shell/source/backends/desktopbe/desktopbackend.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 "boost/noncopyable.hpp"
  23 #include "com/sun/star/beans/Optional.hpp"
  24 #include "com/sun/star/beans/PropertyVetoException.hpp"
  25 #include "com/sun/star/beans/UnknownPropertyException.hpp"
  26 #include "com/sun/star/beans/XPropertyChangeListener.hpp"
  27 #include "com/sun/star/beans/XPropertySet.hpp"
  28 #include "com/sun/star/beans/XPropertySetInfo.hpp"
  29 #include "com/sun/star/beans/XVetoableChangeListener.hpp"
  30 #include "com/sun/star/lang/IllegalArgumentException.hpp"
  31 #include "com/sun/star/lang/WrappedTargetException.hpp"
  32 #include "com/sun/star/lang/XMultiComponentFactory.hpp"
  33 #include "com/sun/star/lang/XServiceInfo.hpp"
  34 #include "com/sun/star/uno/Any.hxx"
  35 #include "com/sun/star/uno/Exception.hpp"
  36 #include "com/sun/star/uno/Reference.hxx"
  37 #include "com/sun/star/uno/RuntimeException.hpp"
  38 #include "com/sun/star/uno/Sequence.hxx"
  39 #include "com/sun/star/uno/XComponentContext.hpp"
  40 #include "com/sun/star/uno/XCurrentContext.hpp"
  41 #include "cppuhelper/factory.hxx"
  42 #include "cppuhelper/implbase2.hxx"
  43 #include "cppuhelper/implementationentry.hxx"
  44 #include "cppuhelper/weak.hxx"
  45 #include "osl/diagnose.h"
  46 #include "rtl/string.h"
  47 #include "rtl/textenc.h"
  48 #include "rtl/ustring.h"
  49 #include "rtl/ustring.hxx"
  50 #include "sal/types.h"
  51 #include "uno/current_context.hxx"
  52
  53 namespace {
  54
  55 OUString SAL_CALL getDefaultImplementationName() {
  56     return OUString(
  57             "com.sun.star.comp.configuration.backend.DesktopBackend");
  58 }
  59
  60 css::uno::Sequence< OUString > SAL_CALL getDefaultSupportedServiceNames() {
  61     OUString name(
  62             "com.sun.star.configuration.backend.DesktopBackend");
  63     return css::uno::Sequence< OUString >(&name, 1);
  64 }
  65
  66 class Default:
  67     public cppu::WeakImplHelper2<
  68         css::lang::XServiceInfo, css::beans::XPropertySet >,
  69     private boost::noncopyable
  70 {
  71 public:
  72     Default() {}
  73
  74 private:
  75     virtual ~Default() {}
  76
  77     virtual OUString SAL_CALL getImplementationName()
  78         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  79     { return getDefaultImplementationName(); }
  80
  81     virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName)
  82         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  83     { return ServiceName == getSupportedServiceNames()[0]; }
  84
  85     virtual css::uno::Sequence< OUString > SAL_CALL
  86     getSupportedServiceNames() throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  87     { return getDefaultSupportedServiceNames(); }
  88
  89     virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
  90     getPropertySetInfo() throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
  91     { return css::uno::Reference< css::beans::XPropertySetInfo >(); }
  92
  93     virtual void SAL_CALL setPropertyValue(
  94         OUString const &, css::uno::Any const &)
  95         throw (
  96             css::beans::UnknownPropertyException,
  97             css::beans::PropertyVetoException,
  98             css::lang::IllegalArgumentException,
  99             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 100
 101     virtual css::uno::Any SAL_CALL getPropertyValue(
 102         OUString const & PropertyName)
 103         throw (
 104             css::beans::UnknownPropertyException,
 105             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 106
 107     virtual void SAL_CALL addPropertyChangeListener(
 108         OUString const &,
 109         css::uno::Reference< css::beans::XPropertyChangeListener > const &)
 110         throw (
 111             css::beans::UnknownPropertyException,
 112             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 113     {}
 114
 115     virtual void SAL_CALL removePropertyChangeListener(
 116         OUString const &,
 117         css::uno::Reference< css::beans::XPropertyChangeListener > const &)
 118         throw (
 119             css::beans::UnknownPropertyException,
 120             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 121     {}
 122
 123     virtual void SAL_CALL addVetoableChangeListener(
 124         OUString const &,
 125         css::uno::Reference< css::beans::XVetoableChangeListener > const &)
 126         throw (
 127             css::beans::UnknownPropertyException,
 128             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 129     {}
 130
 131     virtual void SAL_CALL removeVetoableChangeListener(
 132         OUString const &,
 133         css::uno::Reference< css::beans::XVetoableChangeListener > const &)
 134         throw (
 135             css::beans::UnknownPropertyException,
 136             css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE
 137     {}
 138 };
 139
 140 void Default::setPropertyValue(OUString const &, css::uno::Any const &)
 141     throw (
 142         css::beans::UnknownPropertyException, css::beans::PropertyVetoException,
 143         css::lang::IllegalArgumentException, css::lang::WrappedTargetException,
 144         css::uno::RuntimeException, std::exception)
 145 {
 146     throw css::lang::IllegalArgumentException(
 147         OUString("setPropertyValue not supported"),
 148         static_cast< cppu::OWeakObject * >(this), -1);
 149 }
 150
 151 css::uno::Any Default::getPropertyValue(OUString const & PropertyName)
 152     throw (
 153         css::beans::UnknownPropertyException, css::lang::WrappedTargetException,
 154         css::uno::RuntimeException, std::exception)
 155 {
 156     if ( PropertyName == "EnableATToolSupport" ||
 157          PropertyName == "ExternalMailer" ||
 158          PropertyName == "SourceViewFontHeight" ||
 159          PropertyName == "SourceViewFontName" ||
 160          PropertyName == "TemplatePathVariable" ||
 161          PropertyName == "WorkPathVariable" ||
 162          PropertyName == "ooInetFTPProxyName" ||
 163          PropertyName == "ooInetFTPProxyPort" ||
 164          PropertyName == "ooInetHTTPProxyName" ||
 165          PropertyName == "ooInetHTTPProxyPort" ||
 166          PropertyName == "ooInetHTTPSProxyName" ||
 167          PropertyName == "ooInetHTTPSProxyPort" ||
 168          PropertyName == "ooInetNoProxy" ||
 169          PropertyName == "ooInetProxyType" ||
 170          PropertyName == "givenname" ||
 171          PropertyName == "sn" )
 172     {
 173         return css::uno::makeAny(css::beans::Optional< css::uno::Any >());
 174     }
 175     throw css::beans::UnknownPropertyException(
 176         PropertyName, static_cast< cppu::OWeakObject * >(this));
 177 }
 178
 179 css::uno::Reference< css::uno::XInterface > createBackend(
 180     css::uno::Reference< css::uno::XComponentContext > const & context,
 181     OUString const & name)
 182 {
 183     try {
 184         return css::uno::Reference< css::lang::XMultiComponentFactory >(
 185             context->getServiceManager(), css::uno::UNO_SET_THROW)->
 186             createInstanceWithContext(name, context);
 187     } catch (css::uno::RuntimeException &) {
 188         // Assuming these exceptions are real errors:
 189         throw;
 190     } catch (const css::uno::Exception & e) {
 191         // Assuming these exceptions indicate that the service is not installed:
 192         OSL_TRACE(
 193             "createInstance(%s) failed with %s",
 194             OUStringToOString(name, RTL_TEXTENCODING_UTF8).getStr(),
 195             OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).getStr());
 196         return css::uno::Reference< css::uno::XInterface >();
 197     }
 198 }
 199
 200 css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance(
 201     css::uno::Reference< css::uno::XComponentContext > const & context)
 202 {
 203     OUString desktop;
 204     css::uno::Reference< css::uno::XCurrentContext > current(
 205         css::uno::getCurrentContext());
 206     if (current.is()) {
 207         current->getValueByName(
 208             OUString("system.desktop-environment")) >>=
 209             desktop;
 210     }
 211
 212     // Fall back to the default if the specific backend is not available:
 213     css::uno::Reference< css::uno::XInterface > backend;
 214     if ( desktop == "GNOME" ) {
 215         backend = createBackend(
 216             context,
 217             OUString(
 218                     "com.sun.star.configuration.backend.GconfBackend"));
 219     } else if ( desktop == "KDE" ) {
 220         backend = createBackend(
 221             context,
 222             OUString(
 223                     "com.sun.star.configuration.backend.KDEBackend"));
 224     } else if ( desktop == "KDE4" ) {
 225         backend = createBackend(
 226             context,
 227             OUString(
 228                     "com.sun.star.configuration.backend.KDE4Backend"));
 229     }
 230     return backend.is()
 231         ? backend : static_cast< cppu::OWeakObject * >(new Default);
 232 }
 233
 234 static cppu::ImplementationEntry const services[] = {
 235     { &createInstance, &getDefaultImplementationName,
 236       &getDefaultSupportedServiceNames, &cppu::createSingleComponentFactory, 0,
 237       0 },
 238     { 0, 0, 0, 0, 0, 0 }
 239 };
 240
 241 }
 242
 243 extern "C" SAL_DLLPUBLIC_EXPORT void * SAL_CALL desktopbe1_component_getFactory(
 244     char const * pImplName, void * pServiceManager, void * pRegistryKey)
 245 {
 246     return cppu::component_getFactoryHelper(
 247         pImplName, pServiceManager, pRegistryKey, services);
 248 }
 249
 250 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */