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| -rw-r--r-- | framework/source/services/modulemanager.cxx | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/framework/source/services/modulemanager.cxx b/framework/source/services/modulemanager.cxx new file mode 100644 index 000000000..475084c4c --- /dev/null +++ b/framework/source/services/modulemanager.cxx @@ -0,0 +1,350 @@ +/* -*- 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 <com/sun/star/frame/UnknownModuleException.hpp> +#include <com/sun/star/frame/XFrame.hpp> +#include <com/sun/star/frame/XController.hpp> +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/frame/XModule.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/frame/XModuleManager2.hpp> +#include <com/sun/star/container/XNameReplace.hpp> +#include <com/sun/star/container/XContainerQuery.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> + +#include <cppuhelper/implbase.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <comphelper/configurationhelper.hxx> +#include <comphelper/sequenceashashmap.hxx> +#include <comphelper/sequence.hxx> +#include <comphelper/enumhelper.hxx> +#include <utility> + +namespace { + +class ModuleManager: + public cppu::WeakImplHelper< + css::lang::XServiceInfo, + css::frame::XModuleManager2, + css::container::XContainerQuery > +{ +private: + + /** the global uno service manager. + Must be used to create own needed services. + */ + css::uno::Reference< css::uno::XComponentContext > m_xContext; + + /** points to the underlying configuration. + This ModuleManager does not cache - it calls directly the + configuration API! + */ + css::uno::Reference< css::container::XNameAccess > m_xCFG; + +public: + + explicit ModuleManager(css::uno::Reference< css::uno::XComponentContext > xContext); + + ModuleManager(const ModuleManager&) = delete; + ModuleManager& operator=(const ModuleManager&) = delete; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + + virtual sal_Bool SAL_CALL supportsService( + OUString const & ServiceName) override; + + virtual css::uno::Sequence< OUString > SAL_CALL + getSupportedServiceNames() override; + + // XModuleManager + virtual OUString SAL_CALL identify(const css::uno::Reference< css::uno::XInterface >& xModule) override; + + // XNameReplace + virtual void SAL_CALL replaceByName(const OUString& sName , + const css::uno::Any& aValue) override; + + // XNameAccess + virtual css::uno::Any SAL_CALL getByName(const OUString& sName) override; + + virtual css::uno::Sequence< OUString > SAL_CALL getElementNames() override; + + virtual sal_Bool SAL_CALL hasByName(const OUString& sName) override; + + // XElementAccess + virtual css::uno::Type SAL_CALL getElementType() override; + + virtual sal_Bool SAL_CALL hasElements() override; + + // XContainerQuery + virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createSubSetEnumerationByQuery(const OUString& sQuery) override; + + virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createSubSetEnumerationByProperties(const css::uno::Sequence< css::beans::NamedValue >& lProperties) override; + +private: + + /** @short makes the real identification of the module. + + @descr It checks for the optional but preferred interface + XModule first. If this module does not exists at the + given component it tries to use XServiceInfo instead. + + Note: This method try to locate a suitable module name. + Nothing else. Selecting the right component and throwing suitable + exceptions must be done outside. + + @see identify() + + @param xComponent + the module for identification. + + @return The identifier of the given module. + Can be empty if given component is not a real module ! + + @threadsafe + */ + OUString implts_identify(const css::uno::Reference< css::uno::XInterface >& xComponent); +}; + +ModuleManager::ModuleManager(css::uno::Reference< css::uno::XComponentContext > xContext) + : m_xContext(std::move(xContext)) +{ + m_xCFG.set( comphelper::ConfigurationHelper::openConfig( + m_xContext, "/org.openoffice.Setup/Office/Factories", + comphelper::EConfigurationModes::ReadOnly ), + css::uno::UNO_QUERY_THROW ); +} + +OUString ModuleManager::getImplementationName() +{ + return "com.sun.star.comp.framework.ModuleManager"; +} + +sal_Bool ModuleManager::supportsService(OUString const & ServiceName) +{ + return cppu::supportsService(this, ServiceName); +} + +css::uno::Sequence< OUString > ModuleManager::getSupportedServiceNames() +{ + return { "com.sun.star.frame.ModuleManager" }; +} + +OUString SAL_CALL ModuleManager::identify(const css::uno::Reference< css::uno::XInterface >& xModule) +{ + // valid parameter? + css::uno::Reference< css::frame::XFrame > xFrame (xModule, css::uno::UNO_QUERY); + css::uno::Reference< css::awt::XWindow > xWindow (xModule, css::uno::UNO_QUERY); + css::uno::Reference< css::frame::XController > xController(xModule, css::uno::UNO_QUERY); + css::uno::Reference< css::frame::XModel > xModel (xModule, css::uno::UNO_QUERY); + + if ( + (!xFrame.is() ) && + (!xWindow.is() ) && + (!xController.is()) && + (!xModel.is() ) + ) + { + throw css::lang::IllegalArgumentException( + "Given module is not a frame nor a window, controller or model.", + static_cast< ::cppu::OWeakObject* >(this), + 1); + } + + if (xFrame.is()) + { + xController = xFrame->getController(); + xWindow = xFrame->getComponentWindow(); + } + if (xController.is()) + xModel = xController->getModel(); + + // modules are implemented by the deepest component in hierarchy ... + // Means: model -> controller -> window + // No fallbacks to higher components are allowed ! + // Note : A frame provides access to module components only ... but it's not a module by himself. + + OUString sModule; + if (xModel.is()) + sModule = implts_identify(xModel); + else if (xController.is()) + sModule = implts_identify(xController); + else if (xWindow.is()) + sModule = implts_identify(xWindow); + + if (sModule.isEmpty()) + throw css::frame::UnknownModuleException( + "Can not find suitable module for the given component.", + static_cast< ::cppu::OWeakObject* >(this)); + + return sModule; +} + +void SAL_CALL ModuleManager::replaceByName(const OUString& sName , + const css::uno::Any& aValue) +{ + ::comphelper::SequenceAsHashMap lProps(aValue); + if (lProps.empty() ) + { + throw css::lang::IllegalArgumentException( + "No properties given to replace part of module.", + static_cast< cppu::OWeakObject * >(this), + 2); + } + + // get access to the element + // Note: Don't use impl_getConfig() method here. Because it creates a readonly access only, further + // it cache it as a member of this module manager instance. If we change some props there ... but don't + // flush changes (because an error occurred) we will read them later. If we use a different config access + // we can close it without a flush... and our read data won't be affected .-) + css::uno::Reference< css::uno::XInterface > xCfg = ::comphelper::ConfigurationHelper::openConfig( + m_xContext, + "/org.openoffice.Setup/Office/Factories", + ::comphelper::EConfigurationModes::Standard); + css::uno::Reference< css::container::XNameAccess > xModules (xCfg, css::uno::UNO_QUERY_THROW); + css::uno::Reference< css::container::XNameReplace > xModule ; + + xModules->getByName(sName) >>= xModule; + if (!xModule.is()) + { + throw css::uno::RuntimeException( + "Was not able to get write access to the requested module entry inside configuration.", + static_cast< cppu::OWeakObject * >(this)); + } + + for (auto const& prop : lProps) + { + // let "NoSuchElementException" out ! We support the same API ... + // and without a flush() at the end all changed data before will be ignored ! + xModule->replaceByName(prop.first.maString, prop.second); + } + + ::comphelper::ConfigurationHelper::flush(xCfg); +} + +css::uno::Any SAL_CALL ModuleManager::getByName(const OUString& sName) +{ + // get access to the element + css::uno::Reference< css::container::XNameAccess > xModule; + m_xCFG->getByName(sName) >>= xModule; + if (!xModule.is()) + { + throw css::uno::RuntimeException( + "Was not able to get write access to the requested module entry inside configuration.", + static_cast< cppu::OWeakObject * >(this)); + } + + // convert it to seq< PropertyValue > + const css::uno::Sequence< OUString > lPropNames = xModule->getElementNames(); + comphelper::SequenceAsHashMap lProps; + + lProps[OUString("ooSetupFactoryModuleIdentifier")] <<= sName; + for (const OUString& sPropName : lPropNames) + { + lProps[sPropName] = xModule->getByName(sPropName); + } + + return css::uno::Any(lProps.getAsConstPropertyValueList()); +} + +css::uno::Sequence< OUString > SAL_CALL ModuleManager::getElementNames() +{ + return m_xCFG->getElementNames(); +} + +sal_Bool SAL_CALL ModuleManager::hasByName(const OUString& sName) +{ + return m_xCFG->hasByName(sName); +} + +css::uno::Type SAL_CALL ModuleManager::getElementType() +{ + return cppu::UnoType<css::uno::Sequence< css::beans::PropertyValue >>::get(); +} + +sal_Bool SAL_CALL ModuleManager::hasElements() +{ + return m_xCFG->hasElements(); +} + +css::uno::Reference< css::container::XEnumeration > SAL_CALL ModuleManager::createSubSetEnumerationByQuery(const OUString&) +{ + return css::uno::Reference< css::container::XEnumeration >(); +} + +css::uno::Reference< css::container::XEnumeration > SAL_CALL ModuleManager::createSubSetEnumerationByProperties(const css::uno::Sequence< css::beans::NamedValue >& lProperties) +{ + ::comphelper::SequenceAsHashMap lSearchProps(lProperties); + const css::uno::Sequence< OUString > lModules = getElementNames(); + ::std::vector< css::uno::Any > lResult; + + for (const OUString& rModuleName : lModules) + { + try + { + ::comphelper::SequenceAsHashMap lModuleProps = getByName(rModuleName); + if (lModuleProps.match(lSearchProps)) + lResult.push_back(css::uno::Any(lModuleProps.getAsConstPropertyValueList())); + } + catch(const css::uno::Exception&) + { + } + } + + return new ::comphelper::OAnyEnumeration(comphelper::containerToSequence(lResult)); +} + +OUString ModuleManager::implts_identify(const css::uno::Reference< css::uno::XInterface >& xComponent) +{ + // Search for an optional (!) interface XModule first. + // It's used to overrule an existing service name. Used e.g. by our database form designer + // which uses a writer module internally. + css::uno::Reference< css::frame::XModule > xModule(xComponent, css::uno::UNO_QUERY); + if (xModule.is()) + return xModule->getIdentifier(); + + // detect modules in a generic way... + // comparing service names with configured entries... + css::uno::Reference< css::lang::XServiceInfo > xInfo(xComponent, css::uno::UNO_QUERY); + if (!xInfo.is()) + return OUString(); + + const css::uno::Sequence< OUString > lKnownModules = getElementNames(); + for (const OUString& rName : lKnownModules) + { + if (xInfo->supportsService(rName)) + return rName; + } + + return OUString(); +} + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_comp_framework_ModuleManager_get_implementation( + css::uno::XComponentContext *context, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new ModuleManager(context)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |