[autofill] Adding new API to request an interactive autocomplete UI flow.

chrome/renderer/autofill/autofill_agent.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/autofill/autofill_agent.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/string_split.h"
@@ skipping 195 matching lines @@
   Send(new AutofillHostMsg_HideAutofillPopup(routing_id()));
 }
 
 void AutofillAgent::DidChangeScrollOffset(WebKit::WebFrame*) {
   // Any time the scroll offset changes, the page's content moves, so Autofill
   // popups should be hidden. This is only needed for the new Autofill UI
   // because WebKit already knows to hide the old UI when this occurs.
   Send(new AutofillHostMsg_HideAutofillPopup(routing_id()));
 }
 
+void AutofillAgent::RequestAutocomplete(WebKit::WebFrame* frame,
+                                        const WebFormElement& form) {
+
+  // TODO(dbeam): should popups be hidden here? Maybe after a view message from

[Evan Stade, 2012/10/24 21:59:44]

what popups?

[Dan Beam, 2012/10/26 03:06:05]

any existing autocomplete suggestion popups

+  // the browser to say whether the interactive autocomplete UI will show?
+
+  FormData form_data;
+  if (WebFormElementToFormData(form,
+                               WebFormControlElement(),
+                               REQUIRE_AUTOCOMPLETE,
+                               static_cast<ExtractMask>(
+                                   EXTRACT_VALUE | EXTRACT_OPTION_TEXT),
+                               &form_data,
+                               NULL)) {
+    Send(new AutofillHostMsg_RequestAutocomplete(routing_id(), form_data));
+  }
+}
+
 bool AutofillAgent::InputElementClicked(const WebInputElement& element,
                                         bool was_focused,
                                         bool is_focused) {
   if (was_focused)
     ShowSuggestions(element, true, false, true);
 
   return false;
 }
 
 bool AutofillAgent::InputElementLostFocus() {
@@ skipping 470 matching lines @@
 void AutofillAgent::SetNodeText(const string16& value,
                                 WebKit::WebInputElement* node) {
   did_set_node_text_ = true;
   string16 substring = value;
   substring = substring.substr(0, node->maxLength());
 
   node->setEditingValue(substring);
 }
 
 }  // namespace autofill