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| 1 /* | |
| 2 * Copyright (C) 2007 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "WCDataObject.h" | |
| 28 | |
| 29 #include "ClipboardUtilitiesWin.h" | |
| 30 #include "DragData.h" | |
| 31 #include <wtf/text/WTFString.h> | |
| 32 | |
| 33 namespace WebCore { | |
| 34 | |
| 35 class WCEnumFormatEtc : public IEnumFORMATETC | |
| 36 { | |
| 37 public: | |
| 38 WCEnumFormatEtc(const Vector<FORMATETC>& formats); | |
| 39 WCEnumFormatEtc(const Vector<FORMATETC*>& formats); | |
| 40 | |
| 41 //IUnknown members | |
| 42 STDMETHOD(QueryInterface)(REFIID, void**); | |
| 43 STDMETHOD_(ULONG, AddRef)(void); | |
| 44 STDMETHOD_(ULONG, Release)(void); | |
| 45 | |
| 46 //IEnumFORMATETC members | |
| 47 STDMETHOD(Next)(ULONG, LPFORMATETC, ULONG*); | |
| 48 STDMETHOD(Skip)(ULONG); | |
| 49 STDMETHOD(Reset)(void); | |
| 50 STDMETHOD(Clone)(IEnumFORMATETC**); | |
| 51 | |
| 52 private: | |
| 53 long m_ref; | |
| 54 Vector<FORMATETC> m_formats; | |
| 55 size_t m_current; | |
| 56 }; | |
| 57 | |
| 58 | |
| 59 | |
| 60 WCEnumFormatEtc::WCEnumFormatEtc(const Vector<FORMATETC>& formats) | |
| 61 : m_ref(1) | |
| 62 , m_current(0) | |
| 63 { | |
| 64 for(size_t i = 0; i < formats.size(); ++i) | |
| 65 m_formats.append(formats[i]); | |
| 66 } | |
| 67 | |
| 68 WCEnumFormatEtc::WCEnumFormatEtc(const Vector<FORMATETC*>& formats) | |
| 69 : m_ref(1) | |
| 70 , m_current(0) | |
| 71 { | |
| 72 for(size_t i = 0; i < formats.size(); ++i) | |
| 73 m_formats.append(*formats[i]); | |
| 74 } | |
| 75 | |
| 76 STDMETHODIMP WCEnumFormatEtc::QueryInterface(REFIID riid, void** ppvObject) | |
| 77 { | |
| 78 *ppvObject = 0; | |
| 79 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IEnumFORMATETC))
{ | |
| 80 *ppvObject = this; | |
| 81 AddRef(); | |
| 82 return S_OK; | |
| 83 } | |
| 84 | |
| 85 return E_NOINTERFACE; | |
| 86 } | |
| 87 | |
| 88 STDMETHODIMP_(ULONG) WCEnumFormatEtc::AddRef(void) | |
| 89 { | |
| 90 return InterlockedIncrement(&m_ref); | |
| 91 } | |
| 92 | |
| 93 STDMETHODIMP_(ULONG) WCEnumFormatEtc::Release(void) | |
| 94 { | |
| 95 long c = InterlockedDecrement(&m_ref); | |
| 96 if (c == 0) | |
| 97 delete this; | |
| 98 return c; | |
| 99 } | |
| 100 | |
| 101 STDMETHODIMP WCEnumFormatEtc::Next(ULONG celt, LPFORMATETC lpFormatEtc, ULONG* p
celtFetched) | |
| 102 { | |
| 103 if(pceltFetched != 0) | |
| 104 *pceltFetched=0; | |
| 105 | |
| 106 ULONG cReturn = celt; | |
| 107 | |
| 108 if(celt <= 0 || lpFormatEtc == 0 || m_current >= m_formats.size()) | |
| 109 return S_FALSE; | |
| 110 | |
| 111 if(pceltFetched == 0 && celt != 1) // pceltFetched can be 0 only for 1 item
request | |
| 112 return S_FALSE; | |
| 113 | |
| 114 while (m_current < m_formats.size() && cReturn > 0) { | |
| 115 *lpFormatEtc++ = m_formats[m_current++]; | |
| 116 --cReturn; | |
| 117 } | |
| 118 if (pceltFetched != 0) | |
| 119 *pceltFetched = celt - cReturn; | |
| 120 | |
| 121 return (cReturn == 0) ? S_OK : S_FALSE; | |
| 122 } | |
| 123 | |
| 124 STDMETHODIMP WCEnumFormatEtc::Skip(ULONG celt) | |
| 125 { | |
| 126 if((m_current + int(celt)) >= m_formats.size()) | |
| 127 return S_FALSE; | |
| 128 m_current += celt; | |
| 129 return S_OK; | |
| 130 } | |
| 131 | |
| 132 STDMETHODIMP WCEnumFormatEtc::Reset(void) | |
| 133 { | |
| 134 m_current = 0; | |
| 135 return S_OK; | |
| 136 } | |
| 137 | |
| 138 STDMETHODIMP WCEnumFormatEtc::Clone(IEnumFORMATETC** ppCloneEnumFormatEtc) | |
| 139 { | |
| 140 if(!ppCloneEnumFormatEtc) | |
| 141 return E_POINTER; | |
| 142 | |
| 143 WCEnumFormatEtc *newEnum = new WCEnumFormatEtc(m_formats); | |
| 144 if(!newEnum) | |
| 145 return E_OUTOFMEMORY; | |
| 146 | |
| 147 newEnum->AddRef(); | |
| 148 newEnum->m_current = m_current; | |
| 149 *ppCloneEnumFormatEtc = newEnum; | |
| 150 return S_OK; | |
| 151 } | |
| 152 | |
| 153 | |
| 154 | |
| 155 ////////////////////////////////////////////////////////////////////////// | |
| 156 | |
| 157 HRESULT WCDataObject::createInstance(WCDataObject** result) | |
| 158 { | |
| 159 if (!result) | |
| 160 return E_POINTER; | |
| 161 *result = new WCDataObject(); | |
| 162 return S_OK; | |
| 163 } | |
| 164 | |
| 165 HRESULT WCDataObject::createInstance(WCDataObject** result, const DragDataMap& d
ataMap) | |
| 166 { | |
| 167 if (!result) | |
| 168 return E_POINTER; | |
| 169 *result = new WCDataObject; | |
| 170 | |
| 171 for (DragDataMap::const_iterator it = dataMap.begin(); it != dataMap.end();
++it) | |
| 172 setClipboardData(*result, it->key, it->value); | |
| 173 return S_OK; | |
| 174 } | |
| 175 | |
| 176 WCDataObject::WCDataObject() | |
| 177 : m_ref(1) | |
| 178 { | |
| 179 } | |
| 180 | |
| 181 WCDataObject::~WCDataObject() | |
| 182 { | |
| 183 for(size_t i = 0; i < m_medium.size(); ++i) { | |
| 184 ReleaseStgMedium(m_medium[i]); | |
| 185 delete m_medium[i]; | |
| 186 } | |
| 187 WTF::deleteAllValues(m_formats); | |
| 188 } | |
| 189 | |
| 190 STDMETHODIMP WCDataObject::QueryInterface(REFIID riid,void** ppvObject) | |
| 191 { | |
| 192 *ppvObject = 0; | |
| 193 if (IsEqualIID(riid, IID_IUnknown) || | |
| 194 IsEqualIID(riid, IID_IDataObject)) { | |
| 195 *ppvObject=this; | |
| 196 } | |
| 197 if (*ppvObject) { | |
| 198 AddRef(); | |
| 199 return S_OK; | |
| 200 } | |
| 201 return E_NOINTERFACE; | |
| 202 } | |
| 203 | |
| 204 STDMETHODIMP_(ULONG) WCDataObject::AddRef( void) | |
| 205 { | |
| 206 return InterlockedIncrement(&m_ref); | |
| 207 } | |
| 208 | |
| 209 STDMETHODIMP_(ULONG) WCDataObject::Release( void) | |
| 210 { | |
| 211 long c = InterlockedDecrement(&m_ref); | |
| 212 if (c == 0) | |
| 213 delete this; | |
| 214 return c; | |
| 215 } | |
| 216 | |
| 217 STDMETHODIMP WCDataObject::GetData(FORMATETC* pformatetcIn, STGMEDIUM* pmedium) | |
| 218 { | |
| 219 if(!pformatetcIn || !pmedium) | |
| 220 return E_POINTER; | |
| 221 pmedium->hGlobal = 0; | |
| 222 | |
| 223 for(size_t i=0; i < m_formats.size(); ++i) { | |
| 224 if(/*pformatetcIn->tymed & m_formats[i]->tymed &&*/ // tymed can be
0 (TYMED_NULL) - but it can have a medium that contains an pUnkForRelease | |
| 225 pformatetcIn->lindex == m_formats[i]->lindex && | |
| 226 pformatetcIn->dwAspect == m_formats[i]->dwAspect && | |
| 227 pformatetcIn->cfFormat == m_formats[i]->cfFormat) { | |
| 228 CopyMedium(pmedium, m_medium[i], m_formats[i]); | |
| 229 return S_OK; | |
| 230 } | |
| 231 } | |
| 232 return DV_E_FORMATETC; | |
| 233 } | |
| 234 | |
| 235 STDMETHODIMP WCDataObject::GetDataHere(FORMATETC*, STGMEDIUM*) | |
| 236 { | |
| 237 return E_NOTIMPL; | |
| 238 } | |
| 239 | |
| 240 STDMETHODIMP WCDataObject::QueryGetData(FORMATETC* pformatetc) | |
| 241 { | |
| 242 if(!pformatetc) | |
| 243 return E_POINTER; | |
| 244 | |
| 245 if (!(DVASPECT_CONTENT & pformatetc->dwAspect)) | |
| 246 return (DV_E_DVASPECT); | |
| 247 HRESULT hr = DV_E_TYMED; | |
| 248 for(size_t i = 0; i < m_formats.size(); ++i) { | |
| 249 if(pformatetc->tymed & m_formats[i]->tymed) { | |
| 250 if(pformatetc->cfFormat == m_formats[i]->cfFormat) | |
| 251 return S_OK; | |
| 252 else | |
| 253 hr = DV_E_CLIPFORMAT; | |
| 254 } | |
| 255 else | |
| 256 hr = DV_E_TYMED; | |
| 257 } | |
| 258 return hr; | |
| 259 } | |
| 260 | |
| 261 STDMETHODIMP WCDataObject::GetCanonicalFormatEtc(FORMATETC*, FORMATETC*) | |
| 262 { | |
| 263 return DATA_S_SAMEFORMATETC; | |
| 264 } | |
| 265 | |
| 266 STDMETHODIMP WCDataObject::SetData(FORMATETC* pformatetc, STGMEDIUM* pmedium, BO
OL fRelease) | |
| 267 { | |
| 268 if(!pformatetc || !pmedium) | |
| 269 return E_POINTER; | |
| 270 | |
| 271 FORMATETC* fetc=new FORMATETC; | |
| 272 if (!fetc) | |
| 273 return E_OUTOFMEMORY; | |
| 274 | |
| 275 STGMEDIUM* pStgMed = new STGMEDIUM; | |
| 276 | |
| 277 if(!pStgMed) { | |
| 278 delete fetc; | |
| 279 return E_OUTOFMEMORY; | |
| 280 } | |
| 281 | |
| 282 ZeroMemory(fetc,sizeof(FORMATETC)); | |
| 283 ZeroMemory(pStgMed,sizeof(STGMEDIUM)); | |
| 284 | |
| 285 *fetc = *pformatetc; | |
| 286 m_formats.append(fetc); | |
| 287 | |
| 288 if(fRelease) | |
| 289 *pStgMed = *pmedium; | |
| 290 else | |
| 291 CopyMedium(pStgMed, pmedium, pformatetc); | |
| 292 m_medium.append(pStgMed); | |
| 293 | |
| 294 return S_OK; | |
| 295 } | |
| 296 | |
| 297 void WCDataObject::CopyMedium(STGMEDIUM* pMedDest, STGMEDIUM* pMedSrc, FORMATETC
* pFmtSrc) | |
| 298 { | |
| 299 switch(pMedSrc->tymed) | |
| 300 { | |
| 301 #if !OS(WINCE) | |
| 302 case TYMED_HGLOBAL: | |
| 303 pMedDest->hGlobal = (HGLOBAL)OleDuplicateData(pMedSrc->hGlobal,pFmtSrc->
cfFormat, 0); | |
| 304 break; | |
| 305 case TYMED_GDI: | |
| 306 pMedDest->hBitmap = (HBITMAP)OleDuplicateData(pMedSrc->hBitmap,pFmtSrc->
cfFormat, 0); | |
| 307 break; | |
| 308 case TYMED_MFPICT: | |
| 309 pMedDest->hMetaFilePict = (HMETAFILEPICT)OleDuplicateData(pMedSrc->hMeta
FilePict,pFmtSrc->cfFormat, 0); | |
| 310 break; | |
| 311 case TYMED_ENHMF: | |
| 312 pMedDest->hEnhMetaFile = (HENHMETAFILE)OleDuplicateData(pMedSrc->hEnhMet
aFile,pFmtSrc->cfFormat, 0); | |
| 313 break; | |
| 314 case TYMED_FILE: | |
| 315 pMedSrc->lpszFileName = (LPOLESTR)OleDuplicateData(pMedSrc->lpszFileName
,pFmtSrc->cfFormat, 0); | |
| 316 break; | |
| 317 #endif | |
| 318 case TYMED_ISTREAM: | |
| 319 pMedDest->pstm = pMedSrc->pstm; | |
| 320 pMedSrc->pstm->AddRef(); | |
| 321 break; | |
| 322 case TYMED_ISTORAGE: | |
| 323 pMedDest->pstg = pMedSrc->pstg; | |
| 324 pMedSrc->pstg->AddRef(); | |
| 325 break; | |
| 326 default: | |
| 327 break; | |
| 328 } | |
| 329 pMedDest->tymed = pMedSrc->tymed; | |
| 330 pMedDest->pUnkForRelease = 0; | |
| 331 if(pMedSrc->pUnkForRelease != 0) { | |
| 332 pMedDest->pUnkForRelease = pMedSrc->pUnkForRelease; | |
| 333 pMedSrc->pUnkForRelease->AddRef(); | |
| 334 } | |
| 335 } | |
| 336 STDMETHODIMP WCDataObject::EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC** ppe
numFormatEtc) | |
| 337 { | |
| 338 if(!ppenumFormatEtc) | |
| 339 return E_POINTER; | |
| 340 | |
| 341 *ppenumFormatEtc=0; | |
| 342 switch (dwDirection) | |
| 343 { | |
| 344 case DATADIR_GET: | |
| 345 *ppenumFormatEtc= new WCEnumFormatEtc(m_formats); | |
| 346 if(!(*ppenumFormatEtc)) | |
| 347 return E_OUTOFMEMORY; | |
| 348 break; | |
| 349 | |
| 350 case DATADIR_SET: | |
| 351 default: | |
| 352 return E_NOTIMPL; | |
| 353 break; | |
| 354 } | |
| 355 | |
| 356 return S_OK; | |
| 357 } | |
| 358 | |
| 359 STDMETHODIMP WCDataObject::DAdvise(FORMATETC*, DWORD, IAdviseSink*,DWORD*) | |
| 360 { | |
| 361 return OLE_E_ADVISENOTSUPPORTED; | |
| 362 } | |
| 363 | |
| 364 STDMETHODIMP WCDataObject::DUnadvise(DWORD) | |
| 365 { | |
| 366 return E_NOTIMPL; | |
| 367 } | |
| 368 | |
| 369 HRESULT STDMETHODCALLTYPE WCDataObject::EnumDAdvise(IEnumSTATDATA**) | |
| 370 { | |
| 371 return OLE_E_ADVISENOTSUPPORTED; | |
| 372 } | |
| 373 | |
| 374 void WCDataObject::clearData(CLIPFORMAT format) | |
| 375 { | |
| 376 size_t ptr = 0; | |
| 377 while (ptr < m_formats.size()) { | |
| 378 if (m_formats[ptr]->cfFormat == format) { | |
| 379 FORMATETC* current = m_formats[ptr]; | |
| 380 m_formats[ptr] = m_formats[m_formats.size() - 1]; | |
| 381 m_formats[m_formats.size() - 1] = 0; | |
| 382 m_formats.removeLast(); | |
| 383 delete current; | |
| 384 STGMEDIUM* medium = m_medium[ptr]; | |
| 385 m_medium[ptr] = m_medium[m_medium.size() - 1]; | |
| 386 m_medium[m_medium.size() - 1] = 0; | |
| 387 m_medium.removeLast(); | |
| 388 ReleaseStgMedium(medium); | |
| 389 delete medium; | |
| 390 continue; | |
| 391 } | |
| 392 ptr++; | |
| 393 } | |
| 394 } | |
| 395 | |
| 396 } | |
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Chromium Code Reviews
Issue 13642009:
WebCore: Remove PLATFORM(WIN) files we do not use. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk