Gabriel Ivăncescu : mshtml: Implement `data` getter for MessageEvent objs.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 266ac9a809014d51cec6b07b148cfcdb2bcf1f4e
URL:    https://gitlab.winehq.org/wine/wine/-/commit/266ac9a809014d51cec6b07b148cfcd...

Author: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>
Date:   Mon Feb  5 16:15:23 2024 +0200

mshtml: Implement `data` getter for MessageEvent objs.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>

---

 dlls/mshtml/htmlevent.c    | 14 +++++++++++---
 dlls/mshtml/tests/events.c |  5 +++++
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/dlls/mshtml/htmlevent.c b/dlls/mshtml/htmlevent.c
index 4e1cfd2b695..adf5422c995 100644
--- a/dlls/mshtml/htmlevent.c
+++ b/dlls/mshtml/htmlevent.c
@@ -1831,11 +1831,19 @@ static HRESULT WINAPI HTMLEventObj5_put_data(IHTMLEventObj5 *iface, BSTR v)
 static HRESULT WINAPI HTMLEventObj5_get_data(IHTMLEventObj5 *iface, BSTR *p)
 {
     HTMLEventObj *This = impl_from_IHTMLEventObj5(iface);
+    IDOMMessageEvent *message_event;
+    HRESULT hres;
 
-    FIXME("(%p)->(%p)\n", This, p);
+    TRACE("(%p)->(%p)\n", This, p);
 
-    *p = NULL;
-    return S_OK;
+    if(!This->event || FAILED(IDOMEvent_QueryInterface(&This->event->IDOMEvent_iface, &IID_IDOMMessageEvent, (void**)&message_event))) {
+        *p = NULL;
+        return S_OK;
+    }
+
+    hres = IDOMMessageEvent_get_data(message_event, p);
+    IDOMMessageEvent_Release(message_event);
+    return hres;
 }
 
 static HRESULT WINAPI HTMLEventObj5_get_source(IHTMLEventObj5 *iface, IDispatch **p)
diff --git a/dlls/mshtml/tests/events.c b/dlls/mshtml/tests/events.c
index aa1a60365f2..8641a2aae7d 100644
--- a/dlls/mshtml/tests/events.c
+++ b/dlls/mshtml/tests/events.c
@@ -1537,6 +1537,11 @@ static HRESULT WINAPI onmessage(IDispatchEx *iface, DISPID id, LCID lcid, WORD w
         ok(hres == S_OK, "get_url failed: %08lx\n", hres);
         ok(!bstr, "url = %s\n", wine_dbgstr_w(bstr));
 
+        hres = IHTMLEventObj5_get_data(event_obj5, &bstr);
+        ok(hres == S_OK, "get_data failed: %08lx\n", hres);
+        ok(!wcscmp(bstr, L"foobar"), "data = %s\n", wine_dbgstr_w(bstr));
+        SysFreeString(bstr);
+
         hres = IHTMLEventObj5_get_source(event_obj5, &disp);
         ok(hres == S_OK, "get_source failed: %08lx\n", hres);