svtools/source/misc/cliplistener.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 <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
  22
  23 #include <vcl/svapp.hxx>
  24 #include <vcl/window.hxx>
  25 #include <osl/mutex.hxx>
  26
  27 #include <svtools/cliplistener.hxx>
  28 #include <svtools/transfer.hxx>
  29
  30 using namespace ::com::sun::star;
  31
  32
  33
  34 TransferableClipboardListener::TransferableClipboardListener( const Link<>& rCallback ) :
  35     aLink( rCallback )
  36 {
  37 }
  38
  39 TransferableClipboardListener::~TransferableClipboardListener()
  40 {
  41 }
  42
  43 void SAL_CALL TransferableClipboardListener::disposing( const lang::EventObject& )
  44                                                         throw(uno::RuntimeException, std::exception)
  45 {
  46 }
  47
  48 void SAL_CALL TransferableClipboardListener::changedContents(
  49                             const datatransfer::clipboard::ClipboardEvent& rEventObject )
  50                                                         throw(uno::RuntimeException, std::exception)
  51 {
  52     if ( aLink.IsSet() )
  53     {
  54         const SolarMutexGuard aGuard;
  55
  56         TransferableDataHelper aDataHelper( rEventObject.Contents );
  57         aLink.Call( &aDataHelper );
  58     }
  59 }
  60
  61 void TransferableClipboardListener::AddRemoveListener( vcl::Window* pWin, bool bAdd )
  62 {
  63     try
  64     {
  65         if ( pWin )
  66         {
  67             uno::Reference<datatransfer::clipboard::XClipboard> xClipboard = pWin->GetClipboard();
  68             uno::Reference<datatransfer::clipboard::XClipboardNotifier> xClpbrdNtfr( xClipboard, uno::UNO_QUERY );
  69             if( xClpbrdNtfr.is() )
  70             {
  71                 uno::Reference<datatransfer::clipboard::XClipboardListener> xClipEvtLstnr( this );
  72                 if( bAdd )
  73                     xClpbrdNtfr->addClipboardListener( xClipEvtLstnr );
  74                 else
  75                     xClpbrdNtfr->removeClipboardListener( xClipEvtLstnr );
  76             }
  77         }
  78     }
  79     catch( const ::com::sun::star::uno::Exception& )
  80     {
  81     }
  82 }
  83
  84 void TransferableClipboardListener::ClearCallbackLink()
  85 {
  86     aLink = Link<>();
  87 }
  88
  89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */