forms/source/richtext/featuredispatcher.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 "featuredispatcher.hxx"
  21 #include <osl/diagnose.h>
  22 #include <tools/diagnose_ex.h>
  23
  24
  25 namespace frm
  26 {
  27
  28
  29     using namespace ::com::sun::star::uno;
  30     using namespace ::com::sun::star::frame;
  31     using namespace ::com::sun::star::lang;
  32     using namespace ::com::sun::star::util;
  33
  34     ORichTextFeatureDispatcher::ORichTextFeatureDispatcher( EditView& _rView, const URL&  _rURL )
  35         :m_aFeatureURL( _rURL )
  36         ,m_aStatusListeners( m_aMutex )
  37         ,m_pEditView( &_rView )
  38         ,m_bDisposed( false )
  39     {
  40     }
  41
  42
  43     ORichTextFeatureDispatcher::~ORichTextFeatureDispatcher( )
  44     {
  45         if ( !m_bDisposed )
  46         {
  47             acquire();
  48             dispose();
  49         }
  50     }
  51
  52
  53     void ORichTextFeatureDispatcher::dispose()
  54     {
  55         EventObject aEvent( *this );
  56         m_aStatusListeners.disposeAndClear( aEvent );
  57
  58         ::osl::ClearableMutexGuard aGuard( m_aMutex );
  59         m_bDisposed = true;
  60         disposing( aGuard );
  61     }
  62
  63
  64     void ORichTextFeatureDispatcher::disposing( ::osl::ClearableMutexGuard& /*_rClearBeforeNotify*/ )
  65     {
  66         m_pEditView = nullptr;
  67     }
  68
  69
  70     void SAL_CALL ORichTextFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL )
  71     {
  72         OSL_ENSURE( !m_bDisposed, "ORichTextFeatureDispatcher::addStatusListener: already disposed!" );
  73         if ( m_bDisposed )
  74             throw DisposedException();
  75
  76         OSL_ENSURE( _rURL.Complete == getFeatureURL().Complete, "ORichTextFeatureDispatcher::addStatusListener: invalid URL!" );
  77         if ( _rURL.Complete == getFeatureURL().Complete )
  78             if ( _rxControl.is() )
  79             {
  80                 m_aStatusListeners.addInterface( _rxControl );
  81                 doNotify( _rxControl, buildStatusEvent() );
  82             }
  83     }
  84
  85
  86     void SAL_CALL ORichTextFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& /*_rURL*/ )
  87     {
  88         m_aStatusListeners.removeInterface( _rxControl );
  89     }
  90
  91
  92     void ORichTextFeatureDispatcher::invalidate()
  93     {
  94         invalidateFeatureState_Broadcast();
  95     }
  96
  97
  98     FeatureStateEvent ORichTextFeatureDispatcher::buildStatusEvent() const
  99     {
 100         FeatureStateEvent aEvent;
 101         aEvent.IsEnabled = false;
 102         aEvent.Source = *const_cast< ORichTextFeatureDispatcher* >( this );
 103         aEvent.FeatureURL = getFeatureURL();
 104         aEvent.Requery = false;
 105         return aEvent;
 106     }
 107
 108
 109     void ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast()
 110     {
 111         FeatureStateEvent aEvent( buildStatusEvent() );
 112         ::comphelper::OInterfaceIteratorHelper2 aIter( getStatusListeners() );
 113         while ( aIter.hasMoreElements() )
 114             doNotify( static_cast< XStatusListener* >( aIter.next() ), aEvent );
 115     }
 116
 117
 118     void ORichTextFeatureDispatcher::doNotify( const Reference< XStatusListener >& _rxListener, const FeatureStateEvent& _rEvent )
 119     {
 120         OSL_PRECOND( _rxListener.is(), "ORichTextFeatureDispatcher::doNotify: invalid listener!" );
 121         if ( _rxListener.is() )
 122         {
 123             try
 124             {
 125                 _rxListener->statusChanged( _rEvent );
 126             }
 127             catch( const Exception& )
 128             {
 129                 TOOLS_WARN_EXCEPTION( "forms.richtext", "ORichTextFeatureDispatcher::doNotify" );
 130             }
 131         }
 132     }
 133
 134
 135 }   // namespace frm
 136
 137
 138 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */