include/svtools/openfiledroptargetlistener.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 #ifndef INCLUDED_SVTOOLS_OPENFILEDROPTARGETLISTENER_HXX
  21 #define INCLUDED_SVTOOLS_OPENFILEDROPTARGETLISTENER_HXX
  22
  23 #include <svtools/svtdllapi.h>
  24
  25 #include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
  26 #include <com/sun/star/frame/XFrame.hpp>
  27
  28 #include <cppuhelper/implbase1.hxx>
  29
  30 #include <sot/exchange.hxx>
  31
  32 /** DropTargetListener that takes care of opening a file when it is dropped in the frame.
  33 */
  34 class SVT_DLLPUBLIC OpenFileDropTargetListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDropTargetListener >
  35 {
  36     private:
  37         /// uno service manager to create necessary services
  38         css::uno::Reference< css::uno::XComponentContext > m_xContext;
  39
  40         /// weakreference to target frame (Don't use a hard reference. Owner can't delete us then!)
  41         css::uno::WeakReference< css::frame::XFrame > m_xTargetFrame;
  42
  43         /// drag/drop info
  44         DataFlavorExVector* m_pFormats;
  45
  46     public:
  47         OpenFileDropTargetListener( const css::uno::Reference< css::uno::XComponentContext >& xContext,
  48                                     const css::uno::Reference< css::frame::XFrame >& xFrame );
  49         ~OpenFileDropTargetListener();
  50
  51     public:
  52         // XEventListener
  53         virtual void SAL_CALL disposing        ( const css::lang::EventObject& Source ) throw(css::uno::RuntimeException);
  54
  55         // XDropTargetListener
  56         virtual void SAL_CALL drop             ( const css::datatransfer::dnd::DropTargetDropEvent&      dtde  ) throw(css::uno::RuntimeException);
  57         virtual void SAL_CALL dragEnter        ( const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) throw(css::uno::RuntimeException);
  58         virtual void SAL_CALL dragExit         ( const css::datatransfer::dnd::DropTargetEvent&          dte   ) throw(css::uno::RuntimeException);
  59         virtual void SAL_CALL dragOver         ( const css::datatransfer::dnd::DropTargetDragEvent&      dtde  ) throw(css::uno::RuntimeException);
  60         virtual void SAL_CALL dropActionChanged( const css::datatransfer::dnd::DropTargetDragEvent&      dtde  ) throw(css::uno::RuntimeException);
  61
  62     private:
  63         void     implts_BeginDrag( const css::uno::Sequence< css::datatransfer::DataFlavor >& rSupportedDataFlavors );
  64         void     implts_EndDrag();
  65         sal_Bool implts_IsDropFormatSupported( SotFormatStringId nFormat );
  66         void     implts_OpenFile( const OUString& rFilePath );
  67 };
  68
  69 #endif // INCLUDED_SVTOOLS_OPENFILEDROPTARGETLISTENER_HXX
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */