/* -*- 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 <com/sun/star/embed/EmbedStates.hpp>

#include <comphelper/multiinterfacecontainer3.hxx>

#include <intercept.hxx>

#include <docholder.hxx>

#include <commonembobj.hxx>

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

constexpr OUString IU0 = u".uno:Save"_ustr;

constexpr OUString IU1 = u".uno:SaveAll"_ustr;

constexpr OUString IU2 = u".uno:CloseDoc"_ustr;

constexpr OUString IU3 = u".uno:CloseWin"_ustr;

constexpr OUString IU4 = u".uno:CloseFrame"_ustr;

constexpr OUString IU5 = u".uno:SaveAs"_ustr;

class StatusChangeListenerContainer

    : public comphelper::OMultiTypeInterfaceContainerHelperVar3<frame::XStatusListener, OUString>

{

public:

    explicit StatusChangeListenerContainer(osl::Mutex& aMutex)

        :  comphelper::OMultiTypeInterfaceContainerHelperVar3<frame::XStatusListener, OUString>(aMutex)

    {

    }

};

namespace embeddedobj

{

const uno::Sequence< OUString > Interceptor::m_aInterceptedURL{ IU0, IU1, IU2, IU3, IU4, IU5 };

void Interceptor::DisconnectDocHolder()

{

    osl::MutexGuard aGuard( m_aMutex );

    m_pDocHolder = nullptr;

}

Interceptor::Interceptor( embeddedobj::DocumentHolder* pDocHolder )

    : m_pDocHolder( pDocHolder )

{

}

Interceptor::~Interceptor()

{

}

//XDispatch

void SAL_CALL

Interceptor::dispatch(

    const util::URL& URL,

    const uno::Sequence<

    beans::PropertyValue >& Arguments )

{

    osl::MutexGuard aGuard(m_aMutex);

    if( !m_pDocHolder )

        return;

    if(URL.Complete == m_aInterceptedURL[0])

        m_pDocHolder->GetEmbedObject().SaveObject_Impl();

    else if(URL.Complete == m_aInterceptedURL[2] ||

            URL.Complete == m_aInterceptedURL[3] ||

            URL.Complete == m_aInterceptedURL[4])

    {

        try {

            m_pDocHolder->GetEmbedObject().changeState( embed::EmbedStates::RUNNING );

        }

        catch( const uno::Exception& )

        {

        }

    }

    else if ( URL.Complete == m_aInterceptedURL[5] )

    {

        uno::Sequence< beans::PropertyValue > aNewArgs = Arguments;

        sal_Int32 nInd = 0;

        while( nInd < aNewArgs.getLength() )

        {

            if ( aNewArgs[nInd].Name == "SaveTo" )

            {

                aNewArgs.getArray()[nInd].Value <<= true;

                break;

            }

            nInd++;

        }

        if ( nInd == aNewArgs.getLength() )

        {

            aNewArgs.realloc( nInd + 1 );

            auto pNewArgs = aNewArgs.getArray();

            pNewArgs[nInd].Name = "SaveTo";

            pNewArgs[nInd].Value <<= true;

        }

        uno::Reference< frame::XDispatch > xDispatch = m_xSlaveDispatchProvider->queryDispatch(

            URL, u"_self"_ustr, 0 );

        if ( xDispatch.is() )

            xDispatch->dispatch( URL, aNewArgs );

    }

}

void SAL_CALL

Interceptor::addStatusListener(

    const uno::Reference<

    frame::XStatusListener >& Control,

    const util::URL& URL )

{

    if(!Control.is())

        return;

    if(URL.Complete == m_aInterceptedURL[0])

    {   // Save

        frame::FeatureStateEvent aStateEvent;

        aStateEvent.FeatureURL.Complete = m_aInterceptedURL[0];

        aStateEvent.FeatureDescriptor = "Update";

        aStateEvent.IsEnabled = true;

        aStateEvent.Requery = false;

        aStateEvent.State <<= "($1) " + m_pDocHolder->GetTitle();

        Control->statusChanged(aStateEvent);

        {

            osl::MutexGuard aGuard(m_aMutex);

            if(!m_pStatCL)

                m_pStatCL.reset(new StatusChangeListenerContainer(m_aMutex));

        }

        m_pStatCL->addInterface(URL.Complete,Control);

        return;

    }

    sal_Int32 i = 2;

    if(URL.Complete == m_aInterceptedURL[i] ||

       URL.Complete == m_aInterceptedURL[++i] ||

       URL.Complete == m_aInterceptedURL[++i] )

    {   // Close and return

        frame::FeatureStateEvent aStateEvent;

        aStateEvent.FeatureURL.Complete = m_aInterceptedURL[i];

        aStateEvent.FeatureDescriptor = "Close and Return";

        aStateEvent.IsEnabled = true;

        aStateEvent.Requery = false;

        aStateEvent.State <<= "($2)" + m_pDocHolder->GetContainerName();

        Control->statusChanged(aStateEvent);

        {

            osl::MutexGuard aGuard(m_aMutex);

            if(!m_pStatCL)

                m_pStatCL.reset(new StatusChangeListenerContainer(m_aMutex));

        }

        m_pStatCL->addInterface(URL.Complete,Control);

        return;

    }

    if(URL.Complete != m_aInterceptedURL[5])

        return;

// SaveAs

    frame::FeatureStateEvent aStateEvent;

    aStateEvent.FeatureURL.Complete = m_aInterceptedURL[5];

    aStateEvent.FeatureDescriptor = "SaveCopyTo";

    aStateEvent.IsEnabled = true;

    aStateEvent.Requery = false;

    aStateEvent.State <<= u"($3)"_ustr;

    Control->statusChanged(aStateEvent);

    {

        osl::MutexGuard aGuard(m_aMutex);

        if(!m_pStatCL)

            m_pStatCL.reset(new StatusChangeListenerContainer(m_aMutex));

    }

    m_pStatCL->addInterface(URL.Complete,Control);

    return;

}

void SAL_CALL

Interceptor::removeStatusListener(

    const uno::Reference<

    frame::XStatusListener >& Control,

    const util::URL& URL )

{

    if(!(Control.is() && m_pStatCL))

        return;

    else {

        m_pStatCL->removeInterface(URL.Complete,Control);

        return;

    }

}

//XInterceptorInfo

uno::Sequence< OUString >

SAL_CALL

Interceptor::getInterceptedURLs(  )

{

    // now implemented as update

    return m_aInterceptedURL;

}

// XDispatchProvider

uno::Reference< frame::XDispatch > SAL_CALL

Interceptor::queryDispatch(

    const util::URL& URL,

    const OUString& TargetFrameName,

    sal_Int32 SearchFlags )

{

    osl::MutexGuard aGuard(m_aMutex);

    if(URL.Complete == m_aInterceptedURL[0])

        return static_cast<frame::XDispatch*>(this);

    else if(URL.Complete == m_aInterceptedURL[1])

        return nullptr   ;

    else if(URL.Complete == m_aInterceptedURL[2])

        return static_cast<frame::XDispatch*>(this);

    else if(URL.Complete == m_aInterceptedURL[3])

        return static_cast<frame::XDispatch*>(this);

    else if(URL.Complete == m_aInterceptedURL[4])

        return static_cast<frame::XDispatch*>(this);

    else if(URL.Complete == m_aInterceptedURL[5])

        return static_cast<frame::XDispatch*>(this);

    else {

        if(m_xSlaveDispatchProvider.is())

            return m_xSlaveDispatchProvider->queryDispatch(

                URL,TargetFrameName,SearchFlags);

        else

            return uno::Reference<frame::XDispatch>(nullptr);

    }

}

uno::Sequence< uno::Reference< frame::XDispatch > > SAL_CALL

Interceptor::queryDispatches(

    const uno::Sequence<frame::DispatchDescriptor >& Requests )

{

    osl::MutexGuard aGuard(m_aMutex);

    typedef uno::Sequence<uno::Reference<frame::XDispatch>> DispatchSeq;

    DispatchSeq aRet = m_xSlaveDispatchProvider.is()

        ? m_xSlaveDispatchProvider->queryDispatches(Requests)

        : DispatchSeq(Requests.getLength());

    auto aRetRange = asNonConstRange(aRet);

    for(sal_Int32 i = 0; i < Requests.getLength(); ++i)

        if(m_aInterceptedURL[0] == Requests[i].FeatureURL.Complete)

            aRetRange[i] = static_cast<frame::XDispatch*>(this);

        else if(m_aInterceptedURL[1] == Requests[i].FeatureURL.Complete)

            aRetRange[i] = nullptr;

        else if(m_aInterceptedURL[2] == Requests[i].FeatureURL.Complete)

            aRetRange[i] = static_cast<frame::XDispatch*>(this);

        else if(m_aInterceptedURL[3] == Requests[i].FeatureURL.Complete)

            aRetRange[i] = static_cast<frame::XDispatch*>(this);

        else if(m_aInterceptedURL[4] == Requests[i].FeatureURL.Complete)

            aRetRange[i] = static_cast<frame::XDispatch*>(this);

        else if(m_aInterceptedURL[5] == Requests[i].FeatureURL.Complete)

            aRetRange[i] = static_cast<frame::XDispatch*>(this);

    return aRet;

}

//XDispatchProviderInterceptor

uno::Reference< frame::XDispatchProvider > SAL_CALL

Interceptor::getSlaveDispatchProvider(  )

{

    osl::MutexGuard aGuard(m_aMutex);

    return m_xSlaveDispatchProvider;

}

void SAL_CALL

Interceptor::setSlaveDispatchProvider(

    const uno::Reference< frame::XDispatchProvider >& NewDispatchProvider )

{

    osl::MutexGuard aGuard(m_aMutex);

    m_xSlaveDispatchProvider = NewDispatchProvider;

}

uno::Reference< frame::XDispatchProvider > SAL_CALL

Interceptor::getMasterDispatchProvider(  )

{

    osl::MutexGuard aGuard(m_aMutex);

    return m_xMasterDispatchProvider;

}

void SAL_CALL

Interceptor::setMasterDispatchProvider(

    const uno::Reference< frame::XDispatchProvider >& NewSupplier )

{

    osl::MutexGuard aGuard(m_aMutex);

    m_xMasterDispatchProvider = NewSupplier;

}

} // namespace embeddedobj

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