/* -*- 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 <rtl/ustring.hxx>

#include <com/sun/star/lang/XMultiComponentFactory.hpp>

#include <svl/pickerhistoryaccess.hxx>

#include <officecfg/Office/Common.hxx>

#include <vcl/DesktopType.hxx>

#include <vcl/svapp.hxx>

#include "fpicker.hxx"

using css::uno::Reference;

using css::uno::Sequence;

/*

 * FilePicker implementation.

 */

static OUString FilePicker_getSystemPickerServiceName()

{

#ifdef UNX

    if (Application::GetDesktopEnvironment() == DesktopType::macOS)

        return u"com.sun.star.ui.dialogs.AquaFilePicker"_ustr;

    else

        return u"com.sun.star.ui.dialogs.SystemFilePicker"_ustr;

#endif

#ifdef _WIN32

    return "com.sun.star.ui.dialogs.Win32FilePicker";

#endif

}

// Ensure that we use not the system file dialogs as headless mode relies on

// Application::EnableHeadlessMode() which only works for VCL dialogs

static bool UseSystemFileDialog()

{

    return !Application::IsHeadlessModeEnabled() && officecfg::Office::Common::Misc::UseSystemFileDialog::get();

}

Reference< css::uno::XInterface > FilePicker_CreateInstance (

    Reference< css::uno::XComponentContext > const & context)

{

    Reference< css::uno::XInterface > xResult;

    if (!context.is())

        return xResult;

    Reference< css::lang::XMultiComponentFactory > xFactory (context->getServiceManager());

    if (xFactory.is() && UseSystemFileDialog())

    {

        xResult.set( Application::createFilePicker( context ) );

        if (!xResult.is())

        {

            try

            {

                xResult = xFactory->createInstanceWithContext (

                        FilePicker_getSystemPickerServiceName(),

                        context);

            }

            catch (css::uno::Exception const &)

            {

                // Handled below (see @ fallback).

            }

        }

    }

    if (!xResult.is() && xFactory.is())

    {

        // Always fall back to OfficeFilePicker.

        xResult = xFactory->createInstanceWithContext (

                u"com.sun.star.ui.dialogs.OfficeFilePicker"_ustr,

                context);

    }

    if (xResult.is())

    {

        // Add to FilePicker history.

        svt::addFilePicker (xResult);

    }

    return xResult;

}

OUString FilePicker_getImplementationName()

{

    return u"com.sun.star.comp.svt.FilePicker"_ustr;

}

Sequence< OUString > FilePicker_getSupportedServiceNames()

{

    Sequence< OUString > aServiceNames { u"com.sun.star.ui.dialogs.FilePicker"_ustr };

    return aServiceNames;

}

/*

 * FolderPicker implementation.

 */

static OUString FolderPicker_getSystemPickerServiceName()

{

#ifdef UNX

    if (Application::GetDesktopEnvironment() == DesktopType::macOS)

        return u"com.sun.star.ui.dialogs.AquaFolderPicker"_ustr;

#endif

    return u"com.sun.star.ui.dialogs.SystemFolderPicker"_ustr;

}

Reference< css::uno::XInterface > FolderPicker_CreateInstance (

    Reference< css::uno::XComponentContext > const & context)

{

    Reference< css::uno::XInterface > xResult;

    if (!context.is())

        return xResult;

    Reference< css::lang::XMultiComponentFactory > xFactory (context->getServiceManager());

    if (xFactory.is() && UseSystemFileDialog())

    {

        xResult.set( Application::createFolderPicker( context ) );

        if (!xResult.is())

        {

            try

            {

                xResult = xFactory->createInstanceWithContext (

                                FolderPicker_getSystemPickerServiceName(),

                                context);

            }

            catch (css::uno::Exception const &)

            {

                // Handled below (see @ fallback).

            }

        }

    }

    if (!xResult.is() && xFactory.is() )

    {

        // Always fall back to OfficeFolderPicker.

        xResult = xFactory->createInstanceWithContext (

                 u"com.sun.star.ui.dialogs.OfficeFolderPicker"_ustr,

                context);

    }

    if (xResult.is())

    {

        // Add to FolderPicker history.

        svt::addFolderPicker (xResult);

    }

    return xResult;

}

OUString FolderPicker_getImplementationName()

{

    return u"com.sun.star.comp.svt.FolderPicker"_ustr;

}

Sequence< OUString > FolderPicker_getSupportedServiceNames()

{

    Sequence< OUString > aServiceNames { u"com.sun.star.ui.dialogs.FolderPicker"_ustr };

    return aServiceNames;

}

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