mshtml: Added IHTMLElement::get_offsetTop implementation.

dlls/mshtml/htmlelem.c

@@ -712,8 +712,27 @@ static HRESULT WINAPI HTMLElement_get_offsetLeft(IHTMLElement *iface, long *p)
 static HRESULT WINAPI HTMLElement_get_offsetTop(IHTMLElement *iface, long *p)
 {
     HTMLElement *This = HTMLELEM_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+    nsIDOMNSHTMLElement *nselem;
+    PRInt32 top = 0;
+    nsresult nsres;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    nsres = nsIDOMHTMLElement_QueryInterface(This->nselem, &IID_nsIDOMNSHTMLElement, (void**)&nselem);
+    if(NS_FAILED(nsres)) {
+        ERR("Could not get nsIDOMNSHTMLElement: %08x\n", nsres);
+        return E_FAIL;
+    }
+
+    nsres = nsIDOMNSHTMLElement_GetOffsetTop(nselem, &top);
+    nsIDOMNSHTMLElement_Release(nselem);
+    if(NS_FAILED(nsres)) {
+        ERR("GetOffsetTop failed: %08x\n", nsres);
+        return E_FAIL;
+    }
+
+    *p = top;
+    return S_OK;
 }
 
 static HRESULT WINAPI HTMLElement_get_offsetWidth(IHTMLElement *iface, long *p)
@@ -1414,6 +1433,7 @@ static const tid_t HTMLElement_iface_tids[] = {
     IHTMLElement2_tid,
     0
 };
+
 static dispex_static_data_t HTMLElement_dispex = {
     NULL,
     DispHTMLUnknownElement_tid,

dlls/mshtml/tests/dom.c

@@ -475,6 +475,19 @@ static void _test_elem_attr(unsigned line, IHTMLElement *elem, LPCWSTR name, LPC
     VariantClear(&value);
 }
 
+#define test_elem_offset(u) _test_elem_offset(__LINE__,u)
+static void _test_elem_offset(unsigned line, IUnknown *unk)
+{
+    IHTMLElement *elem = _get_elem_iface(line, unk);
+    long l;
+    HRESULT hres;
+
+    hres = IHTMLElement_get_offsetTop(elem, &l);
+    ok_(__FILE__,line) (hres == S_OK, "get_offsetTop failed: %08x\n", hres);
+
+    IHTMLElement_Release(elem);
+}
+
 static void test_doc_elem(IHTMLDocument2 *doc)
 {
     IHTMLElement *elem;
@@ -2044,6 +2057,7 @@ static void test_elems(IHTMLDocument2 *doc)
         test_elem_title((IUnknown*)select, NULL);
         test_elem_set_title((IUnknown*)select, "Title");
         test_elem_title((IUnknown*)select, "Title");
+        test_elem_offset((IUnknown*)select);
 
         node = get_first_child((IUnknown*)select);
         ok(node != NULL, "node == NULL\n");