chart2/source/controller/main/CommandDispatch.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 "CommandDispatch.hxx"
  21 #include <com/sun/star/util/URLTransformer.hpp>
  22
  23 using namespace ::com::sun::star;
  24
  25 using ::com::sun::star::uno::Reference;
  26 using ::com::sun::star::uno::Sequence;
  27
  28 namespace chart
  29 {
  30
  31 CommandDispatch::CommandDispatch(
  32     const Reference< uno::XComponentContext > & xContext ) :
  33         m_xContext( xContext )
  34 {
  35 }
  36
  37 CommandDispatch::~CommandDispatch()
  38 {}
  39
  40 void CommandDispatch::initialize()
  41 {}
  42
  43 // ____ WeakComponentImplHelperBase ____
  44 /// is called when this is disposed
  45 void CommandDispatch::disposing(std::unique_lock<std::mutex>& rGuard)
  46 {
  47     Reference< uno::XInterface > xEventSource(static_cast< cppu::OWeakObject* >( this ));
  48     for( auto& rElement : m_aListeners )
  49         rElement.second.disposeAndClear( rGuard, xEventSource );
  50     m_aListeners.clear();
  51 }
  52
  53 // ____ XDispatch ____
  54 void SAL_CALL CommandDispatch::dispatch( const util::URL& /* URL */, const Sequence< beans::PropertyValue >& /* Arguments */ )
  55 {}
  56
  57 void SAL_CALL CommandDispatch::addStatusListener( const Reference< frame::XStatusListener >& Control, const util::URL& URL )
  58 {
  59     {
  60         std::unique_lock g(m_aMutex);
  61         tListenerMap::iterator aIt( m_aListeners.find( URL.Complete ));
  62         if( aIt == m_aListeners.end())
  63         {
  64             aIt = m_aListeners.emplace(
  65                         std::piecewise_construct,
  66                         std::forward_as_tuple(URL.Complete),
  67                         std::forward_as_tuple()).first;
  68         }
  69         assert( aIt != m_aListeners.end());
  70
  71         aIt->second.addInterface( g, Control );
  72     }
  73     fireStatusEvent( URL.Complete, Control );
  74 }
  75
  76 void SAL_CALL CommandDispatch::removeStatusListener( const Reference< frame::XStatusListener >& Control, const util::URL& URL )
  77 {
  78     std::unique_lock g(m_aMutex);
  79     tListenerMap::iterator aIt( m_aListeners.find( URL.Complete ));
  80     if( aIt != m_aListeners.end())
  81         (*aIt).second.removeInterface( g, Control );
  82 }
  83
  84 // ____ XModifyListener ____
  85 void SAL_CALL CommandDispatch::modified( const lang::EventObject& /* aEvent */ )
  86 {
  87     fireAllStatusEvents( nullptr );
  88 }
  89
  90 // ____ XEventListener (base of XModifyListener) ____
  91 void SAL_CALL CommandDispatch::disposing( const lang::EventObject& /* Source */ )
  92 {}
  93
  94 void CommandDispatch::fireAllStatusEvents(
  95     const css::uno::Reference< css::frame::XStatusListener > & xSingleListener )
  96 {
  97     fireStatusEvent( OUString(), xSingleListener );
  98 }
  99
 100 void CommandDispatch::fireStatusEventForURL(
 101     const OUString & rURL,
 102     const uno::Any & rState,
 103     bool bEnabled,
 104     const Reference< frame::XStatusListener > & xSingleListener /* = 0 */)
 105 {
 106     // prepare event to send
 107     util::URL aURL;
 108     aURL.Complete = rURL;
 109     if( !m_xURLTransformer.is())
 110     {
 111         m_xURLTransformer.set( util::URLTransformer::create(m_xContext) );
 112     }
 113     m_xURLTransformer->parseStrict( aURL );
 114
 115     frame::FeatureStateEvent aEventToSend(
 116         static_cast< cppu::OWeakObject* >( this ), // Source
 117         aURL,                                      // FeatureURL
 118         OUString(),                                // FeatureDescriptor
 119         bEnabled,                                  // IsEnabled
 120         false,                                     // Requery
 121         rState                                     // State
 122         );
 123
 124     // send event either to single listener or all registered ones
 125     if( xSingleListener.is())
 126         xSingleListener->statusChanged( aEventToSend );
 127     else
 128     {
 129         tListenerMap::iterator aIt( m_aListeners.find( aURL.Complete ));
 130         if( aIt != m_aListeners.end())
 131         {
 132             std::unique_lock g(m_aMutex);
 133             aIt->second.notifyEach(g, &css::frame::XStatusListener::statusChanged, aEventToSend);
 134         }
 135     }
 136 }
 137
 138 } //  namespace chart
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */