sc/source/ui/Accessibility/DrawModelBroadcaster.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "DrawModelBroadcaster.hxx"
  21 #include <osl/diagnose.h>
  22 #include <rtl/strbuf.hxx>
  23 #include <svx/svdmodel.hxx>
  24 #include <svx/unomod.hxx>
  25
  26 using namespace ::com::sun::star;
  27
  28 ScDrawModelBroadcaster::ScDrawModelBroadcaster( SdrModel *pDrawModel ) :
  29     maEventListeners( maListenerMutex ),
  30     mpDrawModel( pDrawModel )
  31 {
  32     if (mpDrawModel)
  33         StartListening( *mpDrawModel );
  34 }
  35
  36 ScDrawModelBroadcaster::~ScDrawModelBroadcaster()
  37 {
  38     if (mpDrawModel)
  39         EndListening( *mpDrawModel );
  40 }
  41
  42 void SAL_CALL ScDrawModelBroadcaster::addEventListener( const uno::Reference< document::XEventListener >& xListener )
  43     throw (uno::RuntimeException, std::exception)
  44 {
  45     maEventListeners.addInterface( xListener );
  46 }
  47
  48 void SAL_CALL ScDrawModelBroadcaster::removeEventListener( const uno::Reference< document::XEventListener >& xListener )
  49     throw (uno::RuntimeException, std::exception)
  50 {
  51     maEventListeners.removeInterface( xListener );
  52 }
  53
  54 void ScDrawModelBroadcaster::Notify( SfxBroadcaster&,
  55         const SfxHint& rHint )
  56 {
  57     const SdrHint* pSdrHint = dynamic_cast<const SdrHint*>(&rHint);
  58     if( !pSdrHint )
  59         return;
  60
  61     document::EventObject aEvent;
  62     if( !SvxUnoDrawMSFactory::createEvent( mpDrawModel, pSdrHint, aEvent ) )
  63         return;
  64
  65     ::cppu::OInterfaceIteratorHelper aIter( maEventListeners );
  66     while( aIter.hasMoreElements() )
  67     {
  68         uno::Reference < document::XEventListener > xListener( aIter.next(), uno::UNO_QUERY );
  69         try
  70         {
  71             xListener->notifyEvent( aEvent );
  72         }
  73         catch( const uno::RuntimeException& r )
  74         {
  75             (void) r;
  76 #if OSL_DEBUG_LEVEL > 1
  77             OStringBuffer aError("Runtime exception caught while notifying shape.:\n");
  78             aError.append(OUStringToOString(r.Message, RTL_TEXTENCODING_ASCII_US));
  79             OSL_FAIL( aError.getStr() );
  80 #endif
  81         }
  82     }
  83 }
  84
  85 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */