reactos/dll/win32/shdocvw/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 #include "wine/debug.h"
  28 #include "shdocvw.h"
  29 #include "htiframe.h"
  30 #include "idispids.h"
  31 #include "mshtmdid.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
  34
  35 /* shlwapi.dll */
  36 HWND WINAPI SHSetParentHwnd(HWND hWnd, HWND hWndParent);
  37
  38 static ATOM shell_embedding_atom = 0;
  39
  40 static LRESULT resize_window(WebBrowser *This, LONG width, LONG height)
  41 {
  42     if(This->doc_host.hwnd)
  43         SetWindowPos(This->doc_host.hwnd, NULL, 0, 0, width, height,
  44                      SWP_NOZORDER | SWP_NOACTIVATE);
  45
  46     return 0;
  47 }
  48
  49 static LRESULT WINAPI shell_embedding_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  50 {
  51     WebBrowser *This;
  52
  53     static const WCHAR wszTHIS[] = {'T','H','I','S',0};
  54
  55     if(msg == WM_CREATE) {
  56         This = *(WebBrowser**)lParam;
  57         SetPropW(hwnd, wszTHIS, This);
  58     }else {
  59         This = GetPropW(hwnd, wszTHIS);
  60     }
  61
  62     switch(msg) {
  63     case WM_SIZE:
  64         return resize_window(This, LOWORD(lParam), HIWORD(lParam));
  65     case WM_DOCHOSTTASK:
  66         return process_dochost_task(&This->doc_host, lParam);
  67     }
  68
  69     return DefWindowProcW(hwnd, msg, wParam, lParam);
  70 }
  71
  72 static void create_shell_embedding_hwnd(WebBrowser *This)
  73 {
  74     IOleInPlaceSite *inplace;
  75     HWND parent = NULL;
  76     HRESULT hres;
  77
  78     static const WCHAR wszShellEmbedding[] =
  79         {'S','h','e','l','l',' ','E','m','b','e','d','d','i','n','g',0};
  80
  81     if(!shell_embedding_atom) {
  82         static WNDCLASSEXW wndclass = {
  83             sizeof(wndclass),
  84             CS_DBLCLKS,
  85             shell_embedding_proc,
  86             0, 0 /* native uses 8 */, NULL, NULL, NULL,
  87             (HBRUSH)(COLOR_WINDOW + 1), NULL,
  88             wszShellEmbedding,
  89             NULL
  90         };
  91         wndclass.hInstance = shdocvw_hinstance;
  92
  93         RegisterClassExW(&wndclass);
  94     }
  95
  96     hres = IOleClientSite_QueryInterface(This->client, &IID_IOleInPlaceSite, (void**)&inplace);
  97     if(SUCCEEDED(hres)) {
  98         IOleInPlaceSite_GetWindow(inplace, &parent);
  99         IOleInPlaceSite_Release(inplace);
 100     }
 101
 102     This->doc_host.frame_hwnd = This->shell_embedding_hwnd = CreateWindowExW(
 103             WS_EX_WINDOWEDGE,
 104             wszShellEmbedding, wszShellEmbedding,
 105             WS_CLIPSIBLINGS | WS_CLIPCHILDREN
 106             | (parent ? WS_CHILD | WS_TABSTOP : WS_POPUP | WS_MAXIMIZEBOX),
 107             0, 0, 0, 0, parent,
 108             NULL, shdocvw_hinstance, This);
 109
 110     TRACE("parent=%p hwnd=%p\n", parent, This->shell_embedding_hwnd);
 111 }
 112
 113 static HRESULT activate_inplace(WebBrowser *This, IOleClientSite *active_site)
 114 {
 115     HWND parent_hwnd;
 116     HRESULT hres;
 117
 118     if(This->inplace)
 119         return S_OK;
 120
 121     if(!active_site)
 122         return E_INVALIDARG;
 123
 124     hres = IOleClientSite_QueryInterface(active_site, &IID_IOleInPlaceSite,
 125                                          (void**)&This->inplace);
 126     if(FAILED(hres)) {
 127         WARN("Could not get IOleInPlaceSite\n");
 128         return hres;
 129     }
 130
 131     hres = IOleInPlaceSite_CanInPlaceActivate(This->inplace);
 132     if(hres != S_OK) {
 133         WARN("CanInPlaceActivate returned: %08x\n", hres);
 134         IOleInPlaceSite_Release(This->inplace);
 135         return E_FAIL;
 136     }
 137
 138     hres = IOleInPlaceSite_GetWindow(This->inplace, &parent_hwnd);
 139     if(SUCCEEDED(hres))
 140         SHSetParentHwnd(This->shell_embedding_hwnd, parent_hwnd);
 141
 142     IOleInPlaceSite_OnInPlaceActivate(This->inplace);
 143
 144     IOleInPlaceSite_GetWindowContext(This->inplace, &This->doc_host.frame, &This->uiwindow,
 145                                      &This->pos_rect, &This->clip_rect,
 146                                      &This->frameinfo);
 147
 148     SetWindowPos(This->shell_embedding_hwnd, NULL,
 149                  This->pos_rect.left, This->pos_rect.top,
 150                  This->pos_rect.right-This->pos_rect.left,
 151                  This->pos_rect.bottom-This->pos_rect.top,
 152                  SWP_NOZORDER | SWP_SHOWWINDOW);
 153
 154     if(This->client) {
 155         IOleContainer *container;
 156
 157         IOleClientSite_ShowObject(This->client);
 158
 159         hres = IOleClientSite_GetContainer(This->client, &container);
 160         if(SUCCEEDED(hres)) {
 161             if(This->container)
 162                 IOleContainer_Release(This->container);
 163             This->container = container;
 164         }
 165     }
 166
 167     if(This->doc_host.frame)
 168         IOleInPlaceFrame_GetWindow(This->doc_host.frame, &This->frame_hwnd);
 169
 170     return S_OK;
 171 }
 172
 173 static HRESULT activate_ui(WebBrowser *This, IOleClientSite *active_site)
 174 {
 175     HRESULT hres;
 176
 177     static const WCHAR wszitem[] = {'i','t','e','m',0};
 178
 179     if(This->inplace)
 180     {
 181         if(This->shell_embedding_hwnd)
 182             ShowWindow(This->shell_embedding_hwnd, SW_SHOW);
 183         return S_OK;
 184     }
 185
 186     hres = activate_inplace(This, active_site);
 187     if(FAILED(hres))
 188         return hres;
 189
 190     IOleInPlaceSite_OnUIActivate(This->inplace);
 191
 192     if(This->doc_host.frame)
 193         IOleInPlaceFrame_SetActiveObject(This->doc_host.frame, ACTIVEOBJ(This), wszitem);
 194     if(This->uiwindow)
 195         IOleInPlaceUIWindow_SetActiveObject(This->uiwindow, ACTIVEOBJ(This), wszitem);
 196
 197     if(This->doc_host.frame)
 198         IOleInPlaceFrame_SetMenu(This->doc_host.frame, NULL, NULL, This->shell_embedding_hwnd);
 199
 200     SetFocus(This->shell_embedding_hwnd);
 201
 202     return S_OK;
 203 }
 204
 205 static HRESULT get_client_disp_property(IOleClientSite *client, DISPID dispid, VARIANT *res)
 206 {
 207     IDispatch *disp = NULL;
 208     DISPPARAMS dispparams = {NULL, 0};
 209     HRESULT hres;
 210
 211     VariantInit(res);
 212
 213     if(!client)
 214         return S_OK;
 215
 216     hres = IOleClientSite_QueryInterface(client, &IID_IDispatch, (void**)&disp);
 217     if(FAILED(hres)) {
 218         TRACE("Could not get IDispatch\n");
 219         return hres;
 220     }
 221
 222     hres = IDispatch_Invoke(disp, dispid, &IID_NULL, LOCALE_SYSTEM_DEFAULT,
 223             DISPATCH_PROPERTYGET, &dispparams, res, NULL, NULL);
 224
 225     IDispatch_Release(disp);
 226
 227     return hres;
 228 }
 229
 230 static HRESULT on_offlineconnected_change(WebBrowser *This)
 231 {
 232     VARIANT offline;
 233
 234     get_client_disp_property(This->client, DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
 235
 236     if(V_VT(&offline) == VT_BOOL)
 237         IWebBrowser2_put_Offline(WEBBROWSER2(This), V_BOOL(&offline));
 238     else if(V_VT(&offline) != VT_EMPTY)
 239         WARN("wrong V_VT(silent) %d\n", V_VT(&offline));
 240
 241     return S_OK;
 242 }
 243
 244 static HRESULT on_silent_change(WebBrowser *This)
 245 {
 246     VARIANT silent;
 247
 248     get_client_disp_property(This->client, DISPID_AMBIENT_SILENT, &silent);
 249
 250     if(V_VT(&silent) == VT_BOOL)
 251         IWebBrowser2_put_Silent(WEBBROWSER2(This), V_BOOL(&silent));
 252     else if(V_VT(&silent) != VT_EMPTY)
 253         WARN("wrong V_VT(silent) %d\n", V_VT(&silent));
 254
 255     return S_OK;
 256 }
 257
 258 /**********************************************************************
 259  * Implement the IOleObject interface for the WebBrowser control
 260  */
 261
 262 #define OLEOBJ_THIS(iface) DEFINE_THIS(WebBrowser, OleObject, iface)
 263
 264 static HRESULT WINAPI OleObject_QueryInterface(IOleObject *iface, REFIID riid, void **ppv)
 265 {
 266     WebBrowser *This = OLEOBJ_THIS(iface);
 267     return IWebBrowser_QueryInterface(WEBBROWSER(This), riid, ppv);
 268 }
 269
 270 static ULONG WINAPI OleObject_AddRef(IOleObject *iface)
 271 {
 272     WebBrowser *This = OLEOBJ_THIS(iface);
 273     return IWebBrowser_AddRef(WEBBROWSER(This));
 274 }
 275
 276 static ULONG WINAPI OleObject_Release(IOleObject *iface)
 277 {
 278     WebBrowser *This = OLEOBJ_THIS(iface);
 279     return IWebBrowser_Release(WEBBROWSER(This));
 280 }
 281
 282 static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, LPOLECLIENTSITE pClientSite)
 283 {
 284     WebBrowser *This = OLEOBJ_THIS(iface);
 285     IOleContainer *container;
 286     HRESULT hres;
 287
 288     TRACE("(%p)->(%p)\n", This, pClientSite);
 289
 290     if(This->client == pClientSite)
 291         return S_OK;
 292
 293     if(This->doc_host.hwnd) {
 294         DestroyWindow(This->doc_host.hwnd);
 295         This->doc_host.hwnd = NULL;
 296     }
 297     if(This->shell_embedding_hwnd) {
 298         DestroyWindow(This->shell_embedding_hwnd);
 299         This->shell_embedding_hwnd = NULL;
 300     }
 301
 302     if(This->inplace) {
 303         IOleInPlaceSite_Release(This->inplace);
 304         This->inplace = NULL;
 305     }
 306
 307     if(This->doc_host.hostui) {
 308         IDocHostUIHandler_Release(This->doc_host.hostui);
 309         This->doc_host.hostui = NULL;
 310     }
 311
 312     if(This->client)
 313         IOleClientSite_Release(This->client);
 314
 315     This->client = pClientSite;
 316
 317     if(!pClientSite) {
 318         if(This->doc_host.document)
 319             deactivate_document(&This->doc_host);
 320         return S_OK;
 321     }
 322
 323     IOleClientSite_AddRef(pClientSite);
 324
 325     IOleClientSite_QueryInterface(This->client, &IID_IDispatch,
 326                                   (void**)&This->doc_host.client_disp);
 327
 328     IOleClientSite_QueryInterface(This->client, &IID_IDocHostUIHandler,
 329                                   (void**)&This->doc_host.hostui);
 330
 331     hres = IOleClientSite_GetContainer(This->client, &container);
 332     if(SUCCEEDED(hres)) {
 333         ITargetContainer *target_container;
 334
 335         hres = IOleContainer_QueryInterface(container, &IID_ITargetContainer,
 336                                             (void**)&target_container);
 337         if(SUCCEEDED(hres)) {
 338             FIXME("Unsupported ITargetContainer\n");
 339             ITargetContainer_Release(target_container);
 340         }
 341
 342         IOleContainer_Release(container);
 343     }
 344
 345     create_shell_embedding_hwnd(This);
 346
 347     on_offlineconnected_change(This);
 348     on_silent_change(This);
 349
 350     return S_OK;
 351 }
 352
 353 static HRESULT WINAPI OleObject_GetClientSite(IOleObject *iface, LPOLECLIENTSITE *ppClientSite)
 354 {
 355     WebBrowser *This = OLEOBJ_THIS(iface);
 356
 357     TRACE("(%p)->(%p)\n", This, ppClientSite);
 358
 359     if(!ppClientSite)
 360         return E_INVALIDARG;
 361
 362     if(This->client)
 363         IOleClientSite_AddRef(This->client);
 364     *ppClientSite = This->client;
 365
 366     return S_OK;
 367 }
 368
 369 static HRESULT WINAPI OleObject_SetHostNames(IOleObject *iface, LPCOLESTR szContainerApp,
 370         LPCOLESTR szContainerObj)
 371 {
 372     WebBrowser *This = OLEOBJ_THIS(iface);
 373
 374     TRACE("(%p)->(%s, %s)\n", This, debugstr_w(szContainerApp), debugstr_w(szContainerObj));
 375
 376     /* We have nothing to do here. */
 377     return S_OK;
 378 }
 379
 380 static HRESULT WINAPI OleObject_Close(IOleObject *iface, DWORD dwSaveOption)
 381 {
 382     WebBrowser *This = OLEOBJ_THIS(iface);
 383     FIXME("(%p)->(%d)\n", This, dwSaveOption);
 384     return E_NOTIMPL;
 385 }
 386
 387 static HRESULT WINAPI OleObject_SetMoniker(IOleObject *iface, DWORD dwWhichMoniker, IMoniker* pmk)
 388 {
 389     WebBrowser *This = OLEOBJ_THIS(iface);
 390     FIXME("(%p)->(%d, %p)\n", This, dwWhichMoniker, pmk);
 391     return E_NOTIMPL;
 392 }
 393
 394 static HRESULT WINAPI OleObject_GetMoniker(IOleObject *iface, DWORD dwAssign,
 395         DWORD dwWhichMoniker, LPMONIKER *ppmk)
 396 {
 397     WebBrowser *This = OLEOBJ_THIS(iface);
 398     FIXME("(%p)->(%d, %d, %p)\n", This, dwAssign, dwWhichMoniker, ppmk);
 399     return E_NOTIMPL;
 400 }
 401
 402 static HRESULT WINAPI OleObject_InitFromData(IOleObject *iface, LPDATAOBJECT pDataObject,
 403         BOOL fCreation, DWORD dwReserved)
 404 {
 405     WebBrowser *This = OLEOBJ_THIS(iface);
 406     FIXME("(%p)->(%p, %d, %d)\n", This, pDataObject, fCreation, dwReserved);
 407     return E_NOTIMPL;
 408 }
 409
 410 static HRESULT WINAPI OleObject_GetClipboardData(IOleObject *iface, DWORD dwReserved,
 411         LPDATAOBJECT *ppDataObject)
 412 {
 413     WebBrowser *This = OLEOBJ_THIS(iface);
 414     FIXME("(%p)->(%d, %p)\n", This, dwReserved, ppDataObject);
 415     return E_NOTIMPL;
 416 }
 417
 418 static HRESULT WINAPI OleObject_DoVerb(IOleObject *iface, LONG iVerb, struct tagMSG* lpmsg,
 419         LPOLECLIENTSITE pActiveSite, LONG lindex, HWND hwndParent, LPCRECT lprcPosRect)
 420 {
 421     WebBrowser *This = OLEOBJ_THIS(iface);
 422
 423     TRACE("(%p)->(%d %p %p %d %p %p)\n", This, iVerb, lpmsg, pActiveSite, lindex, hwndParent,
 424             lprcPosRect);
 425
 426     switch (iVerb)
 427     {
 428     case OLEIVERB_SHOW:
 429         TRACE("OLEIVERB_SHOW\n");
 430         return activate_ui(This, pActiveSite);
 431     case OLEIVERB_UIACTIVATE:
 432         TRACE("OLEIVERB_UIACTIVATE\n");
 433         return activate_ui(This, pActiveSite);
 434     case OLEIVERB_INPLACEACTIVATE:
 435         TRACE("OLEIVERB_INPLACEACTIVATE\n");
 436         return activate_inplace(This, pActiveSite);
 437     case OLEIVERB_HIDE:
 438         TRACE("OLEIVERB_HIDE\n");
 439         if(This->shell_embedding_hwnd)
 440             ShowWindow(This->shell_embedding_hwnd, SW_HIDE);
 441         return S_OK;
 442     default:
 443         FIXME("stub for %d\n", iVerb);
 444         break;
 445     }
 446
 447     return E_NOTIMPL;
 448 }
 449
 450 static HRESULT WINAPI OleObject_EnumVerbs(IOleObject *iface, IEnumOLEVERB **ppEnumOleVerb)
 451 {
 452     WebBrowser *This = OLEOBJ_THIS(iface);
 453     TRACE("(%p)->(%p)\n", This, ppEnumOleVerb);
 454     return OleRegEnumVerbs(&CLSID_WebBrowser, ppEnumOleVerb);
 455 }
 456
 457 static HRESULT WINAPI OleObject_Update(IOleObject *iface)
 458 {
 459     WebBrowser *This = OLEOBJ_THIS(iface);
 460     FIXME("(%p)\n", This);
 461     return E_NOTIMPL;
 462 }
 463
 464 static HRESULT WINAPI OleObject_IsUpToDate(IOleObject *iface)
 465 {
 466     WebBrowser *This = OLEOBJ_THIS(iface);
 467     FIXME("(%p)\n", This);
 468     return E_NOTIMPL;
 469 }
 470
 471 static HRESULT WINAPI OleObject_GetUserClassID(IOleObject *iface, CLSID* pClsid)
 472 {
 473     WebBrowser *This = OLEOBJ_THIS(iface);
 474     FIXME("(%p)->(%p)\n", This, pClsid);
 475     return E_NOTIMPL;
 476 }
 477
 478 static HRESULT WINAPI OleObject_GetUserType(IOleObject *iface, DWORD dwFormOfType,
 479         LPOLESTR* pszUserType)
 480 {
 481     WebBrowser *This = OLEOBJ_THIS(iface);
 482     TRACE("(%p, %d, %p)\n", This, dwFormOfType, pszUserType);
 483     return OleRegGetUserType(&CLSID_WebBrowser, dwFormOfType, pszUserType);
 484 }
 485
 486 static HRESULT WINAPI OleObject_SetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
 487 {
 488     WebBrowser *This = OLEOBJ_THIS(iface);
 489
 490     TRACE("(%p)->(%x %p)\n", This, dwDrawAspect, psizel);
 491
 492     /* Tests show that dwDrawAspect is ignored */
 493     This->extent = *psizel;
 494     return S_OK;
 495 }
 496
 497 static HRESULT WINAPI OleObject_GetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
 498 {
 499     WebBrowser *This = OLEOBJ_THIS(iface);
 500
 501     TRACE("(%p)->(%x, %p)\n", This, dwDrawAspect, psizel);
 502
 503     /* Tests show that dwDrawAspect is ignored */
 504     *psizel = This->extent;
 505     return S_OK;
 506 }
 507
 508 static HRESULT WINAPI OleObject_Advise(IOleObject *iface, IAdviseSink *pAdvSink,
 509         DWORD* pdwConnection)
 510 {
 511     WebBrowser *This = OLEOBJ_THIS(iface);
 512     FIXME("(%p)->(%p, %p)\n", This, pAdvSink, pdwConnection);
 513     return E_NOTIMPL;
 514 }
 515
 516 static HRESULT WINAPI OleObject_Unadvise(IOleObject *iface, DWORD dwConnection)
 517 {
 518     WebBrowser *This = OLEOBJ_THIS(iface);
 519     FIXME("(%p)->(%d)\n", This, dwConnection);
 520     return E_NOTIMPL;
 521 }
 522
 523 static HRESULT WINAPI OleObject_EnumAdvise(IOleObject *iface, IEnumSTATDATA **ppenumAdvise)
 524 {
 525     WebBrowser *This = OLEOBJ_THIS(iface);
 526     FIXME("(%p)->(%p)\n", This, ppenumAdvise);
 527     return S_OK;
 528 }
 529
 530 static HRESULT WINAPI OleObject_GetMiscStatus(IOleObject *iface, DWORD dwAspect, DWORD *pdwStatus)
 531 {
 532     WebBrowser *This = OLEOBJ_THIS(iface);
 533
 534     TRACE("(%p)->(%x, %p)\n", This, dwAspect, pdwStatus);
 535
 536     *pdwStatus = OLEMISC_SETCLIENTSITEFIRST|OLEMISC_ACTIVATEWHENVISIBLE|OLEMISC_INSIDEOUT
 537         |OLEMISC_CANTLINKINSIDE|OLEMISC_RECOMPOSEONRESIZE;
 538
 539     return S_OK;
 540 }
 541
 542 static HRESULT WINAPI OleObject_SetColorScheme(IOleObject *iface, LOGPALETTE* pLogpal)
 543 {
 544     WebBrowser *This = OLEOBJ_THIS(iface);
 545     FIXME("(%p)->(%p)\n", This, pLogpal);
 546     return E_NOTIMPL;
 547 }
 548
 549 #undef OLEOBJ_THIS
 550
 551 static const IOleObjectVtbl OleObjectVtbl =
 552 {
 553     OleObject_QueryInterface,
 554     OleObject_AddRef,
 555     OleObject_Release,
 556     OleObject_SetClientSite,
 557     OleObject_GetClientSite,
 558     OleObject_SetHostNames,
 559     OleObject_Close,
 560     OleObject_SetMoniker,
 561     OleObject_GetMoniker,
 562     OleObject_InitFromData,
 563     OleObject_GetClipboardData,
 564     OleObject_DoVerb,
 565     OleObject_EnumVerbs,
 566     OleObject_Update,
 567     OleObject_IsUpToDate,
 568     OleObject_GetUserClassID,
 569     OleObject_GetUserType,
 570     OleObject_SetExtent,
 571     OleObject_GetExtent,
 572     OleObject_Advise,
 573     OleObject_Unadvise,
 574     OleObject_EnumAdvise,
 575     OleObject_GetMiscStatus,
 576     OleObject_SetColorScheme
 577 };
 578
 579 /**********************************************************************
 580  * Implement the IOleInPlaceObject interface
 581  */
 582
 583 #define INPLACEOBJ_THIS(iface) DEFINE_THIS(WebBrowser, OleInPlaceObject, iface)
 584
 585 static HRESULT WINAPI OleInPlaceObject_QueryInterface(IOleInPlaceObject *iface,
 586         REFIID riid, LPVOID *ppobj)
 587 {
 588     WebBrowser *This = INPLACEOBJ_THIS(iface);
 589     return IWebBrowser_QueryInterface(WEBBROWSER(This), riid, ppobj);
 590 }
 591
 592 static ULONG WINAPI OleInPlaceObject_AddRef(IOleInPlaceObject *iface)
 593 {
 594     WebBrowser *This = INPLACEOBJ_THIS(iface);
 595     return IWebBrowser_AddRef(WEBBROWSER(This));
 596 }
 597
 598 static ULONG WINAPI OleInPlaceObject_Release(IOleInPlaceObject *iface)
 599 {
 600     WebBrowser *This = INPLACEOBJ_THIS(iface);
 601     return IWebBrowser_Release(WEBBROWSER(This));
 602 }
 603
 604 static HRESULT WINAPI OleInPlaceObject_GetWindow(IOleInPlaceObject *iface, HWND* phwnd)
 605 {
 606     WebBrowser *This = INPLACEOBJ_THIS(iface);
 607
 608     TRACE("(%p)->(%p)\n", This, phwnd);
 609
 610     *phwnd = This->shell_embedding_hwnd;
 611     return S_OK;
 612 }
 613
 614 static HRESULT WINAPI OleInPlaceObject_ContextSensitiveHelp(IOleInPlaceObject *iface,
 615         BOOL fEnterMode)
 616 {
 617     WebBrowser *This = INPLACEOBJ_THIS(iface);
 618     FIXME("(%p)->(%x)\n", This, fEnterMode);
 619     return E_NOTIMPL;
 620 }
 621
 622 static HRESULT WINAPI OleInPlaceObject_InPlaceDeactivate(IOleInPlaceObject *iface)
 623 {
 624     WebBrowser *This = INPLACEOBJ_THIS(iface);
 625     FIXME("(%p)\n", This);
 626
 627     if(This->inplace) {
 628         IOleInPlaceSite_Release(This->inplace);
 629         This->inplace = NULL;
 630     }
 631
 632     return S_OK;
 633 }
 634
 635 static HRESULT WINAPI OleInPlaceObject_UIDeactivate(IOleInPlaceObject *iface)
 636 {
 637     WebBrowser *This = INPLACEOBJ_THIS(iface);
 638     FIXME("(%p)\n", This);
 639     return E_NOTIMPL;
 640 }
 641
 642 static HRESULT WINAPI OleInPlaceObject_SetObjectRects(IOleInPlaceObject *iface,
 643         LPCRECT lprcPosRect, LPCRECT lprcClipRect)
 644 {
 645     WebBrowser *This = INPLACEOBJ_THIS(iface);
 646
 647     TRACE("(%p)->(%p %p)\n", This, lprcPosRect, lprcClipRect);
 648
 649     This->pos_rect = *lprcPosRect;
 650
 651     if(lprcClipRect)
 652         This->clip_rect = *lprcClipRect;
 653
 654     if(This->shell_embedding_hwnd) {
 655         SetWindowPos(This->shell_embedding_hwnd, NULL,
 656                      lprcPosRect->left, lprcPosRect->top,
 657                      lprcPosRect->right-lprcPosRect->left,
 658                      lprcPosRect->bottom-lprcPosRect->top,
 659                      SWP_NOZORDER | SWP_NOACTIVATE);
 660     }
 661
 662     return S_OK;
 663 }
 664
 665 static HRESULT WINAPI OleInPlaceObject_ReactivateAndUndo(IOleInPlaceObject *iface)
 666 {
 667     WebBrowser *This = INPLACEOBJ_THIS(iface);
 668     FIXME("(%p)\n", This);
 669     return E_NOTIMPL;
 670 }
 671
 672 #undef INPLACEOBJ_THIS
 673
 674 static const IOleInPlaceObjectVtbl OleInPlaceObjectVtbl =
 675 {
 676     OleInPlaceObject_QueryInterface,
 677     OleInPlaceObject_AddRef,
 678     OleInPlaceObject_Release,
 679     OleInPlaceObject_GetWindow,
 680     OleInPlaceObject_ContextSensitiveHelp,
 681     OleInPlaceObject_InPlaceDeactivate,
 682     OleInPlaceObject_UIDeactivate,
 683     OleInPlaceObject_SetObjectRects,
 684     OleInPlaceObject_ReactivateAndUndo
 685 };
 686
 687 /**********************************************************************
 688  * Implement the IOleControl interface
 689  */
 690
 691 #define CONTROL_THIS(iface) DEFINE_THIS(WebBrowser, OleControl, iface)
 692
 693 static HRESULT WINAPI OleControl_QueryInterface(IOleControl *iface,
 694         REFIID riid, LPVOID *ppobj)
 695 {
 696     WebBrowser *This = CONTROL_THIS(iface);
 697     return IWebBrowser_QueryInterface(WEBBROWSER(This), riid, ppobj);
 698 }
 699
 700 static ULONG WINAPI OleControl_AddRef(IOleControl *iface)
 701 {
 702     WebBrowser *This = CONTROL_THIS(iface);
 703     return IWebBrowser_AddRef(WEBBROWSER(This));
 704 }
 705
 706 static ULONG WINAPI OleControl_Release(IOleControl *iface)
 707 {
 708     WebBrowser *This = CONTROL_THIS(iface);
 709     return IWebBrowser_Release(WEBBROWSER(This));
 710 }
 711
 712 static HRESULT WINAPI OleControl_GetControlInfo(IOleControl *iface, LPCONTROLINFO pCI)
 713 {
 714     WebBrowser *This = CONTROL_THIS(iface);
 715
 716     TRACE("(%p)->(%p)\n", This, pCI);
 717
 718     /* Tests show that this function should be not implemented */
 719     return E_NOTIMPL;
 720 }
 721
 722 static HRESULT WINAPI OleControl_OnMnemonic(IOleControl *iface, struct tagMSG *pMsg)
 723 {
 724     WebBrowser *This = CONTROL_THIS(iface);
 725     FIXME("(%p)->(%p)\n", This, pMsg);
 726     return E_NOTIMPL;
 727 }
 728
 729 static HRESULT WINAPI OleControl_OnAmbientPropertyChange(IOleControl *iface, DISPID dispID)
 730 {
 731     WebBrowser *This = CONTROL_THIS(iface);
 732
 733     TRACE("(%p)->(%d)\n", This, dispID);
 734
 735     switch(dispID) {
 736     case DISPID_UNKNOWN:
 737         /* Unknown means multiple properties changed, so check them all.
 738          * BUT the Webbrowser OleControl object doesn't appear to do this.
 739          */
 740         return S_OK;
 741     case DISPID_AMBIENT_DLCONTROL:
 742         return S_OK;
 743     case DISPID_AMBIENT_OFFLINEIFNOTCONNECTED:
 744         return on_offlineconnected_change(This);
 745     case DISPID_AMBIENT_SILENT:
 746         return on_silent_change(This);
 747     }
 748
 749     FIXME("Unknown dispID %d\n", dispID);
 750     return E_NOTIMPL;
 751 }
 752
 753 static HRESULT WINAPI OleControl_FreezeEvents(IOleControl *iface, BOOL bFreeze)
 754 {
 755     WebBrowser *This = CONTROL_THIS(iface);
 756     FIXME("(%p)->(%x)\n", This, bFreeze);
 757     return E_NOTIMPL;
 758 }
 759
 760 #undef CONTROL_THIS
 761
 762 static const IOleControlVtbl OleControlVtbl =
 763 {
 764     OleControl_QueryInterface,
 765     OleControl_AddRef,
 766     OleControl_Release,
 767     OleControl_GetControlInfo,
 768     OleControl_OnMnemonic,
 769     OleControl_OnAmbientPropertyChange,
 770     OleControl_FreezeEvents
 771 };
 772
 773 #define ACTIVEOBJ_THIS(iface) DEFINE_THIS(WebBrowser, OleInPlaceActiveObject, iface)
 774
 775 static HRESULT WINAPI InPlaceActiveObject_QueryInterface(IOleInPlaceActiveObject *iface,
 776                                                             REFIID riid, void **ppv)
 777 {
 778     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 779     return IWebBrowser2_QueryInterface(WEBBROWSER2(This), riid, ppv);
 780 }
 781
 782 static ULONG WINAPI InPlaceActiveObject_AddRef(IOleInPlaceActiveObject *iface)
 783 {
 784     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 785     return IWebBrowser2_AddRef(WEBBROWSER2(This));
 786 }
 787
 788 static ULONG WINAPI InPlaceActiveObject_Release(IOleInPlaceActiveObject *iface)
 789 {
 790     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 791     return IWebBrowser2_Release(WEBBROWSER2(This));
 792 }
 793
 794 static HRESULT WINAPI InPlaceActiveObject_GetWindow(IOleInPlaceActiveObject *iface,
 795                                                     HWND *phwnd)
 796 {
 797     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 798     return IOleInPlaceObject_GetWindow(INPLACEOBJ(This), phwnd);
 799 }
 800
 801 static HRESULT WINAPI InPlaceActiveObject_ContextSensitiveHelp(IOleInPlaceActiveObject *iface,
 802                                                                BOOL fEnterMode)
 803 {
 804     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 805     return IOleInPlaceObject_ContextSensitiveHelp(INPLACEOBJ(This), fEnterMode);
 806 }
 807
 808 static HRESULT WINAPI InPlaceActiveObject_TranslateAccelerator(IOleInPlaceActiveObject *iface,
 809                                                                LPMSG lpmsg)
 810 {
 811     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 812     FIXME("(%p)->(%p)\n", This, lpmsg);
 813     return E_NOTIMPL;
 814 }
 815
 816 static HRESULT WINAPI InPlaceActiveObject_OnFrameWindowActivate(IOleInPlaceActiveObject *iface,
 817                                                                 BOOL fActivate)
 818 {
 819     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 820     FIXME("(%p)->(%x)\n", This, fActivate);
 821     return E_NOTIMPL;
 822 }
 823
 824 static HRESULT WINAPI InPlaceActiveObject_OnDocWindowActivate(IOleInPlaceActiveObject *iface,
 825                                                               BOOL fActivate)
 826 {
 827     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 828     FIXME("(%p)->(%x)\n", This, fActivate);
 829     return E_NOTIMPL;
 830 }
 831
 832 static HRESULT WINAPI InPlaceActiveObject_ResizeBorder(IOleInPlaceActiveObject *iface,
 833         LPCRECT lprcBorder, IOleInPlaceUIWindow *pUIWindow, BOOL fFrameWindow)
 834 {
 835     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 836     FIXME("(%p)->(%p %p %x)\n", This, lprcBorder, pUIWindow, fFrameWindow);
 837     return E_NOTIMPL;
 838 }
 839
 840 static HRESULT WINAPI InPlaceActiveObject_EnableModeless(IOleInPlaceActiveObject *iface,
 841                                                          BOOL fEnable)
 842 {
 843     WebBrowser *This = ACTIVEOBJ_THIS(iface);
 844     FIXME("(%p)->(%x)\n", This, fEnable);
 845     return E_NOTIMPL;
 846 }
 847
 848 #undef ACTIVEOBJ_THIS
 849
 850 static const IOleInPlaceActiveObjectVtbl OleInPlaceActiveObjectVtbl = {
 851     InPlaceActiveObject_QueryInterface,
 852     InPlaceActiveObject_AddRef,
 853     InPlaceActiveObject_Release,
 854     InPlaceActiveObject_GetWindow,
 855     InPlaceActiveObject_ContextSensitiveHelp,
 856     InPlaceActiveObject_TranslateAccelerator,
 857     InPlaceActiveObject_OnFrameWindowActivate,
 858     InPlaceActiveObject_OnDocWindowActivate,
 859     InPlaceActiveObject_ResizeBorder,
 860     InPlaceActiveObject_EnableModeless
 861 };
 862
 863 #define OLECMD_THIS(iface) DEFINE_THIS(WebBrowser, OleCommandTarget, iface)
 864
 865 static HRESULT WINAPI WBOleCommandTarget_QueryInterface(IOleCommandTarget *iface,
 866         REFIID riid, void **ppv)
 867 {
 868     WebBrowser *This = OLECMD_THIS(iface);
 869     return IWebBrowser2_QueryInterface(WEBBROWSER(This), riid, ppv);
 870 }
 871
 872 static ULONG WINAPI WBOleCommandTarget_AddRef(IOleCommandTarget *iface)
 873 {
 874     WebBrowser *This = OLECMD_THIS(iface);
 875     return IWebBrowser2_AddRef(WEBBROWSER(This));
 876 }
 877
 878 static ULONG WINAPI WBOleCommandTarget_Release(IOleCommandTarget *iface)
 879 {
 880     WebBrowser *This = OLECMD_THIS(iface);
 881     return IWebBrowser2_Release(WEBBROWSER(This));
 882 }
 883
 884 static HRESULT WINAPI WBOleCommandTarget_QueryStatus(IOleCommandTarget *iface,
 885         const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT *pCmdText)
 886 {
 887     WebBrowser *This = OLECMD_THIS(iface);
 888     IOleCommandTarget *cmdtrg;
 889     HRESULT hres;
 890
 891     TRACE("(%p)->(%s %u %p %p)\n", This, debugstr_guid(pguidCmdGroup), cCmds, prgCmds,
 892           pCmdText);
 893
 894     if(!This->doc_host.document)
 895         return 0x80040104;
 896
 897     /* NOTE: There are probably some commands that we should handle here
 898      * instead of forwarding to document object. */
 899
 900     hres = IUnknown_QueryInterface(This->doc_host.document, &IID_IOleCommandTarget, (void**)&cmdtrg);
 901     if(FAILED(hres))
 902         return hres;
 903
 904     hres = IOleCommandTarget_QueryStatus(cmdtrg, pguidCmdGroup, cCmds, prgCmds, pCmdText);
 905     IOleCommandTarget_Release(cmdtrg);
 906
 907     return hres;
 908 }
 909
 910 static HRESULT WINAPI WBOleCommandTarget_Exec(IOleCommandTarget *iface,
 911         const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn,
 912         VARIANT *pvaOut)
 913 {
 914     WebBrowser *This = OLECMD_THIS(iface);
 915     FIXME("(%p)->(%s %d %d %p %p)\n", This, debugstr_guid(pguidCmdGroup), nCmdID,
 916           nCmdexecopt, pvaIn, pvaOut);
 917     return E_NOTIMPL;
 918 }
 919
 920 #undef OLECMD_THIS
 921
 922 static const IOleCommandTargetVtbl OleCommandTargetVtbl = {
 923     WBOleCommandTarget_QueryInterface,
 924     WBOleCommandTarget_AddRef,
 925     WBOleCommandTarget_Release,
 926     WBOleCommandTarget_QueryStatus,
 927     WBOleCommandTarget_Exec
 928 };
 929
 930 void WebBrowser_OleObject_Init(WebBrowser *This)
 931 {
 932     DWORD dpi_x;
 933     DWORD dpi_y;
 934     HDC hdc;
 935
 936     /* default aspect ratio is 96dpi / 96dpi */
 937     hdc = GetDC(0);
 938     dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
 939     dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
 940     ReleaseDC(0, hdc);
 941
 942     This->lpOleObjectVtbl              = &OleObjectVtbl;
 943     This->lpOleInPlaceObjectVtbl       = &OleInPlaceObjectVtbl;
 944     This->lpOleControlVtbl             = &OleControlVtbl;
 945     This->lpOleInPlaceActiveObjectVtbl = &OleInPlaceActiveObjectVtbl;
 946     This->lpOleCommandTargetVtbl     = &OleCommandTargetVtbl;
 947
 948     This->client = NULL;
 949     This->inplace = NULL;
 950     This->container = NULL;
 951     This->frame_hwnd = NULL;
 952     This->uiwindow = NULL;
 953     This->shell_embedding_hwnd = NULL;
 954
 955     memset(&This->pos_rect, 0, sizeof(RECT));
 956     memset(&This->clip_rect, 0, sizeof(RECT));
 957     memset(&This->frameinfo, 0, sizeof(OLEINPLACEFRAMEINFO));
 958
 959     /* Default size is 50x20 pixels, in himetric units */
 960     This->extent.cx = MulDiv( 50, 2540, dpi_x );
 961     This->extent.cy = MulDiv( 20, 2540, dpi_y );
 962 }
 963
 964 void WebBrowser_OleObject_Destroy(WebBrowser *This)
 965 {
 966     if(This->client)
 967         IOleObject_SetClientSite(OLEOBJ(This), NULL);
 968     if(This->container)
 969         IOleContainer_Release(This->container);
 970     if(This->uiwindow)
 971         IOleInPlaceUIWindow_Release(This->uiwindow);
 972 }