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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 _UNO_CURRENT_CONTEXT_HXX_
20 #define _UNO_CURRENT_CONTEXT_HXX_
21
22 #include <uno/current_context.h>
23
24 #include <com/sun/star/uno/XCurrentContext.hpp>
25
26
27 namespace com
28 {
29 namespace sun
30 {
31 namespace star
32 {
33 namespace uno
34 {
35
43 inline Reference< XCurrentContext > SAL_CALL getCurrentContext()
44 SAL_THROW(())
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 SAL_THROW(())
59 {
60 ::rtl::OUString aEnvTypeName( CPPU_CURRENT_LANGUAGE_BINDING_NAME );
61 return (::uno_setCurrentContext( xContext.get(), aEnvTypeName.pData, 0 ) != sal_False);
62 }
63
68 class ContextLayer
69 {
72 ::rtl::OUString m_aEnvTypeName;
75 Reference< XCurrentContext > m_xPreviousContext;
76
77 public:
82 inline ContextLayer(
83 Reference< XCurrentContext > const & xNewContext = Reference< XCurrentContext >() )
84 SAL_THROW(());
87 inline ~ContextLayer() SAL_THROW(());
88
93 inline Reference< XCurrentContext > SAL_CALL getPreviousContext() const
94 SAL_THROW(())
95 { return m_xPreviousContext; }
96 };
97 //__________________________________________________________________________________________________
98 inline ContextLayer::ContextLayer( Reference< XCurrentContext > const & xNewContext )
99 SAL_THROW(())
100 : m_aEnvTypeName( CPPU_CURRENT_LANGUAGE_BINDING_NAME )
101 {
102 ::uno_getCurrentContext( (void **)&m_xPreviousContext, m_aEnvTypeName.pData, 0 );
103 ::uno_setCurrentContext( xNewContext.get(), m_aEnvTypeName.pData, 0 );
104 }
105 //__________________________________________________________________________________________________
106 inline ContextLayer::~ContextLayer()
107 SAL_THROW(())
108 {
109 ::uno_setCurrentContext( m_xPreviousContext.get(), m_aEnvTypeName.pData, 0 );
110 }
111
112 }
113 }
114 }
115 }
116
117 #endif
118
119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
com::sun::star::uno::ContextLayer::~ContextLayer
~ContextLayer()
Destructor: restores the previous context.
Definition: current_context.hxx:106
rtl::OUString
This String class provides base functionality for C++ like Unicode character array handling...
Definition: ustring.hxx:87
com::sun::star::uno::Reference::get
interface_type * get() const
Gets interface pointer.
Definition: Reference.h:419
SAL_THROW
#define SAL_THROW(exc)
Definition of function throw clause macros.
Definition: types.h:356
com::sun::star::uno::ContextLayer::getPreviousContext
Reference< XCurrentContext > getPreviousContext() const
Gets the previously set context.
Definition: current_context.hxx:93
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:98
com::sun::star::uno::getCurrentContext
Reference< XCurrentContext > getCurrentContext()
Getting the current context.
Definition: current_context.hxx:43
com::sun::star::uno::setCurrentContext
bool setCurrentContext(Reference< XCurrentContext > const &xContext)
Setting the current context.
Definition: current_context.hxx:56
com::sun::star::uno::Reference< XCurrentContext >
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
Objects of this class are used for applying a current context until they are destructed, i.e.
Definition: current_context.hxx:68
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.
sal_False
#define sal_False
Definition: types.h:38
current_context.h