sfx2/source/bastyp/fltlst.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
  21 #include "fltlst.hxx"
  22
  23 #include <com/sun/star/document/FilterConfigRefresh.hpp>
  24 #include <comphelper/processfactory.hxx>
  25
  26 #include <sfx2/fcontnr.hxx>
  27
  28 #include <vcl/svapp.hxx>
  29 #include <cppuhelper/implbase.hxx>
  30
  31
  32 //  namespaces
  33
  34 using namespace ::com::sun::star;
  35
  36 namespace {
  37
  38 class SfxRefreshListener : public ::cppu::WeakImplHelper<css::util::XRefreshListener>
  39 {
  40     private:
  41         SfxFilterListener *m_pOwner;
  42
  43     public:
  44         explicit SfxRefreshListener(SfxFilterListener *pOwner)
  45             : m_pOwner(pOwner)
  46         {
  47         }
  48
  49         // util.XRefreshListener
  50         virtual void SAL_CALL refreshed( const css::lang::EventObject& rEvent ) override
  51         {
  52             m_pOwner->refreshed(rEvent);
  53         }
  54
  55         // lang.XEventListener
  56         virtual void SAL_CALL disposing(const css::lang::EventObject& rEvent) override
  57         {
  58             m_pOwner->disposing(rEvent);
  59         }
  60 };
  61
  62 }
  63
  64 /*-************************************************************************************************************
  65     @short          ctor
  66     @descr          These initialize an instance of a SfxFilterListener class. Created object listen automatically
  67                     on right FilterFactory-Service for all changes and synchronize right SfxFilterContainer with
  68                     corresponding framework-cache.
  69                     We use given "sFactory" value to decide which query must be used to fill "pContainer" with new values.
  70                     Given "pContainer" hold us alive as uno reference and we use it to synchronize it with framework caches.
  71                     We will die, if he die! see dtor for further information.
  72
  73     @seealso        dtor
  74     @seealso        class framework::FilterCache
  75     @seealso        service ::document::FilterFactory
  76
  77     @param          "sFactory"  , short name of module which contains filter container
  78     @param          "pContainer", pointer to filter container which will be informed
  79     @onerror        We show some assertions in non product version.
  80                     Otherwise we do nothing!
  81     @threadsafe     yes
  82 *//*-*************************************************************************************************************/
  83 SfxFilterListener::SfxFilterListener()
  84     : m_xFilterCache(document::FilterConfigRefresh::create( comphelper::getProcessComponentContext() ) ),
  85       m_xFilterCacheListener(new SfxRefreshListener(this))
  86 {
  87     m_xFilterCache->addRefreshListener( m_xFilterCacheListener );
  88 }
  89
  90 SfxFilterListener::~SfxFilterListener()
  91 {
  92 }
  93
  94 void SfxFilterListener::refreshed( const lang::EventObject& aSource )
  95 {
  96     SolarMutexGuard aGuard;
  97     uno::Reference< util::XRefreshable > xContainer( aSource.Source, uno::UNO_QUERY );
  98     if(
  99         (xContainer.is()           ) &&
 100         (xContainer==m_xFilterCache)
 101       )
 102     {
 103         SfxFilterContainer::ReadFilters_Impl( true );
 104     }
 105 }
 106
 107 void SfxFilterListener::disposing( const lang::EventObject& aSource )
 108 {
 109     SolarMutexGuard aGuard;
 110     uno::Reference< util::XRefreshable > xNotifier( aSource.Source, uno::UNO_QUERY );
 111     if (!xNotifier.is())
 112         return;
 113
 114     if (xNotifier == m_xFilterCache)
 115         m_xFilterCache.clear();
 116 }
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */