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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 <tools/link.hxx>
27 : #include <tools/ref.hxx>
28 : #include <sot/formats.hxx>
29 : #include <cppuhelper/implbase1.hxx>
30 : #include <cppuhelper/implbase4.hxx>
31 : #include <com/sun/star/frame/XTerminateListener.hpp>
32 : #include <com/sun/star/lang/XUnoTunnel.hpp>
33 : #include <com/sun/star/datatransfer/XTransferable2.hpp>
34 : #include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
35 : #include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
36 : #include <com/sun/star/datatransfer/dnd/XDragGestureRecognizer.hpp>
37 : #include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
38 : #include <com/sun/star/datatransfer/dnd/DropTargetDragEvent.hpp>
39 : #include <com/sun/star/datatransfer/dnd/DropTargetDropEvent.hpp>
40 : #include <com/sun/star/datatransfer/dnd/XDragSourceListener.hpp>
41 : #include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
42 : #include <com/sun/star/embed/Aspects.hpp>
43 : #include <com/sun/star/io/XInputStream.hpp>
44 :
45 : class BitmapEx;
46 : class GDIMetaFile;
47 : class Graphic;
48 : class ImageMap;
49 : class INetBookmark;
50 : class INetImage;
51 : class FileList;
52 : class SotStorageStream;
53 : struct DataFlavorExVector;
54 : namespace vcl { class Window; }
55 :
56 : // Drag&Drop defines
57 :
58 : #define DND_ACTION_NONE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_NONE
59 : #define DND_ACTION_COPY ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_COPY
60 : #define DND_ACTION_MOVE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_MOVE
61 : #define DND_ACTION_COPYMOVE ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_COPY_OR_MOVE
62 : #define DND_ACTION_LINK ::com::sun::star::datatransfer::dnd::DNDConstants::ACTION_LINK
63 :
64 : #define DND_POINTER_NONE 0
65 : #define DND_IMAGE_NONE 0
66 :
67 3535 : struct TransferableObjectDescriptor
68 : {
69 : SvGlobalName maClassName;
70 : sal_uInt16 mnViewAspect;
71 : Point maDragStartPos;
72 : Size maSize;
73 : sal_uInt32 mnOle2Misc;
74 : OUString maTypeName;
75 : OUString maDisplayName;
76 : bool mbCanLink;
77 :
78 3348 : TransferableObjectDescriptor()
79 : : mnViewAspect(::com::sun::star::embed::Aspects::MSOLE_CONTENT)
80 : , mnOle2Misc(0)
81 3348 : , mbCanLink(false)
82 3348 : {}
83 :
84 : SVT_DLLPUBLIC friend SvStream& WriteTransferableObjectDescriptor( 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 : bool mbLeaving;
93 : bool mbDefault;
94 :
95 0 : AcceptDropEvent() :
96 : mnAction( DND_ACTION_NONE ),
97 : mbLeaving( false ),
98 0 : mbDefault( false ) {}
99 :
100 0 : AcceptDropEvent( sal_Int8 nAction,
101 : const Point& rPosPixel,
102 : const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& rDragEvent,
103 : bool bLeaving = false ) :
104 : mnAction( nAction ),
105 : maPosPixel( rPosPixel ),
106 : maDragEvent( rDragEvent ),
107 : mbLeaving( bLeaving ),
108 0 : mbDefault( 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 : bool mbDefault;
117 :
118 : ExecuteDropEvent() :
119 : mnAction( DND_ACTION_NONE ),
120 : mbDefault( 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( false ) {}
129 : };
130 :
131 : class SVT_DLLPUBLIC TransferableHelper : public ::cppu::WeakImplHelper4< ::com::sun::star::datatransfer::XTransferable2,
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, std::exception ) SAL_OVERRIDE;
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, std::exception ) SAL_OVERRIDE;
152 : virtual void SAL_CALL notifyTermination( const ::com::sun::star::lang::EventObject& aEvent ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
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, std::exception) SAL_OVERRIDE;
179 : virtual ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor > SAL_CALL getTransferDataFlavors() throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
180 : virtual sal_Bool SAL_CALL isDataFlavorSupported( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
181 :
182 : // Transferable2
183 : virtual css::uno::Any SAL_CALL getTransferData2(
184 : const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc )
185 : throw (css::datatransfer::UnsupportedFlavorException, css::io::IOException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
186 :
187 : // XEventListener
188 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
189 :
190 : // XDragSourceListener
191 : virtual void SAL_CALL dragDropEnd( const ::com::sun::star::datatransfer::dnd::DragSourceDropEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
192 : virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
193 : virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DragSourceEvent& dse ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
194 : virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
195 : virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DragSourceDragEvent& dsde ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
196 :
197 : private:
198 :
199 : // XClipboardOwner
200 : 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;
201 :
202 : protected:
203 : // derivees need to access lostOwnership in case hey override it
204 : // on windows, changing the access rights to a method gives unresolved externals, so we introduce
205 : // this impl-method here 'til the next incompatible update
206 0 : inline void implCallOwnLostOwnership(
207 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& _rxClipboard,
208 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTrans
209 : )
210 : {
211 0 : TransferableHelper::lostOwnership( _rxClipboard, _rxTrans );
212 0 : }
213 :
214 :
215 : private:
216 :
217 : SVT_DLLPRIVATE void ImplFlush();
218 :
219 : protected:
220 :
221 : virtual ~TransferableHelper();
222 :
223 : void AddFormat( SotClipboardFormatId nFormat );
224 : void AddFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
225 : void RemoveFormat( SotClipboardFormatId nFormat );
226 : void RemoveFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
227 : bool HasFormat( SotClipboardFormatId nFormat );
228 : inline bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) { return isDataFlavorSupported( rFlavor ); }
229 : void ClearFormats();
230 :
231 : bool SetAny( const ::com::sun::star::uno::Any& rAny, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
232 : bool SetString( const OUString& rString, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
233 : bool SetBitmapEx( const BitmapEx& rBitmap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
234 : bool SetGDIMetaFile( const GDIMetaFile& rMtf, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
235 : bool SetGraphic( const Graphic& rGraphic, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
236 : bool SetImageMap( const ImageMap& rIMap, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
237 : bool SetTransferableObjectDescriptor( const TransferableObjectDescriptor& rDesc, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
238 : bool SetINetBookmark( const INetBookmark& rBmk, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
239 : bool SetINetImage( const INetImage& rINtImg, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
240 : bool SetObject( void* pUserObject, SotClipboardFormatId nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
241 :
242 : protected:
243 :
244 : virtual void AddSupportedFormats() = 0;
245 : virtual bool GetData( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc ) = 0;
246 : virtual bool WriteObject( tools::SvRef<SotStorageStream>& rxOStm, void* pUserObject, SotClipboardFormatId nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
247 : virtual void DragFinished( sal_Int8 nDropAction );
248 : virtual void ObjectReleased();
249 :
250 : public:
251 :
252 : TransferableHelper();
253 :
254 : void PrepareOLE( const TransferableObjectDescriptor& rObjDesc );
255 :
256 : void CopyToClipboard( vcl::Window *pWindow ) const;
257 : void CopyToSelection( vcl::Window *pWindow ) const;
258 : void StartDrag( vcl::Window* pWindow, sal_Int8 nDragSourceActions,
259 : sal_Int32 nDragPointer = DND_POINTER_NONE,
260 : sal_Int32 nDragImage = DND_IMAGE_NONE );
261 :
262 : static void ClearSelection( vcl::Window *pWindow );
263 :
264 : static ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > GetSystemClipboard();
265 : static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();
266 :
267 : public:
268 :
269 : 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;
270 : };
271 :
272 : struct TransferableDataHelper_Impl;
273 :
274 : class SVT_DLLPUBLIC TransferableDataHelper
275 : {
276 : friend class DropTargetHelper;
277 :
278 : private:
279 :
280 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > mxTransfer;
281 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard > mxClipboard;
282 : DataFlavorExVector* mpFormats;
283 : TransferableObjectDescriptor* mpObjDesc;
284 : TransferableDataHelper_Impl* mpImpl;
285 :
286 : protected:
287 : void InitFormats();
288 :
289 : public:
290 :
291 : static void FillDataFlavorExVector( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rDataFlavorSeq,
292 : DataFlavorExVector& rDataFlavorExVector );
293 :
294 : TransferableDataHelper();
295 : TransferableDataHelper( const TransferableDataHelper& rDataHelper );
296 : TransferableDataHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& rxTransferable );
297 : ~TransferableDataHelper();
298 :
299 : TransferableDataHelper& operator=( const TransferableDataHelper& rDataHelper );
300 :
301 1330 : const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& GetTransferable() const { return mxTransfer; }
302 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > GetXTransferable() const;
303 :
304 : bool HasFormat( SotClipboardFormatId nFormat ) const;
305 : bool HasFormat( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ) const;
306 :
307 : sal_uInt32 GetFormatCount() const;
308 :
309 : SotClipboardFormatId GetFormat( sal_uInt32 nFormat ) const;
310 : ::com::sun::star::datatransfer::DataFlavor GetFormatDataFlavor( sal_uInt32 nFormat ) const;
311 :
312 9 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
313 :
314 : bool StartClipboardListening( );
315 : void StopClipboardListening( );
316 :
317 : void Rebind( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxNewData );
318 :
319 : public:
320 :
321 : css::uno::Any GetAny( SotClipboardFormatId nFormat, const OUString& rDestDoc ) const;
322 : css::uno::Any GetAny( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc ) const;
323 :
324 : bool GetString( SotClipboardFormatId nFormat, OUString& rStr );
325 : bool GetString( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, OUString& rStr );
326 :
327 : bool GetBitmapEx( SotClipboardFormatId nFormat, BitmapEx& rBmp );
328 : bool GetBitmapEx( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, BitmapEx& rBmp );
329 :
330 : /** Return as GDI metafile.
331 :
332 : @param nMaxAction Allows you to limit the amount of actions; defaults to 0 which means no limit.
333 :
334 : Whet you eg. Ctrl+a in Excel, you can get the entire sheet as
335 : metafile, with over 3 million (!) actions; which is just too large for
336 : any reasonable handling - and you need to set a limit.
337 : */
338 : bool GetGDIMetaFile( SotClipboardFormatId nFormat, GDIMetaFile& rMtf, size_t nMaxActions = 0 );
339 : bool GetGDIMetaFile( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, GDIMetaFile& rMtf );
340 :
341 : bool GetGraphic( SotClipboardFormatId nFormat, Graphic& rGraphic );
342 : bool GetGraphic( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, Graphic& rGraphic );
343 :
344 : bool GetImageMap( SotClipboardFormatId nFormat, ImageMap& rIMap );
345 : bool GetImageMap( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ImageMap& rImap );
346 :
347 : bool GetTransferableObjectDescriptor( SotClipboardFormatId nFormat, TransferableObjectDescriptor& rDesc );
348 : bool GetTransferableObjectDescriptor( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, TransferableObjectDescriptor& rDesc );
349 :
350 : bool GetINetBookmark( SotClipboardFormatId nFormat, INetBookmark& rBmk );
351 : bool GetINetBookmark( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetBookmark& rBmk );
352 :
353 : bool GetINetImage( SotClipboardFormatId nFormat, INetImage& rINtImg );
354 : bool GetINetImage( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, INetImage& rINtImg );
355 :
356 : bool GetFileList( SotClipboardFormatId nFormat, FileList& rFileList );
357 : bool GetFileList( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, FileList& rFileList );
358 :
359 : css::uno::Sequence<sal_Int8> GetSequence( SotClipboardFormatId nFormat, const OUString& rDestDoc );
360 : css::uno::Sequence<sal_Int8> GetSequence( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc );
361 :
362 : bool GetSotStorageStream( SotClipboardFormatId nFormat, tools::SvRef<SotStorageStream>& rStreamRef );
363 : bool GetSotStorageStream( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, tools::SvRef<SotStorageStream>& rStreamRef );
364 :
365 : css::uno::Reference<css::io::XInputStream> GetInputStream( SotClipboardFormatId nFormat, const OUString& rDestDoc );
366 : css::uno::Reference<css::io::XInputStream> GetInputStream( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc );
367 :
368 : bool GetInterface( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rIf );
369 :
370 : public:
371 :
372 : static TransferableDataHelper CreateFromSystemClipboard( vcl::Window * pWindow );
373 : static TransferableDataHelper CreateFromSelection( vcl::Window * pWindow );
374 : static bool IsEqual( const ::com::sun::star::datatransfer::DataFlavor& rInternalFlavor,
375 : const ::com::sun::star::datatransfer::DataFlavor& rRequestFlavor,
376 : bool bCompareParameters = false );
377 : };
378 :
379 : class SVT_DLLPUBLIC DragSourceHelper
380 : {
381 : private:
382 :
383 : // nested class to implement the XDragGestureListener interface
384 : class DragGestureListener : public ::cppu::WeakImplHelper1< ::com::sun::star::datatransfer::dnd::XDragGestureListener >
385 : {
386 : private:
387 :
388 : DragSourceHelper& mrParent;
389 :
390 : private:
391 :
392 : // XEventListener
393 : virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
394 :
395 : // XDragGestureListener
396 : virtual void SAL_CALL dragGestureRecognized( const ::com::sun::star::datatransfer::dnd::DragGestureEvent& rDGE ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
397 :
398 : public:
399 :
400 : DragGestureListener( DragSourceHelper& rDragSourceHelper );
401 : virtual ~DragGestureListener();
402 : };
403 :
404 : friend class DragSourceHelper::DragGestureListener;
405 :
406 : private:
407 :
408 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureRecognizer > mxDragGestureRecognizer;
409 : ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragGestureListener > mxDragGestureListener;
410 :
411 : DragSourceHelper& operator=( const DragSourceHelper& rDragSourceHelper ) SAL_DELETED_FUNCTION;
412 : bool operator==( const DragSourceHelper& rDragSourceHelper ) const SAL_DELETED_FUNCTION;
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 : DropTargetHelper() SAL_DELETED_FUNCTION;
462 : DropTargetHelper& operator=( const DropTargetHelper& rDropTargetHelper ) SAL_DELETED_FUNCTION;
463 : bool operator==( const DropTargetHelper& rDropTargetHelper ) const SAL_DELETED_FUNCTION;
464 :
465 : void ImplConstruct();
466 :
467 : // called by our own implementation of XDropTargetListener (DropTargetListener instance)
468 : void ImplBeginDrag( const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& rSupportedDataFlavors );
469 : void ImplEndDrag();
470 :
471 : public:
472 :
473 : // to be overridden by the application
474 : virtual sal_Int8 AcceptDrop( const AcceptDropEvent& rEvt );
475 : virtual sal_Int8 ExecuteDrop( const ExecuteDropEvent& rEvt );
476 :
477 : DropTargetHelper( vcl::Window* pWindow );
478 : DropTargetHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTarget >& rxDropTarget );
479 :
480 : virtual ~DropTargetHelper();
481 :
482 : // typically called by the application in ::AcceptDrop and ::ExecuteDrop and (see above)
483 : bool IsDropFormatSupported( SotClipboardFormatId nFormat );
484 : bool IsDropFormatSupported( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
485 :
486 0 : DataFlavorExVector& GetDataFlavorExVector() const {return *mpFormats; }
487 :
488 : };
489 :
490 : struct TransferDataContainer_Impl;
491 :
492 : class SVT_DLLPUBLIC TransferDataContainer : public TransferableHelper
493 : {
494 : TransferDataContainer_Impl* pImpl;
495 :
496 : protected:
497 :
498 : virtual void AddSupportedFormats() SAL_OVERRIDE;
499 : virtual bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc ) SAL_OVERRIDE;
500 : virtual void DragFinished( sal_Int8 nDropAction ) SAL_OVERRIDE;
501 :
502 : public:
503 :
504 : TransferDataContainer();
505 : virtual ~TransferDataContainer();
506 :
507 : void CopyINetBookmark( const INetBookmark& rBkmk );
508 : void CopyINetImage( const INetImage& rINtImg );
509 : void CopyImageMap( const ImageMap& rImgMap );
510 : void CopyGraphic( const Graphic& rGrf );
511 : void CopyString( const OUString& rStr );
512 : void CopyString( SotClipboardFormatId nFmt, const OUString& rStr );
513 : void CopyAny( SotClipboardFormatId nFmt, const ::com::sun::star::uno::Any& rAny );
514 :
515 : void CopyByteString( SotClipboardFormatId nFormatId, const OString& rStr );
516 : void CopyAnyData( SotClipboardFormatId nFormatId, const sal_Char* pData, sal_uLong nLen );
517 :
518 : bool HasAnyData() const;
519 :
520 : using TransferableHelper::StartDrag;
521 : void StartDrag( vcl::Window* pWindow, sal_Int8 nDragSourceActions,
522 : const Link<>& rCallbck,
523 : sal_Int32 nDragPointer = DND_POINTER_NONE,
524 : sal_Int32 nDragImage = DND_IMAGE_NONE );
525 : };
526 :
527 : #endif
528 :
529 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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