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/* -*- 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 "ChartFrameloader.hxx"
#include <servicenames.hxx>
#include <MediaDescriptorHelper.hxx>
#include <unotools/mediadescriptor.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <com/sun/star/document/XImporter.hpp>
#include <com/sun/star/document/XFilter.hpp>
#include <com/sun/star/frame/XLoadable.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <tools/diagnose_ex.h>

namespace chart
{

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

ChartFrameLoader::ChartFrameLoader(
        uno::Reference<uno::XComponentContext> const & xContext)
        : m_bCancelRequired( false )
{
    m_xCC = xContext;
    m_oCancelFinished.reset();
}

ChartFrameLoader::~ChartFrameLoader()
{
}

bool ChartFrameLoader::impl_checkCancel()
{
    if(m_bCancelRequired)
    {
        m_oCancelFinished.set();
        return true;
    }
    return false;
}

// lang::XServiceInfo

OUString SAL_CALL ChartFrameLoader::getImplementationName()
{
    return OUString(CHART_FRAMELOADER_SERVICE_IMPLEMENTATION_NAME);
}

sal_Bool SAL_CALL ChartFrameLoader::supportsService( const OUString& rServiceName )
{
    return cppu::supportsService(this, rServiceName);
}

css::uno::Sequence< OUString > SAL_CALL ChartFrameLoader::getSupportedServiceNames()
{
    return { CHART_FRAMELOADER_SERVICE_NAME };
}

// frame::XFrameLoader

sal_Bool SAL_CALL ChartFrameLoader::load( const uno::Sequence< beans::PropertyValue >& rMediaDescriptor, const uno::Reference<frame::XFrame >& xFrame )
{
    //@todo ? need to add as terminate listener to desktop?

    uno::Reference< frame::XModel >         xModel;
    bool bHaveLoadedModel = false;

    utl::MediaDescriptor aMediaDescriptor(rMediaDescriptor);
    {
        utl::MediaDescriptor::const_iterator aIt( aMediaDescriptor.find( utl::MediaDescriptor::PROP_MODEL()));
        if( aIt != aMediaDescriptor.end())
        {
            xModel.set( (*aIt).second.get< uno::Reference< frame::XModel > >());
            bHaveLoadedModel = true;
        }
    }

    //create and initialize the model
    if( ! xModel.is())
    {
        //@todo?? load mechanism to cancel during loading of document
        xModel.set(
                m_xCC->getServiceManager()->createInstanceWithContext(
                CHART_MODEL_SERVICE_IMPLEMENTATION_NAME, m_xCC )
                , uno::UNO_QUERY );

        if( impl_checkCancel() )
            return false;
    }

    //create the controller(+XWindow)
    uno::Reference< frame::XController >    xController;
    uno::Reference< awt::XWindow >          xComponentWindow;
    {
        xController.set(
            m_xCC->getServiceManager()->createInstanceWithContext(
            CHART_CONTROLLER_SERVICE_IMPLEMENTATION_NAME,m_xCC )
            , uno::UNO_QUERY );

        //!!!it is a special characteristic of the example application
        //that the controller simultaniously provides the XWindow controller functionality
        xComponentWindow =
                      uno::Reference< awt::XWindow >( xController, uno::UNO_QUERY );

        if( impl_checkCancel() )
            return false;
    }

    //connect frame, controller and model one to each other:
    if(xController.is()&&xModel.is())
    {
        xModel->connectController(xController);
        xModel->setCurrentController(xController);
        xController->attachModel(xModel);
        if(xFrame.is())
            xFrame->setComponent(xComponentWindow,xController);
        //creates the view and menu
        //for correct menu creation the initialized component must be already set into the frame
        xController->attachFrame(xFrame);
    }

    // call initNew() or load() at XLoadable
    if(!bHaveLoadedModel)
        try
        {
            utl::MediaDescriptor::const_iterator aIt( aMediaDescriptor.find( utl::MediaDescriptor::PROP_URL()));
            if( aIt != aMediaDescriptor.end())
            {
                OUString aURL( (*aIt).second.get< OUString >());
                if( aURL.startsWith( "private:factory/schart" ) )
                {
                    // create new file
                    uno::Reference< frame::XLoadable > xLoadable( xModel, uno::UNO_QUERY_THROW );
                    xLoadable->initNew();
                }
                else
                {
                    // use the URL as BaseURL, similar to what SfxBaseModel effectively does
                    if (!aURL.isEmpty())
                    {
                        aMediaDescriptor[utl::MediaDescriptor::PROP_DOCUMENTBASEURL()] <<= aURL;
                    }
                    aMediaDescriptor.addInputStream();
                    uno::Sequence< beans::PropertyValue > aCompleteMediaDescriptor;
                    aMediaDescriptor >> aCompleteMediaDescriptor;
                    apphelper::MediaDescriptorHelper aMDHelper( aCompleteMediaDescriptor );

                    // load file
                    // @todo: replace: aMediaDescriptorHelper.getReducedForModel()
                    uno::Reference< frame::XLoadable > xLoadable( xModel, uno::UNO_QUERY_THROW );
                    xLoadable->load( aCompleteMediaDescriptor );

                    //resize standalone files to get correct size:
                    if( xComponentWindow.is() && aMDHelper.ISSET_FilterName && aMDHelper.FilterName == "StarChart 5.0" )
                    {
                        awt::Rectangle aRect( xComponentWindow->getPosSize() );
                        xComponentWindow->setPosSize( aRect.X, aRect.Y, aRect.Width, aRect.Height, 0 );
                    }
                }
            }
        }
        catch( const uno::Exception & )
        {
            DBG_UNHANDLED_EXCEPTION("chart2");
        }

    return true;
}

void SAL_CALL ChartFrameLoader::cancel()
{
    m_oCancelFinished.reset();
    m_bCancelRequired = true;
    m_oCancelFinished.wait();
    m_bCancelRequired = false;
}

} //namespace chart

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_chart2_ChartFrameLoader_get_implementation(css::uno::XComponentContext *context,<--- The function 'com_sun_star_comp_chart2_ChartFrameLoader_get_implementation' is never used.
                                                             css::uno::Sequence<css::uno::Any> const &)
{
    return cppu::acquire(new chart::ChartFrameLoader(context));
}

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