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Diffstat (limited to 'UnoControls/source/base/multiplexer.cxx')
| -rw-r--r-- | UnoControls/source/base/multiplexer.cxx | 530 |
1 files changed, 530 insertions, 0 deletions
diff --git a/UnoControls/source/base/multiplexer.cxx b/UnoControls/source/base/multiplexer.cxx new file mode 100644 index 000000000000..c900d0276b04 --- /dev/null +++ b/UnoControls/source/base/multiplexer.cxx @@ -0,0 +1,530 @@ +/* -*- 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. + * + ************************************************************************/ + +#include "multiplexer.hxx" + +#include <osl/diagnose.h> + +using namespace ::cppu ; +using namespace ::osl ; +using namespace ::com::sun::star::uno ; +using namespace ::com::sun::star::awt ; +using namespace ::com::sun::star::lang ; + +namespace unocontrols{ + +//____________________________________________________________________________________________________________ +// macros +//____________________________________________________________________________________________________________ + +#define MULTIPLEX( INTERFACE, METHOD, EVENTTYP, EVENT ) \ + \ + /* First get all interfaces from container with right type.*/ \ + OInterfaceContainerHelper* pContainer = m_aListenerHolder.getContainer( ::getCppuType((const Reference< INTERFACE >*)0) ); \ + /* Do the follow only, if elements in container exist.*/ \ + if( pContainer != NULL ) \ + { \ + OInterfaceIteratorHelper aIterator( *pContainer ); \ + EVENTTYP aLocalEvent = EVENT; \ + /* Remark: The control is the event source not the peer.*/ \ + /* We must change the source of the event. */ \ + aLocalEvent.Source = m_xControl ; \ + /* Is the control not destroyed? */ \ + if( aLocalEvent.Source.is() == sal_True ) \ + { \ + if( aIterator.hasMoreElements() ) \ + { \ + INTERFACE * pListener = (INTERFACE *)aIterator.next(); \ + try \ + { \ + pListener->METHOD( aLocalEvent ); \ + } \ + catch( RuntimeException& ) \ + { \ + /* Ignore all system exceptions from the listener! */ \ + } \ + } \ + } \ + } + +//____________________________________________________________________________________________________________ +// construct/destruct +//____________________________________________________________________________________________________________ + +OMRCListenerMultiplexerHelper::OMRCListenerMultiplexerHelper( const Reference< XWindow >& xControl , + const Reference< XWindow >& xPeer ) + : m_xPeer ( xPeer ) + , m_xControl ( xControl ) + , m_aListenerHolder ( m_aMutex ) +{ +} + +OMRCListenerMultiplexerHelper::OMRCListenerMultiplexerHelper( const OMRCListenerMultiplexerHelper& /*aCopyInstance*/ ) + : XFocusListener() + , XWindowListener() + , XKeyListener() + , XMouseListener() + , XMouseMotionListener() + , XPaintListener() + , XTopWindowListener() + , OWeakObject() + , m_aListenerHolder ( m_aMutex ) +{ +} + +OMRCListenerMultiplexerHelper::~OMRCListenerMultiplexerHelper() +{ +} + +//____________________________________________________________________________________________________________ +// XInterface +//____________________________________________________________________________________________________________ + +Any SAL_CALL OMRCListenerMultiplexerHelper::queryInterface( const Type& rType ) throw( RuntimeException ) +{ + // Attention: + // Don't use mutex or guard in this method!!! Is a method of XInterface. + + // Ask for my own supported interfaces ... + // Attention: XTypeProvider and XInterface are supported by OComponentHelper! + Any aReturn ( ::cppu::queryInterface( rType , + static_cast< XWindowListener* > ( this ) , + static_cast< XKeyListener* > ( this ) , + static_cast< XFocusListener* > ( this ) , + static_cast< XMouseListener* > ( this ) , + static_cast< XMouseMotionListener* > ( this ) , + static_cast< XPaintListener* > ( this ) , + static_cast< XTopWindowListener* > ( this ) , + static_cast< XTopWindowListener* > ( this ) + ) + ); + + // If searched interface supported by this class ... + if ( aReturn.hasValue() == sal_True ) + { + // ... return this information. + return aReturn ; + } + else + { + // Else; ... ask baseclass for interfaces! + return OWeakObject::queryInterface( rType ); + } +} + +//____________________________________________________________________________________________________________ +// XInterface +//____________________________________________________________________________________________________________ + +void SAL_CALL OMRCListenerMultiplexerHelper::acquire() throw() +{ + // Attention: + // Don't use mutex or guard in this method!!! Is a method of XInterface. + + // Forward to baseclass + OWeakObject::acquire(); +} + +//____________________________________________________________________________________________________________ +// XInterface +//____________________________________________________________________________________________________________ + +void SAL_CALL OMRCListenerMultiplexerHelper::release() throw() +{ + // Attention: + // Don't use mutex or guard in this method!!! Is a method of XInterface. + + // Forward to baseclass + OWeakObject::release(); +} + +//____________________________________________________________________________________________________________ +// operator +//____________________________________________________________________________________________________________ + +OMRCListenerMultiplexerHelper::operator Reference< XInterface >() const +{ + return ((OWeakObject*)this) ; +} + +//____________________________________________________________________________________________________________ +// container method +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::setPeer( const Reference< XWindow >& xPeer ) +{ + MutexGuard aGuard( m_aMutex ); + if( m_xPeer != xPeer ) + { + if( m_xPeer.is() ) + { + // get all types from the listener added to the peer + Sequence< Type > aContainedTypes = m_aListenerHolder.getContainedTypes(); + const Type* pArray = aContainedTypes.getConstArray(); + sal_Int32 nCount = aContainedTypes.getLength(); + // loop over all listener types and remove the listeners from the peer + for( sal_Int32 i=0; i<nCount; i++ ) + impl_unadviseFromPeer( m_xPeer, pArray[i] ); + } + m_xPeer = xPeer; + if( m_xPeer.is() ) + { + // get all types from the listener added to the peer + Sequence< Type > aContainedTypes = m_aListenerHolder.getContainedTypes(); + const Type* pArray = aContainedTypes.getConstArray(); + sal_Int32 nCount = aContainedTypes.getLength(); + // loop over all listener types and add the listeners to the peer + for( sal_Int32 i = 0; i < nCount; i++ ) + impl_adviseToPeer( m_xPeer, pArray[i] ); + } + } +} + +//____________________________________________________________________________________________________________ +// container method +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::disposeAndClear() +{ + EventObject aEvent ; + aEvent.Source = m_xControl ; + m_aListenerHolder.disposeAndClear( aEvent ); +} + +//____________________________________________________________________________________________________________ +// container method +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::advise( const Type& aType , + const Reference< XInterface >& xListener ) +{ + MutexGuard aGuard( m_aMutex ); + if( m_aListenerHolder.addInterface( aType, xListener ) == 1 ) + { + // the first listener is added + if( m_xPeer.is() ) + { + impl_adviseToPeer( m_xPeer, aType ); + } + } +} + +//____________________________________________________________________________________________________________ +// container method +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::unadvise( const Type& aType , + const Reference< XInterface >& xListener ) +{ + MutexGuard aGuard( m_aMutex ); + if( m_aListenerHolder.removeInterface( aType, xListener ) == 0 ) + { + // the last listener is removed + if ( m_xPeer.is() ) + { + impl_unadviseFromPeer( m_xPeer, aType ); + } + } +} + +//____________________________________________________________________________________________________________ +// XEventListener +//____________________________________________________________________________________________________________ + +void SAL_CALL OMRCListenerMultiplexerHelper::disposing( const EventObject& /*aSource*/ ) throw( RuntimeException ) +{ + MutexGuard aGuard( m_aMutex ); + // peer is disposed, clear the reference + m_xPeer = Reference< XWindow >(); +} + +//____________________________________________________________________________________________________________ +// XFcousListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::focusGained(const FocusEvent& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XFocusListener, focusGained, FocusEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XFcousListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::focusLost(const FocusEvent& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XFocusListener, focusLost, FocusEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowResized(const WindowEvent& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XWindowListener, windowResized, WindowEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowMoved(const WindowEvent& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XWindowListener, windowMoved, WindowEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowShown(const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XWindowListener, windowShown, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowHidden(const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XWindowListener, windowHidden, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XKeyListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::keyPressed(const KeyEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XKeyListener, keyPressed, KeyEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XKeyListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::keyReleased(const KeyEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XKeyListener, keyReleased, KeyEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XMouseListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::mousePressed(const MouseEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XMouseListener, mousePressed, MouseEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XMouseListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::mouseReleased(const MouseEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XMouseListener, mouseReleased, MouseEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XMouseListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::mouseEntered(const MouseEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XMouseListener, mouseEntered, MouseEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XMouseListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::mouseExited(const MouseEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XMouseListener, mouseExited, MouseEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XMouseMotionListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::mouseDragged(const MouseEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XMouseMotionListener, mouseDragged, MouseEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XMouseMotionListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::mouseMoved(const MouseEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XMouseMotionListener, mouseMoved, MouseEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XPaintListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowPaint(const PaintEvent& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XPaintListener, windowPaint, PaintEvent, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XTopWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowOpened(const EventObject& aEvent) throw( RuntimeException ) +{ + MULTIPLEX( XTopWindowListener, windowOpened, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XTopWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowClosing( const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XTopWindowListener, windowClosing, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XTopWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowClosed( const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XTopWindowListener, windowClosed, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XTopWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowMinimized( const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XTopWindowListener, windowMinimized, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XTopWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowNormalized( const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XTopWindowListener, windowNormalized, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XTopWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowActivated( const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XTopWindowListener, windowActivated, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// XTopWindowListener +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::windowDeactivated( const EventObject& aEvent ) throw( RuntimeException ) +{ + MULTIPLEX( XTopWindowListener, windowDeactivated, EventObject, aEvent ) +} + +//____________________________________________________________________________________________________________ +// protected method +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::impl_adviseToPeer( const Reference< XWindow >& xPeer , + const Type& aType ) +{ + // add a listener to the source (peer) + if( aType == ::getCppuType((const Reference< XWindowListener >*)0) ) + xPeer->addWindowListener( this ); + else if( aType == ::getCppuType((const Reference< XKeyListener >*)0) ) + xPeer->addKeyListener( this ); + else if( aType == ::getCppuType((const Reference< XFocusListener >*)0) ) + xPeer->addFocusListener( this ); + else if( aType == ::getCppuType((const Reference< XMouseListener >*)0) ) + xPeer->addMouseListener( this ); + else if( aType == ::getCppuType((const Reference< XMouseMotionListener >*)0) ) + xPeer->addMouseMotionListener( this ); + else if( aType == ::getCppuType((const Reference< XPaintListener >*)0) ) + xPeer->addPaintListener( this ); + else if( aType == ::getCppuType((const Reference< XTopWindowListener >*)0) ) + { + Reference< XTopWindow > xTop( xPeer, UNO_QUERY ); + if( xTop.is() ) + xTop->addTopWindowListener( this ); + } + else + { + OSL_FAIL( "unknown listener" ); + } +} + +//____________________________________________________________________________________________________________ +// protected method +//____________________________________________________________________________________________________________ + +void OMRCListenerMultiplexerHelper::impl_unadviseFromPeer( const Reference< XWindow >& xPeer , + const Type& aType ) +{ + // the last listener is removed, remove the listener from the source (peer) + if( aType == ::getCppuType((const Reference< XWindowListener >*)0) ) + xPeer->removeWindowListener( this ); + else if( aType == ::getCppuType((const Reference< XKeyListener >*)0) ) + xPeer->removeKeyListener( this ); + else if( aType == ::getCppuType((const Reference< XFocusListener >*)0) ) + xPeer->removeFocusListener( this ); + else if( aType == ::getCppuType((const Reference< XMouseListener >*)0) ) + xPeer->removeMouseListener( this ); + else if( aType == ::getCppuType((const Reference< XMouseMotionListener >*)0) ) + xPeer->removeMouseMotionListener( this ); + else if( aType == ::getCppuType((const Reference< XPaintListener >*)0) ) + xPeer->removePaintListener( this ); + else if( aType == ::getCppuType((const Reference< XTopWindowListener >*)0) ) + { + Reference< XTopWindow > xTop( xPeer, UNO_QUERY ); + if( xTop.is() ) + xTop->removeTopWindowListener( this ); + } + else + { + OSL_FAIL( "unknown listener" ); + } +} + +} // namespace unocontrols + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |