External autofill delegates.

chrome/browser/autofill/autofill_external_delegate.h

+// Copyright (c) 2011 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_BROWSER_AUTOFILL_AUTOFILL_EXTERNAL_DELEGATE_H_
+#define CHROME_BROWSER_AUTOFILL_AUTOFILL_EXTERNAL_DELEGATE_H_
+#pragma once
+
+#include <vector>
+
+#include "base/string16.h"
+
+class AutofillManager;
+class TabContentsWrapper;
+
+namespace webkit_glue {
+struct FormData;
+struct FormField;
+}  // namespace webkit_glue
+
+// Delegate for external processing of Autocomplete and Autofill
+// display and selection.
+class AutofillExternalDelegate {
+ public:
+  virtual ~AutofillExternalDelegate();
+
+  // When using an external Autofill delegate.  Allows Chrome to tell
+  // WebKit which Autofill selection has been chosen.
+  // TODO(jrg): add feedback mechanism for hover on relevant platforms.
+  void SelectAutofillSuggestionAtIndex(int listIndex);
+
+  // Records and associates a query_id with web form data.  Called
+  // when the renderer posts an Autofill query to the browser.
+  virtual void OnQuery(int query_id,
+                       const webkit_glue::FormData& form,
+                       const webkit_glue::FormField& field) = 0;
+
+  // Records query results.  Displays them to the user with an external
+  // Autofill popup that lives completely in the browser.  Called when
+  // an Autofill query result is available.
+  virtual void OnSuggestionsReturned(
+      int query_id,
+      const std::vector<string16>& autofill_values,
+      const std::vector<string16>& autofill_labels,
+      const std::vector<string16>& autofill_icons,
+      const std::vector<int>& autofill_unique_ids) = 0;
+
+  // Platforms that wish to implement an external Autofill delegate
+  // MUST implement this.  The 1st arg is the tab contents that owns
+  // this delegate; the second is the Autofill manager owned by the
+  // tab contents.
+  static AutofillExternalDelegate* Create(TabContentsWrapper*,
+                                          AutofillManager*);
+
+ protected:
+  explicit AutofillExternalDelegate(TabContentsWrapper* tab_contents_wrapper);
+
+ private:
+  TabContentsWrapper* tab_contents_wrapper_;  // weak; owns me.
+
+  DISALLOW_COPY_AND_ASSIGN(AutofillExternalDelegate);
+};
+
+#endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_EXTERNAL_DELEGATE_H_