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.
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   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 namespace com { namespace sun { namespace star { namespace uno {
  33     class XComponentContext;
  34 } } } }
  35
  36 /** DropTargetListener that takes care of opening a file when it is dropped in the frame.
  37 */
  38 class SVT_DLLPUBLIC OpenFileDropTargetListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDropTargetListener >
  39 {
  40     private:
  41         /// uno service manager to create necessary services
  42         css::uno::Reference< css::uno::XComponentContext > m_xContext;
  43
  44         /// weakreference to target frame (Don't use a hard reference. Owner can't delete us then!)
  45         css::uno::WeakReference< css::frame::XFrame > m_xTargetFrame;
  46
  47         /// drag/drop info
  48         DataFlavorExVector* m_pFormats;
  49
  50     public:
  51         OpenFileDropTargetListener( const css::uno::Reference< css::uno::XComponentContext >& xContext,
  52                                     const css::uno::Reference< css::frame::XFrame >& xFrame );
  53         virtual ~OpenFileDropTargetListener();
  54
  55     public:
  56         // XEventListener
  57         virtual void SAL_CALL disposing        ( const css::lang::EventObject& Source ) throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  58
  59         // XDropTargetListener
  60         virtual void SAL_CALL drop             ( const css::datatransfer::dnd::DropTargetDropEvent&      dtde  ) throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  61         virtual void SAL_CALL dragEnter        ( const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  62         virtual void SAL_CALL dragExit         ( const css::datatransfer::dnd::DropTargetEvent&          dte   ) throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  63         virtual void SAL_CALL dragOver         ( const css::datatransfer::dnd::DropTargetDragEvent&      dtde  ) throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  64         virtual void SAL_CALL dropActionChanged( const css::datatransfer::dnd::DropTargetDragEvent&      dtde  ) throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  65
  66     private:
  67         void     implts_BeginDrag( const css::uno::Sequence< css::datatransfer::DataFlavor >& rSupportedDataFlavors );
  68         void     implts_EndDrag();
  69         bool     implts_IsDropFormatSupported( SotClipboardFormatId nFormat );
  70         void     implts_OpenFile( const OUString& rFilePath );
  71 };
  72
  73 #endif // INCLUDED_SVTOOLS_OPENFILEDROPTARGETLISTENER_HXX
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */