summaryrefslogtreecommitdiff
path: root/dtrans/source/win32/dtobj/FetcList.cxx
blob: c0e0df266960e3696955dc4d7a81c8ac81c47dee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
/*************************************************************************
 *
 *  $RCSfile: FetcList.cxx,v $
 *
 *  $Revision: 1.10 $
 *
 *  last change: $Author: tra $ $Date: 2001-03-19 13:02:38 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------

#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif

#ifndef _FETCLIST_HXX_
#include "FetcList.hxx"
#endif

#ifndef _FETC_HXX_
#include "Fetc.hxx"
#endif

#ifndef _COM_SUN_STAR_DATATRANSFER_XMIMECONTENTTYPEFACTORY_HPP_
#include <com/sun/star/datatransfer/XMimeContentTypeFactory.hpp>
#endif

#ifndef _COM_SUN_STAR_DATATRANSFER_XMIMECONTENTTYPE_HPP_
#include <com/sun/star/datatransfer/XMimeContentType.hpp>
#endif

#ifndef _DATAFORMATTRANSLATOR_HXX_
#include "DataFmtTransl.hxx"
#endif

#ifndef _IMPLHELPER_HXX_
#include "..\misc\ImplHelper.hxx"
#endif

#include <algorithm>

#include "MimeAttrib.hxx"

//------------------------------------------------------------------------
// namespace directives
//------------------------------------------------------------------------

using namespace com::sun::star::uno;
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::lang;
using namespace com::sun::star::container;
using namespace rtl;
using namespace std;

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

LCID       CFormatRegistrar::m_TxtLocale           = 0;
sal_uInt32 CFormatRegistrar::m_TxtCodePage         = GetACP( );

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

CFormatEtcContainer::CFormatEtcContainer( )
{
    m_EnumIterator = m_FormatMap.begin( );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

void CFormatEtcContainer::addFormatEtc( const CFormatEtc& fetc )
{
    m_FormatMap.push_back( CFormatEtc( fetc ) );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

void SAL_CALL CFormatEtcContainer::removeFormatEtc( const CFormatEtc& fetc )
{
    FormatEtcMap_t::iterator iter =
        find( m_FormatMap.begin(), m_FormatMap.end(), fetc );

    if ( iter != m_FormatMap.end( ) )
        m_FormatMap.erase( iter );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

void SAL_CALL CFormatEtcContainer::removeAllFormatEtc( )
{
    m_FormatMap.clear( );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_Bool CFormatEtcContainer::hasFormatEtc( const CFormatEtc& fetc ) const
{
    FormatEtcMap_t::const_iterator iter =
        find( m_FormatMap.begin(), m_FormatMap.end(), fetc );

    return ( iter != m_FormatMap.end( ) );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_Bool CFormatEtcContainer::hasElements( ) const
{
    return ( m_FormatMap.size( ) > 0 );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

void CFormatEtcContainer::beginEnumFormatEtc( )
{
    m_EnumIterator = m_FormatMap.begin( );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_uInt32 SAL_CALL CFormatEtcContainer::nextFormatEtc( LPFORMATETC lpFetc,
                                                        sal_uInt32 aNum )
{
    OSL_ASSERT( lpFetc );
    OSL_ASSERT( !IsBadWritePtr( lpFetc, sizeof( FORMATETC ) * aNum ) );

    sal_uInt32 nFetched = 0;

    if ( m_EnumIterator != m_FormatMap.end( ) )
    {
        for ( sal_uInt32 i = 0; i < aNum; i++, nFetched++, lpFetc++, ++m_EnumIterator )
            CopyFormatEtc( lpFetc, *m_EnumIterator );
    }

    return nFetched;
}


//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_Bool SAL_CALL CFormatEtcContainer::skipFormatEtc( sal_uInt32 aNum )
{
    FormatEtcMap_t::const_iterator iter_end = m_FormatMap.end( );
    for ( sal_uInt32 i = 0;
          (i < aNum) && (m_EnumIterator != iter_end);
          i++, ++m_EnumIterator )
        ;/* intentionally left empty */

    return ( m_EnumIterator != m_FormatMap.end( ) );
}


//#########################################################################


//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

CFormatRegistrar::CFormatRegistrar( const Reference< XMultiServiceFactory >& ServiceManager,
                                    const CDataFormatTranslator& aDataFormatTranslator ) :
    m_DataFormatTranslator( aDataFormatTranslator ),
    m_bHasSynthesizedLocale( sal_False ),
    m_SrvMgr( ServiceManager )
{
}

// ----------------------------------------------------------------------------------------
// this function converts all DataFlavors of the given FlavorList into
// an appropriate FORMATETC structure, for some formats like unicodetext,
// text and text/html we will offer an accompany format e.g.:
//
// DataFlavor               | Registered Clipformat     |   Registered accompany clipformat
// -------------------------|---------------------------|-----------------------------------
// text/plain;charset=ansi  | CF_TEXT                   |   CF_UNICODETEXT
//                          |                           |   CF_LOCALE (if charset != GetACP()
//                          |                           |
// text/plain;charset=oem   | CF_OEMTEXT                |   CF_UNICODETEXT
//                          |                           |   CF_LOCALE (if charset != GetOEMCP()
//                          |                           |
// text/plain;charset=utf-16| CF_UNICODETEXT            |   CF_TEXT
//                          |                           |
// text/html                | HTML (Hypertext ...)      |   HTML Format
//                          |                           |
//
// if some tries to register different text formats with different charsets the last
// registered wins and the others are ignored
// ----------------------------------------------------------------------------------------

void SAL_CALL CFormatRegistrar::RegisterFormats(
    const Reference< XTransferable >& aXTransferable, CFormatEtcContainer& aFormatEtcContainer )
{
    Sequence< DataFlavor > aFlavorList = aXTransferable->getTransferDataFlavors( );
    sal_Int32  nFlavors                = aFlavorList.getLength( );
    sal_Bool   bSuccess                = sal_False;
    sal_Bool   bUnicodeRegistered      = sal_False;
    DataFlavor aFlavor;

    for( sal_Int32 i = 0; i < nFlavors; i++ )
    {
        aFlavor = aFlavorList[i];
        CFormatEtc fetc = dataFlavorToFormatEtc( aFlavor );

        if ( !needsToSynthesizeAccompanyFormats( fetc ) )
            aFormatEtcContainer.addFormatEtc( fetc );
        else
        {
            // if we haven't registered any text format up to now
            if ( isTextFormat( fetc.getClipformat() ) && !bUnicodeRegistered )
            {
                // if the transferable supports unicode text we ignore
                // any further text format the transferable offers
                // because we can create it from Unicode text in addition
                // we register CF_TEXT for non unicode clients
                if ( isUnicodeTextFormat( fetc.getClipformat() ) )
                {
                    aFormatEtcContainer.addFormatEtc( fetc ); // add CF_UNICODE
                    aFormatEtcContainer.addFormatEtc( getFormatEtcForClipformat( CF_TEXT ) ); // add CF_TEXT
                    bUnicodeRegistered = sal_True;
                }
                else if ( !hasUnicodeFlavor( aXTransferable ) )
                {
                    // we try to investigate the charset and make a valid
                    // windows codepage from this charset the default
                    // return value is the result of GetACP( )
                    OUString charset = getCharsetFromDataFlavor( aFlavor );
                    sal_uInt32 txtCP = getWinCPFromMimeCharset( charset );

                    // we try to get a Locale appropriate for this codepage
                    if ( findLocaleForTextCodePage( ) )
                    {
                        m_TxtCodePage = txtCP;

                        aFormatEtcContainer.addFormatEtc( getFormatEtcForClipformat( CF_UNICODETEXT ) );

                        if ( !IsOEMCP( m_TxtCodePage ) )
                            aFormatEtcContainer.addFormatEtc( getFormatEtcForClipformat( CF_TEXT ) );
                        else
                            aFormatEtcContainer.addFormatEtc( getFormatEtcForClipformat( CF_OEMTEXT ) );

                        aFormatEtcContainer.addFormatEtc( getFormatEtcForClipformat( CF_LOCALE ) );

                        // we save the flavor so it's easier when
                        // queried for it in XTDataObject::GetData(...)
                        m_RegisteredTextFlavor  = aFlavor;
                        m_bHasSynthesizedLocale = sal_True;
                    }
                }
            }
            else // Html (Hyper Text...)
            {
            }
        }
    }
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_Bool SAL_CALL CFormatRegistrar::hasSynthesizedLocale( ) const
{
    return m_bHasSynthesizedLocale;
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

LCID SAL_CALL CFormatRegistrar::getSynthesizedLocale( ) const
{
    return m_TxtLocale;
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_uInt32 SAL_CALL CFormatRegistrar::getRegisteredTextCodePage( ) const
{
    return m_TxtCodePage;
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
sal_Bool SAL_CALL CFormatRegistrar::isOemOrAnsiTextFormat( CLIPFORMAT cf ) const
{
    return ( (cf == CF_TEXT) || (cf == CF_OEMTEXT) );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
sal_Bool SAL_CALL CFormatRegistrar::isUnicodeTextFormat( CLIPFORMAT cf ) const
{
    return ( cf == CF_UNICODETEXT );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
sal_Bool SAL_CALL CFormatRegistrar::isTextFormat( CLIPFORMAT cf ) const
{
    return ( isOemOrAnsiTextFormat( cf ) ||
             isUnicodeTextFormat( cf ) );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

CFormatEtc SAL_CALL CFormatRegistrar::dataFlavorToFormatEtc( const DataFlavor& aFlavor ) const
{
    return m_DataFormatTranslator.getFormatEtcFromDataFlavor( aFlavor );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
sal_Bool SAL_CALL CFormatRegistrar::needsToSynthesizeAccompanyFormats( const CFormatEtc& aFormatEtc ) const
{
    return ( isOemOrAnsiTextFormat( aFormatEtc.getClipformat() ) ||
             isUnicodeTextFormat( aFormatEtc.getClipformat() ) );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

OUString SAL_CALL CFormatRegistrar::getCharsetFromDataFlavor( const DataFlavor& aFlavor )
{
    OUString charset;

    try
    {
        Reference< XMimeContentTypeFactory > xMimeFac(
            m_SrvMgr->createInstance( OUString::createFromAscii( \
                "com.sun.star.datatransfer.MimeContentTypeFactory" ) ), UNO_QUERY );

        if( xMimeFac.is( ) )
        {
            Reference< XMimeContentType > xMimeType( xMimeFac->createMimeContentType( aFlavor.MimeType ) );
            if ( xMimeType->hasParameter( TEXTPLAIN_PARAM_CHARSET ) )
                charset = xMimeType->getParameterValue( TEXTPLAIN_PARAM_CHARSET );
            else
                charset = getMimeCharsetFromWinCP( GetACP( ), PRE_WINDOWS_CODEPAGE );
        }
    }
    catch(NoSuchElementException&)
    {
        OSL_ENSURE( sal_False, "Unexpected" );
    }
    catch(...)
    {
        OSL_ENSURE( sal_False, "Invalid data flavor" );
    }

    return charset;
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
CFormatEtc SAL_CALL CFormatRegistrar::getFormatEtcForClipformat( CLIPFORMAT aClipformat ) const
{
    return m_DataFormatTranslator.getFormatEtcForClipformat( aClipformat );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_Bool SAL_CALL CFormatRegistrar::hasUnicodeFlavor( const Reference< XTransferable >& aXTransferable ) const
{
    CFormatEtc fetc( CF_UNICODETEXT );

    DataFlavor aFlavor =
        m_DataFormatTranslator.getDataFlavorFromFormatEtc( aXTransferable, fetc );

    return aXTransferable->isDataFlavorSupported( aFlavor );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
sal_Bool CFormatRegistrar::isEqualCurrentSystemCodePage( sal_uInt32 aCodePage ) const
{
    return ( (aCodePage == GetOEMCP()) || (aCodePage == GetACP()) );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_Bool SAL_CALL CFormatRegistrar::findLocaleForTextCodePage( )
{
    m_TxtLocale = 0;
    EnumSystemLocalesA( CFormatRegistrar::EnumLocalesProc, LCID_SUPPORTED );
    return ( IsValidLocale( m_TxtLocale, LCID_SUPPORTED ) );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

sal_Bool SAL_CALL CFormatRegistrar::isLocaleCodePage( LCID lcid, LCTYPE lctype, sal_uInt32 codepage )
{
    char  buff[6];
    sal_uInt32 localeCodePage;

    // get the ansi codepage of the current locale
    GetLocaleInfoA( lcid, lctype, buff, sizeof( buff ) );
    localeCodePage = atoi( buff );

    return ( localeCodePage == codepage );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
sal_Bool SAL_CALL CFormatRegistrar::isLocaleOemCodePage( LCID lcid, sal_uInt32 codepage )
{
    return isLocaleCodePage( lcid, LOCALE_IDEFAULTCODEPAGE, codepage );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

inline
sal_Bool SAL_CALL CFormatRegistrar::isLocaleAnsiCodePage( LCID lcid, sal_uInt32 codepage )
{
    return isLocaleCodePage( lcid, LOCALE_IDEFAULTANSICODEPAGE, codepage );
}

//------------------------------------------------------------------------
//
//------------------------------------------------------------------------

BOOL CALLBACK CFormatRegistrar::EnumLocalesProc( LPSTR lpLocaleStr )
{
    LCID lcid = atoi( lpLocaleStr );

    if ( isLocaleAnsiCodePage( lcid, CFormatRegistrar::m_TxtCodePage ) ||
         isLocaleOemCodePage( lcid, CFormatRegistrar::m_TxtCodePage ) )
    {
        CFormatRegistrar::m_TxtLocale = lcid;
        return sal_False; // stop enumerating
    }

    return sal_True;
}