dlls/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 activate_document(DocHost *This)
 602 {
 603     IOleObject *oleobj;
 604     IHlinkTarget *hlink;
 605     HRESULT hres;
 606
 607     if(!This->document) return;
 608
 609     hres = IUnknown_QueryInterface(This->document, &IID_IHlinkTarget, (void**)&hlink);
 610     if(SUCCEEDED(hres)) {
 611         IHlinkTarget_Navigate(hlink, 0, NULL);
 612         IHlinkTarget_Release(hlink);
 613     }
 614
 615     hres = IUnknown_QueryInterface(This->document, &IID_IOleObject, (void**)&oleobj);
 616     if(SUCCEEDED(hres)) {
 617         IOleObject_DoVerb(oleobj, OLEIVERB_SHOW, NULL, NULL, -1, 0, NULL);
 618         IOleObject_Release(oleobj);
 619     }
 620
 621     refresh_document(This, NULL);
 622
 623     if(This->view)
 624         IOleDocumentView_UIActivate(This->view, TRUE);
 625 }
 626
 627 void release_dochost_client(DocHost *This)
 628 {
 629     if(This->hwnd) {
 630         DestroyWindow(This->hwnd);
 631         This->hwnd = NULL;
 632     }
 633
 634     if(This->hostui) {
 635         IDocHostUIHandler_Release(This->hostui);
 636         This->hostui = NULL;
 637     }
 638
 639     if(This->client_disp) {
 640         IDispatch_Release(This->client_disp);
 641         This->client_disp = NULL;
 642     }
 643
 644     if(This->frame) {
 645         IOleInPlaceFrame_Release(This->frame);
 646         This->frame = NULL;
 647     }
 648
 649     if(This->olecmd) {
 650         IOleCommandTarget_Release(This->olecmd);
 651         This->olecmd = NULL;
 652     }
 653 }
 654
 655 static inline DocHost *impl_from_IOleCommandTarget(IOleCommandTarget *iface)
 656 {
 657     return CONTAINING_RECORD(iface, DocHost, IOleCommandTarget_iface);
 658 }
 659
 660 static HRESULT WINAPI ClOleCommandTarget_QueryInterface(IOleCommandTarget *iface,
 661         REFIID riid, void **ppv)
 662 {
 663     DocHost *This = impl_from_IOleCommandTarget(iface);
 664     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
 665 }
 666
 667 static ULONG WINAPI ClOleCommandTarget_AddRef(IOleCommandTarget *iface)
 668 {
 669     DocHost *This = impl_from_IOleCommandTarget(iface);
 670     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
 671 }
 672
 673 static ULONG WINAPI ClOleCommandTarget_Release(IOleCommandTarget *iface)
 674 {
 675     DocHost *This = impl_from_IOleCommandTarget(iface);
 676     return IOleClientSite_Release(&This->IOleClientSite_iface);
 677 }
 678
 679 static HRESULT WINAPI ClOleCommandTarget_QueryStatus(IOleCommandTarget *iface,
 680         const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT *pCmdText)
 681 {
 682     DocHost *This = impl_from_IOleCommandTarget(iface);
 683     ULONG i;
 684
 685     TRACE("(%p)->(%s %u %p %p)\n", This, debugstr_guid(pguidCmdGroup), cCmds, prgCmds,
 686           pCmdText);
 687     for(i=0; prgCmds && i < cCmds; i++)
 688         TRACE("unsupported command %u (%x)\n", prgCmds[i].cmdID, prgCmds[i].cmdf);
 689
 690     return E_NOTIMPL;
 691 }
 692
 693 static HRESULT WINAPI ClOleCommandTarget_Exec(IOleCommandTarget *iface,
 694         const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn,
 695         VARIANT *pvaOut)
 696 {
 697     DocHost *This = impl_from_IOleCommandTarget(iface);
 698
 699     TRACE("(%p)->(%s %d %d %s %s)\n", This, debugstr_guid(pguidCmdGroup), nCmdID, nCmdexecopt,
 700             debugstr_variant(pvaIn), debugstr_variant(pvaOut));
 701
 702     if(!pguidCmdGroup) {
 703         switch(nCmdID) {
 704         case OLECMDID_UPDATECOMMANDS:
 705             if(!This->olecmd)
 706                 return E_NOTIMPL;
 707             return IOleCommandTarget_Exec(This->olecmd, pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
 708         case OLECMDID_SETDOWNLOADSTATE:
 709             if(pvaIn && V_VT(pvaIn) == VT_I4)
 710                 This->busy = V_I4(pvaIn) ? VARIANT_TRUE : VARIANT_FALSE;
 711             if(This->olecmd)
 712                 return IOleCommandTarget_Exec(This->olecmd, pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
 713
 714             if(!pvaIn || V_VT(pvaIn) != VT_I4)
 715                 return E_INVALIDARG;
 716
 717             notify_download_state(This, V_I4(pvaIn));
 718             return S_OK;
 719         default:
 720             TRACE("Unimplemented cmdid %d\n", nCmdID);
 721             return E_NOTIMPL;
 722         }
 723     }
 724
 725     if(IsEqualGUID(pguidCmdGroup, &CGID_DocHostCmdPriv)) {
 726         switch(nCmdID) {
 727         case DOCHOST_DOCCANNAVIGATE:
 728             if(!pvaIn || V_VT(pvaIn) != VT_UNKNOWN)
 729                 return E_INVALIDARG;
 730
 731             if(This->doc_navigate)
 732                 IUnknown_Release(This->doc_navigate);
 733             IUnknown_AddRef(V_UNKNOWN(pvaIn));
 734             This->doc_navigate = V_UNKNOWN(pvaIn);
 735             return S_OK;
 736
 737         case 1: {
 738             IHTMLWindow2 *win2;
 739             SAFEARRAY *sa = V_ARRAY(pvaIn);
 740             VARIANT status_code, url, htmlwindow;
 741             LONG ind;
 742             HRESULT hres;
 743
 744             if(V_VT(pvaIn) != VT_ARRAY || !sa || (SafeArrayGetDim(sa) != 1))
 745                 return E_INVALIDARG;
 746
 747             ind = 0;
 748             hres = SafeArrayGetElement(sa, &ind, &status_code);
 749             if(FAILED(hres) || V_VT(&status_code)!=VT_I4)
 750                 return E_INVALIDARG;
 751
 752             ind = 1;
 753             hres = SafeArrayGetElement(sa, &ind, &url);
 754             if(FAILED(hres) || V_VT(&url)!=VT_BSTR)
 755                 return E_INVALIDARG;
 756
 757             ind = 3;
 758             hres = SafeArrayGetElement(sa, &ind, &htmlwindow);
 759             if(FAILED(hres) || V_VT(&htmlwindow)!=VT_UNKNOWN || !V_UNKNOWN(&htmlwindow))
 760                 return E_INVALIDARG;
 761
 762             hres = IUnknown_QueryInterface(V_UNKNOWN(&htmlwindow), &IID_IHTMLWindow2, (void**)&win2);
 763             if(FAILED(hres))
 764                 return E_INVALIDARG;
 765
 766             handle_navigation_error(This, V_I4(&status_code), V_BSTR(&url), win2);
 767             IHTMLWindow2_Release(win2);
 768             return S_OK;
 769         }
 770
 771         default:
 772             TRACE("unsupported command %d of CGID_DocHostCmdPriv\n", nCmdID);
 773             return E_NOTIMPL;
 774         }
 775     }
 776
 777     if(IsEqualGUID(pguidCmdGroup, &CGID_Explorer)) {
 778         switch(nCmdID) {
 779         case CMDID_EXPLORER_UPDATEHISTORY:
 780             update_travellog(This);
 781             update_navigation_commands(This);
 782             return S_OK;
 783
 784         default:
 785             TRACE("Unimplemented cmdid %d of CGID_Explorer\n", nCmdID);
 786             return E_NOTIMPL;
 787         }
 788     }
 789
 790     if(IsEqualGUID(pguidCmdGroup, &CGID_ShellDocView)) {
 791         switch(nCmdID) {
 792         default:
 793             TRACE("Unimplemented cmdid %d of CGID_ShellDocView\n", nCmdID);
 794             return E_NOTIMPL;
 795         }
 796     }
 797
 798     if(IsEqualGUID(&CGID_DocHostCommandHandler, pguidCmdGroup)) {
 799         if(!This->olecmd)
 800             return E_NOTIMPL;
 801         return IOleCommandTarget_Exec(This->olecmd, pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
 802     }
 803
 804     TRACE("Unimplemented cmdid %d of group %s\n", nCmdID, debugstr_guid(pguidCmdGroup));
 805     return E_NOTIMPL;
 806 }
 807
 808 static const IOleCommandTargetVtbl OleCommandTargetVtbl = {
 809     ClOleCommandTarget_QueryInterface,
 810     ClOleCommandTarget_AddRef,
 811     ClOleCommandTarget_Release,
 812     ClOleCommandTarget_QueryStatus,
 813     ClOleCommandTarget_Exec
 814 };
 815
 816 static inline DocHost *impl_from_IDocHostUIHandler2(IDocHostUIHandler2 *iface)
 817 {
 818     return CONTAINING_RECORD(iface, DocHost, IDocHostUIHandler2_iface);
 819 }
 820
 821 static HRESULT WINAPI DocHostUIHandler_QueryInterface(IDocHostUIHandler2 *iface,
 822                                                       REFIID riid, void **ppv)
 823 {
 824     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 825     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
 826 }
 827
 828 static ULONG WINAPI DocHostUIHandler_AddRef(IDocHostUIHandler2 *iface)
 829 {
 830     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 831     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
 832 }
 833
 834 static ULONG WINAPI DocHostUIHandler_Release(IDocHostUIHandler2 *iface)
 835 {
 836     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 837     return IOleClientSite_Release(&This->IOleClientSite_iface);
 838 }
 839
 840 static HRESULT WINAPI DocHostUIHandler_ShowContextMenu(IDocHostUIHandler2 *iface,
 841          DWORD dwID, POINT *ppt, IUnknown *pcmdtReserved, IDispatch *pdispReserved)
 842 {
 843     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 844     HRESULT hres;
 845
 846     TRACE("(%p)->(%d %p %p %p)\n", This, dwID, ppt, pcmdtReserved, pdispReserved);
 847
 848     if(This->hostui) {
 849         hres = IDocHostUIHandler_ShowContextMenu(This->hostui, dwID, ppt, pcmdtReserved,
 850                                                  pdispReserved);
 851         if(hres == S_OK)
 852             return S_OK;
 853     }
 854
 855     FIXME("default action not implemented\n");
 856     return E_NOTIMPL;
 857 }
 858
 859 static HRESULT WINAPI DocHostUIHandler_GetHostInfo(IDocHostUIHandler2 *iface,
 860         DOCHOSTUIINFO *pInfo)
 861 {
 862     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 863     HRESULT hres;
 864
 865     TRACE("(%p)->(%p)\n", This, pInfo);
 866
 867     if(This->hostui) {
 868         hres = IDocHostUIHandler_GetHostInfo(This->hostui, pInfo);
 869         if(SUCCEEDED(hres))
 870             return hres;
 871     }
 872
 873     pInfo->dwFlags = DOCHOSTUIFLAG_DISABLE_HELP_MENU | DOCHOSTUIFLAG_OPENNEWWIN
 874         | DOCHOSTUIFLAG_URL_ENCODING_ENABLE_UTF8 | DOCHOSTUIFLAG_ENABLE_INPLACE_NAVIGATION
 875         | DOCHOSTUIFLAG_IME_ENABLE_RECONVERSION;
 876     return S_OK;
 877 }
 878
 879 static HRESULT WINAPI DocHostUIHandler_ShowUI(IDocHostUIHandler2 *iface, DWORD dwID,
 880         IOleInPlaceActiveObject *pActiveObject, IOleCommandTarget *pCommandTarget,
 881         IOleInPlaceFrame *pFrame, IOleInPlaceUIWindow *pDoc)
 882 {
 883     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 884     FIXME("(%p)->(%d %p %p %p %p)\n", This, dwID, pActiveObject, pCommandTarget,
 885           pFrame, pDoc);
 886     return E_NOTIMPL;
 887 }
 888
 889 static HRESULT WINAPI DocHostUIHandler_HideUI(IDocHostUIHandler2 *iface)
 890 {
 891     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 892     FIXME("(%p)\n", This);
 893     return E_NOTIMPL;
 894 }
 895
 896 static HRESULT WINAPI DocHostUIHandler_UpdateUI(IDocHostUIHandler2 *iface)
 897 {
 898     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 899
 900     TRACE("(%p)\n", This);
 901
 902     if(!This->hostui)
 903         return S_FALSE;
 904
 905     return IDocHostUIHandler_UpdateUI(This->hostui);
 906 }
 907
 908 static HRESULT WINAPI DocHostUIHandler_EnableModeless(IDocHostUIHandler2 *iface,
 909                                                       BOOL fEnable)
 910 {
 911     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 912     FIXME("(%p)->(%x)\n", This, fEnable);
 913     return E_NOTIMPL;
 914 }
 915
 916 static HRESULT WINAPI DocHostUIHandler_OnDocWindowActivate(IDocHostUIHandler2 *iface,
 917                                                            BOOL fActivate)
 918 {
 919     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 920     FIXME("(%p)->(%x)\n", This, fActivate);
 921     return E_NOTIMPL;
 922 }
 923
 924 static HRESULT WINAPI DocHostUIHandler_OnFrameWindowActivate(IDocHostUIHandler2 *iface,
 925                                                              BOOL fActivate)
 926 {
 927     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 928     FIXME("(%p)->(%x)\n", This, fActivate);
 929     return E_NOTIMPL;
 930 }
 931
 932 static HRESULT WINAPI DocHostUIHandler_ResizeBorder(IDocHostUIHandler2 *iface,
 933         LPCRECT prcBorder, IOleInPlaceUIWindow *pUIWindow, BOOL fRameWindow)
 934 {
 935     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 936     FIXME("(%p)->(%p %p %X)\n", This, prcBorder, pUIWindow, fRameWindow);
 937     return E_NOTIMPL;
 938 }
 939
 940 static HRESULT WINAPI DocHostUIHandler_TranslateAccelerator(IDocHostUIHandler2 *iface,
 941         LPMSG lpMsg, const GUID *pguidCmdGroup, DWORD nCmdID)
 942 {
 943     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 944     HRESULT hr = S_FALSE;
 945     TRACE("(%p)->(%p %p %d)\n", This, lpMsg, pguidCmdGroup, nCmdID);
 946
 947     if(This->hostui)
 948         hr = IDocHostUIHandler_TranslateAccelerator(This->hostui, lpMsg, pguidCmdGroup, nCmdID);
 949
 950     return hr;
 951 }
 952
 953 static HRESULT WINAPI DocHostUIHandler_GetOptionKeyPath(IDocHostUIHandler2 *iface,
 954         LPOLESTR *pchKey, DWORD dw)
 955 {
 956     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 957
 958     TRACE("(%p)->(%p %d)\n", This, pchKey, dw);
 959
 960     if(This->hostui)
 961         return IDocHostUIHandler_GetOptionKeyPath(This->hostui, pchKey, dw);
 962
 963     return S_OK;
 964 }
 965
 966 static HRESULT WINAPI DocHostUIHandler_GetDropTarget(IDocHostUIHandler2 *iface,
 967         IDropTarget *pDropTarget, IDropTarget **ppDropTarget)
 968 {
 969     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 970     FIXME("(%p)\n", This);
 971     return E_NOTIMPL;
 972 }
 973
 974 static HRESULT WINAPI DocHostUIHandler_GetExternal(IDocHostUIHandler2 *iface,
 975         IDispatch **ppDispatch)
 976 {
 977     DocHost *This = impl_from_IDocHostUIHandler2(iface);
 978
 979     TRACE("(%p)->(%p)\n", This, ppDispatch);
 980
 981     if(This->hostui)
 982         return IDocHostUIHandler_GetExternal(This->hostui, ppDispatch);
 983
 984     if(!This->shell_ui_helper) {
 985         HRESULT hres;
 986
 987         hres = create_shell_ui_helper(&This->shell_ui_helper);
 988         if(FAILED(hres))
 989             return hres;
 990     }
 991
 992     *ppDispatch = (IDispatch*)This->shell_ui_helper;
 993     IDispatch_AddRef(*ppDispatch);
 994     return S_OK;
 995 }
 996
 997 static HRESULT WINAPI DocHostUIHandler_TranslateUrl(IDocHostUIHandler2 *iface,
 998         DWORD dwTranslate, OLECHAR *pchURLIn, OLECHAR **ppchURLOut)
 999 {
1000     DocHost *This = impl_from_IDocHostUIHandler2(iface);
1001
1002     TRACE("(%p)->(%d %s %p)\n", This, dwTranslate, debugstr_w(pchURLIn), ppchURLOut);
1003
1004     if(This->hostui)
1005         return IDocHostUIHandler_TranslateUrl(This->hostui, dwTranslate,
1006                                               pchURLIn, ppchURLOut);
1007
1008     return S_FALSE;
1009 }
1010
1011 static HRESULT WINAPI DocHostUIHandler_FilterDataObject(IDocHostUIHandler2 *iface,
1012         IDataObject *pDO, IDataObject **ppDORet)
1013 {
1014     DocHost *This = impl_from_IDocHostUIHandler2(iface);
1015     FIXME("(%p)->(%p %p)\n", This, pDO, ppDORet);
1016     return E_NOTIMPL;
1017 }
1018
1019 static HRESULT WINAPI DocHostUIHandler_GetOverrideKeyPath(IDocHostUIHandler2 *iface,
1020         LPOLESTR *pchKey, DWORD dw)
1021 {
1022     DocHost *This = impl_from_IDocHostUIHandler2(iface);
1023     IDocHostUIHandler2 *handler;
1024     HRESULT hres;
1025
1026     TRACE("(%p)->(%p %d)\n", This, pchKey, dw);
1027
1028     if(!This->hostui)
1029         return S_OK;
1030
1031     hres = IDocHostUIHandler_QueryInterface(This->hostui, &IID_IDocHostUIHandler2,
1032                                             (void**)&handler);
1033     if(SUCCEEDED(hres)) {
1034         hres = IDocHostUIHandler2_GetOverrideKeyPath(handler, pchKey, dw);
1035         IDocHostUIHandler2_Release(handler);
1036         return hres;
1037     }
1038
1039     return S_OK;
1040 }
1041
1042 static const IDocHostUIHandler2Vtbl DocHostUIHandler2Vtbl = {
1043     DocHostUIHandler_QueryInterface,
1044     DocHostUIHandler_AddRef,
1045     DocHostUIHandler_Release,
1046     DocHostUIHandler_ShowContextMenu,
1047     DocHostUIHandler_GetHostInfo,
1048     DocHostUIHandler_ShowUI,
1049     DocHostUIHandler_HideUI,
1050     DocHostUIHandler_UpdateUI,
1051     DocHostUIHandler_EnableModeless,
1052     DocHostUIHandler_OnDocWindowActivate,
1053     DocHostUIHandler_OnFrameWindowActivate,
1054     DocHostUIHandler_ResizeBorder,
1055     DocHostUIHandler_TranslateAccelerator,
1056     DocHostUIHandler_GetOptionKeyPath,
1057     DocHostUIHandler_GetDropTarget,
1058     DocHostUIHandler_GetExternal,
1059     DocHostUIHandler_TranslateUrl,
1060     DocHostUIHandler_FilterDataObject,
1061     DocHostUIHandler_GetOverrideKeyPath
1062 };
1063
1064 static inline DocHost *impl_from_IPropertyNotifySink(IPropertyNotifySink *iface)
1065 {
1066     return CONTAINING_RECORD(iface, DocHost, IPropertyNotifySink_iface);
1067 }
1068
1069 static HRESULT WINAPI PropertyNotifySink_QueryInterface(IPropertyNotifySink *iface,
1070         REFIID riid, void **ppv)
1071 {
1072     DocHost *This = impl_from_IPropertyNotifySink(iface);
1073     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1074 }
1075
1076 static ULONG WINAPI PropertyNotifySink_AddRef(IPropertyNotifySink *iface)
1077 {
1078     DocHost *This = impl_from_IPropertyNotifySink(iface);
1079     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1080 }
1081
1082 static ULONG WINAPI PropertyNotifySink_Release(IPropertyNotifySink *iface)
1083 {
1084     DocHost *This = impl_from_IPropertyNotifySink(iface);
1085     return IOleClientSite_Release(&This->IOleClientSite_iface);
1086 }
1087
1088 static HRESULT WINAPI PropertyNotifySink_OnChanged(IPropertyNotifySink *iface, DISPID dispID)
1089 {
1090     DocHost *This = impl_from_IPropertyNotifySink(iface);
1091
1092     TRACE("(%p)->(%d)\n", This, dispID);
1093
1094     switch(dispID) {
1095     case DISPID_READYSTATE: {
1096         READYSTATE ready_state;
1097         HRESULT hres;
1098
1099         hres = get_doc_ready_state(This, &ready_state);
1100         if(FAILED(hres))
1101             return hres;
1102
1103         if(ready_state == READYSTATE_COMPLETE && !This->doc_navigate)
1104             advise_prop_notif(This, FALSE);
1105
1106         update_ready_state(This, ready_state);
1107         break;
1108     }
1109     default:
1110         FIXME("unimplemented dispid %d\n", dispID);
1111         return E_NOTIMPL;
1112     }
1113
1114     return S_OK;
1115 }
1116
1117 static HRESULT WINAPI PropertyNotifySink_OnRequestEdit(IPropertyNotifySink *iface, DISPID dispID)
1118 {
1119     DocHost *This = impl_from_IPropertyNotifySink(iface);
1120     FIXME("(%p)->(%d)\n", This, dispID);
1121     return E_NOTIMPL;
1122 }
1123
1124 static const IPropertyNotifySinkVtbl PropertyNotifySinkVtbl = {
1125     PropertyNotifySink_QueryInterface,
1126     PropertyNotifySink_AddRef,
1127     PropertyNotifySink_Release,
1128     PropertyNotifySink_OnChanged,
1129     PropertyNotifySink_OnRequestEdit
1130 };
1131
1132 void DocHost_Init(DocHost *This, IWebBrowser2 *wb, const IDocHostContainerVtbl* container)
1133 {
1134     This->IDocHostUIHandler2_iface.lpVtbl  = &DocHostUIHandler2Vtbl;
1135     This->IOleCommandTarget_iface.lpVtbl   = &OleCommandTargetVtbl;
1136     This->IPropertyNotifySink_iface.lpVtbl = &PropertyNotifySinkVtbl;
1137
1138     This->wb = wb;
1139     This->container_vtbl = container;
1140
1141     This->ready_state = READYSTATE_UNINITIALIZED;
1142     list_init(&This->task_queue);
1143
1144     This->travellog.loading_pos = -1;
1145
1146     DocHost_ClientSite_Init(This);
1147     DocHost_Frame_Init(This);
1148
1149     ConnectionPointContainer_Init(&This->cps, (IUnknown*)wb);
1150     IEHTMLWindow_Init(This);
1151     NewWindowManager_Init(This);
1152 }
1153
1154 void DocHost_Release(DocHost *This)
1155 {
1156     if(This->shell_ui_helper)
1157         IShellUIHelper2_Release(This->shell_ui_helper);
1158
1159     abort_dochost_tasks(This, NULL);
1160     release_dochost_client(This);
1161     DocHost_ClientSite_Release(This);
1162
1163     ConnectionPointContainer_Destroy(&This->cps);
1164
1165     while(This->travellog.length)
1166         free_travellog_entry(This->travellog.log + --This->travellog.length);
1167     heap_free(This->travellog.log);
1168
1169     heap_free(This->url);
1170 }