dlls/mshtml/pluginhost.c

   1 /*
   2  * Copyright 2010 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 "config.h"
  20
  21 #include <stdarg.h>
  22 #include <assert.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30 #include "shlobj.h"
  31 #include "mshtmdid.h"
  32
  33 #include "mshtml_private.h"
  34 #include "pluginhost.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  39
  40 const IID IID_HTMLPluginContainer =
  41     {0xbd7a6050,0xb373,0x4f6f,{0xa4,0x93,0xdd,0x40,0xc5,0x23,0xa8,0x6a}};
  42
  43 static BOOL check_load_safety(PluginHost *host)
  44 {
  45     DWORD policy_size, policy;
  46     struct CONFIRMSAFETY cs;
  47     BYTE *ppolicy;
  48     HRESULT hres;
  49
  50     cs.clsid = host->clsid;
  51     cs.pUnk = host->plugin_unk;
  52     cs.dwFlags = CONFIRMSAFETYACTION_LOADOBJECT;
  53
  54     hres = IInternetHostSecurityManager_QueryCustomPolicy(&host->doc->IInternetHostSecurityManager_iface,
  55             &GUID_CUSTOM_CONFIRMOBJECTSAFETY, &ppolicy, &policy_size, (BYTE*)&cs, sizeof(cs), 0);
  56     if(FAILED(hres))
  57         return FALSE;
  58
  59     policy = *(DWORD*)ppolicy;
  60     CoTaskMemFree(ppolicy);
  61     return policy == URLPOLICY_ALLOW;
  62 }
  63
  64 static BOOL check_script_safety(PluginHost *host)
  65 {
  66     DISPPARAMS params = {NULL,NULL,0,0};
  67     DWORD policy_size, policy;
  68     struct CONFIRMSAFETY cs;
  69     BYTE *ppolicy;
  70     ULONG err = 0;
  71     VARIANT v;
  72     HRESULT hres;
  73
  74     cs.clsid = host->clsid;
  75     cs.pUnk = host->plugin_unk;
  76     cs.dwFlags = 0;
  77
  78     hres = IInternetHostSecurityManager_QueryCustomPolicy(&host->doc->IInternetHostSecurityManager_iface,
  79             &GUID_CUSTOM_CONFIRMOBJECTSAFETY, &ppolicy, &policy_size, (BYTE*)&cs, sizeof(cs), 0);
  80     if(FAILED(hres))
  81         return FALSE;
  82
  83     policy = *(DWORD*)ppolicy;
  84     CoTaskMemFree(ppolicy);
  85
  86     if(policy != URLPOLICY_ALLOW)
  87         return FALSE;
  88
  89     V_VT(&v) = VT_EMPTY;
  90     hres = IDispatch_Invoke(host->disp, DISPID_SECURITYCTX, &IID_NULL, 0, DISPATCH_PROPERTYGET, &params, &v, NULL, &err);
  91     if(SUCCEEDED(hres)) {
  92         FIXME("Handle security ctx %s\n", debugstr_variant(&v));
  93         return FALSE;
  94     }
  95
  96     return TRUE;
  97 }
  98
  99 static void update_readystate(PluginHost *host)
 100 {
 101     DISPPARAMS params = {NULL,NULL,0,0};
 102     IDispatchEx *dispex;
 103     IDispatch *disp;
 104     ULONG err = 0;
 105     VARIANT v;
 106     HRESULT hres;
 107
 108     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatchEx, (void**)&dispex);
 109     if(SUCCEEDED(hres)) {
 110         FIXME("Use IDispatchEx\n");
 111         IDispatchEx_Release(dispex);
 112     }
 113
 114     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatch, (void**)&disp);
 115     if(FAILED(hres))
 116         return;
 117
 118     hres = IDispatch_Invoke(disp, DISPID_READYSTATE, &IID_NULL, 0, DISPATCH_PROPERTYGET, &params, &v, NULL, &err);
 119     IDispatch_Release(disp);
 120     if(SUCCEEDED(hres)) {
 121         /* FIXME: make plugin readystate affect document readystate */
 122         TRACE("readystate = %s\n", debugstr_variant(&v));
 123         VariantClear(&v);
 124     }
 125 }
 126
 127 /* FIXME: We shouldn't need this function and we should embed plugin directly in the main document */
 128 static void get_pos_rect(PluginHost *host, RECT *ret)
 129 {
 130     ret->top = 0;
 131     ret->left = 0;
 132     ret->bottom = host->rect.bottom - host->rect.top;
 133     ret->right = host->rect.right - host->rect.left;
 134 }
 135
 136 static void load_prop_bag(PluginHost *host, IPersistPropertyBag *persist_prop_bag)
 137 {
 138     IPropertyBag *prop_bag;
 139     HRESULT hres;
 140
 141     hres = create_param_prop_bag(host->element->element.nselem, &prop_bag);
 142     if(FAILED(hres))
 143         return;
 144
 145     if(prop_bag && !check_load_safety(host)) {
 146         IPropertyBag_Release(prop_bag);
 147         prop_bag = NULL;
 148     }
 149
 150     if(prop_bag) {
 151         hres = IPersistPropertyBag_Load(persist_prop_bag, prop_bag, NULL);
 152         IPropertyBag_Release(prop_bag);
 153         if(FAILED(hres))
 154             WARN("Load failed: %08x\n", hres);
 155     }else {
 156         hres = IPersistPropertyBag_InitNew(persist_prop_bag);
 157         if(FAILED(hres))
 158             WARN("InitNew failed: %08x\n", hres);
 159     }
 160 }
 161
 162 static void load_plugin(PluginHost *host)
 163 {
 164     IPersistPropertyBag2 *persist_prop_bag2;
 165     IPersistPropertyBag *persist_prop_bag;
 166     HRESULT hres;
 167
 168     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IPersistPropertyBag2, (void**)&persist_prop_bag2);
 169     if(SUCCEEDED(hres)) {
 170         FIXME("Use IPersistPropertyBag2 iface\n");
 171         IPersistPropertyBag2_Release(persist_prop_bag2);
 172         return;
 173     }
 174
 175     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IPersistPropertyBag, (void**)&persist_prop_bag);
 176     if(SUCCEEDED(hres)) {
 177         load_prop_bag(host, persist_prop_bag);
 178         IPersistPropertyBag_Release(persist_prop_bag);
 179         return;
 180     }
 181
 182     FIXME("No IPersistPropertyBag iface\n");
 183 }
 184
 185 static void activate_plugin(PluginHost *host)
 186 {
 187     IClientSecurity *client_security;
 188     IQuickActivate *quick_activate;
 189     IOleObject *ole_obj = NULL;
 190     IOleCommandTarget *cmdtrg;
 191     IViewObjectEx *view_obj;
 192     IDispatchEx *dispex;
 193     IDispatch *disp;
 194     RECT rect;
 195     HRESULT hres;
 196
 197     if(!host->plugin_unk)
 198         return;
 199
 200     /* Note native calls QI on plugin for an undocumented IID and CLSID_HTMLDocument */
 201
 202     /* FIXME: call FreezeEvents(TRUE) */
 203
 204     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IClientSecurity, (void**)&client_security);
 205     if(SUCCEEDED(hres)) {
 206         FIXME("Handle IClientSecurity\n");
 207         IClientSecurity_Release(client_security);
 208         return;
 209     }
 210
 211     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IQuickActivate, (void**)&quick_activate);
 212     if(SUCCEEDED(hres)) {
 213         QACONTAINER container = {sizeof(container)};
 214         QACONTROL control = {sizeof(control)};
 215
 216         TRACE("Using IQuickActivate\n");
 217
 218         container.pClientSite = &host->IOleClientSite_iface;
 219         container.dwAmbientFlags = QACONTAINER_SUPPORTSMNEMONICS|QACONTAINER_MESSAGEREFLECT|QACONTAINER_USERMODE;
 220         container.pAdviseSink = &host->IAdviseSinkEx_iface;
 221         container.pPropertyNotifySink = &host->IPropertyNotifySink_iface;
 222
 223         hres = IQuickActivate_QuickActivate(quick_activate, &container, &control);
 224         IQuickActivate_Release(quick_activate);
 225         if(FAILED(hres))
 226             FIXME("QuickActivate failed: %08x\n", hres);
 227     }else {
 228         DWORD status = 0;
 229
 230         hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleObject, (void**)&ole_obj);
 231         if(SUCCEEDED(hres)) {
 232             hres = IOleObject_GetMiscStatus(ole_obj, DVASPECT_CONTENT, &status);
 233             TRACE("GetMiscStatus returned %08x %x\n", hres, status);
 234
 235             hres = IOleObject_SetClientSite(ole_obj, &host->IOleClientSite_iface);
 236             IOleObject_Release(ole_obj);
 237             if(FAILED(hres)) {
 238                 FIXME("SetClientSite failed: %08x\n", hres);
 239                 return;
 240             }
 241         }else {
 242             TRACE("Plugin does not support IOleObject\n");
 243         }
 244     }
 245
 246     load_plugin(host);
 247
 248     if(ole_obj) {
 249         hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IViewObjectEx, (void**)&view_obj);
 250         if(SUCCEEDED(hres)) {
 251             DWORD view_status = 0;
 252
 253             hres = IViewObjectEx_SetAdvise(view_obj, DVASPECT_CONTENT, 0, (IAdviseSink*)&host->IAdviseSinkEx_iface);
 254             if(FAILED(hres))
 255                 WARN("SetAdvise failed: %08x\n", hres);
 256
 257             hres = IViewObjectEx_GetViewStatus(view_obj, &view_status);
 258             IViewObjectEx_Release(view_obj);
 259             TRACE("GetViewStatus returned %08x %x\n", hres, view_status);
 260         }
 261     }
 262
 263     update_readystate(host);
 264
 265     /* NOTE: Native QIs for IActiveScript, an undocumented IID, IOleControl and IRunnableObject */
 266
 267     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatchEx, (void**)&dispex);
 268     if(SUCCEEDED(hres)) {
 269         FIXME("Use IDispatchEx\n");
 270         host->disp = (IDispatch*)dispex;
 271     }else {
 272         hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatch, (void**)&disp);
 273         if(SUCCEEDED(hres))
 274             host->disp = disp;
 275         else
 276             TRACE("no IDispatch iface\n");
 277     }
 278
 279     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleCommandTarget, (void**)&cmdtrg);
 280     if(SUCCEEDED(hres)) {
 281         FIXME("Use IOleCommandTarget\n");
 282         IOleCommandTarget_Release(cmdtrg);
 283     }
 284
 285     hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleObject, (void**)&ole_obj);
 286     if(FAILED(hres)) {
 287         FIXME("Plugin does not support IOleObject\n");
 288         return;
 289     }
 290
 291     if(ole_obj) {
 292         get_pos_rect(host, &rect);
 293         hres = IOleObject_DoVerb(ole_obj, OLEIVERB_INPLACEACTIVATE, NULL, &host->IOleClientSite_iface, 0, host->hwnd, &rect);
 294         IOleObject_Release(ole_obj);
 295         if(FAILED(hres))
 296             WARN("DoVerb failed: %08x\n", hres);
 297     }
 298
 299     if(host->ip_object) {
 300         HWND hwnd;
 301
 302         hres = IOleInPlaceObject_GetWindow(host->ip_object, &hwnd);
 303         if(SUCCEEDED(hres))
 304             TRACE("hwnd %p\n", hwnd);
 305     }
 306 }
 307
 308 void update_plugin_window(PluginHost *host, HWND hwnd, const RECT *rect)
 309 {
 310     BOOL rect_changed = FALSE;
 311
 312     if(!hwnd || (host->hwnd && host->hwnd != hwnd)) {
 313         FIXME("unhandled hwnd\n");
 314         return;
 315     }
 316
 317     TRACE("%p %s\n", hwnd, wine_dbgstr_rect(rect));
 318
 319     if(memcmp(rect, &host->rect, sizeof(RECT))) {
 320         host->rect = *rect;
 321         rect_changed = TRUE;
 322     }
 323
 324     if(!host->hwnd) {
 325         host->hwnd = hwnd;
 326         activate_plugin(host);
 327     }
 328
 329     if(rect_changed && host->ip_object)
 330         IOleInPlaceObject_SetObjectRects(host->ip_object, &host->rect, &host->rect);
 331 }
 332
 333 static void notif_enabled(PluginHost *plugin_host)
 334 {
 335     DISPPARAMS args = {NULL, NULL, 0, 0};
 336     IDispatch *disp;
 337     ULONG err = 0;
 338     VARIANT res;
 339     HRESULT hres;
 340
 341     hres = IUnknown_QueryInterface(plugin_host->plugin_unk, &IID_IDispatch, (void**)&disp);
 342     if(FAILED(hres)) {
 343         FIXME("Could not get IDispatch iface: %08x\n", hres);
 344         return;
 345     }
 346
 347     V_VT(&res) = VT_EMPTY;
 348     hres = IDispatch_Invoke(disp, DISPID_ENABLED, &IID_NULL, 0/*FIXME*/, DISPATCH_PROPERTYGET, &args, &res, NULL, &err);
 349     IDispatch_Release(disp);
 350     if(SUCCEEDED(hres)) {
 351         FIXME("Got enabled %s\n", debugstr_variant(&res));
 352         VariantClear(&res);
 353     }
 354 }
 355
 356 void notif_container_change(HTMLPluginContainer *plugin_container, DISPID dispid)
 357 {
 358     IOleControl *ole_control;
 359     HRESULT hres;
 360
 361     if(!plugin_container->plugin_host || !plugin_container->plugin_host->plugin_unk)
 362         return;
 363
 364     notif_enabled(plugin_container->plugin_host);
 365
 366     hres = IUnknown_QueryInterface(plugin_container->plugin_host->plugin_unk, &IID_IOleControl, (void**)&ole_control);
 367     if(SUCCEEDED(hres)) {
 368         IOleControl_OnAmbientPropertyChange(ole_control, dispid);
 369         IOleControl_Release(ole_control);
 370     }
 371 }
 372
 373 HRESULT get_plugin_disp(HTMLPluginContainer *plugin_container, IDispatch **ret)
 374 {
 375     PluginHost *host;
 376
 377     host = plugin_container->plugin_host;
 378     if(!host) {
 379         ERR("No plugin host\n");
 380         return E_UNEXPECTED;
 381     }
 382
 383     if(!host->disp) {
 384         *ret = NULL;
 385         return S_OK;
 386     }
 387
 388     if(!check_script_safety(host)) {
 389         FIXME("Insecure object\n");
 390         return E_FAIL;
 391     }
 392
 393     IDispatch_AddRef(host->disp);
 394     *ret = host->disp;
 395     return S_OK;
 396 }
 397
 398 HRESULT get_plugin_dispid(HTMLPluginContainer *plugin_container, WCHAR *name, DISPID *ret)
 399 {
 400     IDispatch *disp;
 401     DISPID id;
 402     DWORD i;
 403     HRESULT hres;
 404
 405     if(!plugin_container->plugin_host) {
 406         WARN("no plugin host\n");
 407         return DISP_E_UNKNOWNNAME;
 408     }
 409
 410     disp = plugin_container->plugin_host->disp;
 411     if(!disp)
 412         return DISP_E_UNKNOWNNAME;
 413
 414     hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, &id);
 415     if(FAILED(hres)) {
 416         TRACE("no prop %s\n", debugstr_w(name));
 417         return DISP_E_UNKNOWNNAME;
 418     }
 419
 420     for(i=0; i < plugin_container->props_len; i++) {
 421         if(id == plugin_container->props[i]) {
 422             *ret = MSHTML_DISPID_CUSTOM_MIN+i;
 423             return S_OK;
 424         }
 425     }
 426
 427     if(!plugin_container->props) {
 428         plugin_container->props = heap_alloc(8*sizeof(DISPID));
 429         if(!plugin_container->props)
 430             return E_OUTOFMEMORY;
 431         plugin_container->props_size = 8;
 432     }else if(plugin_container->props_len == plugin_container->props_size) {
 433         DISPID *new_props;
 434
 435         new_props = heap_realloc(plugin_container->props, plugin_container->props_size*2*sizeof(DISPID));
 436         if(!new_props)
 437             return E_OUTOFMEMORY;
 438
 439         plugin_container->props = new_props;
 440         plugin_container->props_size *= 2;
 441     }
 442
 443     plugin_container->props[plugin_container->props_len] = id;
 444     *ret = MSHTML_DISPID_CUSTOM_MIN+plugin_container->props_len;
 445     plugin_container->props_len++;
 446     return S_OK;
 447 }
 448
 449 HRESULT invoke_plugin_prop(HTMLPluginContainer *plugin_container, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 450         VARIANT *res, EXCEPINFO *ei)
 451 {
 452     PluginHost *host;
 453
 454     host = plugin_container->plugin_host;
 455     if(!host || !host->disp) {
 456         FIXME("Called with no disp\n");
 457         return E_UNEXPECTED;
 458     }
 459
 460     if(!check_script_safety(host)) {
 461         FIXME("Insecure object\n");
 462         return E_FAIL;
 463     }
 464
 465     if(id < MSHTML_DISPID_CUSTOM_MIN || id > MSHTML_DISPID_CUSTOM_MIN + plugin_container->props_len) {
 466         ERR("Invalid id\n");
 467         return E_FAIL;
 468     }
 469
 470     return IDispatch_Invoke(host->disp, plugin_container->props[id-MSHTML_DISPID_CUSTOM_MIN], &IID_NULL,
 471             lcid, flags, params, res, ei, NULL);
 472 }
 473
 474 typedef struct {
 475     DISPID id;
 476     IDispatch *disp;
 477 } sink_entry_t;
 478
 479 struct PHEventSink {
 480     IDispatch IDispatch_iface;
 481
 482     LONG ref;
 483
 484     PluginHost *host;
 485     ITypeInfo *typeinfo;
 486     GUID iid;
 487     DWORD cookie;
 488     BOOL is_dispiface;
 489
 490     sink_entry_t *handlers;
 491     DWORD handlers_cnt;
 492     DWORD handlers_size;
 493 };
 494
 495 static sink_entry_t *find_sink_entry(PHEventSink *sink, DISPID id)
 496 {
 497     sink_entry_t *iter;
 498
 499     for(iter = sink->handlers; iter < sink->handlers+sink->handlers_cnt; iter++) {
 500         if(iter->id == id)
 501             return iter;
 502     }
 503
 504     return NULL;
 505 }
 506
 507 static void add_sink_handler(PHEventSink *sink, DISPID id, IDispatch *disp)
 508 {
 509     sink_entry_t *entry = find_sink_entry(sink, id);
 510
 511     if(entry) {
 512         if(entry->disp)
 513             IDispatch_Release(entry->disp);
 514     }else {
 515         if(!sink->handlers_size) {
 516             sink->handlers = heap_alloc(4*sizeof(*sink->handlers));
 517             if(!sink->handlers)
 518                 return;
 519             sink->handlers_size = 4;
 520         }else if(sink->handlers_cnt == sink->handlers_size) {
 521             sink_entry_t *new_handlers;
 522
 523             new_handlers = heap_realloc(sink->handlers, 2*sink->handlers_size*sizeof(*sink->handlers));
 524             if(!new_handlers)
 525                 return;
 526             sink->handlers = new_handlers;
 527             sink->handlers_size *= 2;
 528         }
 529         entry = sink->handlers + sink->handlers_cnt++;
 530         entry->id = id;
 531     }
 532
 533     IDispatch_AddRef(disp);
 534     entry->disp = disp;
 535 }
 536
 537 static inline PHEventSink *PHEventSink_from_IDispatch(IDispatch *iface)
 538 {
 539     return CONTAINING_RECORD(iface, PHEventSink, IDispatch_iface);
 540 }
 541
 542 static HRESULT WINAPI PHEventSink_QueryInterface(IDispatch *iface, REFIID riid, void **ppv)
 543 {
 544     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 545
 546     if(IsEqualGUID(riid, &IID_IUnknown)) {
 547         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 548         *ppv = &This->IDispatch_iface;
 549     }else if(IsEqualGUID(riid, &IID_IDispatch)) {
 550         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 551         *ppv = &This->IDispatch_iface;
 552     }else if(This->is_dispiface && IsEqualGUID(riid, &This->iid)) {
 553         TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 554         *ppv = &This->IDispatch_iface;
 555     }else {
 556         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 557         *ppv = NULL;
 558         return E_NOINTERFACE;
 559     }
 560
 561     IUnknown_AddRef((IUnknown*)*ppv);
 562     return S_OK;
 563 }
 564
 565 static ULONG WINAPI PHEventSink_AddRef(IDispatch *iface)
 566 {
 567     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 568     LONG ref = InterlockedIncrement(&This->ref);
 569
 570     TRACE("(%p)\n", This);
 571
 572     return ref;
 573 }
 574
 575 static ULONG WINAPI PHEventSink_Release(IDispatch *iface)
 576 {
 577     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 578     LONG ref = InterlockedDecrement(&This->ref);
 579
 580     TRACE("(%p)\n", This);
 581
 582     if(!ref) {
 583         unsigned i;
 584
 585         assert(!This->host);
 586
 587         for(i=0; i < This->handlers_cnt; i++) {
 588             if(This->handlers[i].disp)
 589                 IDispatch_Release(This->handlers[i].disp);
 590         }
 591         heap_free(This->handlers);
 592         heap_free(This);
 593     }
 594
 595     return ref;
 596 }
 597
 598 static HRESULT WINAPI PHEventSink_GetTypeInfoCount(IDispatch *iface, UINT *pctinfo)
 599 {
 600     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 601     FIXME("(%p)->(%p)\n", This, pctinfo);
 602     return E_NOTIMPL;
 603 }
 604
 605 static HRESULT WINAPI PHEventSink_GetTypeInfo(IDispatch *iface, UINT iTInfo,
 606         LCID lcid, ITypeInfo **ppTInfo)
 607 {
 608     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 609     FIXME("(%p)->(%d %d %p)\n", This, iTInfo, lcid, ppTInfo);
 610     return E_NOTIMPL;
 611 }
 612
 613 static HRESULT WINAPI PHEventSink_GetIDsOfNames(IDispatch *iface, REFIID riid, LPOLESTR *rgszNames,
 614         UINT cNames, LCID lcid, DISPID *rgDispId)
 615 {
 616     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 617     FIXME("(%p)->(%s %p %u %d %p)\n", This, debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
 618     return E_NOTIMPL;
 619 }
 620
 621 static HRESULT WINAPI PHEventSink_Invoke(IDispatch *iface, DISPID dispIdMember, REFIID riid, LCID lcid,
 622         WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 623 {
 624     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 625     IDispatchEx *dispex;
 626     sink_entry_t *entry;
 627     HRESULT hres;
 628
 629     TRACE("(%p)->(%d %s %d %x %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid), lcid, wFlags,
 630           pDispParams, pVarResult, pExcepInfo, puArgErr);
 631
 632     if(!This->host) {
 633         WARN("No host\n");
 634         return E_UNEXPECTED;
 635     }
 636
 637     entry = find_sink_entry(This, dispIdMember);
 638     if(!entry || !entry->disp) {
 639         WARN("No handler %d\n", dispIdMember);
 640         if(pVarResult)
 641             V_VT(pVarResult) = VT_EMPTY;
 642         return S_OK;
 643     }
 644
 645     hres = IDispatch_QueryInterface(entry->disp, &IID_IDispatchEx, (void**)&dispex);
 646
 647     TRACE("(%p) %d >>>\n", This, entry->id);
 648     if(SUCCEEDED(hres)) {
 649         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, NULL);
 650         IDispatchEx_Release(dispex);
 651     }else {
 652         hres = IDispatch_Invoke(entry->disp, DISPID_VALUE, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 653     }
 654     if(SUCCEEDED(hres))
 655         TRACE("(%p) %d <<<\n", This, entry->id);
 656     else
 657         WARN("(%p) %d <<< %08x\n", This, entry->id, hres);
 658     return hres;
 659 }
 660
 661 static const IDispatchVtbl PHCPDispatchVtbl = {
 662     PHEventSink_QueryInterface,
 663     PHEventSink_AddRef,
 664     PHEventSink_Release,
 665     PHEventSink_GetTypeInfoCount,
 666     PHEventSink_GetTypeInfo,
 667     PHEventSink_GetIDsOfNames,
 668     PHEventSink_Invoke
 669 };
 670
 671 static PHEventSink *create_event_sink(PluginHost *plugin_host, ITypeInfo *typeinfo)
 672 {
 673     IConnectionPointContainer *cp_container;
 674     PHEventSink *ret;
 675     IConnectionPoint *cp;
 676     TYPEATTR *typeattr;
 677     TYPEKIND typekind;
 678     GUID guid;
 679     HRESULT hres;
 680
 681     hres = ITypeInfo_GetTypeAttr(typeinfo, &typeattr);
 682     if(FAILED(hres))
 683         return NULL;
 684
 685     typekind = typeattr->typekind;
 686     guid = typeattr->guid;
 687     ITypeInfo_ReleaseTypeAttr(typeinfo, typeattr);
 688
 689     TRACE("guid %s typekind %d\n", debugstr_guid(&guid), typekind);
 690
 691     if(typekind != TKIND_INTERFACE && typekind != TKIND_DISPATCH) {
 692         WARN("invalid typekind %d\n", typekind);
 693         return NULL;
 694     }
 695
 696     hres = IUnknown_QueryInterface(plugin_host->plugin_unk, &IID_IConnectionPointContainer, (void**)&cp_container);
 697     if(FAILED(hres)) {
 698         WARN("Could not get IConnectionPointContainer iface: %08x\n", hres);
 699         return NULL;
 700     }
 701
 702     hres = IConnectionPointContainer_FindConnectionPoint(cp_container, &guid, &cp);
 703     IConnectionPointContainer_Release(cp_container);
 704     if(FAILED(hres)) {
 705         WARN("Could not find %s connection point\n", debugstr_guid(&guid));
 706         return NULL;
 707     }
 708
 709     ret = heap_alloc_zero(sizeof(*ret));
 710     if(ret) {
 711         ret->IDispatch_iface.lpVtbl = &PHCPDispatchVtbl;
 712         ret->ref = 1;
 713         ret->host = plugin_host;
 714         ret->iid = guid;
 715         ret->is_dispiface = typekind == TKIND_DISPATCH;
 716
 717         ITypeInfo_AddRef(typeinfo);
 718         ret->typeinfo = typeinfo;
 719
 720         hres = IConnectionPoint_Advise(cp, (IUnknown*)&ret->IDispatch_iface, &ret->cookie);
 721     }else {
 722         hres = E_OUTOFMEMORY;
 723     }
 724
 725     IConnectionPoint_Release(cp);
 726     if(FAILED(hres)) {
 727         WARN("Advise failed: %08x\n", hres);
 728         return NULL;
 729     }
 730
 731     return ret;
 732 }
 733
 734 static ITypeInfo *get_eventiface_info(HTMLPluginContainer *plugin_container, ITypeInfo *class_info)
 735 {
 736     int impl_types, i, impl_flags;
 737     ITypeInfo *ret = NULL;
 738     TYPEATTR *typeattr;
 739     HREFTYPE ref;
 740     HRESULT hres;
 741
 742     hres = ITypeInfo_GetTypeAttr(class_info, &typeattr);
 743     if(FAILED(hres))
 744         return NULL;
 745
 746     if(typeattr->typekind != TKIND_COCLASS) {
 747         WARN("not coclass\n");
 748         ITypeInfo_ReleaseTypeAttr(class_info, typeattr);
 749         return NULL;
 750     }
 751
 752     impl_types = typeattr->cImplTypes;
 753     ITypeInfo_ReleaseTypeAttr(class_info, typeattr);
 754
 755     for(i=0; i<impl_types; i++) {
 756         hres = ITypeInfo_GetImplTypeFlags(class_info, i, &impl_flags);
 757         if(FAILED(hres))
 758             continue;
 759
 760         if((impl_flags & IMPLTYPEFLAG_FSOURCE)) {
 761             if(!(impl_flags & IMPLTYPEFLAG_FDEFAULT)) {
 762                 FIXME("Handle non-default source iface\n");
 763                 continue;
 764             }
 765
 766             hres = ITypeInfo_GetRefTypeOfImplType(class_info, i, &ref);
 767             if(FAILED(hres))
 768                 continue;
 769
 770             hres = ITypeInfo_GetRefTypeInfo(class_info, ref, &ret);
 771             if(FAILED(hres))
 772                 ret = NULL;
 773         }
 774     }
 775
 776     return ret;
 777 }
 778
 779 void bind_activex_event(HTMLDocumentNode *doc, HTMLPluginContainer *plugin_container, WCHAR *event, IDispatch *disp)
 780 {
 781     PluginHost *plugin_host = plugin_container->plugin_host;
 782     ITypeInfo *class_info, *source_info;
 783     DISPID id;
 784     HRESULT hres;
 785
 786     TRACE("(%p %p %s %p)\n", doc, plugin_host, debugstr_w(event), disp);
 787
 788     if(!plugin_host || !plugin_host->plugin_unk) {
 789         WARN("detached element %p\n", plugin_host);
 790         return;
 791     }
 792
 793     if(plugin_host->sink) {
 794         source_info = plugin_host->sink->typeinfo;
 795         ITypeInfo_AddRef(source_info);
 796     }else {
 797         IProvideClassInfo *provide_ci;
 798
 799         hres = IUnknown_QueryInterface(plugin_host->plugin_unk, &IID_IProvideClassInfo, (void**)&provide_ci);
 800         if(FAILED(hres)) {
 801             FIXME("No IProvideClassInfo, try GetTypeInfo?\n");
 802             return;
 803         }
 804
 805         hres = IProvideClassInfo_GetClassInfo(provide_ci, &class_info);
 806         IProvideClassInfo_Release(provide_ci);
 807         if(FAILED(hres) || !class_info) {
 808             WARN("GetClassInfo failed: %08x\n", hres);
 809             return;
 810         }
 811
 812         source_info = get_eventiface_info(plugin_container, class_info);
 813         ITypeInfo_Release(class_info);
 814         if(!source_info)
 815             return;
 816     }
 817
 818     hres = ITypeInfo_GetIDsOfNames(source_info, &event, 1, &id);
 819     if(FAILED(hres))
 820         WARN("Could not get disp id: %08x\n", hres);
 821     else if(!plugin_host->sink)
 822         plugin_host->sink = create_event_sink(plugin_host, source_info);
 823
 824     ITypeInfo_Release(source_info);
 825     if(FAILED(hres) || !plugin_host->sink)
 826         return;
 827
 828     add_sink_handler(plugin_host->sink, id, disp);
 829 }
 830
 831 static inline PluginHost *impl_from_IOleClientSite(IOleClientSite *iface)
 832 {
 833     return CONTAINING_RECORD(iface, PluginHost, IOleClientSite_iface);
 834 }
 835
 836 static HRESULT WINAPI PHClientSite_QueryInterface(IOleClientSite *iface, REFIID riid, void **ppv)
 837 {
 838     PluginHost *This = impl_from_IOleClientSite(iface);
 839
 840     if(IsEqualGUID(&IID_IUnknown, riid)) {
 841         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 842         *ppv = &This->IOleClientSite_iface;
 843     }else if(IsEqualGUID(&IID_IOleClientSite, riid)) {
 844         TRACE("(%p)->(IID_IOleClientSite %p)\n", This, ppv);
 845         *ppv = &This->IOleClientSite_iface;
 846     }else if(IsEqualGUID(&IID_IAdviseSink, riid)) {
 847         TRACE("(%p)->(IID_IAdviseSink %p)\n", This, ppv);
 848         *ppv = &This->IAdviseSinkEx_iface;
 849     }else if(IsEqualGUID(&IID_IAdviseSinkEx, riid)) {
 850         TRACE("(%p)->(IID_IAdviseSinkEx %p)\n", This, ppv);
 851         *ppv = &This->IAdviseSinkEx_iface;
 852     }else if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) {
 853         TRACE("(%p)->(IID_IPropertyNotifySink %p)\n", This, ppv);
 854         *ppv = &This->IPropertyNotifySink_iface;
 855     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 856         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 857         *ppv = &This->IDispatch_iface;
 858     }else if(IsEqualGUID(&IID_IOleWindow, riid)) {
 859         TRACE("(%p)->(IID_IOleWindow %p)\n", This, ppv);
 860         *ppv = &This->IOleInPlaceSiteEx_iface;
 861     }else if(IsEqualGUID(&IID_IOleInPlaceSite, riid)) {
 862         TRACE("(%p)->(IID_IOleInPlaceSite %p)\n", This, ppv);
 863         *ppv = &This->IOleInPlaceSiteEx_iface;
 864     }else if(IsEqualGUID(&IID_IOleInPlaceSiteEx, riid)) {
 865         TRACE("(%p)->(IID_IOleInPlaceSiteEx %p)\n", This, ppv);
 866         *ppv = &This->IOleInPlaceSiteEx_iface;
 867     }else if(IsEqualGUID(&IID_IOleControlSite, riid)) {
 868         TRACE("(%p)->(IID_IOleControlSite %p)\n", This, ppv);
 869         *ppv = &This->IOleControlSite_iface;
 870     }else if(IsEqualGUID(&IID_IBindHost, riid)) {
 871         TRACE("(%p)->(IID_IBindHost %p)\n", This, ppv);
 872         *ppv = &This->IBindHost_iface;
 873     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 874         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 875         *ppv = &This->IServiceProvider_iface;
 876     }else {
 877         WARN("Unsupported interface %s\n", debugstr_guid(riid));
 878         *ppv = NULL;
 879         return E_NOINTERFACE;
 880     }
 881
 882     IUnknown_AddRef((IUnknown*)*ppv);
 883     return S_OK;
 884 }
 885
 886 static ULONG WINAPI PHClientSite_AddRef(IOleClientSite *iface)
 887 {
 888     PluginHost *This = impl_from_IOleClientSite(iface);
 889     LONG ref = InterlockedIncrement(&This->ref);
 890
 891     TRACE("(%p) ref=%d\n", This, ref);
 892
 893     return ref;
 894 }
 895
 896 static ULONG WINAPI PHClientSite_Release(IOleClientSite *iface)
 897 {
 898     PluginHost *This = impl_from_IOleClientSite(iface);
 899     LONG ref = InterlockedDecrement(&This->ref);
 900
 901     TRACE("(%p) ref=%d\n", This, ref);
 902
 903     if(!ref) {
 904         if(This->disp)
 905             IDispatch_Release(This->disp);
 906         if(This->ip_object)
 907             IOleInPlaceObject_Release(This->ip_object);
 908         if(This->sink) {
 909             This->sink->host = NULL;
 910             IDispatch_Release(&This->sink->IDispatch_iface);
 911             This->sink = NULL;
 912         }
 913         list_remove(&This->entry);
 914         if(This->element)
 915             This->element->plugin_host = NULL;
 916         if(This->plugin_unk)
 917             IUnknown_Release(This->plugin_unk);
 918         heap_free(This);
 919     }
 920
 921     return ref;
 922 }
 923
 924 static HRESULT WINAPI PHClientSite_SaveObject(IOleClientSite *iface)
 925 {
 926     PluginHost *This = impl_from_IOleClientSite(iface);
 927     FIXME("(%p)\n", This);
 928     return E_NOTIMPL;
 929 }
 930
 931 static HRESULT WINAPI PHClientSite_GetMoniker(IOleClientSite *iface, DWORD dwAssign,
 932         DWORD dwWhichMoniker, IMoniker **ppmk)
 933 {
 934     PluginHost *This = impl_from_IOleClientSite(iface);
 935
 936     TRACE("(%p)->(%d %d %p)\n", This, dwAssign, dwWhichMoniker, ppmk);
 937
 938     switch(dwWhichMoniker) {
 939     case OLEWHICHMK_CONTAINER:
 940         if(!This->doc || !This->doc->window || !This->doc->window->mon) {
 941             FIXME("no moniker\n");
 942             return E_UNEXPECTED;
 943         }
 944
 945         *ppmk = This->doc->window->mon;
 946         IMoniker_AddRef(*ppmk);
 947         break;
 948     default:
 949         FIXME("which %d\n", dwWhichMoniker);
 950         return E_NOTIMPL;
 951     }
 952
 953     return S_OK;
 954 }
 955
 956 static HRESULT WINAPI PHClientSite_GetContainer(IOleClientSite *iface, IOleContainer **ppContainer)
 957 {
 958     PluginHost *This = impl_from_IOleClientSite(iface);
 959
 960     TRACE("(%p)->(%p)\n", This, ppContainer);
 961
 962     if(!This->doc) {
 963         ERR("Called on detached object\n");
 964         return E_UNEXPECTED;
 965     }
 966
 967     *ppContainer = &This->doc->basedoc.IOleContainer_iface;
 968     IOleContainer_AddRef(*ppContainer);
 969     return S_OK;
 970 }
 971
 972 static HRESULT WINAPI PHClientSite_ShowObject(IOleClientSite *iface)
 973 {
 974     PluginHost *This = impl_from_IOleClientSite(iface);
 975
 976     TRACE("(%p)\n", This);
 977
 978     return S_OK;
 979 }
 980
 981 static HRESULT WINAPI PHClientSite_OnShowWindow(IOleClientSite *iface, BOOL fShow)
 982 {
 983     PluginHost *This = impl_from_IOleClientSite(iface);
 984     FIXME("(%p)->(%x)\n", This, fShow);
 985     return E_NOTIMPL;
 986 }
 987
 988 static HRESULT WINAPI PHClientSite_RequestNewObjectLayout(IOleClientSite *iface)
 989 {
 990     PluginHost *This = impl_from_IOleClientSite(iface);
 991     FIXME("(%p)\n", This);
 992     return E_NOTIMPL;
 993 }
 994
 995 static const IOleClientSiteVtbl OleClientSiteVtbl = {
 996     PHClientSite_QueryInterface,
 997     PHClientSite_AddRef,
 998     PHClientSite_Release,
 999     PHClientSite_SaveObject,
1000     PHClientSite_GetMoniker,
1001     PHClientSite_GetContainer,
1002     PHClientSite_ShowObject,
1003     PHClientSite_OnShowWindow,
1004     PHClientSite_RequestNewObjectLayout
1005 };
1006
1007 static inline PluginHost *impl_from_IAdviseSinkEx(IAdviseSinkEx *iface)
1008 {
1009     return CONTAINING_RECORD(iface, PluginHost, IAdviseSinkEx_iface);
1010 }
1011
1012 static HRESULT WINAPI PHAdviseSinkEx_QueryInterface(IAdviseSinkEx *iface, REFIID riid, void **ppv)
1013 {
1014     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1015     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1016 }
1017
1018 static ULONG WINAPI PHAdviseSinkEx_AddRef(IAdviseSinkEx *iface)
1019 {
1020     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1021     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1022 }
1023
1024 static ULONG WINAPI PHAdviseSinkEx_Release(IAdviseSinkEx *iface)
1025 {
1026     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1027     return IOleClientSite_Release(&This->IOleClientSite_iface);
1028 }
1029
1030 static void WINAPI PHAdviseSinkEx_OnDataChange(IAdviseSinkEx *iface, FORMATETC *pFormatetc, STGMEDIUM *pStgMedium)
1031 {
1032     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1033     FIXME("(%p)->(%p %p)\n", This, pFormatetc, pStgMedium);
1034 }
1035
1036 static void WINAPI PHAdviseSinkEx_OnViewChange(IAdviseSinkEx *iface, DWORD dwAspect, LONG lindex)
1037 {
1038     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1039     FIXME("(%p)->(%d %d)\n", This, dwAspect, lindex);
1040 }
1041
1042 static void WINAPI PHAdviseSinkEx_OnRename(IAdviseSinkEx *iface, IMoniker *pmk)
1043 {
1044     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1045     FIXME("(%p)->(%p)\n", This, pmk);
1046 }
1047
1048 static void WINAPI PHAdviseSinkEx_OnSave(IAdviseSinkEx *iface)
1049 {
1050     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1051     FIXME("(%p)\n", This);
1052 }
1053
1054 static void WINAPI PHAdviseSinkEx_OnClose(IAdviseSinkEx *iface)
1055 {
1056     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1057     FIXME("(%p)\n", This);
1058 }
1059
1060 static void WINAPI PHAdviseSinkEx_OnViewStatusChange(IAdviseSinkEx *iface, DWORD dwViewStatus)
1061 {
1062     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1063     FIXME("(%p)->(%d)\n", This, dwViewStatus);
1064 }
1065
1066 static const IAdviseSinkExVtbl AdviseSinkExVtbl = {
1067     PHAdviseSinkEx_QueryInterface,
1068     PHAdviseSinkEx_AddRef,
1069     PHAdviseSinkEx_Release,
1070     PHAdviseSinkEx_OnDataChange,
1071     PHAdviseSinkEx_OnViewChange,
1072     PHAdviseSinkEx_OnRename,
1073     PHAdviseSinkEx_OnSave,
1074     PHAdviseSinkEx_OnClose,
1075     PHAdviseSinkEx_OnViewStatusChange
1076 };
1077
1078 static inline PluginHost *impl_from_IPropertyNotifySink(IPropertyNotifySink *iface)
1079 {
1080     return CONTAINING_RECORD(iface, PluginHost, IPropertyNotifySink_iface);
1081 }
1082
1083 static HRESULT WINAPI PHPropertyNotifySink_QueryInterface(IPropertyNotifySink *iface, REFIID riid, void **ppv)
1084 {
1085     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1086     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1087 }
1088
1089 static ULONG WINAPI PHPropertyNotifySink_AddRef(IPropertyNotifySink *iface)
1090 {
1091     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1092     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1093 }
1094
1095 static ULONG WINAPI PHPropertyNotifySink_Release(IPropertyNotifySink *iface)
1096 {
1097     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1098     return IOleClientSite_Release(&This->IOleClientSite_iface);
1099 }
1100
1101 static HRESULT WINAPI PHPropertyNotifySink_OnChanged(IPropertyNotifySink *iface, DISPID dispID)
1102 {
1103     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1104
1105     TRACE("(%p)->(%d)\n", This, dispID);
1106
1107     switch(dispID) {
1108     case DISPID_READYSTATE:
1109         update_readystate(This);
1110         break;
1111     default :
1112         FIXME("Unimplemented dispID %d\n", dispID);
1113         return E_NOTIMPL;
1114     }
1115
1116     return S_OK;
1117 }
1118
1119 static HRESULT WINAPI PHPropertyNotifySink_OnRequestEdit(IPropertyNotifySink *iface, DISPID dispID)
1120 {
1121     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1122     FIXME("(%p)->(%d)\n", This, dispID);
1123     return E_NOTIMPL;
1124 }
1125
1126 static const IPropertyNotifySinkVtbl PropertyNotifySinkVtbl = {
1127     PHPropertyNotifySink_QueryInterface,
1128     PHPropertyNotifySink_AddRef,
1129     PHPropertyNotifySink_Release,
1130     PHPropertyNotifySink_OnChanged,
1131     PHPropertyNotifySink_OnRequestEdit
1132 };
1133
1134 static inline PluginHost *impl_from_IDispatch(IDispatch *iface)
1135 {
1136     return CONTAINING_RECORD(iface, PluginHost, IDispatch_iface);
1137 }
1138
1139 static HRESULT WINAPI PHDispatch_QueryInterface(IDispatch *iface, REFIID riid, void **ppv)
1140 {
1141     PluginHost *This = impl_from_IDispatch(iface);
1142     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1143 }
1144
1145 static ULONG WINAPI PHDispatch_AddRef(IDispatch *iface)
1146 {
1147     PluginHost *This = impl_from_IDispatch(iface);
1148     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1149 }
1150
1151 static ULONG WINAPI PHDispatch_Release(IDispatch *iface)
1152 {
1153     PluginHost *This = impl_from_IDispatch(iface);
1154     return IOleClientSite_Release(&This->IOleClientSite_iface);
1155 }
1156
1157 static HRESULT WINAPI PHDispatch_GetTypeInfoCount(IDispatch *iface, UINT *pctinfo)
1158 {
1159     PluginHost *This = impl_from_IDispatch(iface);
1160     FIXME("(%p)->(%p)\n", This, pctinfo);
1161     return E_NOTIMPL;
1162 }
1163
1164 static HRESULT WINAPI PHDispatch_GetTypeInfo(IDispatch *iface, UINT iTInfo,
1165         LCID lcid, ITypeInfo **ppTInfo)
1166 {
1167     PluginHost *This = impl_from_IDispatch(iface);
1168     FIXME("(%p)->(%d %d %p)\n", This, iTInfo, lcid, ppTInfo);
1169     return E_NOTIMPL;
1170 }
1171
1172 static HRESULT WINAPI PHDispatch_GetIDsOfNames(IDispatch *iface, REFIID riid,
1173         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
1174 {
1175     PluginHost *This = impl_from_IDispatch(iface);
1176     FIXME("(%p)->(%s %p %d %d %p)\n", This, debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1177     return E_NOTIMPL;
1178 }
1179
1180 static HRESULT WINAPI PHDispatch_Invoke(IDispatch *iface, DISPID dispid,  REFIID riid, LCID lcid,
1181         WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1182 {
1183     PluginHost *This = impl_from_IDispatch(iface);
1184     FIXME("(%p)->(%d %x %p %p)\n", This, dispid, wFlags, pDispParams, pVarResult);
1185     return E_NOTIMPL;
1186 }
1187
1188 static const IDispatchVtbl DispatchVtbl = {
1189     PHDispatch_QueryInterface,
1190     PHDispatch_AddRef,
1191     PHDispatch_Release,
1192     PHDispatch_GetTypeInfoCount,
1193     PHDispatch_GetTypeInfo,
1194     PHDispatch_GetIDsOfNames,
1195     PHDispatch_Invoke
1196 };
1197
1198 static inline PluginHost *impl_from_IOleInPlaceSiteEx(IOleInPlaceSiteEx *iface)
1199 {
1200     return CONTAINING_RECORD(iface, PluginHost, IOleInPlaceSiteEx_iface);
1201 }
1202
1203 static HRESULT WINAPI PHInPlaceSite_QueryInterface(IOleInPlaceSiteEx *iface, REFIID riid, void **ppv)
1204 {
1205     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1206     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1207 }
1208
1209 static ULONG WINAPI PHInPlaceSite_AddRef(IOleInPlaceSiteEx *iface)
1210 {
1211     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1212     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1213 }
1214
1215 static ULONG WINAPI PHInPlaceSite_Release(IOleInPlaceSiteEx *iface)
1216 {
1217     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1218     return IOleClientSite_Release(&This->IOleClientSite_iface);
1219 }
1220
1221 static HRESULT WINAPI PHInPlaceSite_GetWindow(IOleInPlaceSiteEx *iface, HWND *phwnd)
1222 {
1223     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1224
1225     TRACE("(%p)->(%p)\n", This, phwnd);
1226
1227     *phwnd = This->hwnd;
1228     return S_OK;
1229 }
1230
1231 static HRESULT WINAPI PHInPlaceSite_ContextSensitiveHelp(IOleInPlaceSiteEx *iface, BOOL fEnterMode)
1232 {
1233     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1234     FIXME("(%p)->(%x)\n", This, fEnterMode);
1235     return E_NOTIMPL;
1236 }
1237
1238 static HRESULT WINAPI PHInPlaceSite_CanInPlaceActivate(IOleInPlaceSiteEx *iface)
1239 {
1240     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1241
1242     TRACE("(%p)\n", This);
1243
1244     return S_OK;
1245 }
1246
1247 static HRESULT WINAPI PHInPlaceSite_OnInPlaceActivate(IOleInPlaceSiteEx *iface)
1248 {
1249     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1250     FIXME("(%p)\n", This);
1251     return E_NOTIMPL;
1252 }
1253
1254 static HRESULT WINAPI PHInPlaceSite_OnUIActivate(IOleInPlaceSiteEx *iface)
1255 {
1256     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1257
1258     TRACE("(%p)\n", This);
1259
1260     if(!This->plugin_unk) {
1261         ERR("No plugin object\n");
1262         return E_UNEXPECTED;
1263     }
1264
1265     This->ui_active = TRUE;
1266
1267     notif_enabled(This);
1268     return S_OK;
1269 }
1270
1271 static HRESULT WINAPI PHInPlaceSite_GetWindowContext(IOleInPlaceSiteEx *iface,
1272         IOleInPlaceFrame **ppFrame, IOleInPlaceUIWindow **ppDoc, RECT *lprcPosRect,
1273         RECT *lprcClipRect, OLEINPLACEFRAMEINFO *frame_info)
1274 {
1275     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1276     IOleInPlaceUIWindow *ip_window;
1277     IOleInPlaceFrame *ip_frame;
1278     RECT pr, cr;
1279     HRESULT hres;
1280
1281     TRACE("(%p)->(%p %p %p %p %p)\n", This, ppFrame, ppDoc, lprcPosRect, lprcClipRect, frame_info);
1282
1283     if(!This->doc || !This->doc->basedoc.doc_obj || !This->doc->basedoc.doc_obj->ipsite) {
1284         FIXME("No ipsite\n");
1285         return E_UNEXPECTED;
1286     }
1287
1288     hres = IOleInPlaceSite_GetWindowContext(This->doc->basedoc.doc_obj->ipsite, &ip_frame, &ip_window, &pr, &cr, frame_info);
1289     if(FAILED(hres)) {
1290         WARN("GetWindowContext failed: %08x\n", hres);
1291         return hres;
1292     }
1293
1294     if(ip_window)
1295         IOleInPlaceUIWindow_Release(ip_window);
1296     if(ip_frame)
1297         IOleInPlaceFrame_Release(ip_frame);
1298
1299     hres = create_ip_frame(&ip_frame);
1300     if(FAILED(hres))
1301         return hres;
1302
1303     hres = create_ip_window(ppDoc);
1304     if(FAILED(hres)) {
1305         IOleInPlaceFrame_Release(ip_frame);
1306         return hres;
1307     }
1308
1309     *ppFrame = ip_frame;
1310     *lprcPosRect = This->rect;
1311     *lprcClipRect = This->rect;
1312     return S_OK;
1313 }
1314
1315 static HRESULT WINAPI PHInPlaceSite_Scroll(IOleInPlaceSiteEx *iface, SIZE scrollExtent)
1316 {
1317     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1318     FIXME("(%p)->({%d %d})\n", This, scrollExtent.cx, scrollExtent.cy);
1319     return E_NOTIMPL;
1320 }
1321
1322 static HRESULT WINAPI PHInPlaceSite_OnUIDeactivate(IOleInPlaceSiteEx *iface, BOOL fUndoable)
1323 {
1324     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1325     FIXME("(%p)->(%x)\n", This, fUndoable);
1326     return E_NOTIMPL;
1327 }
1328
1329 static HRESULT WINAPI PHInPlaceSite_OnInPlaceDeactivate(IOleInPlaceSiteEx *iface)
1330 {
1331     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1332
1333     TRACE("(%p)\n", This);
1334
1335     if(This->ip_object) {
1336         IOleInPlaceObject_Release(This->ip_object);
1337         This->ip_object = NULL;
1338     }
1339
1340     return S_OK;
1341 }
1342
1343 static HRESULT WINAPI PHInPlaceSite_DiscardUndoState(IOleInPlaceSiteEx *iface)
1344 {
1345     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1346     FIXME("(%p)\n", This);
1347     return E_NOTIMPL;
1348 }
1349
1350 static HRESULT WINAPI PHInPlaceSite_DeactivateAndUndo(IOleInPlaceSiteEx *iface)
1351 {
1352     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1353     FIXME("(%p)\n", This);
1354     return E_NOTIMPL;
1355 }
1356
1357 static HRESULT WINAPI PHInPlaceSite_OnPosRectChange(IOleInPlaceSiteEx *iface, LPCRECT lprcPosRect)
1358 {
1359     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1360     FIXME("(%p)->(%p)\n", This, lprcPosRect);
1361     return E_NOTIMPL;
1362 }
1363
1364 static HRESULT WINAPI PHInPlaceSiteEx_OnInPlaceActivateEx(IOleInPlaceSiteEx *iface, BOOL *pfNoRedraw, DWORD dwFlags)
1365 {
1366     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1367     HWND hwnd;
1368     HRESULT hres;
1369
1370     TRACE("(%p)->(%p %x)\n", This, pfNoRedraw, dwFlags);
1371
1372     if(This->ip_object)
1373         return S_OK;
1374
1375     hres = IUnknown_QueryInterface(This->plugin_unk, &IID_IOleInPlaceObject, (void**)&This->ip_object);
1376     if(FAILED(hres))
1377         return hres;
1378
1379     hres = IOleInPlaceObject_GetWindow(This->ip_object, &hwnd);
1380     if(SUCCEEDED(hres))
1381         FIXME("Use hwnd %p\n", hwnd);
1382
1383     *pfNoRedraw = FALSE;
1384     return S_OK;
1385 }
1386
1387 static HRESULT WINAPI PHInPlaceSiteEx_OnInPlaceDeactivateEx(IOleInPlaceSiteEx *iface, BOOL fNoRedraw)
1388 {
1389     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1390     FIXME("(%p)->(%x)\n", This, fNoRedraw);
1391     return E_NOTIMPL;
1392 }
1393
1394 static HRESULT WINAPI PHInPlaceSiteEx_RequestUIActivate(IOleInPlaceSiteEx *iface)
1395 {
1396     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1397     FIXME("(%p)\n", This);
1398     return E_NOTIMPL;
1399 }
1400
1401 static const IOleInPlaceSiteExVtbl OleInPlaceSiteExVtbl = {
1402     PHInPlaceSite_QueryInterface,
1403     PHInPlaceSite_AddRef,
1404     PHInPlaceSite_Release,
1405     PHInPlaceSite_GetWindow,
1406     PHInPlaceSite_ContextSensitiveHelp,
1407     PHInPlaceSite_CanInPlaceActivate,
1408     PHInPlaceSite_OnInPlaceActivate,
1409     PHInPlaceSite_OnUIActivate,
1410     PHInPlaceSite_GetWindowContext,
1411     PHInPlaceSite_Scroll,
1412     PHInPlaceSite_OnUIDeactivate,
1413     PHInPlaceSite_OnInPlaceDeactivate,
1414     PHInPlaceSite_DiscardUndoState,
1415     PHInPlaceSite_DeactivateAndUndo,
1416     PHInPlaceSite_OnPosRectChange,
1417     PHInPlaceSiteEx_OnInPlaceActivateEx,
1418     PHInPlaceSiteEx_OnInPlaceDeactivateEx,
1419     PHInPlaceSiteEx_RequestUIActivate
1420 };
1421
1422 static inline PluginHost *impl_from_IOleControlSite(IOleControlSite *iface)
1423 {
1424     return CONTAINING_RECORD(iface, PluginHost, IOleControlSite_iface);
1425 }
1426
1427 static HRESULT WINAPI PHControlSite_QueryInterface(IOleControlSite *iface, REFIID riid, void **ppv)
1428 {
1429     PluginHost *This = impl_from_IOleControlSite(iface);
1430     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1431 }
1432
1433 static ULONG WINAPI PHControlSite_AddRef(IOleControlSite *iface)
1434 {
1435     PluginHost *This = impl_from_IOleControlSite(iface);
1436     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1437 }
1438
1439 static ULONG WINAPI PHControlSite_Release(IOleControlSite *iface)
1440 {
1441     PluginHost *This = impl_from_IOleControlSite(iface);
1442     return IOleClientSite_Release(&This->IOleClientSite_iface);
1443 }
1444
1445 static HRESULT WINAPI PHControlSite_OnControlInfoChanged(IOleControlSite *iface)
1446 {
1447     PluginHost *This = impl_from_IOleControlSite(iface);
1448     FIXME("(%p)\n", This);
1449     return E_NOTIMPL;
1450 }
1451
1452 static HRESULT WINAPI PHControlSite_LockInPlaceActive(IOleControlSite *iface, BOOL fLock)
1453 {
1454     PluginHost *This = impl_from_IOleControlSite(iface);
1455     FIXME("(%p)->(%x)\n", This, fLock);
1456     return E_NOTIMPL;
1457 }
1458
1459 static HRESULT WINAPI PHControlSite_GetExtendedControl(IOleControlSite *iface, IDispatch **ppDisp)
1460 {
1461     PluginHost *This = impl_from_IOleControlSite(iface);
1462     FIXME("(%p)->(%p)\n", This, ppDisp);
1463     return E_NOTIMPL;
1464 }
1465
1466 static HRESULT WINAPI PHControlSite_TransformCoords(IOleControlSite *iface, POINTL *pPtlHimetric, POINTF *pPtfContainer, DWORD dwFlags)
1467 {
1468     PluginHost *This = impl_from_IOleControlSite(iface);
1469     FIXME("(%p)->(%p %p %x)\n", This, pPtlHimetric, pPtfContainer, dwFlags);
1470     return E_NOTIMPL;
1471 }
1472
1473 static HRESULT WINAPI PHControlSite_TranslateAccelerator(IOleControlSite *iface, MSG *pMsg, DWORD grfModifiers)
1474 {
1475     PluginHost *This = impl_from_IOleControlSite(iface);
1476     FIXME("(%p)->(%x)\n", This, grfModifiers);
1477     return E_NOTIMPL;
1478 }
1479
1480 static HRESULT WINAPI PHControlSite_OnFocus(IOleControlSite *iface, BOOL fGotFocus)
1481 {
1482     PluginHost *This = impl_from_IOleControlSite(iface);
1483     FIXME("(%p)->(%x)\n", This, fGotFocus);
1484     return E_NOTIMPL;
1485 }
1486
1487 static HRESULT WINAPI PHControlSite_ShowPropertyFrame(IOleControlSite *iface)
1488 {
1489     PluginHost *This = impl_from_IOleControlSite(iface);
1490     FIXME("(%p)\n", This);
1491     return E_NOTIMPL;
1492 }
1493
1494 static const IOleControlSiteVtbl OleControlSiteVtbl = {
1495     PHControlSite_QueryInterface,
1496     PHControlSite_AddRef,
1497     PHControlSite_Release,
1498     PHControlSite_OnControlInfoChanged,
1499     PHControlSite_LockInPlaceActive,
1500     PHControlSite_GetExtendedControl,
1501     PHControlSite_TransformCoords,
1502     PHControlSite_TranslateAccelerator,
1503     PHControlSite_OnFocus,
1504     PHControlSite_ShowPropertyFrame
1505 };
1506
1507 static inline PluginHost *impl_from_IBindHost(IBindHost *iface)
1508 {
1509     return CONTAINING_RECORD(iface, PluginHost, IBindHost_iface);
1510 }
1511
1512 static HRESULT WINAPI PHBindHost_QueryInterface(IBindHost *iface, REFIID riid, void **ppv)
1513 {
1514     PluginHost *This = impl_from_IBindHost(iface);
1515     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1516 }
1517
1518 static ULONG WINAPI PHBindHost_AddRef(IBindHost *iface)
1519 {
1520     PluginHost *This = impl_from_IBindHost(iface);
1521     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1522 }
1523
1524 static ULONG WINAPI PHBindHost_Release(IBindHost *iface)
1525 {
1526     PluginHost *This = impl_from_IBindHost(iface);
1527     return IOleClientSite_Release(&This->IOleClientSite_iface);
1528 }
1529
1530 static HRESULT WINAPI PHBindHost_CreateMoniker(IBindHost *iface, LPOLESTR szName, IBindCtx *pBC, IMoniker **ppmk, DWORD dwReserved)
1531 {
1532     PluginHost *This = impl_from_IBindHost(iface);
1533
1534     TRACE("(%p)->(%s %p %p %x)\n", This, debugstr_w(szName), pBC, ppmk, dwReserved);
1535
1536     if(!This->doc || !This->doc->window || !This->doc->window->mon) {
1537         FIXME("no moniker\n");
1538         return E_UNEXPECTED;
1539     }
1540
1541     return CreateURLMoniker(This->doc->window->mon, szName, ppmk);
1542 }
1543
1544 static HRESULT WINAPI PHBindHost_MonikerBindToStorage(IBindHost *iface, IMoniker *pMk, IBindCtx *pBC,
1545         IBindStatusCallback *pBSC, REFIID riid, void **ppvObj)
1546 {
1547     PluginHost *This = impl_from_IBindHost(iface);
1548     FIXME("(%p)->(%p %p %p %s %p)\n", This, pMk, pBC, pBSC, debugstr_guid(riid), ppvObj);
1549     return E_NOTIMPL;
1550 }
1551
1552 static HRESULT WINAPI PHBindHost_MonikerBindToObject(IBindHost *iface, IMoniker *pMk, IBindCtx *pBC,
1553         IBindStatusCallback *pBSC, REFIID riid, void **ppvObj)
1554 {
1555     PluginHost *This = impl_from_IBindHost(iface);
1556     FIXME("(%p)->(%p %p %p %s %p)\n", This, pMk, pBC, pBSC, debugstr_guid(riid), ppvObj);
1557     return E_NOTIMPL;
1558 }
1559
1560 static const IBindHostVtbl BindHostVtbl = {
1561     PHBindHost_QueryInterface,
1562     PHBindHost_AddRef,
1563     PHBindHost_Release,
1564     PHBindHost_CreateMoniker,
1565     PHBindHost_MonikerBindToStorage,
1566     PHBindHost_MonikerBindToObject
1567 };
1568
1569 static inline PluginHost *impl_from_IServiceProvider(IServiceProvider *iface)
1570 {
1571     return CONTAINING_RECORD(iface, PluginHost, IServiceProvider_iface);
1572 }
1573
1574 static HRESULT WINAPI PHServiceProvider_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
1575 {
1576     PluginHost *This = impl_from_IServiceProvider(iface);
1577     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1578 }
1579
1580 static ULONG WINAPI PHServiceProvider_AddRef(IServiceProvider *iface)
1581 {
1582     PluginHost *This = impl_from_IServiceProvider(iface);
1583     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1584 }
1585
1586 static ULONG WINAPI PHServiceProvider_Release(IServiceProvider *iface)
1587 {
1588     PluginHost *This = impl_from_IServiceProvider(iface);
1589     return IOleClientSite_Release(&This->IOleClientSite_iface);
1590 }
1591
1592 static HRESULT WINAPI PHServiceProvider_QueryService(IServiceProvider *iface, REFGUID guidService, REFIID riid, void **ppv)
1593 {
1594     PluginHost *This = impl_from_IServiceProvider(iface);
1595
1596     if(IsEqualGUID(guidService, &SID_SBindHost)) {
1597         TRACE("SID_SBindHost service\n");
1598         return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1599     }
1600
1601     TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
1602
1603     if(!This->doc || !This->doc->basedoc.window) {
1604         *ppv = NULL;
1605         return E_NOINTERFACE;
1606     }
1607
1608     return IServiceProvider_QueryService(&This->doc->basedoc.window->base.IServiceProvider_iface,
1609             guidService, riid, ppv);
1610 }
1611
1612 static const IServiceProviderVtbl ServiceProviderVtbl = {
1613     PHServiceProvider_QueryInterface,
1614     PHServiceProvider_AddRef,
1615     PHServiceProvider_Release,
1616     PHServiceProvider_QueryService
1617 };
1618
1619 static HRESULT assoc_element(PluginHost *host, HTMLDocumentNode *doc, nsIDOMElement *nselem)
1620 {
1621     HTMLPluginContainer *container_elem;
1622     HTMLDOMNode *node;
1623     HRESULT hres;
1624
1625     hres = get_node(doc, (nsIDOMNode*)nselem, TRUE, &node);
1626     if(FAILED(hres))
1627         return hres;
1628
1629     hres = IHTMLDOMNode_QueryInterface(&node->IHTMLDOMNode_iface, &IID_HTMLPluginContainer,
1630             (void**)&container_elem);
1631     node_release(node);
1632     if(FAILED(hres)) {
1633         ERR("Not an object element\n");
1634         return hres;
1635     }
1636
1637     container_elem->plugin_host = host;
1638     host->element = container_elem;
1639     return S_OK;
1640 }
1641
1642 void detach_plugin_host(PluginHost *host)
1643 {
1644     HRESULT hres;
1645
1646     TRACE("%p\n", host);
1647
1648     if(!host->doc)
1649         return;
1650
1651     if(host->ip_object) {
1652         if(host->ui_active)
1653             IOleInPlaceObject_UIDeactivate(host->ip_object);
1654         IOleInPlaceObject_InPlaceDeactivate(host->ip_object);
1655     }
1656
1657     if(host->plugin_unk) {
1658         IOleObject *ole_obj;
1659
1660         hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleObject, (void**)&ole_obj);
1661         if(SUCCEEDED(hres)) {
1662             if(!host->ip_object)
1663                 IOleObject_Close(ole_obj, OLECLOSE_NOSAVE);
1664             IOleObject_SetClientSite(ole_obj, NULL);
1665             IOleObject_Release(ole_obj);
1666         }
1667     }
1668
1669     if(host->sink) {
1670         IConnectionPointContainer *cp_container;
1671         IConnectionPoint *cp;
1672
1673         assert(host->plugin_unk != NULL);
1674
1675         hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IConnectionPointContainer, (void**)&cp_container);
1676         if(SUCCEEDED(hres)) {
1677             hres = IConnectionPointContainer_FindConnectionPoint(cp_container, &host->sink->iid, &cp);
1678             IConnectionPointContainer_Release(cp_container);
1679             if(SUCCEEDED(hres)) {
1680                 IConnectionPoint_Unadvise(cp, host->sink->cookie);
1681                 IConnectionPoint_Release(cp);
1682             }
1683         }
1684
1685         host->sink->host = NULL;
1686         IDispatch_Release(&host->sink->IDispatch_iface);
1687         host->sink = NULL;
1688     }
1689
1690     if(host->element) {
1691         host->element->plugin_host = NULL;
1692         host->element = NULL;
1693     }
1694
1695     list_remove(&host->entry);
1696     list_init(&host->entry);
1697     host->doc = NULL;
1698 }
1699
1700 HRESULT create_plugin_host(HTMLDocumentNode *doc, nsIDOMElement *nselem, IUnknown *unk, const CLSID *clsid, PluginHost **ret)
1701 {
1702     PluginHost *host;
1703     HRESULT hres;
1704
1705     host = heap_alloc_zero(sizeof(*host));
1706     if(!host)
1707         return E_OUTOFMEMORY;
1708
1709     host->IOleClientSite_iface.lpVtbl      = &OleClientSiteVtbl;
1710     host->IAdviseSinkEx_iface.lpVtbl       = &AdviseSinkExVtbl;
1711     host->IPropertyNotifySink_iface.lpVtbl = &PropertyNotifySinkVtbl;
1712     host->IDispatch_iface.lpVtbl           = &DispatchVtbl;
1713     host->IOleInPlaceSiteEx_iface.lpVtbl   = &OleInPlaceSiteExVtbl;
1714     host->IOleControlSite_iface.lpVtbl     = &OleControlSiteVtbl;
1715     host->IBindHost_iface.lpVtbl           = &BindHostVtbl;
1716     host->IServiceProvider_iface.lpVtbl    = &ServiceProviderVtbl;
1717
1718     host->ref = 1;
1719
1720     hres = assoc_element(host, doc, nselem);
1721     if(FAILED(hres)) {
1722         heap_free(host);
1723         return hres;
1724     }
1725
1726     IUnknown_AddRef(unk);
1727     host->plugin_unk = unk;
1728     host->clsid = *clsid;
1729
1730     host->doc = doc;
1731     list_add_tail(&doc->plugin_hosts, &host->entry);
1732
1733     *ret = host;
1734     return S_OK;
1735 }