1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <retrievedinputstreamdata.hxx>
#include <retrieveinputstreamconsumer.hxx>
#include <vcl/svapp.hxx>
// #i73788#
SwRetrievedInputStreamDataManager::tDataKey SwRetrievedInputStreamDataManager::mnNextKeyValue = 1;
namespace
{
class theSwRetrievedInputStreamDataManager :
public rtl::Static< SwRetrievedInputStreamDataManager, theSwRetrievedInputStreamDataManager>
{
};
}
SwRetrievedInputStreamDataManager& SwRetrievedInputStreamDataManager::GetManager()
{
return theSwRetrievedInputStreamDataManager::get();
}
SwRetrievedInputStreamDataManager::tDataKey SwRetrievedInputStreamDataManager::ReserveData(
std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer )
{
osl::MutexGuard aGuard(maMutex);
// create empty data container for given thread Consumer
tDataKey nDataKey( mnNextKeyValue );
tData aNewEntry( pThreadConsumer );
maInputStreamData[ nDataKey ] = aNewEntry;
// prepare next data key value
if ( mnNextKeyValue < SAL_MAX_UINT64 )
{
++mnNextKeyValue;
}
else
{
mnNextKeyValue = 1;
}
return nDataKey;
}
void SwRetrievedInputStreamDataManager::PushData(
const tDataKey nDataKey,
css::uno::Reference<css::io::XInputStream> const & xInputStream,
const bool bIsStreamReadOnly )
{
osl::MutexGuard aGuard(maMutex);
std::map< tDataKey, tData >::iterator aIter = maInputStreamData.find( nDataKey );
if ( aIter != maInputStreamData.end() )
{
// Fill data container.
(*aIter).second.mxInputStream = xInputStream;
(*aIter).second.mbIsStreamReadOnly = bIsStreamReadOnly;
// post user event to process the retrieved input stream data
if ( GetpApp() )
{
tDataKey* pDataKey = new tDataKey;
*pDataKey = nDataKey;
Application::PostUserEvent( LINK( this, SwRetrievedInputStreamDataManager, LinkedInputStreamReady ), pDataKey );
}
else
{
// no application available -> discard data
maInputStreamData.erase( aIter );
}
}
}
bool SwRetrievedInputStreamDataManager::PopData( const tDataKey nDataKey,
tData& rData )
{
osl::MutexGuard aGuard(maMutex);
bool bDataProvided( false );
std::map< tDataKey, tData >::iterator aIter = maInputStreamData.find( nDataKey );
if ( aIter != maInputStreamData.end() )
{
rData.mpThreadConsumer = (*aIter).second.mpThreadConsumer;
rData.mxInputStream = (*aIter).second.mxInputStream;
rData.mbIsStreamReadOnly = (*aIter).second.mbIsStreamReadOnly;
maInputStreamData.erase( aIter );
bDataProvided = true;
}
return bDataProvided;
}
/** callback function, which is triggered by input stream data manager on
filling of the data container to provide retrieved input stream to the
thread Consumer using <Application::PostUserEvent(..)>
#i73788#
Note: This method has to be run in the main thread.
*/
IMPL_LINK_TYPED( SwRetrievedInputStreamDataManager,
LinkedInputStreamReady,
void*, p, void )
{
SwRetrievedInputStreamDataManager::tDataKey* pDataKey = static_cast<SwRetrievedInputStreamDataManager::tDataKey*>(p);
if ( !pDataKey )
{
return;
}
osl::MutexGuard aGuard(maMutex);
SwRetrievedInputStreamDataManager& rDataManager =
SwRetrievedInputStreamDataManager::GetManager();
SwRetrievedInputStreamDataManager::tData aInputStreamData;
if ( rDataManager.PopData( *pDataKey, aInputStreamData ) )
{
std::shared_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer =
aInputStreamData.mpThreadConsumer.lock();
if ( pThreadConsumer )
{
pThreadConsumer->ApplyInputStream( aInputStreamData.mxInputStream,
aInputStreamData.mbIsStreamReadOnly );
}
}
delete pDataKey;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|