/* -*- 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 <config_features.h>

#include <config_fuzzers.h>

#include <cmdid.h>

#include <com/sun/star/scanner/XScannerManager2.hpp>

#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>

#include <comphelper/propertysequence.hxx>

#include <comphelper/servicehelper.hxx>

#include <vcl/weld/MessageDialog.hxx>

#include <vcl/svapp.hxx>

#include <sfx2/viewfrm.hxx>

#include <sfx2/bindings.hxx>

#include <sfx2/docfile.hxx>

#include <sfx2/docinsert.hxx>

#include <sfx2/request.hxx>

#include <uivwimp.hxx>

#include <unotxvw.hxx>

#include <unodispatch.hxx>

#include <swmodule.hxx>

#include <swdtflvr.hxx>

#include <strings.hrc>

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

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

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

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

using namespace ::com::sun::star::datatransfer::clipboard;

SwView_Impl::SwView_Impl(SwView* pShell)

    : m_pView(pShell)

    , m_eShellMode(ShellMode::Text)

    , m_nParam(0)

    , m_bSelectObject(false)

    , m_bEditingPositionSet(false)

{

    mxXTextView = new SwXTextView(m_pView);

    m_xDispatchProviderInterceptor = new SwXDispatchProviderInterceptor(*m_pView);

}

SwView_Impl::~SwView_Impl()

{

    if(m_xDispatchProviderInterceptor)

        m_xDispatchProviderInterceptor->Invalidate();

    mxXTextView->Invalidate();

    mxXTextView.clear();

    if( mxScanEvtLstnr.is() )

           mxScanEvtLstnr->ViewDestroyed();

    if( mxClipEvtLstnr.is() )

    {

        mxClipEvtLstnr->AddRemoveListener( false );

        mxClipEvtLstnr->ViewDestroyed();

    }

    DisconnectTransferableDDE();

#if HAVE_FEATURE_DBCONNECTIVITY && !ENABLE_FUZZERS

    m_xConfigItem.reset();

#endif

    m_pDocInserter.reset();

    m_pRequest.reset();

}

void SwView_Impl::SetShellMode(ShellMode eSet)

{

    m_eShellMode = eSet;

}

view::XSelectionSupplier*   SwView_Impl::GetUNOObject()

{

    return mxXTextView.get();

}

SwXTextView*    SwView_Impl::GetUNOObject_Impl()

{

    return mxXTextView.get();

}

void SwView_Impl::ExecuteScan( SfxRequest& rReq )

{

    switch(rReq.GetSlot())

    {

        case SID_TWAIN_SELECT:

        {

            bool bDone = false;

            Reference<XScannerManager2> xScanMgr = SwModule::get()->GetScannerManager();

            if( xScanMgr.is() )

            {

                try

                {

                    SwScannerEventListener& rListener = GetScannerEventListener();

                    const Sequence< ScannerContext >

                        aContexts( xScanMgr->getAvailableScanners() );

                    if( aContexts.hasElements() )

                    {

                        Reference< XEventListener > xLstner = &rListener;

                        ScannerContext aContext( aContexts.getConstArray()[ 0 ] );

                        Reference<lang::XInitialization> xInit(xScanMgr, UNO_QUERY);

                        if (xInit.is())

                        {

                            //  initialize dialog

                            weld::Window* pWindow = rReq.GetFrameWeld();

                            uno::Sequence<uno::Any> aSeq(comphelper::InitAnyPropertySequence(

                            {

                                {"ParentWindow", pWindow ? uno::Any(pWindow->GetXWindow()) : uno::Any(Reference<awt::XWindow>())}

                            }));

                            xInit->initialize( aSeq );

                        }

                        bDone = xScanMgr->configureScannerAndScan( aContext, xLstner );

                    }

                }

                catch(...)

                {

                }

            }

            if( bDone )

                rReq.Done();

            else

            {

                rReq.Ignore();

            }

        }

        break;

        case SID_TWAIN_TRANSFER:

        {

            bool bDone = false;

            Reference<XScannerManager2> xScanMgr = SwModule::get()->GetScannerManager();

            if( xScanMgr.is() )

            {

                SwScannerEventListener& rListener = GetScannerEventListener();

                try

                {

                    const Sequence< scanner::ScannerContext >aContexts( xScanMgr->getAvailableScanners() );

                    if( aContexts.hasElements() )

                    {

                        Reference< XEventListener > xLstner = &rListener;

                        xScanMgr->startScan( aContexts.getConstArray()[ 0 ], xLstner );

                        bDone = true;

                    }

                }

                catch(...)

                {

                }

            }

            if( !bDone )

            {

                std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(rReq.GetFrameWeld(),

                                                          VclMessageType::Info, VclButtonsType::Ok,

                                                          SwResId(STR_SCAN_NOSOURCE)));

                xBox->run();

                rReq.Ignore();

            }

            else

            {

                rReq.Done();

                SfxBindings& rBind = m_pView->GetViewFrame().GetBindings();

                rBind.Invalidate( SID_TWAIN_SELECT );

                rBind.Invalidate( SID_TWAIN_TRANSFER );

            }

        }

        break;

    }

}

SwScannerEventListener& SwView_Impl::GetScannerEventListener()

{

    if(!mxScanEvtLstnr.is())

        mxScanEvtLstnr = new SwScannerEventListener(*m_pView);

    return *mxScanEvtLstnr;

}

void SwView_Impl::AddClipboardListener()

{

    if(!mxClipEvtLstnr.is())

    {

        mxClipEvtLstnr = new SwClipboardChangeListener( *m_pView );

        mxClipEvtLstnr->AddRemoveListener( true );

    }

}

void SwView_Impl::Invalidate()

{

    GetUNOObject_Impl()->Invalidate();

    for (const auto& xTransferable: mxTransferables)

    {

        rtl::Reference<SwTransferable> pTransferable = xTransferable.get();

        if(pTransferable)

            pTransferable->Invalidate();

    }

}

void SwView_Impl::DisconnectTransferableDDE()

{

    for (const auto& xTransferable: mxTransferables)

    {

        rtl::Reference<SwTransferable> pTransferable = xTransferable.get();

        if(pTransferable)

            pTransferable->DisconnectDDE();

    }

}

void SwView_Impl::AddTransferable(SwTransferable& rTransferable)

{

    //prevent removing of the non-referenced SwTransferable

    osl_atomic_increment(&rTransferable.m_refCount);

    {

        // Remove previously added, but no longer existing weak references.

        std::erase_if(mxTransferables,

            [](const unotools::WeakReference<SwTransferable>& rTunnel) {

                return !rTunnel.get();

            });

        mxTransferables.emplace_back(&rTransferable);

    }

    osl_atomic_decrement(&rTransferable.m_refCount);

}

void SwView_Impl::StartDocumentInserter(

    const OUString& rFactory,

    const Link<sfx2::FileDialogHelper*,void>& rEndDialogHdl,

    const sal_uInt16 nSlotId

)

{

    sfx2::DocumentInserter::Mode mode {sfx2::DocumentInserter::Mode::Insert};

    switch( nSlotId )

    {

        case SID_DOCUMENT_MERGE:

            mode = sfx2::DocumentInserter::Mode::Merge;

            break;

        case SID_DOCUMENT_COMPARE:

            mode = sfx2::DocumentInserter::Mode::Compare;

            break;

        default:

            break;

    }

    m_pDocInserter.reset(new ::sfx2::DocumentInserter(m_pView->GetFrameWeld(), rFactory, mode));

    m_pDocInserter->StartExecuteModal( rEndDialogHdl );

}

std::unique_ptr<SfxMedium> SwView_Impl::CreateMedium()

{

    return m_pDocInserter->CreateMedium();

}

void SwView_Impl::InitRequest( const SfxRequest& rRequest )

{

    m_pRequest.reset(new SfxRequest( rRequest ));

}

SwScannerEventListener::~SwScannerEventListener()

{

}

void SAL_CALL SwScannerEventListener::disposing( const EventObject& /*rEventObject*/)

{

#if defined(_WIN32) || defined UNX

    SolarMutexGuard aGuard;

    if( m_pView )

        m_pView->ScannerEventHdl();

#endif

}

SwClipboardChangeListener::~SwClipboardChangeListener()

{

}

void SAL_CALL SwClipboardChangeListener::disposing( const EventObject& /*rEventObject*/ )

{

    SolarMutexGuard aGuard;

    m_pView = nullptr; // so we don't touch the view if changedContents somehow fires afterwards

}

void SAL_CALL SwClipboardChangeListener::changedContents( const css::datatransfer::clipboard::ClipboardEvent& rEventObject )

{

    const SolarMutexGuard aGuard;

    if( !m_pView )

        return;

    {

        TransferableDataHelper aDataHelper( rEventObject.Contents );

        SwWrtShell& rSh = m_pView->GetWrtShell();

        m_pView->m_nLastPasteDestination = SwTransferable::GetSotDestination( rSh );

        m_pView->m_bPasteState = aDataHelper.GetXTransferable().is() &&

                        SwTransferable::IsPaste( rSh, aDataHelper );

        m_pView->m_bPasteSpecialState = aDataHelper.GetXTransferable().is() &&

                    SwTransferable::IsPasteSpecial( rSh, aDataHelper );

    }

    SfxBindings& rBind = m_pView->GetViewFrame().GetBindings();

    rBind.Invalidate( SID_PASTE );

    rBind.Invalidate( SID_PASTE_SPECIAL );

    rBind.Invalidate( SID_CLIPBOARD_FORMAT_ITEMS );

}

void SwClipboardChangeListener::AddRemoveListener( bool bAdd )

{

    m_pView->AddRemoveClipboardListener( Reference< XClipboardListener >( this ), bAdd );

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */