dlls/ieframe/oleobject.c

   1 /*
   2  * Implementation of IOleObject interfaces for WebBrowser control
   3  *
   4  * - IOleObject
   5  * - IOleInPlaceObject
   6  * - IOleControl
   7  *
   8  * Copyright 2001 John R. Sheets (for CodeWeavers)
   9  * Copyright 2005 Jacek Caban
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2.1 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  24  */
  25
  26 #include <string.h>
  27
  28 #include "ieframe.h"
  29
  30 #include "htiframe.h"
  31 #include "idispids.h"
  32 #include "mshtmdid.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(ieframe);
  37
  38 /* shlwapi.dll */
  39 HWND WINAPI SHSetParentHwnd(HWND hWnd, HWND hWndParent);
  40
  41 static ATOM shell_embedding_atom = 0;
  42
  43 static LRESULT resize_window(WebBrowser *This, LONG width, LONG height)
  44 {
  45     if(This->doc_host.hwnd)
  46         SetWindowPos(This->doc_host.hwnd, NULL, 0, 0, width, height,
  47                      SWP_NOZORDER | SWP_NOACTIVATE);
  48
  49     return 0;
  50 }
  51
  52 static void notify_on_focus(WebBrowser *This, BOOL got_focus)
  53 {
  54     IOleControlSite *control_site;
  55     HRESULT hres;
  56
  57     if(!This->client)
  58         return;
  59
  60     hres = IOleClientSite_QueryInterface(This->client, &IID_IOleControlSite, (void**)&control_site);
  61     if(FAILED(hres))
  62         return;
  63
  64     IOleControlSite_OnFocus(control_site, got_focus);
  65     IOleControlSite_Release(control_site);
  66 }
  67
  68 static LRESULT WINAPI shell_embedding_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  69 {
  70     WebBrowser *This;
  71
  72     static const WCHAR wszTHIS[] = {'T','H','I','S',0};
  73
  74     if(msg == WM_CREATE) {
  75         This = *(WebBrowser**)lParam;
  76         SetPropW(hwnd, wszTHIS, This);
  77     }else {
  78         This = GetPropW(hwnd, wszTHIS);
  79     }
  80
  81     switch(msg) {
  82     case WM_SIZE:
  83         return resize_window(This, LOWORD(lParam), HIWORD(lParam));
  84     case WM_DOCHOSTTASK:
  85         return process_dochost_tasks(&This->doc_host);
  86     case WM_SETFOCUS:
  87         notify_on_focus(This, TRUE);
  88         break;
  89     case WM_KILLFOCUS:
  90         notify_on_focus(This, FALSE);
  91         break;
  92     }
  93
  94     return DefWindowProcW(hwnd, msg, wParam, lParam);
  95 }
  96
  97 static void create_shell_embedding_hwnd(WebBrowser *This)
  98 {
  99     IOleInPlaceSite *inplace;
 100     HWND parent = NULL;
 101     HRESULT hres;
 102
 103     static const WCHAR wszShellEmbedding[] =
 104         {'S','h','e','l','l',' ','E','m','b','e','d','d','i','n','g',0};
 105
 106     if(!shell_embedding_atom) {
 107         static WNDCLASSEXW wndclass = {
 108             sizeof(wndclass),
 109             CS_DBLCLKS,
 110             shell_embedding_proc,
 111             0, 0 /* native uses 8 */, NULL, NULL, NULL,
 112             (HBRUSH)(COLOR_WINDOW + 1), NULL,
 113             wszShellEmbedding,
 114             NULL
 115         };
 116         wndclass.hInstance = ieframe_instance;
 117
 118         RegisterClassExW(&wndclass);
 119     }
 120
 121     hres = IOleClientSite_QueryInterface(This->client, &IID_IOleInPlaceSite, (void**)&inplace);
 122     if(SUCCEEDED(hres)) {
 123         IOleInPlaceSite_GetWindow(inplace, &parent);
 124         IOleInPlaceSite_Release(inplace);
 125     }
 126
 127     This->doc_host.frame_hwnd = This->shell_embedding_hwnd = CreateWindowExW(
 128             WS_EX_WINDOWEDGE,
 129             wszShellEmbedding, wszShellEmbedding,
 130             WS_CLIPSIBLINGS | WS_CLIPCHILDREN
 131             | (parent ? WS_CHILD | WS_TABSTOP : WS_POPUP | WS_MAXIMIZEBOX),
 132             0, 0, 0, 0, parent,
 133             NULL, ieframe_instance, This);
 134
 135     TRACE("parent=%p hwnd=%p\n", parent, This->shell_embedding_hwnd);
 136 }
 137
 138 static HRESULT activate_inplace(WebBrowser *This, IOleClientSite *active_site)
 139 {
 140     HWND parent_hwnd;
 141     HRESULT hres;
 142
 143     if(This->inplace)
 144         return S_OK;
 145
 146     if(!active_site)
 147         return E_INVALIDARG;
 148
 149     hres = IOleClientSite_QueryInterface(active_site, &IID_IOleInPlaceSite,
 150                                          (void**)&This->inplace);
 151     if(FAILED(hres)) {
 152         WARN("Could not get IOleInPlaceSite\n");
 153         return hres;
 154     }
 155
 156     hres = IOleInPlaceSiteEx_CanInPlaceActivate(This->inplace);
 157     if(hres != S_OK) {
 158         WARN("CanInPlaceActivate returned: %08x\n", hres);
 159         IOleInPlaceSiteEx_Release(This->inplace);
 160         This->inplace = NULL;
 161         return E_FAIL;
 162     }
 163
 164     hres = IOleInPlaceSiteEx_GetWindow(This->inplace, &parent_hwnd);
 165     if(SUCCEEDED(hres))
 166         SHSetParentHwnd(This->shell_embedding_hwnd, parent_hwnd);
 167
 168     IOleInPlaceSiteEx_OnInPlaceActivate(This->inplace);
 169
 170     This->frameinfo.cb = sizeof(OLEINPLACEFRAMEINFO);
 171     IOleInPlaceSiteEx_GetWindowContext(This->inplace, &This->doc_host.frame, &This->uiwindow,
 172                                        &This->pos_rect, &This->clip_rect,
 173                                        &This->frameinfo);
 174
 175     SetWindowPos(This->shell_embedding_hwnd, NULL,
 176                  This->pos_rect.left, This->pos_rect.top,
 177                  This->pos_rect.right-This->pos_rect.left,
 178                  This->pos_rect.bottom-This->pos_rect.top,
 179                  SWP_NOZORDER | SWP_SHOWWINDOW);
 180
 181     if(This->client) {
 182         IOleContainer *container;
 183
 184         IOleClientSite_ShowObject(This->client);
 185
 186         hres = IOleClientSite_GetContainer(This->client, &container);
 187         if(SUCCEEDED(hres)) {
 188             if(This->container)
 189                 IOleContainer_Release(This->container);
 190             This->container = container;
 191         }
 192     }
 193
 194     if(This->doc_host.frame)
 195         IOleInPlaceFrame_GetWindow(This->doc_host.frame, &This->frame_hwnd);
 196
 197     return S_OK;
 198 }
 199
 200 static HRESULT activate_ui(WebBrowser *This, IOleClientSite *active_site)
 201 {
 202     HRESULT hres;
 203
 204     static const WCHAR wszitem[] = {'i','t','e','m',0};
 205
 206     if(This->inplace)
 207     {
 208         if(This->shell_embedding_hwnd)
 209             ShowWindow(This->shell_embedding_hwnd, SW_SHOW);
 210         return S_OK;
 211     }
 212
 213     hres = activate_inplace(This, active_site);
 214     if(FAILED(hres))
 215         return hres;
 216
 217     IOleInPlaceSiteEx_OnUIActivate(This->inplace);
 218
 219     if(This->doc_host.frame)
 220         IOleInPlaceFrame_SetActiveObject(This->doc_host.frame, &This->IOleInPlaceActiveObject_iface, wszitem);
 221     if(This->uiwindow)
 222         IOleInPlaceUIWindow_SetActiveObject(This->uiwindow, &This->IOleInPlaceActiveObject_iface, wszitem);
 223
 224     if(This->doc_host.frame)
 225         IOleInPlaceFrame_SetMenu(This->doc_host.frame, NULL, NULL, This->shell_embedding_hwnd);
 226
 227     SetFocus(This->shell_embedding_hwnd);
 228     notify_on_focus(This, TRUE);
 229
 230     return S_OK;
 231 }
 232
 233 static HRESULT get_client_disp_property(IOleClientSite *client, DISPID dispid, VARIANT *res)
 234 {
 235     IDispatch *disp = NULL;
 236     DISPPARAMS dispparams = {NULL, 0};
 237     HRESULT hres;
 238
 239     VariantInit(res);
 240
 241     if(!client)
 242         return S_OK;
 243
 244     hres = IOleClientSite_QueryInterface(client, &IID_IDispatch, (void**)&disp);
 245     if(FAILED(hres)) {
 246         TRACE("Could not get IDispatch\n");
 247         return hres;
 248     }
 249
 250     hres = IDispatch_Invoke(disp, dispid, &IID_NULL, LOCALE_SYSTEM_DEFAULT,
 251             DISPATCH_PROPERTYGET, &dispparams, res, NULL, NULL);
 252
 253     IDispatch_Release(disp);
 254
 255     return hres;
 256 }
 257
 258 static HRESULT on_offlineconnected_change(WebBrowser *This)
 259 {
 260     VARIANT offline;
 261
 262     get_client_disp_property(This->client, DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
 263
 264     if(V_VT(&offline) == VT_BOOL)
 265         IWebBrowser2_put_Offline(&This->IWebBrowser2_iface, V_BOOL(&offline));
 266     else if(V_VT(&offline) != VT_EMPTY)
 267         WARN("wrong V_VT(silent) %d\n", V_VT(&offline));
 268
 269     return S_OK;
 270 }
 271
 272 static HRESULT on_silent_change(WebBrowser *This)
 273 {
 274     VARIANT silent;
 275
 276     get_client_disp_property(This->client, DISPID_AMBIENT_SILENT, &silent);
 277
 278     if(V_VT(&silent) == VT_BOOL)
 279         IWebBrowser2_put_Silent(&This->IWebBrowser2_iface, V_BOOL(&silent));
 280     else if(V_VT(&silent) != VT_EMPTY)
 281         WARN("wrong V_VT(silent) %d\n", V_VT(&silent));
 282
 283     return S_OK;
 284 }
 285
 286 static void release_client_site(WebBrowser *This)
 287 {
 288     release_dochost_client(&This->doc_host);
 289
 290     if(This->client) {
 291         IOleClientSite_Release(This->client);
 292         This->client = NULL;
 293     }
 294
 295     if(This->shell_embedding_hwnd) {
 296         DestroyWindow(This->shell_embedding_hwnd);
 297         This->shell_embedding_hwnd = NULL;
 298     }
 299
 300     if(This->inplace) {
 301         IOleInPlaceSiteEx_Release(This->inplace);
 302         This->inplace = NULL;
 303     }
 304
 305     if(This->container) {
 306         IOleContainer_Release(This->container);
 307         This->container = NULL;
 308     }
 309
 310     if(This->uiwindow) {
 311         IOleInPlaceUIWindow_Release(This->uiwindow);
 312         This->uiwindow = NULL;
 313     }
 314
 315     if(This->sink) {
 316         IAdviseSink_Release(This->sink);
 317         This->sink = NULL;
 318     }
 319 }
 320
 321 typedef struct {
 322     IEnumOLEVERB IEnumOLEVERB_iface;
 323     LONG ref;
 324     LONG iter;
 325 } EnumOLEVERB;
 326
 327 static inline EnumOLEVERB *impl_from_IEnumOLEVERB(IEnumOLEVERB *iface)
 328 {
 329     return CONTAINING_RECORD(iface, EnumOLEVERB, IEnumOLEVERB_iface);
 330 }
 331
 332 static HRESULT WINAPI EnumOLEVERB_QueryInterface(IEnumOLEVERB *iface, REFIID riid, void **ppv)
 333 {
 334     EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
 335
 336     if(IsEqualGUID(&IID_IUnknown, riid)) {
 337         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 338         *ppv = &This->IEnumOLEVERB_iface;
 339     }else if(IsEqualGUID(&IID_IEnumOLEVERB, riid)) {
 340         TRACE("(%p)->(IID_IEnumOLEVERB %p)\n", This, ppv);
 341         *ppv = &This->IEnumOLEVERB_iface;
 342     }else {
 343         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 344         *ppv = NULL;
 345         return E_NOINTERFACE;
 346     }
 347
 348     IUnknown_AddRef((IUnknown*)*ppv);
 349     return S_OK;
 350 }
 351
 352 static ULONG WINAPI EnumOLEVERB_AddRef(IEnumOLEVERB *iface)
 353 {
 354     EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
 355     LONG ref = InterlockedIncrement(&This->ref);
 356
 357     TRACE("(%p) ref=%d\n", This, ref);
 358
 359     return ref;
 360 }
 361
 362 static ULONG WINAPI EnumOLEVERB_Release(IEnumOLEVERB *iface)
 363 {
 364     EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
 365     LONG ref = InterlockedDecrement(&This->ref);
 366
 367     TRACE("(%p) ref=%d\n", This, ref);
 368
 369     if(!ref)
 370         heap_free(This);
 371
 372     return ref;
 373 }
 374
 375 static HRESULT WINAPI EnumOLEVERB_Next(IEnumOLEVERB *iface, ULONG celt, OLEVERB *rgelt, ULONG *pceltFetched)
 376 {
 377     EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
 378
 379     static const OLEVERB verbs[] =
 380         {{OLEIVERB_PRIMARY},{OLEIVERB_INPLACEACTIVATE},{OLEIVERB_UIACTIVATE},{OLEIVERB_SHOW},{OLEIVERB_HIDE}};
 381
 382     TRACE("(%p)->(%u %p %p)\n", This, celt, rgelt, pceltFetched);
 383
 384     /* There are a few problems with this implementation, but that's how it seems to work in native. See tests. */
 385     if(pceltFetched)
 386         *pceltFetched = 0;
 387
 388     if(This->iter == sizeof(verbs)/sizeof(*verbs))
 389         return S_FALSE;
 390
 391     if(celt)
 392         *rgelt = verbs[This->iter++];
 393     return S_OK;
 394 }
 395
 396 static HRESULT WINAPI EnumOLEVERB_Skip(IEnumOLEVERB *iface, ULONG celt)
 397 {
 398     EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
 399     TRACE("(%p)->(%u)\n", This, celt);
 400     return S_OK;
 401 }
 402
 403 static HRESULT WINAPI EnumOLEVERB_Reset(IEnumOLEVERB *iface)
 404 {
 405     EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
 406
 407     TRACE("(%p)\n", This);
 408
 409     This->iter = 0;
 410     return S_OK;
 411 }
 412
 413 static HRESULT WINAPI EnumOLEVERB_Clone(IEnumOLEVERB *iface, IEnumOLEVERB **ppenum)
 414 {
 415     EnumOLEVERB *This = impl_from_IEnumOLEVERB(iface);
 416     FIXME("(%p)->(%p)\n", This, ppenum);
 417     return E_NOTIMPL;
 418 }
 419
 420 static const IEnumOLEVERBVtbl EnumOLEVERBVtbl = {
 421     EnumOLEVERB_QueryInterface,
 422     EnumOLEVERB_AddRef,
 423     EnumOLEVERB_Release,
 424     EnumOLEVERB_Next,
 425     EnumOLEVERB_Skip,
 426     EnumOLEVERB_Reset,
 427     EnumOLEVERB_Clone
 428 };
 429
 430 /**********************************************************************
 431  * Implement the IOleObject interface for the WebBrowser control
 432  */
 433
 434 static inline WebBrowser *impl_from_IOleObject(IOleObject *iface)
 435 {
 436     return CONTAINING_RECORD(iface, WebBrowser, IOleObject_iface);
 437 }
 438
 439 static HRESULT WINAPI OleObject_QueryInterface(IOleObject *iface, REFIID riid, void **ppv)
 440 {
 441     WebBrowser *This = impl_from_IOleObject(iface);
 442     return IWebBrowser2_QueryInterface(&This->IWebBrowser2_iface, riid, ppv);
 443 }
 444
 445 static ULONG WINAPI OleObject_AddRef(IOleObject *iface)
 446 {
 447     WebBrowser *This = impl_from_IOleObject(iface);
 448     return IWebBrowser2_AddRef(&This->IWebBrowser2_iface);
 449 }
 450
 451 static ULONG WINAPI OleObject_Release(IOleObject *iface)
 452 {
 453     WebBrowser *This = impl_from_IOleObject(iface);
 454     return IWebBrowser2_Release(&This->IWebBrowser2_iface);
 455 }
 456
 457 static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, LPOLECLIENTSITE pClientSite)
 458 {
 459     WebBrowser *This = impl_from_IOleObject(iface);
 460     IDocHostUIHandler *hostui;
 461     IOleCommandTarget *olecmd;
 462     IOleContainer *container;
 463     IDispatch *disp;
 464     HRESULT hres;
 465
 466     TRACE("(%p)->(%p)\n", This, pClientSite);
 467
 468     if(This->client == pClientSite)
 469         return S_OK;
 470
 471     release_client_site(This);
 472
 473     if(!pClientSite) {
 474         on_commandstate_change(&This->doc_host, CSC_NAVIGATEBACK, VARIANT_FALSE);
 475         on_commandstate_change(&This->doc_host, CSC_NAVIGATEFORWARD, VARIANT_FALSE);
 476
 477         if(This->doc_host.document)
 478             deactivate_document(&This->doc_host);
 479         return S_OK;
 480     }
 481
 482     IOleClientSite_AddRef(pClientSite);
 483     This->client = pClientSite;
 484
 485     hres = IOleClientSite_QueryInterface(This->client, &IID_IDispatch,
 486             (void**)&disp);
 487     if(SUCCEEDED(hres))
 488         This->doc_host.client_disp = disp;
 489
 490     hres = IOleClientSite_QueryInterface(This->client, &IID_IDocHostUIHandler,
 491             (void**)&hostui);
 492     if(SUCCEEDED(hres))
 493         This->doc_host.hostui = hostui;
 494
 495     hres = IOleClientSite_GetContainer(This->client, &container);
 496     if(SUCCEEDED(hres)) {
 497         ITargetContainer *target_container;
 498
 499         hres = IOleContainer_QueryInterface(container, &IID_ITargetContainer,
 500                                             (void**)&target_container);
 501         if(SUCCEEDED(hres)) {
 502             FIXME("Unsupported ITargetContainer\n");
 503             ITargetContainer_Release(target_container);
 504         }
 505
 506         hres = IOleContainer_QueryInterface(container, &IID_IOleCommandTarget, (void**)&olecmd);
 507         if(FAILED(hres))
 508             olecmd = NULL;
 509
 510         IOleContainer_Release(container);
 511     }else {
 512         hres = IOleClientSite_QueryInterface(This->client, &IID_IOleCommandTarget, (void**)&olecmd);
 513         if(FAILED(hres))
 514             olecmd = NULL;
 515     }
 516
 517     This->doc_host.olecmd = olecmd;
 518
 519     create_shell_embedding_hwnd(This);
 520
 521     on_offlineconnected_change(This);
 522     on_silent_change(This);
 523
 524     return S_OK;
 525 }
 526
 527 static HRESULT WINAPI OleObject_GetClientSite(IOleObject *iface, LPOLECLIENTSITE *ppClientSite)
 528 {
 529     WebBrowser *This = impl_from_IOleObject(iface);
 530
 531     TRACE("(%p)->(%p)\n", This, ppClientSite);
 532
 533     if(!ppClientSite)
 534         return E_INVALIDARG;
 535
 536     if(This->client)
 537         IOleClientSite_AddRef(This->client);
 538     *ppClientSite = This->client;
 539
 540     return S_OK;
 541 }
 542
 543 static HRESULT WINAPI OleObject_SetHostNames(IOleObject *iface, LPCOLESTR szContainerApp,
 544         LPCOLESTR szContainerObj)
 545 {
 546     WebBrowser *This = impl_from_IOleObject(iface);
 547
 548     TRACE("(%p)->(%s, %s)\n", This, debugstr_w(szContainerApp), debugstr_w(szContainerObj));
 549
 550     /* We have nothing to do here. */
 551     return S_OK;
 552 }
 553
 554 static HRESULT WINAPI OleObject_Close(IOleObject *iface, DWORD dwSaveOption)
 555 {
 556     WebBrowser *This = impl_from_IOleObject(iface);
 557
 558     TRACE("(%p)->(%d)\n", This, dwSaveOption);
 559
 560     if(dwSaveOption != OLECLOSE_NOSAVE) {
 561         FIXME("unimplemented flag: %x\n", dwSaveOption);
 562         return E_NOTIMPL;
 563     }
 564
 565     if(This->doc_host.frame)
 566         IOleInPlaceFrame_SetActiveObject(This->doc_host.frame, NULL, NULL);
 567
 568     if(This->uiwindow)
 569         IOleInPlaceUIWindow_SetActiveObject(This->uiwindow, NULL, NULL);
 570
 571     if(This->inplace)
 572         IOleInPlaceSiteEx_OnUIDeactivate(This->inplace, FALSE);
 573     notify_on_focus(This, FALSE);
 574     if(This->inplace)
 575         IOleInPlaceSiteEx_OnInPlaceDeactivate(This->inplace);
 576
 577     return IOleObject_SetClientSite(iface, NULL);
 578 }
 579
 580 static HRESULT WINAPI OleObject_SetMoniker(IOleObject *iface, DWORD dwWhichMoniker, IMoniker* pmk)
 581 {
 582     WebBrowser *This = impl_from_IOleObject(iface);
 583     FIXME("(%p)->(%d, %p)\n", This, dwWhichMoniker, pmk);
 584     return E_NOTIMPL;
 585 }
 586
 587 static HRESULT WINAPI OleObject_GetMoniker(IOleObject *iface, DWORD dwAssign,
 588         DWORD dwWhichMoniker, LPMONIKER *ppmk)
 589 {
 590     WebBrowser *This = impl_from_IOleObject(iface);
 591     FIXME("(%p)->(%d, %d, %p)\n", This, dwAssign, dwWhichMoniker, ppmk);
 592     return E_NOTIMPL;
 593 }
 594
 595 static HRESULT WINAPI OleObject_InitFromData(IOleObject *iface, LPDATAOBJECT pDataObject,
 596         BOOL fCreation, DWORD dwReserved)
 597 {
 598     WebBrowser *This = impl_from_IOleObject(iface);
 599     FIXME("(%p)->(%p, %d, %d)\n", This, pDataObject, fCreation, dwReserved);
 600     return E_NOTIMPL;
 601 }
 602
 603 static HRESULT WINAPI OleObject_GetClipboardData(IOleObject *iface, DWORD dwReserved,
 604         LPDATAOBJECT *ppDataObject)
 605 {
 606     WebBrowser *This = impl_from_IOleObject(iface);
 607     FIXME("(%p)->(%d, %p)\n", This, dwReserved, ppDataObject);
 608     return E_NOTIMPL;
 609 }
 610
 611 static HRESULT WINAPI OleObject_DoVerb(IOleObject *iface, LONG iVerb, struct tagMSG* lpmsg,
 612         LPOLECLIENTSITE pActiveSite, LONG lindex, HWND hwndParent, LPCRECT lprcPosRect)
 613 {
 614     WebBrowser *This = impl_from_IOleObject(iface);
 615
 616     TRACE("(%p)->(%d %p %p %d %p %s)\n", This, iVerb, lpmsg, pActiveSite, lindex, hwndParent,
 617           wine_dbgstr_rect(lprcPosRect));
 618
 619     switch (iVerb)
 620     {
 621     case OLEIVERB_SHOW:
 622         TRACE("OLEIVERB_SHOW\n");
 623         return activate_ui(This, pActiveSite);
 624     case OLEIVERB_UIACTIVATE:
 625         TRACE("OLEIVERB_UIACTIVATE\n");
 626         return activate_ui(This, pActiveSite);
 627     case OLEIVERB_INPLACEACTIVATE:
 628         TRACE("OLEIVERB_INPLACEACTIVATE\n");
 629         return activate_inplace(This, pActiveSite);
 630     case OLEIVERB_HIDE:
 631         TRACE("OLEIVERB_HIDE\n");
 632         if(This->inplace)
 633             IOleInPlaceSiteEx_OnInPlaceDeactivate(This->inplace);
 634         if(This->shell_embedding_hwnd)
 635             ShowWindow(This->shell_embedding_hwnd, SW_HIDE);
 636         return S_OK;
 637     default:
 638         FIXME("stub for %d\n", iVerb);
 639         break;
 640     }
 641
 642     return E_NOTIMPL;
 643 }
 644
 645 static HRESULT WINAPI OleObject_EnumVerbs(IOleObject *iface, IEnumOLEVERB **ppEnumOleVerb)
 646 {
 647     WebBrowser *This = impl_from_IOleObject(iface);
 648     EnumOLEVERB *ret;
 649
 650     TRACE("(%p)->(%p)\n", This, ppEnumOleVerb);
 651
 652     ret = heap_alloc(sizeof(*ret));
 653     if(!ret)
 654         return E_OUTOFMEMORY;
 655
 656     ret->IEnumOLEVERB_iface.lpVtbl = &EnumOLEVERBVtbl;
 657     ret->ref = 1;
 658     ret->iter = 0;
 659
 660     *ppEnumOleVerb = &ret->IEnumOLEVERB_iface;
 661     return S_OK;
 662 }
 663
 664 static HRESULT WINAPI OleObject_Update(IOleObject *iface)
 665 {
 666     WebBrowser *This = impl_from_IOleObject(iface);
 667     FIXME("(%p)\n", This);
 668     return E_NOTIMPL;
 669 }
 670
 671 static HRESULT WINAPI OleObject_IsUpToDate(IOleObject *iface)
 672 {
 673     WebBrowser *This = impl_from_IOleObject(iface);
 674     FIXME("(%p)\n", This);
 675     return E_NOTIMPL;
 676 }
 677
 678 static HRESULT WINAPI OleObject_GetUserClassID(IOleObject *iface, CLSID* pClsid)
 679 {
 680     WebBrowser *This = impl_from_IOleObject(iface);
 681     FIXME("(%p)->(%p)\n", This, pClsid);
 682     return E_NOTIMPL;
 683 }
 684
 685 static HRESULT WINAPI OleObject_GetUserType(IOleObject *iface, DWORD dwFormOfType,
 686         LPOLESTR* pszUserType)
 687 {
 688     WebBrowser *This = impl_from_IOleObject(iface);
 689     TRACE("(%p, %d, %p)\n", This, dwFormOfType, pszUserType);
 690     return OleRegGetUserType(&CLSID_WebBrowser, dwFormOfType, pszUserType);
 691 }
 692
 693 static HRESULT WINAPI OleObject_SetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
 694 {
 695     WebBrowser *This = impl_from_IOleObject(iface);
 696
 697     TRACE("(%p)->(%x %p)\n", This, dwDrawAspect, psizel);
 698
 699     /* Tests show that dwDrawAspect is ignored */
 700     This->extent = *psizel;
 701     return S_OK;
 702 }
 703
 704 static HRESULT WINAPI OleObject_GetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
 705 {
 706     WebBrowser *This = impl_from_IOleObject(iface);
 707
 708     TRACE("(%p)->(%x, %p)\n", This, dwDrawAspect, psizel);
 709
 710     /* Tests show that dwDrawAspect is ignored */
 711     *psizel = This->extent;
 712     return S_OK;
 713 }
 714
 715 static HRESULT WINAPI OleObject_Advise(IOleObject *iface, IAdviseSink *pAdvSink,
 716         DWORD* pdwConnection)
 717 {
 718     WebBrowser *This = impl_from_IOleObject(iface);
 719     FIXME("(%p)->(%p, %p)\n", This, pAdvSink, pdwConnection);
 720     return E_NOTIMPL;
 721 }
 722
 723 static HRESULT WINAPI OleObject_Unadvise(IOleObject *iface, DWORD dwConnection)
 724 {
 725     WebBrowser *This = impl_from_IOleObject(iface);
 726     FIXME("(%p)->(%d)\n", This, dwConnection);
 727     return E_NOTIMPL;
 728 }
 729
 730 static HRESULT WINAPI OleObject_EnumAdvise(IOleObject *iface, IEnumSTATDATA **ppenumAdvise)
 731 {
 732     WebBrowser *This = impl_from_IOleObject(iface);
 733     FIXME("(%p)->(%p)\n", This, ppenumAdvise);
 734     return S_OK;
 735 }
 736
 737 static HRESULT WINAPI OleObject_GetMiscStatus(IOleObject *iface, DWORD dwAspect, DWORD *pdwStatus)
 738 {
 739     WebBrowser *This = impl_from_IOleObject(iface);
 740
 741     TRACE("(%p)->(%x, %p)\n", This, dwAspect, pdwStatus);
 742
 743     *pdwStatus = OLEMISC_SETCLIENTSITEFIRST|OLEMISC_ACTIVATEWHENVISIBLE|OLEMISC_INSIDEOUT
 744         |OLEMISC_CANTLINKINSIDE|OLEMISC_RECOMPOSEONRESIZE;
 745
 746     return S_OK;
 747 }
 748
 749 static HRESULT WINAPI OleObject_SetColorScheme(IOleObject *iface, LOGPALETTE* pLogpal)
 750 {
 751     WebBrowser *This = impl_from_IOleObject(iface);
 752     FIXME("(%p)->(%p)\n", This, pLogpal);
 753     return E_NOTIMPL;
 754 }
 755
 756 static const IOleObjectVtbl OleObjectVtbl =
 757 {
 758     OleObject_QueryInterface,
 759     OleObject_AddRef,
 760     OleObject_Release,
 761     OleObject_SetClientSite,
 762     OleObject_GetClientSite,
 763     OleObject_SetHostNames,
 764     OleObject_Close,
 765     OleObject_SetMoniker,
 766     OleObject_GetMoniker,
 767     OleObject_InitFromData,
 768     OleObject_GetClipboardData,
 769     OleObject_DoVerb,
 770     OleObject_EnumVerbs,
 771     OleObject_Update,
 772     OleObject_IsUpToDate,
 773     OleObject_GetUserClassID,
 774     OleObject_GetUserType,
 775     OleObject_SetExtent,
 776     OleObject_GetExtent,
 777     OleObject_Advise,
 778     OleObject_Unadvise,
 779     OleObject_EnumAdvise,
 780     OleObject_GetMiscStatus,
 781     OleObject_SetColorScheme
 782 };
 783
 784 /**********************************************************************
 785  * Implement the IOleInPlaceObject interface
 786  */
 787
 788 static inline WebBrowser *impl_from_IOleInPlaceObject(IOleInPlaceObject *iface)
 789 {
 790     return CONTAINING_RECORD(iface, WebBrowser, IOleInPlaceObject_iface);
 791 }
 792
 793 static HRESULT WINAPI OleInPlaceObject_QueryInterface(IOleInPlaceObject *iface,
 794         REFIID riid, LPVOID *ppobj)
 795 {
 796     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 797     return IWebBrowser2_QueryInterface(&This->IWebBrowser2_iface, riid, ppobj);
 798 }
 799
 800 static ULONG WINAPI OleInPlaceObject_AddRef(IOleInPlaceObject *iface)
 801 {
 802     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 803     return IWebBrowser2_AddRef(&This->IWebBrowser2_iface);
 804 }
 805
 806 static ULONG WINAPI OleInPlaceObject_Release(IOleInPlaceObject *iface)
 807 {
 808     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 809     return IWebBrowser2_Release(&This->IWebBrowser2_iface);
 810 }
 811
 812 static HRESULT WINAPI OleInPlaceObject_GetWindow(IOleInPlaceObject *iface, HWND* phwnd)
 813 {
 814     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 815
 816     TRACE("(%p)->(%p)\n", This, phwnd);
 817
 818     *phwnd = This->shell_embedding_hwnd;
 819     return S_OK;
 820 }
 821
 822 static HRESULT WINAPI OleInPlaceObject_ContextSensitiveHelp(IOleInPlaceObject *iface,
 823         BOOL fEnterMode)
 824 {
 825     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 826     FIXME("(%p)->(%x)\n", This, fEnterMode);
 827     return E_NOTIMPL;
 828 }
 829
 830 static HRESULT WINAPI OleInPlaceObject_InPlaceDeactivate(IOleInPlaceObject *iface)
 831 {
 832     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 833     FIXME("(%p)\n", This);
 834
 835     if(This->inplace) {
 836         IOleInPlaceSiteEx_Release(This->inplace);
 837         This->inplace = NULL;
 838     }
 839
 840     return S_OK;
 841 }
 842
 843 static HRESULT WINAPI OleInPlaceObject_UIDeactivate(IOleInPlaceObject *iface)
 844 {
 845     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 846     FIXME("(%p)\n", This);
 847     return E_NOTIMPL;
 848 }
 849
 850 static HRESULT WINAPI OleInPlaceObject_SetObjectRects(IOleInPlaceObject *iface,
 851         LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 852 {
 853     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 854
 855     TRACE("(%p)->(%s %s)\n", This, wine_dbgstr_rect(lprcPosRect), wine_dbgstr_rect(lprcClipRect));
 856
 857     This->pos_rect = *lprcPosRect;
 858
 859     if(lprcClipRect)
 860         This->clip_rect = *lprcClipRect;
 861
 862     if(This->shell_embedding_hwnd) {
 863         SetWindowPos(This->shell_embedding_hwnd, NULL,
 864                      lprcPosRect->left, lprcPosRect->top,
 865                      lprcPosRect->right-lprcPosRect->left,
 866                      lprcPosRect->bottom-lprcPosRect->top,
 867                      SWP_NOZORDER | SWP_NOACTIVATE);
 868     }
 869
 870     return S_OK;
 871 }
 872
 873 static HRESULT WINAPI OleInPlaceObject_ReactivateAndUndo(IOleInPlaceObject *iface)
 874 {
 875     WebBrowser *This = impl_from_IOleInPlaceObject(iface);
 876     FIXME("(%p)\n", This);
 877     return E_NOTIMPL;
 878 }
 879
 880 static const IOleInPlaceObjectVtbl OleInPlaceObjectVtbl =
 881 {
 882     OleInPlaceObject_QueryInterface,
 883     OleInPlaceObject_AddRef,
 884     OleInPlaceObject_Release,
 885     OleInPlaceObject_GetWindow,
 886     OleInPlaceObject_ContextSensitiveHelp,
 887     OleInPlaceObject_InPlaceDeactivate,
 888     OleInPlaceObject_UIDeactivate,
 889     OleInPlaceObject_SetObjectRects,
 890     OleInPlaceObject_ReactivateAndUndo
 891 };
 892
 893 /**********************************************************************
 894  * Implement the IOleControl interface
 895  */
 896
 897 static inline WebBrowser *impl_from_IOleControl(IOleControl *iface)
 898 {
 899     return CONTAINING_RECORD(iface, WebBrowser, IOleControl_iface);
 900 }
 901
 902 static HRESULT WINAPI OleControl_QueryInterface(IOleControl *iface,
 903         REFIID riid, LPVOID *ppobj)
 904 {
 905     WebBrowser *This = impl_from_IOleControl(iface);
 906     return IWebBrowser2_QueryInterface(&This->IWebBrowser2_iface, riid, ppobj);
 907 }
 908
 909 static ULONG WINAPI OleControl_AddRef(IOleControl *iface)
 910 {
 911     WebBrowser *This = impl_from_IOleControl(iface);
 912     return IWebBrowser2_AddRef(&This->IWebBrowser2_iface);
 913 }
 914
 915 static ULONG WINAPI OleControl_Release(IOleControl *iface)
 916 {
 917     WebBrowser *This = impl_from_IOleControl(iface);
 918     return IWebBrowser2_Release(&This->IWebBrowser2_iface);
 919 }
 920
 921 static HRESULT WINAPI OleControl_GetControlInfo(IOleControl *iface, LPCONTROLINFO pCI)
 922 {
 923     WebBrowser *This = impl_from_IOleControl(iface);
 924
 925     TRACE("(%p)->(%p)\n", This, pCI);
 926
 927     /* Tests show that this function should be not implemented */
 928     return E_NOTIMPL;
 929 }
 930
 931 static HRESULT WINAPI OleControl_OnMnemonic(IOleControl *iface, struct tagMSG *pMsg)
 932 {
 933     WebBrowser *This = impl_from_IOleControl(iface);
 934     FIXME("(%p)->(%p)\n", This, pMsg);
 935     return E_NOTIMPL;
 936 }
 937
 938 static HRESULT WINAPI OleControl_OnAmbientPropertyChange(IOleControl *iface, DISPID dispID)
 939 {
 940     WebBrowser *This = impl_from_IOleControl(iface);
 941
 942     TRACE("(%p)->(%d)\n", This, dispID);
 943
 944     switch(dispID) {
 945     case DISPID_UNKNOWN:
 946         /* Unknown means multiple properties changed, so check them all.
 947          * BUT the Webbrowser OleControl object doesn't appear to do this.
 948          */
 949         return S_OK;
 950     case DISPID_AMBIENT_DLCONTROL:
 951         return S_OK;
 952     case DISPID_AMBIENT_OFFLINEIFNOTCONNECTED:
 953         return on_offlineconnected_change(This);
 954     case DISPID_AMBIENT_SILENT:
 955         return on_silent_change(This);
 956     }
 957
 958     FIXME("Unknown dispID %d\n", dispID);
 959     return E_NOTIMPL;
 960 }
 961
 962 static HRESULT WINAPI OleControl_FreezeEvents(IOleControl *iface, BOOL bFreeze)
 963 {
 964     WebBrowser *This = impl_from_IOleControl(iface);
 965     FIXME("(%p)->(%x)\n", This, bFreeze);
 966     return E_NOTIMPL;
 967 }
 968
 969 static const IOleControlVtbl OleControlVtbl =
 970 {
 971     OleControl_QueryInterface,
 972     OleControl_AddRef,
 973     OleControl_Release,
 974     OleControl_GetControlInfo,
 975     OleControl_OnMnemonic,
 976     OleControl_OnAmbientPropertyChange,
 977     OleControl_FreezeEvents
 978 };
 979
 980 static inline WebBrowser *impl_from_IOleInPlaceActiveObject(IOleInPlaceActiveObject *iface)
 981 {
 982     return CONTAINING_RECORD(iface, WebBrowser, IOleInPlaceActiveObject_iface);
 983 }
 984
 985 static HRESULT WINAPI InPlaceActiveObject_QueryInterface(IOleInPlaceActiveObject *iface,
 986         REFIID riid, void **ppv)
 987 {
 988     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
 989     return IWebBrowser2_QueryInterface(&This->IWebBrowser2_iface, riid, ppv);
 990 }
 991
 992 static ULONG WINAPI InPlaceActiveObject_AddRef(IOleInPlaceActiveObject *iface)
 993 {
 994     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
 995     return IWebBrowser2_AddRef(&This->IWebBrowser2_iface);
 996 }
 997
 998 static ULONG WINAPI InPlaceActiveObject_Release(IOleInPlaceActiveObject *iface)
 999 {
1000     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1001     return IWebBrowser2_Release(&This->IWebBrowser2_iface);
1002 }
1003
1004 static HRESULT WINAPI InPlaceActiveObject_GetWindow(IOleInPlaceActiveObject *iface,
1005                                                     HWND *phwnd)
1006 {
1007     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1008     return IOleInPlaceObject_GetWindow(&This->IOleInPlaceObject_iface, phwnd);
1009 }
1010
1011 static HRESULT WINAPI InPlaceActiveObject_ContextSensitiveHelp(IOleInPlaceActiveObject *iface,
1012                                                                BOOL fEnterMode)
1013 {
1014     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1015     return IOleInPlaceObject_ContextSensitiveHelp(&This->IOleInPlaceObject_iface, fEnterMode);
1016 }
1017
1018 static HRESULT WINAPI InPlaceActiveObject_TranslateAccelerator(IOleInPlaceActiveObject *iface,
1019                                                                LPMSG lpmsg)
1020 {
1021     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1022     IOleInPlaceActiveObject *activeobj;
1023     HRESULT hr = S_FALSE;
1024
1025     TRACE("(%p)->(%p)\n", This, lpmsg);
1026
1027     if(This->doc_host.document) {
1028         if(SUCCEEDED(IUnknown_QueryInterface(This->doc_host.document,
1029                                              &IID_IOleInPlaceActiveObject,
1030                                              (void**)&activeobj))) {
1031             hr = IOleInPlaceActiveObject_TranslateAccelerator(activeobj, lpmsg);
1032             IOleInPlaceActiveObject_Release(activeobj);
1033         }
1034     }
1035
1036     if(SUCCEEDED(hr))
1037         return hr;
1038     else
1039         return S_FALSE;
1040 }
1041
1042 static HRESULT WINAPI InPlaceActiveObject_OnFrameWindowActivate(IOleInPlaceActiveObject *iface,
1043                                                                 BOOL fActivate)
1044 {
1045     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1046     FIXME("(%p)->(%x)\n", This, fActivate);
1047     return E_NOTIMPL;
1048 }
1049
1050 static HRESULT WINAPI InPlaceActiveObject_OnDocWindowActivate(IOleInPlaceActiveObject *iface,
1051                                                               BOOL fActivate)
1052 {
1053     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1054     FIXME("(%p)->(%x)\n", This, fActivate);
1055     return E_NOTIMPL;
1056 }
1057
1058 static HRESULT WINAPI InPlaceActiveObject_ResizeBorder(IOleInPlaceActiveObject *iface,
1059         LPCRECT lprcBorder, IOleInPlaceUIWindow *pUIWindow, BOOL fFrameWindow)
1060 {
1061     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1062     FIXME("(%p)->(%p %p %x)\n", This, lprcBorder, pUIWindow, fFrameWindow);
1063     return E_NOTIMPL;
1064 }
1065
1066 static HRESULT WINAPI InPlaceActiveObject_EnableModeless(IOleInPlaceActiveObject *iface,
1067                                                          BOOL fEnable)
1068 {
1069     WebBrowser *This = impl_from_IOleInPlaceActiveObject(iface);
1070     FIXME("(%p)->(%x)\n", This, fEnable);
1071     return E_NOTIMPL;
1072 }
1073
1074 static const IOleInPlaceActiveObjectVtbl OleInPlaceActiveObjectVtbl = {
1075     InPlaceActiveObject_QueryInterface,
1076     InPlaceActiveObject_AddRef,
1077     InPlaceActiveObject_Release,
1078     InPlaceActiveObject_GetWindow,
1079     InPlaceActiveObject_ContextSensitiveHelp,
1080     InPlaceActiveObject_TranslateAccelerator,
1081     InPlaceActiveObject_OnFrameWindowActivate,
1082     InPlaceActiveObject_OnDocWindowActivate,
1083     InPlaceActiveObject_ResizeBorder,
1084     InPlaceActiveObject_EnableModeless
1085 };
1086
1087 static inline WebBrowser *impl_from_IOleCommandTarget(IOleCommandTarget *iface)
1088 {
1089     return CONTAINING_RECORD(iface, WebBrowser, IOleCommandTarget_iface);
1090 }
1091
1092 static HRESULT WINAPI WBOleCommandTarget_QueryInterface(IOleCommandTarget *iface,
1093         REFIID riid, void **ppv)
1094 {
1095     WebBrowser *This = impl_from_IOleCommandTarget(iface);
1096     return IWebBrowser2_QueryInterface(&This->IWebBrowser2_iface, riid, ppv);
1097 }
1098
1099 static ULONG WINAPI WBOleCommandTarget_AddRef(IOleCommandTarget *iface)
1100 {
1101     WebBrowser *This = impl_from_IOleCommandTarget(iface);
1102     return IWebBrowser2_AddRef(&This->IWebBrowser2_iface);
1103 }
1104
1105 static ULONG WINAPI WBOleCommandTarget_Release(IOleCommandTarget *iface)
1106 {
1107     WebBrowser *This = impl_from_IOleCommandTarget(iface);
1108     return IWebBrowser2_Release(&This->IWebBrowser2_iface);
1109 }
1110
1111 static HRESULT WINAPI WBOleCommandTarget_QueryStatus(IOleCommandTarget *iface,
1112         const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT *pCmdText)
1113 {
1114     WebBrowser *This = impl_from_IOleCommandTarget(iface);
1115     IOleCommandTarget *cmdtrg;
1116     HRESULT hres;
1117
1118     TRACE("(%p)->(%s %u %p %p)\n", This, debugstr_guid(pguidCmdGroup), cCmds, prgCmds,
1119           pCmdText);
1120
1121     if(!This->doc_host.document)
1122         return 0x80040104;
1123
1124     /* NOTE: There are probably some commands that we should handle here
1125      * instead of forwarding to document object. */
1126
1127     hres = IUnknown_QueryInterface(This->doc_host.document, &IID_IOleCommandTarget, (void**)&cmdtrg);
1128     if(FAILED(hres))
1129         return hres;
1130
1131     hres = IOleCommandTarget_QueryStatus(cmdtrg, pguidCmdGroup, cCmds, prgCmds, pCmdText);
1132     IOleCommandTarget_Release(cmdtrg);
1133
1134     return hres;
1135 }
1136
1137 static HRESULT WINAPI WBOleCommandTarget_Exec(IOleCommandTarget *iface,
1138         const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn,
1139         VARIANT *pvaOut)
1140 {
1141     WebBrowser *This = impl_from_IOleCommandTarget(iface);
1142     FIXME("(%p)->(%s %d %d %s %p)\n", This, debugstr_guid(pguidCmdGroup), nCmdID,
1143           nCmdexecopt, debugstr_variant(pvaIn), pvaOut);
1144     return E_NOTIMPL;
1145 }
1146
1147 static const IOleCommandTargetVtbl OleCommandTargetVtbl = {
1148     WBOleCommandTarget_QueryInterface,
1149     WBOleCommandTarget_AddRef,
1150     WBOleCommandTarget_Release,
1151     WBOleCommandTarget_QueryStatus,
1152     WBOleCommandTarget_Exec
1153 };
1154
1155 void WebBrowser_OleObject_Init(WebBrowser *This)
1156 {
1157     DWORD dpi_x;
1158     DWORD dpi_y;
1159     HDC hdc;
1160
1161     /* default aspect ratio is 96dpi / 96dpi */
1162     hdc = GetDC(0);
1163     dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
1164     dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
1165     ReleaseDC(0, hdc);
1166
1167     This->IOleObject_iface.lpVtbl              = &OleObjectVtbl;
1168     This->IOleInPlaceObject_iface.lpVtbl       = &OleInPlaceObjectVtbl;
1169     This->IOleControl_iface.lpVtbl             = &OleControlVtbl;
1170     This->IOleInPlaceActiveObject_iface.lpVtbl = &OleInPlaceActiveObjectVtbl;
1171     This->IOleCommandTarget_iface.lpVtbl       = &OleCommandTargetVtbl;
1172
1173     /* Default size is 50x20 pixels, in himetric units */
1174     This->extent.cx = MulDiv( 50, 2540, dpi_x );
1175     This->extent.cy = MulDiv( 20, 2540, dpi_y );
1176 }
1177
1178 void WebBrowser_OleObject_Destroy(WebBrowser *This)
1179 {
1180     release_client_site(This);
1181 }