dlls/shdocvw/navigate.c

   1 /*
   2  * Copyright 2006 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define NONAMELESSUNION
  20 #define NONAMELESSSTRUCT
  21
  22 #include "wine/debug.h"
  23 #include "wine/unicode.h"
  24
  25 #include "shdocvw.h"
  26 #include "mshtml.h"
  27 #include "exdispid.h"
  28 #include "shellapi.h"
  29 #include "winreg.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
  32
  33 typedef struct {
  34     const IBindStatusCallbackVtbl  *lpBindStatusCallbackVtbl;
  35     const IHttpNegotiateVtbl       *lpHttpNegotiateVtbl;
  36
  37     LONG ref;
  38
  39     HGLOBAL post_data;
  40     LPWSTR headers;
  41     ULONG post_data_len;
  42 } BindStatusCallback;
  43
  44 #define BINDSC(x)  ((IBindStatusCallback*) &(x)->lpBindStatusCallbackVtbl)
  45 #define HTTPNEG(x) ((IHttpNegotiate*)      &(x)->lpHttpNegotiateVtbl)
  46
  47 static void dump_BINDINFO(BINDINFO *bi)
  48 {
  49     static const char * const BINDINFOF_str[] = {
  50         "#0",
  51         "BINDINFOF_URLENCODESTGMEDDATA",
  52         "BINDINFOF_URLENCODEDEXTRAINFO"
  53     };
  54
  55     static const char * const BINDVERB_str[] = {
  56         "BINDVERB_GET",
  57         "BINDVERB_POST",
  58         "BINDVERB_PUT",
  59         "BINDVERB_CUSTOM"
  60     };
  61
  62     TRACE("\n"
  63             "BINDINFO = {\n"
  64             "    %d, %s,\n"
  65             "    {%d, %p, %p},\n"
  66             "    %s,\n"
  67             "    %s,\n"
  68             "    %s,\n"
  69             "    %d, %08x, %d, %d\n"
  70             "    {%d %p %x},\n"
  71             "    %s\n"
  72             "    %p, %d\n"
  73             "}\n",
  74
  75             bi->cbSize, debugstr_w(bi->szExtraInfo),
  76             bi->stgmedData.tymed, bi->stgmedData.u.hGlobal, bi->stgmedData.pUnkForRelease,
  77             bi->grfBindInfoF > BINDINFOF_URLENCODEDEXTRAINFO
  78                 ? "unknown" : BINDINFOF_str[bi->grfBindInfoF],
  79             bi->dwBindVerb > BINDVERB_CUSTOM
  80                 ? "unknown" : BINDVERB_str[bi->dwBindVerb],
  81             debugstr_w(bi->szCustomVerb),
  82             bi->cbstgmedData, bi->dwOptions, bi->dwOptionsFlags, bi->dwCodePage,
  83             bi->securityAttributes.nLength,
  84             bi->securityAttributes.lpSecurityDescriptor,
  85             bi->securityAttributes.bInheritHandle,
  86             debugstr_guid(&bi->iid),
  87             bi->pUnk, bi->dwReserved
  88             );
  89 }
  90
  91 #define BINDSC_THIS(iface) DEFINE_THIS(BindStatusCallback, BindStatusCallback, iface)
  92
  93 static HRESULT WINAPI BindStatusCallback_QueryInterface(IBindStatusCallback *iface,
  94                                                         REFIID riid, void **ppv)
  95 {
  96     BindStatusCallback *This = BINDSC_THIS(iface);
  97
  98     *ppv = NULL;
  99
 100     if(IsEqualGUID(&IID_IUnknown, riid)) {
 101         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 102         *ppv = BINDSC(This);
 103     }else if(IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 104         TRACE("(%p)->(IID_IBindStatusCallback %p)\n", This, ppv);
 105         *ppv = BINDSC(This);
 106     }else if(IsEqualGUID(&IID_IHttpNegotiate, riid)) {
 107         TRACE("(%p)->(IID_IHttpNegotiate %p)\n", This, ppv);
 108         *ppv = HTTPNEG(This);
 109     }
 110
 111     if(*ppv) {
 112         IBindStatusCallback_AddRef(BINDSC(This));
 113         return S_OK;
 114     }
 115
 116     WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 117     return E_NOINTERFACE;
 118 }
 119
 120 static ULONG WINAPI BindStatusCallback_AddRef(IBindStatusCallback *iface)
 121 {
 122     BindStatusCallback *This = BINDSC_THIS(iface);
 123     LONG ref = InterlockedIncrement(&This->ref);
 124
 125     TRACE("(%p) ref=%d\n", This, ref);
 126
 127     return ref;
 128 }
 129
 130 static ULONG WINAPI BindStatusCallback_Release(IBindStatusCallback *iface)
 131 {
 132     BindStatusCallback *This = BINDSC_THIS(iface);
 133     LONG ref = InterlockedDecrement(&This->ref);
 134
 135     TRACE("(%p) ref=%d\n", This, ref);
 136
 137     if(!ref) {
 138         if(This->post_data)
 139             GlobalFree(This->post_data);
 140         shdocvw_free(This->headers);
 141         shdocvw_free(This);
 142     }
 143
 144     return ref;
 145 }
 146
 147 static HRESULT WINAPI BindStatusCallback_OnStartBinding(IBindStatusCallback *iface,
 148        DWORD dwReserved, IBinding *pbind)
 149 {
 150     BindStatusCallback *This = BINDSC_THIS(iface);
 151     FIXME("(%p)->(%d %p)\n", This, dwReserved, pbind);
 152     return E_NOTIMPL;
 153 }
 154
 155 static HRESULT WINAPI BindStatusCallback_GetPriority(IBindStatusCallback *iface,
 156        LONG *pnPriority)
 157 {
 158     BindStatusCallback *This = BINDSC_THIS(iface);
 159     FIXME("(%p)->(%p)\n", This, pnPriority);
 160     return E_NOTIMPL;
 161 }
 162
 163 static HRESULT WINAPI BindStatusCallback_OnLowResource(IBindStatusCallback *iface,
 164        DWORD reserved)
 165 {
 166     BindStatusCallback *This = BINDSC_THIS(iface);
 167     FIXME("(%p)->(%d)\n", This, reserved);
 168     return E_NOTIMPL;
 169 }
 170
 171 static HRESULT WINAPI BindStatusCallback_OnProgress(IBindStatusCallback *iface,
 172         ULONG ulProgress, ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 173 {
 174     BindStatusCallback *This = BINDSC_THIS(iface);
 175     FIXME("(%p)->(%d %d %d %s)\n", This, ulProgress, ulProgressMax, ulStatusCode,
 176           debugstr_w(szStatusText));
 177     return E_NOTIMPL;
 178 }
 179
 180 static HRESULT WINAPI BindStatusCallback_OnStopBinding(IBindStatusCallback *iface,
 181         HRESULT hresult, LPCWSTR szError)
 182 {
 183     BindStatusCallback *This = BINDSC_THIS(iface);
 184     FIXME("(%p)->(%08x %s)\n", This, hresult, debugstr_w(szError));
 185     return E_NOTIMPL;
 186 }
 187
 188 static HRESULT WINAPI BindStatusCallback_GetBindInfo(IBindStatusCallback *iface,
 189         DWORD *grfBINDF, BINDINFO *pbindinfo)
 190 {
 191     BindStatusCallback *This = BINDSC_THIS(iface);
 192
 193     FIXME("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 194
 195     memset(pbindinfo, 0, sizeof(BINDINFO));
 196     pbindinfo->cbSize = sizeof(BINDINFO);
 197
 198     pbindinfo->cbstgmedData = This->post_data_len;
 199
 200     if(This->post_data) {
 201         pbindinfo->dwBindVerb = BINDVERB_POST;
 202
 203         pbindinfo->stgmedData.tymed = TYMED_HGLOBAL;
 204         pbindinfo->stgmedData.u.hGlobal = This->post_data;
 205         pbindinfo->stgmedData.pUnkForRelease = (IUnknown*)BINDSC(This);
 206         IBindStatusCallback_AddRef(BINDSC(This));
 207     }
 208
 209     return S_OK;
 210 }
 211
 212 static HRESULT WINAPI BindStatusCallback_OnDataAvailable(IBindStatusCallback *iface,
 213         DWORD grfBSCF, DWORD dwSize, FORMATETC *pformatetc, STGMEDIUM *pstgmed)
 214 {
 215     BindStatusCallback *This = BINDSC_THIS(iface);
 216     FIXME("(%p)->(%08x %d %p %p)\n", This, grfBSCF, dwSize, pformatetc, pstgmed);
 217     return E_NOTIMPL;
 218 }
 219
 220 #undef BSC_THIS
 221
 222 static const IBindStatusCallbackVtbl BindStatusCallbackVtbl = {
 223     BindStatusCallback_QueryInterface,
 224     BindStatusCallback_AddRef,
 225     BindStatusCallback_Release,
 226     BindStatusCallback_OnStartBinding,
 227     BindStatusCallback_GetPriority,
 228     BindStatusCallback_OnLowResource,
 229     BindStatusCallback_OnProgress,
 230     BindStatusCallback_OnStopBinding,
 231     BindStatusCallback_GetBindInfo,
 232     BindStatusCallback_OnDataAvailable
 233 };
 234
 235 #define HTTPNEG_THIS(iface) DEFINE_THIS(BindStatusCallback, HttpNegotiate, iface)
 236
 237 static HRESULT WINAPI HttpNegotiate_QueryInterface(IHttpNegotiate *iface,
 238                                                    REFIID riid, void **ppv)
 239 {
 240     BindStatusCallback *This = HTTPNEG_THIS(iface);
 241     return IBindStatusCallback_QueryInterface(BINDSC(This), riid, ppv);
 242 }
 243
 244 static ULONG WINAPI HttpNegotiate_AddRef(IHttpNegotiate *iface)
 245 {
 246     BindStatusCallback *This = HTTPNEG_THIS(iface);
 247     return IBindStatusCallback_AddRef(BINDSC(This));
 248 }
 249
 250 static ULONG WINAPI HttpNegotiate_Release(IHttpNegotiate *iface)
 251 {
 252     BindStatusCallback *This = HTTPNEG_THIS(iface);
 253     return IBindStatusCallback_Release(BINDSC(This));
 254 }
 255
 256 static HRESULT WINAPI HttpNegotiate_BeginningTransaction(IHttpNegotiate *iface,
 257         LPCWSTR szURL, LPCWSTR szHeaders, DWORD dwReserved, LPWSTR *pszAdditionalHeaders)
 258 {
 259     BindStatusCallback *This = HTTPNEG_THIS(iface);
 260
 261     FIXME("(%p)->(%s %s %d %p)\n", This, debugstr_w(szURL), debugstr_w(szHeaders),
 262           dwReserved, pszAdditionalHeaders);
 263
 264     if(This->headers) {
 265         int size = (strlenW(This->headers)+1)*sizeof(WCHAR);
 266         *pszAdditionalHeaders = CoTaskMemAlloc(size);
 267         memcpy(*pszAdditionalHeaders, This->headers, size);
 268     }
 269
 270     return S_OK;
 271 }
 272
 273 static HRESULT WINAPI HttpNegotiate_OnResponse(IHttpNegotiate *iface,
 274         DWORD dwResponseCode, LPCWSTR szResponseHeaders, LPCWSTR szRequestHeaders,
 275         LPWSTR *pszAdditionalRequestHeaders)
 276 {
 277     BindStatusCallback *This = HTTPNEG_THIS(iface);
 278     FIXME("(%p)->(%d %s %s %p)\n", This, dwResponseCode, debugstr_w(szResponseHeaders),
 279           debugstr_w(szRequestHeaders), pszAdditionalRequestHeaders);
 280     return E_NOTIMPL;
 281 }
 282
 283 #undef HTTPNEG_THIS
 284
 285 static const IHttpNegotiateVtbl HttpNegotiateVtbl = {
 286     HttpNegotiate_QueryInterface,
 287     HttpNegotiate_AddRef,
 288     HttpNegotiate_Release,
 289     HttpNegotiate_BeginningTransaction,
 290     HttpNegotiate_OnResponse
 291 };
 292
 293 static IBindStatusCallback *create_callback(DocHost *This, PBYTE post_data,
 294         ULONG post_data_len, LPWSTR headers, VARIANT_BOOL *cancel)
 295 {
 296     BindStatusCallback *ret = shdocvw_alloc(sizeof(BindStatusCallback));
 297
 298     ret->lpBindStatusCallbackVtbl = &BindStatusCallbackVtbl;
 299     ret->lpHttpNegotiateVtbl      = &HttpNegotiateVtbl;
 300
 301     ret->ref = 1;
 302     ret->post_data = NULL;
 303     ret->post_data_len = post_data_len;
 304     ret->headers = NULL;
 305
 306     if(post_data) {
 307         ret->post_data = GlobalAlloc(0, post_data_len);
 308         memcpy(ret->post_data, post_data, post_data_len);
 309     }
 310
 311     if(headers) {
 312         int size = (strlenW(headers)+1)*sizeof(WCHAR);
 313         ret->headers = shdocvw_alloc(size);
 314         memcpy(ret->headers, headers, size);
 315     }
 316
 317     return BINDSC(ret);
 318 }
 319
 320 static void on_before_navigate2(DocHost *This, LPCWSTR url, const BYTE *post_data,
 321                                 ULONG post_data_len, LPWSTR headers, VARIANT_BOOL *cancel)
 322 {
 323     VARIANT var_url, var_flags, var_frame_name, var_post_data, var_post_data2, var_headers;
 324     DISPPARAMS dispparams;
 325     VARIANTARG params[7];
 326
 327     dispparams.cArgs = 7;
 328     dispparams.cNamedArgs = 0;
 329     dispparams.rgdispidNamedArgs = NULL;
 330     dispparams.rgvarg = params;
 331
 332     V_VT(params) = VT_BOOL|VT_BYREF;
 333     V_BOOLREF(params) = cancel;
 334
 335     V_VT(params+1) = (VT_BYREF|VT_VARIANT);
 336     V_VARIANTREF(params+1) = &var_headers;
 337     V_VT(&var_headers) = VT_BSTR;
 338     V_BSTR(&var_headers) = headers;
 339
 340     V_VT(params+2) = (VT_BYREF|VT_VARIANT);
 341     V_VARIANTREF(params+2) = &var_post_data2;
 342     V_VT(&var_post_data2) = (VT_BYREF|VT_VARIANT);
 343     V_VARIANTREF(&var_post_data2) = &var_post_data;
 344     VariantInit(&var_post_data);
 345
 346     if(post_data_len) {
 347         SAFEARRAYBOUND bound = {post_data_len, 0};
 348         void *data;
 349
 350         V_VT(&var_post_data) = VT_UI1|VT_ARRAY;
 351         V_ARRAY(&var_post_data) = SafeArrayCreate(VT_UI1, 1, &bound);
 352
 353         SafeArrayAccessData(V_ARRAY(&var_post_data), &data);
 354         memcpy(data, post_data, post_data_len);
 355         SafeArrayUnaccessData(V_ARRAY(&var_post_data));
 356     }
 357
 358     V_VT(params+3) = (VT_BYREF|VT_VARIANT);
 359     V_VARIANTREF(params+3) = &var_frame_name;
 360     V_VT(&var_frame_name) = VT_BSTR;
 361     V_BSTR(&var_frame_name) = NULL;
 362
 363     V_VT(params+4) = (VT_BYREF|VT_VARIANT);
 364     V_VARIANTREF(params+4) = &var_flags;
 365     V_VT(&var_flags) = VT_I4;
 366     V_I4(&var_flags) = 0;
 367
 368     V_VT(params+5) = (VT_BYREF|VT_VARIANT);
 369     V_VARIANTREF(params+5) = &var_url;
 370     V_VT(&var_url) = VT_BSTR;
 371     V_BSTR(&var_url) = SysAllocString(url);
 372
 373     V_VT(params+6) = (VT_DISPATCH);
 374     V_DISPATCH(params+6) = This->disp;
 375
 376     call_sink(This->cps.wbe2, DISPID_BEFORENAVIGATE2, &dispparams);
 377
 378     SysFreeString(V_BSTR(&var_url));
 379     if(post_data_len)
 380         SafeArrayDestroy(V_ARRAY(&var_post_data));
 381 }
 382
 383 static BOOL try_application_url(LPCWSTR url)
 384 {
 385     SHELLEXECUTEINFOW exec_info;
 386     WCHAR app[64];
 387     HKEY hkey;
 388     DWORD res, type;
 389     HRESULT hres;
 390
 391     static const WCHAR wszURLProtocol[] = {'U','R','L',' ','P','r','o','t','o','c','o','l',0};
 392
 393     hres = CoInternetParseUrl(url, PARSE_SCHEMA, 0, app, sizeof(app)/sizeof(WCHAR), NULL, 0);
 394     if(FAILED(hres))
 395         return FALSE;
 396
 397     res = RegOpenKeyW(HKEY_CLASSES_ROOT, app, &hkey);
 398     if(res != ERROR_SUCCESS)
 399         return FALSE;
 400
 401     res = RegQueryValueExW(hkey, wszURLProtocol, NULL, &type, NULL, NULL);
 402     RegCloseKey(hkey);
 403     if(res != ERROR_SUCCESS || type != REG_SZ)
 404         return FALSE;
 405
 406     TRACE("openning application %s\n", debugstr_w(app));
 407
 408     memset(&exec_info, 0, sizeof(exec_info));
 409     exec_info.cbSize = sizeof(exec_info);
 410     exec_info.lpFile = url;
 411     exec_info.nShow = SW_SHOW;
 412
 413     return ShellExecuteExW(&exec_info);
 414 }
 415
 416 static HRESULT navigate(DocHost *This, IMoniker *mon, IBindCtx *bindctx)
 417 {
 418     IOleObject *oleobj;
 419     IPersistMoniker *persist;
 420     VARIANT_BOOL cancel = VARIANT_FALSE;
 421     HRESULT hres;
 422
 423     if(cancel) {
 424         FIXME("Cancel\n");
 425         return S_OK;
 426     }
 427
 428     IBindCtx_RegisterObjectParam(bindctx, (LPOLESTR)SZ_HTML_CLIENTSITE_OBJECTPARAM,
 429                                  (IUnknown*)CLIENTSITE(This));
 430
 431     /*
 432      * FIXME:
 433      * We should use URLMoniker's BindToObject instead creating HTMLDocument here.
 434      * This should be fixed when mshtml.dll and urlmon.dll will be good enough.
 435      */
 436
 437     if(This->document)
 438         deactivate_document(This);
 439
 440     hres = CoCreateInstance(&CLSID_HTMLDocument, NULL,
 441                             CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER,
 442                             &IID_IUnknown, (void**)&This->document);
 443
 444     if(FAILED(hres)) {
 445         ERR("Could not create HTMLDocument: %08x\n", hres);
 446         return hres;
 447     }
 448
 449     hres = IUnknown_QueryInterface(This->document, &IID_IPersistMoniker, (void**)&persist);
 450     if(FAILED(hres))
 451         return hres;
 452
 453     if(This->frame)
 454         IOleInPlaceFrame_EnableModeless(This->frame, FALSE); /* FIXME */
 455
 456     hres = IPersistMoniker_Load(persist, FALSE, mon, bindctx, 0);
 457     IPersistMoniker_Release(persist);
 458
 459     if(This->frame) {
 460         static const WCHAR empty[] = {0};
 461
 462         IOleInPlaceFrame_SetStatusText(This->frame, empty); /* FIXME */
 463         IOleInPlaceFrame_EnableModeless(This->frame, TRUE); /* FIXME */
 464     }
 465
 466     if(FAILED(hres)) {
 467         WARN("Load failed: %08x\n", hres);
 468         return hres;
 469     }
 470
 471     hres = IUnknown_QueryInterface(This->document, &IID_IOleObject, (void**)&oleobj);
 472     if(FAILED(hres))
 473         return hres;
 474
 475     hres = IOleObject_SetClientSite(oleobj, CLIENTSITE(This));
 476     IOleObject_Release(oleobj);
 477
 478     PostMessageW(This->hwnd, WB_WM_NAVIGATE2, 0, 0);
 479
 480     return hres;
 481
 482 }
 483
 484 static HRESULT bind_url_to_object(DocHost *This, LPCWSTR url, PBYTE post_data, ULONG post_data_len,
 485                      LPWSTR headers)
 486 {
 487     IBindStatusCallback *callback;
 488     IMoniker *mon;
 489     IBindCtx *bindctx;
 490     VARIANT_BOOL cancel = VARIANT_FALSE;
 491     HRESULT hres;
 492
 493     if(!This->hwnd)
 494         create_doc_view_hwnd(This);
 495
 496     hres = CreateURLMoniker(NULL, url, &mon);
 497     if(FAILED(hres)) {
 498         WARN("CreateURLMoniker failed: %08x\n", hres);
 499         return hres;
 500     }
 501
 502     IMoniker_GetDisplayName(mon, NULL, NULL, &This->url);
 503     TRACE("navigating to %s\n", debugstr_w(This->url));
 504
 505     callback = create_callback(This, post_data, post_data_len, (LPWSTR)headers, &cancel);
 506     CreateAsyncBindCtx(0, callback, 0, &bindctx);
 507     IBindStatusCallback_Release(callback);
 508
 509     hres = navigate(This, mon, bindctx);
 510
 511     IBindCtx_Release(bindctx);
 512     IMoniker_Release(mon);
 513
 514     return hres;
 515 }
 516
 517 HRESULT navigate_url(DocHost *This, LPCWSTR url, const VARIANT *Flags,
 518                      const VARIANT *TargetFrameName, VARIANT *PostData, VARIANT *Headers)
 519 {
 520     PBYTE post_data = NULL;
 521     ULONG post_data_len = 0;
 522     LPWSTR headers = NULL;
 523     HRESULT hres;
 524
 525     TRACE("navigating to %s\n", debugstr_w(url));
 526
 527     if((Flags && V_VT(Flags) != VT_EMPTY)
 528        || (TargetFrameName && V_VT(TargetFrameName) != VT_EMPTY))
 529         FIXME("Unsupported args (Flags %p:%d; TargetFrameName %p:%d)\n",
 530                 Flags, Flags ? V_VT(Flags) : -1, TargetFrameName,
 531                 TargetFrameName ? V_VT(TargetFrameName) : -1);
 532
 533     if(PostData) {
 534         TRACE("PostData vt=%d\n", V_VT(PostData));
 535
 536         if(V_VT(PostData) == (VT_ARRAY | VT_UI1)) {
 537             SafeArrayAccessData(V_ARRAY(PostData), (void**)&post_data);
 538             post_data_len = V_ARRAY(PostData)->rgsabound[0].cElements;
 539         }
 540     }
 541
 542     if(Headers && V_VT(Headers) != VT_EMPTY && V_VT(Headers) != VT_ERROR) {
 543         if(V_VT(Headers) != VT_BSTR)
 544             return E_INVALIDARG;
 545
 546         headers = V_BSTR(Headers);
 547         TRACE("Headers: %s\n", debugstr_w(headers));
 548     }
 549
 550     hres = bind_url_to_object(This, url, post_data, post_data_len, headers);
 551
 552     if(post_data)
 553         SafeArrayUnaccessData(V_ARRAY(PostData));
 554
 555     return hres;
 556 }
 557
 558 static HRESULT navigate_hlink(DocHost *This, IMoniker *mon, IBindCtx *bindctx,
 559                               IBindStatusCallback *callback)
 560 {
 561     IHttpNegotiate *http_negotiate;
 562     LPWSTR url = NULL;
 563     PBYTE post_data = NULL;
 564     ULONG post_data_len = 0;
 565     LPWSTR headers = NULL;
 566     VARIANT_BOOL cancel = VARIANT_FALSE;
 567     BINDINFO bindinfo;
 568     DWORD bindf = 0;
 569     HRESULT hres;
 570
 571     IMoniker_GetDisplayName(mon, NULL, NULL, &url);
 572     TRACE("navigating to %s\n", debugstr_w(url));
 573
 574     hres = IBindStatusCallback_QueryInterface(callback, &IID_IHttpNegotiate,
 575                                               (void**)&http_negotiate);
 576     if(SUCCEEDED(hres)) {
 577         static const WCHAR null_string[] = {0};
 578
 579         IHttpNegotiate_BeginningTransaction(http_negotiate, null_string, null_string, 0,
 580                                             &headers);
 581         IHttpNegotiate_Release(http_negotiate);
 582     }
 583
 584     memset(&bindinfo, 0, sizeof(bindinfo));
 585     bindinfo.cbSize = sizeof(bindinfo);
 586
 587     hres = IBindStatusCallback_GetBindInfo(callback, &bindf, &bindinfo);
 588     dump_BINDINFO(&bindinfo);
 589     if(bindinfo.dwBindVerb == BINDVERB_POST) {
 590         post_data_len = bindinfo.cbstgmedData;
 591         if(post_data_len)
 592             post_data = bindinfo.stgmedData.u.hGlobal;
 593     }
 594
 595     on_before_navigate2(This, url, post_data, post_data_len, headers, &cancel);
 596
 597     CoTaskMemFree(headers);
 598     ReleaseBindInfo(&bindinfo);
 599
 600     if(cancel) {
 601         FIXME("navigation canceled\n");
 602         CoTaskMemFree(url);
 603         return S_OK;
 604     }
 605
 606     /* FIXME: We should do it after BindToObject call */
 607     if(try_application_url(url))
 608         return S_OK;
 609
 610     This->url = url;
 611
 612     return navigate(This, mon, bindctx);
 613 }
 614
 615 HRESULT go_home(DocHost *This)
 616 {
 617     static const WCHAR wszAboutBlank[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
 618
 619     FIXME("stub\n");
 620
 621     return navigate_url(This, wszAboutBlank, NULL, NULL, NULL, NULL);
 622 }
 623
 624 #define HLINKFRAME_THIS(iface) DEFINE_THIS(WebBrowser, HlinkFrame, iface)
 625
 626 static HRESULT WINAPI HlinkFrame_QueryInterface(IHlinkFrame *iface, REFIID riid, void **ppv)
 627 {
 628     WebBrowser *This = HLINKFRAME_THIS(iface);
 629     return IWebBrowser2_QueryInterface(WEBBROWSER2(This), riid, ppv);
 630 }
 631
 632 static ULONG WINAPI HlinkFrame_AddRef(IHlinkFrame *iface)
 633 {
 634     WebBrowser *This = HLINKFRAME_THIS(iface);
 635     return IWebBrowser2_AddRef(WEBBROWSER2(This));
 636 }
 637
 638 static ULONG WINAPI HlinkFrame_Release(IHlinkFrame *iface)
 639 {
 640     WebBrowser *This = HLINKFRAME_THIS(iface);
 641     return IWebBrowser2_Release(WEBBROWSER2(This));
 642 }
 643
 644 static HRESULT WINAPI HlinkFrame_SetBrowseContext(IHlinkFrame *iface,
 645                                                   IHlinkBrowseContext *pihlbc)
 646 {
 647     WebBrowser *This = HLINKFRAME_THIS(iface);
 648     FIXME("(%p)->(%p)\n", This, pihlbc);
 649     return E_NOTIMPL;
 650 }
 651
 652 static HRESULT WINAPI HlinkFrame_GetBrowseContext(IHlinkFrame *iface,
 653                                                   IHlinkBrowseContext **ppihlbc)
 654 {
 655     WebBrowser *This = HLINKFRAME_THIS(iface);
 656     FIXME("(%p)->(%p)\n", This, ppihlbc);
 657     return E_NOTIMPL;
 658 }
 659
 660 static HRESULT WINAPI HlinkFrame_Navigate(IHlinkFrame *iface, DWORD grfHLNF, LPBC pbc,
 661                                           IBindStatusCallback *pibsc, IHlink *pihlNavigate)
 662 {
 663     WebBrowser *This = HLINKFRAME_THIS(iface);
 664     IMoniker *mon;
 665     LPWSTR location = NULL;
 666
 667     TRACE("(%p)->(%08x %p %p %p)\n", This, grfHLNF, pbc, pibsc, pihlNavigate);
 668
 669     if(grfHLNF)
 670         FIXME("unsupported grfHLNF=%08x\n", grfHLNF);
 671
 672     /* Windows calls GetTargetFrameName here. */
 673
 674     IHlink_GetMonikerReference(pihlNavigate, 1, &mon, &location);
 675
 676     if(location) {
 677         FIXME("location = %s\n", debugstr_w(location));
 678         CoTaskMemFree(location);
 679     }
 680
 681     /* Windows calls GetHlinkSite here */
 682
 683     if(grfHLNF & HLNF_OPENINNEWWINDOW) {
 684         FIXME("Not supported HLNF_OPENINNEWWINDOW\n");
 685         return E_NOTIMPL;
 686     }
 687
 688     return navigate_hlink(&This->doc_host, mon, pbc, pibsc);
 689 }
 690
 691 static HRESULT WINAPI HlinkFrame_OnNavigate(IHlinkFrame *iface, DWORD grfHLNF,
 692         IMoniker *pimkTarget, LPCWSTR pwzLocation, LPCWSTR pwzFriendlyName, DWORD dwreserved)
 693 {
 694     WebBrowser *This = HLINKFRAME_THIS(iface);
 695     FIXME("(%p)->(%08x %p %s %s %d)\n", This, grfHLNF, pimkTarget, debugstr_w(pwzLocation),
 696           debugstr_w(pwzFriendlyName), dwreserved);
 697     return E_NOTIMPL;
 698 }
 699
 700 static HRESULT WINAPI HlinkFrame_UpdateHlink(IHlinkFrame *iface, ULONG uHLID,
 701         IMoniker *pimkTarget, LPCWSTR pwzLocation, LPCWSTR pwzFriendlyName)
 702 {
 703     WebBrowser *This = HLINKFRAME_THIS(iface);
 704     FIXME("(%p)->(%u %p %s %s)\n", This, uHLID, pimkTarget, debugstr_w(pwzLocation),
 705           debugstr_w(pwzFriendlyName));
 706     return E_NOTIMPL;
 707 }
 708
 709 #undef HLINKFRAME_THIS
 710
 711 static const IHlinkFrameVtbl HlinkFrameVtbl = {
 712     HlinkFrame_QueryInterface,
 713     HlinkFrame_AddRef,
 714     HlinkFrame_Release,
 715     HlinkFrame_SetBrowseContext,
 716     HlinkFrame_GetBrowseContext,
 717     HlinkFrame_Navigate,
 718     HlinkFrame_OnNavigate,
 719     HlinkFrame_UpdateHlink
 720 };
 721
 722 void WebBrowser_HlinkFrame_Init(WebBrowser *This)
 723 {
 724     This->lpHlinkFrameVtbl = &HlinkFrameVtbl;
 725 }