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