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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #ifndef _RETRIEVEDINPUTSTREAMDATA_HXX
20 : #define _RETRIEVEDINPUTSTREAMDATA_HXX
21 :
22 : #include <tools/link.hxx>
23 : #include <sal/types.h>
24 : #include <osl/mutex.hxx>
25 : #include <rtl/instance.hxx>
26 : #include <com/sun/star/uno/Reference.hxx>
27 : #include <com/sun/star/io/XInputStream.hpp>
28 :
29 : #include <map>
30 :
31 : #include <boost/weak_ptr.hpp>
32 :
33 : class SwAsyncRetrieveInputStreamThreadConsumer;
34 :
35 : /** Singleton class to manage retrieved input stream data in Writer
36 :
37 : OD 2007-01-29 #i73788#
38 : The instance of this class provides data container for retrieved input
39 : stream data. The data container is accessed via a key, which the data
40 : manager provides on creation of the data container.
41 : When a certain data container is filled with data, an user event is submitted
42 : to trigger the processing of with data.
43 :
44 : @author OD
45 : */
46 0 : class SwRetrievedInputStreamDataManager
47 : {
48 : public:
49 :
50 : typedef sal_uInt64 tDataKey;
51 :
52 0 : struct tData
53 : {
54 : boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > mpThreadConsumer;
55 : com::sun::star::uno::Reference<com::sun::star::io::XInputStream> mxInputStream;
56 : sal_Bool mbIsStreamReadOnly;
57 :
58 0 : tData()
59 : : mpThreadConsumer(),
60 0 : mbIsStreamReadOnly( sal_False )
61 0 : {};
62 :
63 0 : tData( boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer )
64 : : mpThreadConsumer( pThreadConsumer ),
65 0 : mbIsStreamReadOnly( sal_False )
66 0 : {};
67 : };
68 :
69 : static SwRetrievedInputStreamDataManager& GetManager();
70 :
71 : tDataKey ReserveData( boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer );
72 :
73 : void PushData( const tDataKey nDataKey,
74 : com::sun::star::uno::Reference<com::sun::star::io::XInputStream> xInputStream,
75 : const sal_Bool bIsStreamReadOnly );
76 :
77 : bool PopData( const tDataKey nDataKey,
78 : tData& rData );
79 :
80 : DECL_LINK( LinkedInputStreamReady, SwRetrievedInputStreamDataManager::tDataKey* );
81 :
82 : private:
83 :
84 : static tDataKey mnNextKeyValue;
85 :
86 : osl::Mutex maMutex;
87 :
88 : std::map< tDataKey, tData > maInputStreamData;
89 : };
90 : #endif
91 :
92 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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