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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 .
*/
#include <multiplexer.hxx>
#include <osl/diagnose.h>
#include <cppuhelper/queryinterface.hxx>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/awt/XTopWindow.hpp>
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( cppu::UnoType<INTERFACE>::get() ); \
/* Do the follow only, if elements in container exist.*/ \
if( pContainer != nullptr ) \
{ \
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() ) \
{ \
if( aIterator.hasMoreElements() ) \
{ \
INTERFACE * pListener = static_cast<INTERFACE *>(aIterator.next()); \
try \
{ \
pListener->METHOD( aLocalEvent ); \
} \
catch(const 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(aCopyInstance)
, m_aListenerHolder ( m_aMutex )
{
}
OMRCListenerMultiplexerHelper::~OMRCListenerMultiplexerHelper()
{
}
// XInterface
Any SAL_CALL OMRCListenerMultiplexerHelper::queryInterface( const Type& rType )
{
// 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() )
{
// ... 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();
}
// 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
const Sequence< Type > aContainedTypes = m_aListenerHolder.getContainedTypes();
// loop over all listener types and remove the listeners from the peer
for( const auto& rContainedType : aContainedTypes )
impl_unadviseFromPeer( m_xPeer, rContainedType );
}
m_xPeer = xPeer;
if( m_xPeer.is() )
{
// get all types from the listener added to the peer
const Sequence< Type > aContainedTypes = m_aListenerHolder.getContainedTypes();
// loop over all listener types and add the listeners to the peer
for( const auto& rContainedType : aContainedTypes )
impl_adviseToPeer( m_xPeer, rContainedType );
}
}
}
// 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*/ )
{
MutexGuard aGuard( m_aMutex );
// peer is disposed, clear the reference
m_xPeer.clear();
}
// XFcousListener
void OMRCListenerMultiplexerHelper::focusGained(const FocusEvent& aEvent )
{
MULTIPLEX( XFocusListener, focusGained, FocusEvent, aEvent )
}
// XFcousListener
void OMRCListenerMultiplexerHelper::focusLost(const FocusEvent& aEvent )
{
MULTIPLEX( XFocusListener, focusLost, FocusEvent, aEvent )
}
// XWindowListener
void OMRCListenerMultiplexerHelper::windowResized(const WindowEvent& aEvent )
{
MULTIPLEX( XWindowListener, windowResized, WindowEvent, aEvent )
}
// XWindowListener
void OMRCListenerMultiplexerHelper::windowMoved(const WindowEvent& aEvent )
{
MULTIPLEX( XWindowListener, windowMoved, WindowEvent, aEvent )
}
// XWindowListener
void OMRCListenerMultiplexerHelper::windowShown(const EventObject& aEvent )
{
MULTIPLEX( XWindowListener, windowShown, EventObject, aEvent )
}
// XWindowListener
void OMRCListenerMultiplexerHelper::windowHidden(const EventObject& aEvent )
{
MULTIPLEX( XWindowListener, windowHidden, EventObject, aEvent )
}
// XKeyListener
void OMRCListenerMultiplexerHelper::keyPressed(const KeyEvent& aEvent)
{
MULTIPLEX( XKeyListener, keyPressed, KeyEvent, aEvent )
}
// XKeyListener
void OMRCListenerMultiplexerHelper::keyReleased(const KeyEvent& aEvent)
{
MULTIPLEX( XKeyListener, keyReleased, KeyEvent, aEvent )
}
// XMouseListener
void OMRCListenerMultiplexerHelper::mousePressed(const MouseEvent& aEvent)
{
MULTIPLEX( XMouseListener, mousePressed, MouseEvent, aEvent )
}
// XMouseListener
void OMRCListenerMultiplexerHelper::mouseReleased(const MouseEvent& aEvent)
{
MULTIPLEX( XMouseListener, mouseReleased, MouseEvent, aEvent )
}
// XMouseListener
void OMRCListenerMultiplexerHelper::mouseEntered(const MouseEvent& aEvent)
{
MULTIPLEX( XMouseListener, mouseEntered, MouseEvent, aEvent )
}
// XMouseListener
void OMRCListenerMultiplexerHelper::mouseExited(const MouseEvent& aEvent)
{
MULTIPLEX( XMouseListener, mouseExited, MouseEvent, aEvent )
}
// XMouseMotionListener
void OMRCListenerMultiplexerHelper::mouseDragged(const MouseEvent& aEvent)
{
MULTIPLEX( XMouseMotionListener, mouseDragged, MouseEvent, aEvent )
}
// XMouseMotionListener
void OMRCListenerMultiplexerHelper::mouseMoved(const MouseEvent& aEvent)
{
MULTIPLEX( XMouseMotionListener, mouseMoved, MouseEvent, aEvent )
}
// XPaintListener
void OMRCListenerMultiplexerHelper::windowPaint(const PaintEvent& aEvent)
{
MULTIPLEX( XPaintListener, windowPaint, PaintEvent, aEvent )
}
// XTopWindowListener
void OMRCListenerMultiplexerHelper::windowOpened(const EventObject& aEvent)
{
MULTIPLEX( XTopWindowListener, windowOpened, EventObject, aEvent )
}
// XTopWindowListener
void OMRCListenerMultiplexerHelper::windowClosing( const EventObject& aEvent )
{
MULTIPLEX( XTopWindowListener, windowClosing, EventObject, aEvent )
}
// XTopWindowListener
void OMRCListenerMultiplexerHelper::windowClosed( const EventObject& aEvent )
{
MULTIPLEX( XTopWindowListener, windowClosed, EventObject, aEvent )
}
// XTopWindowListener
void OMRCListenerMultiplexerHelper::windowMinimized( const EventObject& aEvent )
{
MULTIPLEX( XTopWindowListener, windowMinimized, EventObject, aEvent )
}
// XTopWindowListener
void OMRCListenerMultiplexerHelper::windowNormalized( const EventObject& aEvent )
{
MULTIPLEX( XTopWindowListener, windowNormalized, EventObject, aEvent )
}
// XTopWindowListener
void OMRCListenerMultiplexerHelper::windowActivated( const EventObject& aEvent )
{
MULTIPLEX( XTopWindowListener, windowActivated, EventObject, aEvent )
}
// XTopWindowListener
void OMRCListenerMultiplexerHelper::windowDeactivated( const EventObject& aEvent )
{
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 == cppu::UnoType<XWindowListener>::get())
xPeer->addWindowListener( this );
else if( aType == cppu::UnoType<XKeyListener>::get())
xPeer->addKeyListener( this );
else if( aType == cppu::UnoType<XFocusListener>::get())
xPeer->addFocusListener( this );
else if( aType == cppu::UnoType<XMouseListener>::get())
xPeer->addMouseListener( this );
else if( aType == cppu::UnoType<XMouseMotionListener>::get())
xPeer->addMouseMotionListener( this );
else if( aType == cppu::UnoType<XPaintListener>::get())
xPeer->addPaintListener( this );
else if( aType == cppu::UnoType<XTopWindowListener>::get())
{
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 == cppu::UnoType<XWindowListener>::get())
xPeer->removeWindowListener( this );
else if( aType == cppu::UnoType<XKeyListener>::get())
xPeer->removeKeyListener( this );
else if( aType == cppu::UnoType<XFocusListener>::get())
xPeer->removeFocusListener( this );
else if( aType == cppu::UnoType<XMouseListener>::get())
xPeer->removeMouseListener( this );
else if( aType == cppu::UnoType<XMouseMotionListener>::get())
xPeer->removeMouseMotionListener( this );
else if( aType == cppu::UnoType<XPaintListener>::get())
xPeer->removePaintListener( this );
else if( aType == cppu::UnoType<XTopWindowListener>::get())
{
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: */
|
