filter/source/config/cache/configflush.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 "configflush.hxx"
  21 #include "constant.hxx"
  22 #include <cppuhelper/supportsservice.hxx>
  23
  24 #include <osl/diagnose.h>
  25
  26 namespace filter{
  27     namespace config{
  28
  29 ConfigFlush::ConfigFlush(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR)
  30     : BaseLock   (       )
  31     , m_xSMGR    (xSMGR  )
  32     , m_lListener(m_aLock)
  33 {
  34 }
  35
  36 ConfigFlush::~ConfigFlush()
  37 {
  38 }
  39
  40 OUString SAL_CALL ConfigFlush::getImplementationName()
  41     throw (css::uno::RuntimeException, std::exception)
  42 {
  43     return impl_getImplementationName();
  44     // <- SAFE
  45 }
  46
  47 sal_Bool SAL_CALL ConfigFlush::supportsService(const OUString& sServiceName)
  48     throw (css::uno::RuntimeException, std::exception)
  49 {
  50     return cppu::supportsService(this, sServiceName);
  51 }
  52
  53 css::uno::Sequence< OUString > SAL_CALL ConfigFlush::getSupportedServiceNames()
  54     throw (css::uno::RuntimeException, std::exception)
  55 {
  56     return impl_getSupportedServiceNames();
  57 }
  58
  59 void SAL_CALL ConfigFlush::refresh()
  60     throw(css::uno::RuntimeException, std::exception)
  61 {
  62     // notify listener outside the lock!
  63     // The used listener helper lives if we live
  64     // and is threadsafe by itself.
  65     // Further its not a good idea to hold the own lock
  66     // if an outside object is called :-)
  67     css::lang::EventObject             aSource    (static_cast< css::util::XRefreshable* >(this));
  68     ::cppu::OInterfaceContainerHelper* pContainer = m_lListener.getContainer(cppu::UnoType<css::util::XRefreshListener>::get());
  69     if (pContainer)
  70     {
  71         ::cppu::OInterfaceIteratorHelper pIterator(*pContainer);
  72         while (pIterator.hasMoreElements())
  73         {
  74             try
  75             {
  76                 // ... this pointer can be interesting to find out, where will be called as listener
  77                 // Dont optimize it to a direct iterator cast :-)
  78                 css::util::XRefreshListener* pListener = static_cast<css::util::XRefreshListener*>(pIterator.next());
  79                 pListener->refreshed(aSource);
  80             }
  81             catch(const css::uno::Exception&)
  82             {
  83                 // ignore any "damaged" flush listener!
  84                 // May its remote reference is broken ...
  85                 pIterator.remove();
  86             }
  87         }
  88     }
  89 }
  90
  91
  92 void SAL_CALL ConfigFlush::addRefreshListener(const css::uno::Reference< css::util::XRefreshListener >& xListener)
  93     throw(css::uno::RuntimeException, std::exception)
  94 {
  95     // no locks necessary
  96     // used helper lives if we live and is threadsafe by itself ...
  97     m_lListener.addInterface(cppu::UnoType<css::util::XRefreshListener>::get(),
  98                              xListener);
  99 }
 100
 101
 102 void SAL_CALL ConfigFlush::removeRefreshListener(const css::uno::Reference< css::util::XRefreshListener >& xListener)
 103     throw(css::uno::RuntimeException, std::exception)
 104 {
 105     // no locks necessary
 106     // used helper lives if we live and is threadsafe by itself ...
 107     m_lListener.removeInterface(cppu::UnoType<css::util::XRefreshListener>::get(),
 108                                 xListener);
 109 }
 110
 111
 112 OUString ConfigFlush::impl_getImplementationName()
 113 {
 114     return OUString("com.sun.star.comp.filter.config.ConfigFlush");
 115 }
 116
 117
 118 css::uno::Sequence< OUString > ConfigFlush::impl_getSupportedServiceNames()
 119 {
 120     css::uno::Sequence< OUString > lServiceNames(1);
 121     lServiceNames[0] = "com.sun.star.document.FilterConfigRefresh";
 122     return lServiceNames;
 123 }
 124
 125
 126 css::uno::Reference< css::uno::XInterface > ConfigFlush::impl_createInstance(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR)
 127 {
 128     ConfigFlush* pNew = new ConfigFlush(xSMGR);
 129     return css::uno::Reference< css::uno::XInterface >(static_cast< css::util::XRefreshable* >(pNew), css::uno::UNO_QUERY);
 130 }
 131
 132     } // namespace config
 133 } // namespace filter
 134
 135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */