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Diffstat (limited to 'ucbhelper/inc/ucbhelper/contenthelper.hxx')
| -rw-r--r-- | ucbhelper/inc/ucbhelper/contenthelper.hxx | 524 |
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diff --git a/ucbhelper/inc/ucbhelper/contenthelper.hxx b/ucbhelper/inc/ucbhelper/contenthelper.hxx new file mode 100644 index 000000000000..7950f9b84053 --- /dev/null +++ b/ucbhelper/inc/ucbhelper/contenthelper.hxx @@ -0,0 +1,524 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _UCBHELPER_CONTENTHELPER_HXX +#define _UCBHELPER_CONTENTHELPER_HXX + +#include <com/sun/star/beans/XPropertyContainer.hpp> +#include <com/sun/star/beans/XPropertiesChangeNotifier.hpp> +#include <com/sun/star/ucb/XCommandProcessor.hpp> +#include <com/sun/star/ucb/XContent.hpp> +#include <com/sun/star/beans/XPropertySetInfoChangeNotifier.hpp> +#include <com/sun/star/ucb/XCommandInfoChangeNotifier.hpp> +#include <com/sun/star/container/XChild.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/lang/XTypeProvider.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/lang/XComponent.hpp> +#include <com/sun/star/ucb/CommandAbortedException.hpp> +#include <cppuhelper/weak.hxx> + +#include "osl/mutex.hxx" +#include "rtl/ref.hxx" +#include <ucbhelper/macros.hxx> +#include "ucbhelper/ucbhelperdllapi.h" + +namespace com { namespace sun { namespace star { namespace ucb { + struct CommandInfo; + class XCommandEnvironment; + class XCommandInfo; + class XPersistentPropertySet; +} } } } + +namespace com { namespace sun { namespace star { namespace beans { + struct Property; + class XPropertySetInfo; +} } } } + +namespace ucbhelper_impl { struct ContentImplHelper_Impl; } + +namespace ucbhelper +{ + +//========================================================================= + +class ContentProviderImplHelper; + +/** + * This is an abstract base class for implementations of the service + * com.sun.star.ucb.Content. Implementations derived from this class are + * objects provided by implementations derived from + * class ucb::ContentProviderImplHelper. + * + * Features of the base class implementation: + * - standard interfaces ( XInterface, XTypeProvider, XServiceInfo ) + * - all required interfaces for service com::sun::star::ucb::Content + * - all required listener containers + * ( XComponent, XPropertiesChangeNotifier, XPropertySetInfoChangeNotifier, + * XCommandInfoChangeNotifier ) + * - XPropertyContainer implementation ( persistence is implemented using + * service com.sun.star.ucb.Store ) + * - complete XPropertySetInfo implementation ( including Additioanl Core + * Properties supplied via XPropertyContainer interface ) + * -> protected method: getPropertySetInfo + * - complete XCommandInfo implementation + * -> protected method: getCommandInfo + */ +class UCBHELPER_DLLPUBLIC ContentImplHelper : + public cppu::OWeakObject, + public com::sun::star::lang::XTypeProvider, + public com::sun::star::lang::XServiceInfo, + public com::sun::star::lang::XComponent, + public com::sun::star::ucb::XContent, + public com::sun::star::ucb::XCommandProcessor, + public com::sun::star::beans::XPropertiesChangeNotifier, + public com::sun::star::beans::XPropertyContainer, + public com::sun::star::beans::XPropertySetInfoChangeNotifier, + public com::sun::star::ucb::XCommandInfoChangeNotifier, + public com::sun::star::container::XChild +{ + friend class PropertySetInfo; + friend class CommandProcessorInfo; + + ucbhelper_impl::ContentImplHelper_Impl* m_pImpl; + +protected: + osl::Mutex m_aMutex; + com::sun::star::uno::Reference< com::sun::star::lang::XMultiServiceFactory > + m_xSMgr; + com::sun::star::uno::Reference< com::sun::star::ucb::XContentIdentifier > + m_xIdentifier; + rtl::Reference< ContentProviderImplHelper > + m_xProvider; + sal_uInt32 m_nCommandId; + +private: + /** + * Your implementation of this method must return a sequence containing + * the meta data of the properties supported by the content. + * Note: If you wish to provide your own implementation of the interface + * XPropertyContainer ( completely override addContent and removeContent + * implementation of this base class in this case ), you can supply the + * meta data for your Additional Core Properties here to get a fully + * featured getPropertySetInfo method ( see below ). + * + * @param xEnv is an environment to use for example, for interactions. + * @return a sequence containing the property meta data. + */ + UCBHELPER_DLLPRIVATE + virtual com::sun::star::uno::Sequence< com::sun::star::beans::Property > + getProperties( const com::sun::star::uno::Reference< + com::sun::star::ucb::XCommandEnvironment > & xEnv ) = 0; + + /** + * Your implementation of this method must return a sequence containing + * the meta data of the commands supported by the content. + * + * @param xEnv is an environment to use for example, for interactions. + * @return a sequence containing the command meta data. + */ + UCBHELPER_DLLPRIVATE + virtual com::sun::star::uno::Sequence< com::sun::star::ucb::CommandInfo > + getCommands( const com::sun::star::uno::Reference< + com::sun::star::ucb::XCommandEnvironment > & xEnv ) = 0; + + /** + * The implementation of this method shall return the URL of the parent + * of your content. + * + * @return the URL of the parent content or an empty string. + * Note that not all contents must have one parent. There may + * be contents with no parent. In that case an empty string must + * be returned. If your content has more than one parent you may + * return the URL of one "preferred" parent or an empty string. + */ + UCBHELPER_DLLPRIVATE virtual ::rtl::OUString getParentURL() = 0; + +protected: + /** + * This method returns complete meta data for the properties ( including + * Additional Core Properties supplied via XPropertyContainer interface ) + * supported by the content. To implement the required command + * "getPropertySetInfo" simply return the return value of this method. + * + * @param xEnv is an environment to use for example, for interactions. + * @param bCache indicates, whether the implemetation should use + * cached data, if exist. + * @return an XPropertySetInfo implementation object containing meta data + * for the properties supported by this content. + */ + com::sun::star::uno::Reference< com::sun::star::beans::XPropertySetInfo > + getPropertySetInfo( const com::sun::star::uno::Reference< + com::sun::star::ucb::XCommandEnvironment > & xEnv, + sal_Bool bCache = sal_True ); + + /** + * This method returns complete meta data for the commands supported by + * the content. To implement the required command "getCommandInfo" simply + * return the return value of this method. + * + * @param xEnv is an environment to use for example, for interactions. + * @param bCache indicates, whether the implemetation should use + * cached data, if exist. + * @return an XCommandInfo implementation object containing meta data + * for the commands supported by this content. + */ + com::sun::star::uno::Reference< com::sun::star::ucb::XCommandInfo > + getCommandInfo( const com::sun::star::uno::Reference< + com::sun::star::ucb::XCommandEnvironment > & xEnv, + sal_Bool bCache = sal_True ); + + /** + * This method can be used to propagate changes of property values. + * + * @param evt is a sequence of property change events. + */ + void notifyPropertiesChange( + const com::sun::star::uno::Sequence< + com::sun::star::beans::PropertyChangeEvent >& evt ) const; + + /** + * This method can be used to propagate changes of the propertyset + * info of your content (i.e. this happens if a new property is added + * to your content via its XPropertyContainer interface). This base class + * automatically generates events when the propertyset info changes. If + * you provide your own implementations of addproperty and removeProperty, + * then you must call "notifyPropertySetInfoChange" by yourself. + * + * @param evt is a sequence of property change events. + */ + void notifyPropertySetInfoChange( + const com::sun::star::beans::PropertySetInfoChangeEvent& evt ) const; + + /** + * This method can be used to propagate changes of the command info of + * your content. This can happen at any time if there shall be a new + * command available at a content or a currently present command shall no + * longer be present. (i.e. only if the content count of a trash can + * object is greater then zero, there will be available a command + * "emptyTrash". If there are no objects in the trash can, this command + * won't be available. + * + * @param evt is a sequence of command info change events. + */ + void notifyCommandInfoChange( + const com::sun::star::ucb::CommandInfoChangeEvent& evt ) const; + + /** + * This method can be used to propagate content events. + * + * @param evt is a sequence of content events. + */ + void notifyContentEvent( + const com::sun::star::ucb::ContentEvent& evt ) const; + + /** + * Use this method to announce the insertion of this content at + * the end of your implementation of the command "insert". The + * implementation of is method propagates a ContentEvent( INSERTED ). + */ + void inserted(); + + /** + * Use this method to announce the destruction of this content at + * the end of your implementation of the command "delete". The + * implementation of is method propagates a ContentEvent( DELETED ) + * and a ContentEvent( REMOVED ) at the parent of the deleted content, + * if a parent exists. + */ + void deleted(); + + /** + * Use this method to change the identity of a content. The implementation + * of this method will replace the content identifier of the content and + * propagate the appropriate ContentEvent( EXCHANGED ). + * + * @param rNewId is the new content identifier for the contant. + * @return a success indicator. + */ + sal_Bool exchange( const com::sun::star::uno::Reference< + com::sun::star::ucb::XContentIdentifier >& rNewId ); + + /** + * Use this method to get access to the Additional Core Properties of + * the content ( added using content's XPropertyContainer interface ). + * If you supply your own XPropertyContainer implementation, this method + * will always return an empty propertyset. + * + * @param bCreate indicates whether a new propertyset shall be created + * if it does not exist. + * @return the implementation of the service + * com.sun.star.ucb.PersistentPropertySet. + */ + com::sun::star::uno::Reference< + com::sun::star::ucb::XPersistentPropertySet > + getAdditionalPropertySet( sal_Bool bCreate ); + + /** + * This method renames the propertyset containing the Additional Core + * Properties of the content. + * + * @param rOldKey is the old key of the propertyset. + * @param rNewKey is the new key for the propertyset. + * @param bRecursive is a flag indicating whether propertysets for + * children described by rOldKey shall be renamed too. + * @return True, if the operation succeeded - False, otherwise. + */ + sal_Bool renameAdditionalPropertySet( const ::rtl::OUString& rOldKey, + const ::rtl::OUString& rNewKey, + sal_Bool bRecursive ); + + /** + * This method copies the propertyset containing the Additional Core + * Properties of the content. + * + * @param rSourceKey is the key of the source propertyset. + * @param rTargetKey is the key of the target propertyset. + * @param bRecursive is a flag indicating whether propertysets for + * children described by rSourceKey shall be copied too. + * @return True, if the operation succeeded - False, otherwise. + */ + sal_Bool copyAdditionalPropertySet( const ::rtl::OUString& rSourceKey, + const ::rtl::OUString& rTargetKey, + sal_Bool bRecursive ); + + /** + * This method removes the propertyset containing the Additional Core + * Properties of the content. + * + * @param bRecursive is a flag indicating whether propertysets for + * children described by rOldKey shall be removed too. + * @return True, if the operation succeeded - False, otherwise. + */ + sal_Bool removeAdditionalPropertySet( sal_Bool bRecursive ); + +public: + /** + * Constructor. + * + * Note that the implementation of this ctor registers itself at its + * content provider. The provider implementation inserts the content + * in a hash map. So it easyly can be found and reused when the provider + * is asked for a content. + * + * @param rxSMgr is a Service Manager. + * @param rxProvider is the provider for the content. + * @param Identifier is the content identifier for the content. + */ + ContentImplHelper( + const com::sun::star::uno::Reference< + com::sun::star::lang::XMultiServiceFactory >& rxSMgr, + const rtl::Reference< ContentProviderImplHelper >& rxProvider, + const com::sun::star::uno::Reference< + com::sun::star::ucb::XContentIdentifier >& Identifier ); + + /** + * Destructor. + * + * Note that the implementation of this dtor deregisters itself from its + * content provider. The provider implementation removes the content + * from a hash map. + */ + virtual ~ContentImplHelper(); + + // XInterface + XINTERFACE_DECL() + + // XTypeProvider + XTYPEPROVIDER_DECL() + + // XServiceInfo + virtual ::rtl::OUString SAL_CALL + getImplementationName() + throw( ::com::sun::star::uno::RuntimeException ) = 0; + virtual sal_Bool SAL_CALL + supportsService( const ::rtl::OUString& ServiceName ) + throw( ::com::sun::star::uno::RuntimeException ); + virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL + getSupportedServiceNames() + throw( ::com::sun::star::uno::RuntimeException ) = 0; + + // XComponent + virtual void SAL_CALL + dispose() + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + addEventListener( const com::sun::star::uno::Reference< + com::sun::star::lang::XEventListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + removeEventListener( const com::sun::star::uno::Reference< + com::sun::star::lang::XEventListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + + // XContent + virtual com::sun::star::uno::Reference< + com::sun::star::ucb::XContentIdentifier > SAL_CALL + getIdentifier() + throw( com::sun::star::uno::RuntimeException ); + virtual rtl::OUString SAL_CALL + getContentType() + throw( com::sun::star::uno::RuntimeException ) = 0; + virtual void SAL_CALL + addContentEventListener( + const com::sun::star::uno::Reference< + com::sun::star::ucb::XContentEventListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + removeContentEventListener( + const com::sun::star::uno::Reference< + com::sun::star::ucb::XContentEventListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + + // XCommandProcessor + virtual sal_Int32 SAL_CALL + createCommandIdentifier() + throw( com::sun::star::uno::RuntimeException ); + virtual com::sun::star::uno::Any SAL_CALL + execute( const com::sun::star::ucb::Command& aCommand, + sal_Int32 CommandId, + const com::sun::star::uno::Reference< + com::sun::star::ucb::XCommandEnvironment >& Environment ) + throw( com::sun::star::uno::Exception, + com::sun::star::ucb::CommandAbortedException, + com::sun::star::uno::RuntimeException ) = 0; + virtual void SAL_CALL + abort( sal_Int32 CommandId ) + throw( com::sun::star::uno::RuntimeException ) = 0; + + // XPropertiesChangeNotifier + virtual void SAL_CALL + addPropertiesChangeListener( + const com::sun::star::uno::Sequence< rtl::OUString >& PropertyNames, + const com::sun::star::uno::Reference< + com::sun::star::beans::XPropertiesChangeListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + removePropertiesChangeListener( + const com::sun::star::uno::Sequence< rtl::OUString >& PropertyNames, + const com::sun::star::uno::Reference< + com::sun::star::beans::XPropertiesChangeListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + + // XCommandInfoChangeNotifier + virtual void SAL_CALL + addCommandInfoChangeListener( + const com::sun::star::uno::Reference< + com::sun::star::ucb::XCommandInfoChangeListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + removeCommandInfoChangeListener( + const com::sun::star::uno::Reference< + ::com::sun::star::ucb::XCommandInfoChangeListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + + // XPropertyContainer + + /** + * This method adds a property to the content according to the interface + * specification. The properties will be stored using the service + * com.sun.star.ucb.Store. + * + * Note: You may provide your own implementation of this method, for + * instance, if your data source supports adding/removing of properties. + * Don't forget to return the meta data for these properties in your + * implementation of getPropertyInfoTable. + */ + virtual void SAL_CALL + addProperty( const rtl::OUString& Name, + sal_Int16 Attributes, + const com::sun::star::uno::Any& DefaultValue ) + throw( com::sun::star::beans::PropertyExistException, + com::sun::star::beans::IllegalTypeException, + com::sun::star::lang::IllegalArgumentException, + com::sun::star::uno::RuntimeException ); + + /** + * This method removes a property from the content according to the + * interface specification. The properties will be stored using the + * service com.sun.star.ucb.Store. + * + * Note: You may provide your own implementation of this method, for + * instance, if your data source supports adding/removing of properties. + * Don't forget to return the meta data for these properties in your + * implementation of getPropertyInfoTable. + */ + virtual void SAL_CALL + removeProperty( const rtl::OUString& Name ) + throw( com::sun::star::beans::UnknownPropertyException, + com::sun::star::beans::NotRemoveableException, + com::sun::star::uno::RuntimeException ); + + // XPropertySetInfoChangeNotifier + virtual void SAL_CALL + addPropertySetInfoChangeListener( + const com::sun::star::uno::Reference< + com::sun::star::beans::XPropertySetInfoChangeListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + virtual void SAL_CALL + removePropertySetInfoChangeListener( + const com::sun::star::uno::Reference< + com::sun::star::beans::XPropertySetInfoChangeListener >& Listener ) + throw( com::sun::star::uno::RuntimeException ); + + // XChild + + /** + * This method returns the content representing the parent of a content, + * if such a parent exists. The implementation of this method uses your + * implementation of getParentURL. + */ + virtual com::sun::star::uno::Reference< + com::sun::star::uno::XInterface > SAL_CALL + getParent() + throw( com::sun::star::uno::RuntimeException ); + + /** + * The implementation of this method always throws a NoSupportException. + */ + virtual void SAL_CALL + setParent( const com::sun::star::uno::Reference< + com::sun::star::uno::XInterface >& Parent ) + throw( com::sun::star::lang::NoSupportException, + com::sun::star::uno::RuntimeException ); + + ////////////////////////////////////////////////////////////////////// + // Non-interface methods. + ////////////////////////////////////////////////////////////////////// + + /** + * This method returns the provider of the content. + * + * @return the provider of the content. + */ + const rtl::Reference< ContentProviderImplHelper >& getProvider() const + { return m_xProvider; } +}; + +} // namespace ucbhelper + +#endif /* !_UCBHELPER_CONTENTHELPER_HXX */ |