mshtml: Added IHTMLDocument4::createEventObject implementation.

dlls/mshtml/htmldoc3.c

@@ -762,8 +762,15 @@ static HRESULT WINAPI HTMLDocument4_createEventObject(IHTMLDocument4 *iface,
         VARIANT *pvarEventObject, IHTMLEventObj **ppEventObj)
 {
     HTMLDocument *This = impl_from_IHTMLDocument4(iface);
-    FIXME("(%p)->(%p %p)\n", This, pvarEventObject, ppEventObj);
+
+    TRACE("(%p)->(%s %p)\n", This, debugstr_variant(pvarEventObject), ppEventObj);
+
+    if(pvarEventObject && V_VT(pvarEventObject) != VT_ERROR && V_VT(pvarEventObject) != VT_EMPTY) {
+        FIXME("unsupported pvarEventObject %s\n", debugstr_variant(pvarEventObject));
         return E_NOTIMPL;
+    }
+
+    return create_event_obj(ppEventObj);
 }
 
 static HRESULT WINAPI HTMLDocument4_fireEvent(IHTMLDocument4 *iface, BSTR bstrEventName,

dlls/mshtml/htmlevent.c

@@ -364,6 +364,11 @@ static HRESULT WINAPI HTMLEventObj_get_srcElement(IHTMLEventObj *iface, IHTMLEle
 
     TRACE("(%p)->(%p)\n", This, p);
 
+    if(!This->target) {
+        *p = NULL;
+        return S_OK;
+    }
+
     return IHTMLDOMNode_QueryInterface(&This->target->IHTMLDOMNode_iface, &IID_IHTMLElement,
             (void**)p);
 }
@@ -581,6 +586,11 @@ static HRESULT WINAPI HTMLEventObj_get_type(IHTMLEventObj *iface, BSTR *p)
 
     TRACE("(%p)->(%p)\n", This, p);
 
+    if(!This->type) {
+        *p = NULL;
+        return S_OK;
+    }
+
     *p = SysAllocString(This->type->name);
     return *p ? S_OK : E_OUTOFMEMORY;
 }
@@ -800,12 +810,12 @@ static HTMLEventObj *create_event(HTMLDOMNode *target, eventid_t eid, nsIDOMEven
 
     ret->IHTMLEventObj_iface.lpVtbl = &HTMLEventObjVtbl;
     ret->ref = 1;
-    ret->type = event_info+eid;
+    ret->type = eid != EVENTID_LAST ? event_info+eid : NULL;
 
     ret->nsevent = nsevent;
     if(nsevent) {
         nsIDOMEvent_AddRef(nsevent);
-    }else if(event_types[event_info[eid].type]) {
+    }else if(eid != EVENTID_LAST && event_types[event_info[eid].type]) {
         nsAString type_str;
         nsresult nsres;
 
@@ -820,6 +830,7 @@ static HTMLEventObj *create_event(HTMLDOMNode *target, eventid_t eid, nsIDOMEven
     }
 
     ret->target = target;
+    if(target)
         IHTMLDOMNode_AddRef(&target->IHTMLDOMNode_iface);
 
     init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLEventObj_iface, &HTMLEventObj_dispex);
@@ -827,6 +838,18 @@ static HTMLEventObj *create_event(HTMLDOMNode *target, eventid_t eid, nsIDOMEven
     return ret;
 }
 
+HRESULT create_event_obj(IHTMLEventObj **ret)
+{
+    HTMLEventObj *event;
+
+    event = create_event(NULL, EVENTID_LAST, NULL);
+    if(!event)
+        return E_OUTOFMEMORY;
+
+    *ret = &event->IHTMLEventObj_iface;
+    return S_OK;
+}
+
 static HRESULT call_disp_func(IDispatch *disp, DISPPARAMS *dp, VARIANT *retv)
 {
     IDispatchEx *dispex;

dlls/mshtml/htmlevent.h

@@ -60,6 +60,7 @@ HRESULT call_fire_event(HTMLDOMNode*,eventid_t) DECLSPEC_HIDDEN;
 void update_cp_events(HTMLInnerWindow*,event_target_t**,cp_static_data_t*,nsIDOMNode*) DECLSPEC_HIDDEN;
 HRESULT doc_init_events(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 void detach_events(HTMLDocumentNode *doc) DECLSPEC_HIDDEN;
+HRESULT create_event_obj(IHTMLEventObj**) DECLSPEC_HIDDEN;
 
 void init_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 void release_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;