mshtml: Added IHTMLDocument2::put_title implementation.

dlls/mshtml/htmldoc.c

@@ -381,8 +381,33 @@ static HRESULT WINAPI HTMLDocument_get_anchors(IHTMLDocument2 *iface, IHTMLEleme
 static HRESULT WINAPI HTMLDocument_put_title(IHTMLDocument2 *iface, BSTR v)
 {
     HTMLDocument *This = HTMLDOC_THIS(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_w(v));
-    return E_NOTIMPL;
+    nsIDOMHTMLDocument *nshtmldoc;
+    nsIDOMDocument *nsdoc;
+    nsAString nsstr;
+    nsresult nsres;
+
+    TRACE("(%p)->(%s)\n", This, debugstr_w(v));
+
+    if(!This->nscontainer)
+        return E_FAIL;
+
+    nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
+    if(NS_FAILED(nsres) || !nsdoc) {
+        ERR("GetDocument failed: %08x\n", nsres);
+        return E_FAIL;
+    }
+
+    nsIDOMDocument_QueryInterface(nsdoc, &IID_nsIDOMHTMLDocument, (void**)&nshtmldoc);
+    nsIDOMDocument_Release(nsdoc);
+
+    nsAString_Init(&nsstr, v);
+    nsres = nsIDOMHTMLDocument_SetTitle(nshtmldoc, &nsstr);
+    nsIDOMHTMLDocument_Release(nshtmldoc);
+    nsAString_Finish(&nsstr);
+    if(NS_FAILED(nsres))
+        ERR("SetTitle failed: %08x\n", nsres);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI HTMLDocument_get_title(IHTMLDocument2 *iface, BSTR *p)