dll/win32/ieframe/dochost.c

   1 /*
   2  * Copyright 2005-2006 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 #include "ieframe.h"
  20
  21 #include "exdispid.h"
  22 #include "mshtml.h"
  23 #include "perhist.h"
  24 #include "initguid.h"
  25
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(ieframe);
  29
  30 DEFINE_OLEGUID(CGID_DocHostCmdPriv, 0x000214D4L, 0, 0);
  31
  32 #define DOCHOST_DOCCANNAVIGATE  0
  33
  34 /* Undocumented notification, see mshtml tests */
  35 #define CMDID_EXPLORER_UPDATEHISTORY 38
  36
  37 static ATOM doc_view_atom = 0;
  38
  39 void push_dochost_task(DocHost *This, task_header_t *task, task_proc_t proc, task_destr_t destr, BOOL send)
  40 {
  41     BOOL is_empty;
  42
  43     task->proc = proc;
  44     task->destr = destr;
  45
  46     is_empty = list_empty(&This->task_queue);
  47     list_add_tail(&This->task_queue, &task->entry);
  48
  49     if(send)
  50         SendMessageW(This->frame_hwnd, WM_DOCHOSTTASK, 0, 0);
  51     else if(is_empty)
  52         PostMessageW(This->frame_hwnd, WM_DOCHOSTTASK, 0, 0);
  53 }
  54
  55 LRESULT process_dochost_tasks(DocHost *This)
  56 {
  57     task_header_t *task;
  58
  59     while(!list_empty(&This->task_queue)) {
  60         task = LIST_ENTRY(This->task_queue.next, task_header_t, entry);
  61         list_remove(&task->entry);
  62
  63         task->proc(This, task);
  64         task->destr(task);
  65     }
  66
  67     return 0;
  68 }
  69
  70 void abort_dochost_tasks(DocHost *This, task_proc_t proc)
  71 {
  72     task_header_t *task, *cursor;
  73
  74     LIST_FOR_EACH_ENTRY_SAFE(task, cursor, &This->task_queue, task_header_t, entry) {
  75         if(proc && proc != task->proc)
  76             continue;
  77
  78         list_remove(&task->entry);
  79         task->destr(task);
  80     }
  81 }
  82
  83 void on_commandstate_change(DocHost *doc_host, LONG command, BOOL enable)
  84 {
  85     DISPPARAMS dispparams;
  86     VARIANTARG params[2];
  87
  88     TRACE("command=%d enable=%d\n", command, enable);
  89
  90     dispparams.cArgs = 2;
  91     dispparams.cNamedArgs = 0;
  92     dispparams.rgdispidNamedArgs = NULL;
  93     dispparams.rgvarg = params;
  94
  95     V_VT(params) = VT_BOOL;
  96     V_BOOL(params) = enable ? VARIANT_TRUE : VARIANT_FALSE;
  97
  98     V_VT(params+1) = VT_I4;
  99     V_I4(params+1) = command;
 100
 101     call_sink(doc_host->cps.wbe2, DISPID_COMMANDSTATECHANGE, &dispparams);
 102
 103     doc_host->container_vtbl->on_command_state_change(doc_host, command, enable);
 104 }
 105
 106 void update_navigation_commands(DocHost *dochost)
 107 {
 108     unsigned pos = dochost->travellog.loading_pos == -1 ? dochost->travellog.position : dochost->travellog.loading_pos;
 109
 110     on_commandstate_change(dochost, CSC_NAVIGATEBACK, pos > 0);
 111     on_commandstate_change(dochost, CSC_NAVIGATEFORWARD, pos < dochost->travellog.length);
 112 }
 113
 114 static void notif_complete(DocHost *This, DISPID dispid)
 115 {
 116     DISPPARAMS dispparams;
 117     VARIANTARG params[2];
 118     VARIANT url;
 119
 120     dispparams.cArgs = 2;
 121     dispparams.cNamedArgs = 0;
 122     dispparams.rgdispidNamedArgs = NULL;
 123     dispparams.rgvarg = params;
 124
 125     V_VT(params) = (VT_BYREF|VT_VARIANT);
 126     V_BYREF(params) = &url;
 127
 128     V_VT(params+1) = VT_DISPATCH;
 129     V_DISPATCH(params+1) = (IDispatch*)This->wb;
 130
 131     V_VT(&url) = VT_BSTR;
 132     V_BSTR(&url) = SysAllocString(This->url);
 133
 134     TRACE("%d >>>\n", dispid);
 135     call_sink(This->cps.wbe2, dispid, &dispparams);
 136     TRACE("%d <<<\n", dispid);
 137
 138     SysFreeString(V_BSTR(&url));
 139 }
 140
 141 static void object_available(DocHost *This)
 142 {
 143     IHlinkTarget *hlink;
 144     HRESULT hres;
 145
 146     TRACE("(%p)\n", This);
 147
 148     if(!This->document) {
 149         WARN("document == NULL\n");
 150         return;
 151     }
 152
 153     hres = IUnknown_QueryInterface(This->document, &IID_IHlinkTarget, (void**)&hlink);
 154     if(SUCCEEDED(hres)) {
 155         hres = IHlinkTarget_Navigate(hlink, 0, NULL);
 156         IHlinkTarget_Release(hlink);
 157         if(FAILED(hres))
 158             FIXME("Navigate failed\n");
 159     }else {
 160         IOleObject *ole_object;
 161         RECT rect;
 162
 163         TRACE("No IHlink iface\n");
 164
 165         hres = IUnknown_QueryInterface(This->document, &IID_IOleObject, (void**)&ole_object);
 166         if(FAILED(hres)) {
 167             FIXME("Could not get IOleObject iface: %08x\n", hres);
 168             return;
 169         }
 170
 171         GetClientRect(This->hwnd, &rect);
 172         hres = IOleObject_DoVerb(ole_object, OLEIVERB_SHOW, NULL, &This->IOleClientSite_iface, -1, This->hwnd, &rect);
 173         IOleObject_Release(ole_object);
 174         if(FAILED(hres))
 175             FIXME("DoVerb failed: %08x\n", hres);
 176     }
 177 }
 178
 179 static HRESULT get_doc_ready_state(DocHost *This, READYSTATE *ret)
 180 {
 181     DISPPARAMS dp = {NULL,NULL,0,0};
 182     IDispatch *disp;
 183     EXCEPINFO ei;
 184     VARIANT var;
 185     HRESULT hres;
 186
 187     hres = IUnknown_QueryInterface(This->document, &IID_IDispatch, (void**)&disp);
 188     if(FAILED(hres))
 189         return hres;
 190
 191     hres = IDispatch_Invoke(disp, DISPID_READYSTATE, &IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYGET,
 192             &dp, &var, &ei, NULL);
 193     IDispatch_Release(disp);
 194     if(FAILED(hres)) {
 195         WARN("Invoke(DISPID_READYSTATE failed: %08x\n", hres);
 196         return hres;
 197     }
 198
 199     if(V_VT(&var) != VT_I4) {
 200         WARN("V_VT(var) = %d\n", V_VT(&var));
 201         VariantClear(&var);
 202         return E_FAIL;
 203     }
 204
 205     *ret = V_I4(&var);
 206     return S_OK;
 207 }
 208
 209 static void advise_prop_notif(DocHost *This, BOOL set)
 210 {
 211     IConnectionPointContainer *cp_container;
 212     IConnectionPoint *cp;
 213     HRESULT hres;
 214
 215     hres = IUnknown_QueryInterface(This->document, &IID_IConnectionPointContainer, (void**)&cp_container);
 216     if(FAILED(hres))
 217         return;
 218
 219     hres = IConnectionPointContainer_FindConnectionPoint(cp_container, &IID_IPropertyNotifySink, &cp);
 220     IConnectionPointContainer_Release(cp_container);
 221     if(FAILED(hres))
 222         return;
 223
 224     if(set)
 225         hres = IConnectionPoint_Advise(cp, (IUnknown*)&This->IPropertyNotifySink_iface, &This->prop_notif_cookie);
 226     else
 227         hres = IConnectionPoint_Unadvise(cp, This->prop_notif_cookie);
 228     IConnectionPoint_Release(cp);
 229
 230     if(SUCCEEDED(hres))
 231         This->is_prop_notif = set;
 232 }
 233
 234 void set_doc_state(DocHost *This, READYSTATE doc_state)
 235 {
 236     This->doc_state = doc_state;
 237     if(doc_state > This->ready_state)
 238         This->ready_state = doc_state;
 239 }
 240
 241 static void update_ready_state(DocHost *This, READYSTATE ready_state)
 242 {
 243     if(ready_state > READYSTATE_LOADING && This->travellog.loading_pos != -1) {
 244         WARN("histupdate not notified\n");
 245         This->travellog.position = This->travellog.loading_pos;
 246         This->travellog.loading_pos = -1;
 247     }
 248
 249     if(ready_state > READYSTATE_LOADING && This->doc_state <= READYSTATE_LOADING && !This->browser_service /* FIXME */)
 250         notif_complete(This, DISPID_NAVIGATECOMPLETE2);
 251
 252     if(ready_state == READYSTATE_COMPLETE && This->doc_state < READYSTATE_COMPLETE) {
 253         set_doc_state(This, READYSTATE_COMPLETE);
 254         if(!This->browser_service) /* FIXME: Not fully correct */
 255             notif_complete(This, DISPID_DOCUMENTCOMPLETE);
 256     }else {
 257         set_doc_state(This, ready_state);
 258     }
 259 }
 260
 261 typedef struct {
 262     task_header_t header;
 263     IUnknown *doc;
 264     READYSTATE ready_state;
 265 } ready_state_task_t;
 266
 267 static void ready_state_task_destr(task_header_t *_task)
 268 {
 269     ready_state_task_t *task = (ready_state_task_t*)_task;
 270
 271     IUnknown_Release(task->doc);
 272     heap_free(task);
 273 }
 274
 275 static void ready_state_proc(DocHost *This, task_header_t *_task)
 276 {
 277     ready_state_task_t *task = (ready_state_task_t*)_task;
 278
 279     if(task->doc == This->document)
 280         update_ready_state(This, task->ready_state);
 281 }
 282
 283 static void push_ready_state_task(DocHost *This, READYSTATE ready_state)
 284 {
 285     ready_state_task_t *task = heap_alloc(sizeof(ready_state_task_t));
 286
 287     IUnknown_AddRef(This->document);
 288     task->doc = This->document;
 289     task->ready_state = ready_state;
 290
 291     push_dochost_task(This, &task->header, ready_state_proc, ready_state_task_destr, FALSE);
 292 }
 293
 294 static void object_available_task_destr(task_header_t *task)
 295 {
 296     heap_free(task);
 297 }
 298
 299 static void object_available_proc(DocHost *This, task_header_t *task)
 300 {
 301     object_available(This);
 302 }
 303
 304 HRESULT dochost_object_available(DocHost *This, IUnknown *doc)
 305 {
 306     READYSTATE ready_state;
 307     task_header_t *task;
 308     IOleObject *oleobj;
 309     HRESULT hres;
 310
 311     IUnknown_AddRef(doc);
 312     This->document = doc;
 313
 314     hres = IUnknown_QueryInterface(doc, &IID_IOleObject, (void**)&oleobj);
 315     if(SUCCEEDED(hres)) {
 316         CLSID clsid;
 317
 318         hres = IOleObject_GetUserClassID(oleobj, &clsid);
 319         if(SUCCEEDED(hres))
 320             TRACE("Got clsid %s\n",
 321                   IsEqualGUID(&clsid, &CLSID_HTMLDocument) ? "CLSID_HTMLDocument" : debugstr_guid(&clsid));
 322
 323         hres = IOleObject_SetClientSite(oleobj, &This->IOleClientSite_iface);
 324         if(FAILED(hres))
 325             FIXME("SetClientSite failed: %08x\n", hres);
 326
 327         IOleObject_Release(oleobj);
 328     }else {
 329         FIXME("Could not get IOleObject iface: %08x\n", hres);
 330     }
 331
 332     /* FIXME: Call SetAdvise */
 333
 334     task = heap_alloc(sizeof(*task));
 335     push_dochost_task(This, task, object_available_proc, object_available_task_destr, FALSE);
 336
 337     hres = get_doc_ready_state(This, &ready_state);
 338     if(SUCCEEDED(hres)) {
 339         if(ready_state == READYSTATE_COMPLETE)
 340             push_ready_state_task(This, READYSTATE_COMPLETE);
 341         if(ready_state != READYSTATE_COMPLETE || This->doc_navigate)
 342             advise_prop_notif(This, TRUE);
 343     }else if(!This->doc_navigate) {
 344         /* If we can't get document's ready state, there is not much we can do.
 345          * Assume that document is complete at this point. */
 346         push_ready_state_task(This, READYSTATE_COMPLETE);
 347     }
 348
 349     return S_OK;
 350 }
 351
 352 static LRESULT resize_document(DocHost *This, LONG width, LONG height)
 353 {
 354     RECT rect = {0, 0, width, height};
 355
 356     TRACE("(%p)->(%d %d)\n", This, width, height);
 357
 358     if(This->view)
 359         IOleDocumentView_SetRect(This->view, &rect);
 360
 361     return 0;
 362 }
 363
 364 static LRESULT WINAPI doc_view_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 365 {
 366     DocHost *This;
 367
 368     static const WCHAR wszTHIS[] = {'T','H','I','S',0};
 369
 370     if(msg == WM_CREATE) {
 371         This = *(DocHost**)lParam;
 372         SetPropW(hwnd, wszTHIS, This);
 373     }else {
 374         This = GetPropW(hwnd, wszTHIS);
 375     }
 376
 377     switch(msg) {
 378     case WM_SIZE:
 379         return resize_document(This, LOWORD(lParam), HIWORD(lParam));
 380     }
 381
 382     return DefWindowProcW(hwnd, msg, wParam, lParam);
 383 }
 384
 385 static void free_travellog_entry(travellog_entry_t *entry)
 386 {
 387     if(entry->stream)
 388         IStream_Release(entry->stream);
 389     heap_free(entry->url);
 390 }
 391
 392 static IStream *get_travellog_stream(DocHost *This)
 393 {
 394     IPersistHistory *persist_history;
 395     IStream *stream;
 396     HRESULT hres;
 397
 398     hres = IUnknown_QueryInterface(This->document, &IID_IPersistHistory, (void**)&persist_history);
 399     if(FAILED(hres))
 400         return NULL;
 401
 402     hres = CreateStreamOnHGlobal(NULL, TRUE, &stream);
 403     if(SUCCEEDED(hres))
 404         hres = IPersistHistory_SaveHistory(persist_history, stream);
 405     IPersistHistory_Release(persist_history);
 406     if(FAILED(hres)) {
 407         IStream_Release(stream);
 408         return NULL;
 409     }
 410
 411     return stream;
 412 }
 413
 414 static void dump_travellog(DocHost *This)
 415 {
 416     unsigned i;
 417
 418     for(i=0; i < This->travellog.length; i++)
 419         TRACE("%d: %s %s\n", i, i == This->travellog.position ? "=>" : "  ", debugstr_w(This->travellog.log[i].url));
 420     if(i == This->travellog.position)
 421         TRACE("%d: =>\n", i);
 422 }
 423
 424 static void update_travellog(DocHost *This)
 425 {
 426     travellog_entry_t *new_entry;
 427
 428     static const WCHAR about_schemeW[] = {'a','b','o','u','t',':'};
 429
 430     if(This->url && !_wcsnicmp(This->url, about_schemeW, ARRAY_SIZE(about_schemeW))) {
 431         TRACE("Skipping about URL\n");
 432         return;
 433     }
 434
 435     if(!This->travellog.log) {
 436         This->travellog.log = heap_alloc(4 * sizeof(*This->travellog.log));
 437         if(!This->travellog.log)
 438             return;
 439
 440         This->travellog.size = 4;
 441     }else if(This->travellog.size < This->travellog.position+1) {
 442         travellog_entry_t *new_travellog;
 443
 444         new_travellog = heap_realloc(This->travellog.log, This->travellog.size*2*sizeof(*This->travellog.log));
 445         if(!new_travellog)
 446             return;
 447
 448         This->travellog.log = new_travellog;
 449         This->travellog.size *= 2;
 450     }
 451
 452     if(This->travellog.loading_pos == -1) {
 453         /* Clear forward history. */
 454         while(This->travellog.length > This->travellog.position)
 455             free_travellog_entry(This->travellog.log + --This->travellog.length);
 456     }
 457
 458     new_entry = This->travellog.log + This->travellog.position;
 459
 460     new_entry->url = heap_strdupW(This->url);
 461     TRACE("Adding %s at %d\n", debugstr_w(This->url), This->travellog.position);
 462     if(!new_entry->url)
 463         return;
 464
 465     new_entry->stream = get_travellog_stream(This);
 466
 467     if(This->travellog.loading_pos == -1) {
 468         This->travellog.position++;
 469     }else {
 470          This->travellog.position = This->travellog.loading_pos;
 471          This->travellog.loading_pos = -1;
 472     }
 473     if(This->travellog.position > This->travellog.length)
 474         This->travellog.length = This->travellog.position;
 475
 476     dump_travellog(This);
 477 }
 478
 479 void create_doc_view_hwnd(DocHost *This)
 480 {
 481     RECT rect;
 482
 483     static const WCHAR wszShell_DocObject_View[] =
 484         {'S','h','e','l','l',' ','D','o','c','O','b','j','e','c','t',' ','V','i','e','w',0};
 485
 486     if(!doc_view_atom) {
 487         static WNDCLASSEXW wndclass = {
 488             sizeof(wndclass),
 489             CS_PARENTDC,
 490             doc_view_proc,
 491             0, 0 /* native uses 4*/, NULL, NULL, NULL,
 492             (HBRUSH)(COLOR_WINDOW + 1), NULL,
 493             wszShell_DocObject_View,
 494             NULL
 495         };
 496
 497         wndclass.hInstance = ieframe_instance;
 498
 499         doc_view_atom = RegisterClassExW(&wndclass);
 500     }
 501
 502     This->container_vtbl->get_docobj_rect(This, &rect);
 503     This->hwnd = CreateWindowExW(0, wszShell_DocObject_View,
 504          wszShell_DocObject_View,
 505          WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TABSTOP,
 506          rect.left, rect.top, rect.right, rect.bottom, This->frame_hwnd,
 507          NULL, ieframe_instance, This);
 508 }
 509
 510 void deactivate_document(DocHost *This)
 511 {
 512     IOleInPlaceObjectWindowless *winobj;
 513     IOleObject *oleobj = NULL;
 514     IHlinkTarget *hlink = NULL;
 515     HRESULT hres;
 516
 517     if(!This->document) return;
 518
 519     if(This->doc_navigate) {
 520         IUnknown_Release(This->doc_navigate);
 521         This->doc_navigate = NULL;
 522     }
 523
 524     if(This->is_prop_notif)
 525         advise_prop_notif(This, FALSE);
 526
 527     if(This->view)
 528         IOleDocumentView_UIActivate(This->view, FALSE);
 529
 530     hres = IUnknown_QueryInterface(This->document, &IID_IOleInPlaceObjectWindowless,
 531                                    (void**)&winobj);
 532     if(SUCCEEDED(hres)) {
 533         IOleInPlaceObjectWindowless_InPlaceDeactivate(winobj);
 534         IOleInPlaceObjectWindowless_Release(winobj);
 535     }
 536
 537     if(This->view) {
 538         IOleDocumentView_Show(This->view, FALSE);
 539         IOleDocumentView_CloseView(This->view, 0);
 540         IOleDocumentView_SetInPlaceSite(This->view, NULL);
 541         IOleDocumentView_Release(This->view);
 542         This->view = NULL;
 543     }
 544
 545     hres = IUnknown_QueryInterface(This->document, &IID_IOleObject, (void**)&oleobj);
 546     if(SUCCEEDED(hres))
 547         IOleObject_Close(oleobj, OLECLOSE_NOSAVE);
 548
 549     hres = IUnknown_QueryInterface(This->document, &IID_IHlinkTarget, (void**)&hlink);
 550     if(SUCCEEDED(hres)) {
 551         IHlinkTarget_SetBrowseContext(hlink, NULL);
 552         IHlinkTarget_Release(hlink);
 553     }
 554
 555     if(oleobj) {
 556         IOleClientSite *client_site = NULL;
 557
 558         IOleObject_GetClientSite(oleobj, &client_site);
 559         if(client_site) {
 560             if(client_site == &This->IOleClientSite_iface)
 561                 IOleObject_SetClientSite(oleobj, NULL);
 562             IOleClientSite_Release(client_site);
 563         }
 564
 565         IOleObject_Release(oleobj);
 566     }
 567
 568     IUnknown_Release(This->document);
 569     This->document = NULL;
 570 }
 571
 572 HRESULT refresh_document(DocHost *This, const VARIANT *level)
 573 {
 574     IOleCommandTarget *cmdtrg;
 575     VARIANT vin, vout;
 576     HRESULT hres;
 577
 578     if(level && (V_VT(level) != VT_I4 || V_I4(level) != REFRESH_NORMAL))
 579         FIXME("Unsupported refresh level %s\n", debugstr_variant(level));
 580
 581     if(!This->document) {
 582         FIXME("no document\n");
 583         return E_FAIL;
 584     }
 585
 586     hres = IUnknown_QueryInterface(This->document, &IID_IOleCommandTarget, (void**)&cmdtrg);
 587     if(FAILED(hres))
 588         return hres;
 589
 590     V_VT(&vin) = VT_EMPTY;
 591     V_VT(&vout) = VT_EMPTY;
 592     hres = IOleCommandTarget_Exec(cmdtrg, NULL, OLECMDID_REFRESH, OLECMDEXECOPT_PROMPTUSER, &vin, &vout);
 593     IOleCommandTarget_Release(cmdtrg);
 594     if(FAILED(hres))
 595         return hres;
 596
 597     VariantClear(&vout);
 598     return S_OK;
 599 }
 600
 601 void release_dochost_client(DocHost *This)
 602 {
 603     if(This->hwnd) {
 604         DestroyWindow(This->hwnd);
 605         This->hwnd = NULL;
 606     }
 607
 608     if(This->hostui) {
 609         IDocHostUIHandler_Release(This->hostui);
 610         This->hostui = NULL;
 611     }
 612
 613     if(This->client_disp) {
 614         IDispatch_Release(This->client_disp);
 615         This->client_disp = NULL;
 616     }
 617
 618     if(This->frame) {
 619         IOleInPlaceFrame_Release(This->frame);
 620         This->frame = NULL;
 621     }
 622
 623     if(This->olecmd) {
 624         IOleCommandTarget_Release(This->olecmd);
 625         This->olecmd = NULL;
 626     }
 627 }
 628
 629 static inline DocHost *impl_from_IOleCommandTarget(IOleCommandTarget *iface)
 630 {
 631     return CONTAINING_RECORD(iface, DocHost, IOleCommandTarget_iface);
 632 }
 633
 634 static HRESULT WINAPI ClOleCommandTarget_QueryInterface(IOleCommandTarget *iface,
 635         REFIID riid, void **ppv)
 636 {
 637     DocHost *This = impl_from_IOleCommandTarget(iface);
 638     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
 639 }
 640
 641 static ULONG WINAPI ClOleCommandTarget_AddRef(IOleCommandTarget *iface)
 642 {
 643     DocHost *This = impl_from_IOleCommandTarget(iface);
 644     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
 645 }
 646
 647 static ULONG WINAPI ClOleCommandTarget_Release(IOleCommandTarget *iface)
 648 {
 649     DocHost *This = impl_from_IOleCommandTarget(iface);
 650     return IOleClientSite_Release(&This->IOleClientSite_iface);
 651 }
 652
 653 static HRESULT WINAPI ClOleCommandTarget_QueryStatus(IOleCommandTarget *iface,
 654         const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT *pCmdText)
 655 {
 656     DocHost *This = impl_from_IOleCommandTarget(iface);
 657     ULONG i;
 658
 659     TRACE("(%p)->(%s %u %p %p)\n", This, debugstr_guid(pguidCmdGroup), cCmds, prgCmds,
 660           pCmdText);
 661     for(i=0; prgCmds && i < cCmds; i++)
 662         TRACE("unsupported command %u (%x)\n", prgCmds[i].cmdID, prgCmds[i].cmdf);
 663
 664     return E_NOTIMPL;
 665 }
 666
 667 static HRESULT WINAPI ClOleCommandTarget_Exec(IOleCommandTarget *iface,
 668         const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn,
 669         VARIANT *pvaOut)
 670 {
 671     DocHost *This = impl_from_IOleCommandTarget(iface);
 672
 673     TRACE("(%p)->(%s %d %d %s %s)\n", This, debugstr_guid(pguidCmdGroup), nCmdID, nCmdexecopt,
 674             debugstr_variant(pvaIn), debugstr_variant(pvaOut));
 675
 676     if(!pguidCmdGroup) {
 677         switch(nCmdID) {
 678         case OLECMDID_UPDATECOMMANDS:
 679             if(!This->olecmd)
 680                 return E_NOTIMPL;
 681             return IOleCommandTarget_Exec(This->olecmd, pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
 682         case OLECMDID_SETDOWNLOADSTATE:
 683             if(pvaIn && V_VT(pvaIn) == VT_I4)
 684                 This->busy = V_I4(pvaIn) ? VARIANT_TRUE : VARIANT_FALSE;
 685             if(This->olecmd)
 686                 return IOleCommandTarget_Exec(This->olecmd, pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
 687
 688             if(!pvaIn || V_VT(pvaIn) != VT_I4)
 689                 return E_INVALIDARG;
 690
 691             notify_download_state(This, V_I4(pvaIn));
 692             return S_OK;
 693         default:
 694             TRACE("Unimplemented cmdid %d\n", nCmdID);
 695             return E_NOTIMPL;
 696         }
 697     }
 698
 699     if(IsEqualGUID(pguidCmdGroup, &CGID_DocHostCmdPriv)) {
 700         switch(nCmdID) {
 701         case DOCHOST_DOCCANNAVIGATE:
 702             if(!pvaIn || V_VT(pvaIn) != VT_UNKNOWN)
 703                 return E_INVALIDARG;
 704
 705             if(This->doc_navigate)
 706                 IUnknown_Release(This->doc_navigate);
 707             IUnknown_AddRef(V_UNKNOWN(pvaIn));
 708             This->doc_navigate = V_UNKNOWN(pvaIn);
 709             return S_OK;
 710
 711         case 1: {
 712             IHTMLWindow2 *win2;
 713             SAFEARRAY *sa = V_ARRAY(pvaIn);
 714             VARIANT status_code, url, htmlwindow;
 715             LONG ind;
 716             HRESULT hres;
 717
 718             if(V_VT(pvaIn) != VT_ARRAY || !sa || (SafeArrayGetDim(sa) != 1))
 719                 return E_INVALIDARG;
 720
 721             ind = 0;
 722             hres = SafeArrayGetElement(sa, &ind, &status_code);
 723             if(FAILED(hres) || V_VT(&status_code)!=VT_I4)
 724                 return E_INVALIDARG;
 725
 726             ind = 1;
 727             hres = SafeArrayGetElement(sa, &ind, &url);
 728             if(FAILED(hres) || V_VT(&url)!=VT_BSTR)
 729                 return E_INVALIDARG;
 730
 731             ind = 3;
 732             hres = SafeArrayGetElement(sa, &ind, &htmlwindow);
 733             if(FAILED(hres) || V_VT(&htmlwindow)!=VT_UNKNOWN || !V_UNKNOWN(&htmlwindow))
 734                 return E_INVALIDARG;
 735
 736             hres = IUnknown_QueryInterface(V_UNKNOWN(&htmlwindow), &IID_IHTMLWindow2, (void**)&win2);
 737             if(FAILED(hres))
 738                 return E_INVALIDARG;
 739
 740             handle_navigation_error(This, V_I4(&status_code), V_BSTR(&url), win2);
 741             IHTMLWindow2_Release(win2);
 742             return S_OK;
 743         }
 744
 745         default:
 746             TRACE("unsupported command %d of CGID_DocHostCmdPriv\n", nCmdID);
 747             return E_NOTIMPL;
 748         }
 749     }
 750
 751     if(IsEqualGUID(pguidCmdGroup, &CGID_Explorer)) {
 752         switch(nCmdID) {
 753         case CMDID_EXPLORER_UPDATEHISTORY:
 754             update_travellog(This);
 755             update_navigation_commands(This);
 756             return S_OK;
 757
 758         default:
 759             TRACE("Unimplemented cmdid %d of CGID_Explorer\n", nCmdID);
 760             return E_NOTIMPL;
 761         }
 762     }
 763
 764     if(IsEqualGUID(pguidCmdGroup, &CGID_ShellDocView)) {
 765         switch(nCmdID) {
 766         default:
 767             TRACE("Unimplemented cmdid %d of CGID_ShellDocView\n", nCmdID);
 768             return E_NOTIMPL;
 769         }
 770     }
 771
 772     if(IsEqualGUID(&CGID_DocHostCommandHandler, pguidCmdGroup)) {
 773         if(!This->olecmd)
 774             return E_NOTIMPL;
 775         return IOleCommandTarget_Exec(This->olecmd, pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
 776     }
 777
 778     TRACE("Unimplemented cmdid %d of group %s\n", nCmdID, debugstr_guid(pguidCmdGroup));
 779     return E_NOTIMPL;
 780 }
 781
 782 static const IOleCommandTargetVtbl OleCommandTargetVtbl = {
 783     ClOleCommandTarget_QueryInterface,
 784     ClOleCommandTarget_AddRef,
 785     ClOleCommandTarget_Release,
 786     ClOleCommandTarget_QueryStatus,
 787     ClOleCommandTarget_Exec
 788 };
 789
 790 static inline DocHost *impl_from_IDocHostUIHandler2(IDocHostUIHandler2 *iface)
 791 {
 792     return CONTAINING_RECORD(iface, DocHost, IDocHostUIHandler2_iface);
 793 }
 794
 795 static HRESULT WINAPI DocHostUIHandler_QueryInterface(IDocHostUIHandler2 *iface,
 796                                                       REFIID riid, void **ppv)
 797 {
 798     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 799     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
 800 }
 801
 802 static ULONG WINAPI DocHostUIHandler_AddRef(IDocHostUIHandler2 *iface)
 803 {
 804     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 805     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
 806 }
 807
 808 static ULONG WINAPI DocHostUIHandler_Release(IDocHostUIHandler2 *iface)
 809 {
 810     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 811     return IOleClientSite_Release(&This->IOleClientSite_iface);
 812 }
 813
 814 static HRESULT WINAPI DocHostUIHandler_ShowContextMenu(IDocHostUIHandler2 *iface,
 815          DWORD dwID, POINT *ppt, IUnknown *pcmdtReserved, IDispatch *pdispReserved)
 816 {
 817     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 818     HRESULT hres;
 819
 820     TRACE("(%p)->(%d %p %p %p)\n", This, dwID, ppt, pcmdtReserved, pdispReserved);
 821
 822     if(This->hostui) {
 823         hres = IDocHostUIHandler_ShowContextMenu(This->hostui, dwID, ppt, pcmdtReserved,
 824                                                  pdispReserved);
 825         if(hres == S_OK)
 826             return S_OK;
 827     }
 828
 829     FIXME("default action not implemented\n");
 830     return E_NOTIMPL;
 831 }
 832
 833 static HRESULT WINAPI DocHostUIHandler_GetHostInfo(IDocHostUIHandler2 *iface,
 834         DOCHOSTUIINFO *pInfo)
 835 {
 836     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 837     HRESULT hres;
 838
 839     TRACE("(%p)->(%p)\n", This, pInfo);
 840
 841     if(This->hostui) {
 842         hres = IDocHostUIHandler_GetHostInfo(This->hostui, pInfo);
 843         if(SUCCEEDED(hres))
 844             return hres;
 845     }
 846
 847     pInfo->dwFlags = DOCHOSTUIFLAG_DISABLE_HELP_MENU | DOCHOSTUIFLAG_OPENNEWWIN
 848         | DOCHOSTUIFLAG_URL_ENCODING_ENABLE_UTF8 | DOCHOSTUIFLAG_ENABLE_INPLACE_NAVIGATION
 849         | DOCHOSTUIFLAG_IME_ENABLE_RECONVERSION;
 850     return S_OK;
 851 }
 852
 853 static HRESULT WINAPI DocHostUIHandler_ShowUI(IDocHostUIHandler2 *iface, DWORD dwID,
 854         IOleInPlaceActiveObject *pActiveObject, IOleCommandTarget *pCommandTarget,
 855         IOleInPlaceFrame *pFrame, IOleInPlaceUIWindow *pDoc)
 856 {
 857     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 858     FIXME("(%p)->(%d %p %p %p %p)\n", This, dwID, pActiveObject, pCommandTarget,
 859           pFrame, pDoc);
 860     return E_NOTIMPL;
 861 }
 862
 863 static HRESULT WINAPI DocHostUIHandler_HideUI(IDocHostUIHandler2 *iface)
 864 {
 865     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 866     FIXME("(%p)\n", This);
 867     return E_NOTIMPL;
 868 }
 869
 870 static HRESULT WINAPI DocHostUIHandler_UpdateUI(IDocHostUIHandler2 *iface)
 871 {
 872     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 873
 874     TRACE("(%p)\n", This);
 875
 876     if(!This->hostui)
 877         return S_FALSE;
 878
 879     return IDocHostUIHandler_UpdateUI(This->hostui);
 880 }
 881
 882 static HRESULT WINAPI DocHostUIHandler_EnableModeless(IDocHostUIHandler2 *iface,
 883                                                       BOOL fEnable)
 884 {
 885     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 886     FIXME("(%p)->(%x)\n", This, fEnable);
 887     return E_NOTIMPL;
 888 }
 889
 890 static HRESULT WINAPI DocHostUIHandler_OnDocWindowActivate(IDocHostUIHandler2 *iface,
 891                                                            BOOL fActivate)
 892 {
 893     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 894     FIXME("(%p)->(%x)\n", This, fActivate);
 895     return E_NOTIMPL;
 896 }
 897
 898 static HRESULT WINAPI DocHostUIHandler_OnFrameWindowActivate(IDocHostUIHandler2 *iface,
 899                                                              BOOL fActivate)
 900 {
 901     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 902     FIXME("(%p)->(%x)\n", This, fActivate);
 903     return E_NOTIMPL;
 904 }
 905
 906 static HRESULT WINAPI DocHostUIHandler_ResizeBorder(IDocHostUIHandler2 *iface,
 907         LPCRECT prcBorder, IOleInPlaceUIWindow *pUIWindow, BOOL fRameWindow)
 908 {
 909     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 910     FIXME("(%p)->(%p %p %X)\n", This, prcBorder, pUIWindow, fRameWindow);
 911     return E_NOTIMPL;
 912 }
 913
 914 static HRESULT WINAPI DocHostUIHandler_TranslateAccelerator(IDocHostUIHandler2 *iface,
 915         LPMSG lpMsg, const GUID *pguidCmdGroup, DWORD nCmdID)
 916 {
 917     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 918     HRESULT hr = S_FALSE;
 919     TRACE("(%p)->(%p %p %d)\n", This, lpMsg, pguidCmdGroup, nCmdID);
 920
 921     if(This->hostui)
 922         hr = IDocHostUIHandler_TranslateAccelerator(This->hostui, lpMsg, pguidCmdGroup, nCmdID);
 923
 924     return hr;
 925 }
 926
 927 static HRESULT WINAPI DocHostUIHandler_GetOptionKeyPath(IDocHostUIHandler2 *iface,
 928         LPOLESTR *pchKey, DWORD dw)
 929 {
 930     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 931
 932     TRACE("(%p)->(%p %d)\n", This, pchKey, dw);
 933
 934     if(This->hostui)
 935         return IDocHostUIHandler_GetOptionKeyPath(This->hostui, pchKey, dw);
 936
 937     return S_OK;
 938 }
 939
 940 static HRESULT WINAPI DocHostUIHandler_GetDropTarget(IDocHostUIHandler2 *iface,
 941         IDropTarget *pDropTarget, IDropTarget **ppDropTarget)
 942 {
 943     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 944     FIXME("(%p)\n", This);
 945     return E_NOTIMPL;
 946 }
 947
 948 static HRESULT WINAPI DocHostUIHandler_GetExternal(IDocHostUIHandler2 *iface,
 949         IDispatch **ppDispatch)
 950 {
 951     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 952
 953     TRACE("(%p)->(%p)\n", This, ppDispatch);
 954
 955     if(This->hostui)
 956         return IDocHostUIHandler_GetExternal(This->hostui, ppDispatch);
 957
 958     if(!This->shell_ui_helper) {
 959         HRESULT hres;
 960
 961         hres = create_shell_ui_helper(&This->shell_ui_helper);
 962         if(FAILED(hres))
 963             return hres;
 964     }
 965
 966     *ppDispatch = (IDispatch*)This->shell_ui_helper;
 967     IDispatch_AddRef(*ppDispatch);
 968     return S_OK;
 969 }
 970
 971 static HRESULT WINAPI DocHostUIHandler_TranslateUrl(IDocHostUIHandler2 *iface,
 972         DWORD dwTranslate, OLECHAR *pchURLIn, OLECHAR **ppchURLOut)
 973 {
 974     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 975
 976     TRACE("(%p)->(%d %s %p)\n", This, dwTranslate, debugstr_w(pchURLIn), ppchURLOut);
 977
 978     if(This->hostui)
 979         return IDocHostUIHandler_TranslateUrl(This->hostui, dwTranslate,
 980                                               pchURLIn, ppchURLOut);
 981
 982     return S_FALSE;
 983 }
 984
 985 static HRESULT WINAPI DocHostUIHandler_FilterDataObject(IDocHostUIHandler2 *iface,
 986         IDataObject *pDO, IDataObject **ppDORet)
 987 {
 988     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 989     FIXME("(%p)->(%p %p)\n", This, pDO, ppDORet);
 990     return E_NOTIMPL;
 991 }
 992
 993 static HRESULT WINAPI DocHostUIHandler_GetOverrideKeyPath(IDocHostUIHandler2 *iface,
 994         LPOLESTR *pchKey, DWORD dw)
 995 {
 996     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 997     IDocHostUIHandler2 *handler;
 998     HRESULT hres;
 999
1000     TRACE("(%p)->(%p %d)\n", This, pchKey, dw);
1001
1002     if(!This->hostui)
1003         return S_OK;
1004
1005     hres = IDocHostUIHandler_QueryInterface(This->hostui, &IID_IDocHostUIHandler2,
1006                                             (void**)&handler);
1007     if(SUCCEEDED(hres)) {
1008         hres = IDocHostUIHandler2_GetOverrideKeyPath(handler, pchKey, dw);
1009         IDocHostUIHandler2_Release(handler);
1010         return hres;
1011     }
1012
1013     return S_OK;
1014 }
1015
1016 static const IDocHostUIHandler2Vtbl DocHostUIHandler2Vtbl = {
1017     DocHostUIHandler_QueryInterface,
1018     DocHostUIHandler_AddRef,
1019     DocHostUIHandler_Release,
1020     DocHostUIHandler_ShowContextMenu,
1021     DocHostUIHandler_GetHostInfo,
1022     DocHostUIHandler_ShowUI,
1023     DocHostUIHandler_HideUI,
1024     DocHostUIHandler_UpdateUI,
1025     DocHostUIHandler_EnableModeless,
1026     DocHostUIHandler_OnDocWindowActivate,
1027     DocHostUIHandler_OnFrameWindowActivate,
1028     DocHostUIHandler_ResizeBorder,
1029     DocHostUIHandler_TranslateAccelerator,
1030     DocHostUIHandler_GetOptionKeyPath,
1031     DocHostUIHandler_GetDropTarget,
1032     DocHostUIHandler_GetExternal,
1033     DocHostUIHandler_TranslateUrl,
1034     DocHostUIHandler_FilterDataObject,
1035     DocHostUIHandler_GetOverrideKeyPath
1036 };
1037
1038 static inline DocHost *impl_from_IPropertyNotifySink(IPropertyNotifySink *iface)
1039 {
1040     return CONTAINING_RECORD(iface, DocHost, IPropertyNotifySink_iface);
1041 }
1042
1043 static HRESULT WINAPI PropertyNotifySink_QueryInterface(IPropertyNotifySink *iface,
1044         REFIID riid, void **ppv)
1045 {
1046     DocHost *This = impl_from_IPropertyNotifySink(iface);
1047     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1048 }
1049
1050 static ULONG WINAPI PropertyNotifySink_AddRef(IPropertyNotifySink *iface)
1051 {
1052     DocHost *This = impl_from_IPropertyNotifySink(iface);
1053     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1054 }
1055
1056 static ULONG WINAPI PropertyNotifySink_Release(IPropertyNotifySink *iface)
1057 {
1058     DocHost *This = impl_from_IPropertyNotifySink(iface);
1059     return IOleClientSite_Release(&This->IOleClientSite_iface);
1060 }
1061
1062 static HRESULT WINAPI PropertyNotifySink_OnChanged(IPropertyNotifySink *iface, DISPID dispID)
1063 {
1064     DocHost *This = impl_from_IPropertyNotifySink(iface);
1065
1066     TRACE("(%p)->(%d)\n", This, dispID);
1067
1068     switch(dispID) {
1069     case DISPID_READYSTATE: {
1070         READYSTATE ready_state;
1071         HRESULT hres;
1072
1073         hres = get_doc_ready_state(This, &ready_state);
1074         if(FAILED(hres))
1075             return hres;
1076
1077         if(ready_state == READYSTATE_COMPLETE && !This->doc_navigate)
1078             advise_prop_notif(This, FALSE);
1079
1080         update_ready_state(This, ready_state);
1081         break;
1082     }
1083     default:
1084         FIXME("unimplemented dispid %d\n", dispID);
1085         return E_NOTIMPL;
1086     }
1087
1088     return S_OK;
1089 }
1090
1091 static HRESULT WINAPI PropertyNotifySink_OnRequestEdit(IPropertyNotifySink *iface, DISPID dispID)
1092 {
1093     DocHost *This = impl_from_IPropertyNotifySink(iface);
1094     FIXME("(%p)->(%d)\n", This, dispID);
1095     return E_NOTIMPL;
1096 }
1097
1098 static const IPropertyNotifySinkVtbl PropertyNotifySinkVtbl = {
1099     PropertyNotifySink_QueryInterface,
1100     PropertyNotifySink_AddRef,
1101     PropertyNotifySink_Release,
1102     PropertyNotifySink_OnChanged,
1103     PropertyNotifySink_OnRequestEdit
1104 };
1105
1106 void DocHost_Init(DocHost *This, IWebBrowser2 *wb, const IDocHostContainerVtbl* container)
1107 {
1108     This->IDocHostUIHandler2_iface.lpVtbl  = &DocHostUIHandler2Vtbl;
1109     This->IOleCommandTarget_iface.lpVtbl   = &OleCommandTargetVtbl;
1110     This->IPropertyNotifySink_iface.lpVtbl = &PropertyNotifySinkVtbl;
1111
1112     This->wb = wb;
1113     This->container_vtbl = container;
1114
1115     This->ready_state = READYSTATE_UNINITIALIZED;
1116     list_init(&This->task_queue);
1117
1118     This->travellog.loading_pos = -1;
1119
1120     DocHost_ClientSite_Init(This);
1121     DocHost_Frame_Init(This);
1122
1123     ConnectionPointContainer_Init(&This->cps, (IUnknown*)wb);
1124     IEHTMLWindow_Init(This);
1125     NewWindowManager_Init(This);
1126 }
1127
1128 void DocHost_Release(DocHost *This)
1129 {
1130     if(This->shell_ui_helper)
1131         IShellUIHelper2_Release(This->shell_ui_helper);
1132
1133     abort_dochost_tasks(This, NULL);
1134     release_dochost_client(This);
1135     DocHost_ClientSite_Release(This);
1136
1137     ConnectionPointContainer_Destroy(&This->cps);
1138
1139     while(This->travellog.length)
1140         free_travellog_entry(This->travellog.log + --This->travellog.length);
1141     heap_free(This->travellog.log);
1142
1143     heap_free(This->url);
1144 }