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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "DataFmtTransl.hxx"
#include <rtl/string.hxx>
#include <osl/diagnose.h>
#include <rtl/tencinfo.h>
#include "../misc/ImplHelper.hxx"
#include <WinClip.hxx>
#include "MimeAttrib.hxx"
#include "DTransHelper.hxx"
#include <rtl/string.h>
#include <o3tl/char16_t2wchar_t.hxx>
#include "Fetc.hxx"
#include <com/sun/star/datatransfer/DataFormatTranslator.hpp>
#if !defined WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <shlobj.h>
using namespace std;
using namespace com::sun::star::uno;
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::lang;
const Type CPPUTYPE_SALINT32 = cppu::UnoType<sal_Int32>::get();
const Type CPPUTYPE_SALINT8 = cppu::UnoType<sal_Int8>::get();
const Type CPPUTYPE_OUSTRING = cppu::UnoType<OUString>::get();
const Type CPPUTYPE_SEQSALINT8 = cppu::UnoType<Sequence< sal_Int8>>::get();
const sal_Int32 MAX_CLIPFORMAT_NAME = 256;
const OUString TEXT_PLAIN_CHARSET ("text/plain;charset=");
const OUString HPNAME_OEM_ANSI_TEXT ("OEM/ANSI Text");
const OUString HTML_FORMAT_NAME_WINDOWS ("HTML Format");
const OUString HTML_FORMAT_NAME_SOFFICE ("HTML (HyperText Markup Language)");
CDataFormatTranslator::CDataFormatTranslator( const Reference< XComponentContext >& rxContext )
{
m_XDataFormatTranslator = DataFormatTranslator::create( rxContext );
}
CFormatEtc CDataFormatTranslator::getFormatEtcFromDataFlavor( const DataFlavor& aDataFlavor ) const
{
sal_Int32 cf = CF_INVALID;
try
{
if( m_XDataFormatTranslator.is( ) )
{
Any aFormat = m_XDataFormatTranslator->getSystemDataTypeFromDataFlavor( aDataFlavor );
if ( aFormat.hasValue( ) )
{
if ( aFormat.getValueType( ) == CPPUTYPE_SALINT32 )
{
aFormat >>= cf;
OSL_ENSURE( CF_INVALID != cf, "Invalid Clipboard format delivered" );
}
else if ( aFormat.getValueType( ) == CPPUTYPE_OUSTRING )
{
OUString aClipFmtName;
aFormat >>= aClipFmtName;
OSL_ASSERT( aClipFmtName.getLength( ) );
cf = RegisterClipboardFormatW( o3tl::toW(aClipFmtName.getStr( )) );
OSL_ENSURE( CF_INVALID != cf, "RegisterClipboardFormat failed" );
}
else
OSL_FAIL( "Wrong Any-Type detected" );
}
}
}
catch( ... )
{
OSL_FAIL( "Unexpected error" );
}
return sal::static_int_cast<CFormatEtc>(getFormatEtcForClipformat( sal::static_int_cast<CLIPFORMAT>(cf) ));
}
DataFlavor CDataFormatTranslator::getDataFlavorFromFormatEtc( const FORMATETC& aFormatEtc, LCID lcid ) const
{
DataFlavor aFlavor;
try
{
CLIPFORMAT aClipformat = aFormatEtc.cfFormat;
Any aAny;
aAny <<= static_cast< sal_Int32 >( aClipformat );
if ( isOemOrAnsiTextFormat( aClipformat ) )
{
aFlavor.MimeType = TEXT_PLAIN_CHARSET;
aFlavor.MimeType += getTextCharsetFromLCID( lcid, aClipformat );
aFlavor.HumanPresentableName = HPNAME_OEM_ANSI_TEXT;
aFlavor.DataType = CPPUTYPE_SEQSALINT8;
}
else if ( CF_INVALID != aClipformat )
{
if ( m_XDataFormatTranslator.is( ) )
{
aFlavor = m_XDataFormatTranslator->getDataFlavorFromSystemDataType( aAny );
if ( !aFlavor.MimeType.getLength( ) )
{
// lookup of DataFlavor from clipboard format id
// failed, so we try to resolve via clipboard
// format name
OUString clipFormatName = getClipboardFormatName( aClipformat );
// if we could not get a clipboard format name an
// error must have occurred or it is a standard
// clipboard format that we don't translate, e.g.
// CF_BITMAP (the office only uses CF_DIB)
if ( clipFormatName.getLength( ) )
{
aAny <<= clipFormatName;
aFlavor = m_XDataFormatTranslator->getDataFlavorFromSystemDataType( aAny );
}
}
}
}
}
catch( ... )
{
OSL_FAIL( "Unexpected error" );
}
return aFlavor;
}
CFormatEtc CDataFormatTranslator::getFormatEtcForClipformatName( const OUString& aClipFmtName )
{
// check parameter
if ( !aClipFmtName.getLength( ) )
return CFormatEtc( CF_INVALID );
CLIPFORMAT cf = sal::static_int_cast<CLIPFORMAT>(RegisterClipboardFormatW( o3tl::toW(aClipFmtName.getStr( )) ));
return getFormatEtcForClipformat( cf );
}
OUString CDataFormatTranslator::getClipboardFormatName( CLIPFORMAT aClipformat )
{
OSL_PRECOND( CF_INVALID != aClipformat, "Invalid clipboard format" );
sal_Unicode wBuff[ MAX_CLIPFORMAT_NAME + 1 ]; // Null terminator isn't counted, apparently.
sal_Int32 nLen = GetClipboardFormatNameW( aClipformat, o3tl::toW(wBuff), MAX_CLIPFORMAT_NAME );
return OUString( wBuff, nLen );
}
CFormatEtc CDataFormatTranslator::getFormatEtcForClipformat( CLIPFORMAT cf )
{
CFormatEtc fetc( cf, TYMED_NULL, nullptr, DVASPECT_CONTENT );
switch( cf )
{
case CF_METAFILEPICT:
fetc.setTymed( TYMED_MFPICT );
break;
case CF_ENHMETAFILE:
fetc.setTymed( TYMED_ENHMF );
break;
default:
fetc.setTymed( TYMED_HGLOBAL /*| TYMED_ISTREAM*/ );
}
/*
hack: in order to paste urls copied by Internet Explorer
with "copy link" we set the lindex member to 0
but if we really want to support CFSTR_FILECONTENT and
the accompany format CFSTR_FILEDESCRIPTOR (FileGroupDescriptor)
the client of the clipboard service has to provide a id
of which FileContents it wants to paste
see MSDN: "Handling Shell Data Transfer Scenarios"
*/
if ( cf == RegisterClipboardFormat( CFSTR_FILECONTENTS ) )
fetc.setLindex( 0 );
return fetc;
}
bool CDataFormatTranslator::isOemOrAnsiTextFormat( CLIPFORMAT cf )
{
return ( (cf == CF_TEXT) || (cf == CF_OEMTEXT) );
}
bool CDataFormatTranslator::isUnicodeTextFormat( CLIPFORMAT cf )
{
return ( cf == CF_UNICODETEXT );
}
bool CDataFormatTranslator::isTextFormat( CLIPFORMAT cf )
{
return ( isOemOrAnsiTextFormat( cf ) || isUnicodeTextFormat( cf ) );
}
bool CDataFormatTranslator::isHTMLFormat( CLIPFORMAT cf )
{
OUString clipFormatName = getClipboardFormatName( cf );
return ( clipFormatName == HTML_FORMAT_NAME_WINDOWS );
}
bool CDataFormatTranslator::isTextHtmlFormat( CLIPFORMAT cf )
{
OUString clipFormatName = getClipboardFormatName( cf );
return clipFormatName.equalsIgnoreAsciiCase( HTML_FORMAT_NAME_SOFFICE );
}
OUString CDataFormatTranslator::getTextCharsetFromLCID( LCID lcid, CLIPFORMAT aClipformat )
{
OSL_ASSERT( isOemOrAnsiTextFormat( aClipformat ) );
OUString charset;
if ( CF_TEXT == aClipformat )
{
charset = getMimeCharsetFromLocaleId(
lcid,
LOCALE_IDEFAULTANSICODEPAGE,
PRE_WINDOWS_CODEPAGE );
}
else if ( CF_OEMTEXT == aClipformat )
{
charset = getMimeCharsetFromLocaleId(
lcid,
LOCALE_IDEFAULTCODEPAGE,
PRE_OEM_CODEPAGE );
}
else // CF_UNICODE
OSL_ASSERT( false );
return charset;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
