/* -*- 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/ref.hxx>
#include <sal/log.hxx>
#include <utility>
#include <vcl/unohelp2.hxx>
#include <sot/exchange.hxx>
#include <sot/formats.hxx>
#include <vcl/svapp.hxx>
#include <com/sun/star/datatransfer/UnsupportedFlavorException.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
#include <cppuhelper/queryinterface.hxx>
#include <boost/property_tree/json_parser.hpp>
#include <comphelper/lok.hxx>
#include <LibreOfficeKit/LibreOfficeKitEnums.h>

using namespace ::com::sun::star;

namespace vcl::unohelper
{
TextDataObject::TextDataObject(OUString aText)
    : maText(std::move(aText))
{
}

TextDataObject::~TextDataObject() {}

void TextDataObject::CopyStringTo(
    const OUString& rContent,
    const uno::Reference<datatransfer::clipboard::XClipboard>& rxClipboard,
    const vcl::ILibreOfficeKitNotifier* pNotifier)
{
    SAL_WARN_IF(!rxClipboard.is(), "vcl", "TextDataObject::CopyStringTo: invalid clipboard!");
    if (!rxClipboard.is())
        return;

    rtl::Reference<TextDataObject> pDataObj = new TextDataObject(rContent);

    SolarMutexReleaser aReleaser;
    try
    {
        rxClipboard->setContents(pDataObj, nullptr);

        uno::Reference<datatransfer::clipboard::XFlushableClipboard> xFlushableClipboard(
            rxClipboard, uno::UNO_QUERY);
        if (xFlushableClipboard.is())
            xFlushableClipboard->flushClipboard();

        if (pNotifier != nullptr && comphelper::LibreOfficeKit::isActive())
        {
            boost::property_tree::ptree aTree;
            aTree.put("content", rContent);
            aTree.put("mimeType", "text/plain");
            std::stringstream aStream;
            boost::property_tree::write_json(aStream, aTree);
            pNotifier->libreOfficeKitViewCallback(LOK_CALLBACK_CLIPBOARD_CHANGED,
                                                  OString(aStream.str()));
        }
    }
    catch (const uno::Exception&)
    {
    }
}

// css::uno::XInterface
uno::Any TextDataObject::queryInterface(const uno::Type& rType)
{
    uno::Any aRet = ::cppu::queryInterface(rType, static_cast<datatransfer::XTransferable*>(this));
    return (aRet.hasValue() ? aRet : OWeakObject::queryInterface(rType));
}

// css::datatransfer::XTransferable
uno::Any TextDataObject::getTransferData(const datatransfer::DataFlavor& rFlavor)
{
    SotClipboardFormatId nT = SotExchange::GetFormat(rFlavor);
    if (nT != SotClipboardFormatId::STRING)
    {
        throw datatransfer::UnsupportedFlavorException();
    }
    return uno::Any(maText);
}

uno::Sequence<datatransfer::DataFlavor> TextDataObject::getTransferDataFlavors()
{
    uno::Sequence<datatransfer::DataFlavor> aDataFlavors(1);
    SotExchange::GetFormatDataFlavor(SotClipboardFormatId::STRING, aDataFlavors.getArray()[0]);
    return aDataFlavors;
}

sal_Bool TextDataObject::isDataFlavorSupported(const datatransfer::DataFlavor& rFlavor)
{
    SotClipboardFormatId nT = SotExchange::GetFormat(rFlavor);
    return (nT == SotClipboardFormatId::STRING);
}

} // namespace vcl::unohelper

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