dlls/shell32/ebrowser.c

   1 /*
   2  * ExplorerBrowser Control implementation.
   3  *
   4  * Copyright 2010 David Hedberg
   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 #define NONAMELESSUNION
  25 #define NONAMELESSSTRUCT
  26
  27 #include "winerror.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30
  31 #include "wine/debug.h"
  32 #include "debughlp.h"
  33
  34 #include "shell32_main.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  37
  38 typedef struct _ExplorerBrowserImpl {
  39     const IExplorerBrowserVtbl *lpVtbl;
  40     const IShellBrowserVtbl *lpsbVtbl;
  41     LONG ref;
  42     BOOL destroyed;
  43
  44     HWND hwnd_main;
  45
  46     EXPLORER_BROWSER_OPTIONS eb_options;
  47 } ExplorerBrowserImpl;
  48
  49 /**************************************************************************
  50  * Main window related functions.
  51  */
  52 static LRESULT main_on_wm_create(HWND hWnd, CREATESTRUCTW *crs)
  53 {
  54     ExplorerBrowserImpl *This = crs->lpCreateParams;
  55     TRACE("%p\n", This);
  56
  57     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LPARAM)This);
  58     This->hwnd_main = hWnd;
  59
  60     return TRUE;
  61 }
  62
  63 static LRESULT CALLBACK main_wndproc(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
  64 {
  65     switch(uMessage)
  66     {
  67     case WM_CREATE:           return main_on_wm_create(hWnd, (CREATESTRUCTW*)lParam);
  68     default:                  return DefWindowProcW(hWnd, uMessage, wParam, lParam);
  69     }
  70
  71     return 0;
  72 }
  73
  74 /**************************************************************************
  75  * IExplorerBrowser Implementation
  76  */
  77 static HRESULT WINAPI IExplorerBrowser_fnQueryInterface(IExplorerBrowser *iface,
  78                                                         REFIID riid, void **ppvObject)
  79 {
  80     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
  81     TRACE("%p (%s, %p)\n", This, shdebugstr_guid(riid), ppvObject);
  82
  83     *ppvObject = NULL;
  84     if(IsEqualIID(riid, &IID_IExplorerBrowser) ||
  85        IsEqualIID(riid, &IID_IUnknown))
  86     {
  87         *ppvObject = This;
  88     }
  89     else if(IsEqualIID(riid, &IID_IShellBrowser))
  90     {
  91         *ppvObject = &This->lpsbVtbl;
  92     }
  93
  94     if(*ppvObject)
  95     {
  96         IUnknown_AddRef((IUnknown*)*ppvObject);
  97         return S_OK;
  98     }
  99
 100     return E_NOINTERFACE;
 101 }
 102
 103 static ULONG WINAPI IExplorerBrowser_fnAddRef(IExplorerBrowser *iface)
 104 {
 105     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 106     LONG ref = InterlockedIncrement(&This->ref);
 107     TRACE("%p - ref %d\n", This, ref);
 108
 109     return ref;
 110 }
 111
 112 static ULONG WINAPI IExplorerBrowser_fnRelease(IExplorerBrowser *iface)
 113 {
 114     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 115     LONG ref = InterlockedDecrement(&This->ref);
 116     TRACE("%p - ref %d\n", This, ref);
 117
 118     if(!ref)
 119     {
 120         TRACE("Freeing.\n");
 121
 122         if(!This->destroyed)
 123             IExplorerBrowser_Destroy(iface);
 124
 125         HeapFree(GetProcessHeap(), 0, This);
 126         return 0;
 127     }
 128
 129     return ref;
 130 }
 131
 132 static HRESULT WINAPI IExplorerBrowser_fnInitialize(IExplorerBrowser *iface,
 133                                                     HWND hwndParent, const RECT *prc,
 134                                                     const FOLDERSETTINGS *pfs)
 135 {
 136     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 137     WNDCLASSW wc;
 138     LONG style;
 139     static const WCHAR EB_CLASS_NAME[] =
 140         {'E','x','p','l','o','r','e','r','B','r','o','w','s','e','r','C','o','n','t','r','o','l',0};
 141
 142     TRACE("%p (%p, %p, %p)\n", This, hwndParent, prc, pfs);
 143
 144     if(This->hwnd_main)
 145         return E_UNEXPECTED;
 146
 147     if(!hwndParent)
 148         return E_INVALIDARG;
 149
 150     if( !GetClassInfoW(shell32_hInstance, EB_CLASS_NAME, &wc) )
 151     {
 152         wc.style            = CS_HREDRAW | CS_VREDRAW;
 153         wc.lpfnWndProc      = main_wndproc;
 154         wc.cbClsExtra       = 0;
 155         wc.cbWndExtra       = 0;
 156         wc.hInstance        = shell32_hInstance;
 157         wc.hIcon            = 0;
 158         wc.hCursor          = LoadCursorW(0, (LPWSTR)IDC_ARROW);
 159         wc.hbrBackground    = (HBRUSH)(COLOR_WINDOW + 1);
 160         wc.lpszMenuName     = NULL;
 161         wc.lpszClassName    = EB_CLASS_NAME;
 162
 163         if (!RegisterClassW(&wc)) return E_FAIL;
 164     }
 165
 166     style = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_BORDER;
 167     This->hwnd_main = CreateWindowExW(WS_EX_CONTROLPARENT, EB_CLASS_NAME, NULL, style,
 168                                       prc->left, prc->top,
 169                                       prc->right - prc->left, prc->bottom - prc->top,
 170                                       hwndParent, 0, shell32_hInstance, This);
 171
 172     if(!This->hwnd_main)
 173     {
 174         ERR("Failed to create the window.\n");
 175         return E_FAIL;
 176     }
 177
 178     return S_OK;
 179 }
 180
 181 static HRESULT WINAPI IExplorerBrowser_fnDestroy(IExplorerBrowser *iface)
 182 {
 183     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 184     TRACE("%p\n", This);
 185
 186     DestroyWindow(This->hwnd_main);
 187     This->destroyed = TRUE;
 188
 189     return S_OK;
 190 }
 191
 192 static HRESULT WINAPI IExplorerBrowser_fnSetRect(IExplorerBrowser *iface,
 193                                                  HDWP *phdwp, RECT rcBrowser)
 194 {
 195     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 196     TRACE("%p (%p, %s)\n", This, phdwp, wine_dbgstr_rect(&rcBrowser));
 197
 198     if(phdwp)
 199     {
 200         *phdwp = DeferWindowPos(*phdwp, This->hwnd_main, NULL, rcBrowser.left, rcBrowser.top,
 201                                 rcBrowser.right - rcBrowser.left, rcBrowser.bottom - rcBrowser.top,
 202                                 SWP_NOZORDER | SWP_NOACTIVATE);
 203     }
 204     else
 205     {
 206         MoveWindow(This->hwnd_main, rcBrowser.left, rcBrowser.top,
 207                    rcBrowser.right - rcBrowser.left, rcBrowser.bottom - rcBrowser.top, TRUE);
 208     }
 209
 210     return S_OK;
 211 }
 212
 213 static HRESULT WINAPI IExplorerBrowser_fnSetPropertyBag(IExplorerBrowser *iface,
 214                                                         LPCWSTR pszPropertyBag)
 215 {
 216     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 217     FIXME("stub, %p (%s)\n", This, debugstr_w(pszPropertyBag));
 218
 219     return E_NOTIMPL;
 220 }
 221
 222 static HRESULT WINAPI IExplorerBrowser_fnSetEmptyText(IExplorerBrowser *iface,
 223                                                       LPCWSTR pszEmptyText)
 224 {
 225     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 226     FIXME("stub, %p (%s)\n", This, debugstr_w(pszEmptyText));
 227
 228     return E_NOTIMPL;
 229 }
 230
 231 static HRESULT WINAPI IExplorerBrowser_fnSetFolderSettings(IExplorerBrowser *iface,
 232                                                            const FOLDERSETTINGS *pfs)
 233 {
 234     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 235     FIXME("stub, %p (%p)\n", This, pfs);
 236
 237     return E_NOTIMPL;
 238 }
 239
 240 static HRESULT WINAPI IExplorerBrowser_fnAdvise(IExplorerBrowser *iface,
 241                                                 IExplorerBrowserEvents *psbe,
 242                                                 DWORD *pdwCookie)
 243 {
 244     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 245     FIXME("stub, %p (%p, %p)\n", This, psbe, pdwCookie);
 246
 247     return E_NOTIMPL;
 248 }
 249
 250 static HRESULT WINAPI IExplorerBrowser_fnUnadvise(IExplorerBrowser *iface,
 251                                                   DWORD dwCookie)
 252 {
 253     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 254     FIXME("stub, %p (0x%x)\n", This, dwCookie);
 255
 256     return E_NOTIMPL;
 257 }
 258
 259 static HRESULT WINAPI IExplorerBrowser_fnSetOptions(IExplorerBrowser *iface,
 260                                                     EXPLORER_BROWSER_OPTIONS dwFlag)
 261 {
 262     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 263     static const EXPLORER_BROWSER_OPTIONS unsupported_options =
 264         EBO_SHOWFRAMES | EBO_ALWAYSNAVIGATE | EBO_NOWRAPPERWINDOW | EBO_HTMLSHAREPOINTVIEW;
 265
 266     TRACE("%p (0x%x)\n", This, dwFlag);
 267
 268     if(dwFlag & unsupported_options)
 269         FIXME("Flags 0x%08x contains unsupported options.\n", dwFlag);
 270
 271     This->eb_options = dwFlag;
 272
 273     return S_OK;
 274 }
 275
 276 static HRESULT WINAPI IExplorerBrowser_fnGetOptions(IExplorerBrowser *iface,
 277                                                     EXPLORER_BROWSER_OPTIONS *pdwFlag)
 278 {
 279     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 280     TRACE("%p (%p)\n", This, pdwFlag);
 281
 282     *pdwFlag = This->eb_options;
 283
 284     return S_OK;
 285 }
 286
 287 static HRESULT WINAPI IExplorerBrowser_fnBrowseToIDList(IExplorerBrowser *iface,
 288                                                         PCUIDLIST_RELATIVE pidl,
 289                                                         UINT uFlags)
 290 {
 291     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 292     FIXME("stub, %p (%p, 0x%x)\n", This, pidl, uFlags);
 293
 294     return E_NOTIMPL;
 295 }
 296
 297 static HRESULT WINAPI IExplorerBrowser_fnBrowseToObject(IExplorerBrowser *iface,
 298                                                         IUnknown *punk, UINT uFlags)
 299 {
 300     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 301     FIXME("stub, %p (%p, 0x%x)\n", This, punk, uFlags);
 302
 303     return E_NOTIMPL;
 304 }
 305
 306 static HRESULT WINAPI IExplorerBrowser_fnFillFromObject(IExplorerBrowser *iface,
 307                                                         IUnknown *punk,
 308                                                         EXPLORER_BROWSER_FILL_FLAGS dwFlags)
 309 {
 310     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 311     FIXME("stub, %p (%p, 0x%x)\n", This, punk, dwFlags);
 312
 313     return E_NOTIMPL;
 314 }
 315
 316 static HRESULT WINAPI IExplorerBrowser_fnRemoveAll(IExplorerBrowser *iface)
 317 {
 318     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 319     FIXME("stub, %p\n", This);
 320
 321     return E_NOTIMPL;
 322 }
 323
 324 static HRESULT WINAPI IExplorerBrowser_fnGetCurrentView(IExplorerBrowser *iface,
 325                                                         REFIID riid, void **ppv)
 326 {
 327     ExplorerBrowserImpl *This = (ExplorerBrowserImpl*)iface;
 328     FIXME("stub, %p (%s, %p)\n", This, shdebugstr_guid(riid), ppv);
 329
 330     *ppv = NULL;
 331     return E_FAIL;
 332 }
 333
 334 static const IExplorerBrowserVtbl vt_IExplorerBrowser =
 335 {
 336     IExplorerBrowser_fnQueryInterface,
 337     IExplorerBrowser_fnAddRef,
 338     IExplorerBrowser_fnRelease,
 339     IExplorerBrowser_fnInitialize,
 340     IExplorerBrowser_fnDestroy,
 341     IExplorerBrowser_fnSetRect,
 342     IExplorerBrowser_fnSetPropertyBag,
 343     IExplorerBrowser_fnSetEmptyText,
 344     IExplorerBrowser_fnSetFolderSettings,
 345     IExplorerBrowser_fnAdvise,
 346     IExplorerBrowser_fnUnadvise,
 347     IExplorerBrowser_fnSetOptions,
 348     IExplorerBrowser_fnGetOptions,
 349     IExplorerBrowser_fnBrowseToIDList,
 350     IExplorerBrowser_fnBrowseToObject,
 351     IExplorerBrowser_fnFillFromObject,
 352     IExplorerBrowser_fnRemoveAll,
 353     IExplorerBrowser_fnGetCurrentView
 354 };
 355
 356 /**************************************************************************
 357  * IShellBrowser Implementation
 358  */
 359
 360 static inline ExplorerBrowserImpl *impl_from_IShellBrowser(IShellBrowser *iface)
 361 {
 362     return (ExplorerBrowserImpl *)((char*)iface - FIELD_OFFSET(ExplorerBrowserImpl, lpsbVtbl));
 363 }
 364
 365 static HRESULT WINAPI IShellBrowser_fnQueryInterface(IShellBrowser *iface,
 366                                                      REFIID riid, void **ppvObject)
 367 {
 368     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 369     TRACE("%p\n", This);
 370     return IUnknown_QueryInterface((IUnknown*) This, riid, ppvObject);
 371 }
 372
 373 static ULONG WINAPI IShellBrowser_fnAddRef(IShellBrowser *iface)
 374 {
 375     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 376     TRACE("%p\n", This);
 377     return IUnknown_AddRef((IUnknown*) This);
 378 }
 379
 380 static ULONG WINAPI IShellBrowser_fnRelease(IShellBrowser *iface)
 381 {
 382     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 383     TRACE("%p\n", This);
 384     return IUnknown_Release((IUnknown*) This);
 385 }
 386
 387 static HRESULT WINAPI IShellBrowser_fnGetWindow(IShellBrowser *iface, HWND *phwnd)
 388 {
 389     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 390     TRACE("%p (%p)\n", This, phwnd);
 391
 392     if(!This->hwnd_main)
 393         return E_FAIL;
 394
 395     *phwnd = This->hwnd_main;
 396     return S_OK;
 397 }
 398
 399 static HRESULT WINAPI IShellBrowser_fnContextSensitiveHelp(IShellBrowser *iface,
 400                                                            BOOL fEnterMode)
 401 {
 402     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 403     FIXME("stub, %p (%d)\n", This, fEnterMode);
 404
 405     return E_NOTIMPL;
 406 }
 407
 408 static HRESULT WINAPI IShellBrowser_fnInsertMenusSB(IShellBrowser *iface,
 409                                                     HMENU hmenuShared,
 410                                                     LPOLEMENUGROUPWIDTHS lpMenuWidths)
 411 {
 412     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 413     TRACE("%p (%p, %p)\n", This, hmenuShared, lpMenuWidths);
 414
 415     /* Not implemented. */
 416     return E_NOTIMPL;
 417 }
 418
 419 static HRESULT WINAPI IShellBrowser_fnSetMenuSB(IShellBrowser *iface,
 420                                                 HMENU hmenuShared,
 421                                                 HOLEMENU holemenuReserved,
 422                                                 HWND hwndActiveObject)
 423 {
 424     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 425     TRACE("%p (%p, %p, %p)\n", This, hmenuShared, holemenuReserved, hwndActiveObject);
 426
 427     /* Not implemented. */
 428     return E_NOTIMPL;
 429 }
 430
 431 static HRESULT WINAPI IShellBrowser_fnRemoveMenusSB(IShellBrowser *iface,
 432                                                     HMENU hmenuShared)
 433 {
 434     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 435     TRACE("%p (%p)\n", This, hmenuShared);
 436
 437     /* Not implemented. */
 438     return E_NOTIMPL;
 439 }
 440
 441 static HRESULT WINAPI IShellBrowser_fnSetStatusTextSB(IShellBrowser *iface,
 442                                                       LPCOLESTR pszStatusText)
 443 {
 444     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 445     FIXME("stub, %p (%s)\n", This, debugstr_w(pszStatusText));
 446
 447     return E_NOTIMPL;
 448 }
 449
 450 static HRESULT WINAPI IShellBrowser_fnEnableModelessSB(IShellBrowser *iface,
 451                                                        BOOL fEnable)
 452 {
 453     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 454     FIXME("stub, %p (%d)\n", This, fEnable);
 455
 456     return E_NOTIMPL;
 457 }
 458
 459 static HRESULT WINAPI IShellBrowser_fnTranslateAcceleratorSB(IShellBrowser *iface,
 460                                                              MSG *pmsg, WORD wID)
 461 {
 462     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 463     FIXME("stub, %p (%p, 0x%x)\n", This, pmsg, wID);
 464
 465     return E_NOTIMPL;
 466 }
 467
 468 static HRESULT WINAPI IShellBrowser_fnBrowseObject(IShellBrowser *iface,
 469                                                    LPCITEMIDLIST pidl, UINT wFlags)
 470 {
 471     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 472     FIXME("stub, %p\n", This);
 473
 474     return E_NOTIMPL;
 475 }
 476
 477 static HRESULT WINAPI IShellBrowser_fnGetViewStateStream(IShellBrowser *iface,
 478                                                          DWORD grfMode,
 479                                                          IStream **ppStrm)
 480 {
 481     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 482     FIXME("stub, %p (0x%x, %p)\n", This, grfMode, ppStrm);
 483
 484     *ppStrm = NULL;
 485     return E_FAIL;
 486 }
 487
 488 static HRESULT WINAPI IShellBrowser_fnGetControlWindow(IShellBrowser *iface,
 489                                                        UINT id, HWND *phwnd)
 490 {
 491     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 492     TRACE("%p (%d, %p)\n", This, id, phwnd);
 493
 494     /* Not implemented. */
 495     return E_NOTIMPL;
 496 }
 497
 498 static HRESULT WINAPI IShellBrowser_fnSendControlMsg(IShellBrowser *iface,
 499                                                      UINT id, UINT uMsg,
 500                                                      WPARAM wParam, LPARAM lParam,
 501                                                      LRESULT *pret)
 502 {
 503     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 504     FIXME("stub, %p (%d, %d, %lx, %lx, %p)\n", This, id, uMsg, wParam, lParam, pret);
 505
 506     return E_NOTIMPL;
 507 }
 508
 509 static HRESULT WINAPI IShellBrowser_fnQueryActiveShellView(IShellBrowser *iface,
 510                                                            IShellView **ppshv)
 511 {
 512     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 513     FIXME("stub, %p (%p)\n", This, ppshv);
 514
 515     return E_NOTIMPL;
 516 }
 517
 518 static HRESULT WINAPI IShellBrowser_fnOnViewWindowActive(IShellBrowser *iface,
 519                                                          IShellView *pshv)
 520 {
 521     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 522     FIXME("stub, %p (%p)\n", This, pshv);
 523
 524     return E_NOTIMPL;
 525 }
 526
 527 static HRESULT WINAPI IShellBrowser_fnSetToolbarItems(IShellBrowser *iface,
 528                                                       LPTBBUTTONSB lpButtons,
 529                                                       UINT nButtons, UINT uFlags)
 530 {
 531     ExplorerBrowserImpl *This = impl_from_IShellBrowser(iface);
 532     FIXME("stub, %p (%p, %d, 0x%x)\n", This, lpButtons, nButtons, uFlags);
 533
 534     return E_NOTIMPL;
 535 }
 536
 537 static const IShellBrowserVtbl vt_IShellBrowser = {
 538     IShellBrowser_fnQueryInterface,
 539     IShellBrowser_fnAddRef,
 540     IShellBrowser_fnRelease,
 541     IShellBrowser_fnGetWindow,
 542     IShellBrowser_fnContextSensitiveHelp,
 543     IShellBrowser_fnInsertMenusSB,
 544     IShellBrowser_fnSetMenuSB,
 545     IShellBrowser_fnRemoveMenusSB,
 546     IShellBrowser_fnSetStatusTextSB,
 547     IShellBrowser_fnEnableModelessSB,
 548     IShellBrowser_fnTranslateAcceleratorSB,
 549     IShellBrowser_fnBrowseObject,
 550     IShellBrowser_fnGetViewStateStream,
 551     IShellBrowser_fnGetControlWindow,
 552     IShellBrowser_fnSendControlMsg,
 553     IShellBrowser_fnQueryActiveShellView,
 554     IShellBrowser_fnOnViewWindowActive,
 555     IShellBrowser_fnSetToolbarItems
 556 };
 557
 558 HRESULT WINAPI ExplorerBrowser_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
 559 {
 560     ExplorerBrowserImpl *eb;
 561     HRESULT ret;
 562
 563     TRACE("%p %s %p\n", pUnkOuter, shdebugstr_guid (riid), ppv);
 564
 565     if(!ppv)
 566         return E_POINTER;
 567     if(pUnkOuter)
 568         return CLASS_E_NOAGGREGATION;
 569
 570     eb = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ExplorerBrowserImpl));
 571     eb->ref = 1;
 572     eb->lpVtbl = &vt_IExplorerBrowser;
 573     eb->lpsbVtbl = &vt_IShellBrowser;
 574
 575     ret = IExplorerBrowser_QueryInterface((IExplorerBrowser*)eb, riid, ppv);
 576     IExplorerBrowser_Release((IExplorerBrowser*)eb);
 577
 578     TRACE("--(%p)\n", ppv);
 579     return ret;
 580 }