1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir #ifndef _UNO_CURRENT_CONTEXT_HXX_ 28*cdf0e10cSrcweir #define _UNO_CURRENT_CONTEXT_HXX_ 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir #include <uno/current_context.h> 31*cdf0e10cSrcweir 32*cdf0e10cSrcweir #include <com/sun/star/uno/XCurrentContext.hpp> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir namespace com 36*cdf0e10cSrcweir { 37*cdf0e10cSrcweir namespace sun 38*cdf0e10cSrcweir { 39*cdf0e10cSrcweir namespace star 40*cdf0e10cSrcweir { 41*cdf0e10cSrcweir namespace uno 42*cdf0e10cSrcweir { 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir /** Getting the current context. 45*cdf0e10cSrcweir @attention 46*cdf0e10cSrcweir Don't spread the returned interface around to other threads. Every thread has its own 47*cdf0e10cSrcweir current context. 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir @return current context or null ref, if none is set 50*cdf0e10cSrcweir */ 51*cdf0e10cSrcweir inline Reference< XCurrentContext > SAL_CALL getCurrentContext() 52*cdf0e10cSrcweir SAL_THROW( () ) 53*cdf0e10cSrcweir { 54*cdf0e10cSrcweir Reference< XCurrentContext > xRet; 55*cdf0e10cSrcweir ::rtl::OUString aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) ); 56*cdf0e10cSrcweir ::uno_getCurrentContext( (void **)&xRet, aEnvTypeName.pData, 0 ); 57*cdf0e10cSrcweir return xRet; 58*cdf0e10cSrcweir } 59*cdf0e10cSrcweir /** Setting the current context. 60*cdf0e10cSrcweir 61*cdf0e10cSrcweir @param xContext current context to be set 62*cdf0e10cSrcweir @return true, if context has been successfully set 63*cdf0e10cSrcweir */ 64*cdf0e10cSrcweir inline bool SAL_CALL setCurrentContext( 65*cdf0e10cSrcweir Reference< XCurrentContext > const & xContext ) 66*cdf0e10cSrcweir SAL_THROW( () ) 67*cdf0e10cSrcweir { 68*cdf0e10cSrcweir ::rtl::OUString aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) ); 69*cdf0e10cSrcweir return (::uno_setCurrentContext( xContext.get(), aEnvTypeName.pData, 0 ) != sal_False); 70*cdf0e10cSrcweir } 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir /** Objects of this class are used for applying a current context until they are destructed, i.e. 73*cdf0e10cSrcweir the ctor of this class saves the previous and sets the given context while the dtor restores 74*cdf0e10cSrcweir the previous one upon destruction. 75*cdf0e10cSrcweir */ 76*cdf0e10cSrcweir class ContextLayer 77*cdf0e10cSrcweir { 78*cdf0e10cSrcweir /** this C++ environment type name. 79*cdf0e10cSrcweir @internal 80*cdf0e10cSrcweir */ 81*cdf0e10cSrcweir ::rtl::OUString m_aEnvTypeName; 82*cdf0e10cSrcweir /** previous context 83*cdf0e10cSrcweir @internal 84*cdf0e10cSrcweir */ 85*cdf0e10cSrcweir Reference< XCurrentContext > m_xPreviousContext; 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir public: 88*cdf0e10cSrcweir /** Constructor: Saves the previous context and sets the new (given) one. 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir @param xNewContext new context to be set 91*cdf0e10cSrcweir */ 92*cdf0e10cSrcweir inline ContextLayer( 93*cdf0e10cSrcweir Reference< XCurrentContext > const & xNewContext = Reference< XCurrentContext >() ) 94*cdf0e10cSrcweir SAL_THROW( () ); 95*cdf0e10cSrcweir /** Destructor: restores the previous context. 96*cdf0e10cSrcweir */ 97*cdf0e10cSrcweir inline ~ContextLayer() SAL_THROW( () ); 98*cdf0e10cSrcweir 99*cdf0e10cSrcweir /** Gets the previously set context. 100*cdf0e10cSrcweir 101*cdf0e10cSrcweir @return the previously set context 102*cdf0e10cSrcweir */ 103*cdf0e10cSrcweir inline Reference< XCurrentContext > SAL_CALL getPreviousContext() const 104*cdf0e10cSrcweir SAL_THROW( () ) 105*cdf0e10cSrcweir { return m_xPreviousContext; } 106*cdf0e10cSrcweir }; 107*cdf0e10cSrcweir //__________________________________________________________________________________________________ 108*cdf0e10cSrcweir inline ContextLayer::ContextLayer( Reference< XCurrentContext > const & xNewContext ) 109*cdf0e10cSrcweir SAL_THROW( () ) 110*cdf0e10cSrcweir : m_aEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) ) 111*cdf0e10cSrcweir { 112*cdf0e10cSrcweir ::uno_getCurrentContext( (void **)&m_xPreviousContext, m_aEnvTypeName.pData, 0 ); 113*cdf0e10cSrcweir ::uno_setCurrentContext( xNewContext.get(), m_aEnvTypeName.pData, 0 ); 114*cdf0e10cSrcweir } 115*cdf0e10cSrcweir //__________________________________________________________________________________________________ 116*cdf0e10cSrcweir inline ContextLayer::~ContextLayer() 117*cdf0e10cSrcweir SAL_THROW( () ) 118*cdf0e10cSrcweir { 119*cdf0e10cSrcweir ::uno_setCurrentContext( m_xPreviousContext.get(), m_aEnvTypeName.pData, 0 ); 120*cdf0e10cSrcweir } 121*cdf0e10cSrcweir 122*cdf0e10cSrcweir } 123*cdf0e10cSrcweir } 124*cdf0e10cSrcweir } 125*cdf0e10cSrcweir } 126*cdf0e10cSrcweir 127*cdf0e10cSrcweir #endif 128