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
  22
  23 namespace frm
  24 {
  25
  26
  27     using namespace ::com::sun::star::uno;
  28     using namespace ::com::sun::star::frame;
  29     using namespace ::com::sun::star::lang;
  30     using namespace ::com::sun::star::util;
  31
  32     ORichTextFeatureDispatcher::ORichTextFeatureDispatcher( EditView& _rView, const URL&  _rURL )
  33         :m_aFeatureURL( _rURL )
  34         ,m_aStatusListeners( m_aMutex )
  35         ,m_pEditView( &_rView )
  36         ,m_bDisposed( false )
  37     {
  38     }
  39
  40
  41     ORichTextFeatureDispatcher::~ORichTextFeatureDispatcher( )
  42     {
  43         if ( !m_bDisposed )
  44         {
  45             acquire();
  46             dispose();
  47         }
  48     }
  49
  50
  51     void ORichTextFeatureDispatcher::dispose()
  52     {
  53         EventObject aEvent( *this );
  54         m_aStatusListeners.disposeAndClear( aEvent );
  55
  56         ::osl::ClearableMutexGuard aGuard( m_aMutex );
  57         m_bDisposed = true;
  58         disposing( aGuard );
  59     }
  60
  61
  62     void ORichTextFeatureDispatcher::disposing( ::osl::ClearableMutexGuard& /*_rClearBeforeNotify*/ )
  63     {
  64         m_pEditView = nullptr;
  65     }
  66
  67
  68     void SAL_CALL ORichTextFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException, std::exception)
  69     {
  70         OSL_ENSURE( !m_bDisposed, "ORichTextFeatureDispatcher::addStatusListener: already disposed!" );
  71         if ( m_bDisposed )
  72             throw DisposedException();
  73
  74         OSL_ENSURE( _rURL.Complete == getFeatureURL().Complete, "ORichTextFeatureDispatcher::addStatusListener: invalid URL!" );
  75         if ( _rURL.Complete == getFeatureURL().Complete )
  76             if ( _rxControl.is() )
  77             {
  78                 m_aStatusListeners.addInterface( _rxControl );
  79                 newStatusListener( _rxControl );
  80             }
  81     }
  82
  83
  84     void SAL_CALL ORichTextFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& /*_rURL*/ ) throw (RuntimeException, std::exception)
  85     {
  86         m_aStatusListeners.removeInterface( _rxControl );
  87     }
  88
  89
  90     void ORichTextFeatureDispatcher::invalidate()
  91     {
  92         invalidateFeatureState_Broadcast();
  93     }
  94
  95
  96     FeatureStateEvent ORichTextFeatureDispatcher::buildStatusEvent() const
  97     {
  98         FeatureStateEvent aEvent;
  99         aEvent.IsEnabled = false;
 100         aEvent.Source = *const_cast< ORichTextFeatureDispatcher* >( this );
 101         aEvent.FeatureURL = getFeatureURL();
 102         aEvent.Requery = false;
 103         return aEvent;
 104     }
 105
 106
 107     void ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast()
 108     {
 109         FeatureStateEvent aEvent( buildStatusEvent() );
 110         ::comphelper::OInterfaceIteratorHelper2 aIter( getStatusListeners() );
 111         while ( aIter.hasMoreElements() )
 112             doNotify( static_cast< XStatusListener* >( aIter.next() ), aEvent );
 113     }
 114
 115
 116     void ORichTextFeatureDispatcher::newStatusListener( const Reference< XStatusListener >& _rxListener )
 117     {
 118         doNotify( _rxListener, buildStatusEvent() );
 119     }
 120
 121
 122     void ORichTextFeatureDispatcher::doNotify( const Reference< XStatusListener >& _rxListener, const FeatureStateEvent& _rEvent )
 123     {
 124         OSL_PRECOND( _rxListener.is(), "ORichTextFeatureDispatcher::doNotify: invalid listener!" );
 125         if ( _rxListener.is() )
 126         {
 127             try
 128             {
 129                 _rxListener->statusChanged( _rEvent );
 130             }
 131             catch( const Exception& )
 132             {
 133                 OSL_FAIL( "ORichTextFeatureDispatcher::doNotify: caught an exception!" );
 134             }
 135         }
 136     }
 137
 138
 139 }   // namespace frm
 140
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */