mshtml: Add IDOMCustomEvent interface stub implementation.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/mshtml/htmlevent.c

@@ -851,7 +851,7 @@ static HRESULT WINAPI DOMEvent_QueryInterface(IDOMEvent *iface, REFIID riid, voi
         *ppv = &This->IDOMKeyboardEvent_iface;
     else if(dispex_query_interface(&This->dispex, riid, ppv))
         return *ppv ? S_OK : E_NOINTERFACE;
-    else {
+    else if(!This->query_interface || !(*ppv = This->query_interface(This, riid))) {
         *ppv = NULL;
         WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
         return E_NOINTERFACE;
@@ -879,10 +879,14 @@ static ULONG WINAPI DOMEvent_Release(IDOMEvent *iface)
     TRACE("(%p) ref=%u\n", This, ref);
 
     if(!ref) {
+        if(This->destroy)
+            This->destroy(This);
         if(This->ui_event)
             nsIDOMUIEvent_Release(This->ui_event);
         if(This->mouse_event)
             nsIDOMMouseEvent_Release(This->mouse_event);
+        if(This->keyboard_event)
+            nsIDOMKeyEvent_Release(This->keyboard_event);
         if(This->target)
             IEventTarget_Release(&This->target->IEventTarget_iface);
         nsIDOMEvent_Release(This->nsevent);
@@ -2042,6 +2046,112 @@ static const IDOMKeyboardEventVtbl DOMKeyboardEventVtbl = {
     DOMKeyboardEvent_get_locale
 };
 
+typedef struct {
+    DOMEvent event;
+    IDOMCustomEvent IDOMCustomEvent_iface;
+    VARIANT detail;
+} DOMCustomEvent;
+
+static inline DOMCustomEvent *impl_from_IDOMCustomEvent(IDOMCustomEvent *iface)
+{
+    return CONTAINING_RECORD(iface, DOMCustomEvent, IDOMCustomEvent_iface);
+}
+
+static HRESULT WINAPI DOMCustomEvent_QueryInterface(IDOMCustomEvent *iface, REFIID riid, void **ppv)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    return IDOMEvent_QueryInterface(&This->event.IDOMEvent_iface, riid, ppv);
+}
+
+static ULONG WINAPI DOMCustomEvent_AddRef(IDOMCustomEvent *iface)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    return IDOMEvent_AddRef(&This->event.IDOMEvent_iface);
+}
+
+static ULONG WINAPI DOMCustomEvent_Release(IDOMCustomEvent *iface)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    return IDOMEvent_Release(&This->event.IDOMEvent_iface);
+}
+
+static HRESULT WINAPI DOMCustomEvent_GetTypeInfoCount(IDOMCustomEvent *iface, UINT *pctinfo)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    return IDispatchEx_GetTypeInfoCount(&This->event.dispex.IDispatchEx_iface, pctinfo);
+}
+
+static HRESULT WINAPI DOMCustomEvent_GetTypeInfo(IDOMCustomEvent *iface, UINT iTInfo,
+                                                   LCID lcid, ITypeInfo **ppTInfo)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    return IDispatchEx_GetTypeInfo(&This->event.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
+}
+
+static HRESULT WINAPI DOMCustomEvent_GetIDsOfNames(IDOMCustomEvent *iface, REFIID riid,
+        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    return IDispatchEx_GetIDsOfNames(&This->event.dispex.IDispatchEx_iface, riid, rgszNames, cNames,
+            lcid, rgDispId);
+}
+
+static HRESULT WINAPI DOMCustomEvent_Invoke(IDOMCustomEvent *iface, DISPID dispIdMember,
+        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult,
+        EXCEPINFO *pExcepInfo, UINT *puArgErr)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    return IDispatchEx_Invoke(&This->event.dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
+            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
+}
+
+static HRESULT WINAPI DOMCustomEvent_get_detail(IDOMCustomEvent *iface, VARIANT *p)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    FIXME("(%p)->(%p)\n", This, p);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI DOMCustomEvent_initCustomEvent(IDOMCustomEvent *iface, BSTR type, VARIANT_BOOL can_bubble,
+                                                     VARIANT_BOOL cancelable, VARIANT *detail)
+{
+    DOMCustomEvent *This = impl_from_IDOMCustomEvent(iface);
+    FIXME("(%p)->(%s %x %x %p)\n", This, debugstr_w(type), can_bubble, cancelable, debugstr_variant(detail));
+    return E_NOTIMPL;
+}
+
+static const IDOMCustomEventVtbl DOMCustomEventVtbl = {
+    DOMCustomEvent_QueryInterface,
+    DOMCustomEvent_AddRef,
+    DOMCustomEvent_Release,
+    DOMCustomEvent_GetTypeInfoCount,
+    DOMCustomEvent_GetTypeInfo,
+    DOMCustomEvent_GetIDsOfNames,
+    DOMCustomEvent_Invoke,
+    DOMCustomEvent_get_detail,
+    DOMCustomEvent_initCustomEvent
+};
+
+static DOMCustomEvent *DOMCustomEvent_from_DOMEvent(DOMEvent *event)
+{
+    return CONTAINING_RECORD(event, DOMCustomEvent, event);
+}
+
+static void *DOMCustomEvent_query_interface(DOMEvent *event, REFIID riid)
+{
+    DOMCustomEvent *custom_event = DOMCustomEvent_from_DOMEvent(event);
+    if(IsEqualGUID(&IID_IDOMCustomEvent, riid))
+        return &custom_event->IDOMCustomEvent_iface;
+    return NULL;
+}
+
+static void DOMCustomEvent_destroy(DOMEvent *event)
+{
+    DOMCustomEvent *custom_event = DOMCustomEvent_from_DOMEvent(event);
+    VariantClear(&custom_event->detail);
+}
+
+
 static const tid_t DOMEvent_iface_tids[] = {
     IDOMEvent_tid,
     0
@@ -2091,19 +2201,43 @@ static dispex_static_data_t DOMKeyboardEvent_dispex = {
     DOMKeyboardEvent_iface_tids
 };
 
+static BOOL check_event_iface(nsIDOMEvent *event, REFIID riid)
+{
+    nsISupports *iface;
+    nsresult nsres;
+
+    nsres = nsIDOMEvent_QueryInterface(event, riid, (void**)&iface);
+    if(NS_FAILED(nsres))
+        return FALSE;
+
+    nsISupports_Release(iface);
+    return TRUE;
+}
+
 static DOMEvent *alloc_event(nsIDOMEvent *nsevent, eventid_t event_id)
 {
     dispex_static_data_t *dispex_data = &DOMEvent_dispex;
-    DOMEvent *event;
+    DOMEvent *event = NULL;
     FILETIME time;
     nsresult nsres;
 
     /* 1601 to 1970 is 369 years plus 89 leap days */
     const ULONGLONG time_epoch = (ULONGLONG)(369 * 365 + 89) * 86400 * 1000;
 
-    event = heap_alloc_zero(sizeof(*event));
+    if(check_event_iface(nsevent, &IID_nsIDOMCustomEvent)) {
-    if(!event)
+        DOMCustomEvent *custom_event = heap_alloc_zero(sizeof(*custom_event));
-        return NULL;
+        if(!custom_event)
+            return NULL;
+
+        custom_event->IDOMCustomEvent_iface.lpVtbl = &DOMCustomEventVtbl;
+        custom_event->event.query_interface = DOMCustomEvent_query_interface;
+        custom_event->event.destroy = DOMCustomEvent_destroy;
+        event = &custom_event->event;
+    }else if(!event) {
+        event = heap_alloc_zero(sizeof(*event));
+        if(!event)
+            return NULL;
+    }
 
     event->IDOMEvent_iface.lpVtbl = &DOMEventVtbl;
     event->IDOMUIEvent_iface.lpVtbl = &DOMUIEventVtbl;

dlls/mshtml/htmlevent.h

@@ -57,7 +57,7 @@ typedef enum {
     EVENTID_LAST
 } eventid_t;
 
-typedef struct {
+typedef struct DOMEvent {
     DispatchEx dispex;
     IDOMEvent IDOMEvent_iface;
     IDOMUIEvent IDOMUIEvent_iface;
@@ -65,6 +65,8 @@ typedef struct {
     IDOMKeyboardEvent IDOMKeyboardEvent_iface;
 
     LONG ref;
+    void *(*query_interface)(struct DOMEvent*,REFIID);
+    void (*destroy)(struct DOMEvent*);
 
     nsIDOMEvent *nsevent;
     nsIDOMUIEvent *ui_event;

dlls/mshtml/mshtml_private.h

@@ -80,6 +80,7 @@ typedef struct EventTarget EventTarget;
     XDIID(DispCEventObj) \
     XDIID(DispCPlugins) \
     XDIID(DispDOMChildrenCollection) \
+    XDIID(DispDOMCustomEvent) \
     XDIID(DispDOMEvent) \
     XDIID(DispDOMKeyboardEvent) \
     XDIID(DispDOMMouseEvent) \
@@ -130,6 +131,7 @@ typedef struct EventTarget EventTarget;
     XDIID(DispHTMLXMLHttpRequest) \
     XDIID(HTMLDocumentEvents) \
     XDIID(HTMLElementEvents2) \
+    XIID(IDOMCustomEvent) \
     XIID(IDOMEvent) \
     XIID(IDOMKeyboardEvent) \
     XIID(IDOMMouseEvent) \

dlls/mshtml/nsiface.idl

@@ -3241,6 +3241,18 @@ interface nsIDOMKeyEvent : nsIDOMUIEvent
     nsresult GetKey(nsAString *aKey);
 }
 
+[
+    object,
+    uuid(5be16b03-36f9-4ca8-b2c5-0daadf3cd1b3),
+    local
+]
+interface nsIDOMCustomEvent : nsISupports
+{
+    nsresult GetDetail(nsIVariant **aDetail);
+    nsresult InitCustomEvent(const nsAString *typeArg, bool canBubbleArg, bool cancelableArg,
+             nsIVariant *detailArg);
+}
+
 [
     object,
     uuid(0b976267-4aaa-4f36-a2d4-27b5ca8d73bb),

dlls/mshtml/tests/events.c

@@ -2667,6 +2667,7 @@ static void test_iframe_connections(IHTMLDocument2 *doc)
 static void test_create_event(IHTMLDocument2 *doc)
 {
     IDOMKeyboardEvent *keyboard_event;
+    IDOMCustomEvent *custom_event;
     IDOMMouseEvent *mouse_event;
     IDocumentEvent *doc_event;
     IEventTarget *event_target;
@@ -2771,6 +2772,17 @@ static void test_create_event(IHTMLDocument2 *doc)
 
     IDOMEvent_Release(event);
 
+    str = a2bstr("CustomEvent");
+    hres = IDocumentEvent_createEvent(doc_event, str, &event);
+    SysFreeString(str);
+    ok(hres == S_OK, "createEvent failed: %08x\n", hres);
+
+    hres = IDOMEvent_QueryInterface(event, &IID_IDOMCustomEvent, (void**)&custom_event);
+    ok(hres == S_OK, "QueryInterface(IID_IDOMCustomEvent returned %08x\n", hres);
+    IDOMCustomEvent_Release(custom_event);
+
+    IDOMEvent_Release(event);
+
     IDocumentEvent_Release(doc_event);
 }