pkgdatasupplier.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <rtl/ref.hxx>
#include <ucbhelper/resultset.hxx>
#include <com/sun/star/container/XEnumeration.hpp>
#include <mutex>
#include <utility>
#include <vector>
 
namespace package_ucp {
 
class Content;
 
class DataSupplier : public ::ucbhelper::ResultSetDataSupplier
{
public:
    DataSupplier( css::uno::Reference< css::uno::XComponentContext > xContext,
                  const rtl::Reference< Content >& rContent );
    virtual ~DataSupplier() override;
 
    virtual OUString queryContentIdentifierString( sal_uInt32 nIndex ) override;
    virtual css::uno::Reference< css::ucb::XContentIdentifier >
    queryContentIdentifier( sal_uInt32 nIndex ) override;
    virtual css::uno::Reference< css::ucb::XContent >
    queryContent( sal_uInt32 nIndex ) override;
 
    virtual bool getResult( sal_uInt32 nIndex ) override;
 
    virtual sal_uInt32 totalCount() override;
    virtual sal_uInt32 currentCount() override;
    virtual bool isCountFinal() override;
 
    virtual css::uno::Reference< css::sdbc::XRow >
    queryPropertyValues( sal_uInt32 nIndex  ) override;
    virtual void releasePropertyValues( sal_uInt32 nIndex ) override;
 
    virtual void close() override;
 
    virtual void validate() override;
 
    OUString assembleChildURL( const OUString& aName );
 
private:
    bool getResultImpl( std::unique_lock<std::mutex>&, sal_uInt32 nIndex );
    OUString queryContentIdentifierStringImpl( std::unique_lock<std::mutex>&, sal_uInt32 nIndex );
    css::uno::Reference< css::ucb::XContentIdentifier > queryContentIdentifierImpl( std::unique_lock<std::mutex>&, sal_uInt32 nIndex );
 
    struct ResultListEntry
    {
        OUString                                  aURL;
        css::uno::Reference< css::ucb::XContentIdentifier > xId;
        css::uno::Reference< css::ucb::XContent >           xContent;
        css::uno::Reference< css::sdbc::XRow >              xRow;
 
        explicit ResultListEntry(OUString _aURL ) : aURL(std::move( _aURL )) {}
    };
    std::mutex                                   m_aMutex;
    std::vector< ResultListEntry >               m_aResults;
    rtl::Reference< Content >                    m_xContent;
    css::uno::Reference< css::uno::XComponentContext >     m_xContext;
    css::uno::Reference< css::container::XEnumeration >    m_xFolderEnum;
    bool                                     m_bCountFinal;
    bool                                     m_bThrowException;
};
 
}
 
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