LibreOffice: uno/current_context.hxx Source File

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current_context.hxx
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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 INCLUDED_UNO_CURRENT_CONTEXT_HXX
20 #define INCLUDED_UNO_CURRENT_CONTEXT_HXX
21
22 #include <uno/current_context.h>
23 #include <uno/lbnames.h>
24
25 #include <com/sun/star/uno/XCurrentContext.hpp>
26
27
28 namespace com
29 {
30 namespace sun
31 {
32 namespace star
33 {
34 namespace uno
35 {
36
44 inline Reference< XCurrentContext > SAL_CALL getCurrentContext()
45 {
46 Reference< XCurrentContext > xRet;
47 ::rtl::OUString aEnvTypeName( CPPU_CURRENT_LANGUAGE_BINDING_NAME );
48 ::uno_getCurrentContext( (void **)&xRet, aEnvTypeName.pData, 0 );
49 return xRet;
50 }
56 inline bool SAL_CALL setCurrentContext(
57 Reference< XCurrentContext > const & xContext )
58 {
59 ::rtl::OUString aEnvTypeName( CPPU_CURRENT_LANGUAGE_BINDING_NAME );
60 return (::uno_setCurrentContext( xContext.get(), aEnvTypeName.pData, 0 ) != sal_False);
61 }
62
67 class ContextLayer
68 {
71 ::rtl::OUString m_aEnvTypeName;
74 Reference< XCurrentContext > m_xPreviousContext;
75
76 public:
81 inline ContextLayer(
82 Reference< XCurrentContext > const & xNewContext = Reference< XCurrentContext >() );
85 inline ~ContextLayer();
86
91 inline Reference< XCurrentContext > SAL_CALL getPreviousContext() const
92 { return m_xPreviousContext; }
93 };
94
95 inline ContextLayer::ContextLayer( Reference< XCurrentContext > const & xNewContext )
96 : m_aEnvTypeName( CPPU_CURRENT_LANGUAGE_BINDING_NAME )
97 {
98 ::uno_getCurrentContext( (void **)&m_xPreviousContext, m_aEnvTypeName.pData, 0 );
99 ::uno_setCurrentContext( xNewContext.get(), m_aEnvTypeName.pData, 0 );
100 }
101
102 inline ContextLayer::~ContextLayer()
103 {
104 ::uno_setCurrentContext( m_xPreviousContext.get(), m_aEnvTypeName.pData, 0 );
105 }
106
107 }
108 }
109 }
110 }
111
112 #endif
113
114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
com::sun::star::uno::getCurrentContext
Reference< XCurrentContext > getCurrentContext()
Getting the current context.
Definition: current_context.hxx:44
com
Definition: types.h:375
com::sun::star::uno::ContextLayer::getPreviousContext
Reference< XCurrentContext > getPreviousContext() const
Gets the previously set context.
Definition: current_context.hxx:91
sal_False
#define sal_False
Definition: types.h:49
com::sun::star::uno::Reference::get
interface_type * get() const
Gets interface pointer.
Definition: Reference.h:410
com::sun::star::uno::ContextLayer::~ContextLayer
~ContextLayer()
Destructor: restores the previous context.
Definition: current_context.hxx:102
uno_getCurrentContext
CPPU_DLLPUBLIC sal_Bool uno_getCurrentContext(void **ppCurrentContext, rtl_uString *pEnvDcp, void *pEnvContext) SAL_THROW_EXTERN_C()
Gets the current task's context.
lbnames.h
rtl::OUString
This String class provides base functionality for C++ like Unicode character array handling...
Definition: ustring.hxx:81
com::sun::star::uno::ContextLayer
Objects of this class are used for applying a current context until they are destructed, i.e.
Definition: current_context.hxx:67
current_context.h
com::sun::star::uno::setCurrentContext
bool setCurrentContext(Reference< XCurrentContext > const &xContext)
Setting the current context.
Definition: current_context.hxx:56
uno_setCurrentContext
CPPU_DLLPUBLIC sal_Bool uno_setCurrentContext(void *pCurrentContext, rtl_uString *pEnvDcp, void *pEnvContext) SAL_THROW_EXTERN_C()
Sets the current task's context.
com::sun::star::uno::ContextLayer::ContextLayer
ContextLayer(Reference< XCurrentContext > const &xNewContext=Reference< XCurrentContext >())
Constructor: Saves the previous context and sets the new (given) one.
Definition: current_context.hxx:95
com::sun::star::uno::Reference< XCurrentContext >