shell/source/backends/gconfbe/gconfbackend.cxx

   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
  20 #include "sal/config.h"
  21
  22 #include <cstddef>
  23
  24 #include "boost/noncopyable.hpp"
  25 #include "com/sun/star/beans/Optional.hpp"
  26 #include "com/sun/star/beans/PropertyVetoException.hpp"
  27 #include "com/sun/star/beans/UnknownPropertyException.hpp"
  28 #include "com/sun/star/beans/XPropertyChangeListener.hpp"
  29 #include "com/sun/star/beans/XPropertySet.hpp"
  30 #include "com/sun/star/beans/XPropertySetInfo.hpp"
  31 #include "com/sun/star/beans/XVetoableChangeListener.hpp"
  32 #include "com/sun/star/lang/IllegalArgumentException.hpp"
  33 #include "com/sun/star/lang/WrappedTargetException.hpp"
  34 #include "com/sun/star/lang/XMultiComponentFactory.hpp"
  35 #include "com/sun/star/lang/XServiceInfo.hpp"
  36 #include "com/sun/star/uno/Any.hxx"
  37 #include "com/sun/star/uno/Reference.hxx"
  38 #include "com/sun/star/uno/RuntimeException.hpp"
  39 #include "com/sun/star/uno/Sequence.hxx"
  40 #include "com/sun/star/uno/XComponentContext.hpp"
  41 #include "com/sun/star/uno/XCurrentContext.hpp"
  42 #include "cppuhelper/factory.hxx"
  43 #include "cppuhelper/implbase2.hxx"
  44 #include "cppuhelper/implementationentry.hxx"
  45 #include "cppuhelper/weak.hxx"
  46 #include "rtl/string.h"
  47 #include "rtl/ustring.h"
  48 #include "rtl/ustring.hxx"
  49 #include "sal/types.h"
  50 #include "uno/current_context.hxx"
  51
  52 #include "gconfaccess.hxx"
  53
  54 namespace {
  55
  56 OUString SAL_CALL getServiceImplementationName() {
  57     return OUString(
  58             "com.sun.star.comp.configuration.backend.GconfBackend");
  59 }
  60
  61 css::uno::Sequence< OUString > SAL_CALL getServiceSupportedServiceNames() {
  62     OUString name(
  63             "com.sun.star.configuration.backend.GconfBackend");
  64     return css::uno::Sequence< OUString >(&name, 1);
  65 }
  66
  67 class Service:
  68     public cppu::WeakImplHelper2<
  69         css::lang::XServiceInfo, css::beans::XPropertySet >,
  70     private boost::noncopyable
  71 {
  72 public:
  73     Service();
  74
  75 private:
  76     virtual ~Service() {}
  77
  78     virtual OUString SAL_CALL getImplementationName()
  79         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  80     { return getServiceImplementationName(); }
  81
  82     virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName)
  83         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  84     { return ServiceName == getSupportedServiceNames()[0]; }
  85
  86     virtual css::uno::Sequence< OUString > SAL_CALL
  87     getSupportedServiceNames() throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  88     { return getServiceSupportedServiceNames(); }
  89
  90     virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
  91     getPropertySetInfo() throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  92     { return css::uno::Reference< css::beans::XPropertySetInfo >(); }
  93
  94     virtual void SAL_CALL setPropertyValue(
  95         OUString const &, css::uno::Any const &)
  96         throw (
  97             css::beans::UnknownPropertyException,
  98             css::beans::PropertyVetoException,
  99             css::lang::IllegalArgumentException,
 100             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 101
 102     virtual css::uno::Any SAL_CALL getPropertyValue(
 103         OUString const & PropertyName)
 104         throw (
 105             css::beans::UnknownPropertyException,
 106             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 107
 108     virtual void SAL_CALL addPropertyChangeListener(
 109         OUString const &,
 110         css::uno::Reference< css::beans::XPropertyChangeListener > const &)
 111         throw (
 112             css::beans::UnknownPropertyException,
 113             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 114     {}
 115
 116     virtual void SAL_CALL removePropertyChangeListener(
 117         OUString const &,
 118         css::uno::Reference< css::beans::XPropertyChangeListener > const &)
 119         throw (
 120             css::beans::UnknownPropertyException,
 121             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 122     {}
 123
 124     virtual void SAL_CALL addVetoableChangeListener(
 125         OUString const &,
 126         css::uno::Reference< css::beans::XVetoableChangeListener > const &)
 127         throw (
 128             css::beans::UnknownPropertyException,
 129             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 130     {}
 131
 132     virtual void SAL_CALL removeVetoableChangeListener(
 133         OUString const &,
 134         css::uno::Reference< css::beans::XVetoableChangeListener > const &)
 135         throw (
 136             css::beans::UnknownPropertyException,
 137             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 138     {}
 139
 140     bool enabled_;
 141 };
 142
 143 Service::Service(): enabled_(false) {
 144     css::uno::Reference< css::uno::XCurrentContext > context(
 145         css::uno::getCurrentContext());
 146     if (context.is()) {
 147         OUString desktop;
 148         context->getValueByName(
 149             OUString("system.desktop-environment")) >>=
 150             desktop;
 151         enabled_ = desktop == "GNOME";
 152     }
 153 }
 154
 155 void Service::setPropertyValue(OUString const &, css::uno::Any const &)
 156     throw (
 157         css::beans::UnknownPropertyException, css::beans::PropertyVetoException,
 158         css::lang::IllegalArgumentException, css::lang::WrappedTargetException,
 159         css::uno::RuntimeException, std::exception)
 160 {
 161     throw css::lang::IllegalArgumentException(
 162         OUString("setPropertyValue not supported"),
 163         static_cast< cppu::OWeakObject * >(this), -1);
 164 }
 165
 166 css::uno::Any Service::getPropertyValue(OUString const & PropertyName)
 167     throw (
 168         css::beans::UnknownPropertyException, css::lang::WrappedTargetException,
 169         css::uno::RuntimeException, std::exception)
 170 {
 171     for (std::size_t i = 0; i < gconfaccess::nConfigurationValues; ++i)
 172     {
 173         if (PropertyName.equalsAsciiL(
 174                 gconfaccess::ConfigurationValues[i].OOoConfItem,
 175                 gconfaccess::ConfigurationValues[i].nOOoConfItemLen))
 176         {
 177             return css::uno::makeAny(
 178                 enabled_
 179                 ? gconfaccess::getValue(gconfaccess::ConfigurationValues[i])
 180                 : css::beans::Optional< css::uno::Any >());
 181         }
 182     }
 183     throw css::beans::UnknownPropertyException(
 184         PropertyName, static_cast< cppu::OWeakObject * >(this));
 185 }
 186
 187 css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance(
 188     SAL_UNUSED_PARAMETER css::uno::Reference< css::uno::XComponentContext >
 189         const &)
 190 {
 191     return static_cast< cppu::OWeakObject * >(new Service);
 192 }
 193
 194 static cppu::ImplementationEntry const services[] = {
 195     { &createInstance, &getServiceImplementationName,
 196       &getServiceSupportedServiceNames, &cppu::createSingleComponentFactory, 0,
 197       0 },
 198     { 0, 0, 0, 0, 0, 0 }
 199 };
 200
 201 }
 202
 203 extern "C" SAL_DLLPUBLIC_EXPORT void * SAL_CALL gconfbe1_component_getFactory(
 204     char const * pImplName, void * pServiceManager, void * pRegistryKey)
 205 {
 206     return cppu::component_getFactoryHelper(
 207         pImplName, pServiceManager, pRegistryKey, services);
 208 }
 209
 210 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */