sfx2/source/doc/docstoragemodifylistener.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 <sfx2/docstoragemodifylistener.hxx>
  21 #include <comphelper/solarmutex.hxx>
  22
  23
  24 namespace sfx2
  25 {
  26
  27
  28     using ::com::sun::star::lang::EventObject;
  29
  30
  31     //=
  32
  33
  34     DocumentStorageModifyListener::DocumentStorageModifyListener( IModifiableDocument& _rDocument, comphelper::SolarMutex& _rMutex )
  35         :m_pDocument( &_rDocument )
  36         ,m_rMutex( _rMutex )
  37     {
  38     }
  39
  40
  41     DocumentStorageModifyListener::~DocumentStorageModifyListener()
  42     {
  43     }
  44
  45
  46     void DocumentStorageModifyListener::dispose()
  47     {
  48         ::osl::Guard< comphelper::SolarMutex > aGuard( m_rMutex );
  49         m_pDocument = nullptr;
  50     }
  51
  52
  53     void SAL_CALL DocumentStorageModifyListener::modified( const EventObject& /*aEvent*/ )
  54     {
  55         ::osl::Guard< comphelper::SolarMutex > aGuard( m_rMutex );
  56         // storageIsModified must not contain any locking!
  57         if ( m_pDocument )
  58             m_pDocument->storageIsModified();
  59     }
  60
  61
  62     void SAL_CALL DocumentStorageModifyListener::disposing( const EventObject& /*Source*/ )
  63     {
  64         // not interested in. In particular, we do *not* dispose ourself when a storage we're
  65         // listening at is disposed. The reason here is that this listener instance is *reused*
  66         // in case the document is re-based to another storage.
  67     }
  68
  69
  70 } // namespace sfx2
  71
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */