299 lines
10 KiB
C++
299 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <sal/log.hxx>
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#include <com/sun/star/beans/Optional.hpp>
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#include <com/sun/star/beans/UnknownPropertyException.hpp>
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#include <com/sun/star/beans/XPropertyChangeListener.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/beans/XPropertySetInfo.hpp>
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#include <com/sun/star/beans/XVetoableChangeListener.hpp>
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#include <com/sun/star/lang/XMultiComponentFactory.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/uno/Any.hxx>
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#include <com/sun/star/uno/Exception.hpp>
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/uno/RuntimeException.hpp>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/uno/XCurrentContext.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <cppuhelper/weak.hxx>
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#include <osl/file.hxx>
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#include <osl/security.hxx>
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#include <rtl/byteseq.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <rtl/ustring.hxx>
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#include <sal/types.h>
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#include <comphelper/diagnose_ex.hxx>
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#include <uno/current_context.hxx>
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namespace {
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class Default:
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public cppu::WeakImplHelper<
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css::lang::XServiceInfo, css::beans::XPropertySet >
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{
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public:
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Default() {}
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Default(const Default&) = delete;
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Default& operator=(const Default&) = delete;
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private:
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virtual ~Default() override {}
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virtual OUString SAL_CALL getImplementationName() override
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{ return u"com.sun.star.comp.configuration.backend.DesktopBackend"_ustr; }
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virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
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{ return ServiceName == getSupportedServiceNames()[0]; }
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virtual css::uno::Sequence< OUString > SAL_CALL
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getSupportedServiceNames() override
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{ return { u"com.sun.star.configuration.backend.DesktopBackend"_ustr }; }
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virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
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getPropertySetInfo() override
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{ return css::uno::Reference< css::beans::XPropertySetInfo >(); }
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virtual void SAL_CALL setPropertyValue(
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OUString const &, css::uno::Any const &) override;
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virtual css::uno::Any SAL_CALL getPropertyValue(
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OUString const & PropertyName) override;
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virtual void SAL_CALL addPropertyChangeListener(
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OUString const &,
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css::uno::Reference< css::beans::XPropertyChangeListener > const &) override
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{}
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virtual void SAL_CALL removePropertyChangeListener(
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OUString const &,
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css::uno::Reference< css::beans::XPropertyChangeListener > const &) override
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{}
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virtual void SAL_CALL addVetoableChangeListener(
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OUString const &,
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css::uno::Reference< css::beans::XVetoableChangeListener > const &) override
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{}
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virtual void SAL_CALL removeVetoableChangeListener(
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OUString const &,
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css::uno::Reference< css::beans::XVetoableChangeListener > const &) override
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{}
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};
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void Default::setPropertyValue(OUString const &, css::uno::Any const &)
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{
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throw css::lang::IllegalArgumentException(
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u"setPropertyValue not supported"_ustr,
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getXWeak(), -1);
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}
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OUString xdg_user_dir_lookup (const char *type, bool bAllowHomeDir)
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{
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size_t nLenType = strlen(type);
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char *config_home;
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char *p;
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bool bError = false;
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osl::Security aSecurity;
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oslFileHandle handle;
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OUString aHomeDirURL;
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OUString aDocumentsDirURL;
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OUString aConfigFileURL;
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OUStringBuffer aUserDirBuf;
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if (!aSecurity.getHomeDir( aHomeDirURL ) )
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{
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osl::FileBase::getFileURLFromSystemPath(u"/tmp"_ustr, aDocumentsDirURL);
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return aDocumentsDirURL;
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}
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config_home = getenv ("XDG_CONFIG_HOME");
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if (config_home == nullptr || config_home[0] == 0)
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{
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aConfigFileURL = aHomeDirURL + "/.config/user-dirs.dirs";
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}
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else
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{
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aConfigFileURL = OUString::createFromAscii(config_home) + "/user-dirs.dirs";
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}
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if(osl_File_E_None == osl_openFile(aConfigFileURL.pData, &handle, osl_File_OpenFlag_Read))
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{
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rtl::ByteSequence seq;
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while (osl_File_E_None == osl_readLine(handle , reinterpret_cast<sal_Sequence **>(&seq)))
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{
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int relative = 0;
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int len = seq.getLength();
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seq.realloc(len + 1);
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seq[len] = 0;
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p = reinterpret_cast<char *>(seq.getArray());
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while (*p == ' ' || *p == '\t')
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p++;
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if (strncmp (p, "XDG_", 4) != 0)
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continue;
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p += 4;
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if (strncmp (p, OString(type, nLenType).toAsciiUpperCase().getStr(), nLenType) != 0)
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continue;
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p += nLenType;
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if (strncmp (p, "_DIR", 4) != 0)
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continue;
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p += 4;
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while (*p == ' ' || *p == '\t')
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p++;
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if (*p != '=')
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continue;
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p++;
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while (*p == ' ' || *p == '\t')
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p++;
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if (*p != '"')
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continue;
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p++;
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if (strncmp (p, "$HOME/", 6) == 0)
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{
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p += 6;
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relative = 1;
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}
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else if (*p != '/')
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continue;
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if (relative)
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{
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aUserDirBuf = aHomeDirURL + "/";
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}
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else
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{
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aUserDirBuf.truncate();
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}
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while (*p && *p != '"')
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{
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if ((*p == '\\') && (*(p+1) != 0))
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p++;
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aUserDirBuf.append(static_cast<sal_Unicode>(*p++));
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}
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}//end of while
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osl_closeFile(handle);
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}
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else
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bError = true;
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if (aUserDirBuf.getLength()>0 && !bError)
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{
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aDocumentsDirURL = aUserDirBuf.makeStringAndClear();
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if ( bAllowHomeDir ||
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(aDocumentsDirURL != aHomeDirURL && aDocumentsDirURL != Concat2View(aHomeDirURL + "/")) )
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{
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osl::Directory aDocumentsDir( aDocumentsDirURL );
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if( osl::FileBase::E_None == aDocumentsDir.open() )
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return aDocumentsDirURL;
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}
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}
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/* Use fallbacks historical compatibility if nothing else exists */
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return aHomeDirURL + "/" + OUString::createFromAscii(type);
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}
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css::uno::Any xdgDirectoryIfExists(char const * type, bool bAllowHomeDir) {
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auto url = xdg_user_dir_lookup(type, bAllowHomeDir);
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return css::uno::Any(
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osl::Directory(url).open() == osl::FileBase::E_None
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? css::beans::Optional<css::uno::Any>(true, css::uno::Any(url))
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: css::beans::Optional<css::uno::Any>(false, css::uno::Any()));
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}
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css::uno::Any Default::getPropertyValue(OUString const & PropertyName)
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{
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if (PropertyName == "TemplatePathVariable")
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{
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// Never pick up the HOME directory as the default location of user's templates
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return xdgDirectoryIfExists("Templates", false);
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}
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if (PropertyName == "WorkPathVariable")
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{
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return xdgDirectoryIfExists("Documents", true);
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}
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if ( PropertyName == "EnableATToolSupport" ||
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PropertyName == "ExternalMailer" ||
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PropertyName == "SourceViewFontHeight" ||
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PropertyName == "SourceViewFontName" ||
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PropertyName == "ooInetHTTPProxyName" ||
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PropertyName == "ooInetHTTPProxyPort" ||
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PropertyName == "ooInetHTTPSProxyName" ||
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PropertyName == "ooInetHTTPSProxyPort" ||
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PropertyName == "ooInetNoProxy" ||
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PropertyName == "ooInetProxyType" ||
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PropertyName == "givenname" ||
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PropertyName == "sn" )
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{
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return css::uno::Any(css::beans::Optional< css::uno::Any >());
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}
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throw css::beans::UnknownPropertyException(
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PropertyName, getXWeak());
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}
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css::uno::Reference< css::uno::XInterface > createBackend(
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css::uno::Reference< css::uno::XComponentContext > const & context,
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OUString const & name)
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{
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try {
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return css::uno::Reference< css::lang::XMultiComponentFactory >(
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context->getServiceManager(), css::uno::UNO_SET_THROW)->
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createInstanceWithContext(name, context);
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} catch (css::uno::RuntimeException &) {
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// Assuming these exceptions are real errors:
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throw;
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} catch (const css::uno::Exception &) {
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// Assuming these exceptions indicate that the service is not installed:
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TOOLS_WARN_EXCEPTION("shell", "createInstance(" << name << ") failed");
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return css::uno::Reference< css::uno::XInterface >();
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}
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}
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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shell_DesktopBackend_get_implementation(
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css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
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{
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OUString desktop;
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css::uno::Reference< css::uno::XCurrentContext > current(
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css::uno::getCurrentContext());
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if (current.is()) {
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current->getValueByName(u"system.desktop-environment"_ustr) >>= desktop;
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}
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// Fall back to the default if the specific backend is not available:
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css::uno::Reference< css::uno::XInterface > backend;
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if (desktop == "PLASMA5")
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backend = createBackend(context,
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u"com.sun.star.configuration.backend.KF5Backend"_ustr);
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if (!backend)
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backend = getXWeak(new Default);
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backend->acquire();
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return backend.get();
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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