/* -*- 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 .

 */

#pragma once

#include <config_options.h>

#include <rtl/ref.hxx>

#include <cppuhelper/implbase.hxx>

#include <com/sun/star/ucb/XCommandEnvironment.hpp>

#include <com/sun/star/task/XAbortChannel.hpp>

#include <utility>

#include "dp_misc_api.hxx"

namespace dp_misc

{

inline void progressUpdate(

    OUString const & status,

    css::uno::Reference<css::ucb::XCommandEnvironment> const & xCmdEnv )

{

    if (xCmdEnv.is()) {

        css::uno::Reference<css::ucb::XProgressHandler> xProgressHandler(

            xCmdEnv->getProgressHandler() );

        if (xProgressHandler.is()) {

            xProgressHandler->update( css::uno::Any(status) );

        }

    }

}

class ProgressLevel

{

    css::uno::Reference<css::ucb::XProgressHandler> m_xProgressHandler;

public:

    inline ~ProgressLevel();

    inline ProgressLevel(

        css::uno::Reference<css::ucb::XCommandEnvironment> const & xCmdEnv,

        OUString const & status );

    inline void update( OUString const & status ) const;

    inline void update( css::uno::Any const & status ) const;

};

inline ProgressLevel::ProgressLevel(

    css::uno::Reference< css::ucb::XCommandEnvironment > const & xCmdEnv,

    OUString const & status )

{

    if (xCmdEnv.is())

        m_xProgressHandler = xCmdEnv->getProgressHandler();

    if (m_xProgressHandler.is())

        m_xProgressHandler->push( css::uno::Any(status) );

}

inline ProgressLevel::~ProgressLevel()

{

    if (m_xProgressHandler.is())

        m_xProgressHandler->pop();

}

inline void ProgressLevel::update( OUString const & status ) const

{

    if (m_xProgressHandler.is())

        m_xProgressHandler->update( css::uno::Any(status) );

}

inline void ProgressLevel::update( css::uno::Any const & status ) const

{

    if (m_xProgressHandler.is())

        m_xProgressHandler->update( status );

}

/** @return true if ia handler is present and any selection has been chosen

 */

DESKTOP_DEPLOYMENTMISC_DLLPUBLIC bool interactContinuation(

    css::uno::Any const & request,

    css::uno::Type const & continuation,

    css::uno::Reference<css::ucb::XCommandEnvironment> const & xCmdEnv,

    bool * pcont, bool * pabort );

class UNLESS_MERGELIBS(DESKTOP_DEPLOYMENTMISC_DLLPUBLIC) AbortChannel :

    public ::cppu::WeakImplHelper<css::task::XAbortChannel>

{

    bool m_aborted;

    css::uno::Reference<css::task::XAbortChannel> m_xNext;

public:

    AbortChannel() : m_aborted( false ) {}

    static AbortChannel * get(

        css::uno::Reference<css::task::XAbortChannel> const & xAbortChannel )

        { return static_cast<AbortChannel *>(xAbortChannel.get()); }

    bool isAborted() const { return m_aborted; }

    // XAbortChannel

    virtual void SAL_CALL sendAbort() override;

    class SAL_DLLPRIVATE Chain

    {

        const ::rtl::Reference<AbortChannel> m_abortChannel;

    public:

        Chain(

            ::rtl::Reference<AbortChannel> abortChannel,

            css::uno::Reference<css::task::XAbortChannel> const & xNext )

            : m_abortChannel(std::move( abortChannel ))

            { if (m_abortChannel.is()) m_abortChannel->m_xNext = xNext; }

        ~Chain()

            { if (m_abortChannel.is()) m_abortChannel->m_xNext.clear(); }

    };

    friend class Chain;

};

}

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