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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_BROWSER_WEBDATA_AUTOFILL_WEBDATA_BACKEND_IMPL_H_ | |
6 #define COMPONENTS_AUTOFILL_BROWSER_WEBDATA_AUTOFILL_WEBDATA_BACKEND_IMPL_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "base/observer_list.h" | |
11 #include "base/supports_user_data.h" | |
12 #include "components/autofill/browser/webdata/autofill_webdata.h" | |
13 #include "components/autofill/browser/webdata/autofill_webdata_backend.h" | |
14 #include "components/autofill/core/common/form_field_data.h" | |
15 #include "components/webdata/common/web_data_results.h" | |
16 #include "components/webdata/common/web_data_service_base.h" | |
17 #include "components/webdata/common/web_data_service_consumer.h" | |
18 #include "components/webdata/common/web_database.h" | |
19 #include "content/public/browser/browser_thread.h" | |
20 | |
21 class WebDataServiceBackend; | |
22 | |
23 namespace autofill { | |
24 | |
25 class AutofillChange; | |
26 class AutofillProfile; | |
27 class AutofillWebDataServiceObserverOnDBThread; | |
28 class CreditCard; | |
29 | |
30 // Backend implentation for the AutofillWebDataService. This class runs on the | |
31 // DB thread, as it handles reads and writes to the WebDatabase, and functions | |
32 // in it should only be called from that thread. Most functions here are just | |
33 // the implementations of the corresponding functions in the Autofill | |
34 // WebDataService. | |
35 class AutofillWebDataBackendImpl | |
36 : public base::RefCountedThreadSafe<AutofillWebDataBackendImpl, | |
37 content::BrowserThread::DeleteOnDBThread>, | |
38 public AutofillWebDataBackend { | |
39 public: | |
40 // |web_database_backend| is used to access the WebDatabase directly for | |
41 // Sync-related operations. |on_changed_callback| is a closure which can be | |
42 // used to notify the UI thread of changes initiated by Sync (this callback | |
43 // may be called multiple times). | |
44 AutofillWebDataBackendImpl( | |
45 scoped_refptr<WebDataServiceBackend> web_database_backend, | |
46 const base::Closure& on_changed_callback); | |
47 | |
48 // AutofillWebDataBackend implementation. | |
49 virtual void AddObserver(AutofillWebDataServiceObserverOnDBThread* observer) | |
50 OVERRIDE; | |
51 virtual void RemoveObserver( | |
52 AutofillWebDataServiceObserverOnDBThread* observer) OVERRIDE; | |
53 virtual WebDatabase* GetDatabase() OVERRIDE; | |
54 virtual void RemoveExpiredFormElements() OVERRIDE; | |
55 virtual void NotifyOfMultipleAutofillChanges() OVERRIDE; | |
56 | |
57 // Returns a SupportsUserData objects that may be used to store data | |
58 // owned by the DB thread on this object. Should be called only from | |
59 // the DB thread, and will be destroyed on the DB thread soon after | |
60 // |ShutdownOnUIThread()| is called. | |
61 base::SupportsUserData* GetDBUserData(); | |
62 | |
63 void ResetUserData(); | |
64 | |
65 // Adds form fields to the web database. | |
66 WebDatabase::State AddFormElements(const std::vector<FormFieldData>& fields, | |
67 WebDatabase* db); | |
68 | |
69 // Returns a vector of values which have been entered in form input fields | |
70 // named |name|. | |
71 scoped_ptr<WDTypedResult> GetFormValuesForElementName( | |
72 const base::string16& name, | |
73 const base::string16& prefix, | |
74 int limit, | |
75 WebDatabase* db); | |
76 | |
77 // Returns true if there are any elements in the form. | |
78 scoped_ptr<WDTypedResult> HasFormElements(WebDatabase* db); | |
79 | |
80 // Removes form elements recorded for Autocomplete from the database. | |
81 WebDatabase::State RemoveFormElementsAddedBetween( | |
82 const base::Time& delete_begin, | |
83 const base::Time& delete_end, | |
84 WebDatabase* db); | |
85 | |
86 | |
87 // Removes the Form-value |value| which has been entered in form input fields | |
88 // named |name| from the database. | |
89 WebDatabase::State RemoveFormValueForElementName(const base::string16& name, | |
90 const base::string16& value, | |
91 WebDatabase* db); | |
92 | |
93 // Adds an Autofill profile to the web database. | |
94 WebDatabase::State AddAutofillProfile(const AutofillProfile& profile, | |
95 WebDatabase* db); | |
96 | |
97 // Updates an Autofill profile in the web database. | |
98 WebDatabase::State UpdateAutofillProfile(const AutofillProfile& profile, | |
99 WebDatabase* db); | |
100 | |
101 // Removes an Autofill profile from the web database. | |
102 WebDatabase::State RemoveAutofillProfile(const std::string& guid, | |
103 WebDatabase* db); | |
104 | |
105 // Returns all Autofill profiles from the web database. | |
106 scoped_ptr<WDTypedResult> GetAutofillProfiles(WebDatabase* db); | |
107 | |
108 // Adds a credit card to the web database. | |
109 WebDatabase::State AddCreditCard(const CreditCard& credit_card, | |
110 WebDatabase* db); | |
111 | |
112 // Updates a credit card in the web database. | |
113 WebDatabase::State UpdateCreditCard(const CreditCard& credit_card, | |
114 WebDatabase* db); | |
115 | |
116 // Removes a credit card from the web database. | |
117 WebDatabase::State RemoveCreditCard(const std::string& guid, | |
118 WebDatabase* db); | |
119 | |
120 // Returns a vector of all credit cards from the web database. | |
121 scoped_ptr<WDTypedResult> GetCreditCards(WebDatabase* db); | |
122 | |
123 // Removes Autofill records from the database. | |
124 WebDatabase::State RemoveAutofillDataModifiedBetween( | |
125 const base::Time& delete_begin, | |
126 const base::Time& delete_end, | |
127 WebDatabase* db); | |
128 | |
129 // Removes origin URLs associated with Autofill profiles and credit cards from | |
130 // the database. | |
131 WebDatabase::State RemoveOriginURLsModifiedBetween( | |
132 const base::Time& delete_begin, | |
133 const base::Time& delete_end, | |
134 WebDatabase* db); | |
135 | |
136 protected: | |
137 virtual ~AutofillWebDataBackendImpl(); | |
138 | |
139 private: | |
140 friend struct content::BrowserThread::DeleteOnThread< | |
141 content::BrowserThread::DB>; | |
142 friend class base::DeleteHelper<AutofillWebDataBackendImpl>; | |
143 // We have to friend RCTS<> so WIN shared-lib build is happy | |
144 // (http://crbug/112250). | |
145 friend class base::RefCountedThreadSafe<AutofillWebDataBackendImpl, | |
146 content::BrowserThread::DeleteOnDBThread>; | |
147 | |
148 // This makes the destructor public, and thus allows us to aggregate | |
149 // SupportsUserData. It is private by default to prevent incorrect | |
150 // usage in class hierarchies where it is inherited by | |
151 // reference-counted objects. | |
152 class SupportsUserDataAggregatable : public base::SupportsUserData { | |
153 public: | |
154 SupportsUserDataAggregatable() {} | |
155 virtual ~SupportsUserDataAggregatable() {} | |
156 private: | |
157 DISALLOW_COPY_AND_ASSIGN(SupportsUserDataAggregatable); | |
158 }; | |
159 | |
160 // Storage for user data to be accessed only on the DB thread. May | |
161 // be used e.g. for SyncableService subclasses that need to be owned | |
162 // by this object. Is created on first call to |GetDBUserData()|. | |
163 scoped_ptr<SupportsUserDataAggregatable> user_data_; | |
164 | |
165 WebDatabase::State RemoveExpiredFormElementsImpl(WebDatabase* db); | |
166 | |
167 // Callbacks to ensure that sensitive info is destroyed if request is | |
168 // cancelled. | |
169 void DestroyAutofillProfileResult(const WDTypedResult* result); | |
170 void DestroyAutofillCreditCardResult(const WDTypedResult* result); | |
171 | |
172 ObserverList<AutofillWebDataServiceObserverOnDBThread> db_observer_list_; | |
173 | |
174 // WebDataServiceBackend allows direct access to DB. | |
175 // TODO(caitkp): Make it so nobody but us needs direct DB access anymore. | |
176 scoped_refptr<WebDataServiceBackend> web_database_backend_; | |
177 | |
178 base::Closure on_changed_callback_; | |
179 | |
180 DISALLOW_COPY_AND_ASSIGN(AutofillWebDataBackendImpl); | |
181 }; | |
182 | |
183 } // namespace autofill | |
184 | |
185 #endif // COMPONENTS_AUTOFILL_BROWSER_WEBDATA_AUTOFILL_WEBDATA_BACKEND_IMPL_H_ | |
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