AOO410/main/forms/source/inc/InterfaceContainer.hxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _FRM_INTERFACE_CONTAINER_HXX_
#define _FRM_INTERFACE_CONTAINER_HXX_

#include <hash_map>
#include <comphelper/stl_types.hxx>
#include <comphelper/types.hxx>
#include <comphelper/uno3.hxx>
#include <com/sun/star/container/XNameReplace.hpp>
#include <com/sun/star/container/XIndexReplace.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/lang/XEventListener.hpp>
#include <com/sun/star/lang/EventObject.hpp>
#include <com/sun/star/container/XEnumerationAccess.hpp>
#include <com/sun/star/io/XPersistObject.hpp>
#include <com/sun/star/form/XFormComponent.hpp>
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <com/sun/star/beans/PropertyChangeEvent.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/script/XEventAttacherManager.hpp>
#include <com/sun/star/script/ScriptEvent.hpp>
#include <com/sun/star/script/ScriptEventDescriptor.hpp>
#include <com/sun/star/container/XContainer.hpp>
#include <com/sun/star/container/XIndexContainer.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/form/XFormComponent.hpp>
#include <com/sun/star/util/XCloneable.hpp>
#include <osl/mutex.hxx>
#include <cppuhelper/interfacecontainer.hxx>
#include <cppuhelper/component.hxx>
#include <cppuhelper/implbase8.hxx>

using namespace comphelper;

//.........................................................................
namespace frm
{
//.........................................................................


//==================================================================
	struct ElementDescription
	{
	public:
		::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >		xInterface;
		::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >	xPropertySet;
		::com::sun::star::uno::Reference< ::com::sun::star::container::XChild >		xChild;
		::com::sun::star::uno::Any													aElementTypeInterface;

	public:
		ElementDescription( );
		virtual ~ElementDescription();

	private:
		ElementDescription( const ElementDescription& );			// never implemented
		ElementDescription& operator=( const ElementDescription& );	// never implemented
	};

typedef ::std::vector<InterfaceRef> OInterfaceArray;
typedef ::std::hash_multimap< ::rtl::OUString, InterfaceRef, ::comphelper::UStringHash, ::comphelper::UStringEqual> OInterfaceMap;

//==================================================================
// OInterfaceContainer
// implements a container for form components
//==================================================================
typedef ::cppu::ImplHelper8 <   ::com::sun::star::container::XNameContainer
                            ,   ::com::sun::star::container::XIndexContainer
                            ,   ::com::sun::star::container::XContainer
                            ,   ::com::sun::star::container::XEnumerationAccess
                            ,   ::com::sun::star::script::XEventAttacherManager
                            ,   ::com::sun::star::beans::XPropertyChangeListener
                            ,   ::com::sun::star::io::XPersistObject
                            ,   ::com::sun::star::util::XCloneable
                            > OInterfaceContainer_BASE;

class OInterfaceContainer :	public OInterfaceContainer_BASE
{
protected:
	::osl::Mutex&							m_rMutex;

    OInterfaceArray							m_aItems;
    OInterfaceMap							m_aMap;
	::cppu::OInterfaceContainerHelper		m_aContainerListeners;

    const ::com::sun::star::uno::Type       m_aElementType;

	::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory>		m_xServiceFactory;


	// EventManager
	::com::sun::star::uno::Reference< ::com::sun::star::script::XEventAttacherManager> 	m_xEventAttacher;

public:
	OInterfaceContainer(
		const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory>& _rxFactory,
		::osl::Mutex& _rMutex,
		const ::com::sun::star::uno::Type& _rElementType);

    OInterfaceContainer( ::osl::Mutex& _rMutex, const OInterfaceContainer& _cloneSource );

    // late constructor for cloning
    void clonedFrom( const OInterfaceContainer& _cloneSource );

protected:
    virtual ~OInterfaceContainer();

public:
// ::com::sun::star::io::XPersistObject
	virtual ::rtl::OUString SAL_CALL getServiceName(  ) throw(::com::sun::star::uno::RuntimeException) = 0;
	virtual void SAL_CALL write( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectOutputStream >& OutStream ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL read( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectInputStream >& InStream ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);

// ::com::sun::star::lang::XEventListener
	virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& _rSource) throw(::com::sun::star::uno::RuntimeException);

// ::com::sun::star::beans::XPropertyChangeListener
	virtual void SAL_CALL propertyChange(const ::com::sun::star::beans::PropertyChangeEvent& evt) throw (::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XElementAccess
    virtual ::com::sun::star::uno::Type SAL_CALL getElementType() throw(::com::sun::star::uno::RuntimeException) ;
    virtual sal_Bool SAL_CALL hasElements() throw(::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XEnumerationAccess
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration> SAL_CALL createEnumeration() throw(::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XNameAccess
	virtual ::com::sun::star::uno::Any SAL_CALL getByName( const ::rtl::OUString& aName ) throw(::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
	virtual StringSequence SAL_CALL getElementNames(  ) throw(::com::sun::star::uno::RuntimeException);
	virtual sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName ) throw(::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XNameReplace
	virtual void SAL_CALL replaceByName(const ::rtl::OUString& Name, const ::com::sun::star::uno::Any& _rElement) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XNameContainer
	virtual void SAL_CALL insertByName(const ::rtl::OUString& Name, const ::com::sun::star::uno::Any& _rElement) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::container::ElementExistException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL removeByName(const ::rtl::OUString& Name) throw(::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XIndexAccess
	virtual sal_Int32 SAL_CALL getCount() throw(::com::sun::star::uno::RuntimeException);
	virtual ::com::sun::star::uno::Any SAL_CALL getByIndex(sal_Int32 _nIndex) throw(::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XIndexReplace
	virtual void SAL_CALL replaceByIndex(sal_Int32 _nIndex, const ::com::sun::star::uno::Any& _rElement) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XIndexContainer
	virtual void SAL_CALL insertByIndex(sal_Int32 _nIndex, const ::com::sun::star::uno::Any& Element) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL removeByIndex(sal_Int32 _nIndex) throw(::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);

// ::com::sun::star::container::XContainer
	virtual void SAL_CALL addContainerListener(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainerListener>& _rxListener) throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL removeContainerListener(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainerListener>& _rxListener) throw(::com::sun::star::uno::RuntimeException);

// ::com::sun::star::script::XEventAttacherManager
    virtual void SAL_CALL registerScriptEvent( sal_Int32 nIndex, const ::com::sun::star::script::ScriptEventDescriptor& aScriptEvent ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL registerScriptEvents( sal_Int32 nIndex, const ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor >& aScriptEvents ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL revokeScriptEvent( sal_Int32 nIndex, const ::rtl::OUString& aListenerType, const ::rtl::OUString& aEventMethod, const ::rtl::OUString& aRemoveListenerParam ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL revokeScriptEvents( sal_Int32 nIndex ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL insertEntry( sal_Int32 nIndex ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL removeEntry( sal_Int32 nIndex ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::com::sun::star::script::ScriptEventDescriptor > SAL_CALL getScriptEvents( sal_Int32 Index ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL attach( sal_Int32 nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xObject, const ::com::sun::star::uno::Any& aHelper ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::lang::ServiceNotRegisteredException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL detach( sal_Int32 nIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xObject ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL addScriptListener( const ::com::sun::star::uno::Reference< ::com::sun::star::script::XScriptListener >& xListener ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL removeScriptListener( const ::com::sun::star::uno::Reference< ::com::sun::star::script::XScriptListener >& Listener ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);

protected:
	// helper
	virtual void SAL_CALL disposing();
	virtual void removeElementsNoEvents(sal_Int32 nIndex);

	/** to be overridden if elements which are to be inserted into the container shall be checked

		<p>the ElementDescription given can be used to cache information about the object - it will be passed
		later on to implInserted/implReplaced.</p>
	*/
	virtual void approveNewElement(
					const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject,
					ElementDescription* _pElement
				);

	virtual ElementDescription* createElementMetaData( );

	/** inserts an object into our internal structures

		@param _nIndex
			the index at which position it should be inserted
		@param _bEvents
			if <TRUE/>, event knittings will be done
		@param _pApprovalResult
			must contain the result of an approveNewElement call. Can be <NULL/>, in this case, the approval
			is done within implInsert.
		@param _bFire
			if <TRUE/>, a notification about the insertion will be fired
	*/
			void implInsert(
				sal_Int32 _nIndex,
				const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxObject,
				sal_Bool _bEvents /* = sal_True */,
				ElementDescription* _pApprovalResult /* = NULL */ ,
				sal_Bool _bFire /* = sal_True */
			) throw(::com::sun::star::lang::IllegalArgumentException);

	// called after the object is inserted, but before the "real listeners" are notified
	virtual void implInserted( const ElementDescription* _pElement );
	// called after the object is removed, but before the "real listeners" are notified
	virtual void implRemoved(const InterfaceRef& _rxObject);

    /** called after an object was replaced. The default implementation notifies our listeners, after releasing
        the instance lock.
    */
	virtual void impl_replacedElement(
                    const ::com::sun::star::container::ContainerEvent& _rEvent,
                    ::osl::ClearableMutexGuard& _rInstanceLock
                );

	void SAL_CALL writeEvents(const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectOutputStream>& _rxOutStream);
	void SAL_CALL readEvents(const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectInputStream>& _rxInStream);

	/** replace an element, specified by position

		@precond <arg>_nIndex</arg> is a valid index
		@precond our mutex is locked exactly once, by the guard specified with <arg>_rClearBeforeNotify</arg>
		  
	*/
	void implReplaceByIndex(
			const sal_Int32 _nIndex,
			const ::com::sun::star::uno::Any& _rNewElement,
			::osl::ClearableMutexGuard& _rClearBeforeNotify
		);

	/** removes an element, specified by position

		@precond <arg>_nIndex</arg> is a valid index
		@precond our mutex is locked exactly once, by the guard specified with <arg>_rClearBeforeNotify</arg>
		  
	*/
	void implRemoveByIndex(
			const sal_Int32 _nIndex,
			::osl::ClearableMutexGuard& _rClearBeforeNotify
		);

	/** validates the given index
		@throws ::com::sun::star::lang::IndexOutOfBoundsException
			if the given index does not denote a valid position in our childs array
	*/
	void implCheckIndex( const sal_Int32 _nIndex ) SAL_THROW( ( ::com::sun::star::lang::IndexOutOfBoundsException ) );

private:
	// hack for Vba Events
    void impl_addVbEvents_nolck_nothrow( const sal_Int32 i_nIndex );

	// the runtime event format has changed from version SO5.2 to OOo
	enum EventFormat
	{
		efVersionSO5x,
		efVersionSO6x
	};
	void	transformEvents( const EventFormat _eTargetFormat );

    void    impl_createEventAttacher_nothrow();
};

//==================================================================
//= OFormComponents
//==================================================================
typedef ::cppu::ImplHelper1< ::com::sun::star::form::XFormComponent> OFormComponents_BASE;
typedef ::cppu::OComponentHelper FormComponentsBase;
	// else MSVC kills itself on some statements
class OFormComponents   :public FormComponentsBase
						,public OInterfaceContainer
						,public OFormComponents_BASE
{
protected:
	::osl::Mutex				m_aMutex;
	::comphelper::InterfaceRef 	m_xParent;

public:
	OFormComponents(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory>& _rxFactory);
    OFormComponents( const OFormComponents& _cloneSource );
	virtual ~OFormComponents();

	DECLARE_UNO3_AGG_DEFAULTS(OFormComponents, FormComponentsBase);

	virtual ::com::sun::star::uno::Any SAL_CALL queryAggregation(const ::com::sun::star::uno::Type& _rType) throw(::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL getTypes(  ) throw(::com::sun::star::uno::RuntimeException);

// OComponentHelper
	virtual void SAL_CALL disposing();

// ::com::sun::star::form::XFormComponent
	virtual ::comphelper::InterfaceRef SAL_CALL getParent() throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL setParent(const ::comphelper::InterfaceRef& Parent) throw(::com::sun::star::lang::NoSupportException, ::com::sun::star::uno::RuntimeException);

    // XEventListener
    using OInterfaceContainer::disposing;
};
//.........................................................................
}	// namespace frm
//.........................................................................

#endif          // _FRM_INTERFACE_CONTAINER_HXX_