2 * Copyright 2008 Jacek Caban for CodeWeavers
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.
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.
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
32 #include "mshtml_private.h"
33 #include "htmlscript.h"
34 #include "htmlevent.h"
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
41 #define IE_MAJOR_VERSION 7
42 #define IE_MINOR_VERSION 0
44 static const IID NS_ICONTENTUTILS_CID =
45 {0x762C4AE7,0xB923,0x422F,{0xB9,0x7E,0xB9,0xBF,0xC1,0xEF,0x7B,0xF0}};
47 static nsIContentUtils *content_utils;
49 static PRUnichar *handle_insert_comment(HTMLDocumentNode *doc, const PRUnichar *comment)
51 int majorv = 0, minorv = 0;
52 const PRUnichar *ptr, *end;
64 static const PRUnichar endifW[] = {'<','!','[','e','n','d','i','f',']'};
66 if(comment[0] != '[' || comment[1] != 'i' || comment[2] != 'f')
73 if(ptr[0] == 'l' && ptr[1] == 't') {
81 }else if(ptr[0] == 'g' && ptr[1] == 't') {
96 if(ptr[0] != 'I' || ptr[1] != 'E')
100 if(!isspaceW(*ptr++))
102 while(isspaceW(*ptr))
107 while(isdigitW(*ptr))
108 majorv = majorv*10 + (*ptr++ - '0');
114 while(isdigitW(*ptr))
115 minorv = minorv*10 + (*ptr++ - '0');
118 while(isspaceW(*ptr))
120 if(ptr[0] != ']' || ptr[1] != '>')
125 if(len < sizeof(endifW)/sizeof(WCHAR))
128 end = ptr + len-sizeof(endifW)/sizeof(WCHAR);
129 if(memcmp(end, endifW, sizeof(endifW)))
134 if(majorv == IE_MAJOR_VERSION && minorv == IE_MINOR_VERSION)
138 if(majorv > IE_MAJOR_VERSION)
140 if(majorv == IE_MAJOR_VERSION && minorv > IE_MINOR_VERSION)
144 if(majorv > IE_MAJOR_VERSION)
146 if(majorv == IE_MAJOR_VERSION && minorv >= IE_MINOR_VERSION)
150 if(majorv < IE_MAJOR_VERSION)
152 if(majorv == IE_MAJOR_VERSION && minorv < IE_MINOR_VERSION)
156 if(majorv < IE_MAJOR_VERSION)
158 if(majorv == IE_MAJOR_VERSION && minorv <= IE_MINOR_VERSION)
163 buf = heap_alloc((end-ptr+1)*sizeof(WCHAR));
167 memcpy(buf, ptr, (end-ptr)*sizeof(WCHAR));
173 static nsresult run_insert_comment(HTMLDocumentNode *doc, nsISupports *comment_iface, nsISupports *arg2)
175 const PRUnichar *comment;
176 nsIDOMComment *nscomment;
177 PRUnichar *replace_html;
178 nsAString comment_str;
181 nsres = nsISupports_QueryInterface(comment_iface, &IID_nsIDOMComment, (void**)&nscomment);
182 if(NS_FAILED(nsres)) {
183 ERR("Could not get nsIDOMComment iface:%08x\n", nsres);
187 nsAString_Init(&comment_str, NULL);
188 nsres = nsIDOMComment_GetData(nscomment, &comment_str);
192 nsAString_GetData(&comment_str, &comment);
193 replace_html = handle_insert_comment(doc, comment);
194 nsAString_Finish(&comment_str);
199 hres = replace_node_by_html(doc->nsdoc, (nsIDOMNode*)nscomment, replace_html);
200 heap_free(replace_html);
202 nsres = NS_ERROR_FAILURE;
206 nsIDOMComment_Release(nscomment);
210 static nsresult run_bind_to_tree(HTMLDocumentNode *doc, nsISupports *nsiface, nsISupports *arg2)
217 TRACE("(%p)->(%p)\n", doc, nsiface);
219 nsres = nsISupports_QueryInterface(nsiface, &IID_nsIDOMNode, (void**)&nsnode);
223 hres = get_node(doc, nsnode, TRUE, &node);
224 nsIDOMNode_Release(nsnode);
226 ERR("Could not get node\n");
230 if(node->vtbl->bind_to_tree)
231 node->vtbl->bind_to_tree(node);
237 /* Calls undocumented 69 cmd of CGID_Explorer */
238 static void call_explorer_69(HTMLDocumentObj *doc)
240 IOleCommandTarget *olecmd;
247 hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
252 hres = IOleCommandTarget_Exec(olecmd, &CGID_Explorer, 69, 0, NULL, &var);
253 IOleCommandTarget_Release(olecmd);
254 if(SUCCEEDED(hres) && V_VT(&var) != VT_NULL)
255 FIXME("handle result\n");
258 static void parse_complete(HTMLDocumentObj *doc)
260 TRACE("(%p)\n", doc);
262 if(doc->usermode == EDITMODE)
263 init_editor(&doc->basedoc);
265 call_explorer_69(doc);
267 IAdviseSink_OnViewChange(doc->view_sink, DVASPECT_CONTENT, -1);
268 call_property_onchanged(&doc->basedoc.cp_propnotif, 1005);
269 call_explorer_69(doc);
271 if(doc->is_webbrowser && doc->usermode != EDITMODE && !(doc->basedoc.window->load_flags & BINDING_REFRESH))
272 IDocObjectService_FireNavigateComplete2(doc->doc_object_service, &doc->basedoc.window->base.IHTMLWindow2_iface, 0);
274 /* FIXME: IE7 calls EnableModelless(TRUE), EnableModelless(FALSE) and sets interactive state here */
277 static nsresult run_end_load(HTMLDocumentNode *This, nsISupports *arg1, nsISupports *arg2)
279 TRACE("(%p)\n", This);
281 if(!This->basedoc.doc_obj)
284 if(This == This->basedoc.doc_obj->basedoc.doc_node) {
286 * This should be done in the worker thread that parses HTML,
287 * but we don't have such thread (Gecko parses HTML for us).
289 parse_complete(This->basedoc.doc_obj);
292 bind_event_scripts(This);
293 set_ready_state(This->basedoc.window, READYSTATE_INTERACTIVE);
297 static nsresult run_insert_script(HTMLDocumentNode *doc, nsISupports *script_iface, nsISupports *parser_iface)
299 nsIDOMHTMLScriptElement *nsscript;
300 HTMLScriptElement *script_elem;
301 nsIParser *nsparser = NULL;
302 script_queue_entry_t *iter;
303 HTMLInnerWindow *window;
307 TRACE("(%p)->(%p)\n", doc, script_iface);
309 window = doc->window;
313 nsres = nsISupports_QueryInterface(script_iface, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
314 if(NS_FAILED(nsres)) {
315 ERR("Could not get nsIDOMHTMLScriptElement: %08x\n", nsres);
320 nsres = nsISupports_QueryInterface(parser_iface, &IID_nsIParser, (void**)&nsparser);
321 if(NS_FAILED(nsres)) {
322 ERR("Could not get nsIParser iface: %08x\n", nsres);
327 hres = script_elem_from_nsscript(doc, nsscript, &script_elem);
328 nsIDOMHTMLScriptElement_Release(nsscript);
330 return NS_ERROR_FAILURE;
333 nsIParser_BeginEvaluatingParserInsertedScript(nsparser);
334 window->parser_callback_cnt++;
337 IHTMLWindow2_AddRef(&window->base.IHTMLWindow2_iface);
339 doc_insert_script(window, script_elem);
341 while(!list_empty(&window->script_queue)) {
342 iter = LIST_ENTRY(list_head(&window->script_queue), script_queue_entry_t, entry);
343 list_remove(&iter->entry);
344 if(!iter->script->parsed)
345 doc_insert_script(window, iter->script);
346 IHTMLScriptElement_Release(&iter->script->IHTMLScriptElement_iface);
350 IHTMLWindow2_Release(&window->base.IHTMLWindow2_iface);
353 window->parser_callback_cnt--;
354 nsIParser_EndEvaluatingParserInsertedScript(nsparser);
355 nsIParser_Release(nsparser);
358 IHTMLScriptElement_Release(&script_elem->IHTMLScriptElement_iface);
363 typedef struct nsRunnable nsRunnable;
365 typedef nsresult (*runnable_proc_t)(HTMLDocumentNode*,nsISupports*,nsISupports*);
368 nsIRunnable nsIRunnable_iface;
372 runnable_proc_t proc;
374 HTMLDocumentNode *doc;
379 static inline nsRunnable *impl_from_nsIRunnable(nsIRunnable *iface)
381 return CONTAINING_RECORD(iface, nsRunnable, nsIRunnable_iface);
384 static nsresult NSAPI nsRunnable_QueryInterface(nsIRunnable *iface,
385 nsIIDRef riid, void **result)
387 nsRunnable *This = impl_from_nsIRunnable(iface);
389 if(IsEqualGUID(riid, &IID_nsISupports)) {
390 TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
391 *result = &This->nsIRunnable_iface;
392 }else if(IsEqualGUID(riid, &IID_nsIRunnable)) {
393 TRACE("(%p)->(IID_nsIRunnable %p)\n", This, result);
394 *result = &This->nsIRunnable_iface;
397 WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
398 return NS_NOINTERFACE;
401 nsISupports_AddRef((nsISupports*)*result);
405 static nsrefcnt NSAPI nsRunnable_AddRef(nsIRunnable *iface)
407 nsRunnable *This = impl_from_nsIRunnable(iface);
408 LONG ref = InterlockedIncrement(&This->ref);
410 TRACE("(%p) ref=%d\n", This, ref);
415 static nsrefcnt NSAPI nsRunnable_Release(nsIRunnable *iface)
417 nsRunnable *This = impl_from_nsIRunnable(iface);
418 LONG ref = InterlockedDecrement(&This->ref);
420 TRACE("(%p) ref=%d\n", This, ref);
423 htmldoc_release(&This->doc->basedoc);
425 nsISupports_Release(This->arg1);
427 nsISupports_Release(This->arg2);
434 static nsresult NSAPI nsRunnable_Run(nsIRunnable *iface)
436 nsRunnable *This = impl_from_nsIRunnable(iface);
438 return This->proc(This->doc, This->arg1, This->arg2);
441 static const nsIRunnableVtbl nsRunnableVtbl = {
442 nsRunnable_QueryInterface,
448 static void add_script_runner(HTMLDocumentNode *This, runnable_proc_t proc, nsISupports *arg1, nsISupports *arg2)
450 nsRunnable *runnable;
452 runnable = heap_alloc_zero(sizeof(*runnable));
456 runnable->nsIRunnable_iface.lpVtbl = &nsRunnableVtbl;
459 htmldoc_addref(&This->basedoc);
460 runnable->doc = This;
461 runnable->proc = proc;
464 nsISupports_AddRef(arg1);
465 runnable->arg1 = arg1;
468 nsISupports_AddRef(arg2);
469 runnable->arg2 = arg2;
471 nsIContentUtils_AddScriptRunner(content_utils, &runnable->nsIRunnable_iface);
473 nsIRunnable_Release(&runnable->nsIRunnable_iface);
476 static inline HTMLDocumentNode *impl_from_nsIDocumentObserver(nsIDocumentObserver *iface)
478 return CONTAINING_RECORD(iface, HTMLDocumentNode, nsIDocumentObserver_iface);
481 static nsresult NSAPI nsDocumentObserver_QueryInterface(nsIDocumentObserver *iface,
482 nsIIDRef riid, void **result)
484 HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
486 if(IsEqualGUID(&IID_nsISupports, riid)) {
487 TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
488 *result = &This->nsIDocumentObserver_iface;
489 }else if(IsEqualGUID(&IID_nsIMutationObserver, riid)) {
490 TRACE("(%p)->(IID_nsIMutationObserver %p)\n", This, result);
491 *result = &This->nsIDocumentObserver_iface;
492 }else if(IsEqualGUID(&IID_nsIDocumentObserver, riid)) {
493 TRACE("(%p)->(IID_nsIDocumentObserver %p)\n", This, result);
494 *result = &This->nsIDocumentObserver_iface;
497 TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
498 return NS_NOINTERFACE;
501 htmldoc_addref(&This->basedoc);
505 static nsrefcnt NSAPI nsDocumentObserver_AddRef(nsIDocumentObserver *iface)
507 HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
508 return htmldoc_addref(&This->basedoc);
511 static nsrefcnt NSAPI nsDocumentObserver_Release(nsIDocumentObserver *iface)
513 HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
514 return htmldoc_release(&This->basedoc);
517 static void NSAPI nsDocumentObserver_CharacterDataWillChange(nsIDocumentObserver *iface,
518 nsIDocument *aDocument, nsIContent *aContent, void /*CharacterDataChangeInfo*/ *aInfo)
522 static void NSAPI nsDocumentObserver_CharacterDataChanged(nsIDocumentObserver *iface,
523 nsIDocument *aDocument, nsIContent *aContent, void /*CharacterDataChangeInfo*/ *aInfo)
527 static void NSAPI nsDocumentObserver_AttributeWillChange(nsIDocumentObserver *iface, nsIDocument *aDocument,
528 nsIContent *aContent, LONG aNameSpaceID, nsIAtom *aAttribute, LONG aModType)
532 static void NSAPI nsDocumentObserver_AttributeChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
533 nsIContent *aContent, LONG aNameSpaceID, nsIAtom *aAttribute, LONG aModType)
537 static void NSAPI nsDocumentObserver_AttributeSetToCurrentValue(nsIDocumentObserver *iface, nsIDocument *aDocument,
538 void *aElement, LONG aNameSpaceID, nsIAtom *aAttribute)
542 static void NSAPI nsDocumentObserver_ContentAppended(nsIDocumentObserver *iface, nsIDocument *aDocument,
543 nsIContent *aContainer, nsIContent *aFirstNewContent, LONG aNewIndexInContainer)
547 static void NSAPI nsDocumentObserver_ContentInserted(nsIDocumentObserver *iface, nsIDocument *aDocument,
548 nsIContent *aContainer, nsIContent *aChild, LONG aIndexInContainer)
552 static void NSAPI nsDocumentObserver_ContentRemoved(nsIDocumentObserver *iface, nsIDocument *aDocument,
553 nsIContent *aContainer, nsIContent *aChild, LONG aIndexInContainer,
554 nsIContent *aProviousSibling)
558 static void NSAPI nsDocumentObserver_NodeWillBeDestroyed(nsIDocumentObserver *iface, const nsINode *aNode)
562 static void NSAPI nsDocumentObserver_ParentChainChanged(nsIDocumentObserver *iface, nsIContent *aContent)
566 static void NSAPI nsDocumentObserver_BeginUpdate(nsIDocumentObserver *iface, nsIDocument *aDocument,
567 nsUpdateType aUpdateType)
571 static void NSAPI nsDocumentObserver_EndUpdate(nsIDocumentObserver *iface, nsIDocument *aDocument,
572 nsUpdateType aUpdateType)
576 static void NSAPI nsDocumentObserver_BeginLoad(nsIDocumentObserver *iface, nsIDocument *aDocument)
580 static void NSAPI nsDocumentObserver_EndLoad(nsIDocumentObserver *iface, nsIDocument *aDocument)
582 HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
584 TRACE("(%p)\n", This);
586 if(This->skip_mutation_notif)
589 This->content_ready = TRUE;
590 add_script_runner(This, run_end_load, NULL, NULL);
593 static void NSAPI nsDocumentObserver_ContentStatesChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
594 nsIContent *aContent, nsEventStates *aStateMask)
598 static void NSAPI nsDocumentObserver_DocumentStatesChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
599 nsEventStates *aStateMask)
603 static void NSAPI nsDocumentObserver_StyleSheetAdded(nsIDocumentObserver *iface, nsIDocument *aDocument,
604 nsIStyleSheet *aStyleSheet, cpp_bool aDocumentSheet)
608 static void NSAPI nsDocumentObserver_StyleSheetRemoved(nsIDocumentObserver *iface, nsIDocument *aDocument,
609 nsIStyleSheet *aStyleSheet, cpp_bool aDocumentSheet)
613 static void NSAPI nsDocumentObserver_StyleSheetApplicableStateChanged(nsIDocumentObserver *iface,
614 nsIDocument *aDocument, nsIStyleSheet *aStyleSheet, cpp_bool aApplicable)
618 static void NSAPI nsDocumentObserver_StyleRuleChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
619 nsIStyleSheet *aStyleSheet, nsIStyleRule *aOldStyleRule, nsIStyleSheet *aNewStyleRule)
623 static void NSAPI nsDocumentObserver_StyleRuleAdded(nsIDocumentObserver *iface, nsIDocument *aDocument,
624 nsIStyleSheet *aStyleSheet, nsIStyleRule *aStyleRule)
628 static void NSAPI nsDocumentObserver_StyleRuleRemoved(nsIDocumentObserver *iface, nsIDocument *aDocument,
629 nsIStyleSheet *aStyleSheet, nsIStyleRule *aStyleRule)
633 static void NSAPI nsDocumentObserver_BindToDocument(nsIDocumentObserver *iface, nsIDocument *aDocument,
634 nsIContent *aContent)
636 HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
637 nsIDOMHTMLIFrameElement *nsiframe;
638 nsIDOMHTMLFrameElement *nsframe;
639 nsIDOMHTMLScriptElement *nsscript;
640 nsIDOMComment *nscomment;
641 nsIDOMElement *nselem;
644 TRACE("(%p)\n", This);
646 nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMElement, (void**)&nselem);
647 if(NS_SUCCEEDED(nsres)) {
648 check_event_attr(This, nselem);
649 nsIDOMElement_Release(nselem);
652 nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMComment, (void**)&nscomment);
653 if(NS_SUCCEEDED(nsres)) {
654 TRACE("comment node\n");
656 add_script_runner(This, run_insert_comment, (nsISupports*)nscomment, NULL);
657 nsIDOMComment_Release(nscomment);
661 nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLIFrameElement, (void**)&nsiframe);
662 if(NS_SUCCEEDED(nsres)) {
663 TRACE("iframe node\n");
665 add_script_runner(This, run_bind_to_tree, (nsISupports*)nsiframe, NULL);
666 nsIDOMHTMLIFrameElement_Release(nsiframe);
670 nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLFrameElement, (void**)&nsframe);
671 if(NS_SUCCEEDED(nsres)) {
672 TRACE("frame node\n");
674 add_script_runner(This, run_bind_to_tree, (nsISupports*)nsframe, NULL);
675 nsIDOMHTMLFrameElement_Release(nsframe);
679 nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
680 if(NS_SUCCEEDED(nsres)) {
681 HTMLScriptElement *script_elem;
684 TRACE("script element\n");
686 hres = script_elem_from_nsscript(This, nsscript, &script_elem);
687 nsIDOMHTMLScriptElement_Release(nsscript);
691 if(script_elem->parse_on_bind)
692 add_script_runner(This, run_insert_script, (nsISupports*)nsscript, NULL);
694 IHTMLScriptElement_Release(&script_elem->IHTMLScriptElement_iface);
698 static void NSAPI nsDocumentObserver_AttemptToExecuteScript(nsIDocumentObserver *iface, nsIContent *aContent,
699 nsIParser *aParser, cpp_bool *aBlock)
701 HTMLDocumentNode *This = impl_from_nsIDocumentObserver(iface);
702 nsIDOMHTMLScriptElement *nsscript;
705 TRACE("(%p)->(%p %p %p)\n", This, aContent, aParser, aBlock);
707 nsres = nsIContent_QueryInterface(aContent, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
708 if(NS_SUCCEEDED(nsres)) {
709 TRACE("script node\n");
711 add_script_runner(This, run_insert_script, (nsISupports*)nsscript, (nsISupports*)aParser);
712 nsIDOMHTMLScriptElement_Release(nsscript);
716 static const nsIDocumentObserverVtbl nsDocumentObserverVtbl = {
717 nsDocumentObserver_QueryInterface,
718 nsDocumentObserver_AddRef,
719 nsDocumentObserver_Release,
720 nsDocumentObserver_CharacterDataWillChange,
721 nsDocumentObserver_CharacterDataChanged,
722 nsDocumentObserver_AttributeWillChange,
723 nsDocumentObserver_AttributeChanged,
724 nsDocumentObserver_AttributeSetToCurrentValue,
725 nsDocumentObserver_ContentAppended,
726 nsDocumentObserver_ContentInserted,
727 nsDocumentObserver_ContentRemoved,
728 nsDocumentObserver_NodeWillBeDestroyed,
729 nsDocumentObserver_ParentChainChanged,
730 nsDocumentObserver_BeginUpdate,
731 nsDocumentObserver_EndUpdate,
732 nsDocumentObserver_BeginLoad,
733 nsDocumentObserver_EndLoad,
734 nsDocumentObserver_ContentStatesChanged,
735 nsDocumentObserver_DocumentStatesChanged,
736 nsDocumentObserver_StyleSheetAdded,
737 nsDocumentObserver_StyleSheetRemoved,
738 nsDocumentObserver_StyleSheetApplicableStateChanged,
739 nsDocumentObserver_StyleRuleChanged,
740 nsDocumentObserver_StyleRuleAdded,
741 nsDocumentObserver_StyleRuleRemoved,
742 nsDocumentObserver_BindToDocument,
743 nsDocumentObserver_AttemptToExecuteScript
746 void init_document_mutation(HTMLDocumentNode *doc)
751 doc->nsIDocumentObserver_iface.lpVtbl = &nsDocumentObserverVtbl;
753 nsres = nsIDOMHTMLDocument_QueryInterface(doc->nsdoc, &IID_nsIDocument, (void**)&nsdoc);
754 if(NS_FAILED(nsres)) {
755 ERR("Could not get nsIDocument: %08x\n", nsres);
759 nsIContentUtils_AddDocumentObserver(content_utils, nsdoc, &doc->nsIDocumentObserver_iface);
760 nsIDocument_Release(nsdoc);
763 void release_document_mutation(HTMLDocumentNode *doc)
768 nsres = nsIDOMHTMLDocument_QueryInterface(doc->nsdoc, &IID_nsIDocument, (void**)&nsdoc);
769 if(NS_FAILED(nsres)) {
770 ERR("Could not get nsIDocument: %08x\n", nsres);
774 nsIContentUtils_RemoveDocumentObserver(content_utils, nsdoc, &doc->nsIDocumentObserver_iface);
775 nsIDocument_Release(nsdoc);
778 void init_mutation(nsIComponentManager *component_manager)
783 if(!component_manager) {
785 nsIContentUtils_Release(content_utils);
786 content_utils = NULL;
791 nsres = nsIComponentManager_GetClassObject(component_manager, &NS_ICONTENTUTILS_CID,
792 &IID_nsIFactory, (void**)&factory);
793 if(NS_FAILED(nsres)) {
794 ERR("Could not create nsIContentUtils service: %08x\n", nsres);
798 nsres = nsIFactory_CreateInstance(factory, NULL, &IID_nsIContentUtils, (void**)&content_utils);
799 nsIFactory_Release(factory);
801 ERR("Could not create nsIContentUtils instance: %08x\n", nsres);