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/* -*- 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 .
*/
#ifndef INCLUDED_DBACCESS_SOURCE_UI_INC_SBAMULTIPLEX_HXX
#define INCLUDED_DBACCESS_SOURCE_UI_INC_SBAMULTIPLEX_HXX
#include <com/sun/star/beans/XVetoableChangeListener.hpp>
#include <com/sun/star/form/XUpdateListener.hpp>
#include <com/sun/star/form/XErrorListener.hpp>
#include <com/sun/star/form/XRestoreListener.hpp>
#include <com/sun/star/form/XInsertListener.hpp>
#include <com/sun/star/form/XDeleteListener.hpp>
#include <com/sun/star/form/XPositioningListener.hpp>
#include <com/sun/star/form/XDatabaseParameterListener.hpp>
#include <com/sun/star/form/XLoadListener.hpp>
#include <com/sun/star/beans/XPropertyStateChangeListener.hpp>
#include <com/sun/star/beans/XPropertiesChangeListener.hpp>
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <com/sun/star/form/XSubmitListener.hpp>
#include <com/sun/star/form/XResetListener.hpp>
#include <com/sun/star/util/XRefreshListener.hpp>
#include <com/sun/star/sdb/XSQLErrorListener.hpp>
#include <com/sun/star/sdb/XRowSetApproveListener.hpp>
#include <com/sun/star/sdbc/XRowSetListener.hpp>
#include <com/sun/star/frame/XStatusListener.hpp>
#include <comphelper/uno3.hxx>
#include <cppuhelper/interfacecontainer.hxx>
#include <comphelper/interfacecontainer2.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/weak.hxx>
namespace dbaui
{
// TODO : replace this class if MM provides a WeakSubObject in cppu
class OSbaWeakSubObject : public ::cppu::OWeakObject
{
protected:
::cppu::OWeakObject& m_rParent;
public:
OSbaWeakSubObject(::cppu::OWeakObject& rParent) : m_rParent(rParent) { }
virtual void SAL_CALL acquire() throw() override { m_rParent.acquire(); }
virtual void SAL_CALL release() throw() override { m_rParent.release(); }
};
// declaration of a listener multiplexer class
#define BEGIN_DECLARE_LISTENER_MULTIPLEXER(classname, listenerclass) \
class classname \
:public OSbaWeakSubObject \
,public listenerclass \
,public ::comphelper::OInterfaceContainerHelper2 \
{ \
public: \
classname( ::cppu::OWeakObject& rSource, \
::osl::Mutex& rMutex); \
DECLARE_UNO3_DEFAULTS(classname, OSbaWeakSubObject) \
virtual css::uno::Any SAL_CALL queryInterface( \
const css::uno::Type& _rType) override; \
\
/* css::lang::XEventListener */ \
virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override; \
#define DECLARE_MULTIPLEXER_VOID_METHOD(methodname, eventtype) \
virtual void SAL_CALL methodname(const eventtype& e) override; \
#define DECLARE_MULTIPLEXER_BOOL_METHOD(methodname, eventtype) \
virtual sal_Bool SAL_CALL methodname(const eventtype& e) override; \
#define END_DECLARE_LISTENER_MULTIPLEXER() \
/* resolve ambiguity : both OWeakObject and OInterfaceContainerHelper2 have these memory operators */ \
using OSbaWeakSubObject::operator new; \
using OSbaWeakSubObject::operator delete; \
}; \
// implementation of a listener multiplexer class
#define IMPLEMENT_LISTENER_MULTIPLEXER_CORE(classname, listenerclass) \
\
classname::classname(::cppu::OWeakObject& rSource, ::osl::Mutex& _rMutex) \
:OSbaWeakSubObject(rSource) \
,OInterfaceContainerHelper2(_rMutex) \
{ \
} \
\
css::uno::Any SAL_CALL classname::queryInterface( \
const css::uno::Type& _rType) \
{ \
css::uno::Any aReturn = \
OSbaWeakSubObject::queryInterface(_rType); \
if (!aReturn.hasValue()) \
aReturn = ::cppu::queryInterface(_rType, \
static_cast< listenerclass* >(this), \
static_cast< css::lang::XEventListener* >(static_cast< listenerclass* >(this)) \
); \
\
return aReturn; \
} \
void SAL_CALL classname::disposing(const css::lang::EventObject& )\
{ \
} \
#define IMPLEMENT_LISTENER_MULTIPLEXER_VOID_METHOD(classname, listenerclass, methodname, eventtype) \
void SAL_CALL classname::methodname(const eventtype& e) \
{ \
eventtype aMulti(e); \
aMulti.Source = &m_rParent; \
::comphelper::OInterfaceIteratorHelper2 aIt(*this); \
while (aIt.hasMoreElements()) \
static_cast< listenerclass*>(aIt.next())->methodname(aMulti); \
} \
#define IMPLEMENT_LISTENER_MULTIPLEXER_BOOL_METHOD(classname, listenerclass, methodname, eventtype) \
sal_Bool SAL_CALL classname::methodname(const eventtype& e) \
{ \
eventtype aMulti(e); \
aMulti.Source = &m_rParent; \
::comphelper::OInterfaceIteratorHelper2 aIt(*this); \
bool bResult = true; \
while (bResult && aIt.hasMoreElements()) \
bResult = static_cast< listenerclass*>(aIt.next())->methodname(aMulti); \
return bResult; \
} \
// helper for classes which do event multiplexing
#define IMPLEMENT_LISTENER_ADMINISTRATION(classname, listenernamespace, listenerdesc, multiplexer, braodcasterclass, broadcaster) \
void SAL_CALL classname::add##listenerdesc(const css::uno::Reference< css::listenernamespace::X##listenerdesc >& l)\
{ \
multiplexer.addInterface(l); \
if (multiplexer.getLength() == 1) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->add##listenerdesc(&multiplexer); \
} \
} \
void SAL_CALL classname::remove##listenerdesc(const css::uno::Reference< css::listenernamespace::X##listenerdesc >& l)\
{ \
if (multiplexer.getLength() == 1) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->remove##listenerdesc(&multiplexer); \
} \
multiplexer.removeInterface(l); \
} \
#define STOP_MULTIPLEXER_LISTENING(listenerdesc, multiplexer, braodcasterclass, broadcaster) \
if (multiplexer.getLength()) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->remove##listenerdesc(&multiplexer); \
} \
#define START_MULTIPLEXER_LISTENING(listenerdesc, multiplexer, braodcasterclass, broadcaster) \
if (multiplexer.getLength()) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->add##listenerdesc(&multiplexer); \
} \
// declaration of property listener multiplexers
// (with support for specialized and unspecialized property listeners)
#define DECLARE_PROPERTY_MULTIPLEXER(classname, listenerclass, methodname, eventtype) \
class classname final \
:public OSbaWeakSubObject \
,public listenerclass \
{ \
typedef ::cppu::OMultiTypeInterfaceContainerHelperVar< \
OUString > ListenerContainerMap; \
ListenerContainerMap m_aListeners; \
\
public: \
classname( ::cppu::OWeakObject& rSource, ::osl::Mutex& rMutex ); \
DECLARE_UNO3_DEFAULTS(classname, OSbaWeakSubObject) \
virtual css::uno::Any SAL_CALL queryInterface( \
const css::uno::Type& _rType) override; \
\
/* css::lang::XEventListener */ \
virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override; \
\
virtual void SAL_CALL methodname(const eventtype& e) override; \
\
void addInterface(const OUString& rName, const css::uno::Reference< css::uno::XInterface >& rListener); \
void removeInterface(const OUString& rName, const css::uno::Reference< css::uno::XInterface >& rListener); \
\
void disposeAndClear(); \
\
sal_Int32 getOverallLen() const; \
\
::cppu::OInterfaceContainerHelper* getContainer(const OUString& rName) \
{ return m_aListeners.getContainer(rName); } \
\
private: \
void Notify(::cppu::OInterfaceContainerHelper& rListeners, const eventtype& e); \
}; \
// implementation of property listener multiplexers
#define IMPLEMENT_PROPERTY_MULTIPLEXER(classname, listenerclass, methodname, eventtype) \
classname::classname(::cppu::OWeakObject& rSource, ::osl::Mutex& rMutex) \
:OSbaWeakSubObject(rSource) \
,m_aListeners(rMutex) \
{ \
} \
\
css::uno::Any SAL_CALL classname::queryInterface( \
const css::uno::Type& _rType) \
{ \
css::uno::Any aReturn = \
OSbaWeakSubObject::queryInterface(_rType); \
if (!aReturn.hasValue()) \
aReturn = ::cppu::queryInterface(_rType, \
static_cast< listenerclass* >(this), \
static_cast< css::lang::XEventListener* >(static_cast< listenerclass* >(this)) \
); \
\
return aReturn; \
} \
void SAL_CALL classname::disposing(const css::lang::EventObject& )\
{ \
} \
\
void SAL_CALL classname::methodname(const eventtype& e) \
{ \
::cppu::OInterfaceContainerHelper* pListeners = m_aListeners.getContainer(e.PropertyName); \
if (pListeners) \
Notify(*pListeners, e); \
\
/* do the notification for the unspecialized listeners, too */ \
pListeners = m_aListeners.getContainer(OUString()); \
if (pListeners) \
Notify(*pListeners, e); \
} \
\
void classname::addInterface(const OUString& rName, \
const css::uno::Reference< css::uno::XInterface > & rListener) \
{ \
m_aListeners.addInterface(rName, rListener); \
} \
\
void classname::removeInterface(const OUString& rName, \
const css::uno::Reference< css::uno::XInterface > & rListener) \
{ \
m_aListeners.removeInterface(rName, rListener); \
} \
\
void classname::disposeAndClear() \
{ \
css::lang::EventObject aEvt(m_rParent); \
m_aListeners.disposeAndClear(aEvt); \
} \
\
sal_Int32 classname::getOverallLen() const \
{ \
sal_Int32 nLen = 0; \
css::uno::Sequence< OUString > aContained = m_aListeners.getContainedTypes(); \
const OUString* pContained = aContained.getConstArray(); \
for ( sal_Int32 i=0; i<aContained.getLength(); ++i, ++pContained) \
{ \
::cppu::OInterfaceContainerHelper* pListeners = m_aListeners.getContainer(*pContained); \
if (!pListeners) \
continue; \
nLen += pListeners->getLength(); \
} \
return nLen; \
} \
\
void classname::Notify(::cppu::OInterfaceContainerHelper& rListeners, const eventtype& e) \
{ \
eventtype aMulti(e); \
aMulti.Source = &m_rParent; \
::cppu::OInterfaceIteratorHelper aIt(rListeners); \
while (aIt.hasMoreElements()) \
static_cast< listenerclass*>(aIt.next())->methodname(aMulti); \
} \
// helper for classes which do property event multiplexing
#define IMPLEMENT_PROPERTY_LISTENER_ADMINISTRATION(classname, listenerdesc, multiplexer, braodcasterclass, broadcaster) \
void SAL_CALL classname::add##listenerdesc(const OUString& rName, const css::uno::Reference< css::beans::X##listenerdesc >& l )\
{ \
multiplexer.addInterface(rName, l); \
if (multiplexer.getOverallLen() == 1) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->add##listenerdesc(OUString(), &multiplexer); \
} \
} \
void SAL_CALL classname::remove##listenerdesc(const OUString& rName, const css::uno::Reference< css::beans::X##listenerdesc >& l )\
{ \
if (multiplexer.getOverallLen() == 1) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->remove##listenerdesc(OUString(), &multiplexer); \
} \
multiplexer.removeInterface(rName, l); \
} \
#define STOP_PROPERTY_MULTIPLEXER_LISTENING(listenerdesc, multiplexer, braodcasterclass, broadcaster) \
if (multiplexer.getOverallLen()) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->remove##listenerdesc(OUString(), &multiplexer); \
} \
#define START_PROPERTY_MULTIPLEXER_LISTENING(listenerdesc, multiplexer, braodcasterclass, broadcaster) \
if (multiplexer.getOverallLen()) \
{ \
css::uno::Reference< braodcasterclass > xBroadcaster(broadcaster, css::uno::UNO_QUERY); \
if (xBroadcaster.is()) \
xBroadcaster->add##listenerdesc(OUString(), &multiplexer); \
} \
// some listener multiplexers
// css::frame::XStatusListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXStatusMultiplexer, css::frame::XStatusListener)
DECLARE_MULTIPLEXER_VOID_METHOD(statusChanged, css::frame::FeatureStateEvent)
private:
css::frame::FeatureStateEvent m_aLastKnownStatus;
public: \
const css::frame::FeatureStateEvent& getLastEvent( ) const { return m_aLastKnownStatus; }
END_DECLARE_LISTENER_MULTIPLEXER()
// css::form::XLoadListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXLoadMultiplexer, css::form::XLoadListener)
DECLARE_MULTIPLEXER_VOID_METHOD(loaded, css::lang::EventObject)
DECLARE_MULTIPLEXER_VOID_METHOD(unloaded, css::lang::EventObject)
DECLARE_MULTIPLEXER_VOID_METHOD(unloading, css::lang::EventObject)
DECLARE_MULTIPLEXER_VOID_METHOD(reloading, css::lang::EventObject)
DECLARE_MULTIPLEXER_VOID_METHOD(reloaded, css::lang::EventObject)
END_DECLARE_LISTENER_MULTIPLEXER()
// css::form::XDatabaseParameterListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXParameterMultiplexer, css::form::XDatabaseParameterListener)
DECLARE_MULTIPLEXER_BOOL_METHOD(approveParameter, css::form::DatabaseParameterEvent)
END_DECLARE_LISTENER_MULTIPLEXER()
// css::form::XSubmitListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXSubmitMultiplexer, css::form::XSubmitListener)
DECLARE_MULTIPLEXER_BOOL_METHOD(approveSubmit, css::lang::EventObject)
END_DECLARE_LISTENER_MULTIPLEXER()
// css::form::XResetListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXResetMultiplexer, css::form::XResetListener)
DECLARE_MULTIPLEXER_BOOL_METHOD(approveReset, css::lang::EventObject)
DECLARE_MULTIPLEXER_VOID_METHOD(resetted, css::lang::EventObject)
END_DECLARE_LISTENER_MULTIPLEXER()
// css::sdbc::XRowSetListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXRowSetMultiplexer, css::sdbc::XRowSetListener)
DECLARE_MULTIPLEXER_VOID_METHOD(cursorMoved, css::lang::EventObject)
DECLARE_MULTIPLEXER_VOID_METHOD(rowChanged, css::lang::EventObject)
DECLARE_MULTIPLEXER_VOID_METHOD(rowSetChanged, css::lang::EventObject)
END_DECLARE_LISTENER_MULTIPLEXER()
// css::sdb::XRowSetApproveListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXRowSetApproveMultiplexer, css::sdb::XRowSetApproveListener)
DECLARE_MULTIPLEXER_BOOL_METHOD(approveCursorMove, css::lang::EventObject)
DECLARE_MULTIPLEXER_BOOL_METHOD(approveRowChange, css::sdb::RowChangeEvent)
DECLARE_MULTIPLEXER_BOOL_METHOD(approveRowSetChange, css::lang::EventObject)
END_DECLARE_LISTENER_MULTIPLEXER()
// css::sdb::XSQLErrorListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXSQLErrorMultiplexer, css::sdb::XSQLErrorListener)
DECLARE_MULTIPLEXER_VOID_METHOD(errorOccured, css::sdb::SQLErrorEvent)
END_DECLARE_LISTENER_MULTIPLEXER()
// css::beans::XPropertyChangeListener
DECLARE_PROPERTY_MULTIPLEXER(SbaXPropertyChangeMultiplexer, css::beans::XPropertyChangeListener, propertyChange, css::beans::PropertyChangeEvent)
// css::beans::XVetoableChangeListener
DECLARE_PROPERTY_MULTIPLEXER(SbaXVetoableChangeMultiplexer, css::beans::XVetoableChangeListener, vetoableChange, css::beans::PropertyChangeEvent)
// css::beans::XPropertiesChangeListener
BEGIN_DECLARE_LISTENER_MULTIPLEXER(SbaXPropertiesChangeMultiplexer, css::beans::XPropertiesChangeListener)
DECLARE_MULTIPLEXER_VOID_METHOD(propertiesChange, css::uno::Sequence< css::beans::PropertyChangeEvent >)
END_DECLARE_LISTENER_MULTIPLEXER()
// the SbaXPropertiesChangeMultiplexer doesn't care about the property names a listener logs on for, it simply
// forwards _all_ changes to _all_ listeners
}
#endif // _SBA_MULTIPLEXER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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