diff options
Diffstat (limited to 'configmgr/source/configurationprovider.cxx')
| -rw-r--r-- | configmgr/source/configurationprovider.cxx | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/configmgr/source/configurationprovider.cxx b/configmgr/source/configurationprovider.cxx new file mode 100644 index 000000000..b8bdcb426 --- /dev/null +++ b/configmgr/source/configurationprovider.cxx @@ -0,0 +1,403 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <cassert> + +#include <com/sun/star/beans/NamedValue.hpp> +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/configuration/theDefaultProvider.hpp> +#include <com/sun/star/lang/EventObject.hpp> +#include <com/sun/star/lang/Locale.hpp> +#include <com/sun/star/lang/XLocalizable.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/uno/Any.hxx> +#include <com/sun/star/uno/Exception.hpp> +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/uno/Sequence.hxx> +#include <com/sun/star/uno/XInterface.hpp> +#include <com/sun/star/util/XFlushListener.hpp> +#include <com/sun/star/util/XFlushable.hpp> +#include <com/sun/star/util/XRefreshListener.hpp> +#include <com/sun/star/util/XRefreshable.hpp> +#include <cppu/unotype.hxx> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <cppuhelper/weak.hxx> +#include <osl/mutex.hxx> +#include <sal/types.h> +#include <rtl/ref.hxx> +#include <rtl/ustring.hxx> + +#include <i18nlangtag/languagetag.hxx> +#include <utility> + +#include "components.hxx" +#include "configurationprovider.hxx" +#include "lock.hxx" +#include "defaultprovider.hxx" +#include "rootaccess.hxx" + +namespace configmgr::configuration_provider { + +namespace { + +constexpr OUStringLiteral accessServiceName = + u"com.sun.star.configuration.ConfigurationAccess"; +constexpr OUStringLiteral updateAccessServiceName = + u"com.sun.star.configuration.ConfigurationUpdateAccess"; + +void badNodePath() { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider expects a single," + " non-empty, string nodepath argument"), + nullptr); +} + +typedef + cppu::WeakComponentImplHelper< + css::lang::XServiceInfo, css::lang::XMultiServiceFactory, + css::util::XRefreshable, css::util::XFlushable, + css::lang::XLocalizable > + ServiceBase; + +class Service: + private cppu::BaseMutex, public ServiceBase +{ +public: + explicit Service( + const css::uno::Reference< css::uno::XComponentContext >& context): + ServiceBase(m_aMutex), context_(context), default_(true), + lock_( lock() ) + { + assert(context.is()); + } + + Service( + const css::uno::Reference< css::uno::XComponentContext >& context, + OUString locale): + ServiceBase(m_aMutex), context_(context), locale_(std::move(locale)), + default_(false), + lock_( lock() ) + { + assert(context.is()); + } + +private: + Service(const Service&) = delete; + Service& operator=(const Service&) = delete; + + virtual ~Service() override {} + + virtual void SAL_CALL disposing() override { flushModifications(); } + + virtual OUString SAL_CALL getImplementationName() override + { + return default_ + ? default_provider::getImplementationName() + : "com.sun.star.comp.configuration.ConfigurationProvider"; + } + + virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override + { return cppu::supportsService(this, ServiceName); } + + virtual css::uno::Sequence< OUString > SAL_CALL + getSupportedServiceNames() override + { + return default_ + ? default_provider::getSupportedServiceNames() + : css::uno::Sequence<OUString> { "com.sun.star.configuration.ConfigurationProvider" }; + } + + virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance( + OUString const & aServiceSpecifier) override; + + virtual css::uno::Reference< css::uno::XInterface > SAL_CALL + createInstanceWithArguments( + OUString const & ServiceSpecifier, + css::uno::Sequence< css::uno::Any > const & Arguments) override; + + virtual css::uno::Sequence< OUString > SAL_CALL + getAvailableServiceNames() override; + + virtual void SAL_CALL refresh() override; + + virtual void SAL_CALL addRefreshListener( + css::uno::Reference< css::util::XRefreshListener > const & l) override; + + virtual void SAL_CALL removeRefreshListener( + css::uno::Reference< css::util::XRefreshListener > const & l) override; + + virtual void SAL_CALL flush() override; + + virtual void SAL_CALL addFlushListener( + css::uno::Reference< css::util::XFlushListener > const & l) override; + + virtual void SAL_CALL removeFlushListener( + css::uno::Reference< css::util::XFlushListener > const & l) override; + + virtual void SAL_CALL setLocale(css::lang::Locale const & eLocale) override; + + virtual css::lang::Locale SAL_CALL getLocale() override; + + void flushModifications() const; + + css::uno::Reference< css::uno::XComponentContext > context_; + OUString locale_; + bool default_; + std::shared_ptr<osl::Mutex> lock_; +}; + +css::uno::Reference< css::uno::XInterface > Service::createInstance( + OUString const & aServiceSpecifier) +{ + return createInstanceWithArguments( + aServiceSpecifier, css::uno::Sequence< css::uno::Any >()); +} + +css::uno::Reference< css::uno::XInterface > +Service::createInstanceWithArguments( + OUString const & ServiceSpecifier, + css::uno::Sequence< css::uno::Any > const & Arguments) +{ + OUString nodepath; + OUString locale; + for (sal_Int32 i = 0; i < Arguments.getLength(); ++i) { + css::beans::NamedValue v1; + css::beans::PropertyValue v2; + OUString name; + css::uno::Any value; + if (Arguments[i] >>= v1) { + name = v1.Name; + value = v1.Value; + } else if (Arguments[i] >>= v2) { + name = v2.Name; + value = v2.Value; + } else if (Arguments.getLength() == 1 && (Arguments[i] >>= nodepath)) { + // For backwards compatibility, allow a single string argument that + // denotes nodepath. + if (nodepath.isEmpty()) { + badNodePath(); + } + break; + } else { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider expects" + " NamedValue or PropertyValue arguments"), + nullptr); + } + // For backwards compatibility, allow "nodepath" and "Locale" in any + // case: + if (name.equalsIgnoreAsciiCase("nodepath")) { + if (!nodepath.isEmpty() || !(value >>= nodepath) || + nodepath.isEmpty()) + { + badNodePath(); + } + } else if (name.equalsIgnoreAsciiCase("locale")) { + if (!locale.isEmpty() || !(value >>= locale) || + locale.isEmpty()) + { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider expects" + " at most one, non-empty, string Locale argument"), + nullptr); + } + } + } + if (nodepath.isEmpty()) { + badNodePath(); + } + // For backwards compatibility, allow a nodepath that misses the leading + // slash: + if (nodepath[0] != '/') { + nodepath = "/" + nodepath; + } + if (locale.isEmpty()) { + //TODO: should the Access use the dynamically changing locale_ instead? + locale = locale_; + if (locale.isEmpty()) { + locale = "en-US"; + } + } + bool update; + if (ServiceSpecifier == accessServiceName) { + update = false; + } else if (ServiceSpecifier == updateAccessServiceName) { + update = true; + } else { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider does not support" + " service " + ServiceSpecifier), + static_cast< cppu::OWeakObject * >(this)); + } + osl::MutexGuard guard(*lock_); + Components & components = Components::getSingleton(context_); + rtl::Reference root( + new RootAccess(components, nodepath, locale, update)); + if (root->isValue()) { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider: there is a leaf" + " value at nodepath " + nodepath), + static_cast< cppu::OWeakObject * >(this)); + } + components.addRootAccess(root); + return static_cast< cppu::OWeakObject * >(root.get()); +} + +css::uno::Sequence< OUString > Service::getAvailableServiceNames() +{ + return { accessServiceName, updateAccessServiceName }; +} + +void Service::refresh() { + //TODO + cppu::OInterfaceContainerHelper * cont = rBHelper.getContainer( + cppu::UnoType< css::util::XRefreshListener >::get()); + if (cont != nullptr) { + css::lang::EventObject ev(static_cast< cppu::OWeakObject * >(this)); + cont->notifyEach(&css::util::XRefreshListener::refreshed, ev); + } +} + +void Service::addRefreshListener( + css::uno::Reference< css::util::XRefreshListener > const & l) +{ + rBHelper.addListener( + cppu::UnoType< css::util::XRefreshListener >::get(), l); +} + +void Service::removeRefreshListener( + css::uno::Reference< css::util::XRefreshListener > const & l) +{ + rBHelper.removeListener( + cppu::UnoType< css::util::XRefreshListener >::get(), l); +} + +void Service::flush() { + flushModifications(); + cppu::OInterfaceContainerHelper * cont = rBHelper.getContainer( + cppu::UnoType< css::util::XFlushListener >::get()); + if (cont != nullptr) { + css::lang::EventObject ev(static_cast< cppu::OWeakObject * >(this)); + cont->notifyEach(&css::util::XFlushListener::flushed, ev); + } +} + +void Service::addFlushListener( + css::uno::Reference< css::util::XFlushListener > const & l) +{ + rBHelper.addListener(cppu::UnoType< css::util::XFlushListener >::get(), l); +} + +void Service::removeFlushListener( + css::uno::Reference< css::util::XFlushListener > const & l) +{ + rBHelper.removeListener( + cppu::UnoType< css::util::XFlushListener >::get(), l); +} + +void Service::setLocale(css::lang::Locale const & eLocale) +{ + osl::MutexGuard guard(*lock_); + locale_ = LanguageTag::convertToBcp47( eLocale, false); +} + +css::lang::Locale Service::getLocale() { + osl::MutexGuard guard(*lock_); + css::lang::Locale loc; + if (! locale_.isEmpty()) { + loc = LanguageTag::convertToLocale( locale_, false); + } + return loc; +} + +void Service::flushModifications() const { + Components * components; + { + osl::MutexGuard guard(*lock_); + components = &Components::getSingleton(context_); + } + components->flushModifications(); +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +com_sun_star_comp_configuration_ConfigurationProvider_get_implementation( + css::uno::XComponentContext* Context, css::uno::Sequence<css::uno::Any> const& Arguments) +{ + if (!Arguments.hasElements()) { + auto p = css::configuration::theDefaultProvider::get(Context); + p->acquire(); + return p.get(); + } else { + OUString locale; + for (sal_Int32 i = 0; i < Arguments.getLength(); ++i) { + css::beans::NamedValue v1; + css::beans::PropertyValue v2; + OUString name; + css::uno::Any value; + if (Arguments[i] >>= v1) { + name = v1.Name; + value = v1.Value; + } else if (Arguments[i] >>= v2) { + name = v2.Name; + value = v2.Value; + } else { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider factory" + " expects NamedValue or PropertyValue arguments"), + nullptr); + } + // For backwards compatibility, allow "Locale" and (ignored) + // "EnableAsync" in any case: + if (name.equalsIgnoreAsciiCase("locale")) { + if (!locale.isEmpty() || !(value >>= locale) || + locale.isEmpty()) + { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider" + " factory expects at most one, non-empty, string" + " Locale argument"), + nullptr); + } + } else if (!name.equalsIgnoreAsciiCase("enableasync")) { + throw css::uno::Exception( + ("com.sun.star.configuration.ConfigurationProvider factory:" + " unknown argument " + name), + nullptr); + } + } + return cppu::acquire(new Service(Context, locale)); + } +} + +} + +css::uno::Reference< css::uno::XInterface > createDefault( + css::uno::Reference< css::uno::XComponentContext > const & context) +{ + return static_cast< cppu::OWeakObject * >(new Service(context)); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |