mshtml: Added IDOMMouseEvent::relatedTarget implementation.

dlls/mshtml/htmldoc.c

@@ -5039,6 +5039,12 @@ static compat_mode_t HTMLDocumentNode_get_compat_mode(DispatchEx *dispex)
     return This->document_mode;
 }
 
+static nsISupports *HTMLDocumentNode_get_gecko_target(DispatchEx *dispex)
+{
+    HTMLDocumentNode *This = impl_from_DispatchEx(dispex);
+    return (nsISupports*)This->node.nsnode;
+}
+
 static void HTMLDocumentNode_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLDocumentNode *This = impl_from_DispatchEx(dispex);
@@ -5077,6 +5083,7 @@ static const event_target_vtbl_t HTMLDocumentNode_event_target_vtbl = {
         HTMLDocumentNode_get_compat_mode,
         NULL
     },
+    HTMLDocumentNode_get_gecko_target,
     HTMLDocumentNode_bind_event,
     HTMLDocumentNode_get_parent_event_target,
     NULL,

dlls/mshtml/htmlelem.c

@@ -5430,6 +5430,12 @@ static HRESULT HTMLElement_populate_props(DispatchEx *dispex)
     return S_OK;
 }
 
+static nsISupports *HTMLElement_get_gecko_target(DispatchEx *dispex)
+{
+    HTMLElement *This = impl_from_DispatchEx(dispex);
+    return (nsISupports*)This->node.nsnode;
+}
+
 static void HTMLElement_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLElement *This = impl_from_DispatchEx(dispex);
@@ -5521,6 +5527,7 @@ static event_target_vtbl_t HTMLElement_event_target_vtbl = {
         NULL,
         HTMLElement_populate_props
     },
+    HTMLElement_get_gecko_target,
     HTMLElement_bind_event,
     HTMLElement_get_parent_event_target,
     HTMLElement_handle_event_default,

dlls/mshtml/htmlevent.c

@@ -293,6 +293,8 @@ static void remove_event_listener(EventTarget *event_target, const WCHAR *type_n
     }
 }
 
+static HRESULT get_gecko_target(IEventTarget*,nsIDOMEventTarget**);
+
 typedef struct {
     DispatchEx dispex;
     IHTMLEventObj IHTMLEventObj_iface;
@@ -1459,8 +1461,37 @@ static HRESULT WINAPI DOMMouseEvent_get_button(IDOMMouseEvent *iface, USHORT *p)
 static HRESULT WINAPI DOMMouseEvent_get_relatedTarget(IDOMMouseEvent *iface, IEventTarget **p)
 {
     DOMEvent *This = impl_from_IDOMMouseEvent(iface);
-    FIXME("(%p)->(%p)\n", This, p);
+    nsIDOMEventTarget *related_target;
+    nsIDOMNode *target_node;
+    HTMLDOMNode *node;
+    HRESULT hres;
+    nsresult nsres;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    nsres = nsIDOMMouseEvent_GetRelatedTarget(This->mouse_event, &related_target);
+    if(NS_FAILED(nsres))
+        return E_FAIL;
+
+    if(!related_target) {
+        *p = NULL;
+        return S_OK;
+    }
+
+    nsres = nsIDOMEventTarget_QueryInterface(related_target, &IID_nsIDOMNode, (void**)&target_node);
+    nsIDOMEventTarget_Release(related_target);
+    if(NS_FAILED(nsres)) {
+        FIXME("Only node targets supported\n");
         return E_NOTIMPL;
+    }
+
+    hres = get_node(target_node, TRUE, &node);
+    nsIDOMNode_Release(target_node);
+    if(FAILED(hres))
+        return hres;
+
+    *p = &node->event_target.IEventTarget_iface;
+    return S_OK;
 }
 
 static HRESULT WINAPI DOMMouseEvent_initMouseEvent(IDOMMouseEvent *iface, BSTR type,
@@ -1470,6 +1501,7 @@ static HRESULT WINAPI DOMMouseEvent_initMouseEvent(IDOMMouseEvent *iface, BSTR t
         IEventTarget *related_target)
 {
     DOMEvent *This = impl_from_IDOMMouseEvent(iface);
+    nsIDOMEventTarget *nstarget = NULL;
     nsAString type_str;
     nsresult nsres;
     HRESULT hres;
@@ -1486,21 +1518,28 @@ static HRESULT WINAPI DOMMouseEvent_initMouseEvent(IDOMMouseEvent *iface, BSTR t
     if(view)
         FIXME("view argument is not supported\n");
 
-    hres = IDOMEvent_initEvent(&This->IDOMEvent_iface, type, can_bubble, cancelable);
+    if(related_target) {
+        hres = get_gecko_target(related_target, &nstarget);
         if(FAILED(hres))
             return hres;
+    }
 
+    hres = IDOMEvent_initEvent(&This->IDOMEvent_iface, type, can_bubble, cancelable);
+    if(SUCCEEDED(hres)) {
         nsAString_InitDepend(&type_str, type);
         nsres = nsIDOMMouseEvent_InitMouseEvent(This->mouse_event, &type_str, can_bubble, cancelable,
                                                 NULL /* FIXME */, detail, screen_x, screen_y,
                                                 client_x, client_y, ctrl_key, alt_key, shift_key,
-                                            meta_key, button, NULL /* FIXME */);
+                                                meta_key, button, nstarget);
         nsAString_Finish(&type_str);
         if(NS_FAILED(nsres)) {
             FIXME("InitMouseEvent failed: %08x\n", nsres);
             return E_FAIL;
         }
+    }
 
+    if(nstarget)
+        nsIDOMEventTarget_Release(nstarget);
     return S_OK;
 }
 
@@ -3120,6 +3159,29 @@ static const IEventTargetVtbl EventTargetVtbl = {
     EventTarget_dispatchEvent
 };
 
+static EventTarget *unsafe_impl_from_IEventTarget(IEventTarget *iface)
+{
+    return iface && iface->lpVtbl == &EventTargetVtbl ? impl_from_IEventTarget(iface) : NULL;
+}
+
+static HRESULT get_gecko_target(IEventTarget *target, nsIDOMEventTarget **ret)
+{
+    EventTarget *event_target = unsafe_impl_from_IEventTarget(target);
+    const event_target_vtbl_t *vtbl;
+    nsresult nsres;
+
+    if(!event_target) {
+        WARN("Not our IEventTarget implementation\n");
+        return E_INVALIDARG;
+    }
+
+    vtbl = (const event_target_vtbl_t*)dispex_get_vtbl(&event_target->dispex);
+    nsres = nsISupports_QueryInterface(vtbl->get_gecko_target(&event_target->dispex),
+                                       &IID_nsIDOMEventTarget, (void**)ret);
+    assert(nsres == NS_OK);
+    return S_OK;
+}
+
 HRESULT EventTarget_QI(EventTarget *event_target, REFIID riid, void **ppv)
 {
     if(IsEqualGUID(riid, &IID_IEventTarget)) {

dlls/mshtml/htmlevent.h

@@ -114,6 +114,7 @@ void detach_nsevent(HTMLDocumentNode*,const WCHAR*) DECLSPEC_HIDDEN;
 /* We extend dispex vtbl for EventTarget functions to avoid separated vtbl. */
 typedef struct {
     dispex_static_data_vtbl_t dispex_vtbl;
+    nsISupports *(*get_gecko_target)(DispatchEx*);
     void (*bind_event)(DispatchEx*,eventid_t);
     EventTarget *(*get_parent_event_target)(DispatchEx*);
     HRESULT (*handle_event_default)(DispatchEx*,eventid_t,nsIDOMEvent*,BOOL*);

dlls/mshtml/htmlwindow.c

@@ -3024,6 +3024,12 @@ static compat_mode_t HTMLWindow_get_compat_mode(DispatchEx *dispex)
     return This->doc->document_mode;
 }
 
+static nsISupports *HTMLWindow_get_gecko_target(DispatchEx *dispex)
+{
+    HTMLInnerWindow *This = impl_from_DispatchEx(dispex);
+    return (nsISupports*)This->base.outer_window->nswindow;
+}
+
 static void HTMLWindow_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLInnerWindow *This = impl_from_DispatchEx(dispex);
@@ -3050,6 +3056,7 @@ static const event_target_vtbl_t HTMLWindow_event_target_vtbl = {
         HTMLWindow_get_compat_mode,
         NULL
     },
+    HTMLWindow_get_gecko_target,
     HTMLWindow_bind_event,
     NULL,
     NULL,

dlls/mshtml/tests/events.js

@@ -629,6 +629,7 @@ function test_mouse_event() {
     ok(e.pageX === 0, "pageX = " + e.pageX);
     ok(e.pageY === 0, "pageY = " + e.pageY);
     ok(e.which === 1, "which = " + e.which);
+    ok(e.relatedTarget === null, "relatedTarget = " + e.relatedTarget);
 
     e.initMouseEvent("test", true, true, window, 1, 2, 3, 4, 5, false, false, false, false, 1, document);
     ok(e.type === "test", "type = " + e.type);
@@ -648,8 +649,9 @@ function test_mouse_event() {
     ok(e.button === 1, "button = " + e.button);
     ok(e.buttons === 0, "buttons = " + e.buttons);
     ok(e.which === 2, "which = " + e.which);
+    ok(e.relatedTarget === document, "relatedTarget = " + e.relatedTarget);
 
-    e.initMouseEvent("test", false, false, window, 9, 8, 7, 6, 5, true, true, true, true, 127, document);
+    e.initMouseEvent("test", false, false, window, 9, 8, 7, 6, 5, true, true, true, true, 127, document.body);
     ok(e.type === "test", "type = " + e.type);
     ok(e.cancelable === false, "cancelable = " + e.cancelable);
     ok(e.bubbles === false, "bubbles = " + e.bubbles);
@@ -664,6 +666,7 @@ function test_mouse_event() {
     ok(e.metaKey === true, "metaKey = " + e.metaKey);
     ok(e.button === 127, "button = " + e.button);
     ok(e.which === 128, "which = " + e.which);
+    ok(e.relatedTarget === document.body, "relatedTarget = " + e.relatedTarget);
 
     e.initEvent("testevent", true, true);
     ok(e.type === "testevent", "type = " + e.type);

dlls/mshtml/xmlhttprequest.c

@@ -738,6 +738,12 @@ static inline HTMLXMLHttpRequest *impl_from_DispatchEx(DispatchEx *iface)
     return CONTAINING_RECORD(iface, HTMLXMLHttpRequest, event_target.dispex);
 }
 
+static nsISupports *HTMLXMLHttpRequest_get_gecko_target(DispatchEx *dispex)
+{
+    HTMLXMLHttpRequest *This = impl_from_DispatchEx(dispex);
+    return (nsISupports*)This->nsxhr;
+}
+
 static void HTMLXMLHttpRequest_bind_event(DispatchEx *dispex, eventid_t eid)
 {
     HTMLXMLHttpRequest *This = impl_from_DispatchEx(dispex);
@@ -775,6 +781,7 @@ static void HTMLXMLHttpRequest_bind_event(DispatchEx *dispex, eventid_t eid)
 
 static event_target_vtbl_t HTMLXMLHttpRequest_event_target_vtbl = {
     {NULL},
+    HTMLXMLHttpRequest_get_gecko_target,
     HTMLXMLHttpRequest_bind_event
 };