1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
6#define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
7
8#include <vector>
9
10#include "base/gtest_prod_util.h"
11#include "base/prefs/pref_member.h"
12#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
13#include "components/webdata/common/web_data_service_consumer.h"
14
15namespace autofill {
16
17class AutofillDriver;
18class AutofillExternalDelegate;
19class AutofillClient;
20struct FormData;
21
22// Per-tab Autocomplete history manager. Handles receiving form data
23// from the renderer and the storing and retrieving of form data
24// through WebDataServiceBase.
25class AutocompleteHistoryManager : public WebDataServiceConsumer {
26 public:
27  AutocompleteHistoryManager(AutofillDriver* driver,
28                             AutofillClient* autofill_client);
29  virtual ~AutocompleteHistoryManager();
30
31  // WebDataServiceConsumer implementation.
32  virtual void OnWebDataServiceRequestDone(
33      WebDataServiceBase::Handle h,
34      const WDTypedResult* result) OVERRIDE;
35
36  // Pass-through functions that are called by AutofillManager, after it has
37  // dispatched a message.
38  void OnGetAutocompleteSuggestions(
39      int query_id,
40      const base::string16& name,
41      const base::string16& prefix,
42      const std::string form_control_type,
43      const std::vector<base::string16>& autofill_values,
44      const std::vector<base::string16>& autofill_labels,
45      const std::vector<base::string16>& autofill_icons,
46      const std::vector<int>& autofill_unique_ids);
47  virtual void OnFormSubmitted(const FormData& form);
48
49  // Cancels the currently pending WebDataService query, if there is one.
50  void CancelPendingQuery();
51
52  // Must be public for the external delegate to use.
53  void OnRemoveAutocompleteEntry(const base::string16& name,
54                                 const base::string16& value);
55
56  // Sets our external delegate.
57  void SetExternalDelegate(AutofillExternalDelegate* delegate);
58
59 protected:
60  friend class AutofillManagerTest;
61
62  // Sends the given |suggestions| for display in the Autofill popup.
63  void SendSuggestions(const std::vector<base::string16>* suggestions);
64
65 private:
66  // Provides driver-level context. Must outlive this object.
67  AutofillDriver* driver_;
68  scoped_refptr<AutofillWebDataService> database_;
69
70  // When the manager makes a request from WebDataServiceBase, the database is
71  // queried on another thread, we record the query handle until we get called
72  // back.  We also store the autofill results so we can send them together.
73  WebDataServiceBase::Handle pending_query_handle_;
74  int query_id_;
75  std::vector<base::string16> autofill_values_;
76  std::vector<base::string16> autofill_labels_;
77  std::vector<base::string16> autofill_icons_;
78  std::vector<int> autofill_unique_ids_;
79
80  // Delegate to perform external processing (display, selection) on
81  // our behalf.  Weak.
82  AutofillExternalDelegate* external_delegate_;
83
84  // Delegate to provide whether or not autocomplete functionality is enabled.
85  AutofillClient* const autofill_client_;
86
87  // Whether IPC is sent.
88  bool send_ipc_;
89
90  DISALLOW_COPY_AND_ASSIGN(AutocompleteHistoryManager);
91};
92
93}  // namespace autofill
94
95#endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
96