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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 _TRANSFER_HXX
21 : #define _TRANSFER_HXX
22 :
23 : #include "svtools/svtdllapi.h"
24 : #include <tools/globname.hxx>
25 : #include <tools/gen.hxx>
26 : #include <tools/string.hxx>
27 : #include <sot/formats.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 SotStorageStreamRef;
49 : class INetBookmark;
50 : class INetImage;
51 : class FileList;
52 : class Window;
53 : class Link;
54 :
55 : // Drag&Drop defines
56 :
57 : #define DND_ACTION_NONE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_NONE
58 : #define DND_ACTION_COPY ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_COPY
59 : #define DND_ACTION_MOVE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_MOVE
60 : #define DND_ACTION_COPYMOVE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_COPY_OR_MOVE
61 : #define DND_ACTION_LINK ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_LINK
62 :
63 : #define DND_POINTER_NONE 0
64 : #define DND_IMAGE_NONE 0
65 :
66 3061 : struct TransferableObjectDescriptor
67 : {
68 : SvGlobalName maClassName;
69 : sal_uInt16 mnViewAspect;
70 : Point maDragStartPos;
71 : Size maSize;
72 : sal_uInt32 mnOle2Misc;
73 : OUString maTypeName;
74 : OUString maDisplayName;
75 : sal_Bool mbCanLink;
76 :
77 2991 : TransferableObjectDescriptor()
78 : : mnViewAspect(::com::sun::star::embed::Aspects::MSOLE_CONTENT)
79 : , mnOle2Misc(0)
80 2991 : , mbCanLink(false)
81 2991 : {}
82 :
83 : SVT_DLLPUBLIC friend SvStream& operator>>( SvStream& rIStm, TransferableObjectDescriptor& rObjDesc );
84 : SVT_DLLPUBLIC friend SvStream& operator<<( SvStream& rOStm, const TransferableObjectDescriptor& rObjDesc );
85 : };
86 :
87 0 : struct AcceptDropEvent
88 : {
89 : sal_Int8 mnAction;
90 : Point maPosPixel;
91 : const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent maDragEvent;
92 : sal_Bool mbLeaving;
93 : sal_Bool mbDefault;
94 :
95 0 : AcceptDropEvent() :
96 : mnAction( DND_ACTION_NONE ),
97 : mbLeaving( sal_False ),
98 0 : mbDefault( sal_False ) {}
99 :
100 0 : AcceptDropEvent( sal_Int8 nAction,
101 : const Point& rPosPixel,
102 : const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& rDragEvent,
103 : sal_Bool bLeaving = sal_False ) :
104 : mnAction( nAction ),
105 : maPosPixel( rPosPixel ),
106 : maDragEvent( rDragEvent ),
107 : mbLeaving( bLeaving ),
108 0 : mbDefault( sal_False ) {}
109 : };
110 :
111 0 : struct ExecuteDropEvent
112 : {
113 : sal_Int8 mnAction;
114 : Point maPosPixel;
115 : const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent maDropEvent;
116 : sal_Bool mbDefault;
117 :
118 : ExecuteDropEvent() :
119 : mnAction( DND_ACTION_NONE ),
120 : mbDefault( sal_False ) {}
121 :
122 0 : ExecuteDropEvent( sal_Int8 nAction,
123 : const Point& rPosPixel,
124 : const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& rDropEvent ) :
125 : mnAction( nAction ),
126 : maPosPixel( rPosPixel ),
127 : maDropEvent( rDropEvent ),
128 0 : mbDefault( sal_False ) {}
129 : };
130 :
131 : class SVT_DLLPUBLIC TransferableHelper : public ::cppu::WeakImplHelper4< ::com::sun::star::datatransfer::XTransferable,
132 : ::com::sun::star::datatransfer::clipboard::XClipboardOwner,
133 : ::com::sun::star::datatransfer::dnd::XDragSourceListener,
134 : ::com::sun::star::lang::XUnoTunnel >
135 : {
136 : private:
137 :
138 : // nested class to implement the XTerminateListener interface
139 : class TerminateListener : public ::cppu::WeakImplHelper1< ::com::sun::star::frame::XTerminateListener >
140 : {
141 : private:
142 :
143 : TransferableHelper& mrParent;
144 :
145 : private:
146 :
147 : // XEventListener
148 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException );
149 :
150 : // XTerminateListener
151 : virtual void SAL_CALL queryTermination( const ::com::sun::star::lang::EventObject& aEvent ) throw( ::com::sun::star::frame::TerminationVetoException, ::com::sun::star::uno::RuntimeException );
152 : virtual void SAL_CALL notifyTermination( const ::com::sun::star::lang::EventObject& aEvent ) throw( ::com::sun::star::uno::RuntimeException );
153 :
154 : public:
155 :
156 : TerminateListener( TransferableHelper& rDropTargetHelper );
157 : virtual ~TerminateListener();
158 : };
159 :
160 : friend class TransferableHelper::TerminateListener;
161 :
162 : private:
163 :
164 : ::com::sun::star::uno::Any maAny;
165 : OUString maLastFormat;
166 : mutable ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > mxClipboard;
167 : ::com::sun::star::uno::Reference< ::com::sun::star::frame::XTerminateListener > mxTerminateListener;
168 : DataFlavorExVector* mpFormats;
169 : TransferableObjectDescriptor* mpObjDesc;
170 :
171 : protected:
172 : inline const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >&
173 0 : getOwnClipboard() const { return mxClipboard; }
174 :
175 : private:
176 :
177 : // XTransferable
178 : 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);
179 : virtual ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor > SAL_CALL getTransferDataFlavors() throw(::com::sun::star::uno::RuntimeException);
180 : virtual sal_Bool SAL_CALL isDataFlavorSupported( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) throw(::com::sun::star::uno::RuntimeException);
181 :
182 : // XEventListener
183 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException);
184 :
185 : // XDragSourceListener
186 : virtual void SAL_CALL dragDropEnd( const ::com::sun::star::datatransfer::dnd::DragSourceDropEvent& dsde ) throw(::com::sun::star::uno::RuntimeException);
187 : virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException);
188 : virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DragSourceEvent& dse ) throw(::com::sun::star::uno::RuntimeException);
189 : virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException);
190 : virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException);
191 :
192 : private:
193 :
194 : // XClipboardOwner
195 : 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);
196 :
197 : protected:
198 : // derivees need to access lostOwnership in case hey override it
199 : // on windows, changing the access rights to a method gives unresolved externals, so we introduce
200 : // this impl-method here 'til the next incompatible update
201 0 : inline void implCallOwnLostOwnership(
202 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& _rxClipboard,
203 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTrans
204 : )
205 : {
206 0 : TransferableHelper::lostOwnership( _rxClipboard, _rxTrans );
207 0 : }
208 :
209 :
210 : private:
211 :
212 : SVT_DLLPRIVATE void ImplFlush();
213 :
214 : protected:
215 :
216 : virtual ~TransferableHelper();
217 :
218 : void AddFormat( SotFormatStringId nFormat );
219 : void AddFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
220 : void RemoveFormat( SotFormatStringId nFormat );
221 : void RemoveFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
222 : sal_Bool HasFormat( SotFormatStringId nFormat );
223 : inline sal_Bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) { return isDataFlavorSupported( rFlavor ); }
224 : void ClearFormats();
225 :
226 : sal_Bool SetAny( const ::com::sun::star::uno::Any& rAny, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
227 : sal_Bool SetString( const OUString& rString, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
228 : sal_Bool SetBitmapEx( const BitmapEx& rBitmap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
229 : sal_Bool SetGDIMetaFile( const GDIMetaFile& rMtf, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
230 : sal_Bool SetGraphic( const Graphic& rGraphic, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
231 : sal_Bool SetImageMap( const ImageMap& rIMap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
232 : sal_Bool SetTransferableObjectDescriptor( const TransferableObjectDescriptor& rDesc, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
233 : sal_Bool SetINetBookmark( const INetBookmark& rBmk, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
234 : sal_Bool SetINetImage( const INetImage& rINtImg, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
235 : sal_Bool SetObject( void* pUserObject, sal_uInt32 nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
236 :
237 : protected:
238 :
239 : virtual void AddSupportedFormats() = 0;
240 : virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) = 0;
241 : virtual sal_Bool WriteObject( SotStorageStreamRef& rxOStm, void* pUserObject, sal_uInt32 nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
242 : virtual void DragFinished( sal_Int8 nDropAction );
243 : virtual void ObjectReleased();
244 :
245 : public:
246 :
247 : TransferableHelper();
248 :
249 : void PrepareOLE( const TransferableObjectDescriptor& rObjDesc );
250 :
251 : void CopyToClipboard( Window *pWindow ) const;
252 : void CopyToSelection( Window *pWindow ) const;
253 : void StartDrag( Window* pWindow, sal_Int8 nDragSourceActions,
254 : sal_Int32 nDragPointer = DND_POINTER_NONE,
255 : sal_Int32 nDragImage = DND_IMAGE_NONE );
256 :
257 : static void ClearSelection( Window *pWindow );
258 :
259 : static ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > GetSystemClipboard();
260 : static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();
261 :
262 : public:
263 :
264 : virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( ::com::sun::star::uno::RuntimeException );
265 : };
266 :
267 : struct TransferableDataHelper_Impl;
268 :
269 : class SVT_DLLPUBLIC TransferableDataHelper
270 : {
271 : friend class DropTargetHelper;
272 :
273 : private:
274 :
275 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > mxTransfer;
276 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > mxClipboard;
277 : DataFlavorExVector* mpFormats;
278 : TransferableObjectDescriptor* mpObjDesc;
279 : TransferableDataHelper_Impl* mpImpl;
280 :
281 : protected:
282 : void InitFormats();
283 :
284 : public:
285 :
286 : static void FillDataFlavorExVector( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rDataFlavorSeq,
287 : DataFlavorExVector& rDataFlavorExVector );
288 :
289 : TransferableDataHelper();
290 : TransferableDataHelper( const TransferableDataHelper& rDataHelper );
291 : TransferableDataHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& rxTransferable );
292 : ~TransferableDataHelper();
293 :
294 : TransferableDataHelper& operator=( const TransferableDataHelper& rDataHelper );
295 :
296 1187 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& GetTransferable() const { return mxTransfer; }
297 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > GetXTransferable() const;
298 :
299 : sal_Bool HasFormat( SotFormatStringId nFormat ) const;
300 : sal_Bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) const;
301 :
302 : sal_uInt32 GetFormatCount() const;
303 :
304 : SotFormatStringId GetFormat( sal_uInt32 nFormat ) const;
305 : ::com::sun::star::datatransfer::DataFlavor GetFormatDataFlavor( sal_uInt32 nFormat ) const;
306 :
307 0 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
308 :
309 : sal_Bool StartClipboardListening( );
310 : void StopClipboardListening( );
311 :
312 : void Rebind( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxNewData );
313 :
314 : public:
315 :
316 : ::com::sun::star::uno::Any GetAny( SotFormatStringId nFormat ) const;
317 : ::com::sun::star::uno::Any GetAny( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) const;
318 :
319 : sal_Bool GetString( SotFormatStringId nFormat, String& rStr );
320 : sal_Bool GetString( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, String& rStr );
321 :
322 : sal_Bool GetString( SotFormatStringId nFormat, OUString& rStr );
323 : sal_Bool GetString( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, OUString& rStr );
324 :
325 : sal_Bool GetBitmapEx( SotFormatStringId nFormat, BitmapEx& rBmp );
326 : sal_Bool GetBitmapEx( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, BitmapEx& rBmp );
327 :
328 : sal_Bool GetGDIMetaFile( SotFormatStringId nFormat, GDIMetaFile& rMtf );
329 : sal_Bool GetGDIMetaFile( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, GDIMetaFile& rMtf );
330 :
331 : sal_Bool GetGraphic( SotFormatStringId nFormat, Graphic& rGraphic );
332 : sal_Bool GetGraphic( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, Graphic& rGraphic );
333 :
334 : sal_Bool GetImageMap( SotFormatStringId nFormat, ImageMap& rIMap );
335 : sal_Bool GetImageMap( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ImageMap& rImap );
336 :
337 : sal_Bool GetTransferableObjectDescriptor( SotFormatStringId nFormat, TransferableObjectDescriptor& rDesc );
338 : sal_Bool GetTransferableObjectDescriptor( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, TransferableObjectDescriptor& rDesc );
339 :
340 : sal_Bool GetINetBookmark( SotFormatStringId nFormat, INetBookmark& rBmk );
341 : sal_Bool GetINetBookmark( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetBookmark& rBmk );
342 :
343 : sal_Bool GetINetImage( SotFormatStringId nFormat, INetImage& rINtImg );
344 : sal_Bool GetINetImage( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetImage& rINtImg );
345 :
346 : sal_Bool GetFileList( SotFormatStringId nFormat, FileList& rFileList );
347 : sal_Bool GetFileList( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, FileList& rFileList );
348 :
349 : sal_Bool GetSequence( SotFormatStringId nFormat, ::com::sun::star::uno::Sequence< sal_Int8 >& rSeq );
350 : sal_Bool GetSequence( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Sequence< sal_Int8 >& rSeq );
351 :
352 : sal_Bool GetSotStorageStream( SotFormatStringId nFormat, SotStorageStreamRef& rStreamRef );
353 : sal_Bool GetSotStorageStream( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, SotStorageStreamRef& rStreamRef );
354 :
355 : sal_Bool GetInputStream( SotFormatStringId nFormat, ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xStream );
356 : sal_Bool GetInputStream( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xStream );
357 :
358 : sal_Bool GetInterface( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rIf );
359 :
360 : public:
361 :
362 : static TransferableDataHelper CreateFromSystemClipboard( Window * pWindow );
363 : static TransferableDataHelper CreateFromSelection( Window * pWindow );
364 : static sal_Bool IsEqual( const ::com::sun::star::datatransfer::DataFlavor& rInternalFlavor,
365 : const ::com::sun::star::datatransfer::DataFlavor& rRequestFlavor,
366 : sal_Bool bCompareParameters = sal_False );
367 : };
368 :
369 : class SVT_DLLPUBLIC DragSourceHelper
370 : {
371 : private:
372 :
373 : // nested class to implement the XDragGestureListener interface
374 : class DragGestureListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDragGestureListener >
375 : {
376 : private:
377 :
378 : DragSourceHelper& mrParent;
379 :
380 : private:
381 :
382 : // XEventListener
383 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException);
384 :
385 : // XDragGestureListener
386 : virtual void SAL_CALL dragGestureRecognized( const ::com::sun::star::datatransfer::dnd::DragGestureEvent& rDGE ) throw( ::com::sun::star::uno::RuntimeException );
387 :
388 : public:
389 :
390 : DragGestureListener( DragSourceHelper& rDragSourceHelper );
391 : ~DragGestureListener();
392 : };
393 :
394 : friend class DragSourceHelper::DragGestureListener;
395 :
396 : private:
397 :
398 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureRecognizer > mxDragGestureRecognizer;
399 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureListener > mxDragGestureListener;
400 :
401 : // not available
402 : DragSourceHelper();
403 : DragSourceHelper& operator=( const DragSourceHelper& rDragSourceHelper );
404 : sal_Bool operator==( const DragSourceHelper& rDragSourceHelper ) const;
405 :
406 : public:
407 :
408 : // to be overridden by the application
409 : virtual void StartDrag( sal_Int8 nAction, const Point& rPosPixel );
410 :
411 : DragSourceHelper( Window* pWindow );
412 : virtual ~DragSourceHelper();
413 : };
414 :
415 : class SVT_DLLPUBLIC DropTargetHelper
416 : {
417 : private:
418 :
419 : // nested class to implement the XDropTargetListener interface
420 : class DropTargetListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDropTargetListener >
421 : {
422 : private:
423 :
424 : DropTargetHelper& mrParent;
425 : AcceptDropEvent* mpLastDragOverEvent;
426 :
427 : private:
428 :
429 : // XEventListener
430 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException);
431 :
432 : // XDropTargetListener
433 : virtual void SAL_CALL drop( const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& dtde ) throw(::com::sun::star::uno::RuntimeException);
434 : virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) throw(::com::sun::star::uno::RuntimeException);
435 : virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DropTargetEvent& dte ) throw(::com::sun::star::uno::RuntimeException);
436 : virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException);
437 : virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException);
438 :
439 : public:
440 :
441 : DropTargetListener( DropTargetHelper& rDropTargetHelper );
442 : ~DropTargetListener();
443 : };
444 :
445 : friend class DropTargetHelper::DropTargetListener;
446 :
447 : private:
448 :
449 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTarget > mxDropTarget;
450 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetListener > mxDropTargetListener;
451 : DataFlavorExVector* mpFormats;
452 :
453 : // not available
454 : DropTargetHelper();
455 : DropTargetHelper& operator=( const DropTargetHelper& rDropTargetHelper );
456 : sal_Bool operator==( const DropTargetHelper& rDropTargetHelper ) const;
457 :
458 : void ImplConstruct();
459 :
460 : // called by our own implementation of XDropTargetListener (DropTargetListener instance)
461 : void ImplBeginDrag( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rSupportedDataFlavors );
462 : void ImplEndDrag();
463 :
464 : public:
465 :
466 : // to be overridden by the application
467 : virtual sal_Int8 AcceptDrop( const AcceptDropEvent& rEvt );
468 : virtual sal_Int8 ExecuteDrop( const ExecuteDropEvent& rEvt );
469 :
470 : DropTargetHelper( Window* pWindow );
471 : DropTargetHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTarget >& rxDropTarget );
472 :
473 : virtual ~DropTargetHelper();
474 :
475 : // typically called by the application in ::AcceptDrop and ::ExecuteDrop and (see above)
476 : sal_Bool IsDropFormatSupported( SotFormatStringId nFormat );
477 : sal_Bool IsDropFormatSupported( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
478 :
479 0 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
480 :
481 : };
482 :
483 : struct TransferDataContainer_Impl;
484 :
485 : class SVT_DLLPUBLIC TransferDataContainer : public TransferableHelper
486 : {
487 : TransferDataContainer_Impl* pImpl;
488 :
489 : protected:
490 :
491 : virtual void AddSupportedFormats();
492 : virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
493 : virtual void DragFinished( sal_Int8 nDropAction );
494 :
495 : public:
496 :
497 : TransferDataContainer();
498 : ~TransferDataContainer();
499 :
500 : void CopyINetBookmark( const INetBookmark& rBkmk );
501 : void CopyINetImage( const INetImage& rINtImg );
502 : void CopyImageMap( const ImageMap& rImgMap );
503 : void CopyGraphic( const Graphic& rGrf );
504 : void CopyString( const String& rStr );
505 : void CopyString( sal_uInt16 nFmt, const String& rStr );
506 : void CopyAny( sal_uInt16 nFmt, const ::com::sun::star::uno::Any& rAny );
507 :
508 : void CopyByteString( sal_uLong nFormatId, const OString& rStr );
509 : void CopyAnyData( sal_uLong nFormatId, const sal_Char* pData, sal_uLong nLen );
510 :
511 : sal_Bool HasAnyData() const;
512 :
513 : using TransferableHelper::StartDrag;
514 : void StartDrag( Window* pWindow, sal_Int8 nDragSourceActions,
515 : const Link& rCallbck,
516 : sal_Int32 nDragPointer = DND_POINTER_NONE,
517 : sal_Int32 nDragImage = DND_IMAGE_NONE );
518 : };
519 :
520 : #endif
521 :
522 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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