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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_TRANSFER_HXX
21 : #define INCLUDED_SVTOOLS_TRANSFER_HXX
22 :
23 : #include <svtools/svtdllapi.h>
24 : #include <tools/globname.hxx>
25 : #include <tools/gen.hxx>
26 : #include <sot/formats.hxx>
27 : #include <sot/storage.hxx>
28 : #include <cppuhelper/implbase1.hxx>
29 : #include <cppuhelper/implbase4.hxx>
30 : #include <com/sun/star/frame/XTerminateListener.hpp>
31 : #include <com/sun/star/lang/XUnoTunnel.hpp>
32 : #include <com/sun/star/datatransfer/XTransferable2.hpp>
33 : #include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
34 : #include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
35 : #include <com/sun/star/datatransfer/dnd/XDragGestureRecognizer.hpp>
36 : #include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
37 : #include <com/sun/star/datatransfer/dnd/DropTargetDragEvent.hpp>
38 : #include <com/sun/star/datatransfer/dnd/DropTargetDropEvent.hpp>
39 : #include <com/sun/star/datatransfer/dnd/XDragSourceListener.hpp>
40 : #include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
41 : #include <com/sun/star/embed/Aspects.hpp>
42 : #include <com/sun/star/io/XInputStream.hpp>
43 :
44 : class BitmapEx;
45 : class GDIMetaFile;
46 : class Graphic;
47 : class ImageMap;
48 : class INetBookmark;
49 : class INetImage;
50 : class FileList;
51 : namespace vcl { class Window; }
52 : class Link;
53 :
54 : // Drag&Drop defines
55 :
56 : #define DND_ACTION_NONE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_NONE
57 : #define DND_ACTION_COPY ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_COPY
58 : #define DND_ACTION_MOVE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_MOVE
59 : #define DND_ACTION_COPYMOVE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_COPY_OR_MOVE
60 : #define DND_ACTION_LINK ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_LINK
61 :
62 : #define DND_POINTER_NONE 0
63 : #define DND_IMAGE_NONE 0
64 :
65 3770 : struct TransferableObjectDescriptor
66 : {
67 : SvGlobalName maClassName;
68 : sal_uInt16 mnViewAspect;
69 : Point maDragStartPos;
70 : Size maSize;
71 : sal_uInt32 mnOle2Misc;
72 : OUString maTypeName;
73 : OUString maDisplayName;
74 : bool mbCanLink;
75 :
76 3544 : TransferableObjectDescriptor()
77 : : mnViewAspect(::com::sun::star::embed::Aspects::MSOLE_CONTENT)
78 : , mnOle2Misc(0)
79 3544 : , mbCanLink(false)
80 3544 : {}
81 :
82 : SVT_DLLPUBLIC friend SvStream& WriteTransferableObjectDescriptor( SvStream& rOStm, const TransferableObjectDescriptor& rObjDesc );
83 : };
84 :
85 0 : struct AcceptDropEvent
86 : {
87 : sal_Int8 mnAction;
88 : Point maPosPixel;
89 : const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent maDragEvent;
90 : bool mbLeaving;
91 : bool mbDefault;
92 :
93 0 : AcceptDropEvent() :
94 : mnAction( DND_ACTION_NONE ),
95 : mbLeaving( false ),
96 0 : mbDefault( false ) {}
97 :
98 0 : AcceptDropEvent( sal_Int8 nAction,
99 : const Point& rPosPixel,
100 : const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& rDragEvent,
101 : bool bLeaving = false ) :
102 : mnAction( nAction ),
103 : maPosPixel( rPosPixel ),
104 : maDragEvent( rDragEvent ),
105 : mbLeaving( bLeaving ),
106 0 : mbDefault( false ) {}
107 : };
108 :
109 0 : struct ExecuteDropEvent
110 : {
111 : sal_Int8 mnAction;
112 : Point maPosPixel;
113 : const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent maDropEvent;
114 : bool mbDefault;
115 :
116 : ExecuteDropEvent() :
117 : mnAction( DND_ACTION_NONE ),
118 : mbDefault( false ) {}
119 :
120 0 : ExecuteDropEvent( sal_Int8 nAction,
121 : const Point& rPosPixel,
122 : const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& rDropEvent ) :
123 : mnAction( nAction ),
124 : maPosPixel( rPosPixel ),
125 : maDropEvent( rDropEvent ),
126 0 : mbDefault( false ) {}
127 : };
128 :
129 : class SVT_DLLPUBLIC TransferableHelper : public ::cppu::WeakImplHelper4< ::com::sun::star::datatransfer::XTransferable2,
130 : ::com::sun::star::datatransfer::clipboard::XClipboardOwner,
131 : ::com::sun::star::datatransfer::dnd::XDragSourceListener,
132 : ::com::sun::star::lang::XUnoTunnel >
133 : {
134 : private:
135 :
136 : // nested class to implement the XTerminateListener interface
137 : class TerminateListener : public ::cppu::WeakImplHelper1< ::com::sun::star::frame::XTerminateListener >
138 : {
139 : private:
140 :
141 : TransferableHelper& mrParent;
142 :
143 : private:
144 :
145 : // XEventListener
146 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
147 :
148 : // XTerminateListener
149 : virtual void SAL_CALL queryTermination( const ::com::sun::star::lang::EventObject& aEvent ) throw( ::com::sun::star::frame::TerminationVetoException, ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
150 : virtual void SAL_CALL notifyTermination( const ::com::sun::star::lang::EventObject& aEvent ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
151 :
152 : public:
153 :
154 : TerminateListener( TransferableHelper& rDropTargetHelper );
155 : virtual ~TerminateListener();
156 : };
157 :
158 : friend class TransferableHelper::TerminateListener;
159 :
160 : private:
161 :
162 : ::com::sun::star::uno::Any maAny;
163 : OUString maLastFormat;
164 : mutable ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > mxClipboard;
165 : ::com::sun::star::uno::Reference< ::com::sun::star::frame::XTerminateListener > mxTerminateListener;
166 : DataFlavorExVector* mpFormats;
167 : TransferableObjectDescriptor* mpObjDesc;
168 :
169 : protected:
170 : inline const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >&
171 0 : getOwnClipboard() const { return mxClipboard; }
172 :
173 : private:
174 :
175 : // XTransferable
176 : virtual ::com::sun::star::uno::Any SAL_CALL getTransferData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) throw(::com::sun::star::datatransfer::UnsupportedFlavorException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
177 : virtual ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor > SAL_CALL getTransferDataFlavors() throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
178 : virtual sal_Bool SAL_CALL isDataFlavorSupported( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
179 :
180 : // Transferable2
181 : virtual css::uno::Any SAL_CALL getTransferData2(
182 : const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc )
183 : throw (css::datatransfer::UnsupportedFlavorException, css::io::IOException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
184 :
185 : // XEventListener
186 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
187 :
188 : // XDragSourceListener
189 : virtual void SAL_CALL dragDropEnd( const ::com::sun::star::datatransfer::dnd::DragSourceDropEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
190 : virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
191 : virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DragSourceEvent& dse ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
192 : virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
193 : virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
194 :
195 : private:
196 :
197 : // XClipboardOwner
198 : virtual void SAL_CALL lostOwnership( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& xClipboard, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& xTrans ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
199 :
200 : protected:
201 : // derivees need to access lostOwnership in case hey override it
202 : // on windows, changing the access rights to a method gives unresolved externals, so we introduce
203 : // this impl-method here 'til the next incompatible update
204 0 : inline void implCallOwnLostOwnership(
205 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& _rxClipboard,
206 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTrans
207 : )
208 : {
209 0 : TransferableHelper::lostOwnership( _rxClipboard, _rxTrans );
210 0 : }
211 :
212 :
213 : private:
214 :
215 : SVT_DLLPRIVATE void ImplFlush();
216 :
217 : protected:
218 :
219 : virtual ~TransferableHelper();
220 :
221 : void AddFormat( SotFormatStringId nFormat );
222 : void AddFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
223 : void RemoveFormat( SotFormatStringId nFormat );
224 : void RemoveFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
225 : bool HasFormat( SotFormatStringId nFormat );
226 : inline bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) { return isDataFlavorSupported( rFlavor ); }
227 : void ClearFormats();
228 :
229 : bool SetAny( const ::com::sun::star::uno::Any& rAny, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
230 : bool SetString( const OUString& rString, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
231 : bool SetBitmapEx( const BitmapEx& rBitmap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
232 : bool SetGDIMetaFile( const GDIMetaFile& rMtf, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
233 : bool SetGraphic( const Graphic& rGraphic, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
234 : bool SetImageMap( const ImageMap& rIMap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
235 : bool SetTransferableObjectDescriptor( const TransferableObjectDescriptor& rDesc, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
236 : bool SetINetBookmark( const INetBookmark& rBmk, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
237 : bool SetINetImage( const INetImage& rINtImg, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
238 : bool SetObject( void* pUserObject, sal_uInt32 nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
239 :
240 : protected:
241 :
242 : virtual void AddSupportedFormats() = 0;
243 : virtual bool GetData( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc ) = 0;
244 : virtual bool WriteObject( SotStorageStreamRef& rxOStm, void* pUserObject, sal_uInt32 nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
245 : virtual void DragFinished( sal_Int8 nDropAction );
246 : virtual void ObjectReleased();
247 :
248 : public:
249 :
250 : TransferableHelper();
251 :
252 : void PrepareOLE( const TransferableObjectDescriptor& rObjDesc );
253 :
254 : void CopyToClipboard( vcl::Window *pWindow ) const;
255 : void CopyToSelection( vcl::Window *pWindow ) const;
256 : void StartDrag( vcl::Window* pWindow, sal_Int8 nDragSourceActions,
257 : sal_Int32 nDragPointer = DND_POINTER_NONE,
258 : sal_Int32 nDragImage = DND_IMAGE_NONE );
259 :
260 : static void ClearSelection( vcl::Window *pWindow );
261 :
262 : static ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > GetSystemClipboard();
263 : static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();
264 :
265 : public:
266 :
267 : virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
268 : };
269 :
270 : struct TransferableDataHelper_Impl;
271 :
272 : class SVT_DLLPUBLIC TransferableDataHelper
273 : {
274 : friend class DropTargetHelper;
275 :
276 : private:
277 :
278 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > mxTransfer;
279 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > mxClipboard;
280 : DataFlavorExVector* mpFormats;
281 : TransferableObjectDescriptor* mpObjDesc;
282 : TransferableDataHelper_Impl* mpImpl;
283 :
284 : protected:
285 : void InitFormats();
286 :
287 : public:
288 :
289 : static void FillDataFlavorExVector( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rDataFlavorSeq,
290 : DataFlavorExVector& rDataFlavorExVector );
291 :
292 : TransferableDataHelper();
293 : TransferableDataHelper( const TransferableDataHelper& rDataHelper );
294 : TransferableDataHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& rxTransferable );
295 : ~TransferableDataHelper();
296 :
297 : TransferableDataHelper& operator=( const TransferableDataHelper& rDataHelper );
298 :
299 1158 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& GetTransferable() const { return mxTransfer; }
300 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > GetXTransferable() const;
301 :
302 : bool HasFormat( SotFormatStringId nFormat ) const;
303 : bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) const;
304 :
305 : sal_uInt32 GetFormatCount() const;
306 :
307 : SotFormatStringId GetFormat( sal_uInt32 nFormat ) const;
308 : ::com::sun::star::datatransfer::DataFlavor GetFormatDataFlavor( sal_uInt32 nFormat ) const;
309 :
310 12 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
311 :
312 : bool StartClipboardListening( );
313 : void StopClipboardListening( );
314 :
315 : void Rebind( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxNewData );
316 :
317 : public:
318 :
319 : css::uno::Any GetAny( SotFormatStringId nFormat, const OUString& rDestDoc ) const;
320 : css::uno::Any GetAny( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc ) const;
321 :
322 : bool GetString( SotFormatStringId nFormat, OUString& rStr );
323 : bool GetString( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, OUString& rStr );
324 :
325 : bool GetBitmapEx( SotFormatStringId nFormat, BitmapEx& rBmp );
326 : bool GetBitmapEx( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, BitmapEx& rBmp );
327 :
328 : /** Return as GDI metafile.
329 :
330 : @param nMaxAction Allows you to limit the amount of actions; defaults to 0 which means no limit.
331 :
332 : Whet you eg. Ctrl+a in Excel, you can get the entire sheet as
333 : metafile, with over 3 million (!) actions; which is just too large for
334 : any reasonable handling - and you need to set a limit.
335 : */
336 : bool GetGDIMetaFile( SotFormatStringId nFormat, GDIMetaFile& rMtf, size_t nMaxActions = 0 );
337 : bool GetGDIMetaFile( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, GDIMetaFile& rMtf );
338 :
339 : bool GetGraphic( SotFormatStringId nFormat, Graphic& rGraphic );
340 : bool GetGraphic( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, Graphic& rGraphic );
341 :
342 : bool GetImageMap( SotFormatStringId nFormat, ImageMap& rIMap );
343 : bool GetImageMap( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ImageMap& rImap );
344 :
345 : bool GetTransferableObjectDescriptor( SotFormatStringId nFormat, TransferableObjectDescriptor& rDesc );
346 : bool GetTransferableObjectDescriptor( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, TransferableObjectDescriptor& rDesc );
347 :
348 : bool GetINetBookmark( SotFormatStringId nFormat, INetBookmark& rBmk );
349 : bool GetINetBookmark( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetBookmark& rBmk );
350 :
351 : bool GetINetImage( SotFormatStringId nFormat, INetImage& rINtImg );
352 : bool GetINetImage( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetImage& rINtImg );
353 :
354 : bool GetFileList( SotFormatStringId nFormat, FileList& rFileList );
355 : bool GetFileList( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, FileList& rFileList );
356 :
357 : css::uno::Sequence<sal_Int8> GetSequence( SotFormatStringId nFormat, const OUString& rDestDoc );
358 : css::uno::Sequence<sal_Int8> GetSequence( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc );
359 :
360 : bool GetSotStorageStream( SotFormatStringId nFormat, SotStorageStreamRef& rStreamRef );
361 : bool GetSotStorageStream( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, SotStorageStreamRef& rStreamRef );
362 :
363 : css::uno::Reference<css::io::XInputStream> GetInputStream( SotFormatStringId nFormat, const OUString& rDestDoc );
364 : css::uno::Reference<css::io::XInputStream> GetInputStream( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc );
365 :
366 : bool GetInterface( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rIf );
367 :
368 : public:
369 :
370 : static TransferableDataHelper CreateFromSystemClipboard( vcl::Window * pWindow );
371 : static TransferableDataHelper CreateFromSelection( vcl::Window * pWindow );
372 : static bool IsEqual( const ::com::sun::star::datatransfer::DataFlavor& rInternalFlavor,
373 : const ::com::sun::star::datatransfer::DataFlavor& rRequestFlavor,
374 : bool bCompareParameters = false );
375 : };
376 :
377 : class SVT_DLLPUBLIC DragSourceHelper
378 : {
379 : private:
380 :
381 : // nested class to implement the XDragGestureListener interface
382 : class DragGestureListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDragGestureListener >
383 : {
384 : private:
385 :
386 : DragSourceHelper& mrParent;
387 :
388 : private:
389 :
390 : // XEventListener
391 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
392 :
393 : // XDragGestureListener
394 : virtual void SAL_CALL dragGestureRecognized( const ::com::sun::star::datatransfer::dnd::DragGestureEvent& rDGE ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
395 :
396 : public:
397 :
398 : DragGestureListener( DragSourceHelper& rDragSourceHelper );
399 : virtual ~DragGestureListener();
400 : };
401 :
402 : friend class DragSourceHelper::DragGestureListener;
403 :
404 : private:
405 :
406 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureRecognizer > mxDragGestureRecognizer;
407 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureListener > mxDragGestureListener;
408 :
409 : // not available
410 : DragSourceHelper();
411 : DragSourceHelper& operator=( const DragSourceHelper& rDragSourceHelper );
412 : bool operator==( const DragSourceHelper& rDragSourceHelper ) const;
413 :
414 : public:
415 :
416 : // to be overridden by the application
417 : virtual void StartDrag( sal_Int8 nAction, const Point& rPosPixel );
418 :
419 : DragSourceHelper( vcl::Window* pWindow );
420 : virtual ~DragSourceHelper();
421 : };
422 :
423 : class SVT_DLLPUBLIC DropTargetHelper
424 : {
425 : private:
426 :
427 : // nested class to implement the XDropTargetListener interface
428 : class DropTargetListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDropTargetListener >
429 : {
430 : private:
431 :
432 : DropTargetHelper& mrParent;
433 : AcceptDropEvent* mpLastDragOverEvent;
434 :
435 : private:
436 :
437 : // XEventListener
438 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
439 :
440 : // XDropTargetListener
441 : virtual void SAL_CALL drop( const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& dtde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
442 : virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
443 : virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DropTargetEvent& dte ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
444 : virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
445 : virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
446 :
447 : public:
448 :
449 : DropTargetListener( DropTargetHelper& rDropTargetHelper );
450 : virtual ~DropTargetListener();
451 : };
452 :
453 : friend class DropTargetHelper::DropTargetListener;
454 :
455 : private:
456 :
457 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTarget > mxDropTarget;
458 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetListener > mxDropTargetListener;
459 : DataFlavorExVector* mpFormats;
460 :
461 : // not available
462 : DropTargetHelper();
463 : DropTargetHelper& operator=( const DropTargetHelper& rDropTargetHelper );
464 : bool operator==( const DropTargetHelper& rDropTargetHelper ) const;
465 :
466 : void ImplConstruct();
467 :
468 : // called by our own implementation of XDropTargetListener (DropTargetListener instance)
469 : void ImplBeginDrag( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rSupportedDataFlavors );
470 : void ImplEndDrag();
471 :
472 : public:
473 :
474 : // to be overridden by the application
475 : virtual sal_Int8 AcceptDrop( const AcceptDropEvent& rEvt );
476 : virtual sal_Int8 ExecuteDrop( const ExecuteDropEvent& rEvt );
477 :
478 : DropTargetHelper( vcl::Window* pWindow );
479 : DropTargetHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTarget >& rxDropTarget );
480 :
481 : virtual ~DropTargetHelper();
482 :
483 : // typically called by the application in ::AcceptDrop and ::ExecuteDrop and (see above)
484 : bool IsDropFormatSupported( SotFormatStringId nFormat );
485 : bool IsDropFormatSupported( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
486 :
487 0 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
488 :
489 : };
490 :
491 : struct TransferDataContainer_Impl;
492 :
493 : class SVT_DLLPUBLIC TransferDataContainer : public TransferableHelper
494 : {
495 : TransferDataContainer_Impl* pImpl;
496 :
497 : protected:
498 :
499 : virtual void AddSupportedFormats() SAL_OVERRIDE;
500 : virtual bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc ) SAL_OVERRIDE;
501 : virtual void DragFinished( sal_Int8 nDropAction ) SAL_OVERRIDE;
502 :
503 : public:
504 :
505 : TransferDataContainer();
506 : virtual ~TransferDataContainer();
507 :
508 : void CopyINetBookmark( const INetBookmark& rBkmk );
509 : void CopyINetImage( const INetImage& rINtImg );
510 : void CopyImageMap( const ImageMap& rImgMap );
511 : void CopyGraphic( const Graphic& rGrf );
512 : void CopyString( const OUString& rStr );
513 : void CopyString( sal_uInt16 nFmt, const OUString& rStr );
514 : void CopyAny( sal_uInt16 nFmt, const ::com::sun::star::uno::Any& rAny );
515 :
516 : void CopyByteString( sal_uLong nFormatId, const OString& rStr );
517 : void CopyAnyData( sal_uLong nFormatId, const sal_Char* pData, sal_uLong nLen );
518 :
519 : bool HasAnyData() const;
520 :
521 : using TransferableHelper::StartDrag;
522 : void StartDrag( vcl::Window* pWindow, sal_Int8 nDragSourceActions,
523 : const Link& rCallbck,
524 : sal_Int32 nDragPointer = DND_POINTER_NONE,
525 : sal_Int32 nDragImage = DND_IMAGE_NONE );
526 : };
527 :
528 : #endif
529 :
530 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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