_Graph";
+constexpr OUStringLiteral USERITEM_NAME = u"UserItem";
+
+namespace sfx2
+{
+
+namespace
+{
+    bool lclSupportsOOXMLEncryption(std::u16string_view aFilterName)
+    {
+        return  aFilterName == u"Calc MS Excel 2007 XML"
+                ||  aFilterName == u"MS Word 2007 XML"
+                ||  aFilterName == u"Impress MS PowerPoint 2007 XML"
+                ||  aFilterName == u"Impress MS PowerPoint 2007 XML AutoPlay"
+                ||  aFilterName == u"Calc Office Open XML"
+                ||  aFilterName == u"Impress Office Open XML"
+                ||  aFilterName == u"Impress Office Open XML AutoPlay"
+                ||  aFilterName == u"Office Open XML Text";
+    }
+}
+
+static std::optional<OUString> GetLastFilterConfigId( FileDialogHelper::Context _eContext )
+{
+    static constexpr OUStringLiteral aSD_EXPORT_IDENTIFIER(u"SdExportLastFilter");
+    static constexpr OUStringLiteral aSI_EXPORT_IDENTIFIER(u"SiExportLastFilter");
+    static constexpr OUStringLiteral aSW_EXPORT_IDENTIFIER(u"SwExportLastFilter");
+
+    switch( _eContext )
+    {
+        case FileDialogHelper::DrawExport: return aSD_EXPORT_IDENTIFIER;
+        case FileDialogHelper::ImpressExport: return aSI_EXPORT_IDENTIFIER;
+        case FileDialogHelper::WriterExport: return aSW_EXPORT_IDENTIFIER;
+        default: break;
+    }
+
+    return {};
+}
+
+static OUString EncodeSpaces_Impl( const OUString& rSource );
+static OUString DecodeSpaces_Impl( const OUString& rSource );
+
+// FileDialogHelper_Impl
+
+// XFilePickerListener Methods
+void SAL_CALL FileDialogHelper_Impl::fileSelectionChanged( const FilePickerEvent& )
+{
+    SolarMutexGuard aGuard;
+    mpAntiImpl->FileSelectionChanged();
+}
+
+void SAL_CALL FileDialogHelper_Impl::directoryChanged( const FilePickerEvent& )
+{
+    SolarMutexGuard aGuard;
+    mpAntiImpl->DirectoryChanged();
+}
+
+OUString SAL_CALL FileDialogHelper_Impl::helpRequested( const FilePickerEvent& aEvent )
+{
+    SolarMutexGuard aGuard;
+    return sfx2::FileDialogHelper::HelpRequested( aEvent );
+}
+
+void SAL_CALL FileDialogHelper_Impl::controlStateChanged( const FilePickerEvent& aEvent )
+{
+    SolarMutexGuard aGuard;
+    mpAntiImpl->ControlStateChanged( aEvent );
+}
+
+void SAL_CALL FileDialogHelper_Impl::dialogSizeChanged()
+{
+    SolarMutexGuard aGuard;
+    mpAntiImpl->DialogSizeChanged();
+}
+
+// XDialogClosedListener Methods
+void SAL_CALL FileDialogHelper_Impl::dialogClosed( const DialogClosedEvent& _rEvent )
+{
+    SolarMutexGuard aGuard;
+    mpAntiImpl->DialogClosed( _rEvent );
+    postExecute( _rEvent.DialogResult );
+}
+
+// handle XFilePickerListener events
+void FileDialogHelper_Impl::handleFileSelectionChanged()
+{
+    if ( mbHasVersions )
+        updateVersions();
+
+    if ( mbShowPreview )
+        maPreviewIdle.Start();
+}
+
+void FileDialogHelper_Impl::handleDirectoryChanged()
+{
+    if ( mbShowPreview )
+        TimeOutHdl_Impl( nullptr );
+}
+
+OUString FileDialogHelper_Impl::handleHelpRequested( const FilePickerEvent& aEvent )
+{
+    //!!! todo: cache the help strings (here or TRA)
+
+    OString sHelpId;
+    // mapping from element id -> help id
+    switch ( aEvent.ElementId )
+    {
+        case ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION :
+            sHelpId = HID_FILESAVE_AUTOEXTENSION;
+            break;
+
+        case ExtendedFilePickerElementIds::CHECKBOX_PASSWORD :
+            sHelpId = HID_FILESAVE_SAVEWITHPASSWORD;
+            break;
+
+        case ExtendedFilePickerElementIds::CHECKBOX_FILTEROPTIONS :
+            sHelpId = HID_FILESAVE_CUSTOMIZEFILTER;
+            break;
+
+        case ExtendedFilePickerElementIds::CHECKBOX_READONLY :
+            sHelpId = HID_FILEOPEN_READONLY;
+            break;
+
+        case ExtendedFilePickerElementIds::CHECKBOX_LINK :
+            sHelpId = HID_FILEDLG_LINK_CB;
+            break;
+
+        case ExtendedFilePickerElementIds::CHECKBOX_PREVIEW :
+            sHelpId = HID_FILEDLG_PREVIEW_CB;
+            break;
+
+        case ExtendedFilePickerElementIds::PUSHBUTTON_PLAY :
+            sHelpId = HID_FILESAVE_DOPLAY;
+            break;
+
+        case ExtendedFilePickerElementIds::LISTBOX_VERSION_LABEL :
+        case ExtendedFilePickerElementIds::LISTBOX_VERSION :
+            sHelpId = HID_FILEOPEN_VERSION;
+            break;
+
+        case ExtendedFilePickerElementIds::LISTBOX_TEMPLATE_LABEL :
+        case ExtendedFilePickerElementIds::LISTBOX_TEMPLATE :
+            sHelpId = HID_FILESAVE_TEMPLATE;
+            break;
+
+        case ExtendedFilePickerElementIds::LISTBOX_IMAGE_TEMPLATE_LABEL :
+        case ExtendedFilePickerElementIds::LISTBOX_IMAGE_TEMPLATE :
+            sHelpId = HID_FILEOPEN_IMAGE_TEMPLATE;
+            break;
+
+        case ExtendedFilePickerElementIds::LISTBOX_IMAGE_ANCHOR_LABEL :
+        case ExtendedFilePickerElementIds::LISTBOX_IMAGE_ANCHOR :
+            sHelpId = HID_FILEOPEN_IMAGE_ANCHOR;
+            break;
+
+        case ExtendedFilePickerElementIds::CHECKBOX_SELECTION :
+            sHelpId = HID_FILESAVE_SELECTION;
+            break;
+
+        default:
+            SAL_WARN( "sfx.dialog", "invalid element id" );
+    }
+
+    OUString aHelpText;
+    Help* pHelp = Application::GetHelp();
+    if ( pHelp )
+        aHelpText = pHelp->GetHelpText(OStringToOUString(sHelpId, RTL_TEXTENCODING_UTF8), static_cast<weld::Widget*>(nullptr));
+    return aHelpText;
+}
+
+void FileDialogHelper_Impl::handleControlStateChanged( const FilePickerEvent& aEvent )
+{
+    switch ( aEvent.ElementId )
+    {
+        case CommonFilePickerElementIds::LISTBOX_FILTER:
+            updateFilterOptionsBox();
+            enablePasswordBox( false );
+            updateSelectionBox();
+            // only use it for export and with our own dialog
+            if ( mbExport && !mbSystemPicker )
+                updateExportButton();
+            break;
+
+        case ExtendedFilePickerElementIds::CHECKBOX_PREVIEW:
+            updatePreviewState(true);
+            break;
+    }
+}
+
+void FileDialogHelper_Impl::handleDialogSizeChanged()
+{
+    if ( mbShowPreview )
+        TimeOutHdl_Impl( nullptr );
+}
+
+// XEventListener Methods
+void SAL_CALL FileDialogHelper_Impl::disposing( const EventObject& )
+{
+    SolarMutexGuard aGuard;
+    dispose();
+}
+
+void FileDialogHelper_Impl::dispose()
+{
+    if ( mxFileDlg.is() )
+    {
+        // remove the event listener
+        mxFileDlg->removeFilePickerListener( this );
+
+        ::comphelper::disposeComponent( mxFileDlg );
+        mxFileDlg.clear();
+    }
+}
+
+OUString FileDialogHelper_Impl::getCurrentFilterUIName() const
+{
+    OUString aFilterName;
+
+    if( mxFileDlg.is() )
+    {
+        aFilterName = mxFileDlg->getCurrentFilter();
+
+        if ( !aFilterName.isEmpty() && isShowFilterExtensionEnabled() )
+            aFilterName = getFilterName( aFilterName );
+    }
+
+    return aFilterName;
+}
+
+void FileDialogHelper_Impl::LoadLastUsedFilter( const OUString& _rContextIdentifier )
+{
+    SvtViewOptions aDlgOpt( EViewType::Dialog, IODLG_CONFIGNAME );
+
+    if( aDlgOpt.Exists() )
+    {
+        OUString    aLastFilter;
+        if( aDlgOpt.GetUserItem( _rContextIdentifier ) >>= aLastFilter )
+            setFilter( aLastFilter );
+    }
+}
+
+void FileDialogHelper_Impl::SaveLastUsedFilter()
+{
+    std::optional<OUString> pConfigId = GetLastFilterConfigId( meContext );
+    if( pConfigId )
+        SvtViewOptions( EViewType::Dialog, IODLG_CONFIGNAME ).SetUserItem( *pConfigId,
+                            Any( getFilterWithExtension( getFilter() ) ) );
+}
+
+std::shared_ptr<const SfxFilter> FileDialogHelper_Impl::getCurentSfxFilter()
+{
+    OUString aFilterName = getCurrentFilterUIName();
+
+    if ( mpMatcher && !aFilterName.isEmpty() )
+        return mpMatcher->GetFilter4UIName( aFilterName, m_nMustFlags, m_nDontFlags );
+
+    return nullptr;
+}
+
+bool FileDialogHelper_Impl::updateExtendedControl( sal_Int16 _nExtendedControlId, bool _bEnable )
+{
+    bool bIsEnabled = false;
+
+    uno::Reference < XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+    if ( xCtrlAccess.is() )
+    {
+        try
+        {
+            xCtrlAccess->enableControl( _nExtendedControlId, _bEnable );
+            bIsEnabled = _bEnable;
+        }
+        catch( const IllegalArgumentException& )
+        {
+            TOOLS_WARN_EXCEPTION( "sfx", "FileDialogHelper_Impl::updateExtendedControl" );
+        }
+    }
+    return bIsEnabled;
+}
+
+bool FileDialogHelper_Impl::CheckFilterOptionsCapability( const std::shared_ptr<const SfxFilter>& _pFilter )
+{
+    bool bResult = false;
+
+    if( mxFilterCFG.is() && _pFilter )
+    {
+        try
+        {
+            Sequence < PropertyValue > aProps;
+            Any aAny = mxFilterCFG->getByName( _pFilter->GetName() );
+            if ( aAny >>= aProps )
+            {
+                OUString aServiceName;
+                for( const auto& rProp : std::as_const(aProps) )
+                {
+                    if( rProp.Name == "UIComponent" )
+                    {
+                        rProp.Value >>= aServiceName;
+                        if( !aServiceName.isEmpty() )
+                            bResult = true;
+                    }
+                }
+            }
+        }
+        catch( const Exception& )
+        {
+        }
+    }
+
+    return bResult;
+}
+
+bool FileDialogHelper_Impl::isInOpenMode() const
+{
+    bool bRet = false;
+
+    switch ( m_nDialogType )
+    {
+        case FILEOPEN_SIMPLE:
+        case FILEOPEN_LINK_PREVIEW_IMAGE_TEMPLATE:
+        case FILEOPEN_PLAY:
+        case FILEOPEN_LINK_PLAY:
+        case FILEOPEN_READONLY_VERSION:
+        case FILEOPEN_LINK_PREVIEW:
+        case FILEOPEN_PREVIEW:
+            bRet = true;
+    }
+
+    return bRet;
+}
+
+void FileDialogHelper_Impl::updateFilterOptionsBox()
+{
+    if ( !m_bHaveFilterOptions )
+        return;
+
+    updateExtendedControl(
+        ExtendedFilePickerElementIds::CHECKBOX_FILTEROPTIONS,
+        CheckFilterOptionsCapability( getCurentSfxFilter() )
+    );
+}
+
+void FileDialogHelper_Impl::updateExportButton()
+{
+    uno::Reference < XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+    if ( !xCtrlAccess.is() )
+        return;
+
+    OUString sOldLabel( xCtrlAccess->getLabel( CommonFilePickerElementIds::PUSHBUTTON_OK ) );
+
+    // initialize button label; we need the label with the mnemonic char
+    if ( maButtonLabel.isEmpty() || maButtonLabel.indexOf( MNEMONIC_CHAR ) == -1 )
+    {
+        // cut the ellipses, if necessary
+        sal_Int32 nIndex = sOldLabel.indexOf( "..." );
+        if ( -1 == nIndex )
+            nIndex = sOldLabel.getLength();
+        maButtonLabel = sOldLabel.copy( 0, nIndex );
+    }
+
+    OUString sLabel = maButtonLabel;
+    // filter with options -> append ellipses on export button label
+    if ( CheckFilterOptionsCapability( getCurentSfxFilter() ) )
+        sLabel += "...";
+
+    if ( sOldLabel != sLabel )
+    {
+        try
+        {
+            xCtrlAccess->setLabel( CommonFilePickerElementIds::PUSHBUTTON_OK, sLabel );
+        }
+        catch( const IllegalArgumentException& )
+        {
+            TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::updateExportButton" );
+        }
+    }
+}
+
+void FileDialogHelper_Impl::updateSelectionBox()
+{
+    if ( !mbHasSelectionBox )
+        return;
+
+    // Does the selection box exist?
+    bool bSelectionBoxFound = false;
+    uno::Reference< XControlInformation > xCtrlInfo( mxFileDlg, UNO_QUERY );
+    if ( xCtrlInfo.is() )
+    {
+        Sequence< OUString > aCtrlList = xCtrlInfo->getSupportedControls();
+        bSelectionBoxFound = comphelper::findValue(aCtrlList, "SelectionBox") != -1;
+    }
+
+    if ( bSelectionBoxFound )
+    {
+        std::shared_ptr<const SfxFilter> pFilter = getCurentSfxFilter();
+        mbSelectionFltrEnabled = updateExtendedControl(
+            ExtendedFilePickerElementIds::CHECKBOX_SELECTION,
+            ( mbSelectionEnabled && pFilter && ( pFilter->GetFilterFlags() & SfxFilterFlags::SUPPORTSSELECTION ) ) );
+        uno::Reference< XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+        xCtrlAccess->setValue( ExtendedFilePickerElementIds::CHECKBOX_SELECTION, 0, Any( mbSelection ) );
+    }
+}
+
+void FileDialogHelper_Impl::enablePasswordBox( bool bInit )
+{
+    if ( ! mbHasPassword )
+        return;
+
+    bool bWasEnabled = mbIsPwdEnabled;
+
+    std::shared_ptr<const SfxFilter> pCurrentFilter = getCurentSfxFilter();
+    mbIsPwdEnabled = updateExtendedControl(
+        ExtendedFilePickerElementIds::CHECKBOX_PASSWORD,
+        pCurrentFilter && ( pCurrentFilter->GetFilterFlags() & SfxFilterFlags::ENCRYPTION )
+    );
+
+    if( bInit )
+    {
+        // in case of initialization previous state is not interesting
+        if( mbIsPwdEnabled )
+        {
+            uno::Reference< XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+            if( mbPwdCheckBoxState )
+                xCtrlAccess->setValue( ExtendedFilePickerElementIds::CHECKBOX_PASSWORD, 0, Any( true ) );
+        }
+    }
+    else if( !bWasEnabled && mbIsPwdEnabled )
+    {
+        uno::Reference< XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+        if( mbPwdCheckBoxState )
+            xCtrlAccess->setValue( ExtendedFilePickerElementIds::CHECKBOX_PASSWORD, 0, Any( true ) );
+    }
+    else if( bWasEnabled && !mbIsPwdEnabled )
+    {
+        // remember user settings until checkbox is enabled
+        uno::Reference< XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+        Any aValue = xCtrlAccess->getValue( ExtendedFilePickerElementIds::CHECKBOX_PASSWORD, 0 );
+        bool bPassWord = false;
+        mbPwdCheckBoxState = ( aValue >>= bPassWord ) && bPassWord;
+        xCtrlAccess->setValue( ExtendedFilePickerElementIds::CHECKBOX_PASSWORD, 0, Any( false ) );
+    }
+}
+
+void FileDialogHelper_Impl::updatePreviewState( bool _bUpdatePreviewWindow )
+{
+    if ( !mbHasPreview )
+        return;
+
+    uno::Reference< XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+
+    // check, whether or not we have to display a preview
+    if ( !xCtrlAccess.is() )
+        return;
+
+    try
+    {
+        Any aValue = xCtrlAccess->getValue( ExtendedFilePickerElementIds::CHECKBOX_PREVIEW, 0 );
+        bool bShowPreview = false;
+
+        if ( aValue >>= bShowPreview )
+        {
+            mbShowPreview = bShowPreview;
+
+            // setShowState has currently no effect for the
+            // OpenOffice FilePicker (see svtools/source/filepicker/iodlg.cxx)
+            uno::Reference< XFilePreview > xFilePreview( mxFileDlg, UNO_QUERY );
+            if ( xFilePreview.is() )
+                xFilePreview->setShowState( mbShowPreview );
+
+            if ( _bUpdatePreviewWindow )
+                TimeOutHdl_Impl( nullptr );
+        }
+    }
+    catch( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::updatePreviewState" );
+    }
+}
+
+void FileDialogHelper_Impl::updateVersions()
+{
+    Sequence < OUString > aEntries;
+    Sequence < OUString > aPathSeq = mxFileDlg->getFiles();
+
+    if ( aPathSeq.getLength() == 1 )
+    {
+        INetURLObject aObj( aPathSeq[0] );
+
+        if ( ( aObj.GetProtocol() == INetProtocol::File ) &&
+            ( utl::UCBContentHelper::IsDocument( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) ) )
+        {
+            try
+            {
+                uno::Reference< embed::XStorage > xStorage = ::comphelper::OStorageHelper::GetStorageFromURL(
+                                                                aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ),
+                                                                embed::ElementModes::READ );
+
+                DBG_ASSERT( xStorage.is(), "The method must return the storage or throw exception!" );
+                if ( !xStorage.is() )
+                    throw uno::RuntimeException();
+
+                const uno::Sequence < util::RevisionTag > xVersions = SfxMedium::GetVersionList( xStorage );
+
+                aEntries.realloc( xVersions.getLength() + 1 );
+                aEntries.getArray()[0] = SfxResId( STR_SFX_FILEDLG_ACTUALVERSION );
+
+                std::transform(xVersions.begin(), xVersions.end(), std::next(aEntries.getArray()),
+                    [](const util::RevisionTag& rVersion) -> OUString { return rVersion.Identifier; });
+            }
+            catch( const uno::Exception& )
+            {
+            }
+        }
+    }
+
+    uno::Reference < XFilePickerControlAccess > xDlg( mxFileDlg, UNO_QUERY );
+    Any aValue;
+
+    try
+    {
+        xDlg->setValue( ExtendedFilePickerElementIds::LISTBOX_VERSION,
+                        ControlActions::DELETE_ITEMS, aValue );
+    }
+    catch( const IllegalArgumentException& ){}
+
+    if ( !aEntries.hasElements() )
+        return;
+
+    try
+    {
+        aValue <<= aEntries;
+        xDlg->setValue( ExtendedFilePickerElementIds::LISTBOX_VERSION,
+                        ControlActions::ADD_ITEMS, aValue );
+
+        Any aPos;
+        aPos <<= sal_Int32(0);
+        xDlg->setValue( ExtendedFilePickerElementIds::LISTBOX_VERSION,
+                        ControlActions::SET_SELECT_ITEM, aPos );
+    }
+    catch( const IllegalArgumentException& ){}
+}
+
+IMPL_LINK_NOARG(FileDialogHelper_Impl, TimeOutHdl_Impl, Timer *, void)
+{
+    if ( !mbHasPreview )
+        return;
+
+    maGraphic.Clear();
+
+    Any aAny;
+    uno::Reference < XFilePreview > xFilePicker( mxFileDlg, UNO_QUERY );
+
+    if ( ! xFilePicker.is() )
+        return;
+
+    Sequence < OUString > aPathSeq = mxFileDlg->getFiles();
+
+    if ( mbShowPreview && ( aPathSeq.getLength() == 1 ) )
+    {
+        OUString    aURL = aPathSeq[0];
+
+        if ( ERRCODE_NONE == getGraphic( aURL, maGraphic ) )
+        {
+            // changed the code slightly;
+            // before: the bitmap was scaled and
+            // surrounded a white frame
+            // now: the bitmap will only be scaled
+            // and the filepicker implementation
+            // is responsible for placing it at its
+            // proper position and painting a frame
+
+            BitmapEx aBmp = maGraphic.GetBitmapEx();
+            if ( !aBmp.IsEmpty() )
+            {
+                // scale the bitmap to the correct size
+                sal_Int32 nOutWidth  = xFilePicker->getAvailableWidth();
+                sal_Int32 nOutHeight = xFilePicker->getAvailableHeight();
+                sal_Int32 nBmpWidth  = aBmp.GetSizePixel().Width();
+                sal_Int32 nBmpHeight = aBmp.GetSizePixel().Height();
+
+                double nXRatio = static_cast<double>(nOutWidth) / nBmpWidth;
+                double nYRatio = static_cast<double>(nOutHeight) / nBmpHeight;
+
+                if ( nXRatio < nYRatio )
+                    aBmp.Scale( nXRatio, nXRatio );
+                else
+                    aBmp.Scale( nYRatio, nYRatio );
+
+                // Convert to true color, to allow CopyPixel
+                aBmp.Convert( BmpConversion::N24Bit );
+
+                // and copy it into the Any
+                SvMemoryStream aData;
+
+                WriteDIB(aBmp, aData, false);
+
+                const Sequence < sal_Int8 > aBuffer(
+                    static_cast< const sal_Int8* >(aData.GetData()),
+                    aData.GetEndOfData() );
+
+                aAny <<= aBuffer;
+            }
+        }
+    }
+
+    try
+    {
+        SolarMutexReleaser aReleaseForCallback;
+        // clear the preview window
+        xFilePicker->setImage( FilePreviewImageFormats::BITMAP, aAny );
+    }
+    catch( const IllegalArgumentException& )
+    {
+    }
+}
+
+ErrCode FileDialogHelper_Impl::getGraphic( const OUString& rURL,
+                                           Graphic& rGraphic ) const
+{
+    if ( utl::UCBContentHelper::IsFolder( rURL ) )
+        return ERRCODE_IO_NOTAFILE;
+
+    if ( !mpGraphicFilter )
+        return ERRCODE_IO_NOTSUPPORTED;
+
+    // select graphic filter from dialog filter selection
+    OUString aCurFilter( getFilter() );
+
+    sal_uInt16 nFilter = !aCurFilter.isEmpty() && mpGraphicFilter->GetImportFormatCount()
+                    ? mpGraphicFilter->GetImportFormatNumber( aCurFilter )
+                    : GRFILTER_FORMAT_DONTKNOW;
+
+    INetURLObject aURLObj( rURL );
+
+    if ( aURLObj.HasError() || INetProtocol::NotValid == aURLObj.GetProtocol() )
+    {
+        aURLObj.SetSmartProtocol( INetProtocol::File );
+        aURLObj.SetSmartURL( rURL );
+    }
+
+    ErrCode nRet = ERRCODE_NONE;
+
+    GraphicFilterImportFlags nFilterImportFlags = GraphicFilterImportFlags::SetLogsizeForJpeg;
+    // non-local?
+    if ( INetProtocol::File != aURLObj.GetProtocol() )
+    {
+        std::unique_ptr<SvStream> pStream = ::utl::UcbStreamHelper::CreateStream( rURL, StreamMode::READ );
+
+        if( pStream )
+            nRet = mpGraphicFilter->ImportGraphic( rGraphic, rURL, *pStream, nFilter, nullptr, nFilterImportFlags );
+        else
+            nRet = mpGraphicFilter->ImportGraphic( rGraphic, aURLObj, nFilter, nullptr, nFilterImportFlags );
+    }
+    else
+    {
+        nRet = mpGraphicFilter->ImportGraphic( rGraphic, aURLObj, nFilter, nullptr, nFilterImportFlags );
+    }
+
+    return nRet;
+}
+
+ErrCode FileDialogHelper_Impl::getGraphic( Graphic& rGraphic ) const
+{
+    ErrCode nRet = ERRCODE_NONE;
+
+    // rhbz#1079672 do not return maGraphic, it needs not to be the selected file
+
+    OUString aPath;
+    Sequence<OUString> aPathSeq = mxFileDlg->getFiles();
+
+    if (aPathSeq.getLength() == 1)
+    {
+        aPath = aPathSeq[0];
+    }
+
+    if (!aPath.isEmpty())
+        nRet = getGraphic(aPath, rGraphic);
+    else
+        nRet = ERRCODE_IO_GENERAL;
+
+    return nRet;
+}
+
+static bool lcl_isSystemFilePicker( const uno::Reference< XExecutableDialog >& _rxFP )
+{
+    try
+    {
+        uno::Reference< XServiceInfo > xSI( _rxFP, UNO_QUERY );
+        if ( !xSI.is() )
+            return true;
+        return xSI->supportsService( "com.sun.star.ui.dialogs.SystemFilePicker" );
+    }
+    catch( const Exception& )
+    {
+    }
+    return false;
+}
+
+namespace {
+
+bool lcl_isAsyncFilePicker( const uno::Reference< XExecutableDialog >& _rxFP )
+{
+    try
+    {
+        uno::Reference<XAsynchronousExecutableDialog> xSI(_rxFP, UNO_QUERY);
+        return xSI.is();
+    }
+    catch( const Exception& )
+    {
+    }
+    return false;
+}
+
+enum open_or_save_t {OPEN, SAVE, UNDEFINED};
+
+}
+
+static open_or_save_t lcl_OpenOrSave(sal_Int16 const nDialogType)
+{
+    switch (nDialogType)
+    {
+        case FILEOPEN_SIMPLE:
+        case FILEOPEN_LINK_PREVIEW_IMAGE_TEMPLATE:
+        case FILEOPEN_LINK_PREVIEW_IMAGE_ANCHOR:
+        case FILEOPEN_PLAY:
+        case FILEOPEN_LINK_PLAY:
+        case FILEOPEN_READONLY_VERSION:
+        case FILEOPEN_LINK_PREVIEW:
+        case FILEOPEN_PREVIEW:
+            return OPEN;
+        case FILESAVE_SIMPLE:
+        case FILESAVE_AUTOEXTENSION_PASSWORD:
+        case FILESAVE_AUTOEXTENSION_PASSWORD_FILTEROPTIONS:
+        case FILESAVE_AUTOEXTENSION_SELECTION:
+        case FILESAVE_AUTOEXTENSION_TEMPLATE:
+        case FILESAVE_AUTOEXTENSION:
+            return SAVE;
+        default:
+            assert(false); // invalid dialog type
+    }
+    return UNDEFINED;
+}
+
+// FileDialogHelper_Impl
+
+css::uno::Reference<css::awt::XWindow> FileDialogHelper_Impl::GetFrameInterface()
+{
+    if (mpFrameWeld)
+        return mpFrameWeld->GetXWindow();
+    return css::uno::Reference<css::awt::XWindow>();
+}
+
+FileDialogHelper_Impl::FileDialogHelper_Impl(
+    FileDialogHelper* _pAntiImpl,
+    sal_Int16 nDialogType,
+    FileDialogFlags nFlags,
+    sal_Int16 nDialog,
+    weld::Window* pFrameWeld,
+    const OUString& sStandardDir,
+    const css::uno::Sequence< OUString >& rDenyList
+    )
+    :maPreviewIdle("sfx2 FileDialogHelper_Impl maPreviewIdle")
+    ,m_nDialogType          ( nDialogType )
+    ,meContext              ( FileDialogHelper::UnknownContext )
+{
+    const char* pServiceName=nullptr;
+    switch (nDialog)
+    {
+        case SFX2_IMPL_DIALOG_SYSTEM:
+        case SFX2_IMPL_DIALOG_OOO:
+            pServiceName = "com.sun.star.ui.dialogs.OfficeFilePicker";
+            break;
+        case SFX2_IMPL_DIALOG_REMOTE:
+            pServiceName = "com.sun.star.ui.dialogs.RemoteFilePicker";
+            break;
+        default:
+            pServiceName = "com.sun.star.ui.dialogs.FilePicker";
+            break;
+    }
+
+    OUString aService = OUString::createFromAscii( pServiceName );
+
+    uno::Reference< XMultiServiceFactory > xFactory( ::comphelper::getProcessServiceFactory() );
+
+    // create the file open dialog
+    // the flags can be SFXWB_INSERT or SFXWB_MULTISELECTION
+
+    mpFrameWeld             = pFrameWeld;
+    mpAntiImpl              = _pAntiImpl;
+    mbHasAutoExt            = false;
+    mbHasPassword           = false;
+    m_bHaveFilterOptions    = false;
+    mbIsPwdEnabled          = true;
+    mbHasVersions           = false;
+    mbHasPreview            = false;
+    mbShowPreview           = false;
+    mbDeleteMatcher         = false;
+    mbInsert                = bool(nFlags & (FileDialogFlags::Insert|
+                                             FileDialogFlags::InsertCompare|
+                                             FileDialogFlags::InsertMerge));
+    mbExport                = bool(nFlags & FileDialogFlags::Export);
+    mbIsSaveDlg             = false;
+    mbPwdCheckBoxState      = false;
+    mbSelection             = false;
+    mbSelectionEnabled      = true;
+    mbHasSelectionBox       = false;
+    mbSelectionFltrEnabled  = false;
+
+    // default settings
+    m_nDontFlags = SFX_FILTER_NOTINSTALLED | SfxFilterFlags::INTERNAL | SfxFilterFlags::NOTINFILEDLG;
+    if (OPEN == lcl_OpenOrSave(m_nDialogType))
+        m_nMustFlags = SfxFilterFlags::IMPORT;
+    else
+        m_nMustFlags = SfxFilterFlags::EXPORT;
+
+
+    mpMatcher = nullptr;
+    mpGraphicFilter = nullptr;
+    mnPostUserEventId = nullptr;
+
+    // create the picker component
+    mxFileDlg.set(xFactory->createInstance( aService ), css::uno::UNO_QUERY);
+    mbSystemPicker = lcl_isSystemFilePicker( mxFileDlg );
+    mbAsyncPicker = lcl_isAsyncFilePicker(mxFileDlg);
+
+    uno::Reference< XInitialization > xInit( mxFileDlg, UNO_QUERY );
+
+    if ( ! mxFileDlg.is() )
+    {
+        return;
+    }
+
+
+    if ( xInit.is() )
+    {
+        sal_Int16 nTemplateDescription = TemplateDescription::FILEOPEN_SIMPLE;
+
+        switch ( m_nDialogType )
+        {
+            case FILEOPEN_SIMPLE:
+                nTemplateDescription = TemplateDescription::FILEOPEN_SIMPLE;
+                break;
+
+            case FILESAVE_SIMPLE:
+                nTemplateDescription = TemplateDescription::FILESAVE_SIMPLE;
+                mbIsSaveDlg = true;
+                break;
+
+            case FILESAVE_AUTOEXTENSION_PASSWORD:
+                nTemplateDescription = TemplateDescription::FILESAVE_AUTOEXTENSION_PASSWORD;
+                mbHasPassword = true;
+                mbHasAutoExt = true;
+                mbIsSaveDlg = true;
+                break;
+
+            case FILESAVE_AUTOEXTENSION_PASSWORD_FILTEROPTIONS:
+                nTemplateDescription = TemplateDescription::FILESAVE_AUTOEXTENSION_PASSWORD_FILTEROPTIONS;
+                mbHasPassword = true;
+
+                m_bHaveFilterOptions = true;
+                if( xFactory.is() )
+                {
+                    mxFilterCFG.set(
+                        xFactory->createInstance( "com.sun.star.document.FilterFactory" ),
+                        UNO_QUERY );
+                }
+
+                mbHasAutoExt = true;
+                mbIsSaveDlg = true;
+                break;
+
+            case FILESAVE_AUTOEXTENSION_SELECTION:
+                nTemplateDescription = TemplateDescription::FILESAVE_AUTOEXTENSION_SELECTION;
+                mbHasAutoExt = true;
+                mbIsSaveDlg = true;
+                mbHasSelectionBox = true;
+                if ( mbExport && !mxFilterCFG.is() && xFactory.is() )
+                {
+                    mxFilterCFG.set(
+                        xFactory->createInstance( "com.sun.star.document.FilterFactory" ),
+                        UNO_QUERY );
+                }
+                break;
+
+            case FILESAVE_AUTOEXTENSION_TEMPLATE:
+                nTemplateDescription = TemplateDescription::FILESAVE_AUTOEXTENSION_TEMPLATE;
+                mbHasAutoExt = true;
+                mbIsSaveDlg = true;
+                break;
+
+            case FILEOPEN_LINK_PREVIEW_IMAGE_TEMPLATE:
+                nTemplateDescription = TemplateDescription::FILEOPEN_LINK_PREVIEW_IMAGE_TEMPLATE;
+                mbHasPreview = true;
+                break;
+
+            case FILEOPEN_LINK_PREVIEW_IMAGE_ANCHOR:
+                nTemplateDescription = TemplateDescription::FILEOPEN_LINK_PREVIEW_IMAGE_ANCHOR;
+                mbHasPreview = true;
+                break;
+
+            case FILEOPEN_PLAY:
+                nTemplateDescription = TemplateDescription::FILEOPEN_PLAY;
+                break;
+
+            case FILEOPEN_LINK_PLAY:
+                nTemplateDescription = TemplateDescription::FILEOPEN_LINK_PLAY;
+                break;
+
+            case FILEOPEN_READONLY_VERSION:
+                nTemplateDescription = TemplateDescription::FILEOPEN_READONLY_VERSION;
+                mbHasVersions = true;
+                break;
+
+            case FILEOPEN_LINK_PREVIEW:
+                nTemplateDescription = TemplateDescription::FILEOPEN_LINK_PREVIEW;
+                mbHasPreview = true;
+                break;
+
+            case FILESAVE_AUTOEXTENSION:
+                nTemplateDescription = TemplateDescription::FILESAVE_AUTOEXTENSION;
+                mbHasAutoExt = true;
+                mbIsSaveDlg = true;
+                break;
+
+            case FILEOPEN_PREVIEW:
+                nTemplateDescription = TemplateDescription::FILEOPEN_PREVIEW;
+                mbHasPreview = true;
+                break;
+
+            default:
+                SAL_WARN( "sfx.dialog", "FileDialogHelper::ctor with unknown type" );
+                break;
+        }
+
+        if (mbHasPreview)
+        {
+            maPreviewIdle.SetPriority( TaskPriority::LOWEST );
+            maPreviewIdle.SetInvokeHandler( LINK( this, FileDialogHelper_Impl, TimeOutHdl_Impl ) );
+        }
+
+        auto xWindow = GetFrameInterface();
+
+        Sequence < Any > aInitArguments(!xWindow.is() ? 3 : 4);
+        auto pInitArguments = aInitArguments.getArray();
+
+        // This is a hack. We currently know that the internal file picker implementation
+        // supports the extended arguments as specified below.
+        // TODO:
+        // a) adjust the service description so that it includes the TemplateDescription and ParentWindow args
+        // b) adjust the implementation of the system file picker to that it recognizes it
+        if ( mbSystemPicker )
+        {
+            pInitArguments[0] <<= nTemplateDescription;
+            if (xWindow.is())
+                pInitArguments[1] <<= xWindow;
+        }
+        else
+        {
+            pInitArguments[0] <<= NamedValue(
+                                    "TemplateDescription",
+                                    Any( nTemplateDescription )
+                                );
+
+            pInitArguments[1] <<= NamedValue(
+                                    "StandardDir",
+                                    Any( sStandardDir )
+                                );
+
+            pInitArguments[2] <<= NamedValue(
+                                    "DenyList",
+                                    Any( rDenyList )
+                                );
+
+
+            if (xWindow.is())
+                pInitArguments[3] <<= NamedValue("ParentWindow", Any(xWindow));
+        }
+
+        try
+        {
+            xInit->initialize( aInitArguments );
+        }
+        catch( const Exception& )
+        {
+            OSL_FAIL( "FileDialogHelper_Impl::FileDialogHelper_Impl: could not initialize the picker!" );
+        }
+    }
+
+
+    // set multiselection mode
+    if ( nFlags & FileDialogFlags::MultiSelection )
+        mxFileDlg->setMultiSelectionMode( true );
+
+    if ( nFlags & FileDialogFlags::Graphic ) // generate graphic filter only on demand
+    {
+        addGraphicFilter();
+    }
+
+    // Export dialog
+    if ( mbExport )
+    {
+        mxFileDlg->setTitle( SfxResId( STR_SFX_EXPLORERFILE_EXPORT ) );
+        try {
+                css::uno::Reference < XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY_THROW );
+                xCtrlAccess->enableControl( ExtendedFilePickerElementIds::LISTBOX_FILTER_SELECTOR, true );
+        }
+        catch( const Exception & ) { }
+    }
+
+    // Save a copy dialog
+    if ( nFlags & FileDialogFlags::SaveACopy )
+    {
+        mxFileDlg->setTitle( SfxResId( STR_PB_SAVEACOPY ) );
+    }
+
+    // the "insert file" dialog needs another title
+    if ( mbInsert )
+    {
+        if ( nFlags & FileDialogFlags::InsertCompare )
+        {
+            mxFileDlg->setTitle( SfxResId( STR_PB_COMPAREDOC ) );
+        }
+        else if ( nFlags & FileDialogFlags::InsertMerge )
+        {
+            mxFileDlg->setTitle( SfxResId( STR_PB_MERGEDOC ) );
+        }
+        else
+        {
+            mxFileDlg->setTitle( SfxResId( STR_SFX_EXPLORERFILE_INSERT ) );
+        }
+        uno::Reference < XFilePickerControlAccess > xExtDlg( mxFileDlg, UNO_QUERY );
+        if ( xExtDlg.is() )
+        {
+            try
+            {
+                xExtDlg->setLabel( CommonFilePickerElementIds::PUSHBUTTON_OK,
+                                   SfxResId( STR_SFX_EXPLORERFILE_BUTTONINSERT ) );
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+    }
+
+    // add the event listener
+    mxFileDlg->addFilePickerListener( this );
+}
+
+css::uno::Reference<css::ui::dialogs::XFolderPicker2> createFolderPicker(const css::uno::Reference<css::uno::XComponentContext>& rContext, weld::Window* pPreferredParent)
+{
+    auto xRet = css::ui::dialogs::FolderPicker::create(rContext);
+
+    // see FileDialogHelper_Impl::FileDialogHelper_Impl (above) for args to FilePicker
+    // reuse the same arguments for FolderPicker
+    if (pPreferredParent && lcl_isSystemFilePicker(xRet))
+    {
+        uno::Reference< XInitialization > xInit(xRet, UNO_QUERY);
+        if (xInit.is())
+        {
+            Sequence<Any> aInitArguments{ Any(sal_Int32(0)), Any(pPreferredParent->GetXWindow()) };
+
+            try
+            {
+                xInit->initialize(aInitArguments);
+            }
+            catch (const Exception&)
+            {
+                OSL_FAIL( "createFolderPicker: could not initialize the picker!" );
+            }
+        }
+    }
+
+    return xRet;
+}
+
+FileDialogHelper_Impl::~FileDialogHelper_Impl()
+{
+    // Remove user event if we haven't received it yet
+    if ( mnPostUserEventId )
+        Application::RemoveUserEvent( mnPostUserEventId );
+    mnPostUserEventId = nullptr;
+
+    mpGraphicFilter.reset();
+
+    if ( mbDeleteMatcher )
+        delete mpMatcher;
+
+    maPreviewIdle.ClearInvokeHandler();
+
+    ::comphelper::disposeComponent( mxFileDlg );
+}
+
+void FileDialogHelper_Impl::setControlHelpIds( const sal_Int16* _pControlId, const char** _pHelpId )
+{
+    DBG_ASSERT( _pControlId && _pHelpId, "FileDialogHelper_Impl::setControlHelpIds: invalid array pointers!" );
+    if ( !_pControlId || !_pHelpId )
+        return;
+
+    // forward these ids to the file picker
+    try
+    {
+        const OUString sHelpIdPrefix( INET_HID_SCHEME  );
+        // the ids for the single controls
+        uno::Reference< XFilePickerControlAccess > xControlAccess( mxFileDlg, UNO_QUERY );
+        if ( xControlAccess.is() )
+        {
+            while ( *_pControlId )
+            {
+                DBG_ASSERT( INetURLObject( OStringToOUString( *_pHelpId, RTL_TEXTENCODING_UTF8 ) ).GetProtocol() == INetProtocol::NotValid, "Wrong HelpId!" );
+                OUString sId = sHelpIdPrefix +
+                    OUString( *_pHelpId, strlen( *_pHelpId ), RTL_TEXTENCODING_UTF8 );
+                xControlAccess->setValue( *_pControlId, ControlActions::SET_HELP_URL, Any( sId ) );
+
+                ++_pControlId; ++_pHelpId;
+            }
+        }
+    }
+    catch( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::setControlHelpIds: caught an exception while setting the help ids!" );
+    }
+}
+
+IMPL_LINK_NOARG( FileDialogHelper_Impl, InitControls, void*, void )
+{
+    mnPostUserEventId = nullptr;
+    enablePasswordBox( true );
+    updateFilterOptionsBox( );
+    updateSelectionBox( );
+}
+
+void FileDialogHelper_Impl::preExecute()
+{
+    loadConfig( );
+    setDefaultValues( );
+    updatePreviewState( false );
+
+    implInitializeFileName( );
+
+#if !(defined(MACOSX) && defined(MACOSX)) && !defined(_WIN32)
+    // allow for dialog implementations which need to be executed before they return valid values for
+    // current filter and such
+
+    // On Vista (at least SP1) it's the same as on MacOSX, the modal dialog won't let message pass
+    // through before it returns from execution
+    mnPostUserEventId = Application::PostUserEvent( LINK( this, FileDialogHelper_Impl, InitControls ) );
+#else
+    // However, the macOS implementation's pickers run modally in execute and so the event doesn't
+    // get through in time... so we call the methods directly
+    enablePasswordBox( true );
+    updateFilterOptionsBox( );
+    updateSelectionBox( );
+#endif
+}
+
+void FileDialogHelper_Impl::postExecute( sal_Int16 _nResult )
+{
+    if ( ExecutableDialogResults::CANCEL != _nResult )
+        saveConfig();
+}
+
+void FileDialogHelper_Impl::implInitializeFileName( )
+{
+    if ( maFileName.isEmpty() )
+        return;
+
+    INetURLObject aObj( maPath );
+    aObj.Append( maFileName );
+
+    // in case we're operating as save dialog, and "auto extension" is checked,
+    // cut the extension from the name
+    if ( !(mbIsSaveDlg && mbHasAutoExt) )
+        return;
+
+    try
+    {
+        bool bAutoExtChecked = false;
+
+        uno::Reference < XFilePickerControlAccess > xControlAccess( mxFileDlg, UNO_QUERY );
+        if  (   xControlAccess.is()
+            &&  (   xControlAccess->getValue( ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION, 0 )
+                >>= bAutoExtChecked
+                )
+            )
+        {
+            if ( bAutoExtChecked )
+            {   // cut the extension
+                aObj.removeExtension( );
+                mxFileDlg->setDefaultName(
+                    aObj.GetLastName(INetURLObject::DecodeMechanism::WithCharset));
+            }
+        }
+    }
+    catch( const Exception& )
+    {
+        OSL_FAIL( "FileDialogHelper_Impl::implInitializeFileName: could not ask for the auto-extension current-value!" );
+    }
+}
+
+sal_Int16 FileDialogHelper_Impl::implDoExecute()
+{
+    preExecute();
+
+    sal_Int16 nRet = ExecutableDialogResults::CANCEL;
+
+//On MacOSX the native file picker has to run in the primordial thread because of drawing issues
+//On Linux the native gtk file picker, when backed by gnome-vfs2, needs to be run in the same
+//primordial thread as the ucb gnome-vfs2 provider was initialized in.
+
+    {
+        try
+        {
+#ifdef _WIN32
+            if ( mbSystemPicker )
+            {
+                SolarMutexReleaser aSolarMutex;
+                nRet = mxFileDlg->execute();
+            }
+            else
+#endif
+                nRet = mxFileDlg->execute();
+        }
+        catch( const Exception& )
+        {
+            TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::implDoExecute" );
+        }
+    }
+
+    postExecute( nRet );
+
+    return nRet;
+}
+
+void FileDialogHelper_Impl::implStartExecute()
+{
+    DBG_ASSERT( mxFileDlg.is(), "invalid file dialog" );
+
+    assert(mbAsyncPicker);
+    preExecute();
+
+    try
+    {
+        uno::Reference< XAsynchronousExecutableDialog > xAsyncDlg( mxFileDlg, UNO_QUERY );
+        if ( xAsyncDlg.is() )
+            xAsyncDlg->startExecuteModal( this );
+    }
+    catch( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::implDoExecute" );
+    }
+}
+
+void FileDialogHelper_Impl::implGetAndCacheFiles(const uno::Reference< XInterface >& xPicker, std::vector<OUString>& rpURLList)
+{
+    rpURLList.clear();
+
+    // a) the new way (optional!)
+    uno::Reference< XFilePicker3 > xPickNew(xPicker, UNO_QUERY);
+    if (xPickNew.is())
+    {
+        Sequence< OUString > lFiles    = xPickNew->getSelectedFiles();
+        comphelper::sequenceToContainer(rpURLList, lFiles);
+    }
+
+    // b) the olde way ... non optional.
+    else
+    {
+        uno::Reference< XFilePicker3 > xPickOld(xPicker, UNO_QUERY_THROW);
+        Sequence< OUString > lFiles = xPickOld->getFiles();
+        ::sal_Int32          nFiles = lFiles.getLength();
+        if ( nFiles == 1 )
+        {
+            rpURLList.push_back(lFiles[0]);
+        }
+        else if ( nFiles > 1 )
+        {
+            INetURLObject aPath( lFiles[0] );
+            aPath.setFinalSlash();
+
+            for (::sal_Int32 i = 1; i < nFiles; i++)
+            {
+                if (i == 1)
+                    aPath.Append( lFiles[i] );
+                else
+                    aPath.setName( lFiles[i] );
+
+                rpURLList.push_back(aPath.GetMainURL(INetURLObject::DecodeMechanism::NONE));
+            }
+        }
+    }
+
+    mlLastURLs = rpURLList;
+}
+
+ErrCode FileDialogHelper_Impl::execute( std::vector<OUString>& rpURLList,
+                                        std::optional<SfxAllItemSet>& rpSet,
+                                        OUString&       rFilter )
+{
+    // rFilter is a pure output parameter, it shouldn't be used for anything else
+    // changing this would surely break code
+    // rpSet is in/out parameter, usually just a media-descriptor that can be changed by dialog
+
+    uno::Reference< XFilePickerControlAccess > xCtrlAccess( mxFileDlg, UNO_QUERY );
+
+    // retrieves parameters from rpSet
+    // for now only Password is used
+    if ( rpSet )
+    {
+        // check password checkbox if the document had password before
+        if( mbHasPassword )
+        {
+            const SfxBoolItem* pPassItem = SfxItemSet::GetItem<SfxBoolItem>(&*rpSet, SID_PASSWORDINTERACTION, false);
+            mbPwdCheckBoxState = ( pPassItem != nullptr && pPassItem->GetValue() );
+
+            // in case the document has password to modify, the dialog should be shown
+            const SfxUnoAnyItem* pPassToModifyItem = SfxItemSet::GetItem<SfxUnoAnyItem>(&*rpSet, SID_MODIFYPASSWORDINFO, false);
+            mbPwdCheckBoxState |= ( pPassToModifyItem && pPassToModifyItem->GetValue().hasValue() );
+        }
+
+        const SfxBoolItem* pSelectItem = SfxItemSet::GetItem<SfxBoolItem>(&*rpSet, SID_SELECTION, false);
+        if ( pSelectItem )
+            mbSelection = pSelectItem->GetValue();
+        else
+            mbSelectionEnabled = false;
+
+        // the password will be set in case user decide so
+        rpSet->ClearItem( SID_PASSWORDINTERACTION );
+        if (rpSet->HasItem( SID_PASSWORD ))
+        {
+            // As the SID_ENCRYPTIONDATA and SID_PASSWORD are using for setting password together, we need to clear them both.
+            // Note: Do not remove SID_ENCRYPTIONDATA without SID_PASSWORD
+            rpSet->ClearItem( SID_PASSWORD );
+            rpSet->ClearItem( SID_ENCRYPTIONDATA );
+        }
+        rpSet->ClearItem( SID_RECOMMENDREADONLY );
+        rpSet->ClearItem( SID_MODIFYPASSWORDINFO );
+
+    }
+
+    if ( mbHasPassword && !mbPwdCheckBoxState )
+    {
+        mbPwdCheckBoxState = (
+            SvtSecurityOptions::IsOptionSet( SvtSecurityOptions::EOption::DocWarnRecommendPassword ) );
+    }
+
+    rpURLList.clear();
+
+    if ( ! mxFileDlg.is() )
+        return ERRCODE_ABORT;
+
+    if ( ExecutableDialogResults::CANCEL != implDoExecute() )
+    {
+        // create an itemset if there is no
+        if( !rpSet )
+            rpSet.emplace( SfxGetpApp()->GetPool() );
+
+        // the item should remain only if it was set by the dialog
+        rpSet->ClearItem( SID_SELECTION );
+
+        if( mbExport && mbHasSelectionBox )
+        {
+            try
+            {
+                Any aValue = xCtrlAccess->getValue( ExtendedFilePickerElementIds::CHECKBOX_SELECTION, 0 );
+                bool bSelection = false;
+                if ( aValue >>= bSelection )
+                    rpSet->Put( SfxBoolItem( SID_SELECTION, bSelection ) );
+            }
+            catch( const IllegalArgumentException& )
+            {
+                TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::execute: caught an IllegalArgumentException!" );
+            }
+        }
+
+
+        // set the read-only flag. When inserting a file, this flag is always set
+        if ( mbInsert )
+            rpSet->Put( SfxBoolItem( SID_DOC_READONLY, true ) );
+        else
+        {
+            if ( ( FILEOPEN_READONLY_VERSION == m_nDialogType ) && xCtrlAccess.is() )
+            {
+                try
+                {
+                    Any aValue = xCtrlAccess->getValue( ExtendedFilePickerElementIds::CHECKBOX_READONLY, 0 );
+                    bool bReadOnly = false;
+                    if ( ( aValue >>= bReadOnly ) && bReadOnly )
+                        rpSet->Put( SfxBoolItem( SID_DOC_READONLY, bReadOnly ) );
+                }
+                catch( const IllegalArgumentException& )
+                {
+                    TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::execute: caught an IllegalArgumentException!" );
+                }
+            }
+        }
+        if ( mbHasVersions && xCtrlAccess.is() )
+        {
+            try
+            {
+                Any aValue = xCtrlAccess->getValue( ExtendedFilePickerElementIds::LISTBOX_VERSION,
+                                                    ControlActions::GET_SELECTED_ITEM_INDEX );
+                sal_Int32 nVersion = 0;
+                if ( ( aValue >>= nVersion ) && nVersion > 0 )
+                    // open a special version; 0 == current version
+                    rpSet->Put( SfxInt16Item( SID_VERSION, static_cast<short>(nVersion) ) );
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+
+        // set the filter
+        getRealFilter( rFilter );
+
+        std::shared_ptr<const SfxFilter> pCurrentFilter = getCurentSfxFilter();
+
+        // fill the rpURLList
+        implGetAndCacheFiles( mxFileDlg, rpURLList );
+        if ( rpURLList.empty() )
+            return ERRCODE_ABORT;
+
+        // check, whether or not we have to display a password box
+        if ( pCurrentFilter && mbHasPassword && mbIsPwdEnabled && xCtrlAccess.is() )
+        {
+            try
+            {
+                Any aValue = xCtrlAccess->getValue( ExtendedFilePickerElementIds::CHECKBOX_PASSWORD, 0 );
+                bool bPassWord = false;
+                if ( ( aValue >>= bPassWord ) && bPassWord )
+                {
+                    // ask for a password
+                    OUString aDocName(rpURLList[0]);
+                    ErrCode errCode = RequestPassword(pCurrentFilter, aDocName, &*rpSet, GetFrameInterface());
+                    if (errCode != ERRCODE_NONE)
+                        return errCode;
+                }
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+        // check, whether or not we have to display a key selection box
+        if ( pCurrentFilter && mbHasPassword && xCtrlAccess.is() )
+        {
+            try
+            {
+                Any aValue = xCtrlAccess->getValue( ExtendedFilePickerElementIds::CHECKBOX_GPGENCRYPTION, 0 );
+                bool bGpg = false;
+                if ( ( aValue >>= bGpg ) && bGpg )
+                {
+                    uno::Sequence< beans::NamedValue > aEncryptionData;
+                    while(true)
+                    {
+                        try
+                        {
+                            // ask for keys
+                            aEncryptionData = ::comphelper::OStorageHelper::CreateGpgPackageEncryptionData();
+                            break; // user cancelled or we've some keys now
+                        }
+                        catch( const IllegalArgumentException& )
+                        {
+                            std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(mpFrameWeld,
+                                                                                     VclMessageType::Warning, VclButtonsType::Ok,
+                                                                                     SfxResId(RID_SVXSTR_GPG_ENCRYPT_FAILURE)));
+                            xBox->run();
+                        }
+                    }
+
+                    if ( aEncryptionData.hasElements() )
+                        rpSet->Put( SfxUnoAnyItem( SID_ENCRYPTIONDATA, uno::Any( aEncryptionData) ) );
+                }
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+
+        SaveLastUsedFilter();
+        return ERRCODE_NONE;
+    }
+    else
+        return ERRCODE_ABORT;
+}
+
+ErrCode FileDialogHelper_Impl::execute()
+{
+    if ( ! mxFileDlg.is() )
+        return ERRCODE_ABORT;
+
+    sal_Int16 nRet = implDoExecute();
+
+    maPath = mxFileDlg->getDisplayDirectory();
+
+    if ( ExecutableDialogResults::CANCEL == nRet )
+        return ERRCODE_ABORT;
+    else
+    {
+        return ERRCODE_NONE;
+    }
+}
+
+OUString FileDialogHelper_Impl::getPath() const
+{
+    OUString aPath;
+
+    if ( mxFileDlg.is() )
+        aPath = mxFileDlg->getDisplayDirectory();
+
+    if ( aPath.isEmpty() )
+        aPath = maPath;
+
+    return aPath;
+}
+
+OUString FileDialogHelper_Impl::getFilter() const
+{
+    OUString aFilter = getCurrentFilterUIName();
+
+    if( aFilter.isEmpty() )
+        aFilter = maCurFilter;
+
+    return aFilter;
+}
+
+void FileDialogHelper_Impl::getRealFilter( OUString& _rFilter ) const
+{
+    _rFilter = getCurrentFilterUIName();
+
+    if ( _rFilter.isEmpty() )
+        _rFilter = maCurFilter;
+
+    if ( !_rFilter.isEmpty() && mpMatcher )
+    {
+        std::shared_ptr<const SfxFilter> pFilter =
+            mpMatcher->GetFilter4UIName( _rFilter, m_nMustFlags, m_nDontFlags );
+        _rFilter = pFilter ? pFilter->GetFilterName() : OUString();
+    }
+}
+
+void FileDialogHelper_Impl::verifyPath()
+{
+#ifdef UNX
+    // lp#905355, fdo#43895
+    // Check that the file has read only permission and is in /tmp -- this is
+    //  the case if we have opened the file from the web with firefox only.
+    if (maFileName.isEmpty()) {
+        return;
+    }
+    INetURLObject url(maPath);
+    if (url.GetProtocol() != INetProtocol::File
+        || url.getName(0, true, INetURLObject::DecodeMechanism::WithCharset) != "tmp")
+    {
+        return;
+    }
+    if (maFileName.indexOf('/') != -1) {
+        SAL_WARN("sfx.dialog", maFileName << " contains /");
+        return;
+    }
+    url.insertName(
+        maFileName, false, INetURLObject::LAST_SEGMENT,
+        INetURLObject::EncodeMechanism::All);
+    OUString sysPathU;
+    osl::FileBase::RC e = osl::FileBase::getSystemPathFromFileURL(
+        url.GetMainURL(INetURLObject::DecodeMechanism::NONE), sysPathU);
+    if (e != osl::FileBase::E_None) {
+        SAL_WARN(
+            "sfx.dialog",
+            "getSystemPathFromFileURL("
+                << url.GetMainURL(INetURLObject::DecodeMechanism::NONE) << ") failed with "
+                << +e);
+        return;
+    }
+    OString sysPathC;
+    if (!sysPathU.convertToString(
+            &sysPathC, osl_getThreadTextEncoding(),
+            (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR
+             | RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
+    {
+        SAL_WARN(
+            "sfx.dialog",
+            "convertToString(" << sysPathU << ") failed for encoding "
+                << +osl_getThreadTextEncoding());
+        return;
+    }
+    struct stat aFileStat;
+    if (stat(sysPathC.getStr(), &aFileStat) == -1) {
+        SAL_WARN( "sfx.dialog", "stat(" << sysPathC << ") failed with errno " << errno);
+        return;
+    }
+    if ((aFileStat.st_mode & (S_IRWXO | S_IRWXG | S_IRWXU)) == S_IRUSR) {
+        maPath = SvtPathOptions().GetWorkPath();
+        mxFileDlg->setDisplayDirectory( maPath );
+    }
+#else
+    (void) this;
+#endif
+}
+
+void FileDialogHelper_Impl::displayFolder( const OUString& _rPath )
+{
+    if ( _rPath.isEmpty() )
+        // nothing to do
+        return;
+
+    maPath = _rPath;
+    if ( mxFileDlg.is() )
+    {
+        try
+        {
+            mxFileDlg->setDisplayDirectory( maPath );
+            verifyPath();
+        }
+        catch( const IllegalArgumentException& )
+        {
+            TOOLS_WARN_EXCEPTION( "sfx", "FileDialogHelper_Impl::displayFolder" );
+        }
+    }
+}
+
+void FileDialogHelper_Impl::setFileName( const OUString& _rFile )
+{
+    maFileName = _rFile;
+    if ( mxFileDlg.is() )
+    {
+        try
+        {
+            mxFileDlg->setDefaultName( maFileName );
+            verifyPath();
+        }
+        catch( const IllegalArgumentException& )
+        {
+            TOOLS_WARN_EXCEPTION( "sfx", "FileDialogHelper_Impl::setFileName" );
+        }
+    }
+}
+
+void FileDialogHelper_Impl::setFilter( const OUString& rFilter )
+{
+    DBG_ASSERT( rFilter.indexOf(':') == -1, "Old filter name used!");
+
+    maCurFilter = rFilter;
+
+    if ( !rFilter.isEmpty() && mpMatcher )
+    {
+        std::shared_ptr<const SfxFilter> pFilter = mpMatcher->GetFilter4FilterName(
+                                        rFilter, m_nMustFlags, m_nDontFlags );
+        if ( pFilter )
+            maCurFilter = pFilter->GetUIName();
+    }
+
+    if ( !maCurFilter.isEmpty() && mxFileDlg.is() )
+    {
+        try
+        {
+            mxFileDlg->setCurrentFilter( maCurFilter );
+        }
+        catch( const IllegalArgumentException& ){}
+    }
+}
+
+void FileDialogHelper_Impl::createMatcher( const OUString& rFactory )
+{
+    if (mbDeleteMatcher)
+        delete mpMatcher;
+
+    mpMatcher = new SfxFilterMatcher( SfxObjectShell::GetServiceNameFromFactory(rFactory) );
+    mbDeleteMatcher = true;
+}
+
+void FileDialogHelper_Impl::addFilters( const OUString& rFactory,
+                                        SfxFilterFlags nMust,
+                                        SfxFilterFlags nDont )
+{
+    if ( ! mxFileDlg.is() )
+        return;
+
+    if (mbDeleteMatcher)
+        delete mpMatcher;
+
+    // we still need a matcher to convert UI names to filter names
+    if ( rFactory.isEmpty() )
+    {
+        SfxApplication *pSfxApp = SfxGetpApp();
+        mpMatcher = &pSfxApp->GetFilterMatcher();
+        mbDeleteMatcher = false;
+    }
+    else
+    {
+        mpMatcher = new SfxFilterMatcher( rFactory );
+        mbDeleteMatcher = true;
+    }
+
+    uno::Reference< XMultiServiceFactory > xSMGR = ::comphelper::getProcessServiceFactory();
+    uno::Reference< XContainerQuery > xFilterCont(
+        xSMGR->createInstance("com.sun.star.document.FilterFactory"),
+        UNO_QUERY);
+    if ( ! xFilterCont.is() )
+        return;
+
+    m_nMustFlags |= nMust;
+    m_nDontFlags |= nDont;
+
+    // create the list of filters
+    OUString sQuery =
+        "getSortedFilterList()"
+        ":module=" +
+        rFactory + // use long name here !
+        ":iflags=" +
+        OUString::number(static_cast<sal_Int32>(m_nMustFlags)) +
+        ":eflags=" +
+        OUString::number(static_cast<sal_Int32>(m_nDontFlags));
+
+    uno::Reference< XEnumeration > xResult;
+    try
+    {
+        xResult = xFilterCont->createSubSetEnumerationByQuery(sQuery);
+    }
+    catch( const uno::Exception& )
+    {
+        SAL_WARN( "sfx.dialog", "Could not get filters from the configuration!" );
+    }
+
+    TSortedFilterList         aIter   (xResult);
+
+    // append the filters
+    OUString sFirstFilter;
+    if (OPEN == lcl_OpenOrSave(m_nDialogType))
+        ::sfx2::appendFiltersForOpen( aIter, mxFileDlg, sFirstFilter, *this );
+    else if ( mbExport )
+        ::sfx2::appendExportFilters( aIter, mxFileDlg, sFirstFilter, *this );
+    else
+        ::sfx2::appendFiltersForSave( aIter, mxFileDlg, sFirstFilter, *this, rFactory );
+
+    // set our initial selected filter (if we do not already have one)
+    if ( maSelectFilter.isEmpty() )
+        maSelectFilter = sFirstFilter;
+}
+
+void FileDialogHelper_Impl::addFilter( const OUString& rFilterName,
+                                       const OUString& rExtension )
+{
+    if ( ! mxFileDlg.is() )
+        return;
+
+    try
+    {
+        mxFileDlg->appendFilter( rFilterName, rExtension );
+
+        if ( maSelectFilter.isEmpty() )
+            maSelectFilter = rFilterName;
+    }
+    catch( const IllegalArgumentException& )
+    {
+        SAL_WARN( "sfx.dialog", "Could not append Filter" << rFilterName );
+    }
+}
+
+void FileDialogHelper_Impl::addGraphicFilter()
+{
+    if ( ! mxFileDlg.is() )
+        return;
+
+    // create the list of filters
+    mpGraphicFilter.reset( new GraphicFilter );
+    sal_uInt16 i, j, nCount = mpGraphicFilter->GetImportFormatCount();
+
+    // compute the extension string for all known import filters
+    OUString aExtensions;
+
+    for ( i = 0; i < nCount; i++ )
+    {
+        j = 0;
+        while( true )
+        {
+            OUString sWildcard = mpGraphicFilter->GetImportWildcard( i, j++ );
+            if ( sWildcard.isEmpty() )
+                break;
+            if ( aExtensions.indexOf( sWildcard ) == -1 )
+            {
+                if ( !aExtensions.isEmpty() )
+                    aExtensions += ";";
+                aExtensions += sWildcard;
+            }
+        }
+    }
+
+#if defined(_WIN32)
+    if ( aExtensions.getLength() > 240 )
+        aExtensions = FILEDIALOG_FILTER_ALL;
+#endif
+    bool bIsInOpenMode = isInOpenMode();
+
+    try
+    {
+        // if the extension is not "All files", insert "All images"
+        if (aExtensions != FILEDIALOG_FILTER_ALL)
+        {
+            OUString aAllFilterName = SfxResId(STR_SFX_IMPORT_ALL_IMAGES);
+            aAllFilterName = ::sfx2::addExtension( aAllFilterName, aExtensions, bIsInOpenMode, *this );
+            mxFileDlg->appendFilter( aAllFilterName, aExtensions );
+            maSelectFilter = aAllFilterName; // and make it the default
+        }
+
+        // rhbz#1715109 always include All files *.* or *
+        OUString aAllFilesName = SfxResId( STR_SFX_FILTERNAME_ALL );
+        aAllFilesName = ::sfx2::addExtension( aAllFilesName, FILEDIALOG_FILTER_ALL, bIsInOpenMode, *this );
+        mxFileDlg->appendFilter( aAllFilesName, FILEDIALOG_FILTER_ALL );
+
+        // if the extension is "All files", make that the default
+        if (aExtensions == FILEDIALOG_FILTER_ALL)
+            maSelectFilter = aAllFilesName;
+    }
+    catch( const IllegalArgumentException& )
+    {
+        SAL_WARN( "sfx.dialog", "Could not append Filter" );
+    }
+
+    // Now add the filter
+    for ( i = 0; i < nCount; i++ )
+    {
+        OUString aName = mpGraphicFilter->GetImportFormatName( i );
+        OUString aExt;
+        j = 0;
+        while( true )
+        {
+            OUString sWildcard = mpGraphicFilter->GetImportWildcard( i, j++ );
+            if ( sWildcard.isEmpty() )
+                break;
+            if ( aExt.indexOf( sWildcard ) == -1 )
+            {
+                if ( !aExt.isEmpty() )
+                    aExt += ";";
+                aExt += sWildcard;
+            }
+        }
+        aName = ::sfx2::addExtension( aName, aExt, bIsInOpenMode, *this );
+        try
+        {
+            mxFileDlg->appendFilter( aName, aExt );
+        }
+        catch( const IllegalArgumentException& )
+        {
+            SAL_WARN( "sfx.dialog", "Could not append Filter" );
+        }
+    }
+}
+
+constexpr OUStringLiteral GRF_CONFIG_STR = u"   ";
+constexpr OUStringLiteral STD_CONFIG_STR = u"1 ";
+
+static void SetToken( OUString& rOrigStr, sal_Int32 nToken, sal_Unicode cTok, std::u16string_view rStr)
+{
+    const sal_Unicode*  pStr        = rOrigStr.getStr();
+    sal_Int32     nLen              = rOrigStr.getLength();
+    sal_Int32     nTok              = 0;
+    sal_Int32     nFirstChar        = 0;
+    sal_Int32     i                 = nFirstChar;
+
+    // Determine token position and length
+    pStr += i;
+    while ( i < nLen )
+    {
+        // Increase token count if match
+        if ( *pStr == cTok )
+        {
+            ++nTok;
+
+            if ( nTok == nToken )
+                nFirstChar = i+1;
+            else
+            {
+                if ( nTok > nToken )
+                    break;
+            }
+        }
+
+        ++pStr;
+        ++i;
+    }
+
+    if ( nTok >= nToken )
+        rOrigStr = rOrigStr.replaceAt( nFirstChar, i-nFirstChar, rStr );
+}
+
+namespace
+{
+void SaveLastDirectory(OUString const& sContext, OUString const& sDirectory)
+{
+    if (sContext.isEmpty())
+        return;
+
+    std::shared_ptr<comphelper::ConfigurationChanges> batch(
+        comphelper::ConfigurationChanges::create());
+    Reference<container::XNameContainer> set(
+        officecfg::Office::Common::Misc::FilePickerLastDirectory::get(batch));
+
+    bool found;
+    Any v;
+    try
+    {
+        v = set->getByName(sContext);
+        found = true;
+    }
+    catch (container::NoSuchElementException&)
+    {
+        found = false;
+    }
+    if (found)
+    {
+        Reference<XPropertySet> el(v.get<Reference<XPropertySet>>(), UNO_SET_THROW);
+        el->setPropertyValue("LastPath", Any(sDirectory));
+    }
+    else
+    {
+        Reference<XPropertySet> el(
+            (Reference<lang::XSingleServiceFactory>(set, UNO_QUERY_THROW)->createInstance()),
+            UNO_QUERY_THROW);
+        el->setPropertyValue("LastPath", Any(sDirectory));
+        Any v2(el);
+        set->insertByName(sContext, v2);
+    }
+    batch->commit();
+}
+}
+
+void FileDialogHelper_Impl::saveConfig()
+{
+    uno::Reference < XFilePickerControlAccess > xDlg( mxFileDlg, UNO_QUERY );
+    Any aValue;
+
+    if ( ! xDlg.is() )
+        return;
+
+    if ( mbHasPreview )
+    {
+        SvtViewOptions aDlgOpt( EViewType::Dialog, IMPGRF_CONFIGNAME );
+
+        try
+        {
+            aValue = xDlg->getValue( ExtendedFilePickerElementIds::CHECKBOX_PREVIEW, 0 );
+            bool bValue = false;
+            aValue >>= bValue;
+            OUString aUserData(GRF_CONFIG_STR);
+            SetToken( aUserData, 1, ' ', OUString::number( static_cast<sal_Int32>(bValue) ) );
+
+            INetURLObject aObj( getPath() );
+
+            if ( aObj.GetProtocol() == INetProtocol::File )
+                SetToken( aUserData, 2, ' ', aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+
+            OUString aFilter = getFilter();
+            aFilter = EncodeSpaces_Impl( aFilter );
+            SetToken( aUserData, 3, ' ', aFilter );
+
+            aDlgOpt.SetUserItem( USERITEM_NAME, Any( aUserData ) );
+        }
+        catch( const IllegalArgumentException& ){}
+    }
+    else
+    {
+        bool bWriteConfig = false;
+        SvtViewOptions aDlgOpt( EViewType::Dialog, IODLG_CONFIGNAME );
+        OUString aUserData(STD_CONFIG_STR);
+
+        if ( aDlgOpt.Exists() )
+        {
+            Any aUserItem = aDlgOpt.GetUserItem( USERITEM_NAME );
+            OUString aTemp;
+            if ( aUserItem >>= aTemp )
+                aUserData = aTemp;
+        }
+
+        if ( mbHasAutoExt )
+        {
+            try
+            {
+                aValue = xDlg->getValue( ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION, 0 );
+                bool bAutoExt = true;
+                aValue >>= bAutoExt;
+                SetToken( aUserData, 0, ' ', OUString::number( static_cast<sal_Int32>(bAutoExt) ) );
+                bWriteConfig = true;
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+
+        if ( ! mbIsSaveDlg )
+        {
+            OUString aPath = getPath();
+            if ( comphelper::isFileUrl( aPath ) )
+            {
+                SetToken( aUserData, 1, ' ', aPath );
+                bWriteConfig = true;
+            }
+        }
+
+        if( mbHasSelectionBox && mbSelectionFltrEnabled )
+        {
+            try
+            {
+                aValue = xDlg->getValue( ExtendedFilePickerElementIds::CHECKBOX_SELECTION, 0 );
+                bool bSelection = true;
+                aValue >>= bSelection;
+                if ( comphelper::string::getTokenCount(aUserData, ' ') < 3 )
+                    aUserData += " ";
+                SetToken( aUserData, 2, ' ', OUString::number( static_cast<sal_Int32>(bSelection) ) );
+                bWriteConfig = true;
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+
+        if ( bWriteConfig )
+            aDlgOpt.SetUserItem( USERITEM_NAME, Any( aUserData ) );
+    }
+
+    // Store to config, if explicit context is set. Otherwise store in (global) runtime var.
+    if (meContext != FileDialogHelper::UnknownContext)
+    {
+        SaveLastDirectory(FileDialogHelper::contextToString(meContext), getPath());
+    }
+    else
+    {
+        SfxApplication *pSfxApp = SfxGetpApp();
+        pSfxApp->SetLastDir_Impl( getPath() );
+    }
+}
+
+OUString FileDialogHelper_Impl::getInitPath(std::u16string_view _rFallback,
+                                            const sal_Int32 _nFallbackToken)
+{
+    OUString sPath;
+    // Load from config, if explicit context is set. Otherwise load from (global) runtime var.
+    if (meContext != FileDialogHelper::UnknownContext)
+    {
+        OUString sContext = FileDialogHelper::contextToString(meContext);
+        Reference<XNameAccess> set(officecfg::Office::Common::Misc::FilePickerLastDirectory::get());
+        Any v;
+        try
+        {
+            v = set->getByName(sContext);
+            Reference<XPropertySet> el(v.get<Reference<XPropertySet>>(), UNO_SET_THROW);
+            sPath = el->getPropertyValue("LastPath").get<OUString>();
+        }
+        catch (NoSuchElementException&)
+        {
+        }
+    }
+    else
+    {
+        SfxApplication *pSfxApp = SfxGetpApp();
+        sPath = pSfxApp->GetLastDir_Impl();
+    }
+
+    if ( sPath.isEmpty() )
+        sPath = o3tl::getToken(_rFallback, _nFallbackToken, ' ' );
+
+    // check if the path points to a valid (accessible) directory
+    bool bValid = false;
+    if ( !sPath.isEmpty() )
+    {
+        OUString sPathCheck( sPath );
+        if ( sPathCheck[ sPathCheck.getLength() - 1 ] != '/' )
+            sPathCheck += "/";
+        sPathCheck += ".";
+        try
+        {
+            ::ucbhelper::Content aContent( sPathCheck,
+                                            utl::UCBContentHelper::getDefaultCommandEnvironment(),
+                                            comphelper::getProcessComponentContext() );
+            bValid = aContent.isFolder();
+        }
+        catch( const Exception& ) {}
+    }
+    if ( !bValid )
+        sPath.clear();
+    return sPath;
+}
+
+void FileDialogHelper_Impl::loadConfig()
+{
+    uno::Reference < XFilePickerControlAccess > xDlg( mxFileDlg, UNO_QUERY );
+    Any aValue;
+
+    if ( ! xDlg.is() )
+        return;
+
+    if ( mbHasPreview )
+    {
+        SvtViewOptions aViewOpt( EViewType::Dialog, IMPGRF_CONFIGNAME );
+        OUString aUserData;
+
+        if ( aViewOpt.Exists() )
+        {
+            Any aUserItem = aViewOpt.GetUserItem( USERITEM_NAME );
+            OUString aTemp;
+            if ( aUserItem >>= aTemp )
+                aUserData = aTemp;
+        }
+
+        if ( !aUserData.isEmpty() )
+        {
+            try
+            {
+                // respect the last "insert as link" state
+                bool bLink = o3tl::toInt32(o3tl::getToken(aUserData, 0, ' ' ));
+                aValue <<= bLink;
+                xDlg->setValue( ExtendedFilePickerElementIds::CHECKBOX_LINK, 0, aValue );
+
+                // respect the last "show preview" state
+                bool bShowPreview = o3tl::toInt32(o3tl::getToken(aUserData, 1, ' ' ));
+                aValue <<= bShowPreview;
+                xDlg->setValue( ExtendedFilePickerElementIds::CHECKBOX_PREVIEW, 0, aValue );
+
+                if ( maPath.isEmpty() )
+                    displayFolder( getInitPath( aUserData, 2 ) );
+
+                if ( maCurFilter.isEmpty() )
+                {
+                    OUString aFilter = aUserData.getToken( 3, ' ' );
+                    aFilter = DecodeSpaces_Impl( aFilter );
+                    setFilter( aFilter );
+                }
+
+                // set the member so we know that we have to show the preview
+                mbShowPreview = bShowPreview;
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+
+        if ( maPath.isEmpty() )
+            displayFolder( SvtPathOptions().GetWorkPath() );
+    }
+    else
+    {
+        SvtViewOptions aViewOpt( EViewType::Dialog, IODLG_CONFIGNAME );
+        OUString aUserData;
+
+        if ( aViewOpt.Exists() )
+        {
+            Any aUserItem = aViewOpt.GetUserItem( USERITEM_NAME );
+            OUString aTemp;
+            if ( aUserItem >>= aTemp )
+                aUserData = aTemp;
+        }
+
+        if ( aUserData.isEmpty() )
+            aUserData = STD_CONFIG_STR;
+
+        if ( maPath.isEmpty() )
+            displayFolder( getInitPath( aUserData, 1 ) );
+
+        if ( mbHasAutoExt )
+        {
+            sal_Int32 nFlag = o3tl::toInt32(o3tl::getToken(aUserData, 0, ' ' ));
+            aValue <<= static_cast<bool>(nFlag);
+            try
+            {
+                xDlg->setValue( ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION, 0, aValue );
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+
+        if( mbHasSelectionBox )
+        {
+            sal_Int32 nFlag = o3tl::toInt32(o3tl::getToken(aUserData, 2, ' ' ));
+            aValue <<= static_cast<bool>(nFlag);
+            try
+            {
+                xDlg->setValue( ExtendedFilePickerElementIds::CHECKBOX_SELECTION, 0, aValue );
+            }
+            catch( const IllegalArgumentException& ){}
+        }
+
+        if ( maPath.isEmpty() )
+            displayFolder( SvtPathOptions().GetWorkPath() );
+    }
+}
+
+void FileDialogHelper_Impl::setDefaultValues()
+{
+    // when no filter is set, we set the currentFilter to <all>
+    if ( maCurFilter.isEmpty() && !maSelectFilter.isEmpty() )
+    {
+        try
+        {
+            mxFileDlg->setCurrentFilter( maSelectFilter );
+        }
+        catch( const IllegalArgumentException& )
+        {}
+    }
+
+    // when no path is set, we use the standard 'work' folder
+    if ( maPath.isEmpty() )
+    {
+        OUString aWorkFolder = SvtPathOptions().GetWorkPath();
+        try
+        {
+            mxFileDlg->setDisplayDirectory( aWorkFolder );
+        }
+        catch( const Exception& )
+        {
+            TOOLS_WARN_EXCEPTION( "sfx.dialog", "FileDialogHelper_Impl::setDefaultValues: caught an exception while setting the display directory!" );
+        }
+    }
+}
+
+bool FileDialogHelper_Impl::isShowFilterExtensionEnabled() const
+{
+    return !maFilters.empty();
+}
+
+void FileDialogHelper_Impl::addFilterPair( const OUString& rFilter,
+                                           const OUString& rFilterWithExtension )
+{
+    maFilters.emplace_back( rFilter, rFilterWithExtension );
+
+}
+
+OUString FileDialogHelper_Impl::getFilterName( std::u16string_view rFilterWithExtension ) const
+{
+    OUString sRet;
+    for (auto const& filter : maFilters)
+    {
+        if (filter.Second == rFilterWithExtension)
+        {
+            sRet = filter.First;
+            break;
+        }
+    }
+    return sRet;
+}
+
+OUString FileDialogHelper_Impl::getFilterWithExtension( std::u16string_view rFilter ) const
+{
+    OUString sRet;
+    for (auto const& filter : maFilters)
+    {
+        if ( filter.First == rFilter )
+        {
+            sRet = filter.Second;
+            break;
+        }
+    }
+    return sRet;
+}
+
+void FileDialogHelper_Impl::SetContext( FileDialogHelper::Context _eNewContext )
+{
+    meContext = _eNewContext;
+
+    std::optional<OUString> pConfigId = GetLastFilterConfigId( _eNewContext );
+    if( pConfigId )
+        LoadLastUsedFilter( *pConfigId );
+}
+
+// FileDialogHelper
+
+FileDialogHelper::FileDialogHelper(
+    sal_Int16 nDialogType,
+    FileDialogFlags nFlags,
+    const OUString& rFact,
+    SfxFilterFlags nMust,
+    SfxFilterFlags nDont,
+    weld::Window* pPreferredParent)
+    :   m_nError(0),
+        mpImpl(new FileDialogHelper_Impl(this, nDialogType, nFlags, SFX2_IMPL_DIALOG_CONFIG, pPreferredParent))
+{
+
+    // create the list of filters
+    mpImpl->addFilters(
+            SfxObjectShell::GetServiceNameFromFactory(rFact), nMust, nDont );
+}
+
+FileDialogHelper::FileDialogHelper(
+    sal_Int16 nDialogType,
+    FileDialogFlags nFlags,
+    const OUString& rFact,
+    sal_Int16 nDialog,
+    SfxFilterFlags nMust,
+    SfxFilterFlags nDont,
+    const OUString& rStandardDir,
+    const css::uno::Sequence< OUString >& rDenyList,
+    weld::Window* pPreferredParent)
+    :   m_nError(0),
+        mpImpl( new FileDialogHelper_Impl( this, nDialogType, nFlags, nDialog, pPreferredParent, rStandardDir, rDenyList ) )
+{
+    // create the list of filters
+    mpImpl->addFilters(
+            SfxObjectShell::GetServiceNameFromFactory(rFact), nMust, nDont );
+}
+
+FileDialogHelper::FileDialogHelper(sal_Int16 nDialogType, FileDialogFlags nFlags, weld::Window* pPreferredParent)
+    :   m_nError(0),
+        mpImpl( new FileDialogHelper_Impl( this, nDialogType, nFlags, SFX2_IMPL_DIALOG_CONFIG, pPreferredParent ) )
+{
+}
+
+FileDialogHelper::FileDialogHelper(
+    sal_Int16 nDialogType,
+    FileDialogFlags nFlags,
+    const OUString& aFilterUIName,
+    std::u16string_view aExtName,
+    const OUString& rStandardDir,
+    const css::uno::Sequence< OUString >& rDenyList,
+    weld::Window* pPreferredParent )
+    :   m_nError(0),
+        mpImpl( new FileDialogHelper_Impl( this, nDialogType, nFlags, SFX2_IMPL_DIALOG_CONFIG, pPreferredParent, rStandardDir, rDenyList ) )
+{
+    // the wildcard here is expected in form "*.extension"
+    OUString aWildcard;
+    if ( aExtName.find( '*' ) != 0 )
+    {
+        if ( !aExtName.empty() && aExtName.find( '.' ) != 0 )
+            aWildcard = "*.";
+        else
+            aWildcard = "*";
+    }
+
+    aWildcard += aExtName;
+
+    OUString const aUIString = ::sfx2::addExtension(
+        aFilterUIName, aWildcard, (OPEN == lcl_OpenOrSave(mpImpl->m_nDialogType)), *mpImpl);
+    AddFilter( aUIString, aWildcard );
+}
+
+FileDialogHelper::~FileDialogHelper()
+{
+    mpImpl->dispose();
+}
+
+void FileDialogHelper::CreateMatcher( const OUString& rFactory )
+{
+    mpImpl->createMatcher( SfxObjectShell::GetServiceNameFromFactory(rFactory) );
+}
+
+void FileDialogHelper::SetControlHelpIds( const sal_Int16* _pControlId, const char** _pHelpId )
+{
+    mpImpl->setControlHelpIds( _pControlId, _pHelpId );
+}
+
+void FileDialogHelper::SetContext( Context _eNewContext )
+{
+    mpImpl->SetContext( _eNewContext );
+}
+
+OUString FileDialogHelper::contextToString(Context context)
+{
+    // These strings are used in the configuration, to store the last used directory for each context.
+    // Please don't change them.
+    switch(context) {
+        case AcceleratorConfig:
+            return "AcceleratorConfig";
+        case AutoRedact:
+            return "AutoRedact";
+        case BaseDataSource:
+            return "BaseDataSource";
+        case BaseSaveAs:
+            return "BaseSaveAs";
+        case BasicExportDialog:
+            return "BasicExportDialog";
+        case BasicExportPackage:
+            return "BasicExportPackage";
+        case BasicExportSource:
+            return "BasicExportSource";
+        case BasicImportDialog:
+            return "BasicImportDialog";
+        case BasicImportSource:
+            return "BasicImportSource";
+        case BasicInsertLib:
+            return "BasicInsertLib";
+        case BulletsAddImage:
+            return "BulletsAddImage";
+        case CalcDataProvider:
+            return "CalcDataProvider";
+        case CalcDataStream:
+            return "CalcDataStream";
+        case CalcExport:
+            return "CalcExport";
+        case CalcSaveAs:
+            return "CalcSaveAs";
+        case CalcXMLSource:
+            return "CalcXMLSource";
+        case ExportImage:
+            return "ExportImage";
+        case ExtensionManager:
+            return "ExtensionManager";
+        case FormsAddInstance:
+            return "FormsAddInstance";
+        case FormsInsertImage:
+            return "FormsInsertImage";
+        case LinkClientOLE:
+            return "LinkClientOLE";
+        case LinkClientFile:
+            return "LinkClientFile";
+        case DrawImpressInsertFile:
+            return "DrawImpressInsertFile";
+        case DrawImpressOpenSound:
+            return "DrawImpressOpenSound";
+        case DrawExport:
+            return "DrawExport";
+        case DrawSaveAs:
+            return "DrawSaveAs";
+        case IconImport:
+            return "IconImport";
+        case ImpressClickAction:
+            return "ImpressClickAction";
+        case ImpressExport:
+            return "ImpressExport";
+        case ImpressPhotoDialog:
+            return "ImpressPhotoDialog";
+        case ImpressSaveAs:
+            return "ImpressSaveAs";
+        case ImageMap:
+            return "ImageMap";
+        case InsertDoc:
+            return "InsertDoc";
+        case InsertImage:
+            return "InsertImage";
+        case InsertOLE:
+            return "InsertOLE";
+        case InsertMedia:
+            return "InsertMedia";
+        case JavaClassPath:
+            return "JavaClassPath";
+        case ReportInsertImage:
+            return "ReportInsertImage";
+        case ScreenshotAnnotation:
+            return "ScreenshotAnnotation";
+        case SignatureLine:
+            return "SignatureLine";
+        case TemplateImport:
+            return "TemplateImport";
+        case WriterCreateAddressList:
+            return "WriterCreateAddressList";
+        case WriterExport:
+            return "WriterExport";
+        case WriterImportAutotext:
+            return "WriterImportAutotext";
+        case WriterInsertDoc:
+            return "WriterInsertDoc";
+        case WriterInsertHyperlink:
+            return "WriterInsertHyperlink";
+        case WriterInsertImage:
+            return "WriterInsertImage";
+        case WriterInsertScript:
+            return "WriterInsertScript";
+        case WriterLoadTemplate:
+            return "WriterLoadTemplate";
+        case WriterMailMerge:
+            return "WriterMailMerge";
+        case WriterMailMergeSaveAs:
+            return "WriterMailMergeSaveAs";
+        case WriterNewHTMLGlobalDoc:
+            return "WriterNewHTMLGlobalDoc";
+        case WriterRegisterDataSource:
+            return "WriterRegisterDataSource";
+        case WriterSaveAs:
+            return "WriterSaveAs";
+        case WriterSaveHTML:
+            return "WriterSaveHTML";
+        case XMLFilterSettings:
+            return "XMLFilterSettings";
+        case UnknownContext:
+        default:
+            return "";
+    }
+}
+
+IMPL_LINK_NOARG(FileDialogHelper, ExecuteSystemFilePicker, void*, void)
+{
+    m_nError = mpImpl->execute();
+    m_aDialogClosedLink.Call( this );
+}
+
+// rDirPath has to be a directory
+ErrCode FileDialogHelper::Execute( std::vector<OUString>& rpURLList,
+                                   std::optional<SfxAllItemSet>& rpSet,
+                                   OUString&       rFilter,
+                                   const OUString& rDirPath )
+{
+    SetDisplayFolder( rDirPath );
+    return mpImpl->execute( rpURLList, rpSet, rFilter );
+}
+
+
+ErrCode FileDialogHelper::Execute()
+{
+    return mpImpl->execute();
+}
+
+ErrCode FileDialogHelper::Execute( std::optional<SfxAllItemSet>& rpSet,
+                                   OUString&       rFilter )
+{
+    ErrCode nRet;
+    std::vector<OUString> rURLList;
+    nRet = mpImpl->execute(rURLList, rpSet, rFilter);
+    return nRet;
+}
+
+void FileDialogHelper::StartExecuteModal( const Link<FileDialogHelper*,void>& rEndDialogHdl )
+{
+    m_aDialogClosedLink = rEndDialogHdl;
+    m_nError = ERRCODE_NONE;
+    if (!mpImpl->isAsyncFilePicker())
+        Application::PostUserEvent( LINK( this, FileDialogHelper, ExecuteSystemFilePicker ) );
+    else
+        mpImpl->implStartExecute();
+}
+
+sal_Int16 FileDialogHelper::GetDialogType() const { return mpImpl ? mpImpl->m_nDialogType : 0; }
+
+bool FileDialogHelper::IsPasswordEnabled() const
+{
+    return mpImpl && mpImpl->isPasswordEnabled();
+}
+
+OUString FileDialogHelper::GetRealFilter() const
+{
+    OUString sFilter;
+    if (mpImpl)
+        mpImpl->getRealFilter( sFilter );
+    return sFilter;
+}
+
+void FileDialogHelper::SetTitle( const OUString& rNewTitle )
+{
+    if ( mpImpl->mxFileDlg.is() )
+        mpImpl->mxFileDlg->setTitle( rNewTitle );
+}
+
+OUString FileDialogHelper::GetPath() const
+{
+    OUString aPath;
+
+    if ( !mpImpl->mlLastURLs.empty())
+        return mpImpl->mlLastURLs[0];
+
+    if ( mpImpl->mxFileDlg.is() )
+    {
+        Sequence < OUString > aPathSeq = mpImpl->mxFileDlg->getFiles();
+
+        if ( aPathSeq.getLength() == 1 )
+        {
+            aPath = aPathSeq[0];
+        }
+    }
+
+    return aPath;
+}
+
+Sequence < OUString > FileDialogHelper::GetMPath() const
+{
+    if ( !mpImpl->mlLastURLs.empty())
+        return comphelper::containerToSequence(mpImpl->mlLastURLs);
+
+    if ( mpImpl->mxFileDlg.is() )
+        return mpImpl->mxFileDlg->getFiles();
+    else
+    {
+        Sequence < OUString > aEmpty;
+        return aEmpty;
+    }
+}
+
+Sequence< OUString > FileDialogHelper::GetSelectedFiles() const
+{
+    // a) the new way (optional!)
+    uno::Sequence< OUString > aResultSeq;
+    if (mpImpl->mxFileDlg.is())
+    {
+        aResultSeq = mpImpl->mxFileDlg->getSelectedFiles();
+    }
+    // b) the olde way ... non optional.
+    else
+    {
+        uno::Reference< XFilePicker > xPickOld(mpImpl->mxFileDlg, UNO_QUERY_THROW);
+        Sequence< OUString > lFiles = xPickOld->getFiles();
+        ::sal_Int32          nFiles = lFiles.getLength();
+        if ( nFiles > 1 )
+        {
+            aResultSeq = Sequence< OUString >( nFiles-1 );
+            auto pResultSeq = aResultSeq.getArray();
+
+            INetURLObject aPath( lFiles[0] );
+            aPath.setFinalSlash();
+
+            for (::sal_Int32 i = 1; i < nFiles; i++)
+            {
+                if (i == 1)
+                    aPath.Append( lFiles[i] );
+                else
+                    aPath.setName( lFiles[i] );
+
+                pResultSeq[i-1] = aPath.GetMainURL( INetURLObject::DecodeMechanism::NONE );
+            }
+        }
+        else
+            aResultSeq = lFiles;
+    }
+
+    return aResultSeq;
+}
+
+OUString FileDialogHelper::GetDisplayDirectory() const
+{
+    return mpImpl->getPath();
+}
+
+OUString FileDialogHelper::GetCurrentFilter() const
+{
+    return mpImpl->getFilter();
+}
+
+ErrCode FileDialogHelper::GetGraphic( Graphic& rGraphic ) const
+{
+    return mpImpl->getGraphic( rGraphic );
+}
+
+static int impl_isFolder( const OUString& rPath )
+{
+    try
+    {
+        ::ucbhelper::Content aContent(
+            rPath, uno::Reference< ucb::XCommandEnvironment > (),
+            comphelper::getProcessComponentContext() );
+        if ( aContent.isFolder() )
+            return 1;
+
+        return 0;
+    }
+    catch ( const Exception & )
+    {
+    }
+
+    return -1;
+}
+
+void FileDialogHelper::SetDisplayDirectory( const OUString& _rPath )
+{
+    if ( _rPath.isEmpty() )
+        return;
+
+    // if the given path isn't a folder, we cut off the last part
+    // and take it as filename and the rest of the path should be
+    // the folder
+
+    INetURLObject aObj( _rPath );
+
+    OUString sFileName = aObj.GetLastName(INetURLObject::DecodeMechanism::WithCharset);
+    aObj.removeSegment();
+    OUString sPath = aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE );
+
+    int nIsFolder = impl_isFolder( _rPath );
+    if ( nIsFolder == 0 ||
+         ( nIsFolder == -1 && impl_isFolder( sPath ) == 1 ) )
+    {
+        mpImpl->setFileName( sFileName );
+        mpImpl->displayFolder( sPath );
+    }
+    else
+    {
+        INetURLObject aObjPathName( _rPath );
+        OUString sFolder( aObjPathName.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+        if ( sFolder.isEmpty() )
+        {
+            // _rPath is not a valid path -> fallback to home directory
+            osl::Security aSecurity;
+            aSecurity.getHomeDir( sFolder );
+        }
+        mpImpl->displayFolder( sFolder );
+    }
+}
+
+void FileDialogHelper::SetDisplayFolder( const OUString& _rURL )
+{
+    mpImpl->displayFolder( _rURL );
+}
+
+void FileDialogHelper::SetFileName( const OUString& _rFileName )
+{
+    mpImpl->setFileName( _rFileName );
+}
+
+void FileDialogHelper::AddFilter( const OUString& rFilterName,
+                                  const OUString& rExtension )
+{
+    mpImpl->addFilter( rFilterName, rExtension );
+}
+
+void FileDialogHelper::SetCurrentFilter( const OUString& rFilter )
+{
+    OUString sFilter( rFilter );
+    if ( mpImpl->isShowFilterExtensionEnabled() )
+        sFilter = mpImpl->getFilterWithExtension( rFilter );
+    mpImpl->setFilter( sFilter );
+}
+
+const uno::Reference < XFilePicker3 >& FileDialogHelper::GetFilePicker() const
+{
+    return mpImpl->mxFileDlg;
+}
+
+// XFilePickerListener Methods
+void FileDialogHelper::FileSelectionChanged()
+{
+    mpImpl->handleFileSelectionChanged();
+}
+
+void FileDialogHelper::DirectoryChanged()
+{
+    mpImpl->handleDirectoryChanged();
+}
+
+OUString FileDialogHelper::HelpRequested( const FilePickerEvent& aEvent )
+{
+    return sfx2::FileDialogHelper_Impl::handleHelpRequested( aEvent );
+}
+
+void FileDialogHelper::ControlStateChanged( const FilePickerEvent& aEvent )
+{
+    mpImpl->handleControlStateChanged( aEvent );
+}
+
+void FileDialogHelper::DialogSizeChanged()
+{
+    mpImpl->handleDialogSizeChanged();
+}
+
+void FileDialogHelper::DialogClosed( const DialogClosedEvent& _rEvent )
+{
+    m_nError = ( RET_OK == _rEvent.DialogResult ) ? ERRCODE_NONE : ERRCODE_ABORT;
+    m_aDialogClosedLink.Call( this );
+}
+
+ErrCode FileOpenDialog_Impl( weld::Window* pParent,
+                             sal_Int16 nDialogType,
+                             FileDialogFlags nFlags,
+                             std::vector<OUString>& rpURLList,
+                             OUString& rFilter,
+                             std::optional<SfxAllItemSet>& rpSet,
+                             const OUString* pPath,
+                             sal_Int16 nDialog,
+                             const OUString& rStandardDir,
+                             const css::uno::Sequence< OUString >& rDenyList )
+{
+    ErrCode nRet;
+    std::unique_ptr<FileDialogHelper> pDialog;
+    // Sign existing PDF: only works with PDF files and they are opened
+    // read-only to discourage editing (which would invalidate existing
+    // signatures).
+    if (nFlags & FileDialogFlags::SignPDF)
+        pDialog.reset(new FileDialogHelper(nDialogType, nFlags, SfxResId(STR_SFX_FILTERNAME_PDF), u"pdf", rStandardDir, rDenyList, pParent));
+    else
+        pDialog.reset(new FileDialogHelper(nDialogType, nFlags, OUString(), nDialog, SfxFilterFlags::NONE, SfxFilterFlags::NONE, rStandardDir, rDenyList, pParent));
+
+    OUString aPath;
+    if ( pPath )
+        aPath = *pPath;
+
+    nRet = pDialog->Execute(rpURLList, rpSet, rFilter, aPath);
+    DBG_ASSERT( rFilter.indexOf(": ") == -1, "Old filter name used!");
+
+    if (rpSet && nFlags & FileDialogFlags::SignPDF)
+        rpSet->Put(SfxBoolItem(SID_DOC_READONLY, true));
+    return nRet;
+}
+
+ErrCode RequestPassword(const std::shared_ptr<const SfxFilter>& pCurrentFilter, OUString const & aURL, SfxItemSet* pSet, const css::uno::Reference<css::awt::XWindow>& rParent)
+{
+    uno::Reference<task::XInteractionHandler2> xInteractionHandler = task::InteractionHandler::createWithParent(::comphelper::getProcessComponentContext(), rParent);
+    // TODO: need a save way to distinguish MS filters from other filters
+    // for now MS-filters are the only alien filters that support encryption
+    const bool bMSType = !pCurrentFilter->IsOwnFormat();
+    // For OOXML we can use the standard password ("unlimited" characters)
+    // request, otherwise the MS limited password request is needed.
+    const bool bOOXML = bMSType && lclSupportsOOXMLEncryption( pCurrentFilter->GetFilterName());
+    const ::comphelper::DocPasswordRequestType eType = bMSType && !bOOXML ?
+        ::comphelper::DocPasswordRequestType::MS :
+        ::comphelper::DocPasswordRequestType::Standard;
+
+    ::rtl::Reference< ::comphelper::DocPasswordRequest > pPasswordRequest( new ::comphelper::DocPasswordRequest( eType, css::task::PasswordRequestMode_PASSWORD_CREATE, aURL, bool( pCurrentFilter->GetFilterFlags() & SfxFilterFlags::PASSWORDTOMODIFY ) ) );
+
+    uno::Reference< css::task::XInteractionRequest > rRequest( pPasswordRequest );
+    do
+    {
+        xInteractionHandler->handle( rRequest );
+        if (!pPasswordRequest->isPassword() || bMSType)
+        {
+            break;
+        }
+        OString const utf8Pwd(OUStringToOString(pPasswordRequest->getPassword(), RTL_TEXTENCODING_UTF8));
+        OString const utf8Ptm(OUStringToOString(pPasswordRequest->getPasswordToModify(), RTL_TEXTENCODING_UTF8));
+        if (!(52 <= utf8Pwd.getLength() && utf8Pwd.getLength() <= 55
+                && GetODFSaneDefaultVersion() < SvtSaveOptions::ODFSVER_012)
+            && (52 > utf8Ptm.getLength() || utf8Ptm.getLength() > 55))
+        {
+            break;
+        }
+        std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(Application::GetFrameWeld(rParent), VclMessageType::Warning,
+            VclButtonsType::Ok, SfxResId(STR_PASSWORD_LEN)));
+        xBox->set_secondary_text(SfxResId(STR_PASSWORD_WARNING));
+        xBox->run();
+    }
+    while (true);
+    if ( pPasswordRequest->isPassword() )
+    {
+        if ( pPasswordRequest->getPassword().getLength() )
+        {
+            css::uno::Sequence< css::beans::NamedValue > aEncryptionData;
+
+            // TODO/LATER: The filters should show the password dialog themself in future
+            if ( bMSType )
+            {
+                if (bOOXML)
+                {
+                    ::comphelper::SequenceAsHashMap aHashData;
+                    aHashData[ OUString( "OOXPassword" ) ] <<= pPasswordRequest->getPassword();
+                    aHashData[ OUString( "CryptoType" ) ] <<= OUString( "Standard" );
+                    aEncryptionData = aHashData.getAsConstNamedValueList();
+                }
+                else
+                {
+                    uno::Sequence< sal_Int8 > aUniqueID = ::comphelper::DocPasswordHelper::GenerateRandomByteSequence( 16 );
+                    uno::Sequence< sal_Int8 > aEncryptionKey = ::comphelper::DocPasswordHelper::GenerateStd97Key( pPasswordRequest->getPassword(), aUniqueID );
+
+                    if ( aEncryptionKey.hasElements() )
+                    {
+                        ::comphelper::SequenceAsHashMap aHashData;
+                        aHashData[ OUString( "STD97EncryptionKey"  ) ] <<= aEncryptionKey;
+                        aHashData[ OUString( "STD97UniqueID"  ) ] <<= aUniqueID;
+
+                        aEncryptionData = aHashData.getAsConstNamedValueList();
+                    }
+                    else
+                    {
+                        return ERRCODE_IO_NOTSUPPORTED;
+                    }
+                }
+            }
+
+            // tdf#118639: We need ODF encryption data for autorecovery where password will already
+            // be unavailable, even for non-ODF documents, so append it here unconditionally
+            pSet->Put(SfxUnoAnyItem(
+                SID_ENCRYPTIONDATA,
+                uno::Any(comphelper::concatSequences(
+                    aEncryptionData, comphelper::OStorageHelper::CreatePackageEncryptionData(
+                                         pPasswordRequest->getPassword())))));
+        }
+
+        if ( pPasswordRequest->getRecommendReadOnly() )
+            pSet->Put( SfxBoolItem( SID_RECOMMENDREADONLY, true ) );
+
+        if ( bMSType )
+        {
+            if (bOOXML)
+            {
+                uno::Sequence<beans::PropertyValue> aModifyPasswordInfo
+                    = ::comphelper::DocPasswordHelper::GenerateNewModifyPasswordInfoOOXML(
+                        pPasswordRequest->getPasswordToModify());
+                if (aModifyPasswordInfo.hasElements())
+                    pSet->Put(
+                        SfxUnoAnyItem(SID_MODIFYPASSWORDINFO, uno::Any(aModifyPasswordInfo)));
+            }
+            else
+            {
+                // the empty password has 0 as Hash
+                sal_Int32 nHash = SfxMedium::CreatePasswordToModifyHash(
+                    pPasswordRequest->getPasswordToModify(),
+                    pCurrentFilter->GetServiceName() == "com.sun.star.text.TextDocument");
+                if (nHash)
+                    pSet->Put(SfxUnoAnyItem(SID_MODIFYPASSWORDINFO, uno::Any(nHash)));
+            }
+        }
+        else
+        {
+            uno::Sequence< beans::PropertyValue > aModifyPasswordInfo = ::comphelper::DocPasswordHelper::GenerateNewModifyPasswordInfo( pPasswordRequest->getPasswordToModify() );
+            if ( aModifyPasswordInfo.hasElements() )
+                pSet->Put( SfxUnoAnyItem( SID_MODIFYPASSWORDINFO, uno::Any( aModifyPasswordInfo ) ) );
+        }
+    }
+    else
+        return ERRCODE_ABORT;
+    return ERRCODE_NONE;
+}
+
+OUString EncodeSpaces_Impl( const OUString& rSource )
+{
+    OUString sRet = rSource.replaceAll( " ", "%20" );
+    return sRet;
+}
+
+OUString DecodeSpaces_Impl( const OUString& rSource )
+{
+    OUString sRet = rSource.replaceAll( "%20", " " );
+    return sRet;
+}
+
+}   // end of namespace sfx2
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */