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
/* -*- 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 <embeddoc.hxx>

#include <com/sun/star/uno/Any.h>
#include <com/sun/star/uno/Exception.hpp>
#include <com/sun/star/datatransfer/XTransferable.hpp>


#include <osl/thread.h>

using namespace ::com::sun::star;


// EmbedDocument_Impl


sal_uInt64 EmbedDocument_Impl::getMetaFileHandle_Impl( bool isEnhMeta )
{
    sal_uInt64 pResult = NULL;

    uno::Reference< datatransfer::XTransferable > xTransferable( m_pDocHolder->GetDocument(), uno::UNO_QUERY );
    if ( xTransferable.is() )
    {
        datatransfer::DataFlavor aFlavor;

        if ( isEnhMeta )
        {
            aFlavor.MimeType = "application/x-openoffice-emf;windows_formatname=\"Image EMF\"";
            aFlavor.HumanPresentableName = "Enhanced Windows MetaFile";
        }
        else
        {
            aFlavor.MimeType = "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"";
            aFlavor.HumanPresentableName = "Windows GDIMetaFile";
        }

        aFlavor.DataType = cppu::UnoType<sal_uInt64>::get();

        uno::Any aAny = xTransferable->getTransferData( aFlavor );<--- Variable 'aAny' is assigned a value that is never used.
        aAny >>= pResult;<--- Variable 'aAny' is assigned a value that is never used.
    }

    return pResult;
}


// IDataObject

STDMETHODIMP EmbedDocument_Impl::GetData( FORMATETC * pFormatetc, STGMEDIUM * pMedium )
{
    if ( !pFormatetc )
        return DV_E_FORMATETC;

    if ( !pMedium )
        return STG_E_MEDIUMFULL;

    if ( pFormatetc->dwAspect == DVASPECT_THUMBNAIL
      || pFormatetc->dwAspect == DVASPECT_ICON
      || pFormatetc->dwAspect == DVASPECT_DOCPRINT )
        return DV_E_DVASPECT;

    if ( pFormatetc->cfFormat == CF_ENHMETAFILE )
    {
        if ( !( pFormatetc->tymed & TYMED_ENHMF ) )
            return DV_E_TYMED;

        HENHMETAFILE hMeta = reinterpret_cast<HENHMETAFILE>( getMetaFileHandle_Impl( true ) );

        if ( hMeta )
        {
            pMedium->tymed = TYMED_ENHMF;
            pMedium->hEnhMetaFile = hMeta;
            pMedium->pUnkForRelease = nullptr;

            return S_OK;
        }

        return STG_E_MEDIUMFULL;
    }
    else if ( pFormatetc->cfFormat == CF_METAFILEPICT )
    {
          if ( !( pFormatetc->tymed & TYMED_MFPICT ) )
            return DV_E_TYMED;

        HGLOBAL hMeta = reinterpret_cast<HGLOBAL>( getMetaFileHandle_Impl( false ) );

        if ( hMeta )
        {
            pMedium->tymed = TYMED_MFPICT;
            pMedium->hMetaFilePict = hMeta;
            pMedium->pUnkForRelease = nullptr;

            return S_OK;
        }

        return STG_E_MEDIUMFULL;
    }
    else
    {
        CLIPFORMAT cf_embSource = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embed Source" ));
        CLIPFORMAT cf_embObj = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embedded Object" ));
        if ( pFormatetc->cfFormat == cf_embSource || pFormatetc->cfFormat == cf_embObj )
        {
            if ( !( pFormatetc->tymed & TYMED_ISTORAGE ) )
                return DV_E_TYMED;

            CComPtr< IStorage > pNewStg;
            HRESULT hr = StgCreateDocfile( nullptr, STGM_CREATE | STGM_READWRITE | STGM_DELETEONRELEASE, 0, &pNewStg );
            if ( FAILED( hr ) || !pNewStg ) return STG_E_MEDIUMFULL;

            hr = SaveTo_Impl( pNewStg );
            if ( FAILED( hr ) ) return STG_E_MEDIUMFULL;

            pMedium->tymed = TYMED_ISTORAGE;
            pMedium->pstg = pNewStg;
            pMedium->pstg->AddRef();
            pMedium->pUnkForRelease = static_cast<IUnknown*>(pNewStg);

            return S_OK;
        }
    }

    return DV_E_FORMATETC;
}

STDMETHODIMP EmbedDocument_Impl::GetDataHere( FORMATETC * pFormatetc, STGMEDIUM * pMedium )
{
    if ( !pFormatetc )
        return DV_E_FORMATETC;

    if ( !pMedium )
        return STG_E_MEDIUMFULL;

    if ( pFormatetc->dwAspect == DVASPECT_THUMBNAIL
      || pFormatetc->dwAspect == DVASPECT_ICON
      || pFormatetc->dwAspect == DVASPECT_DOCPRINT )
        return DV_E_DVASPECT;

    CLIPFORMAT cf_embSource = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embed Source" ));
    CLIPFORMAT cf_embObj = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embedded Object" ));

    if ( pFormatetc->cfFormat == cf_embSource || pFormatetc->cfFormat == cf_embObj )
    {
        if ( !( pFormatetc->tymed & TYMED_ISTORAGE ) )
            return DV_E_TYMED;

        if ( !pMedium->pstg ) return STG_E_MEDIUMFULL;

        HRESULT hr = SaveTo_Impl( pMedium->pstg );
        if ( FAILED( hr ) ) return STG_E_MEDIUMFULL;

        pMedium->tymed = TYMED_ISTORAGE;
        pMedium->pUnkForRelease = nullptr;

        return S_OK;
    }

    return DV_E_FORMATETC;
}

STDMETHODIMP EmbedDocument_Impl::QueryGetData( FORMATETC * pFormatetc )
{
    if ( pFormatetc )
    {
        if ( pFormatetc->dwAspect == DVASPECT_THUMBNAIL
          || pFormatetc->dwAspect == DVASPECT_ICON
          || pFormatetc->dwAspect == DVASPECT_DOCPRINT )
            return DV_E_DVASPECT;

        if ( pFormatetc->cfFormat == CF_ENHMETAFILE )
        {
            if ( !( pFormatetc->tymed & TYMED_ENHMF ) )
                return DV_E_TYMED;

            return S_OK;
        }
        else if ( pFormatetc->cfFormat == CF_METAFILEPICT )
        {
              if ( !( pFormatetc->tymed & TYMED_MFPICT ) )
                return DV_E_TYMED;

            return S_OK;
        }
        else
        {
            CLIPFORMAT cf_embSource = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embed Source" ));
            CLIPFORMAT cf_embObj = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embedded Object" ));
            if ( pFormatetc->cfFormat == cf_embSource || pFormatetc->cfFormat == cf_embObj )
            {
                if ( !( pFormatetc->tymed & TYMED_ISTORAGE ) )
                    return DV_E_TYMED;

                return S_OK;
            }
        }
    }

    return DV_E_FORMATETC;

}

STDMETHODIMP EmbedDocument_Impl::GetCanonicalFormatEtc( FORMATETC * pFormatetcIn, FORMATETC * pFormatetcOut )
{
    if ( !pFormatetcIn || !pFormatetcOut )
        return DV_E_FORMATETC;

    pFormatetcOut->ptd = nullptr;
    pFormatetcOut->cfFormat = pFormatetcIn->cfFormat;
    pFormatetcOut->dwAspect = DVASPECT_CONTENT;

    if ( pFormatetcIn->cfFormat == CF_ENHMETAFILE )
    {
        pFormatetcOut->tymed = TYMED_ENHMF;
        return S_OK;
    }
    else if ( pFormatetcIn->cfFormat == CF_METAFILEPICT )
    {
          pFormatetcOut->tymed = TYMED_MFPICT;
        return S_OK;
    }
    else
    {
        CLIPFORMAT cf_embSource = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embed Source" ));
        CLIPFORMAT cf_embObj = static_cast<CLIPFORMAT>(RegisterClipboardFormatW( L"Embedded Object" ));
        if ( pFormatetcIn->cfFormat == cf_embSource || pFormatetcIn->cfFormat == cf_embObj )
        {
            pFormatetcOut->tymed = TYMED_ISTORAGE;
            return S_OK;
        }
    }

    return DV_E_FORMATETC;
}

STDMETHODIMP EmbedDocument_Impl::SetData( FORMATETC * /*pFormatetc*/, STGMEDIUM * /*pMedium*/, BOOL /*fRelease*/ )
{
    return E_NOTIMPL;
}

STDMETHODIMP EmbedDocument_Impl::EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC ** /*ppFormatetc*/ )
{
    if ( dwDirection == DATADIR_GET )
        return OLE_S_USEREG;

    return E_NOTIMPL;
}

STDMETHODIMP EmbedDocument_Impl::DAdvise( FORMATETC * pFormatetc, DWORD advf, IAdviseSink * pAdvSink, DWORD * pdwConnection )
{
    if ( !m_pDAdviseHolder )
        if ( !SUCCEEDED( CreateDataAdviseHolder( &m_pDAdviseHolder ) ) || !m_pDAdviseHolder )
            return E_OUTOFMEMORY;

    return m_pDAdviseHolder->Advise( static_cast<IDataObject*>(this), pFormatetc, advf, pAdvSink, pdwConnection );
}

STDMETHODIMP EmbedDocument_Impl::DUnadvise( DWORD dwConnection )
{
    if ( !m_pDAdviseHolder )
        if ( !SUCCEEDED( CreateDataAdviseHolder( &m_pDAdviseHolder ) ) || !m_pDAdviseHolder )
            return E_OUTOFMEMORY;

    return m_pDAdviseHolder->Unadvise( dwConnection );
}

STDMETHODIMP EmbedDocument_Impl::EnumDAdvise( IEnumSTATDATA ** ppenumAdvise )
{
    if ( !m_pDAdviseHolder )
        if ( !SUCCEEDED( CreateDataAdviseHolder( &m_pDAdviseHolder ) ) || !m_pDAdviseHolder )
            return E_OUTOFMEMORY;

    return m_pDAdviseHolder->EnumAdvise( ppenumAdvise );
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */