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
 489     sink_entry_t *handlers;
 490     DWORD handlers_cnt;
 491     DWORD handlers_size;
 492 };
 493
 494 static sink_entry_t *find_sink_entry(PHEventSink *sink, DISPID id)
 495 {
 496     sink_entry_t *iter;
 497
 498     for(iter = sink->handlers; iter < sink->handlers+sink->handlers_cnt; iter++) {
 499         if(iter->id == id)
 500             return iter;
 501     }
 502
 503     return NULL;
 504 }
 505
 506 static void add_sink_handler(PHEventSink *sink, DISPID id, IDispatch *disp)
 507 {
 508     sink_entry_t *entry = find_sink_entry(sink, id);
 509
 510     if(entry) {
 511         if(entry->disp)
 512             IDispatch_Release(entry->disp);
 513     }else {
 514         if(!sink->handlers_size) {
 515             sink->handlers = heap_alloc(4*sizeof(*sink->handlers));
 516             if(!sink->handlers)
 517                 return;
 518             sink->handlers_size = 4;
 519         }else if(sink->handlers_cnt == sink->handlers_size) {
 520             sink_entry_t *new_handlers;
 521
 522             new_handlers = heap_realloc(sink->handlers, 2*sink->handlers_size*sizeof(*sink->handlers));
 523             if(!new_handlers)
 524                 return;
 525             sink->handlers = new_handlers;
 526             sink->handlers_size *= 2;
 527         }
 528         entry = sink->handlers + sink->handlers_cnt++;
 529         entry->id = id;
 530     }
 531
 532     IDispatch_AddRef(disp);
 533     entry->disp = disp;
 534 }
 535
 536 static inline PHEventSink *PHEventSink_from_IDispatch(IDispatch *iface)
 537 {
 538     return CONTAINING_RECORD(iface, PHEventSink, IDispatch_iface);
 539 }
 540
 541 static HRESULT WINAPI PHEventSink_QueryInterface(IDispatch *iface, REFIID riid, void **ppv)
 542 {
 543     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 544
 545     if(IsEqualGUID(riid, &IID_IUnknown)) {
 546         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 547         *ppv = &This->IDispatch_iface;
 548     }else if(IsEqualGUID(riid, &IID_IDispatch)) {
 549         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 550         *ppv = &This->IDispatch_iface;
 551     }else {
 552         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 553         *ppv = NULL;
 554         return E_NOINTERFACE;
 555     }
 556
 557     IUnknown_AddRef((IUnknown*)*ppv);
 558     return S_OK;
 559 }
 560
 561 static ULONG WINAPI PHEventSink_AddRef(IDispatch *iface)
 562 {
 563     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 564     LONG ref = InterlockedIncrement(&This->ref);
 565
 566     TRACE("(%p)\n", This);
 567
 568     return ref;
 569 }
 570
 571 static ULONG WINAPI PHEventSink_Release(IDispatch *iface)
 572 {
 573     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 574     LONG ref = InterlockedDecrement(&This->ref);
 575
 576     TRACE("(%p)\n", This);
 577
 578     if(!ref) {
 579         unsigned i;
 580
 581         assert(!This->host);
 582
 583         for(i=0; i < This->handlers_cnt; i++) {
 584             if(This->handlers[i].disp)
 585                 IDispatch_Release(This->handlers[i].disp);
 586         }
 587         heap_free(This->handlers);
 588         heap_free(This);
 589     }
 590
 591     return ref;
 592 }
 593
 594 static HRESULT WINAPI PHEventSink_GetTypeInfoCount(IDispatch *iface, UINT *pctinfo)
 595 {
 596     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 597     FIXME("(%p)->(%p)\n", This, pctinfo);
 598     return E_NOTIMPL;
 599 }
 600
 601 static HRESULT WINAPI PHEventSink_GetTypeInfo(IDispatch *iface, UINT iTInfo,
 602         LCID lcid, ITypeInfo **ppTInfo)
 603 {
 604     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 605     FIXME("(%p)->(%d %d %p)\n", This, iTInfo, lcid, ppTInfo);
 606     return E_NOTIMPL;
 607 }
 608
 609 static HRESULT WINAPI PHEventSink_GetIDsOfNames(IDispatch *iface, REFIID riid, LPOLESTR *rgszNames,
 610         UINT cNames, LCID lcid, DISPID *rgDispId)
 611 {
 612     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 613     FIXME("(%p)->(%s %p %u %d %p)\n", This, debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
 614     return E_NOTIMPL;
 615 }
 616
 617 static HRESULT WINAPI PHEventSink_Invoke(IDispatch *iface, DISPID dispIdMember, REFIID riid, LCID lcid,
 618         WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 619 {
 620     PHEventSink *This = PHEventSink_from_IDispatch(iface);
 621     IDispatchEx *dispex;
 622     sink_entry_t *entry;
 623     HRESULT hres;
 624
 625     TRACE("(%p)->(%d %s %d %x %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid), lcid, wFlags,
 626           pDispParams, pVarResult, pExcepInfo, puArgErr);
 627
 628     if(!This->host) {
 629         WARN("No host\n");
 630         return E_UNEXPECTED;
 631     }
 632
 633     entry = find_sink_entry(This, dispIdMember);
 634     if(!entry || !entry->disp) {
 635         WARN("No handler %d\n", dispIdMember);
 636         if(pVarResult)
 637             V_VT(pVarResult) = VT_EMPTY;
 638         return S_OK;
 639     }
 640
 641     hres = IDispatch_QueryInterface(entry->disp, &IID_IDispatchEx, (void**)&dispex);
 642
 643     TRACE("(%p) %d >>>\n", This, entry->id);
 644     if(SUCCEEDED(hres)) {
 645         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, NULL);
 646         IDispatchEx_Release(dispex);
 647     }else {
 648         hres = IDispatch_Invoke(entry->disp, DISPID_VALUE, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 649     }
 650     if(SUCCEEDED(hres))
 651         TRACE("(%p) %d <<<\n", This, entry->id);
 652     else
 653         WARN("(%p) %d <<< %08x\n", This, entry->id, hres);
 654     return hres;
 655 }
 656
 657 static const IDispatchVtbl PHCPDispatchVtbl = {
 658     PHEventSink_QueryInterface,
 659     PHEventSink_AddRef,
 660     PHEventSink_Release,
 661     PHEventSink_GetTypeInfoCount,
 662     PHEventSink_GetTypeInfo,
 663     PHEventSink_GetIDsOfNames,
 664     PHEventSink_Invoke
 665 };
 666
 667 static PHEventSink *create_event_sink(PluginHost *plugin_host, ITypeInfo *typeinfo)
 668 {
 669     IConnectionPointContainer *cp_container;
 670     PHEventSink *ret;
 671     IConnectionPoint *cp;
 672     TYPEATTR *typeattr;
 673     GUID guid;
 674     HRESULT hres;
 675
 676     hres = ITypeInfo_GetTypeAttr(typeinfo, &typeattr);
 677     if(FAILED(hres))
 678         return NULL;
 679
 680     guid = typeattr->guid;
 681     ITypeInfo_ReleaseTypeAttr(typeinfo, typeattr);
 682
 683     hres = IUnknown_QueryInterface(plugin_host->plugin_unk, &IID_IConnectionPointContainer, (void**)&cp_container);
 684     if(FAILED(hres)) {
 685         WARN("Could not get IConnectionPointContainer iface: %08x\n", hres);
 686         return NULL;
 687     }
 688
 689     hres = IConnectionPointContainer_FindConnectionPoint(cp_container, &guid, &cp);
 690     IConnectionPointContainer_Release(cp_container);
 691     if(FAILED(hres)) {
 692         WARN("Could not find %s connection point\n", debugstr_guid(&guid));
 693         return NULL;
 694     }
 695
 696     ret = heap_alloc_zero(sizeof(*ret));
 697     if(ret) {
 698         ret->IDispatch_iface.lpVtbl = &PHCPDispatchVtbl;
 699         ret->ref = 1;
 700         ret->host = plugin_host;
 701         ret->iid = guid;
 702
 703         ITypeInfo_AddRef(typeinfo);
 704         ret->typeinfo = typeinfo;
 705
 706         hres = IConnectionPoint_Advise(cp, (IUnknown*)&ret->IDispatch_iface, &ret->cookie);
 707     }else {
 708         hres = E_OUTOFMEMORY;
 709     }
 710
 711     IConnectionPoint_Release(cp);
 712     if(FAILED(hres)) {
 713         WARN("Advise failed: %08x\n", hres);
 714         return NULL;
 715     }
 716
 717     return ret;
 718 }
 719
 720 static ITypeInfo *get_eventiface_info(HTMLPluginContainer *plugin_container, ITypeInfo *class_info)
 721 {
 722     int impl_types, i, impl_flags;
 723     ITypeInfo *ret = NULL;
 724     TYPEATTR *typeattr;
 725     HREFTYPE ref;
 726     HRESULT hres;
 727
 728     hres = ITypeInfo_GetTypeAttr(class_info, &typeattr);
 729     if(FAILED(hres))
 730         return NULL;
 731
 732     if(typeattr->typekind != TKIND_COCLASS) {
 733         WARN("not coclass\n");
 734         ITypeInfo_ReleaseTypeAttr(class_info, typeattr);
 735         return NULL;
 736     }
 737
 738     impl_types = typeattr->cImplTypes;
 739     ITypeInfo_ReleaseTypeAttr(class_info, typeattr);
 740
 741     for(i=0; i<impl_types; i++) {
 742         hres = ITypeInfo_GetImplTypeFlags(class_info, i, &impl_flags);
 743         if(FAILED(hres))
 744             continue;
 745
 746         if((impl_flags & IMPLTYPEFLAG_FSOURCE)) {
 747             if(!(impl_flags & IMPLTYPEFLAG_FDEFAULT)) {
 748                 FIXME("Handle non-default source iface\n");
 749                 continue;
 750             }
 751
 752             hres = ITypeInfo_GetRefTypeOfImplType(class_info, i, &ref);
 753             if(FAILED(hres))
 754                 continue;
 755
 756             hres = ITypeInfo_GetRefTypeInfo(class_info, ref, &ret);
 757             if(FAILED(hres))
 758                 ret = NULL;
 759         }
 760     }
 761
 762     return ret;
 763 }
 764
 765 void bind_activex_event(HTMLDocumentNode *doc, HTMLPluginContainer *plugin_container, WCHAR *event, IDispatch *disp)
 766 {
 767     PluginHost *plugin_host = plugin_container->plugin_host;
 768     ITypeInfo *class_info, *source_info;
 769     DISPID id;
 770     HRESULT hres;
 771
 772     TRACE("(%p %p %s %p)\n", doc, plugin_host, debugstr_w(event), disp);
 773
 774     if(!plugin_host || !plugin_host->plugin_unk) {
 775         WARN("detached element %p\n", plugin_host);
 776         return;
 777     }
 778
 779     if(plugin_host->sink) {
 780         source_info = plugin_host->sink->typeinfo;
 781         ITypeInfo_AddRef(source_info);
 782     }else {
 783         IProvideClassInfo *provide_ci;
 784
 785         hres = IUnknown_QueryInterface(plugin_host->plugin_unk, &IID_IProvideClassInfo, (void**)&provide_ci);
 786         if(FAILED(hres)) {
 787             FIXME("No IProvideClassInfo, try GetTypeInfo?\n");
 788             return;
 789         }
 790
 791         hres = IProvideClassInfo_GetClassInfo(provide_ci, &class_info);
 792         IProvideClassInfo_Release(provide_ci);
 793         if(FAILED(hres) || !class_info) {
 794             WARN("GetClassInfo failed: %08x\n", hres);
 795             return;
 796         }
 797
 798         source_info = get_eventiface_info(plugin_container, class_info);
 799         ITypeInfo_Release(class_info);
 800         if(!source_info)
 801             return;
 802     }
 803
 804     hres = ITypeInfo_GetIDsOfNames(source_info, &event, 1, &id);
 805     if(FAILED(hres))
 806         WARN("Could not get disp id: %08x\n", hres);
 807     else if(!plugin_host->sink)
 808         plugin_host->sink = create_event_sink(plugin_host, source_info);
 809
 810     ITypeInfo_Release(source_info);
 811     if(FAILED(hres) || !plugin_host->sink)
 812         return;
 813
 814     add_sink_handler(plugin_host->sink, id, disp);
 815 }
 816
 817 static inline PluginHost *impl_from_IOleClientSite(IOleClientSite *iface)
 818 {
 819     return CONTAINING_RECORD(iface, PluginHost, IOleClientSite_iface);
 820 }
 821
 822 static HRESULT WINAPI PHClientSite_QueryInterface(IOleClientSite *iface, REFIID riid, void **ppv)
 823 {
 824     PluginHost *This = impl_from_IOleClientSite(iface);
 825
 826     if(IsEqualGUID(&IID_IUnknown, riid)) {
 827         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 828         *ppv = &This->IOleClientSite_iface;
 829     }else if(IsEqualGUID(&IID_IOleClientSite, riid)) {
 830         TRACE("(%p)->(IID_IOleClientSite %p)\n", This, ppv);
 831         *ppv = &This->IOleClientSite_iface;
 832     }else if(IsEqualGUID(&IID_IAdviseSink, riid)) {
 833         TRACE("(%p)->(IID_IAdviseSink %p)\n", This, ppv);
 834         *ppv = &This->IAdviseSinkEx_iface;
 835     }else if(IsEqualGUID(&IID_IAdviseSinkEx, riid)) {
 836         TRACE("(%p)->(IID_IAdviseSinkEx %p)\n", This, ppv);
 837         *ppv = &This->IAdviseSinkEx_iface;
 838     }else if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) {
 839         TRACE("(%p)->(IID_IPropertyNotifySink %p)\n", This, ppv);
 840         *ppv = &This->IPropertyNotifySink_iface;
 841     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 842         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 843         *ppv = &This->IDispatch_iface;
 844     }else if(IsEqualGUID(&IID_IOleWindow, riid)) {
 845         TRACE("(%p)->(IID_IOleWindow %p)\n", This, ppv);
 846         *ppv = &This->IOleInPlaceSiteEx_iface;
 847     }else if(IsEqualGUID(&IID_IOleInPlaceSite, riid)) {
 848         TRACE("(%p)->(IID_IOleInPlaceSite %p)\n", This, ppv);
 849         *ppv = &This->IOleInPlaceSiteEx_iface;
 850     }else if(IsEqualGUID(&IID_IOleInPlaceSiteEx, riid)) {
 851         TRACE("(%p)->(IID_IOleInPlaceSiteEx %p)\n", This, ppv);
 852         *ppv = &This->IOleInPlaceSiteEx_iface;
 853     }else if(IsEqualGUID(&IID_IOleControlSite, riid)) {
 854         TRACE("(%p)->(IID_IOleControlSite %p)\n", This, ppv);
 855         *ppv = &This->IOleControlSite_iface;
 856     }else if(IsEqualGUID(&IID_IBindHost, riid)) {
 857         TRACE("(%p)->(IID_IBindHost %p)\n", This, ppv);
 858         *ppv = &This->IBindHost_iface;
 859     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 860         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 861         *ppv = &This->IServiceProvider_iface;
 862     }else {
 863         WARN("Unsupported interface %s\n", debugstr_guid(riid));
 864         *ppv = NULL;
 865         return E_NOINTERFACE;
 866     }
 867
 868     IUnknown_AddRef((IUnknown*)*ppv);
 869     return S_OK;
 870 }
 871
 872 static ULONG WINAPI PHClientSite_AddRef(IOleClientSite *iface)
 873 {
 874     PluginHost *This = impl_from_IOleClientSite(iface);
 875     LONG ref = InterlockedIncrement(&This->ref);
 876
 877     TRACE("(%p) ref=%d\n", This, ref);
 878
 879     return ref;
 880 }
 881
 882 static ULONG WINAPI PHClientSite_Release(IOleClientSite *iface)
 883 {
 884     PluginHost *This = impl_from_IOleClientSite(iface);
 885     LONG ref = InterlockedDecrement(&This->ref);
 886
 887     TRACE("(%p) ref=%d\n", This, ref);
 888
 889     if(!ref) {
 890         if(This->disp)
 891             IDispatch_Release(This->disp);
 892         if(This->ip_object)
 893             IOleInPlaceObject_Release(This->ip_object);
 894         if(This->sink) {
 895             This->sink->host = NULL;
 896             IDispatch_Release(&This->sink->IDispatch_iface);
 897             This->sink = NULL;
 898         }
 899         list_remove(&This->entry);
 900         if(This->element)
 901             This->element->plugin_host = NULL;
 902         if(This->plugin_unk)
 903             IUnknown_Release(This->plugin_unk);
 904         heap_free(This);
 905     }
 906
 907     return ref;
 908 }
 909
 910 static HRESULT WINAPI PHClientSite_SaveObject(IOleClientSite *iface)
 911 {
 912     PluginHost *This = impl_from_IOleClientSite(iface);
 913     FIXME("(%p)\n", This);
 914     return E_NOTIMPL;
 915 }
 916
 917 static HRESULT WINAPI PHClientSite_GetMoniker(IOleClientSite *iface, DWORD dwAssign,
 918         DWORD dwWhichMoniker, IMoniker **ppmk)
 919 {
 920     PluginHost *This = impl_from_IOleClientSite(iface);
 921
 922     TRACE("(%p)->(%d %d %p)\n", This, dwAssign, dwWhichMoniker, ppmk);
 923
 924     switch(dwWhichMoniker) {
 925     case OLEWHICHMK_CONTAINER:
 926         if(!This->doc || !This->doc->window || !This->doc->window->mon) {
 927             FIXME("no moniker\n");
 928             return E_UNEXPECTED;
 929         }
 930
 931         *ppmk = This->doc->window->mon;
 932         IMoniker_AddRef(*ppmk);
 933         break;
 934     default:
 935         FIXME("which %d\n", dwWhichMoniker);
 936         return E_NOTIMPL;
 937     }
 938
 939     return S_OK;
 940 }
 941
 942 static HRESULT WINAPI PHClientSite_GetContainer(IOleClientSite *iface, IOleContainer **ppContainer)
 943 {
 944     PluginHost *This = impl_from_IOleClientSite(iface);
 945
 946     TRACE("(%p)->(%p)\n", This, ppContainer);
 947
 948     if(!This->doc) {
 949         ERR("Called on detached object\n");
 950         return E_UNEXPECTED;
 951     }
 952
 953     *ppContainer = &This->doc->basedoc.IOleContainer_iface;
 954     IOleContainer_AddRef(*ppContainer);
 955     return S_OK;
 956 }
 957
 958 static HRESULT WINAPI PHClientSite_ShowObject(IOleClientSite *iface)
 959 {
 960     PluginHost *This = impl_from_IOleClientSite(iface);
 961
 962     TRACE("(%p)\n", This);
 963
 964     return S_OK;
 965 }
 966
 967 static HRESULT WINAPI PHClientSite_OnShowWindow(IOleClientSite *iface, BOOL fShow)
 968 {
 969     PluginHost *This = impl_from_IOleClientSite(iface);
 970     FIXME("(%p)->(%x)\n", This, fShow);
 971     return E_NOTIMPL;
 972 }
 973
 974 static HRESULT WINAPI PHClientSite_RequestNewObjectLayout(IOleClientSite *iface)
 975 {
 976     PluginHost *This = impl_from_IOleClientSite(iface);
 977     FIXME("(%p)\n", This);
 978     return E_NOTIMPL;
 979 }
 980
 981 static const IOleClientSiteVtbl OleClientSiteVtbl = {
 982     PHClientSite_QueryInterface,
 983     PHClientSite_AddRef,
 984     PHClientSite_Release,
 985     PHClientSite_SaveObject,
 986     PHClientSite_GetMoniker,
 987     PHClientSite_GetContainer,
 988     PHClientSite_ShowObject,
 989     PHClientSite_OnShowWindow,
 990     PHClientSite_RequestNewObjectLayout
 991 };
 992
 993 static inline PluginHost *impl_from_IAdviseSinkEx(IAdviseSinkEx *iface)
 994 {
 995     return CONTAINING_RECORD(iface, PluginHost, IAdviseSinkEx_iface);
 996 }
 997
 998 static HRESULT WINAPI PHAdviseSinkEx_QueryInterface(IAdviseSinkEx *iface, REFIID riid, void **ppv)
 999 {
1000     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1001     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1002 }
1003
1004 static ULONG WINAPI PHAdviseSinkEx_AddRef(IAdviseSinkEx *iface)
1005 {
1006     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1007     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1008 }
1009
1010 static ULONG WINAPI PHAdviseSinkEx_Release(IAdviseSinkEx *iface)
1011 {
1012     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1013     return IOleClientSite_Release(&This->IOleClientSite_iface);
1014 }
1015
1016 static void WINAPI PHAdviseSinkEx_OnDataChange(IAdviseSinkEx *iface, FORMATETC *pFormatetc, STGMEDIUM *pStgMedium)
1017 {
1018     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1019     FIXME("(%p)->(%p %p)\n", This, pFormatetc, pStgMedium);
1020 }
1021
1022 static void WINAPI PHAdviseSinkEx_OnViewChange(IAdviseSinkEx *iface, DWORD dwAspect, LONG lindex)
1023 {
1024     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1025     FIXME("(%p)->(%d %d)\n", This, dwAspect, lindex);
1026 }
1027
1028 static void WINAPI PHAdviseSinkEx_OnRename(IAdviseSinkEx *iface, IMoniker *pmk)
1029 {
1030     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1031     FIXME("(%p)->(%p)\n", This, pmk);
1032 }
1033
1034 static void WINAPI PHAdviseSinkEx_OnSave(IAdviseSinkEx *iface)
1035 {
1036     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1037     FIXME("(%p)\n", This);
1038 }
1039
1040 static void WINAPI PHAdviseSinkEx_OnClose(IAdviseSinkEx *iface)
1041 {
1042     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1043     FIXME("(%p)\n", This);
1044 }
1045
1046 static void WINAPI PHAdviseSinkEx_OnViewStatusChange(IAdviseSinkEx *iface, DWORD dwViewStatus)
1047 {
1048     PluginHost *This = impl_from_IAdviseSinkEx(iface);
1049     FIXME("(%p)->(%d)\n", This, dwViewStatus);
1050 }
1051
1052 static const IAdviseSinkExVtbl AdviseSinkExVtbl = {
1053     PHAdviseSinkEx_QueryInterface,
1054     PHAdviseSinkEx_AddRef,
1055     PHAdviseSinkEx_Release,
1056     PHAdviseSinkEx_OnDataChange,
1057     PHAdviseSinkEx_OnViewChange,
1058     PHAdviseSinkEx_OnRename,
1059     PHAdviseSinkEx_OnSave,
1060     PHAdviseSinkEx_OnClose,
1061     PHAdviseSinkEx_OnViewStatusChange
1062 };
1063
1064 static inline PluginHost *impl_from_IPropertyNotifySink(IPropertyNotifySink *iface)
1065 {
1066     return CONTAINING_RECORD(iface, PluginHost, IPropertyNotifySink_iface);
1067 }
1068
1069 static HRESULT WINAPI PHPropertyNotifySink_QueryInterface(IPropertyNotifySink *iface, REFIID riid, void **ppv)
1070 {
1071     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1072     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1073 }
1074
1075 static ULONG WINAPI PHPropertyNotifySink_AddRef(IPropertyNotifySink *iface)
1076 {
1077     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1078     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1079 }
1080
1081 static ULONG WINAPI PHPropertyNotifySink_Release(IPropertyNotifySink *iface)
1082 {
1083     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1084     return IOleClientSite_Release(&This->IOleClientSite_iface);
1085 }
1086
1087 static HRESULT WINAPI PHPropertyNotifySink_OnChanged(IPropertyNotifySink *iface, DISPID dispID)
1088 {
1089     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1090
1091     TRACE("(%p)->(%d)\n", This, dispID);
1092
1093     switch(dispID) {
1094     case DISPID_READYSTATE:
1095         update_readystate(This);
1096         break;
1097     default :
1098         FIXME("Unimplemented dispID %d\n", dispID);
1099         return E_NOTIMPL;
1100     }
1101
1102     return S_OK;
1103 }
1104
1105 static HRESULT WINAPI PHPropertyNotifySink_OnRequestEdit(IPropertyNotifySink *iface, DISPID dispID)
1106 {
1107     PluginHost *This = impl_from_IPropertyNotifySink(iface);
1108     FIXME("(%p)->(%d)\n", This, dispID);
1109     return E_NOTIMPL;
1110 }
1111
1112 static const IPropertyNotifySinkVtbl PropertyNotifySinkVtbl = {
1113     PHPropertyNotifySink_QueryInterface,
1114     PHPropertyNotifySink_AddRef,
1115     PHPropertyNotifySink_Release,
1116     PHPropertyNotifySink_OnChanged,
1117     PHPropertyNotifySink_OnRequestEdit
1118 };
1119
1120 static inline PluginHost *impl_from_IDispatch(IDispatch *iface)
1121 {
1122     return CONTAINING_RECORD(iface, PluginHost, IDispatch_iface);
1123 }
1124
1125 static HRESULT WINAPI PHDispatch_QueryInterface(IDispatch *iface, REFIID riid, void **ppv)
1126 {
1127     PluginHost *This = impl_from_IDispatch(iface);
1128     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1129 }
1130
1131 static ULONG WINAPI PHDispatch_AddRef(IDispatch *iface)
1132 {
1133     PluginHost *This = impl_from_IDispatch(iface);
1134     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1135 }
1136
1137 static ULONG WINAPI PHDispatch_Release(IDispatch *iface)
1138 {
1139     PluginHost *This = impl_from_IDispatch(iface);
1140     return IOleClientSite_Release(&This->IOleClientSite_iface);
1141 }
1142
1143 static HRESULT WINAPI PHDispatch_GetTypeInfoCount(IDispatch *iface, UINT *pctinfo)
1144 {
1145     PluginHost *This = impl_from_IDispatch(iface);
1146     FIXME("(%p)->(%p)\n", This, pctinfo);
1147     return E_NOTIMPL;
1148 }
1149
1150 static HRESULT WINAPI PHDispatch_GetTypeInfo(IDispatch *iface, UINT iTInfo,
1151         LCID lcid, ITypeInfo **ppTInfo)
1152 {
1153     PluginHost *This = impl_from_IDispatch(iface);
1154     FIXME("(%p)->(%d %d %p)\n", This, iTInfo, lcid, ppTInfo);
1155     return E_NOTIMPL;
1156 }
1157
1158 static HRESULT WINAPI PHDispatch_GetIDsOfNames(IDispatch *iface, REFIID riid,
1159         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
1160 {
1161     PluginHost *This = impl_from_IDispatch(iface);
1162     FIXME("(%p)->(%s %p %d %d %p)\n", This, debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
1163     return E_NOTIMPL;
1164 }
1165
1166 static HRESULT WINAPI PHDispatch_Invoke(IDispatch *iface, DISPID dispid,  REFIID riid, LCID lcid,
1167         WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1168 {
1169     PluginHost *This = impl_from_IDispatch(iface);
1170     FIXME("(%p)->(%d %x %p %p)\n", This, dispid, wFlags, pDispParams, pVarResult);
1171     return E_NOTIMPL;
1172 }
1173
1174 static const IDispatchVtbl DispatchVtbl = {
1175     PHDispatch_QueryInterface,
1176     PHDispatch_AddRef,
1177     PHDispatch_Release,
1178     PHDispatch_GetTypeInfoCount,
1179     PHDispatch_GetTypeInfo,
1180     PHDispatch_GetIDsOfNames,
1181     PHDispatch_Invoke
1182 };
1183
1184 static inline PluginHost *impl_from_IOleInPlaceSiteEx(IOleInPlaceSiteEx *iface)
1185 {
1186     return CONTAINING_RECORD(iface, PluginHost, IOleInPlaceSiteEx_iface);
1187 }
1188
1189 static HRESULT WINAPI PHInPlaceSite_QueryInterface(IOleInPlaceSiteEx *iface, REFIID riid, void **ppv)
1190 {
1191     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1192     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1193 }
1194
1195 static ULONG WINAPI PHInPlaceSite_AddRef(IOleInPlaceSiteEx *iface)
1196 {
1197     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1198     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1199 }
1200
1201 static ULONG WINAPI PHInPlaceSite_Release(IOleInPlaceSiteEx *iface)
1202 {
1203     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1204     return IOleClientSite_Release(&This->IOleClientSite_iface);
1205 }
1206
1207 static HRESULT WINAPI PHInPlaceSite_GetWindow(IOleInPlaceSiteEx *iface, HWND *phwnd)
1208 {
1209     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1210
1211     TRACE("(%p)->(%p)\n", This, phwnd);
1212
1213     *phwnd = This->hwnd;
1214     return S_OK;
1215 }
1216
1217 static HRESULT WINAPI PHInPlaceSite_ContextSensitiveHelp(IOleInPlaceSiteEx *iface, BOOL fEnterMode)
1218 {
1219     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1220     FIXME("(%p)->(%x)\n", This, fEnterMode);
1221     return E_NOTIMPL;
1222 }
1223
1224 static HRESULT WINAPI PHInPlaceSite_CanInPlaceActivate(IOleInPlaceSiteEx *iface)
1225 {
1226     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1227
1228     TRACE("(%p)\n", This);
1229
1230     return S_OK;
1231 }
1232
1233 static HRESULT WINAPI PHInPlaceSite_OnInPlaceActivate(IOleInPlaceSiteEx *iface)
1234 {
1235     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1236     FIXME("(%p)\n", This);
1237     return E_NOTIMPL;
1238 }
1239
1240 static HRESULT WINAPI PHInPlaceSite_OnUIActivate(IOleInPlaceSiteEx *iface)
1241 {
1242     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1243
1244     TRACE("(%p)\n", This);
1245
1246     if(!This->plugin_unk) {
1247         ERR("No plugin object\n");
1248         return E_UNEXPECTED;
1249     }
1250
1251     This->ui_active = TRUE;
1252
1253     notif_enabled(This);
1254     return S_OK;
1255 }
1256
1257 static HRESULT WINAPI PHInPlaceSite_GetWindowContext(IOleInPlaceSiteEx *iface,
1258         IOleInPlaceFrame **ppFrame, IOleInPlaceUIWindow **ppDoc, RECT *lprcPosRect,
1259         RECT *lprcClipRect, OLEINPLACEFRAMEINFO *frame_info)
1260 {
1261     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1262     IOleInPlaceUIWindow *ip_window;
1263     IOleInPlaceFrame *ip_frame;
1264     RECT pr, cr;
1265     HRESULT hres;
1266
1267     TRACE("(%p)->(%p %p %p %p %p)\n", This, ppFrame, ppDoc, lprcPosRect, lprcClipRect, frame_info);
1268
1269     if(!This->doc || !This->doc->basedoc.doc_obj || !This->doc->basedoc.doc_obj->ipsite) {
1270         FIXME("No ipsite\n");
1271         return E_UNEXPECTED;
1272     }
1273
1274     hres = IOleInPlaceSite_GetWindowContext(This->doc->basedoc.doc_obj->ipsite, &ip_frame, &ip_window, &pr, &cr, frame_info);
1275     if(FAILED(hres)) {
1276         WARN("GetWindowContext failed: %08x\n", hres);
1277         return hres;
1278     }
1279
1280     if(ip_window)
1281         IOleInPlaceUIWindow_Release(ip_window);
1282     if(ip_frame)
1283         IOleInPlaceFrame_Release(ip_frame);
1284
1285     hres = create_ip_frame(&ip_frame);
1286     if(FAILED(hres))
1287         return hres;
1288
1289     hres = create_ip_window(ppDoc);
1290     if(FAILED(hres))
1291         return hres;
1292
1293     *ppFrame = ip_frame;
1294     *lprcPosRect = This->rect;
1295     *lprcClipRect = This->rect;
1296     return S_OK;
1297 }
1298
1299 static HRESULT WINAPI PHInPlaceSite_Scroll(IOleInPlaceSiteEx *iface, SIZE scrollExtent)
1300 {
1301     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1302     FIXME("(%p)->({%d %d})\n", This, scrollExtent.cx, scrollExtent.cy);
1303     return E_NOTIMPL;
1304 }
1305
1306 static HRESULT WINAPI PHInPlaceSite_OnUIDeactivate(IOleInPlaceSiteEx *iface, BOOL fUndoable)
1307 {
1308     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1309     FIXME("(%p)->(%x)\n", This, fUndoable);
1310     return E_NOTIMPL;
1311 }
1312
1313 static HRESULT WINAPI PHInPlaceSite_OnInPlaceDeactivate(IOleInPlaceSiteEx *iface)
1314 {
1315     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1316
1317     TRACE("(%p)\n", This);
1318
1319     if(This->ip_object) {
1320         IOleInPlaceObject_Release(This->ip_object);
1321         This->ip_object = NULL;
1322     }
1323
1324     return S_OK;
1325 }
1326
1327 static HRESULT WINAPI PHInPlaceSite_DiscardUndoState(IOleInPlaceSiteEx *iface)
1328 {
1329     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1330     FIXME("(%p)\n", This);
1331     return E_NOTIMPL;
1332 }
1333
1334 static HRESULT WINAPI PHInPlaceSite_DeactivateAndUndo(IOleInPlaceSiteEx *iface)
1335 {
1336     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1337     FIXME("(%p)\n", This);
1338     return E_NOTIMPL;
1339 }
1340
1341 static HRESULT WINAPI PHInPlaceSite_OnPosRectChange(IOleInPlaceSiteEx *iface, LPCRECT lprcPosRect)
1342 {
1343     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1344     FIXME("(%p)->(%p)\n", This, lprcPosRect);
1345     return E_NOTIMPL;
1346 }
1347
1348 static HRESULT WINAPI PHInPlaceSiteEx_OnInPlaceActivateEx(IOleInPlaceSiteEx *iface, BOOL *pfNoRedraw, DWORD dwFlags)
1349 {
1350     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1351     HWND hwnd;
1352     HRESULT hres;
1353
1354     TRACE("(%p)->(%p %x)\n", This, pfNoRedraw, dwFlags);
1355
1356     if(This->ip_object)
1357         return S_OK;
1358
1359     hres = IUnknown_QueryInterface(This->plugin_unk, &IID_IOleInPlaceObject, (void**)&This->ip_object);
1360     if(FAILED(hres))
1361         return hres;
1362
1363     hres = IOleInPlaceObject_GetWindow(This->ip_object, &hwnd);
1364     if(SUCCEEDED(hres))
1365         FIXME("Use hwnd %p\n", hwnd);
1366
1367     *pfNoRedraw = FALSE;
1368     return S_OK;
1369 }
1370
1371 static HRESULT WINAPI PHInPlaceSiteEx_OnInPlaceDeactivateEx(IOleInPlaceSiteEx *iface, BOOL fNoRedraw)
1372 {
1373     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1374     FIXME("(%p)->(%x)\n", This, fNoRedraw);
1375     return E_NOTIMPL;
1376 }
1377
1378 static HRESULT WINAPI PHInPlaceSiteEx_RequestUIActivate(IOleInPlaceSiteEx *iface)
1379 {
1380     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
1381     FIXME("(%p)\n", This);
1382     return E_NOTIMPL;
1383 }
1384
1385 static const IOleInPlaceSiteExVtbl OleInPlaceSiteExVtbl = {
1386     PHInPlaceSite_QueryInterface,
1387     PHInPlaceSite_AddRef,
1388     PHInPlaceSite_Release,
1389     PHInPlaceSite_GetWindow,
1390     PHInPlaceSite_ContextSensitiveHelp,
1391     PHInPlaceSite_CanInPlaceActivate,
1392     PHInPlaceSite_OnInPlaceActivate,
1393     PHInPlaceSite_OnUIActivate,
1394     PHInPlaceSite_GetWindowContext,
1395     PHInPlaceSite_Scroll,
1396     PHInPlaceSite_OnUIDeactivate,
1397     PHInPlaceSite_OnInPlaceDeactivate,
1398     PHInPlaceSite_DiscardUndoState,
1399     PHInPlaceSite_DeactivateAndUndo,
1400     PHInPlaceSite_OnPosRectChange,
1401     PHInPlaceSiteEx_OnInPlaceActivateEx,
1402     PHInPlaceSiteEx_OnInPlaceDeactivateEx,
1403     PHInPlaceSiteEx_RequestUIActivate
1404 };
1405
1406 static inline PluginHost *impl_from_IOleControlSite(IOleControlSite *iface)
1407 {
1408     return CONTAINING_RECORD(iface, PluginHost, IOleControlSite_iface);
1409 }
1410
1411 static HRESULT WINAPI PHControlSite_QueryInterface(IOleControlSite *iface, REFIID riid, void **ppv)
1412 {
1413     PluginHost *This = impl_from_IOleControlSite(iface);
1414     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1415 }
1416
1417 static ULONG WINAPI PHControlSite_AddRef(IOleControlSite *iface)
1418 {
1419     PluginHost *This = impl_from_IOleControlSite(iface);
1420     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1421 }
1422
1423 static ULONG WINAPI PHControlSite_Release(IOleControlSite *iface)
1424 {
1425     PluginHost *This = impl_from_IOleControlSite(iface);
1426     return IOleClientSite_Release(&This->IOleClientSite_iface);
1427 }
1428
1429 static HRESULT WINAPI PHControlSite_OnControlInfoChanged(IOleControlSite *iface)
1430 {
1431     PluginHost *This = impl_from_IOleControlSite(iface);
1432     FIXME("(%p)\n", This);
1433     return E_NOTIMPL;
1434 }
1435
1436 static HRESULT WINAPI PHControlSite_LockInPlaceActive(IOleControlSite *iface, BOOL fLock)
1437 {
1438     PluginHost *This = impl_from_IOleControlSite(iface);
1439     FIXME("(%p)->(%x)\n", This, fLock);
1440     return E_NOTIMPL;
1441 }
1442
1443 static HRESULT WINAPI PHControlSite_GetExtendedControl(IOleControlSite *iface, IDispatch **ppDisp)
1444 {
1445     PluginHost *This = impl_from_IOleControlSite(iface);
1446     FIXME("(%p)->(%p)\n", This, ppDisp);
1447     return E_NOTIMPL;
1448 }
1449
1450 static HRESULT WINAPI PHControlSite_TransformCoords(IOleControlSite *iface, POINTL *pPtlHimetric, POINTF *pPtfContainer, DWORD dwFlags)
1451 {
1452     PluginHost *This = impl_from_IOleControlSite(iface);
1453     FIXME("(%p)->(%p %p %x)\n", This, pPtlHimetric, pPtfContainer, dwFlags);
1454     return E_NOTIMPL;
1455 }
1456
1457 static HRESULT WINAPI PHControlSite_TranslateAccelerator(IOleControlSite *iface, MSG *pMsg, DWORD grfModifiers)
1458 {
1459     PluginHost *This = impl_from_IOleControlSite(iface);
1460     FIXME("(%p)->(%x)\n", This, grfModifiers);
1461     return E_NOTIMPL;
1462 }
1463
1464 static HRESULT WINAPI PHControlSite_OnFocus(IOleControlSite *iface, BOOL fGotFocus)
1465 {
1466     PluginHost *This = impl_from_IOleControlSite(iface);
1467     FIXME("(%p)->(%x)\n", This, fGotFocus);
1468     return E_NOTIMPL;
1469 }
1470
1471 static HRESULT WINAPI PHControlSite_ShowPropertyFrame(IOleControlSite *iface)
1472 {
1473     PluginHost *This = impl_from_IOleControlSite(iface);
1474     FIXME("(%p)\n", This);
1475     return E_NOTIMPL;
1476 }
1477
1478 static const IOleControlSiteVtbl OleControlSiteVtbl = {
1479     PHControlSite_QueryInterface,
1480     PHControlSite_AddRef,
1481     PHControlSite_Release,
1482     PHControlSite_OnControlInfoChanged,
1483     PHControlSite_LockInPlaceActive,
1484     PHControlSite_GetExtendedControl,
1485     PHControlSite_TransformCoords,
1486     PHControlSite_TranslateAccelerator,
1487     PHControlSite_OnFocus,
1488     PHControlSite_ShowPropertyFrame
1489 };
1490
1491 static inline PluginHost *impl_from_IBindHost(IBindHost *iface)
1492 {
1493     return CONTAINING_RECORD(iface, PluginHost, IBindHost_iface);
1494 }
1495
1496 static HRESULT WINAPI PHBindHost_QueryInterface(IBindHost *iface, REFIID riid, void **ppv)
1497 {
1498     PluginHost *This = impl_from_IBindHost(iface);
1499     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1500 }
1501
1502 static ULONG WINAPI PHBindHost_AddRef(IBindHost *iface)
1503 {
1504     PluginHost *This = impl_from_IBindHost(iface);
1505     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1506 }
1507
1508 static ULONG WINAPI PHBindHost_Release(IBindHost *iface)
1509 {
1510     PluginHost *This = impl_from_IBindHost(iface);
1511     return IOleClientSite_Release(&This->IOleClientSite_iface);
1512 }
1513
1514 static HRESULT WINAPI PHBindHost_CreateMoniker(IBindHost *iface, LPOLESTR szName, IBindCtx *pBC, IMoniker **ppmk, DWORD dwReserved)
1515 {
1516     PluginHost *This = impl_from_IBindHost(iface);
1517
1518     TRACE("(%p)->(%s %p %p %x)\n", This, debugstr_w(szName), pBC, ppmk, dwReserved);
1519
1520     if(!This->doc || !This->doc->window || !This->doc->window->mon) {
1521         FIXME("no moniker\n");
1522         return E_UNEXPECTED;
1523     }
1524
1525     return CreateURLMoniker(This->doc->window->mon, szName, ppmk);
1526 }
1527
1528 static HRESULT WINAPI PHBindHost_MonikerBindToStorage(IBindHost *iface, IMoniker *pMk, IBindCtx *pBC,
1529         IBindStatusCallback *pBSC, REFIID riid, void **ppvObj)
1530 {
1531     PluginHost *This = impl_from_IBindHost(iface);
1532     FIXME("(%p)->(%p %p %p %s %p)\n", This, pMk, pBC, pBSC, debugstr_guid(riid), ppvObj);
1533     return E_NOTIMPL;
1534 }
1535
1536 static HRESULT WINAPI PHBindHost_MonikerBindToObject(IBindHost *iface, IMoniker *pMk, IBindCtx *pBC,
1537         IBindStatusCallback *pBSC, REFIID riid, void **ppvObj)
1538 {
1539     PluginHost *This = impl_from_IBindHost(iface);
1540     FIXME("(%p)->(%p %p %p %s %p)\n", This, pMk, pBC, pBSC, debugstr_guid(riid), ppvObj);
1541     return E_NOTIMPL;
1542 }
1543
1544 static const IBindHostVtbl BindHostVtbl = {
1545     PHBindHost_QueryInterface,
1546     PHBindHost_AddRef,
1547     PHBindHost_Release,
1548     PHBindHost_CreateMoniker,
1549     PHBindHost_MonikerBindToStorage,
1550     PHBindHost_MonikerBindToObject
1551 };
1552
1553 static inline PluginHost *impl_from_IServiceProvider(IServiceProvider *iface)
1554 {
1555     return CONTAINING_RECORD(iface, PluginHost, IServiceProvider_iface);
1556 }
1557
1558 static HRESULT WINAPI PHServiceProvider_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
1559 {
1560     PluginHost *This = impl_from_IServiceProvider(iface);
1561     return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1562 }
1563
1564 static ULONG WINAPI PHServiceProvider_AddRef(IServiceProvider *iface)
1565 {
1566     PluginHost *This = impl_from_IServiceProvider(iface);
1567     return IOleClientSite_AddRef(&This->IOleClientSite_iface);
1568 }
1569
1570 static ULONG WINAPI PHServiceProvider_Release(IServiceProvider *iface)
1571 {
1572     PluginHost *This = impl_from_IServiceProvider(iface);
1573     return IOleClientSite_Release(&This->IOleClientSite_iface);
1574 }
1575
1576 static HRESULT WINAPI PHServiceProvider_QueryService(IServiceProvider *iface, REFGUID guidService, REFIID riid, void **ppv)
1577 {
1578     PluginHost *This = impl_from_IServiceProvider(iface);
1579
1580     if(IsEqualGUID(guidService, &SID_SBindHost)) {
1581         TRACE("SID_SBindHost service\n");
1582         return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
1583     }
1584
1585     TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
1586
1587     if(!This->doc || !This->doc->basedoc.window) {
1588         *ppv = NULL;
1589         return E_NOINTERFACE;
1590     }
1591
1592     return IServiceProvider_QueryService(&This->doc->basedoc.window->base.IServiceProvider_iface,
1593             guidService, riid, ppv);
1594 }
1595
1596 static const IServiceProviderVtbl ServiceProviderVtbl = {
1597     PHServiceProvider_QueryInterface,
1598     PHServiceProvider_AddRef,
1599     PHServiceProvider_Release,
1600     PHServiceProvider_QueryService
1601 };
1602
1603 static HRESULT assoc_element(PluginHost *host, HTMLDocumentNode *doc, nsIDOMElement *nselem)
1604 {
1605     HTMLPluginContainer *container_elem;
1606     HTMLDOMNode *node;
1607     HRESULT hres;
1608
1609     hres = get_node(doc, (nsIDOMNode*)nselem, TRUE, &node);
1610     if(FAILED(hres))
1611         return hres;
1612
1613     hres = IHTMLDOMNode_QueryInterface(&node->IHTMLDOMNode_iface, &IID_HTMLPluginContainer,
1614             (void**)&container_elem);
1615     node_release(node);
1616     if(FAILED(hres)) {
1617         ERR("Not an object element\n");
1618         return hres;
1619     }
1620
1621     container_elem->plugin_host = host;
1622     host->element = container_elem;
1623     return S_OK;
1624 }
1625
1626 void detach_plugin_host(PluginHost *host)
1627 {
1628     HRESULT hres;
1629
1630     TRACE("%p\n", host);
1631
1632     if(!host->doc)
1633         return;
1634
1635     if(host->ip_object) {
1636         if(host->ui_active)
1637             IOleInPlaceObject_UIDeactivate(host->ip_object);
1638         IOleInPlaceObject_InPlaceDeactivate(host->ip_object);
1639     }
1640
1641     if(host->plugin_unk) {
1642         IOleObject *ole_obj;
1643
1644         hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleObject, (void**)&ole_obj);
1645         if(SUCCEEDED(hres)) {
1646             if(!host->ip_object)
1647                 IOleObject_Close(ole_obj, OLECLOSE_NOSAVE);
1648             IOleObject_SetClientSite(ole_obj, NULL);
1649             IOleObject_Release(ole_obj);
1650         }
1651     }
1652
1653     if(host->sink) {
1654         IConnectionPointContainer *cp_container;
1655         IConnectionPoint *cp;
1656
1657         assert(host->plugin_unk != NULL);
1658
1659         hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IConnectionPointContainer, (void**)&cp_container);
1660         if(SUCCEEDED(hres)) {
1661             hres = IConnectionPointContainer_FindConnectionPoint(cp_container, &host->sink->iid, &cp);
1662             IConnectionPointContainer_Release(cp_container);
1663             if(SUCCEEDED(hres)) {
1664                 IConnectionPoint_Unadvise(cp, host->sink->cookie);
1665                 IConnectionPoint_Release(cp);
1666             }
1667         }
1668
1669         host->sink->host = NULL;
1670         IDispatch_Release(&host->sink->IDispatch_iface);
1671         host->sink = NULL;
1672     }
1673
1674     if(host->element) {
1675         host->element->plugin_host = NULL;
1676         host->element = NULL;
1677     }
1678
1679     list_remove(&host->entry);
1680     list_init(&host->entry);
1681     host->doc = NULL;
1682 }
1683
1684 HRESULT create_plugin_host(HTMLDocumentNode *doc, nsIDOMElement *nselem, IUnknown *unk, const CLSID *clsid, PluginHost **ret)
1685 {
1686     PluginHost *host;
1687     HRESULT hres;
1688
1689     host = heap_alloc_zero(sizeof(*host));
1690     if(!host)
1691         return E_OUTOFMEMORY;
1692
1693     host->IOleClientSite_iface.lpVtbl      = &OleClientSiteVtbl;
1694     host->IAdviseSinkEx_iface.lpVtbl       = &AdviseSinkExVtbl;
1695     host->IPropertyNotifySink_iface.lpVtbl = &PropertyNotifySinkVtbl;
1696     host->IDispatch_iface.lpVtbl           = &DispatchVtbl;
1697     host->IOleInPlaceSiteEx_iface.lpVtbl   = &OleInPlaceSiteExVtbl;
1698     host->IOleControlSite_iface.lpVtbl     = &OleControlSiteVtbl;
1699     host->IBindHost_iface.lpVtbl           = &BindHostVtbl;
1700     host->IServiceProvider_iface.lpVtbl    = &ServiceProviderVtbl;
1701
1702     host->ref = 1;
1703
1704     hres = assoc_element(host, doc, nselem);
1705     if(FAILED(hres)) {
1706         heap_free(host);
1707         return hres;
1708     }
1709
1710     IUnknown_AddRef(unk);
1711     host->plugin_unk = unk;
1712     host->clsid = *clsid;
1713
1714     host->doc = doc;
1715     list_add_tail(&doc->plugin_hosts, &host->entry);
1716
1717     *ret = host;
1718     return S_OK;
1719 }