mshtml: Added IDOMEvent::get_defaultPrevented implementation.

dlls/mshtml/htmlevent.c

@@ -995,8 +995,11 @@ static HRESULT WINAPI DOMEvent_get_currentTarget(IDOMEvent *iface, IEventTarget
 static HRESULT WINAPI DOMEvent_get_defaultPrevented(IDOMEvent *iface, VARIANT_BOOL *p)
 {
     DOMEvent *This = impl_from_IDOMEvent(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    *p = variant_bool(This->prevent_default);
+    return S_OK;
 }
 
 static HRESULT WINAPI DOMEvent_get_eventPhase(IDOMEvent *iface, USHORT *p)

dlls/mshtml/tests/events.js

@@ -267,6 +267,31 @@ function test_stop_propagation() {
     next_test();
 }
 
+function test_prevent_default() {
+    document.body.innerHTML = '<div><a href="about:blank"></a></div>';
+    var div = document.body.firstChild;
+    var a = div.firstChild;
+    var calls;
+
+    div.addEventListener("click", function(e) {
+        calls += "div,";
+        ok(e.defaultPrevented === false, "e.defaultPrevented = " + e.defaultPrevented);
+        e.preventDefault();
+        ok(e.defaultPrevented === true, "e.defaultPrevented = " + e.defaultPrevented);
+    }, true);
+
+    a.addEventListener("click", function(e) {
+        calls += "a,";
+        ok(e.defaultPrevented === true, "e.defaultPrevented = " + e.defaultPrevented);
+    }, true);
+
+    calls = "";
+    a.click();
+    ok(calls === "div,a,", "calls = " + calls);
+
+    next_test();
+}
+
 var tests = [
     test_content_loaded,
     test_add_remove_listener,
@@ -274,5 +299,6 @@ var tests = [
     test_remove_listener_in_listener,
     test_event_phase,
     test_stop_propagation,
+    test_prevent_default,
     test_listener_order
 ];