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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/XTransferable.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 : 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 0 : 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 0 : TransferableObjectDescriptor()
77 : : mnViewAspect(::com::sun::star::embed::Aspects::MSOLE_CONTENT)
78 : , mnOle2Misc(0)
79 0 : , mbCanLink(false)
80 0 : {}
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::XTransferable,
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 : // XEventListener
181 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
182 :
183 : // XDragSourceListener
184 : virtual void SAL_CALL dragDropEnd( const ::com::sun::star::datatransfer::dnd::DragSourceDropEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
185 : virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
186 : virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DragSourceEvent& dse ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
187 : virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
188 : virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
189 :
190 : private:
191 :
192 : // XClipboardOwner
193 : 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;
194 :
195 : protected:
196 : // derivees need to access lostOwnership in case hey override it
197 : // on windows, changing the access rights to a method gives unresolved externals, so we introduce
198 : // this impl-method here 'til the next incompatible update
199 0 : inline void implCallOwnLostOwnership(
200 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& _rxClipboard,
201 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTrans
202 : )
203 : {
204 0 : TransferableHelper::lostOwnership( _rxClipboard, _rxTrans );
205 0 : }
206 :
207 :
208 : private:
209 :
210 : SVT_DLLPRIVATE void ImplFlush();
211 :
212 : protected:
213 :
214 : virtual ~TransferableHelper();
215 :
216 : void AddFormat( SotFormatStringId nFormat );
217 : void AddFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
218 : void RemoveFormat( SotFormatStringId nFormat );
219 : void RemoveFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
220 : bool HasFormat( SotFormatStringId nFormat );
221 : inline bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) { return isDataFlavorSupported( rFlavor ); }
222 : void ClearFormats();
223 :
224 : bool SetAny( const ::com::sun::star::uno::Any& rAny, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
225 : bool SetString( const OUString& rString, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
226 : bool SetBitmapEx( const BitmapEx& rBitmap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
227 : bool SetGDIMetaFile( const GDIMetaFile& rMtf, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
228 : bool SetGraphic( const Graphic& rGraphic, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
229 : bool SetImageMap( const ImageMap& rIMap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
230 : bool SetTransferableObjectDescriptor( const TransferableObjectDescriptor& rDesc, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
231 : bool SetINetBookmark( const INetBookmark& rBmk, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
232 : bool SetINetImage( const INetImage& rINtImg, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
233 : bool SetObject( void* pUserObject, sal_uInt32 nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
234 :
235 : protected:
236 :
237 : virtual void AddSupportedFormats() = 0;
238 : virtual bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) = 0;
239 : virtual bool WriteObject( SotStorageStreamRef& rxOStm, void* pUserObject, sal_uInt32 nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
240 : virtual void DragFinished( sal_Int8 nDropAction );
241 : virtual void ObjectReleased();
242 :
243 : public:
244 :
245 : TransferableHelper();
246 :
247 : void PrepareOLE( const TransferableObjectDescriptor& rObjDesc );
248 :
249 : void CopyToClipboard( Window *pWindow ) const;
250 : void CopyToSelection( Window *pWindow ) const;
251 : void StartDrag( Window* pWindow, sal_Int8 nDragSourceActions,
252 : sal_Int32 nDragPointer = DND_POINTER_NONE,
253 : sal_Int32 nDragImage = DND_IMAGE_NONE );
254 :
255 : static void ClearSelection( Window *pWindow );
256 :
257 : static ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > GetSystemClipboard();
258 : static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();
259 :
260 : public:
261 :
262 : 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;
263 : };
264 :
265 : struct TransferableDataHelper_Impl;
266 :
267 : class SVT_DLLPUBLIC TransferableDataHelper
268 : {
269 : friend class DropTargetHelper;
270 :
271 : private:
272 :
273 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > mxTransfer;
274 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > mxClipboard;
275 : DataFlavorExVector* mpFormats;
276 : TransferableObjectDescriptor* mpObjDesc;
277 : TransferableDataHelper_Impl* mpImpl;
278 :
279 : protected:
280 : void InitFormats();
281 :
282 : public:
283 :
284 : static void FillDataFlavorExVector( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rDataFlavorSeq,
285 : DataFlavorExVector& rDataFlavorExVector );
286 :
287 : TransferableDataHelper();
288 : TransferableDataHelper( const TransferableDataHelper& rDataHelper );
289 : TransferableDataHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& rxTransferable );
290 : ~TransferableDataHelper();
291 :
292 : TransferableDataHelper& operator=( const TransferableDataHelper& rDataHelper );
293 :
294 0 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& GetTransferable() const { return mxTransfer; }
295 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > GetXTransferable() const;
296 :
297 : bool HasFormat( SotFormatStringId nFormat ) const;
298 : bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) const;
299 :
300 : sal_uInt32 GetFormatCount() const;
301 :
302 : SotFormatStringId GetFormat( sal_uInt32 nFormat ) const;
303 : ::com::sun::star::datatransfer::DataFlavor GetFormatDataFlavor( sal_uInt32 nFormat ) const;
304 :
305 0 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
306 :
307 : bool StartClipboardListening( );
308 : void StopClipboardListening( );
309 :
310 : void Rebind( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxNewData );
311 :
312 : public:
313 :
314 : ::com::sun::star::uno::Any GetAny( SotFormatStringId nFormat ) const;
315 : ::com::sun::star::uno::Any GetAny( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) const;
316 :
317 : bool GetString( SotFormatStringId nFormat, OUString& rStr );
318 : bool GetString( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, OUString& rStr );
319 :
320 : bool GetBitmapEx( SotFormatStringId nFormat, BitmapEx& rBmp );
321 : bool GetBitmapEx( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, BitmapEx& rBmp );
322 :
323 : /** Return as GDI metafile.
324 :
325 : @param nMaxAction Allows you to limit the amount of actions; defaults to 0 which means no limit.
326 :
327 : Whet you eg. Ctrl+a in Excel, you can get the entire sheet as
328 : metafile, with over 3 million (!) actions; which is just too large for
329 : any reasonable handling - and you need to set a limit.
330 : */
331 : bool GetGDIMetaFile( SotFormatStringId nFormat, GDIMetaFile& rMtf, size_t nMaxActions = 0 );
332 : bool GetGDIMetaFile( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, GDIMetaFile& rMtf );
333 :
334 : bool GetGraphic( SotFormatStringId nFormat, Graphic& rGraphic );
335 : bool GetGraphic( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, Graphic& rGraphic );
336 :
337 : bool GetImageMap( SotFormatStringId nFormat, ImageMap& rIMap );
338 : bool GetImageMap( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ImageMap& rImap );
339 :
340 : bool GetTransferableObjectDescriptor( SotFormatStringId nFormat, TransferableObjectDescriptor& rDesc );
341 : bool GetTransferableObjectDescriptor( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, TransferableObjectDescriptor& rDesc );
342 :
343 : bool GetINetBookmark( SotFormatStringId nFormat, INetBookmark& rBmk );
344 : bool GetINetBookmark( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetBookmark& rBmk );
345 :
346 : bool GetINetImage( SotFormatStringId nFormat, INetImage& rINtImg );
347 : bool GetINetImage( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetImage& rINtImg );
348 :
349 : bool GetFileList( SotFormatStringId nFormat, FileList& rFileList );
350 : bool GetFileList( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, FileList& rFileList );
351 :
352 : bool GetSequence( SotFormatStringId nFormat, ::com::sun::star::uno::Sequence< sal_Int8 >& rSeq );
353 : bool GetSequence( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Sequence< sal_Int8 >& rSeq );
354 :
355 : bool GetSotStorageStream( SotFormatStringId nFormat, SotStorageStreamRef& rStreamRef );
356 : bool GetSotStorageStream( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, SotStorageStreamRef& rStreamRef );
357 :
358 : bool GetInputStream( SotFormatStringId nFormat, ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xStream );
359 : bool GetInputStream( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xStream );
360 :
361 : bool GetInterface( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rIf );
362 :
363 : public:
364 :
365 : static TransferableDataHelper CreateFromSystemClipboard( Window * pWindow );
366 : static TransferableDataHelper CreateFromSelection( Window * pWindow );
367 : static bool IsEqual( const ::com::sun::star::datatransfer::DataFlavor& rInternalFlavor,
368 : const ::com::sun::star::datatransfer::DataFlavor& rRequestFlavor,
369 : bool bCompareParameters = false );
370 : };
371 :
372 : class SVT_DLLPUBLIC DragSourceHelper
373 : {
374 : private:
375 :
376 : // nested class to implement the XDragGestureListener interface
377 : class DragGestureListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDragGestureListener >
378 : {
379 : private:
380 :
381 : DragSourceHelper& mrParent;
382 :
383 : private:
384 :
385 : // XEventListener
386 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
387 :
388 : // XDragGestureListener
389 : virtual void SAL_CALL dragGestureRecognized( const ::com::sun::star::datatransfer::dnd::DragGestureEvent& rDGE ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
390 :
391 : public:
392 :
393 : DragGestureListener( DragSourceHelper& rDragSourceHelper );
394 : virtual ~DragGestureListener();
395 : };
396 :
397 : friend class DragSourceHelper::DragGestureListener;
398 :
399 : private:
400 :
401 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureRecognizer > mxDragGestureRecognizer;
402 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureListener > mxDragGestureListener;
403 :
404 : // not available
405 : DragSourceHelper();
406 : DragSourceHelper& operator=( const DragSourceHelper& rDragSourceHelper );
407 : bool operator==( const DragSourceHelper& rDragSourceHelper ) const;
408 :
409 : public:
410 :
411 : // to be overridden by the application
412 : virtual void StartDrag( sal_Int8 nAction, const Point& rPosPixel );
413 :
414 : DragSourceHelper( Window* pWindow );
415 : virtual ~DragSourceHelper();
416 : };
417 :
418 : class SVT_DLLPUBLIC DropTargetHelper
419 : {
420 : private:
421 :
422 : // nested class to implement the XDropTargetListener interface
423 : class DropTargetListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDropTargetListener >
424 : {
425 : private:
426 :
427 : DropTargetHelper& mrParent;
428 : AcceptDropEvent* mpLastDragOverEvent;
429 :
430 : private:
431 :
432 : // XEventListener
433 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
434 :
435 : // XDropTargetListener
436 : virtual void SAL_CALL drop( const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& dtde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
437 : virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
438 : virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DropTargetEvent& dte ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
439 : virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
440 : virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
441 :
442 : public:
443 :
444 : DropTargetListener( DropTargetHelper& rDropTargetHelper );
445 : virtual ~DropTargetListener();
446 : };
447 :
448 : friend class DropTargetHelper::DropTargetListener;
449 :
450 : private:
451 :
452 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTarget > mxDropTarget;
453 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetListener > mxDropTargetListener;
454 : DataFlavorExVector* mpFormats;
455 :
456 : // not available
457 : DropTargetHelper();
458 : DropTargetHelper& operator=( const DropTargetHelper& rDropTargetHelper );
459 : bool operator==( const DropTargetHelper& rDropTargetHelper ) const;
460 :
461 : void ImplConstruct();
462 :
463 : // called by our own implementation of XDropTargetListener (DropTargetListener instance)
464 : void ImplBeginDrag( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rSupportedDataFlavors );
465 : void ImplEndDrag();
466 :
467 : public:
468 :
469 : // to be overridden by the application
470 : virtual sal_Int8 AcceptDrop( const AcceptDropEvent& rEvt );
471 : virtual sal_Int8 ExecuteDrop( const ExecuteDropEvent& rEvt );
472 :
473 : DropTargetHelper( Window* pWindow );
474 : DropTargetHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTarget >& rxDropTarget );
475 :
476 : virtual ~DropTargetHelper();
477 :
478 : // typically called by the application in ::AcceptDrop and ::ExecuteDrop and (see above)
479 : bool IsDropFormatSupported( SotFormatStringId nFormat );
480 : bool IsDropFormatSupported( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
481 :
482 0 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
483 :
484 : };
485 :
486 : struct TransferDataContainer_Impl;
487 :
488 : class SVT_DLLPUBLIC TransferDataContainer : public TransferableHelper
489 : {
490 : TransferDataContainer_Impl* pImpl;
491 :
492 : protected:
493 :
494 : virtual void AddSupportedFormats() SAL_OVERRIDE;
495 : virtual bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) SAL_OVERRIDE;
496 : virtual void DragFinished( sal_Int8 nDropAction ) SAL_OVERRIDE;
497 :
498 : public:
499 :
500 : TransferDataContainer();
501 : virtual ~TransferDataContainer();
502 :
503 : void CopyINetBookmark( const INetBookmark& rBkmk );
504 : void CopyINetImage( const INetImage& rINtImg );
505 : void CopyImageMap( const ImageMap& rImgMap );
506 : void CopyGraphic( const Graphic& rGrf );
507 : void CopyString( const OUString& rStr );
508 : void CopyString( sal_uInt16 nFmt, const OUString& rStr );
509 : void CopyAny( sal_uInt16 nFmt, const ::com::sun::star::uno::Any& rAny );
510 :
511 : void CopyByteString( sal_uLong nFormatId, const OString& rStr );
512 : void CopyAnyData( sal_uLong nFormatId, const sal_Char* pData, sal_uLong nLen );
513 :
514 : bool HasAnyData() const;
515 :
516 : using TransferableHelper::StartDrag;
517 : void StartDrag( Window* pWindow, sal_Int8 nDragSourceActions,
518 : const Link& rCallbck,
519 : sal_Int32 nDragPointer = DND_POINTER_NONE,
520 : sal_Int32 nDragImage = DND_IMAGE_NONE );
521 : };
522 :
523 : #endif
524 :
525 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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