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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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 FORMS_FORM_NAVIGATION_HXX
#define FORMS_FORM_NAVIGATION_HXX
#include <com/sun/star/frame/XDispatchProviderInterception.hpp>
#include <com/sun/star/frame/XStatusListener.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/util/XURLTransformer.hpp>
#include <cppuhelper/implbase2.hxx>
#include "featuredispatcher.hxx"
#include <vector>
#include <map>
#include <memory>
//.........................................................................
namespace frm
{
//.........................................................................
class UrlTransformer;
class ControlFeatureInterception;
//==================================================================
//= OFormNavigationHelper
//==================================================================
typedef ::cppu::ImplHelper2 < ::com::sun::star::frame::XDispatchProviderInterception
, ::com::sun::star::frame::XStatusListener
> OFormNavigationHelper_Base;
class OFormNavigationHelper
:public OFormNavigationHelper_Base
,public IFeatureDispatcher
{
private:
struct FeatureInfo
{
::com::sun::star::util::URL aURL;
::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatch > xDispatcher;
sal_Bool bCachedState;
::com::sun::star::uno::Any aCachedAdditionalState;
FeatureInfo() : bCachedState( sal_False ) { }
};
typedef ::std::map< sal_Int16, FeatureInfo > FeatureMap;
private:
::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >
m_xORB;
::std::auto_ptr< ControlFeatureInterception >
m_pFeatureInterception;
// all supported features
FeatureMap m_aSupportedFeatures;
// all features which we have an external dispatcher for
sal_Int32 m_nConnectedFeatures;
protected:
inline const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >&
getORB( ) const { return m_xORB; }
protected:
OFormNavigationHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB );
virtual ~OFormNavigationHelper();
// XComponent
void SAL_CALL dispose( ) throw( ::com::sun::star::uno::RuntimeException );
// XDispatchProviderInterception
virtual void SAL_CALL registerDispatchProviderInterceptor( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProviderInterceptor >& Interceptor ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL releaseDispatchProviderInterceptor( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProviderInterceptor >& Interceptor ) throw (::com::sun::star::uno::RuntimeException);
// XStatusListener
virtual void SAL_CALL statusChanged( const ::com::sun::star::frame::FeatureStateEvent& State ) throw (::com::sun::star::uno::RuntimeException);
// XEventListener
virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
// IFeatureDispatcher
virtual void dispatch( sal_Int16 _nFeatureId ) const;
virtual void dispatchWithArgument( sal_Int16 _nFeatureId, const sal_Char* _pParamName, const ::com::sun::star::uno::Any& _rParamValue ) const;
virtual bool isEnabled( sal_Int16 _nFeatureId ) const;
virtual bool getBooleanState( sal_Int16 _nFeatureId ) const;
virtual ::rtl::OUString getStringState( sal_Int16 _nFeatureId ) const;
virtual sal_Int32 getIntegerState( sal_Int16 _nFeatureId ) const;
// own overridables
/** is called when the interceptors have.
<p>The default implementations simply calls <member>updateDispatches</member>,
derived classes can prevent this in certain cases, or do additional handling.</p>
*/
virtual void interceptorsChanged( );
/** called when the status of a feature changed
<p>The default implementation does nothing.</p>
<p>If the feature in question does support more state information that just the
enabled/disabled state, then this additional information is to be retrieved in
a separate call.</p>
@param _nFeatureId
the id of the feature
@param _bEnabled
determines if the features is enabled or disabled
@see getBooleanState
*/
virtual void featureStateChanged( sal_Int16 _nFeatureId, sal_Bool _bEnabled );
/** notification for (potential) changes in the state of all features
<p>The base class implementation does nothing. Derived classes could force
their peer to update it's state, depending on the result of calls to
<member>IFeatureDispatcher::isEnabled</member>.</p>
*/
virtual void allFeatureStatesChanged( );
/** retrieves the list of supported features
<p>To be overridden by derived classes</p>
@param _rFeatureIds
the array of features to support. Out parameter to fill by the derivee's implementation
@pure
*/
virtual void getSupportedFeatures( ::std::vector< sal_Int16 >& /* [out] */ _rFeatureIds ) = 0;
protected:
/** update all our dispatches which are controlled by our dispatch interceptors
*/
void updateDispatches();
/** connect to the dispatch interceptors
*/
void connectDispatchers();
/** disconnect from the dispatch interceptors
*/
void disconnectDispatchers();
/** queries the interceptor chain for a dispatcher for the given URL
*/
::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatch >
queryDispatch( const ::com::sun::star::util::URL& _rURL );
/** invalidates the set of supported features
<p>This will invalidate all structures which are tied to the set of supported
features. All dispatches will be disconnected.<br/>
No automatic re-connection to potential external dispatchers is done, instead,
you have to call updateDispatches explicitly, if necessary.</p>
*/
void invalidateSupportedFeaturesSet();
private:
/** initialize m_aSupportedFeatures, if necessary
*/
void initializeSupportedFeatures();
};
//==================================================================
//= OFormNavigationMapper
//==================================================================
/** helper class mapping between feature ids and feature URLs
*/
class OFormNavigationMapper
{
private:
::std::auto_ptr< UrlTransformer > m_pUrlTransformer;
public:
OFormNavigationMapper(
const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB
);
~OFormNavigationMapper( );
/** retrieves the ASCII representation of a feature URL belonging to an id
@complexity O(log n)
@return NULL if the given id is not a known feature id (which is a valid usage)
*/
const char* getFeatureURLAscii( sal_Int16 _nFeatureId );
/** retrieves the feature URL belonging to an feature id
@complexity O(log n), with n being the number of all potentially known URLs
@return
<TRUE/> if and only if the given id is a known feature id
(which is a valid usage)
*/
bool getFeatureURL( sal_Int16 _nFeatureId, ::com::sun::star::util::URL& /* [out] */ _rURL );
/** retrieves the feature id belonging to an feature URL
@complexity O(n), with n being the number of all potentially known URLs
@return
the id of the feature URL, or -1 if the URl is not known
(which is a valid usage)
*/
sal_Int16 getFeatureId( const ::rtl::OUString& _rCompleteURL );
private:
OFormNavigationMapper( ); // never implemented
OFormNavigationMapper( const OFormNavigationMapper& ); // never implemented
OFormNavigationMapper& operator=( const OFormNavigationMapper& ); // never implemented
};
//.........................................................................
} // namespace frm
//.........................................................................
#endif // FORMS_FORM_NAVIGATION_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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