retrievedinputstreamdata.hxx

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#ifndef INCLUDED_SW_SOURCE_CORE_INC_RETRIEVEDINPUTSTREAMDATA_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_RETRIEVEDINPUTSTREAMDATA_HXX

#include <tools/link.hxx>
#include <sal/types.h>
#include <osl/mutex.hxx>
#include <com/sun/star/uno/Reference.hxx>

#include <map>
#include <memory>

namespace com::sun::star::io { class XInputStream; }

class SwAsyncRetrieveInputStreamThreadConsumer;

class SwRetrievedInputStreamDataManager
{
    public:

        typedef sal_uInt64 tDataKey;

        struct tData
        {
            std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > mpThreadConsumer;
            css::uno::Reference<css::io::XInputStream> mxInputStream;
            bool mbIsStreamReadOnly;

            tData()
                : mpThreadConsumer(),
                  mbIsStreamReadOnly( false )
            {};

            tData( std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer )
                : mpThreadConsumer( pThreadConsumer ),
                  mbIsStreamReadOnly( false )
            {};
        };

        static SwRetrievedInputStreamDataManager& GetManager();

        tDataKey ReserveData( std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > const & pThreadConsumer );

        void PushData( const tDataKey nDataKey,
                       css::uno::Reference<css::io::XInputStream> const & xInputStream,
                       const bool bIsStreamReadOnly );

        bool PopData( const tDataKey nDataKey,
                      tData& rData );

        DECL_LINK( LinkedInputStreamReady, void*, void );

    private:

        static tDataKey mnNextKeyValue;

        osl::Mutex maMutex;

        std::map< tDataKey, tData > maInputStreamData;
};
#endif

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