Add Password Autofill Manager to New Autofill

chrome/browser/autofill/password_autofill_manager.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_BROWSER_AUTOFILL_PASSWORD_AUTOFILL_MANAGER_H_
+#define CHROME_BROWSER_AUTOFILL_PASSWORD_AUTOFILL_MANAGER_H_
+#pragma once
+
+// This file was contains some repeated code from
+// chrome/renderer/autofill/password_autofill_manager because as we move to the
+// new Autofill UI we needs these functions in both the browser and renderer.
+// Once the move is completed the repeated code in the renderer half should be
+// removed.
+// http://crbug.com/51644
+
+#include <map>
+
+#include "webkit/forms/password_form_dom_manager.h"
+
+namespace content {
+class WebContents;
+}  // namespace content
+
+// This class is responsible for filling password forms.
+class PasswordAutofillManager {
+ public:
+  explicit PasswordAutofillManager(content::WebContents* web_contents);
+  virtual ~PasswordAutofillManager();
+
+  // Fills the password associated with user name |value|. Returns true if the
+  // username and password fields were filled, false otherwise.
+  bool DidAcceptAutofillSuggestion(const webkit::forms::FormField& field,
+                                   const string16& value);
+
+  // A no-op.  No filling happens for selection.  But this method returns
+  // true when |node| is fillable by password Autofill.
+  bool DidSelectAutofillSuggestion(const webkit::forms::FormField& field);
+
+  // A no-op.  Password forms are not previewed, so they do not need to be
+  // cleared when the selection changes.  However, this method returns
+  // true when |node| is fillable by password Autofill.
+  bool DidClearAutofillSelection(const webkit::forms::FormField& field);
+
+  // Invoked when a password mapping is added.
+  void AddPasswordFormMapping(
+      const webkit::forms::FormField& username_element,
+      const webkit::forms::PasswordFormFillData& password);
+
+  // Invoked to clear any page specific cached values.
+  void Reset();
+
+ private:
+  // TODO(csharp): Modify the AutofillExternalDeletegate code so that it can
+  // figure out if a entry is a password one without using this mapping.
+  // crbug.com/118601
+  typedef std::map<webkit::forms::FormField,
+                   webkit::forms::PasswordFormFillData>
+      LoginToPasswordInfoMap;
+
+  // Returns true if |current_username| matches a username for one of the
+  // login mappings in |password|.
+  bool WillFillUserNameAndPassword(
+      const string16& current_username,
+      const webkit::forms::PasswordFormFillData& password);
+
+  // Finds login information for a |node| that was previously filled.
+  bool FindLoginInfo(const webkit::forms::FormField& field,
+                     webkit::forms::PasswordFormFillData* found_password);
+
+  // The logins we have filled so far with their associated info.
+  LoginToPasswordInfoMap login_to_password_info_;
+
+  // We only need the RenderViewHost pointer in WebContents, but if we attempt
+  // to just store RenderViewHost on creation, it becomes invalid once we start
+  // using it. By having the WebContents we can always get a valid pointer.
+  content::WebContents* web_contents_;  // Weak reference.
+
+  DISALLOW_COPY_AND_ASSIGN(PasswordAutofillManager);
+};
+
+#endif  // CHROME_BROWSER_AUTOFILL_PASSWORD_AUTOFILL_MANAGER_H_