dlls/mshtml/npplugin.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
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "shlobj.h"
  30
  31 #include "mshtml_private.h"
  32 #include "pluginhost.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  37
  38 /* Parts of npapi.h */
  39
  40 #define NP_VERSION_MAJOR 0
  41 #define NP_VERSION_MINOR 25
  42
  43 typedef unsigned char NPBool;
  44 typedef INT16 NPError;
  45 typedef INT16 NPReason;
  46 typedef char *NPMIMEType;
  47
  48 typedef struct _NPP {
  49     void *pdata;
  50     void *ndata;
  51 } NPP_t, *NPP;
  52
  53 typedef struct _NPStream {
  54     void *pdata;
  55     void *ndata;
  56     const char *url;
  57     UINT32 end;
  58     UINT32 lastmodified;
  59     void *notifyData;
  60     const char *headers;
  61 } NPStream;
  62
  63 typedef struct _NPSavedData {
  64     INT32 len;
  65     void *buf;
  66 } NPSavedData;
  67
  68 typedef struct _NPRect {
  69     UINT16 top;
  70     UINT16 left;
  71     UINT16 bottom;
  72     UINT16 right;
  73 } NPRect;
  74
  75 typedef enum {
  76     NPFocusNext = 0,
  77     NPFocusPrevious = 1
  78 } NPFocusDirection;
  79
  80 #define NP_ABI_MASK 0
  81
  82 typedef enum {
  83     NPPVpluginNameString = 1,
  84     NPPVpluginDescriptionString,
  85     NPPVpluginWindowBool,
  86     NPPVpluginTransparentBool,
  87     NPPVjavaClass,
  88     NPPVpluginWindowSize,
  89     NPPVpluginTimerInterval,
  90     NPPVpluginScriptableInstance = (10 | NP_ABI_MASK),
  91     NPPVpluginScriptableIID = 11,
  92     NPPVjavascriptPushCallerBool = 12,
  93     NPPVpluginKeepLibraryInMemory = 13,
  94     NPPVpluginNeedsXEmbed = 14,
  95     NPPVpluginScriptableNPObject = 15,
  96     NPPVformValue = 16,
  97     NPPVpluginUrlRequestsDisplayedBool = 17,
  98     NPPVpluginWantsAllNetworkStreams = 18,
  99     NPPVpluginNativeAccessibleAtkPlugId = 19,
 100     NPPVpluginCancelSrcStream = 20,
 101     NPPVSupportsAdvancedKeyHandling = 21
 102 } NPPVariable;
 103
 104 typedef enum {
 105     NPNVxDisplay = 1,
 106     NPNVxtAppContext,
 107     NPNVnetscapeWindow,
 108     NPNVjavascriptEnabledBool,
 109     NPNVasdEnabledBool,
 110     NPNVisOfflineBool,
 111     NPNVserviceManager = (10 | NP_ABI_MASK),
 112     NPNVDOMElement     = (11 | NP_ABI_MASK),
 113     NPNVDOMWindow      = (12 | NP_ABI_MASK),
 114     NPNVToolkit        = (13 | NP_ABI_MASK),
 115     NPNVSupportsXEmbedBool = 14,
 116     NPNVWindowNPObject = 15,
 117     NPNVPluginElementNPObject = 16,
 118     NPNVSupportsWindowless = 17,
 119     NPNVprivateModeBool = 18,
 120     NPNVsupportsAdvancedKeyHandling = 21
 121 } NPNVariable;
 122
 123 typedef enum {
 124     NPWindowTypeWindow = 1,
 125     NPWindowTypeDrawable
 126 } NPWindowType;
 127
 128 typedef struct _NPWindow {
 129     void *window;
 130     INT32 x;
 131     INT32 y;
 132     UINT32 width;
 133     UINT32 height;
 134     NPRect clipRect;
 135     NPWindowType type;
 136 } NPWindow;
 137
 138 typedef struct _NPFullPrint {
 139     NPBool pluginPrinted;
 140     NPBool printOne;
 141     void *platformPrint;
 142 } NPFullPrint;
 143
 144 typedef struct _NPEmbedPrint {
 145     NPWindow window;
 146     void *platformPrint;
 147 } NPEmbedPrint;
 148
 149 typedef struct _NPPrint {
 150     UINT16 mode;
 151     union {
 152         NPFullPrint fullPrint;
 153         NPEmbedPrint embedPrint;
 154     } print;
 155 } NPPrint;
 156
 157 typedef HRGN NPRegion;
 158
 159 #define NPERR_BASE                         0
 160 #define NPERR_NO_ERROR                    (NPERR_BASE + 0)
 161 #define NPERR_GENERIC_ERROR               (NPERR_BASE + 1)
 162 #define NPERR_INVALID_INSTANCE_ERROR      (NPERR_BASE + 2)
 163 #define NPERR_INVALID_FUNCTABLE_ERROR     (NPERR_BASE + 3)
 164 #define NPERR_MODULE_LOAD_FAILED_ERROR    (NPERR_BASE + 4)
 165 #define NPERR_OUT_OF_MEMORY_ERROR         (NPERR_BASE + 5)
 166 #define NPERR_INVALID_PLUGIN_ERROR        (NPERR_BASE + 6)
 167 #define NPERR_INVALID_PLUGIN_DIR_ERROR    (NPERR_BASE + 7)
 168 #define NPERR_INCOMPATIBLE_VERSION_ERROR  (NPERR_BASE + 8)
 169 #define NPERR_INVALID_PARAM               (NPERR_BASE + 9)
 170 #define NPERR_INVALID_URL                 (NPERR_BASE + 10)
 171 #define NPERR_FILE_NOT_FOUND              (NPERR_BASE + 11)
 172 #define NPERR_NO_DATA                     (NPERR_BASE + 12)
 173 #define NPERR_STREAM_NOT_SEEKABLE         (NPERR_BASE + 13)
 174
 175 /* Parts of npfunctions.h */
 176
 177 typedef NPError (CDECL *NPP_NewProcPtr)(NPMIMEType,NPP,UINT16,INT16,char**,char**,NPSavedData*);
 178 typedef NPError (CDECL *NPP_DestroyProcPtr)(NPP,NPSavedData**);
 179 typedef NPError (CDECL *NPP_SetWindowProcPtr)(NPP,NPWindow*);
 180 typedef NPError (CDECL *NPP_NewStreamProcPtr)(NPP,NPMIMEType,NPStream*,NPBool,UINT16*);
 181 typedef NPError (CDECL *NPP_DestroyStreamProcPtr)(NPP,NPStream*,NPReason);
 182 typedef INT32 (CDECL *NPP_WriteReadyProcPtr)(NPP,NPStream*);
 183 typedef INT32 (CDECL *NPP_WriteProcPtr)(NPP,NPStream*,INT32,INT32,void*);
 184 typedef void (CDECL *NPP_StreamAsFileProcPtr)(NPP,NPStream*,const char*);
 185 typedef void (CDECL *NPP_PrintProcPtr)(NPP,NPPrint*);
 186 typedef INT16 (CDECL *NPP_HandleEventProcPtr)(NPP,void*);
 187 typedef void (CDECL *NPP_URLNotifyProcPtr)(NPP,const char*,NPReason,void*);
 188 typedef NPError (CDECL *NPP_GetValueProcPtr)(NPP,NPPVariable,void*);
 189 typedef NPError (CDECL *NPP_SetValueProcPtr)(NPP,NPNVariable,void*);
 190 typedef NPBool (CDECL *NPP_GotFocusPtr)(NPP,NPFocusDirection);
 191 typedef void (CDECL *NPP_LostFocusPtr)(NPP);
 192
 193 typedef struct _NPPluginFuncs {
 194     UINT16 size;
 195     UINT16 version;
 196     NPP_NewProcPtr newp;
 197     NPP_DestroyProcPtr destroy;
 198     NPP_SetWindowProcPtr setwindow;
 199     NPP_NewStreamProcPtr newstream;
 200     NPP_DestroyStreamProcPtr destroystream;
 201     NPP_StreamAsFileProcPtr asfile;
 202     NPP_WriteReadyProcPtr writeready;
 203     NPP_WriteProcPtr write;
 204     NPP_PrintProcPtr print;
 205     NPP_HandleEventProcPtr event;
 206     NPP_URLNotifyProcPtr urlnotify;
 207     void *javaClass;
 208     NPP_GetValueProcPtr getvalue;
 209     NPP_SetValueProcPtr setvalue;
 210     NPP_GotFocusPtr gotfocus;
 211     NPP_LostFocusPtr lostfocus;
 212 } NPPluginFuncs;
 213
 214 static nsIDOMElement *get_dom_element(NPP instance)
 215 {
 216     nsISupports *instance_unk = (nsISupports*)instance->ndata;
 217     nsIPluginInstance *plugin_instance;
 218     nsIDOMElement *elem;
 219     nsresult nsres;
 220
 221     nsres = nsISupports_QueryInterface(instance_unk, &IID_nsIPluginInstance, (void**)&plugin_instance);
 222     if(NS_FAILED(nsres)) {
 223         ERR("Could not get nsIPluginInstance interface: %08x\n", nsres);
 224         return NULL;
 225     }
 226
 227     nsres = nsIPluginInstance_GetDOMElement(plugin_instance, &elem);
 228     nsIPluginInstance_Release(plugin_instance);
 229     if(NS_FAILED(nsres)) {
 230         ERR("GetDOMElement failed: %08x\n", nsres);
 231         return NULL;
 232     }
 233
 234     return elem;
 235 }
 236
 237 static HTMLInnerWindow *get_elem_window(nsIDOMElement *elem)
 238 {
 239     nsIDOMWindow *nswindow;
 240     nsIDOMDocument *nsdoc;
 241     HTMLOuterWindow *window;
 242     nsresult nsres;
 243
 244     nsres = nsIDOMElement_GetOwnerDocument(elem, &nsdoc);
 245     if(NS_FAILED(nsres))
 246         return NULL;
 247
 248     nsres = nsIDOMDocument_GetDefaultView(nsdoc, &nswindow);
 249     nsIDOMDocument_Release(nsdoc);
 250     if(NS_FAILED(nsres) || !nswindow)
 251         return NULL;
 252
 253     window = nswindow_to_window(nswindow);
 254     nsIDOMWindow_Release(nswindow);
 255
 256     return window->base.inner_window;
 257 }
 258
 259 static BOOL parse_classid(const PRUnichar *classid, CLSID *clsid)
 260 {
 261     const WCHAR *ptr;
 262     unsigned len;
 263     HRESULT hres;
 264
 265     static const PRUnichar clsidW[] = {'c','l','s','i','d',':'};
 266
 267     if(strncmpiW(classid, clsidW, sizeof(clsidW)/sizeof(WCHAR)))
 268         return FALSE;
 269
 270     ptr = classid + sizeof(clsidW)/sizeof(WCHAR);
 271     len = strlenW(ptr);
 272
 273     if(len == 38) {
 274         hres = CLSIDFromString(ptr, clsid);
 275     }else if(len == 36) {
 276         WCHAR buf[39];
 277
 278         buf[0] = '{';
 279         memcpy(buf+1, ptr, len*sizeof(WCHAR));
 280         buf[37] = '}';
 281         buf[38] = 0;
 282         hres = CLSIDFromString(buf, clsid);
 283     }else {
 284         return FALSE;
 285     }
 286
 287     return SUCCEEDED(hres);
 288 }
 289
 290 static BOOL get_elem_clsid(nsIDOMElement *elem, CLSID *clsid)
 291 {
 292     nsAString attr_str, val_str;
 293     nsresult nsres;
 294     BOOL ret = FALSE;
 295
 296     static const PRUnichar classidW[] = {'c','l','a','s','s','i','d',0};
 297
 298     nsAString_InitDepend(&attr_str, classidW);
 299     nsAString_Init(&val_str, NULL);
 300     nsres = nsIDOMElement_GetAttribute(elem, &attr_str, &val_str);
 301     nsAString_Finish(&attr_str);
 302     if(NS_SUCCEEDED(nsres)) {
 303         const PRUnichar *val;
 304
 305         nsAString_GetData(&val_str, &val);
 306         if(*val)
 307             ret = parse_classid(val, clsid);
 308     }else {
 309         ERR("GetAttribute failed: %08x\n", nsres);
 310     }
 311
 312     nsAString_Finish(&attr_str);
 313     return ret;
 314 }
 315
 316 typedef struct {
 317     IBindStatusCallback IBindStatusCallback_iface;
 318     IWindowForBindingUI IWindowForBindingUI_iface;
 319     LONG ref;
 320 } InstallCallback;
 321
 322 static inline InstallCallback *impl_from_IBindStatusCallback(IBindStatusCallback *iface)
 323 {
 324     return CONTAINING_RECORD(iface, InstallCallback, IBindStatusCallback_iface);
 325 }
 326
 327 static HRESULT WINAPI InstallCallback_QueryInterface(IBindStatusCallback *iface,
 328         REFIID riid, void **ppv)
 329 {
 330     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 331
 332     if(IsEqualGUID(&IID_IUnknown, riid)) {
 333         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 334         *ppv = &This->IBindStatusCallback_iface;
 335     }else if(IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 336         TRACE("(%p)->(IID_IBindStatusCallback %p)\n", This, ppv);
 337         *ppv = &This->IBindStatusCallback_iface;
 338     }else if(IsEqualGUID(&IID_IWindowForBindingUI, riid)) {
 339         TRACE("(%p)->(IID_IWindowForBindingUI %p)\n", This, ppv);
 340         *ppv = &This->IWindowForBindingUI_iface;
 341     }else {
 342         TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 343         *ppv = NULL;
 344         return E_NOINTERFACE;
 345     }
 346
 347     IUnknown_AddRef((IUnknown*)*ppv);
 348     return S_OK;
 349 }
 350
 351 static ULONG WINAPI InstallCallback_AddRef(IBindStatusCallback *iface)
 352 {
 353     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 354     LONG ref = InterlockedIncrement(&This->ref);
 355
 356     TRACE("(%p) ref=%d\n", This, ref);
 357
 358     return ref;
 359 }
 360
 361 static ULONG WINAPI InstallCallback_Release(IBindStatusCallback *iface)
 362 {
 363     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 364     LONG ref = InterlockedIncrement(&This->ref);
 365
 366     TRACE("(%p) ref=%d\n", This, ref);
 367
 368     if(!ref)
 369         heap_free(This);
 370
 371     return ref;
 372 }
 373
 374 static HRESULT WINAPI InstallCallback_OnStartBinding(IBindStatusCallback *iface,
 375         DWORD dwReserved, IBinding *pib)
 376 {
 377     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 378     TRACE("(%p)->(%x %p)\n", This, dwReserved, pib);
 379     return S_OK;
 380 }
 381
 382 static HRESULT WINAPI InstallCallback_GetPriority(IBindStatusCallback *iface, LONG *pnPriority)
 383 {
 384     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 385     TRACE("(%p)->(%p)\n", This, pnPriority);
 386     return E_NOTIMPL;
 387 }
 388
 389 static HRESULT WINAPI InstallCallback_OnLowResource(IBindStatusCallback *iface, DWORD dwReserved)
 390 {
 391     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 392     TRACE("(%p)->(%x)\n", This, dwReserved);
 393     return S_OK;
 394 }
 395
 396 static HRESULT WINAPI InstallCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 397         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 398 {
 399     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 400     TRACE("(%p)->(%u %u %u %s)\n", This, ulProgress, ulProgressMax, ulStatusCode, debugstr_w(szStatusText));
 401     return S_OK;
 402 }
 403
 404 static HRESULT WINAPI InstallCallback_OnStopBinding(IBindStatusCallback *iface,
 405         HRESULT hresult, LPCWSTR szError)
 406 {
 407     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 408     TRACE("(%p)->(%08x %s)\n", This, hresult, debugstr_w(szError));
 409     return S_OK;
 410 }
 411
 412 static HRESULT WINAPI InstallCallback_GetBindInfo(IBindStatusCallback *iface,
 413         DWORD* grfBINDF, BINDINFO* pbindinfo)
 414 {
 415     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 416
 417     TRACE("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 418
 419     *grfBINDF = BINDF_ASYNCHRONOUS;
 420     return S_OK;
 421 }
 422
 423 static HRESULT WINAPI InstallCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
 424         DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
 425 {
 426     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 427     ERR("(%p)\n", This);
 428     return E_NOTIMPL;
 429 }
 430
 431 static HRESULT WINAPI InstallCallback_OnObjectAvailable(IBindStatusCallback *iface,
 432         REFIID riid, IUnknown* punk)
 433 {
 434     InstallCallback *This = impl_from_IBindStatusCallback(iface);
 435     ERR("(%p)\n", This);
 436     return E_NOTIMPL;
 437 }
 438
 439 static IBindStatusCallbackVtbl InstallCallbackVtbl = {
 440     InstallCallback_QueryInterface,
 441     InstallCallback_AddRef,
 442     InstallCallback_Release,
 443     InstallCallback_OnStartBinding,
 444     InstallCallback_GetPriority,
 445     InstallCallback_OnLowResource,
 446     InstallCallback_OnProgress,
 447     InstallCallback_OnStopBinding,
 448     InstallCallback_GetBindInfo,
 449     InstallCallback_OnDataAvailable,
 450     InstallCallback_OnObjectAvailable
 451 };
 452
 453 static inline InstallCallback *impl_from_IWindowForBindingUI(IWindowForBindingUI *iface)
 454 {
 455     return CONTAINING_RECORD(iface, InstallCallback, IWindowForBindingUI_iface);
 456 }
 457
 458 static HRESULT WINAPI WindowForBindingUI_QueryInterface(IWindowForBindingUI *iface, REFIID riid, void **ppv)
 459 {
 460     InstallCallback *This = impl_from_IWindowForBindingUI(iface);
 461     return IBindStatusCallback_QueryInterface(&This->IBindStatusCallback_iface, riid, ppv);
 462 }
 463
 464 static ULONG WINAPI WindowForBindingUI_AddRef(IWindowForBindingUI *iface)
 465 {
 466     InstallCallback *This = impl_from_IWindowForBindingUI(iface);
 467     return IBindStatusCallback_AddRef(&This->IBindStatusCallback_iface);
 468 }
 469
 470 static ULONG WINAPI WindowForBindingUI_Release(IWindowForBindingUI *iface)
 471 {
 472     InstallCallback *This = impl_from_IWindowForBindingUI(iface);
 473     return IBindStatusCallback_AddRef(&This->IBindStatusCallback_iface);
 474 }
 475
 476 static HRESULT WINAPI WindowForBindingUI_GetWindow(IWindowForBindingUI *iface, REFGUID rguidReason, HWND *phwnd)
 477 {
 478     InstallCallback *This = impl_from_IWindowForBindingUI(iface);
 479     FIXME("(%p)->(%s %p)\n", This, debugstr_guid(rguidReason), phwnd);
 480     *phwnd = NULL;
 481     return S_OK;
 482 }
 483
 484 static const IWindowForBindingUIVtbl WindowForBindingUIVtbl = {
 485     WindowForBindingUI_QueryInterface,
 486     WindowForBindingUI_AddRef,
 487     WindowForBindingUI_Release,
 488     WindowForBindingUI_GetWindow
 489 };
 490
 491 typedef struct {
 492     struct list entry;
 493     IUri *uri;
 494 } install_entry_t;
 495
 496 static struct list install_list = LIST_INIT(install_list);
 497
 498 static CRITICAL_SECTION cs_install_list;
 499 static CRITICAL_SECTION_DEBUG cs_install_list_dbg =
 500 {
 501     0, 0, &cs_install_list,
 502     { &cs_install_list_dbg.ProcessLocksList, &cs_install_list_dbg.ProcessLocksList },
 503       0, 0, { (DWORD_PTR)(__FILE__ ": install_list") }
 504 };
 505 static CRITICAL_SECTION cs_install_list = { &cs_install_list_dbg, -1, 0, 0, 0, 0 };
 506
 507 static void install_codebase(const WCHAR *url)
 508 {
 509     InstallCallback *callback;
 510     IBindCtx *bctx;
 511     HRESULT hres;
 512
 513     callback = heap_alloc(sizeof(*callback));
 514     if(!callback)
 515         return;
 516
 517     callback->IBindStatusCallback_iface.lpVtbl = &InstallCallbackVtbl;
 518     callback->IWindowForBindingUI_iface.lpVtbl = &WindowForBindingUIVtbl;
 519     callback->ref = 1;
 520
 521     hres = CreateAsyncBindCtx(0, &callback->IBindStatusCallback_iface, NULL, &bctx);
 522     IBindStatusCallback_Release(&callback->IBindStatusCallback_iface);
 523     if(FAILED(hres))
 524         return;
 525
 526     hres = AsyncInstallDistributionUnit(NULL, NULL, NULL, 0, 0, url, bctx, NULL, 0);
 527     IBindCtx_Release(bctx);
 528     if(FAILED(hres))
 529         WARN("FAILED: %08x\n", hres);
 530 }
 531
 532 static void check_codebase(HTMLInnerWindow *window, nsIDOMElement *nselem)
 533 {
 534     nsAString attr_str, val_str;
 535     BOOL is_on_list = FALSE;
 536     install_entry_t *iter;
 537     IUri *uri = NULL;
 538     nsresult nsres;
 539     HRESULT hres;
 540
 541     static const PRUnichar codebaseW[] = {'c','o','d','e','b','a','s','e',0};
 542
 543     nsAString_InitDepend(&attr_str, codebaseW);
 544     nsAString_Init(&val_str, NULL);
 545     nsres = nsIDOMElement_GetAttribute(nselem, &attr_str, &val_str);
 546     nsAString_Finish(&attr_str);
 547     if(NS_SUCCEEDED(nsres)) {
 548         const PRUnichar *val;
 549
 550         nsAString_GetData(&val_str, &val);
 551         if(*val) {
 552             hres = CoInternetCombineUrlEx(window->base.outer_window->uri, val, 0, &uri, 0);
 553             if(FAILED(hres))
 554                 uri = NULL;
 555         }
 556     }else {
 557         ERR("GetAttribute failed: %08x\n", nsres);
 558     }
 559
 560     nsAString_Finish(&attr_str);
 561     if(!uri)
 562         return;
 563
 564     EnterCriticalSection(&cs_install_list);
 565
 566     LIST_FOR_EACH_ENTRY(iter, &install_list, install_entry_t, entry) {
 567         BOOL eq;
 568
 569         hres = IUri_IsEqual(uri, iter->uri, &eq);
 570         if(SUCCEEDED(hres) && eq) {
 571             TRACE("already proceeded\n");
 572             is_on_list = TRUE;
 573             break;
 574         }
 575     }
 576
 577     if(!is_on_list) {
 578         iter = heap_alloc(sizeof(*iter));
 579         if(iter) {
 580             IUri_AddRef(uri);
 581             iter->uri = uri;
 582
 583             list_add_tail(&install_list, &iter->entry);
 584         }
 585     }
 586
 587     LeaveCriticalSection(&cs_install_list);
 588
 589     if(!is_on_list) {
 590         BSTR display_uri;
 591
 592         hres = IUri_GetDisplayUri(uri, &display_uri);
 593         if(SUCCEEDED(hres)) {
 594             install_codebase(display_uri);
 595             SysFreeString(display_uri);
 596         }
 597     }
 598
 599     IUri_Release(uri);
 600 }
 601
 602 static IUnknown *create_activex_object(HTMLInnerWindow *window, nsIDOMElement *nselem, CLSID *clsid)
 603 {
 604     IClassFactoryEx *cfex;
 605     IClassFactory *cf;
 606     IUnknown *obj;
 607     DWORD policy;
 608     HRESULT hres;
 609
 610     if(!get_elem_clsid(nselem, clsid)) {
 611         WARN("Could not determine element CLSID\n");
 612         return NULL;
 613     }
 614
 615     TRACE("clsid %s\n", debugstr_guid(clsid));
 616
 617     policy = 0;
 618     hres = IInternetHostSecurityManager_ProcessUrlAction(&window->doc->IInternetHostSecurityManager_iface,
 619             URLACTION_ACTIVEX_RUN, (BYTE*)&policy, sizeof(policy), (BYTE*)clsid, sizeof(GUID), 0, 0);
 620     if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
 621         WARN("ProcessUrlAction returned %08x %x\n", hres, policy);
 622         return NULL;
 623     }
 624
 625     hres = CoGetClassObject(clsid, CLSCTX_INPROC_SERVER|CLSCTX_LOCAL_SERVER, NULL, &IID_IClassFactory, (void**)&cf);
 626     if(hres == REGDB_E_CLASSNOTREG)
 627         check_codebase(window, nselem);
 628     if(FAILED(hres))
 629         return NULL;
 630
 631     hres = IClassFactory_QueryInterface(cf, &IID_IClassFactoryEx, (void**)&cfex);
 632     if(SUCCEEDED(hres)) {
 633         FIXME("Use IClassFactoryEx\n");
 634         IClassFactoryEx_Release(cfex);
 635     }
 636
 637     hres = IClassFactory_CreateInstance(cf, NULL, &IID_IUnknown, (void**)&obj);
 638     if(FAILED(hres))
 639         return NULL;
 640
 641     return obj;
 642 }
 643
 644 static NPError CDECL NPP_New(NPMIMEType pluginType, NPP instance, UINT16 mode, INT16 argc, char **argn,
 645         char **argv, NPSavedData *saved)
 646 {
 647     nsIDOMElement *nselem;
 648     HTMLInnerWindow *window;
 649     IUnknown *obj;
 650     CLSID clsid;
 651     NPError err = NPERR_NO_ERROR;
 652
 653     TRACE("(%s %p %x %d %p %p %p)\n", debugstr_a(pluginType), instance, mode, argc, argn, argv, saved);
 654
 655     nselem = get_dom_element(instance);
 656     if(!nselem) {
 657         ERR("Could not get DOM element\n");
 658         return NPERR_GENERIC_ERROR;
 659     }
 660
 661     window = get_elem_window(nselem);
 662     if(!window) {
 663         ERR("Could not get element's window object\n");
 664         nsIDOMElement_Release(nselem);
 665         return NPERR_GENERIC_ERROR;
 666     }
 667
 668     obj = create_activex_object(window, nselem, &clsid);
 669     if(obj) {
 670         PluginHost *host;
 671         HRESULT hres;
 672
 673         hres = create_plugin_host(window->doc, nselem, obj, &clsid, &host);
 674         nsIDOMElement_Release(nselem);
 675         IUnknown_Release(obj);
 676         if(SUCCEEDED(hres))
 677             instance->pdata = host;
 678         else
 679             err = NPERR_GENERIC_ERROR;
 680     }else {
 681         err = NPERR_GENERIC_ERROR;
 682     }
 683
 684     nsIDOMElement_Release(nselem);
 685     return err;
 686 }
 687
 688 static NPError CDECL NPP_Destroy(NPP instance, NPSavedData **save)
 689 {
 690     PluginHost *host = instance->pdata;
 691
 692     TRACE("(%p %p)\n", instance, save);
 693
 694     if(!host)
 695         return NPERR_GENERIC_ERROR;
 696
 697     detach_plugin_host(host);
 698     IOleClientSite_Release(&host->IOleClientSite_iface);
 699     instance->pdata = NULL;
 700     return NPERR_NO_ERROR;
 701 }
 702
 703 static NPError CDECL NPP_SetWindow(NPP instance, NPWindow *window)
 704 {
 705     PluginHost *host = instance->pdata;
 706     RECT pos_rect = {0, 0, window->width, window->height};
 707
 708     TRACE("(%p %p)\n", instance, window);
 709
 710     if(!host)
 711         return NPERR_GENERIC_ERROR;
 712
 713     update_plugin_window(host, window->window, &pos_rect);
 714     return NPERR_NO_ERROR;
 715 }
 716
 717 static NPError CDECL NPP_NewStream(NPP instance, NPMIMEType type, NPStream *stream, NPBool seekable, UINT16 *stype)
 718 {
 719     TRACE("\n");
 720     return NPERR_GENERIC_ERROR;
 721 }
 722
 723 static NPError CDECL NPP_DestroyStream(NPP instance, NPStream *stream, NPReason reason)
 724 {
 725     TRACE("\n");
 726     return NPERR_GENERIC_ERROR;
 727 }
 728
 729 static INT32 CDECL NPP_WriteReady(NPP instance, NPStream *stream)
 730 {
 731     TRACE("\n");
 732     return NPERR_GENERIC_ERROR;
 733 }
 734
 735 static INT32 CDECL NPP_Write(NPP instance, NPStream *stream, INT32 offset, INT32 len, void *buffer)
 736 {
 737     TRACE("\n");
 738     return NPERR_GENERIC_ERROR;
 739 }
 740
 741 static void CDECL NPP_StreamAsFile(NPP instance, NPStream *stream, const char *fname)
 742 {
 743     TRACE("\n");
 744 }
 745
 746 static void CDECL NPP_Print(NPP instance, NPPrint *platformPrint)
 747 {
 748     FIXME("\n");
 749 }
 750
 751 static INT16 CDECL NPP_HandleEvent(NPP instance, void *event)
 752 {
 753     TRACE("\n");
 754     return NPERR_GENERIC_ERROR;
 755 }
 756
 757 static void CDECL NPP_URLNotify(NPP instance, const char *url, NPReason reason, void *notifyData)
 758 {
 759     TRACE("\n");
 760 }
 761
 762 static NPError CDECL NPP_GetValue(NPP instance, NPPVariable variable, void *ret_value)
 763 {
 764     TRACE("\n");
 765     return NPERR_GENERIC_ERROR;
 766 }
 767
 768 static NPError CDECL NPP_SetValue(NPP instance, NPNVariable variable, void *value)
 769 {
 770     TRACE("\n");
 771     return NPERR_GENERIC_ERROR;
 772 }
 773
 774 static NPBool CDECL NPP_GotFocus(NPP instance, NPFocusDirection direction)
 775 {
 776     FIXME("\n");
 777     return NPERR_GENERIC_ERROR;
 778 }
 779
 780 static void CDECL NPP_LostFocus(NPP instance)
 781 {
 782     FIXME("\n");
 783 }
 784
 785 /***********************************************************************
 786  *          NP_GetEntryPoints (mshtml.@)
 787  */
 788 NPError WINAPI NP_GetEntryPoints(NPPluginFuncs* funcs)
 789 {
 790     TRACE("(%p)\n", funcs);
 791
 792     funcs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
 793     funcs->newp = NPP_New;
 794     funcs->destroy = NPP_Destroy;
 795     funcs->setwindow = NPP_SetWindow;
 796     funcs->newstream = NPP_NewStream;
 797     funcs->destroystream = NPP_DestroyStream;
 798     funcs->asfile = NPP_StreamAsFile;
 799     funcs->writeready = NPP_WriteReady;
 800     funcs->write = NPP_Write;
 801     funcs->print = NPP_Print;
 802     funcs->event = NPP_HandleEvent;
 803     funcs->urlnotify = NPP_URLNotify;
 804     funcs->javaClass = NULL;
 805     funcs->getvalue = NPP_GetValue;
 806     funcs->setvalue = NPP_SetValue;
 807     funcs->gotfocus = NPP_GotFocus;
 808     funcs->lostfocus = NPP_LostFocus;
 809
 810     return NPERR_NO_ERROR;
 811 }