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/sfxuno.hxx>
  27 #include <sfx2/docfac.hxx>
  28
  29 #include <vcl/svapp.hxx>
  30 #include <osl/mutex.hxx>
  31 #include <cppuhelper/implbase.hxx>
  32
  33
  34 //  namespaces
  35
  36 using namespace ::com::sun::star;
  37
  38
  39 class SfxRefreshListener : public ::cppu::WeakImplHelper<css::util::XRefreshListener>
  40 {
  41     private:
  42         SfxFilterListener *m_pOwner;
  43
  44     public:
  45         explicit SfxRefreshListener(SfxFilterListener *pOwner)
  46             : m_pOwner(pOwner)
  47         {
  48         }
  49
  50         virtual ~SfxRefreshListener() override
  51         {
  52         }
  53
  54         // util.XRefreshListener
  55         virtual void SAL_CALL refreshed( const css::lang::EventObject& rEvent )
  56             throw(css::uno::RuntimeException, std::exception) override
  57         {
  58             m_pOwner->refreshed(rEvent);
  59         }
  60
  61         // lang.XEventListener
  62         virtual void SAL_CALL disposing(const css::lang::EventObject& rEvent)
  63             throw(css::uno::RuntimeException, std::exception) override
  64         {
  65             m_pOwner->disposing(rEvent);
  66         }
  67 };
  68
  69 /*-************************************************************************************************************
  70     @short          ctor
  71     @descr          These initialize an instance of a SfxFilterListener class. Created object listen automatically
  72                     on right FilterFactory-Service for all changes and synchronize right SfxFilterContainer with
  73                     corresponding framework-cache.
  74                     We use given "sFactory" value to decide which query must be used to fill "pContainer" with new values.
  75                     Given "pContainer" hold us alive as uno reference and we use it to synchronize it with framework caches.
  76                     We will die, if he die! see dtor for further information.
  77
  78     @seealso        dtor
  79     @seealso        class framework::FilterCache
  80     @seealso        service ::document::FilterFactory
  81
  82     @param          "sFactory"  , short name of module which contains filter container
  83     @param          "pContainer", pointer to filter container which will be informed
  84     @onerror        We show some assertions in non product version.
  85                     Otherwise we do nothing!
  86     @threadsafe     yes
  87 *//*-*************************************************************************************************************/
  88 SfxFilterListener::SfxFilterListener()
  89 {
  90     m_xFilterCache = document::FilterConfigRefresh::create( comphelper::getProcessComponentContext() );
  91     m_xFilterCacheListener = new SfxRefreshListener(this);
  92     m_xFilterCache->addRefreshListener( m_xFilterCacheListener );
  93 }
  94
  95 SfxFilterListener::~SfxFilterListener()
  96 {
  97 }
  98
  99 void SAL_CALL SfxFilterListener::refreshed( const lang::EventObject& aSource ) throw( uno::RuntimeException, std::exception )
 100 {
 101     SolarMutexGuard aGuard;
 102     uno::Reference< util::XRefreshable > xContainer( aSource.Source, uno::UNO_QUERY );
 103     if(
 104         (xContainer.is()           ) &&
 105         (xContainer==m_xFilterCache)
 106       )
 107     {
 108         SfxFilterContainer::ReadFilters_Impl( true );
 109     }
 110 }
 111
 112 void SAL_CALL SfxFilterListener::disposing( const lang::EventObject& aSource ) throw( uno::RuntimeException )
 113 {
 114     SolarMutexGuard aGuard;
 115     uno::Reference< util::XRefreshable > xNotifier( aSource.Source, uno::UNO_QUERY );
 116     if (!xNotifier.is())
 117         return;
 118
 119     if (xNotifier == m_xFilterCache)
 120         m_xFilterCache.clear();
 121 }
 122
 123 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */