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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 | |
| 28 #include "WCDataObject.h" | |
| 29 | |
| 30 #include "PlatformString.h" | |
| 31 | |
| 32 namespace WebCore { | |
| 33 | |
| 34 class WCEnumFormatEtc : public IEnumFORMATETC | |
| 35 { | |
| 36 public: | |
| 37 WCEnumFormatEtc(const Vector<FORMATETC>& formats); | |
| 38 WCEnumFormatEtc(const Vector<FORMATETC*>& formats); | |
| 39 | |
| 40 //IUnknown members | |
| 41 STDMETHOD(QueryInterface)(REFIID, void**); | |
| 42 STDMETHOD_(ULONG, AddRef)(void); | |
| 43 STDMETHOD_(ULONG, Release)(void); | |
| 44 | |
| 45 //IEnumFORMATETC members | |
| 46 STDMETHOD(Next)(ULONG, LPFORMATETC, ULONG*); | |
| 47 STDMETHOD(Skip)(ULONG); | |
| 48 STDMETHOD(Reset)(void); | |
| 49 STDMETHOD(Clone)(IEnumFORMATETC**); | |
| 50 | |
| 51 private: | |
| 52 long m_ref; | |
| 53 Vector<FORMATETC> m_formats; | |
| 54 size_t m_current; | |
| 55 }; | |
| 56 | |
| 57 | |
| 58 | |
| 59 WCEnumFormatEtc::WCEnumFormatEtc(const Vector<FORMATETC>& formats) | |
| 60 : m_ref(1) | |
| 61 , m_current(0) | |
| 62 { | |
| 63 for(size_t i = 0; i < formats.size(); ++i) | |
| 64 m_formats.append(formats[i]); | |
| 65 } | |
| 66 | |
| 67 WCEnumFormatEtc::WCEnumFormatEtc(const Vector<FORMATETC*>& formats) | |
| 68 : m_ref(1) | |
| 69 , m_current(0) | |
| 70 { | |
| 71 for(size_t i = 0; i < formats.size(); ++i) | |
| 72 m_formats.append(*formats[i]); | |
| 73 } | |
| 74 | |
| 75 STDMETHODIMP WCEnumFormatEtc::QueryInterface(REFIID riid, void** ppvObject) | |
| 76 { | |
| 77 *ppvObject = 0; | |
| 78 if (IsEqualIID(riid, IID_IUnknown) || | |
| 79 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 WCDataObject::WCDataObject() | |
| 166 : m_ref(1) | |
| 167 { | |
| 168 } | |
| 169 | |
| 170 WCDataObject::~WCDataObject() | |
| 171 { | |
| 172 for(size_t i = 0; i < m_medium.size(); ++i) { | |
| 173 ReleaseStgMedium(m_medium[i]); | |
| 174 delete m_medium[i]; | |
| 175 } | |
| 176 WTF::deleteAllValues(m_formats); | |
| 177 } | |
| 178 | |
| 179 STDMETHODIMP WCDataObject::QueryInterface(REFIID riid,void** ppvObject) | |
| 180 { | |
| 181 *ppvObject = 0; | |
| 182 if (IID_IUnknown==riid || IID_IDataObject==riid) | |
| 183 *ppvObject=this; | |
| 184 if (*ppvObject) { | |
| 185 AddRef(); | |
| 186 return S_OK; | |
| 187 } | |
| 188 return E_NOINTERFACE; | |
| 189 } | |
| 190 | |
| 191 STDMETHODIMP_(ULONG) WCDataObject::AddRef( void) | |
| 192 { | |
| 193 return InterlockedIncrement(&m_ref); | |
| 194 } | |
| 195 | |
| 196 STDMETHODIMP_(ULONG) WCDataObject::Release( void) | |
| 197 { | |
| 198 long c = InterlockedDecrement(&m_ref); | |
| 199 if (c == 0) | |
| 200 delete this; | |
| 201 return c; | |
| 202 } | |
| 203 | |
| 204 STDMETHODIMP WCDataObject::GetData(FORMATETC* pformatetcIn, STGMEDIUM* pmedium) | |
| 205 { | |
| 206 if(!pformatetcIn || !pmedium) | |
| 207 return E_POINTER; | |
| 208 pmedium->hGlobal = 0; | |
| 209 | |
| 210 for(size_t i=0; i < m_formats.size(); ++i) { | |
| 211 if(/*pformatetcIn->tymed & m_formats[i]->tymed &&*/ // tymed can be
0 (TYMED_NULL) - but it can have a medium that contains an pUnkForRelease | |
| 212 pformatetcIn->lindex == m_formats[i]->lindex && | |
| 213 pformatetcIn->dwAspect == m_formats[i]->dwAspect && | |
| 214 pformatetcIn->cfFormat == m_formats[i]->cfFormat) { | |
| 215 CopyMedium(pmedium, m_medium[i], m_formats[i]); | |
| 216 return S_OK; | |
| 217 } | |
| 218 } | |
| 219 return DV_E_FORMATETC; | |
| 220 } | |
| 221 | |
| 222 STDMETHODIMP WCDataObject::GetDataHere(FORMATETC*, STGMEDIUM*) | |
| 223 { | |
| 224 return E_NOTIMPL; | |
| 225 } | |
| 226 | |
| 227 STDMETHODIMP WCDataObject::QueryGetData(FORMATETC* pformatetc) | |
| 228 { | |
| 229 if(!pformatetc) | |
| 230 return E_POINTER; | |
| 231 | |
| 232 if (!(DVASPECT_CONTENT & pformatetc->dwAspect)) | |
| 233 return (DV_E_DVASPECT); | |
| 234 HRESULT hr = DV_E_TYMED; | |
| 235 for(size_t i = 0; i < m_formats.size(); ++i) { | |
| 236 if(pformatetc->tymed & m_formats[i]->tymed) { | |
| 237 if(pformatetc->cfFormat == m_formats[i]->cfFormat) | |
| 238 return S_OK; | |
| 239 else | |
| 240 hr = DV_E_CLIPFORMAT; | |
| 241 } | |
| 242 else | |
| 243 hr = DV_E_TYMED; | |
| 244 } | |
| 245 return hr; | |
| 246 } | |
| 247 | |
| 248 STDMETHODIMP WCDataObject::GetCanonicalFormatEtc(FORMATETC*, FORMATETC*) | |
| 249 { | |
| 250 return DATA_S_SAMEFORMATETC; | |
| 251 } | |
| 252 | |
| 253 STDMETHODIMP WCDataObject::SetData(FORMATETC* pformatetc, STGMEDIUM* pmedium, BO
OL fRelease) | |
| 254 { | |
| 255 if(!pformatetc || !pmedium) | |
| 256 return E_POINTER; | |
| 257 | |
| 258 FORMATETC* fetc=new FORMATETC; | |
| 259 if (!fetc) | |
| 260 return E_OUTOFMEMORY; | |
| 261 | |
| 262 STGMEDIUM* pStgMed = new STGMEDIUM; | |
| 263 | |
| 264 if(!pStgMed) { | |
| 265 delete fetc; | |
| 266 return E_OUTOFMEMORY; | |
| 267 } | |
| 268 | |
| 269 ZeroMemory(fetc,sizeof(FORMATETC)); | |
| 270 ZeroMemory(pStgMed,sizeof(STGMEDIUM)); | |
| 271 | |
| 272 *fetc = *pformatetc; | |
| 273 m_formats.append(fetc); | |
| 274 | |
| 275 if(fRelease) | |
| 276 *pStgMed = *pmedium; | |
| 277 else | |
| 278 CopyMedium(pStgMed, pmedium, pformatetc); | |
| 279 m_medium.append(pStgMed); | |
| 280 | |
| 281 return S_OK; | |
| 282 } | |
| 283 | |
| 284 void WCDataObject::CopyMedium(STGMEDIUM* pMedDest, STGMEDIUM* pMedSrc, FORMATETC
* pFmtSrc) | |
| 285 { | |
| 286 switch(pMedSrc->tymed) | |
| 287 { | |
| 288 case TYMED_HGLOBAL: | |
| 289 pMedDest->hGlobal = (HGLOBAL)OleDuplicateData(pMedSrc->hGlobal,pFmtSrc->
cfFormat, 0); | |
| 290 break; | |
| 291 case TYMED_GDI: | |
| 292 pMedDest->hBitmap = (HBITMAP)OleDuplicateData(pMedSrc->hBitmap,pFmtSrc->
cfFormat, 0); | |
| 293 break; | |
| 294 case TYMED_MFPICT: | |
| 295 pMedDest->hMetaFilePict = (HMETAFILEPICT)OleDuplicateData(pMedSrc->hMeta
FilePict,pFmtSrc->cfFormat, 0); | |
| 296 break; | |
| 297 case TYMED_ENHMF: | |
| 298 pMedDest->hEnhMetaFile = (HENHMETAFILE)OleDuplicateData(pMedSrc->hEnhMet
aFile,pFmtSrc->cfFormat, 0); | |
| 299 break; | |
| 300 case TYMED_FILE: | |
| 301 pMedSrc->lpszFileName = (LPOLESTR)OleDuplicateData(pMedSrc->lpszFileName
,pFmtSrc->cfFormat, 0); | |
| 302 break; | |
| 303 case TYMED_ISTREAM: | |
| 304 pMedDest->pstm = pMedSrc->pstm; | |
| 305 pMedSrc->pstm->AddRef(); | |
| 306 break; | |
| 307 case TYMED_ISTORAGE: | |
| 308 pMedDest->pstg = pMedSrc->pstg; | |
| 309 pMedSrc->pstg->AddRef(); | |
| 310 break; | |
| 311 default: | |
| 312 break; | |
| 313 } | |
| 314 pMedDest->tymed = pMedSrc->tymed; | |
| 315 pMedDest->pUnkForRelease = 0; | |
| 316 if(pMedSrc->pUnkForRelease != 0) { | |
| 317 pMedDest->pUnkForRelease = pMedSrc->pUnkForRelease; | |
| 318 pMedSrc->pUnkForRelease->AddRef(); | |
| 319 } | |
| 320 } | |
| 321 STDMETHODIMP WCDataObject::EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC** ppe
numFormatEtc) | |
| 322 { | |
| 323 if(!ppenumFormatEtc) | |
| 324 return E_POINTER; | |
| 325 | |
| 326 *ppenumFormatEtc=0; | |
| 327 switch (dwDirection) | |
| 328 { | |
| 329 case DATADIR_GET: | |
| 330 *ppenumFormatEtc= new WCEnumFormatEtc(m_formats); | |
| 331 if(!(*ppenumFormatEtc)) | |
| 332 return E_OUTOFMEMORY; | |
| 333 break; | |
| 334 | |
| 335 case DATADIR_SET: | |
| 336 default: | |
| 337 return E_NOTIMPL; | |
| 338 break; | |
| 339 } | |
| 340 | |
| 341 return S_OK; | |
| 342 } | |
| 343 | |
| 344 STDMETHODIMP WCDataObject::DAdvise(FORMATETC*, DWORD, IAdviseSink*,DWORD*) | |
| 345 { | |
| 346 return OLE_E_ADVISENOTSUPPORTED; | |
| 347 } | |
| 348 | |
| 349 STDMETHODIMP WCDataObject::DUnadvise(DWORD) | |
| 350 { | |
| 351 return E_NOTIMPL; | |
| 352 } | |
| 353 | |
| 354 HRESULT STDMETHODCALLTYPE WCDataObject::EnumDAdvise(IEnumSTATDATA**) | |
| 355 { | |
| 356 return OLE_E_ADVISENOTSUPPORTED; | |
| 357 } | |
| 358 | |
| 359 void WCDataObject::clearData(CLIPFORMAT format) | |
| 360 { | |
| 361 size_t ptr = 0; | |
| 362 while (ptr < m_formats.size()) { | |
| 363 if (m_formats[ptr]->cfFormat == format) { | |
| 364 FORMATETC* current = m_formats[ptr]; | |
| 365 m_formats[ptr] = m_formats[m_formats.size() - 1]; | |
| 366 m_formats[m_formats.size() - 1] = 0; | |
| 367 m_formats.removeLast(); | |
| 368 delete current; | |
| 369 STGMEDIUM* medium = m_medium[ptr]; | |
| 370 m_medium[ptr] = m_medium[m_medium.size() - 1]; | |
| 371 m_medium[m_medium.size() - 1] = 0; | |
| 372 m_medium.removeLast(); | |
| 373 ReleaseStgMedium(medium); | |
| 374 delete medium; | |
| 375 continue; | |
| 376 } | |
| 377 ptr++; | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 | |
| 382 } | |
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Chromium Code Reviews
Issue 7419:
Move many files that were suffixed Win.cpp to Chromium.cpp, and place them in... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/