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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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      28                 :            : #ifndef _RETRIEVEDINPUTSTREAMDATA_HXX
      29                 :            : #define _RETRIEVEDINPUTSTREAMDATA_HXX
      30                 :            : 
      31                 :            : #include <tools/link.hxx>
      32                 :            : #include <sal/types.h>
      33                 :            : #include <osl/mutex.hxx>
      34                 :            : #include <rtl/instance.hxx>
      35                 :            : #include <com/sun/star/uno/Reference.hxx>
      36                 :            : #include <com/sun/star/io/XInputStream.hpp>
      37                 :            : 
      38                 :            : #include <map>
      39                 :            : 
      40                 :            : #include <boost/weak_ptr.hpp>
      41                 :            : 
      42                 :            : class SwAsyncRetrieveInputStreamThreadConsumer;
      43                 :            : 
      44                 :            : /** Singleton class to manage retrieved input stream data in Writer
      45                 :            : 
      46                 :            :     OD 2007-01-29 #i73788#
      47                 :            :     The instance of this class provides data container for retrieved input
      48                 :            :     stream data. The data container is accessed via a key, which the data
      49                 :            :     manager provides on creation of the data container.
      50                 :            :     When a certain data container is filled with data, an user event is submitted
      51                 :            :     to trigger the processing of with data.
      52                 :            : 
      53                 :            :     @author OD
      54                 :            : */
      55         [ +  - ]:          4 : class SwRetrievedInputStreamDataManager
      56                 :            : {
      57                 :            :     public:
      58                 :            : 
      59                 :            :         typedef sal_uInt64 tDataKey;
      60                 :            : 
      61                 :         64 :         struct tData
      62                 :            :         {
      63                 :            :             boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > mpThreadConsumer;
      64                 :            :             com::sun::star::uno::Reference<com::sun::star::io::XInputStream> mxInputStream;
      65                 :            :             sal_Bool mbIsStreamReadOnly;
      66                 :            : 
      67                 :         16 :             tData()
      68                 :            :                 : mpThreadConsumer(),
      69                 :         16 :                   mbIsStreamReadOnly( sal_False )
      70                 :         16 :             {};
      71                 :            : 
      72                 :          8 :             tData( boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer )
      73                 :            :                 : mpThreadConsumer( pThreadConsumer ),
      74                 :          8 :                   mbIsStreamReadOnly( sal_False )
      75                 :          8 :             {};
      76                 :            :         };
      77                 :            : 
      78                 :            :         static SwRetrievedInputStreamDataManager& GetManager();
      79                 :            : 
      80                 :            :         tDataKey ReserveData( boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer );
      81                 :            : 
      82                 :            :         void PushData( const tDataKey nDataKey,
      83                 :            :                        com::sun::star::uno::Reference<com::sun::star::io::XInputStream> xInputStream,
      84                 :            :                        const sal_Bool bIsStreamReadOnly );
      85                 :            : 
      86                 :            :         bool PopData( const tDataKey nDataKey,
      87                 :            :                       tData& rData );
      88                 :            : 
      89                 :            :         DECL_LINK( LinkedInputStreamReady, SwRetrievedInputStreamDataManager::tDataKey* );
      90                 :            : 
      91                 :            :     private:
      92                 :            : 
      93                 :            :         static tDataKey mnNextKeyValue;
      94                 :            : 
      95                 :            :         osl::Mutex maMutex;
      96                 :            : 
      97                 :            :         std::map< tDataKey, tData > maInputStreamData;
      98                 :            : };
      99                 :            : #endif
     100                 :            : 
     101                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */