1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski #ifndef _UNO_CURRENT_CONTEXT_HXX_
24*b1cdbd2cSJim Jagielski #define _UNO_CURRENT_CONTEXT_HXX_
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielski #include <uno/current_context.h>
27*b1cdbd2cSJim Jagielski
28*b1cdbd2cSJim Jagielski #include <com/sun/star/uno/XCurrentContext.hpp>
29*b1cdbd2cSJim Jagielski
30*b1cdbd2cSJim Jagielski
31*b1cdbd2cSJim Jagielski namespace com
32*b1cdbd2cSJim Jagielski {
33*b1cdbd2cSJim Jagielski namespace sun
34*b1cdbd2cSJim Jagielski {
35*b1cdbd2cSJim Jagielski namespace star
36*b1cdbd2cSJim Jagielski {
37*b1cdbd2cSJim Jagielski namespace uno
38*b1cdbd2cSJim Jagielski {
39*b1cdbd2cSJim Jagielski
40*b1cdbd2cSJim Jagielski /** Getting the current context.
41*b1cdbd2cSJim Jagielski @attention
42*b1cdbd2cSJim Jagielski Don't spread the returned interface around to other threads. Every thread has its own
43*b1cdbd2cSJim Jagielski current context.
44*b1cdbd2cSJim Jagielski
45*b1cdbd2cSJim Jagielski @return current context or null ref, if none is set
46*b1cdbd2cSJim Jagielski */
getCurrentContext()47*b1cdbd2cSJim Jagielski inline Reference< XCurrentContext > SAL_CALL getCurrentContext()
48*b1cdbd2cSJim Jagielski SAL_THROW( () )
49*b1cdbd2cSJim Jagielski {
50*b1cdbd2cSJim Jagielski Reference< XCurrentContext > xRet;
51*b1cdbd2cSJim Jagielski ::rtl::OUString aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) );
52*b1cdbd2cSJim Jagielski ::uno_getCurrentContext( (void **)&xRet, aEnvTypeName.pData, 0 );
53*b1cdbd2cSJim Jagielski return xRet;
54*b1cdbd2cSJim Jagielski }
55*b1cdbd2cSJim Jagielski /** Setting the current context.
56*b1cdbd2cSJim Jagielski
57*b1cdbd2cSJim Jagielski @param xContext current context to be set
58*b1cdbd2cSJim Jagielski @return true, if context has been successfully set
59*b1cdbd2cSJim Jagielski */
setCurrentContext(Reference<XCurrentContext> const & xContext)60*b1cdbd2cSJim Jagielski inline bool SAL_CALL setCurrentContext(
61*b1cdbd2cSJim Jagielski Reference< XCurrentContext > const & xContext )
62*b1cdbd2cSJim Jagielski SAL_THROW( () )
63*b1cdbd2cSJim Jagielski {
64*b1cdbd2cSJim Jagielski ::rtl::OUString aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) );
65*b1cdbd2cSJim Jagielski return (::uno_setCurrentContext( xContext.get(), aEnvTypeName.pData, 0 ) != sal_False);
66*b1cdbd2cSJim Jagielski }
67*b1cdbd2cSJim Jagielski
68*b1cdbd2cSJim Jagielski /** Objects of this class are used for applying a current context until they are destructed, i.e.
69*b1cdbd2cSJim Jagielski the ctor of this class saves the previous and sets the given context while the dtor restores
70*b1cdbd2cSJim Jagielski the previous one upon destruction.
71*b1cdbd2cSJim Jagielski */
72*b1cdbd2cSJim Jagielski class ContextLayer
73*b1cdbd2cSJim Jagielski {
74*b1cdbd2cSJim Jagielski /** this C++ environment type name.
75*b1cdbd2cSJim Jagielski @internal
76*b1cdbd2cSJim Jagielski */
77*b1cdbd2cSJim Jagielski ::rtl::OUString m_aEnvTypeName;
78*b1cdbd2cSJim Jagielski /** previous context
79*b1cdbd2cSJim Jagielski @internal
80*b1cdbd2cSJim Jagielski */
81*b1cdbd2cSJim Jagielski Reference< XCurrentContext > m_xPreviousContext;
82*b1cdbd2cSJim Jagielski
83*b1cdbd2cSJim Jagielski public:
84*b1cdbd2cSJim Jagielski /** Constructor: Saves the previous context and sets the new (given) one.
85*b1cdbd2cSJim Jagielski
86*b1cdbd2cSJim Jagielski @param xNewContext new context to be set
87*b1cdbd2cSJim Jagielski */
88*b1cdbd2cSJim Jagielski inline ContextLayer(
89*b1cdbd2cSJim Jagielski Reference< XCurrentContext > const & xNewContext = Reference< XCurrentContext >() )
90*b1cdbd2cSJim Jagielski SAL_THROW( () );
91*b1cdbd2cSJim Jagielski /** Destructor: restores the previous context.
92*b1cdbd2cSJim Jagielski */
93*b1cdbd2cSJim Jagielski inline ~ContextLayer() SAL_THROW( () );
94*b1cdbd2cSJim Jagielski
95*b1cdbd2cSJim Jagielski /** Gets the previously set context.
96*b1cdbd2cSJim Jagielski
97*b1cdbd2cSJim Jagielski @return the previously set context
98*b1cdbd2cSJim Jagielski */
getPreviousContext() const99*b1cdbd2cSJim Jagielski inline Reference< XCurrentContext > SAL_CALL getPreviousContext() const
100*b1cdbd2cSJim Jagielski SAL_THROW( () )
101*b1cdbd2cSJim Jagielski { return m_xPreviousContext; }
102*b1cdbd2cSJim Jagielski };
103*b1cdbd2cSJim Jagielski //__________________________________________________________________________________________________
ContextLayer(Reference<XCurrentContext> const & xNewContext)104*b1cdbd2cSJim Jagielski inline ContextLayer::ContextLayer( Reference< XCurrentContext > const & xNewContext )
105*b1cdbd2cSJim Jagielski SAL_THROW( () )
106*b1cdbd2cSJim Jagielski : m_aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) )
107*b1cdbd2cSJim Jagielski {
108*b1cdbd2cSJim Jagielski ::uno_getCurrentContext( (void **)&m_xPreviousContext, m_aEnvTypeName.pData, 0 );
109*b1cdbd2cSJim Jagielski ::uno_setCurrentContext( xNewContext.get(), m_aEnvTypeName.pData, 0 );
110*b1cdbd2cSJim Jagielski }
111*b1cdbd2cSJim Jagielski //__________________________________________________________________________________________________
~ContextLayer()112*b1cdbd2cSJim Jagielski inline ContextLayer::~ContextLayer()
113*b1cdbd2cSJim Jagielski SAL_THROW( () )
114*b1cdbd2cSJim Jagielski {
115*b1cdbd2cSJim Jagielski ::uno_setCurrentContext( m_xPreviousContext.get(), m_aEnvTypeName.pData, 0 );
116*b1cdbd2cSJim Jagielski }
117*b1cdbd2cSJim Jagielski
118*b1cdbd2cSJim Jagielski }
119*b1cdbd2cSJim Jagielski }
120*b1cdbd2cSJim Jagielski }
121*b1cdbd2cSJim Jagielski }
122*b1cdbd2cSJim Jagielski
123*b1cdbd2cSJim Jagielski #endif
124