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Diffstat (limited to 'framework/source/uifactory/uielementfactorymanager.cxx')
| -rw-r--r-- | framework/source/uifactory/uielementfactorymanager.cxx | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/framework/source/uifactory/uielementfactorymanager.cxx b/framework/source/uifactory/uielementfactorymanager.cxx new file mode 100644 index 000000000..68e228683 --- /dev/null +++ b/framework/source/uifactory/uielementfactorymanager.cxx @@ -0,0 +1,569 @@ +/* -*- 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 <uifactory/configurationaccessfactorymanager.hxx> +#include <helper/mischelper.hxx> + +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/configuration/theDefaultProvider.hpp> +#include <com/sun/star/container/ElementExistException.hpp> +#include <com/sun/star/container/XContainer.hpp> +#include <com/sun/star/container/XContainerListener.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/loader/CannotActivateFactoryException.hpp> +#include <com/sun/star/frame/ModuleManager.hpp> +#include <com/sun/star/frame/UnknownModuleException.hpp> +#include <com/sun/star/frame/XFrame.hpp> +#include <com/sun/star/frame/XModuleManager2.hpp> +#include <com/sun/star/ui/XUIElementFactoryManager.hpp> + +#include <rtl/ref.hxx> +#include <sal/log.hxx> +#include <comphelper/propertysequence.hxx> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase.hxx> +#include <cppuhelper/supportsservice.hxx> + +using namespace com::sun::star::uno; +using namespace com::sun::star::lang; +using namespace com::sun::star::beans; +using namespace com::sun::star::frame; +using namespace com::sun::star::configuration; +using namespace com::sun::star::container; +using namespace ::com::sun::star::ui; +using namespace framework; + +namespace framework +{ + +// global function needed by both implementations +static OUString getHashKeyFromStrings( const OUString& aType, const OUString& aName, const OUString& aModuleName ) +{ + return aType + "^" + aName + "^" + aModuleName; +} + +ConfigurationAccess_FactoryManager::ConfigurationAccess_FactoryManager( const Reference< XComponentContext >& rxContext, const OUString& _sRoot ) : + m_aPropType( "Type" ), + m_aPropName( "Name" ), + m_aPropModule( "Module" ), + m_aPropFactory( "FactoryImplementation" ), + m_sRoot(_sRoot), + m_bConfigAccessInitialized( false ) +{ + m_xConfigProvider = theDefaultProvider::get( rxContext ); +} + +ConfigurationAccess_FactoryManager::~ConfigurationAccess_FactoryManager() +{ + // SAFE + osl::MutexGuard g(m_aMutex); + + Reference< XContainer > xContainer( m_xConfigAccess, UNO_QUERY ); + if ( xContainer.is() ) + xContainer->removeContainerListener(m_xConfigListener); +} + +OUString ConfigurationAccess_FactoryManager::getFactorySpecifierFromTypeNameModule( const OUString& rType, const OUString& rName, const OUString& rModule ) const +{ + // SAFE + osl::MutexGuard g(m_aMutex); + + FactoryManagerMap::const_iterator pIter = + m_aFactoryManagerMap.find( getHashKeyFromStrings( rType, rName, rModule )); + if ( pIter != m_aFactoryManagerMap.end() ) + return pIter->second; + else + { + pIter = m_aFactoryManagerMap.find( getHashKeyFromStrings( rType, rName, OUString() )); + if ( pIter != m_aFactoryManagerMap.end() ) + return pIter->second; + else + { + // Support factories which uses a defined prefix before the ui name. + sal_Int32 nIndex = rName.indexOf( '_' ); + if ( nIndex > 0 ) + { + OUString aName = rName.copy( 0, nIndex+1 ); + pIter = m_aFactoryManagerMap.find( getHashKeyFromStrings( rType, aName, OUString() )); + if ( pIter != m_aFactoryManagerMap.end() ) + return pIter->second; + } + + pIter = m_aFactoryManagerMap.find( getHashKeyFromStrings( rType, OUString(), OUString() )); + if ( pIter != m_aFactoryManagerMap.end() ) + return pIter->second; + } + } + + return OUString(); +} + +void ConfigurationAccess_FactoryManager::addFactorySpecifierToTypeNameModule( const OUString& rType, const OUString& rName, const OUString& rModule, const OUString& rServiceSpecifier ) +{ + // SAFE + osl::MutexGuard g(m_aMutex); + + OUString aHashKey = getHashKeyFromStrings( rType, rName, rModule ); + + FactoryManagerMap::const_iterator pIter = m_aFactoryManagerMap.find( aHashKey ); + + if ( pIter != m_aFactoryManagerMap.end() ) + throw ElementExistException(); + m_aFactoryManagerMap.emplace( aHashKey, rServiceSpecifier ); +} + +void ConfigurationAccess_FactoryManager::removeFactorySpecifierFromTypeNameModule( const OUString& rType, const OUString& rName, const OUString& rModule ) +{ + // SAFE + osl::MutexGuard g(m_aMutex); + + OUString aHashKey = getHashKeyFromStrings( rType, rName, rModule ); + + FactoryManagerMap::const_iterator pIter = m_aFactoryManagerMap.find( aHashKey ); + + if ( pIter == m_aFactoryManagerMap.end() ) + throw NoSuchElementException(); + m_aFactoryManagerMap.erase( aHashKey ); +} + +Sequence< Sequence< PropertyValue > > ConfigurationAccess_FactoryManager::getFactoriesDescription() const +{ + // SAFE + osl::MutexGuard g(m_aMutex); + + Sequence< Sequence< PropertyValue > > aSeqSeq; + + sal_Int32 nIndex( 0 ); + for ( const auto& rEntry : m_aFactoryManagerMap ) + { + OUString aFactory = rEntry.first; + if ( !aFactory.isEmpty() ) + { + sal_Int32 nToken = 0; + Sequence< PropertyValue > aSeq( 1 ); + + aSeqSeq.realloc( aSeqSeq.getLength() + 1 ); + aSeq[0].Name = m_aPropType; + aSeq[0].Value <<= aFactory.getToken( 0, '^', nToken ); + if ( nToken > 0 ) + { + aSeq.realloc( 2 ); + aSeq[1].Name = m_aPropName; + aSeq[1].Value <<= aFactory.getToken( 0, '^', nToken ); + if ( nToken > 0 ) + { + aSeq.realloc( 3 ); + aSeq[2].Name = m_aPropModule; + aSeq[2].Value <<= aFactory.getToken( 0, '^', nToken ); + } + } + + aSeqSeq[nIndex++] = aSeq; + } + } + + return aSeqSeq; +} + +// container.XContainerListener +void SAL_CALL ConfigurationAccess_FactoryManager::elementInserted( const ContainerEvent& aEvent ) +{ + OUString aType; + OUString aName; + OUString aModule; + OUString aService; + + // SAFE + osl::MutexGuard g(m_aMutex); + + if ( impl_getElementProps( aEvent.Element, aType, aName, aModule, aService )) + { + // Create hash key from type, name and module as they are together a primary key to + // the UNO service that implements a user interface factory. + OUString aHashKey( getHashKeyFromStrings( aType, aName, aModule )); + m_aFactoryManagerMap.emplace( aHashKey, aService ); + } +} + +void SAL_CALL ConfigurationAccess_FactoryManager::elementRemoved ( const ContainerEvent& aEvent ) +{ + OUString aType; + OUString aName; + OUString aModule; + OUString aService; + + // SAFE + osl::MutexGuard g(m_aMutex); + + if ( impl_getElementProps( aEvent.Element, aType, aName, aModule, aService )) + { + // Create hash key from command and model as they are together a primary key to + // the UNO service that implements the popup menu controller. + OUString aHashKey( getHashKeyFromStrings( aType, aName, aModule )); + m_aFactoryManagerMap.erase( aHashKey ); + } +} + +void SAL_CALL ConfigurationAccess_FactoryManager::elementReplaced( const ContainerEvent& aEvent ) +{ + OUString aType; + OUString aName; + OUString aModule; + OUString aService; + + // SAFE + osl::MutexGuard g(m_aMutex); + + if ( impl_getElementProps( aEvent.Element, aType, aName, aModule, aService )) + { + // Create hash key from command and model as they are together a primary key to + // the UNO service that implements the popup menu controller. + OUString aHashKey( getHashKeyFromStrings( aType, aName, aModule )); + m_aFactoryManagerMap.erase( aHashKey ); + m_aFactoryManagerMap.emplace( aHashKey, aService ); + } +} + +// lang.XEventListener +void SAL_CALL ConfigurationAccess_FactoryManager::disposing( const EventObject& ) +{ + // SAFE + // remove our reference to the config access + osl::MutexGuard g(m_aMutex); + m_xConfigAccess.clear(); +} + +void ConfigurationAccess_FactoryManager::readConfigurationData() +{ + // SAFE + osl::MutexGuard g(m_aMutex); + + if ( !m_bConfigAccessInitialized ) + { + Sequence<Any> aArgs(comphelper::InitAnyPropertySequence( + { + {"nodepath", Any(m_sRoot)} + })); + + try + { + m_xConfigAccess.set( m_xConfigProvider->createInstanceWithArguments( + "com.sun.star.configuration.ConfigurationAccess", aArgs ), UNO_QUERY ); + } + catch ( const WrappedTargetException& ) + { + } + + m_bConfigAccessInitialized = true; + } + + if ( !m_xConfigAccess.is() ) + return; + + const Sequence< OUString > aUIElementFactories = m_xConfigAccess->getElementNames(); + + OUString aType; + OUString aName; + OUString aModule; + OUString aService; + OUString aHashKey; + for ( OUString const & factoryName : aUIElementFactories ) + { + if ( impl_getElementProps( m_xConfigAccess->getByName( factoryName ), aType, aName, aModule, aService )) + { + // Create hash key from type, name and module as they are together a primary key to + // the UNO service that implements the user interface element factory. + aHashKey = getHashKeyFromStrings( aType, aName, aModule ); + m_aFactoryManagerMap.emplace( aHashKey, aService ); + } + } + + Reference< XContainer > xContainer( m_xConfigAccess, UNO_QUERY ); + if ( xContainer.is() ) + { + m_xConfigListener = new WeakContainerListener(this); + xContainer->addContainerListener(m_xConfigListener); + } +} + +bool ConfigurationAccess_FactoryManager::impl_getElementProps( const Any& aElement, OUString& rType, OUString& rName, OUString& rModule, OUString& rServiceSpecifier ) const +{ + Reference< XPropertySet > xPropertySet; + aElement >>= xPropertySet; + + if ( xPropertySet.is() ) + { + try + { + xPropertySet->getPropertyValue( m_aPropType ) >>= rType; + xPropertySet->getPropertyValue( m_aPropName ) >>= rName; + xPropertySet->getPropertyValue( m_aPropModule ) >>= rModule; + xPropertySet->getPropertyValue( m_aPropFactory ) >>= rServiceSpecifier; + } + catch ( const css::beans::UnknownPropertyException& ) + { + return false; + } + catch ( const css::lang::WrappedTargetException& ) + { + return false; + } + } + + return true; +} + +} // framework + +namespace { + +typedef ::cppu::WeakComponentImplHelper< + css::lang::XServiceInfo, + css::ui::XUIElementFactoryManager> UIElementFactoryManager_BASE; + +class UIElementFactoryManager : private cppu::BaseMutex, + public UIElementFactoryManager_BASE +{ + virtual void SAL_CALL disposing() override; +public: + explicit UIElementFactoryManager( const css::uno::Reference< css::uno::XComponentContext >& rxContext ); + + virtual OUString SAL_CALL getImplementationName() override + { + return "com.sun.star.comp.framework.UIElementFactoryManager"; + } + + 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 {"com.sun.star.ui.UIElementFactoryManager"}; + } + + // XUIElementFactory + virtual css::uno::Reference< css::ui::XUIElement > SAL_CALL createUIElement( const OUString& ResourceURL, const css::uno::Sequence< css::beans::PropertyValue >& Args ) override; + + // XUIElementFactoryRegistration + virtual css::uno::Sequence< css::uno::Sequence< css::beans::PropertyValue > > SAL_CALL getRegisteredFactories( ) override; + virtual css::uno::Reference< css::ui::XUIElementFactory > SAL_CALL getFactory( const OUString& ResourceURL, const OUString& ModuleIdentifier ) override; + virtual void SAL_CALL registerFactory( const OUString& aType, const OUString& aName, const OUString& aModuleIdentifier, const OUString& aFactoryImplementationName ) override; + virtual void SAL_CALL deregisterFactory( const OUString& aType, const OUString& aName, const OUString& aModuleIdentifier ) override; + +private: + bool m_bConfigRead; + css::uno::Reference< css::uno::XComponentContext > m_xContext; + rtl::Reference<ConfigurationAccess_FactoryManager> m_pConfigAccess; +}; + +UIElementFactoryManager::UIElementFactoryManager( const Reference< XComponentContext >& rxContext ) : + UIElementFactoryManager_BASE(m_aMutex), + m_bConfigRead( false ), + m_xContext(rxContext), + m_pConfigAccess( + new ConfigurationAccess_FactoryManager( + rxContext, + "/org.openoffice.Office.UI.Factories/Registered/UIElementFactories")) +{} + +void SAL_CALL UIElementFactoryManager::disposing() +{ + m_pConfigAccess.clear(); +} + +// XUIElementFactory +Reference< XUIElement > SAL_CALL UIElementFactoryManager::createUIElement( + const OUString& ResourceURL, + const Sequence< PropertyValue >& Args ) +{ + Reference< XFrame > xFrame; + OUString aModuleId; + { // SAFE + osl::MutexGuard g(rBHelper.rMutex); + if (rBHelper.bDisposed) { + throw css::lang::DisposedException( + "disposed", static_cast<OWeakObject *>(this)); + } + + if ( !m_bConfigRead ) + { + m_bConfigRead = true; + m_pConfigAccess->readConfigurationData(); + } + + // Retrieve the frame instance from the arguments to determine the module identifier. This must be provided + // to the search function. An empty module identifier is provided if the frame is missing or the module id cannot + // retrieve from it. + for ( auto const & arg : Args ) + { + if ( arg.Name == "Frame") + arg.Value >>= xFrame; + if (arg.Name == "Module") + arg.Value >>= aModuleId; + } + } // SAFE + + Reference< XModuleManager2 > xManager = ModuleManager::create( m_xContext ); + + // Determine the module identifier + try + { + if ( aModuleId.isEmpty() && xFrame.is() && xManager.is() ) + aModuleId = xManager->identify( Reference<XInterface>( xFrame, UNO_QUERY ) ); + + Reference< XUIElementFactory > xUIElementFactory = getFactory( ResourceURL, aModuleId ); + if ( xUIElementFactory.is() ) + return xUIElementFactory->createUIElement( ResourceURL, Args ); + } + catch ( const UnknownModuleException& ) + { + } + + throw NoSuchElementException(); +} + +// XUIElementFactoryRegistration +Sequence< Sequence< PropertyValue > > SAL_CALL UIElementFactoryManager::getRegisteredFactories() +{ + // SAFE + osl::MutexGuard g(rBHelper.rMutex); + if (rBHelper.bDisposed) { + throw css::lang::DisposedException( + "disposed", static_cast<OWeakObject *>(this)); + } + + if ( !m_bConfigRead ) + { + m_bConfigRead = true; + m_pConfigAccess->readConfigurationData(); + } + + return m_pConfigAccess->getFactoriesDescription(); +} + +Reference< XUIElementFactory > SAL_CALL UIElementFactoryManager::getFactory( const OUString& aResourceURL, const OUString& aModuleId ) +{ + OUString aServiceSpecifier; + { // SAFE + osl::MutexGuard g(rBHelper.rMutex); + if (rBHelper.bDisposed) { + throw css::lang::DisposedException( + "disposed", static_cast<OWeakObject *>(this)); + } + + if ( !m_bConfigRead ) + { + m_bConfigRead = true; + m_pConfigAccess->readConfigurationData(); + } + + OUString aType; + OUString aName; + + RetrieveTypeNameFromResourceURL( aResourceURL, aType, aName ); + + aServiceSpecifier = m_pConfigAccess->getFactorySpecifierFromTypeNameModule( aType, aName, aModuleId ); + } // SAFE + + if ( !aServiceSpecifier.isEmpty() ) try + { + Reference< XUIElementFactory > xFactory(m_xContext->getServiceManager()-> + createInstanceWithContext(aServiceSpecifier, m_xContext), UNO_QUERY); + SAL_WARN_IF(!xFactory.is(), "fwk.uielement", "could not create factory: " << aServiceSpecifier); + return xFactory; + } + catch ( const css::loader::CannotActivateFactoryException& ) + { + SAL_WARN("fwk.uielement", aServiceSpecifier << + " not available. This should happen only on mobile platforms."); + } + return Reference< XUIElementFactory >(); +} + +void SAL_CALL UIElementFactoryManager::registerFactory( const OUString& aType, const OUString& aName, const OUString& aModuleId, const OUString& aFactoryImplementationName ) +{ + // SAFE + osl::MutexGuard g(rBHelper.rMutex); + if (rBHelper.bDisposed) { + throw css::lang::DisposedException( + "disposed", static_cast<OWeakObject *>(this)); + } + + if ( !m_bConfigRead ) + { + m_bConfigRead = true; + m_pConfigAccess->readConfigurationData(); + } + + m_pConfigAccess->addFactorySpecifierToTypeNameModule( aType, aName, aModuleId, aFactoryImplementationName ); + // SAFE +} + +void SAL_CALL UIElementFactoryManager::deregisterFactory( const OUString& aType, const OUString& aName, const OUString& aModuleId ) +{ + // SAFE + osl::MutexGuard g(rBHelper.rMutex); + if (rBHelper.bDisposed) { + throw css::lang::DisposedException( + "disposed", static_cast<OWeakObject *>(this)); + } + + if ( !m_bConfigRead ) + { + m_bConfigRead = true; + m_pConfigAccess->readConfigurationData(); + } + + m_pConfigAccess->removeFactorySpecifierFromTypeNameModule( aType, aName, aModuleId ); + // SAFE +} + +struct Instance { + explicit Instance( + css::uno::Reference<css::uno::XComponentContext> const & context): + instance(static_cast<cppu::OWeakObject *>( + new UIElementFactoryManager(context))) + { + } + + css::uno::Reference<css::uno::XInterface> instance; +}; + +struct Singleton: + public rtl::StaticWithArg< + Instance, css::uno::Reference<css::uno::XComponentContext>, Singleton> +{}; + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_comp_framework_UIElementFactoryManager_get_implementation( + css::uno::XComponentContext *context, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(static_cast<cppu::OWeakObject *>( + Singleton::get(context).instance.get())); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |