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