tdf#148635 cache some chart stuff

cache some intermediate stuff that it does a handful of times when
finishing a chart - halves the time taken

Change-Id: I75c5621844d4309b64e64219a7c9e2bcd344ce36
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133173
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx b/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
index 4327297..9c7a2b5 100644
--- a/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
+++ b/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
@@ -1118,7 +1118,8 @@ public:

private: //member
    std::shared_ptr< Chart2ModelContact >   m_spChart2ModelContact;
    mutable Any                                 m_aOuterValue;
    mutable Any                             m_aOuterValue;
    mutable bool                            m_bDetectedRangeSegmentation { false };
};

}
@@ -1172,15 +1173,19 @@ Any WrappedDataRowSourceProperty::getPropertyValue( const Reference< beans::XPro
    bool bHasCategories = true;
    uno::Sequence< sal_Int32 > aSequenceMapping;

    if( DataSourceHelper::detectRangeSegmentation(
            m_spChart2ModelContact->getDocumentModel(), aRangeString, aSequenceMapping, bUseColumns
            , bFirstCellAsLabel, bHasCategories ) )
    if (!m_bDetectedRangeSegmentation)
    {
        css::chart::ChartDataRowSource eChartDataRowSource = css::chart::ChartDataRowSource_ROWS;
        if(bUseColumns)
            eChartDataRowSource = css::chart::ChartDataRowSource_COLUMNS;
        if( DataSourceHelper::detectRangeSegmentation(
                m_spChart2ModelContact->getDocumentModel(), aRangeString, aSequenceMapping, bUseColumns
                , bFirstCellAsLabel, bHasCategories ) )
        {
            css::chart::ChartDataRowSource eChartDataRowSource = css::chart::ChartDataRowSource_ROWS;
            if(bUseColumns)
                eChartDataRowSource = css::chart::ChartDataRowSource_COLUMNS;

        m_aOuterValue <<= eChartDataRowSource;
            m_aOuterValue <<= eChartDataRowSource;
        }
        m_bDetectedRangeSegmentation = true;
    }

    return m_aOuterValue;
diff --git a/sc/inc/chart2uno.hxx b/sc/inc/chart2uno.hxx
index a5e4f53..72a6374 100644
--- a/sc/inc/chart2uno.hxx
+++ b/sc/inc/chart2uno.hxx
@@ -147,6 +147,10 @@ private:
    ScDocument*                 m_pDocument;
    SfxItemPropertySet          m_aPropSet;
    bool                        m_bIncludeHiddenCells;
    css::uno::Reference< css::chart2::data::XDataSource > mxCachedDataSource;
    css::uno::Sequence< css::beans::PropertyValue > maCachedArguments;
    css::uno::Sequence< css::beans::PropertyValue > maCreateDataSourceArguments;
    css::uno::Reference< css::chart2::data::XDataSource > mxCreatedDataSource;
};

// DataSource
diff --git a/sc/source/ui/unoobj/chart2uno.cxx b/sc/source/ui/unoobj/chart2uno.cxx
index adc244b..9ca2e73 100644
--- a/sc/source/ui/unoobj/chart2uno.cxx
+++ b/sc/source/ui/unoobj/chart2uno.cxx
@@ -1403,7 +1403,11 @@ ScChart2DataProvider::createDataSource(
    if ( ! m_pDocument )
        throw uno::RuntimeException();

    uno::Reference< chart2::data::XDataSource> xResult;
    // This is expensive to compute and we get called more than once, so cache
    if (maCreateDataSourceArguments == aArguments)
        return mxCreatedDataSource;
    maCreateDataSourceArguments = aArguments;

    bool bLabel = true;
    bool bCategories = false;
    bool bOrientCol = true;
@@ -1490,7 +1494,7 @@ ScChart2DataProvider::createDataSource(
    const Chart2PositionMap* pChartMap = aChPositioner.getPositionMap();
    if (!pChartMap)
        // No chart position map instance.  Bail out.
        return xResult;
        return mxCreatedDataSource;

    rtl::Reference<ScChart2DataSource> pDS;
    ::std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > aSeqs;
@@ -1568,8 +1572,8 @@ ScChart2DataProvider::createDataSource(
        }
    }

    xResult.set( pDS );
    return xResult;
    mxCreatedDataSource.set(pDS);
    return mxCreatedDataSource;
}

namespace
@@ -1761,6 +1765,10 @@ std::pair<OUString, OUString> constructKey(const uno::Reference< chart2::data::X
uno::Sequence< beans::PropertyValue > SAL_CALL ScChart2DataProvider::detectArguments(
    const uno::Reference< chart2::data::XDataSource >& xDataSource )
{
    // Cache these because this is expensive to compute and we get called more than once
    if (xDataSource == mxCachedDataSource)
        return maCachedArguments;

    ::std::vector< beans::PropertyValue > aResult;
    bool bRowSourceDetected = false;
    bool bFirstCellAsLabel = false;
@@ -2026,7 +2034,10 @@ uno::Sequence< beans::PropertyValue > SAL_CALL ScChart2DataProvider::detectArgum
        }
    }

    return comphelper::containerToSequence( aResult );
    mxCachedDataSource = xDataSource;
    maCachedArguments = comphelper::containerToSequence( aResult );

    return maCachedArguments;
}

sal_Bool SAL_CALL ScChart2DataProvider::createDataSequenceByRangeRepresentationPossible( const OUString& aRangeRepresentation )