include/svtools/cliplistener.hxx

   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 #pragma once
  21
  22 #include <svtools/svtdllapi.h>
  23 #include <tools/link.hxx>
  24 #include <cppuhelper/implbase.hxx>
  25 #include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
  26
  27 namespace vcl { class Window; }
  28
  29 class TransferableDataHelper;
  30
  31 class SVT_DLLPUBLIC TransferableClipboardListener final : public cppu::WeakImplHelper<
  32                             css::datatransfer::clipboard::XClipboardListener >
  33 {
  34     Link<TransferableDataHelper*,void>  aLink;
  35
  36     void    AddRemoveListener( vcl::Window* pWin, bool bAdd );
  37 public:
  38             // Link is called with a TransferableDataHelper pointer
  39             TransferableClipboardListener( const Link<TransferableDataHelper*,void>& rCallback );
  40             virtual ~TransferableClipboardListener() override;
  41
  42     void    AddListener( vcl::Window* pWin ) { AddRemoveListener(pWin, true); }
  43     void    RemoveListener( vcl::Window* pWin ) { AddRemoveListener(pWin, false); }
  44     void    ClearCallbackLink();
  45
  46             // XEventListener
  47     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
  48             // XClipboardListener
  49     virtual void SAL_CALL changedContents( const css::datatransfer::clipboard::ClipboardEvent& event ) override;
  50 };
  51
  52 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */