dlls/hhctrl.ocx/webbrowser.c

   1 /*
   2  * WebBrowser Implementation
   3  *
   4  * Copyright 2005 James Hawkins
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "winnls.h"
  29 #include "ole2.h"
  30
  31 #include "webbrowser.h"
  32
  33 #define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
  34
  35 static const SAFEARRAYBOUND ArrayBound = {1, 0};
  36
  37 typedef struct IOleClientSiteImpl
  38 {
  39     const IOleClientSiteVtbl *lpVtbl;
  40     const IOleInPlaceSiteVtbl *lpvtblOleInPlaceSite;
  41     const IOleInPlaceFrameVtbl *lpvtblOleInPlaceFrame;
  42     const IDocHostUIHandlerVtbl *lpvtblDocHostUIHandler;
  43
  44     /* IOleClientSiteImpl data */
  45     IOleObject *pBrowserObject;
  46     LONG ref;
  47
  48     /* IOleInPlaceFrame data */
  49     HWND hwndWindow;
  50 } IOleClientSiteImpl;
  51
  52 static HRESULT STDMETHODCALLTYPE Site_QueryInterface(IOleClientSite *iface, REFIID riid, void **ppvObj)
  53 {
  54     ICOM_THIS_MULTI(IOleClientSiteImpl, lpVtbl, iface);
  55     *ppvObj = NULL;
  56
  57     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IOleClientSite))
  58     {
  59         *ppvObj = This;
  60     }
  61     else if (IsEqualIID(riid, &IID_IOleInPlaceSite))
  62     {
  63         *ppvObj = &(This->lpvtblOleInPlaceSite);
  64     }
  65     else if (IsEqualIID(riid, &IID_IDocHostUIHandler))
  66     {
  67         *ppvObj = &(This->lpvtblDocHostUIHandler);
  68     }
  69     else
  70         return E_NOINTERFACE;
  71
  72     return S_OK;
  73 }
  74
  75 static ULONG STDMETHODCALLTYPE Site_AddRef(IOleClientSite *iface)
  76 {
  77     ICOM_THIS_MULTI(IOleClientSiteImpl, lpVtbl, iface);
  78     return InterlockedIncrement(&This->ref);
  79 }
  80
  81 static ULONG STDMETHODCALLTYPE Site_Release(IOleClientSite *iface)
  82 {
  83     ICOM_THIS_MULTI(IOleClientSiteImpl, lpVtbl, iface);
  84     LONG refCount = InterlockedDecrement(&This->ref);
  85
  86     if (refCount)
  87         return refCount;
  88
  89     HeapFree(GetProcessHeap(), 0, This);
  90     return 0;
  91 }
  92
  93 static HRESULT STDMETHODCALLTYPE Site_SaveObject(IOleClientSite *iface)
  94 {
  95     return E_NOTIMPL;
  96 }
  97
  98 static HRESULT STDMETHODCALLTYPE Site_GetMoniker(IOleClientSite *iface, DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk)
  99 {
 100     return E_NOTIMPL;
 101 }
 102
 103 static HRESULT STDMETHODCALLTYPE Site_GetContainer(IOleClientSite *iface, LPOLECONTAINER *ppContainer)
 104 {
 105     *ppContainer = NULL;
 106
 107     return E_NOINTERFACE;
 108 }
 109
 110 static HRESULT STDMETHODCALLTYPE Site_ShowObject(IOleClientSite *iface)
 111 {
 112     return NOERROR;
 113 }
 114
 115 static HRESULT STDMETHODCALLTYPE Site_OnShowWindow(IOleClientSite *iface, BOOL fShow)
 116 {
 117     return E_NOTIMPL;
 118 }
 119
 120 static HRESULT STDMETHODCALLTYPE Site_RequestNewObjectLayout(IOleClientSite *iface)
 121 {
 122     return E_NOTIMPL;
 123 }
 124
 125 static const IOleClientSiteVtbl MyIOleClientSiteTable =
 126 {
 127     Site_QueryInterface,
 128     Site_AddRef,
 129     Site_Release,
 130     Site_SaveObject,
 131     Site_GetMoniker,
 132     Site_GetContainer,
 133     Site_ShowObject,
 134     Site_OnShowWindow,
 135     Site_RequestNewObjectLayout
 136 };
 137
 138 static HRESULT STDMETHODCALLTYPE UI_QueryInterface(IDocHostUIHandler *iface, REFIID riid, LPVOID *ppvObj)
 139 {
 140     ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblDocHostUIHandler, iface);
 141     return Site_QueryInterface((IOleClientSite *)This, riid, ppvObj);
 142 }
 143
 144 static ULONG STDMETHODCALLTYPE UI_AddRef(IDocHostUIHandler *iface)
 145 {
 146     return 1;
 147 }
 148
 149 static ULONG STDMETHODCALLTYPE UI_Release(IDocHostUIHandler * iface)
 150 {
 151     return 2;
 152 }
 153
 154 static HRESULT STDMETHODCALLTYPE UI_ShowContextMenu(IDocHostUIHandler *iface, DWORD dwID, POINT *ppt, IUnknown *pcmdtReserved, IDispatch *pdispReserved)
 155 {
 156     return S_OK;
 157 }
 158
 159 static HRESULT STDMETHODCALLTYPE UI_GetHostInfo(IDocHostUIHandler *iface, DOCHOSTUIINFO *pInfo)
 160 {
 161     pInfo->cbSize = sizeof(DOCHOSTUIINFO);
 162     pInfo->dwFlags = DOCHOSTUIFLAG_NO3DBORDER;
 163     pInfo->dwDoubleClick = DOCHOSTUIDBLCLK_DEFAULT;
 164
 165     return S_OK;
 166 }
 167
 168 static HRESULT STDMETHODCALLTYPE UI_ShowUI(IDocHostUIHandler *iface, DWORD dwID, IOleInPlaceActiveObject *pActiveObject, IOleCommandTarget *pCommandTarget, IOleInPlaceFrame *pFrame, IOleInPlaceUIWindow *pDoc)
 169 {
 170     return S_OK;
 171 }
 172
 173 static HRESULT STDMETHODCALLTYPE UI_HideUI(IDocHostUIHandler *iface)
 174 {
 175     return S_OK;
 176 }
 177
 178 static HRESULT STDMETHODCALLTYPE UI_UpdateUI(IDocHostUIHandler *iface)
 179 {
 180     return S_OK;
 181 }
 182
 183 static HRESULT STDMETHODCALLTYPE UI_EnableModeless(IDocHostUIHandler *iface, BOOL fEnable)
 184 {
 185     return S_OK;
 186 }
 187
 188 static HRESULT STDMETHODCALLTYPE UI_OnDocWindowActivate(IDocHostUIHandler *iface, BOOL fActivate)
 189 {
 190     return S_OK;
 191 }
 192
 193 static HRESULT STDMETHODCALLTYPE UI_OnFrameWindowActivate(IDocHostUIHandler *iface, BOOL fActivate)
 194 {
 195     return S_OK;
 196 }
 197
 198 static HRESULT STDMETHODCALLTYPE UI_ResizeBorder(IDocHostUIHandler *iface, LPCRECT prcBorder, IOleInPlaceUIWindow *pUIWindow, BOOL fRameWindow)
 199 {
 200     return S_OK;
 201 }
 202
 203 static HRESULT STDMETHODCALLTYPE UI_TranslateAccelerator(IDocHostUIHandler *iface, LPMSG lpMsg, const GUID *pguidCmdGroup, DWORD nCmdID)
 204 {
 205     return S_FALSE;
 206 }
 207
 208 static HRESULT STDMETHODCALLTYPE UI_GetOptionKeyPath(IDocHostUIHandler *iface, LPOLESTR *pchKey, DWORD dw)
 209 {
 210     return S_FALSE;
 211 }
 212
 213 static HRESULT STDMETHODCALLTYPE UI_GetDropTarget(IDocHostUIHandler *iface, IDropTarget *pDropTarget, IDropTarget **ppDropTarget)
 214 {
 215     return S_FALSE;
 216 }
 217
 218 static HRESULT STDMETHODCALLTYPE UI_GetExternal(IDocHostUIHandler *iface, IDispatch **ppDispatch)
 219 {
 220     *ppDispatch = NULL;
 221     return S_FALSE;
 222 }
 223
 224 static HRESULT STDMETHODCALLTYPE UI_TranslateUrl(IDocHostUIHandler *iface, DWORD dwTranslate, OLECHAR *pchURLIn, OLECHAR **ppchURLOut)
 225 {
 226     *ppchURLOut = NULL;
 227     return S_FALSE;
 228 }
 229
 230 static HRESULT STDMETHODCALLTYPE UI_FilterDataObject(IDocHostUIHandler *iface, IDataObject *pDO, IDataObject **ppDORet)
 231 {
 232     *ppDORet = NULL;
 233     return S_FALSE;
 234 }
 235
 236 static const IDocHostUIHandlerVtbl MyIDocHostUIHandlerTable =
 237 {
 238     UI_QueryInterface,
 239     UI_AddRef,
 240     UI_Release,
 241     UI_ShowContextMenu,
 242     UI_GetHostInfo,
 243     UI_ShowUI,
 244     UI_HideUI,
 245     UI_UpdateUI,
 246     UI_EnableModeless,
 247     UI_OnDocWindowActivate,
 248     UI_OnFrameWindowActivate,
 249     UI_ResizeBorder,
 250     UI_TranslateAccelerator,
 251     UI_GetOptionKeyPath,
 252     UI_GetDropTarget,
 253     UI_GetExternal,
 254     UI_TranslateUrl,
 255     UI_FilterDataObject
 256 };
 257
 258 static HRESULT STDMETHODCALLTYPE InPlace_QueryInterface(IOleInPlaceSite *iface, REFIID riid, LPVOID *ppvObj)
 259 {
 260     ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
 261     return Site_QueryInterface((IOleClientSite *)This, riid, ppvObj);
 262 }
 263
 264 static ULONG STDMETHODCALLTYPE InPlace_AddRef(IOleInPlaceSite *iface)
 265 {
 266     return 1;
 267 }
 268
 269 static ULONG STDMETHODCALLTYPE InPlace_Release(IOleInPlaceSite *iface)
 270 {
 271     return 2;
 272 }
 273
 274 static HRESULT STDMETHODCALLTYPE InPlace_GetWindow(IOleInPlaceSite *iface, HWND *lphwnd)
 275 {
 276     ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
 277     *lphwnd = This->hwndWindow;
 278
 279     return S_OK;
 280 }
 281
 282 static HRESULT STDMETHODCALLTYPE InPlace_ContextSensitiveHelp(IOleInPlaceSite *iface, BOOL fEnterMode)
 283 {
 284     return E_NOTIMPL;
 285 }
 286
 287 static HRESULT STDMETHODCALLTYPE InPlace_CanInPlaceActivate(IOleInPlaceSite *iface)
 288 {
 289     return S_OK;
 290 }
 291
 292 static HRESULT STDMETHODCALLTYPE InPlace_OnInPlaceActivate(IOleInPlaceSite *iface)
 293 {
 294     return S_OK;
 295 }
 296
 297 static HRESULT STDMETHODCALLTYPE InPlace_OnUIActivate(IOleInPlaceSite *iface)
 298 {
 299     return S_OK;
 300 }
 301
 302 static HRESULT STDMETHODCALLTYPE InPlace_GetWindowContext(IOleInPlaceSite *iface, LPOLEINPLACEFRAME *lplpFrame, LPOLEINPLACEUIWINDOW *lplpDoc, LPRECT lprcPosRect, LPRECT lprcClipRect, LPOLEINPLACEFRAMEINFO lpFrameInfo)
 303 {
 304     ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
 305     *lplpFrame = (LPOLEINPLACEFRAME)&This->lpvtblOleInPlaceFrame;
 306     *lplpDoc = NULL;
 307
 308     lpFrameInfo->fMDIApp = FALSE;
 309     lpFrameInfo->hwndFrame = This->hwndWindow;
 310     lpFrameInfo->haccel = NULL;
 311     lpFrameInfo->cAccelEntries = 0;
 312
 313     return S_OK;
 314 }
 315
 316 static HRESULT STDMETHODCALLTYPE InPlace_Scroll(IOleInPlaceSite *iface, SIZE scrollExtent)
 317 {
 318     return E_NOTIMPL;
 319 }
 320
 321 static HRESULT STDMETHODCALLTYPE InPlace_OnUIDeactivate(IOleInPlaceSite *iface, BOOL fUndoable)
 322 {
 323     return S_OK;
 324 }
 325
 326 static HRESULT STDMETHODCALLTYPE InPlace_OnInPlaceDeactivate(IOleInPlaceSite *iface)
 327 {
 328     return S_OK;
 329 }
 330
 331 static HRESULT STDMETHODCALLTYPE InPlace_DiscardUndoState(IOleInPlaceSite *iface)
 332 {
 333     return E_NOTIMPL;
 334 }
 335
 336 static HRESULT STDMETHODCALLTYPE InPlace_DeactivateAndUndo(IOleInPlaceSite *iface)
 337 {
 338     return E_NOTIMPL;
 339 }
 340
 341 static HRESULT STDMETHODCALLTYPE InPlace_OnPosRectChange(IOleInPlaceSite *iface, LPCRECT lprcPosRect)
 342 {
 343     ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceSite, iface);
 344     IOleInPlaceObject *inplace;
 345
 346     if (!IOleObject_QueryInterface(This->pBrowserObject, &IID_IOleInPlaceObject, (void **)&inplace))
 347         IOleInPlaceObject_SetObjectRects(inplace, lprcPosRect, lprcPosRect);
 348
 349     return S_OK;
 350 }
 351
 352 static const IOleInPlaceSiteVtbl MyIOleInPlaceSiteTable =
 353 {
 354     InPlace_QueryInterface,
 355     InPlace_AddRef,
 356     InPlace_Release,
 357     InPlace_GetWindow,
 358     InPlace_ContextSensitiveHelp,
 359     InPlace_CanInPlaceActivate,
 360     InPlace_OnInPlaceActivate,
 361     InPlace_OnUIActivate,
 362     InPlace_GetWindowContext,
 363     InPlace_Scroll,
 364     InPlace_OnUIDeactivate,
 365     InPlace_OnInPlaceDeactivate,
 366     InPlace_DiscardUndoState,
 367     InPlace_DeactivateAndUndo,
 368     InPlace_OnPosRectChange
 369 };
 370
 371 static HRESULT STDMETHODCALLTYPE Frame_QueryInterface(IOleInPlaceFrame *iface, REFIID riid, LPVOID *ppvObj)
 372 {
 373     return E_NOTIMPL;
 374 }
 375
 376 static ULONG STDMETHODCALLTYPE Frame_AddRef(IOleInPlaceFrame *iface)
 377 {
 378     return 1;
 379 }
 380
 381 static ULONG STDMETHODCALLTYPE Frame_Release(IOleInPlaceFrame *iface)
 382 {
 383     return 2;
 384 }
 385
 386 static HRESULT STDMETHODCALLTYPE Frame_GetWindow(IOleInPlaceFrame *iface, HWND *lphwnd)
 387 {
 388     ICOM_THIS_MULTI(IOleClientSiteImpl, lpvtblOleInPlaceFrame, iface);
 389     *lphwnd = This->hwndWindow;
 390
 391     return S_OK;
 392 }
 393
 394 static HRESULT STDMETHODCALLTYPE Frame_ContextSensitiveHelp(IOleInPlaceFrame *iface, BOOL fEnterMode)
 395 {
 396     return E_NOTIMPL;
 397 }
 398
 399 static HRESULT STDMETHODCALLTYPE Frame_GetBorder(IOleInPlaceFrame *iface, LPRECT lprectBorder)
 400 {
 401     return E_NOTIMPL;
 402 }
 403
 404 static HRESULT STDMETHODCALLTYPE Frame_RequestBorderSpace(IOleInPlaceFrame *iface, LPCBORDERWIDTHS pborderwidths)
 405 {
 406     return E_NOTIMPL;
 407 }
 408
 409 static HRESULT STDMETHODCALLTYPE Frame_SetBorderSpace(IOleInPlaceFrame *iface, LPCBORDERWIDTHS pborderwidths)
 410 {
 411     return E_NOTIMPL;
 412 }
 413
 414 static HRESULT STDMETHODCALLTYPE Frame_SetActiveObject(IOleInPlaceFrame *iface, IOleInPlaceActiveObject *pActiveObject, LPCOLESTR pszObjName)
 415 {
 416     return S_OK;
 417 }
 418
 419 static HRESULT STDMETHODCALLTYPE Frame_InsertMenus(IOleInPlaceFrame *iface, HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths)
 420 {
 421     return E_NOTIMPL;
 422 }
 423
 424 static HRESULT STDMETHODCALLTYPE Frame_SetMenu(IOleInPlaceFrame *iface, HMENU hmenuShared, HOLEMENU holemenu, HWND hwndActiveObject)
 425 {
 426     return S_OK;
 427 }
 428
 429 static HRESULT STDMETHODCALLTYPE Frame_RemoveMenus(IOleInPlaceFrame *iface, HMENU hmenuShared)
 430 {
 431     return E_NOTIMPL;
 432 }
 433
 434 static HRESULT STDMETHODCALLTYPE Frame_SetStatusText(IOleInPlaceFrame *iface, LPCOLESTR pszStatusText)
 435 {
 436     return S_OK;
 437 }
 438
 439 static HRESULT STDMETHODCALLTYPE Frame_EnableModeless(IOleInPlaceFrame *iface, BOOL fEnable)
 440 {
 441     return S_OK;
 442 }
 443
 444 static HRESULT STDMETHODCALLTYPE Frame_TranslateAccelerator(IOleInPlaceFrame *iface, LPMSG lpmsg, WORD wID)
 445 {
 446     return E_NOTIMPL;
 447 }
 448
 449 static const IOleInPlaceFrameVtbl MyIOleInPlaceFrameTable =
 450 {
 451     Frame_QueryInterface,
 452     Frame_AddRef,
 453     Frame_Release,
 454     Frame_GetWindow,
 455     Frame_ContextSensitiveHelp,
 456     Frame_GetBorder,
 457     Frame_RequestBorderSpace,
 458     Frame_SetBorderSpace,
 459     Frame_SetActiveObject,
 460     Frame_InsertMenus,
 461     Frame_SetMenu,
 462     Frame_RemoveMenus,
 463     Frame_SetStatusText,
 464     Frame_EnableModeless,
 465     Frame_TranslateAccelerator
 466 };
 467
 468 static HRESULT STDMETHODCALLTYPE Storage_QueryInterface(IStorage *This, REFIID riid, LPVOID *ppvObj)
 469 {
 470     return E_NOTIMPL;
 471 }
 472
 473 static ULONG STDMETHODCALLTYPE Storage_AddRef(IStorage *This)
 474 {
 475     return 1;
 476 }
 477
 478 static ULONG STDMETHODCALLTYPE Storage_Release(IStorage *This)
 479 {
 480     return 2;
 481 }
 482
 483 static HRESULT STDMETHODCALLTYPE Storage_CreateStream(IStorage *This, const WCHAR *pwcsName, DWORD grfMode, DWORD reserved1, DWORD reserved2, IStream **ppstm)
 484 {
 485     return E_NOTIMPL;
 486 }
 487
 488 static HRESULT STDMETHODCALLTYPE Storage_OpenStream(IStorage *This, const WCHAR * pwcsName, void *reserved1, DWORD grfMode, DWORD reserved2, IStream **ppstm)
 489 {
 490     return E_NOTIMPL;
 491 }
 492
 493 static HRESULT STDMETHODCALLTYPE Storage_CreateStorage(IStorage *This, const WCHAR *pwcsName, DWORD grfMode, DWORD reserved1, DWORD reserved2, IStorage **ppstg)
 494 {
 495     return E_NOTIMPL;
 496 }
 497
 498 static HRESULT STDMETHODCALLTYPE Storage_OpenStorage(IStorage *This, const WCHAR * pwcsName, IStorage * pstgPriority, DWORD grfMode, SNB snbExclude, DWORD reserved, IStorage **ppstg)
 499 {
 500     return E_NOTIMPL;
 501 }
 502
 503 static HRESULT STDMETHODCALLTYPE Storage_CopyTo(IStorage *This, DWORD ciidExclude, IID const *rgiidExclude, SNB snbExclude,IStorage *pstgDest)
 504 {
 505     return E_NOTIMPL;
 506 }
 507
 508 static HRESULT STDMETHODCALLTYPE Storage_MoveElementTo(IStorage *This, const OLECHAR *pwcsName,IStorage * pstgDest, const OLECHAR *pwcsNewName, DWORD grfFlags)
 509 {
 510     return E_NOTIMPL;
 511 }
 512
 513 static HRESULT STDMETHODCALLTYPE Storage_Commit(IStorage *This, DWORD grfCommitFlags)
 514 {
 515     return E_NOTIMPL;
 516 }
 517
 518 static HRESULT STDMETHODCALLTYPE Storage_Revert(IStorage *This)
 519 {
 520     return E_NOTIMPL;
 521 }
 522
 523 static HRESULT STDMETHODCALLTYPE Storage_EnumElements(IStorage *This, DWORD reserved1, void *reserved2, DWORD reserved3, IEnumSTATSTG **ppenum)
 524 {
 525     return E_NOTIMPL;
 526 }
 527
 528 static HRESULT STDMETHODCALLTYPE Storage_DestroyElement(IStorage *This, const OLECHAR *pwcsName)
 529 {
 530     return E_NOTIMPL;
 531 }
 532
 533 static HRESULT STDMETHODCALLTYPE Storage_RenameElement(IStorage *This, const WCHAR *pwcsOldName, const WCHAR *pwcsNewName)
 534 {
 535     return E_NOTIMPL;
 536 }
 537
 538 static HRESULT STDMETHODCALLTYPE Storage_SetElementTimes(IStorage *This, const WCHAR *pwcsName, FILETIME const *pctime, FILETIME const *patime, FILETIME const *pmtime)
 539 {
 540     return E_NOTIMPL;
 541 }
 542
 543 static HRESULT STDMETHODCALLTYPE Storage_SetClass(IStorage *This, REFCLSID clsid)
 544 {
 545     return S_OK;
 546 }
 547
 548 static HRESULT STDMETHODCALLTYPE Storage_SetStateBits(IStorage *This, DWORD grfStateBits, DWORD grfMask)
 549 {
 550     return E_NOTIMPL;
 551 }
 552
 553 static HRESULT STDMETHODCALLTYPE Storage_Stat(IStorage *This, STATSTG *pstatstg, DWORD grfStatFlag)
 554 {
 555     return E_NOTIMPL;
 556 }
 557
 558 static const IStorageVtbl MyIStorageTable =
 559 {
 560     Storage_QueryInterface,
 561     Storage_AddRef,
 562     Storage_Release,
 563     Storage_CreateStream,
 564     Storage_OpenStream,
 565     Storage_CreateStorage,
 566     Storage_OpenStorage,
 567     Storage_CopyTo,
 568     Storage_MoveElementTo,
 569     Storage_Commit,
 570     Storage_Revert,
 571     Storage_EnumElements,
 572     Storage_DestroyElement,
 573     Storage_RenameElement,
 574     Storage_SetElementTimes,
 575     Storage_SetClass,
 576     Storage_SetStateBits,
 577     Storage_Stat
 578 };
 579
 580 static IStorage MyIStorage = { &MyIStorageTable };
 581
 582 BOOL WB_EmbedBrowser(WBInfo *pWBInfo, HWND hwndParent)
 583 {
 584     IOleClientSiteImpl *iOleClientSiteImpl;
 585     IOleObject *browserObject;
 586     IWebBrowser2 *webBrowser2;
 587     HRESULT hr;
 588     RECT rc;
 589
 590     static const WCHAR hostNameW[] = {'H','o','s','t',' ','N','a','m','e',0};
 591
 592     /* clear out struct to keep from accessing invalid ptrs */
 593     ZeroMemory(pWBInfo, sizeof(WBInfo));
 594
 595     iOleClientSiteImpl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 596                                    sizeof(IOleClientSiteImpl));
 597     if (!iOleClientSiteImpl)
 598         return FALSE;
 599
 600     iOleClientSiteImpl->ref = 0;
 601     iOleClientSiteImpl->lpVtbl = &MyIOleClientSiteTable;
 602     iOleClientSiteImpl->lpvtblOleInPlaceSite = &MyIOleInPlaceSiteTable;
 603     iOleClientSiteImpl->lpvtblOleInPlaceFrame = &MyIOleInPlaceFrameTable;
 604     iOleClientSiteImpl->hwndWindow = hwndParent;
 605     iOleClientSiteImpl->lpvtblDocHostUIHandler = &MyIDocHostUIHandlerTable;
 606
 607     hr = OleCreate(&CLSID_WebBrowser, &IID_IOleObject, OLERENDER_DRAW, 0,
 608                    (IOleClientSite *)iOleClientSiteImpl, &MyIStorage,
 609                    (void **)&browserObject);
 610
 611     pWBInfo->pOleClientSite = (IOleClientSite *)iOleClientSiteImpl;
 612     pWBInfo->pBrowserObject = browserObject;
 613
 614     if (FAILED(hr)) goto error;
 615
 616     /* make the browser object accessible to the IOleClientSite implementation */
 617     iOleClientSiteImpl->pBrowserObject = browserObject;
 618     IOleObject_SetHostNames(browserObject, hostNameW, 0);
 619
 620     GetClientRect(hwndParent, &rc);
 621
 622     hr = OleSetContainedObject((struct IUnknown *)browserObject, TRUE);
 623     if (FAILED(hr)) goto error;
 624
 625     hr = IOleObject_DoVerb(browserObject, OLEIVERB_SHOW, NULL,
 626                            (IOleClientSite *)iOleClientSiteImpl,
 627                            -1, hwndParent, &rc);
 628     if (FAILED(hr)) goto error;
 629
 630
 631     hr = IOleObject_QueryInterface(browserObject, &IID_IWebBrowser2,
 632                                    (void **)&webBrowser2);
 633     if (SUCCEEDED(hr))
 634     {
 635         IWebBrowser2_put_Left(webBrowser2, 0);
 636         IWebBrowser2_put_Top(webBrowser2, 0);
 637         IWebBrowser2_put_Width(webBrowser2, rc.right);
 638         IWebBrowser2_put_Height(webBrowser2, rc.bottom);
 639
 640         pWBInfo->pWebBrowser2 = webBrowser2;
 641         pWBInfo->hwndParent = hwndParent;
 642
 643         return TRUE;
 644     }
 645
 646 error:
 647     WB_UnEmbedBrowser(pWBInfo);
 648     HeapFree(GetProcessHeap(), 0, iOleClientSiteImpl);
 649
 650     return FALSE;
 651 }
 652
 653 void WB_UnEmbedBrowser(WBInfo *pWBInfo)
 654 {
 655     if (pWBInfo->pBrowserObject)
 656     {
 657         IOleObject_Close(pWBInfo->pBrowserObject, OLECLOSE_NOSAVE);
 658         IOleObject_Release(pWBInfo->pBrowserObject);
 659         pWBInfo->pBrowserObject = NULL;
 660     }
 661
 662     if (pWBInfo->pWebBrowser2)
 663     {
 664         IWebBrowser2_Release(pWBInfo->pWebBrowser2);
 665         pWBInfo->pWebBrowser2 = NULL;
 666     }
 667
 668     if (pWBInfo->pOleClientSite)
 669     {
 670         IOleClientSite_Release(pWBInfo->pOleClientSite);
 671         pWBInfo->pOleClientSite = NULL;
 672     }
 673 }
 674
 675 BOOL WB_Navigate(WBInfo *pWBInfo, LPCWSTR szUrl)
 676 {
 677     IWebBrowser2 *pWebBrowser2 = pWBInfo->pWebBrowser2;
 678     VARIANT myURL;
 679
 680     if (!pWebBrowser2)
 681         return FALSE;
 682
 683     V_VT(&myURL) = VT_BSTR;
 684     V_BSTR(&myURL) = SysAllocString(szUrl);
 685
 686     IWebBrowser2_Navigate2(pWebBrowser2, &myURL, 0, 0, 0, 0);
 687     VariantClear(&myURL);
 688
 689     return TRUE;
 690 }
 691
 692 void WB_ResizeBrowser(WBInfo *pWBInfo, DWORD dwWidth, DWORD dwHeight)
 693 {
 694     IWebBrowser2 *pWebBrowser2 = pWBInfo->pWebBrowser2;
 695
 696     if (!pWebBrowser2)
 697         return;
 698
 699     IWebBrowser2_put_Width(pWebBrowser2, dwWidth);
 700     IWebBrowser2_put_Height(pWebBrowser2, dwHeight);
 701 }
 702
 703 void WB_DoPageAction(WBInfo *pWBInfo, DWORD dwAction)
 704 {
 705     IWebBrowser2 *pWebBrowser2 = pWBInfo->pWebBrowser2;
 706
 707     if (!pWebBrowser2)
 708         return;
 709
 710     switch (dwAction)
 711     {
 712         case WB_GOBACK:
 713             IWebBrowser2_GoBack(pWebBrowser2);
 714             break;
 715         case WB_GOFORWARD:
 716             IWebBrowser2_GoForward(pWebBrowser2);
 717             break;
 718         case WB_GOHOME:
 719             IWebBrowser2_GoHome(pWebBrowser2);
 720             break;
 721         case WB_SEARCH:
 722             IWebBrowser2_GoSearch(pWebBrowser2);
 723             break;
 724         case WB_REFRESH:
 725             IWebBrowser2_Refresh(pWebBrowser2);
 726         case WB_STOP:
 727             IWebBrowser2_Stop(pWebBrowser2);
 728     }
 729 }