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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /UnoControls/source/base/multiplexer.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'UnoControls/source/base/multiplexer.cxx')
-rw-r--r--UnoControls/source/base/multiplexer.cxx441
1 files changed, 441 insertions, 0 deletions
diff --git a/UnoControls/source/base/multiplexer.cxx b/UnoControls/source/base/multiplexer.cxx
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+++ b/UnoControls/source/base/multiplexer.cxx
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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.*/ \
+ comphelper::OInterfaceContainerHelper2* pContainer = m_aListenerHolder.getContainer( cppu::UnoType<INTERFACE>::get() ); \
+ /* Do the follow only, if elements in container exist.*/ \
+ if( !pContainer ) \
+ return; \
+ comphelper::OInterfaceIteratorHelper2 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 ) \
+ return; \
+ if( !aIterator.hasMoreElements() ) \
+ return; \
+ 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() noexcept
+{
+ // 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() noexcept
+{
+ // 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 )
+ return;
+
+ if( m_xPeer.is() )
+ {
+ // get all types from the listener added to the peer
+ const std::vector< 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 std::vector< 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: */