libreoffice/fpicker/source/office/fpinteraction.cxx

/* -*- 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 "fpinteraction.hxx"
#include <tools/debug.hxx>
#include <com/sun/star/ucb/InteractiveIOException.hpp>
#include <com/sun/star/task/XInteractionAbort.hpp>
#include <com/sun/star/task/XInteractionApprove.hpp>
#include <com/sun/star/task/XInteractionDisapprove.hpp>
#include <com/sun/star/task/XInteractionRetry.hpp>

//........................................................................
namespace svt
{
//........................................................................
    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::task;
    using namespace ::com::sun::star::ucb;

    //====================================================================
    //= OFilePickerInteractionHandler
    //====================================================================
    DBG_NAME( OFilePickerInteractionHandler )
    //--------------------------------------------------------------------
    OFilePickerInteractionHandler::OFilePickerInteractionHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionHandler >& _rxMaster )
        :m_xMaster( _rxMaster )
        ,m_bUsed( sal_False )
        ,m_eInterceptions( OFilePickerInteractionHandler::E_NOINTERCEPTION )
    {
        DBG_CTOR( OFilePickerInteractionHandler, NULL );
        DBG_ASSERT( m_xMaster.is(), "OFilePickerInteractionHandler::OFilePickerInteractionHandler: invalid master handler!" );
    }

    //--------------------------------------------------------------------
    OFilePickerInteractionHandler::~OFilePickerInteractionHandler( )
    {
        DBG_DTOR( OFilePickerInteractionHandler, NULL );
    }

    //--------------------------------------------------------------------
    void SAL_CALL OFilePickerInteractionHandler::handle( const Reference< XInteractionRequest >& _rxRequest ) throw (RuntimeException)
    {
        if (!_rxRequest.is())
            return;

        m_bUsed = sal_True;

        // extract some generic continuations ... might we need it later
        // if something goes wrong.
        Reference< XInteractionAbort >       xAbort;
        Reference< XInteractionApprove >     xApprove;
        Reference< XInteractionDisapprove >  xDisapprove;
        Reference< XInteractionRetry >       xRetry;

        const Sequence< Reference< XInteractionContinuation > > lConts = _rxRequest->getContinuations();
        const Reference< XInteractionContinuation >*            pConts = lConts.getConstArray();
        for (sal_Int32 i=0; i<lConts.getLength(); ++i)
        {
            if (!xAbort.is())
                xAbort = Reference< XInteractionAbort >(pConts[i], UNO_QUERY);
            if (!xApprove.is())
                xApprove = Reference< XInteractionApprove >(pConts[i], UNO_QUERY);
            if (!xDisapprove.is())
                xDisapprove = Reference< XInteractionDisapprove >(pConts[i], UNO_QUERY);
            if (!xRetry.is())
                xRetry = Reference< XInteractionRetry >(pConts[i], UNO_QUERY);
        }

        // safe the original request for later analyzing!
        m_aException = _rxRequest->getRequest();

        // intercept some interesting interactions

        // The "does not exist" interaction will be supressed here completely.
        if (m_eInterceptions & OFilePickerInteractionHandler::E_DOESNOTEXIST)
        {
            InteractiveIOException aIoException;
            if (
                (m_aException             >>= aIoException     ) &&
                (IOErrorCode_NOT_EXISTING  == aIoException.Code)
               )
            {
                if (xAbort.is())
                    xAbort->select();
                return;
            }
        }

        // no master => abort this operation ...
        if (!m_xMaster.is())
        {
            if (xAbort.is())
                xAbort->select();
            return;
        }

        // forward it to our master - so he can handle all
        // not interesting interactions :-)
        m_xMaster->handle(_rxRequest);
    }

    //--------------------------------------------------------------------
    void OFilePickerInteractionHandler::enableInterceptions( EInterceptedInteractions eInterceptions )
    {
        m_eInterceptions = eInterceptions;
    }

    //--------------------------------------------------------------------
    sal_Bool OFilePickerInteractionHandler::wasUsed() const
    {
        return m_bUsed;
    }

    //--------------------------------------------------------------------
    void OFilePickerInteractionHandler::resetUseState()
    {
        m_bUsed = sal_False;
    }

    //--------------------------------------------------------------------
    void OFilePickerInteractionHandler::forgetRequest()
    {
        m_aException = Any();
    }

    //--------------------------------------------------------------------
    sal_Bool OFilePickerInteractionHandler::wasAccessDenied() const
    {
        InteractiveIOException aIoException;
        if (
            (m_aException              >>= aIoException     ) &&
            (IOErrorCode_ACCESS_DENIED  == aIoException.Code)
           )
        {
            return sal_True;
        }
        return sal_False;
    }

//........................................................................
}   // namespace svt
//........................................................................

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