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

chrome/renderer/autofill/autofill_agent.h

 // 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.
 
 #ifndef CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
 #define CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 70 matching lines @@
   virtual void removeAutocompleteSuggestion(
       const WebKit::WebString& name,
       const WebKit::WebString& value) OVERRIDE;
   virtual void textFieldDidEndEditing(
       const WebKit::WebInputElement& element) OVERRIDE;
   virtual void textFieldDidChange(
       const WebKit::WebInputElement& element) OVERRIDE;
   virtual void textFieldDidReceiveKeyDown(
       const WebKit::WebInputElement& element,
       const WebKit::WebKeyboardEvent& event) OVERRIDE;
+  virtual void didRequestAutocomplete(
+      WebKit::WebFrame* frame,
+      const WebKit::WebFormElement& form) OVERRIDE;
 
   void OnSuggestionsReturned(int query_id,
                              const std::vector<string16>& values,
                              const std::vector<string16>& labels,
                              const std::vector<string16>& icons,
                              const std::vector<int>& unique_ids);
   void OnFormDataFilled(int query_id, const FormData& form);
   void OnFieldTypePredictionsAvailable(
       const std::vector<FormDataPredictions>& forms);
 
   // For external Autofill selection.
   void OnSetAutofillActionFill();
   void OnClearForm();
   void OnSetAutofillActionPreview();
   void OnClearPreviewedForm();
   void OnSetNodeText(const string16& value);
   void OnAcceptDataListSuggestion(const string16& value);
   void OnAcceptPasswordAutofillSuggestion(const string16& value);
 
+  // For interactive autocomplete.
+  void OnRequestAutocompleteFinished(int result);
+
   // Called in a posted task by textFieldDidChange() to work-around a WebKit bug
   // http://bugs.webkit.org/show_bug.cgi?id=16976
   void TextFieldDidChangeImpl(const WebKit::WebInputElement& element);
 
   // Shows the autofill suggestions for |element|.
   // This call is asynchronous and may or may not lead to the showing of a
   // suggestion popup (no popup is shown if there are no available suggestions).
   // |autofill_on_empty_values| specifies whether suggestions should be shown
   // when |element| contains no text.
   // |requires_caret_at_end| specifies whether suggestions should be shown when
@@ skipping 35 matching lines @@
   // Fills |form| and |field| with the FormData and FormField corresponding to
   // |node|. Returns true if the data was found; and false otherwise.
   bool FindFormAndFieldForNode(
       const WebKit::WebNode& node,
       FormData* form,
       FormFieldData* field) WARN_UNUSED_RESULT;
 
   // Set |node| to display the given |value|.
   void SetNodeText(const string16& value, WebKit::WebInputElement* node);
 
+  // Hides any currently showing Autofill popups.
+  void HidePopups();
+
   FormCache form_cache_;
 
   PasswordAutofillManager* password_autofill_manager_;  // WEAK reference.
 
   // The ID of the last request sent for form field Autofill.  Used to ignore
   // out of date responses.
   int autofill_query_id_;
 
   // The element corresponding to the last request sent for form field Autofill.
   WebKit::WebInputElement element_;
 
+  // The element corresponding to the last request sent for an interactive
+  // autocomplete.
+  WebKit::WebFormElement form_;
+
   // The action to take when receiving Autofill data from the AutofillManager.
   AutofillAction autofill_action_;
 
   // Should we display a warning if autofill is disabled?
   bool display_warning_if_disabled_;
 
   // Was the query node autofilled prior to previewing the form?
   bool was_query_node_autofilled_;
 
   // Have we already shown Autofill suggestions for the field the user is
   // currently editing?  Used to keep track of state for metrics logging.
   bool has_shown_autofill_popup_for_current_edit_;
 
   // If true we just set the node text so we shouldn't show the popup.
   bool did_set_node_text_;
 
+  // Whether there is a pending request for an interactive autocomplete.
+  bool has_requested_autocomplete_;
+
   base::WeakPtrFactory<AutofillAgent> weak_ptr_factory_;
 
   friend class PasswordAutofillManagerTest;
   FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, SendForms);
   FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, FillFormElement);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, WaitUsername);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, SuggestionAccept);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, SuggestionSelect);
 
   DISALLOW_COPY_AND_ASSIGN(AutofillAgent);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_