| // Copyright 2013 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 COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_BACKEND_IMPL_H_ |
| #define COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_BACKEND_IMPL_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/ref_counted_delete_on_message_loop.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/supports_user_data.h" |
| #include "components/autofill/core/browser/webdata/autofill_webdata.h" |
| #include "components/autofill/core/browser/webdata/autofill_webdata_backend.h" |
| #include "components/autofill/core/common/form_field_data.h" |
| #include "components/webdata/common/web_data_results.h" |
| #include "components/webdata/common/web_data_service_base.h" |
| #include "components/webdata/common/web_data_service_consumer.h" |
| #include "components/webdata/common/web_database.h" |
| |
| namespace base { |
| class MessageLoopProxy; |
| } |
| |
| class WebDataServiceBackend; |
| |
| namespace autofill { |
| |
| class AutofillChange; |
| class AutofillProfile; |
| class AutofillWebDataServiceObserverOnDBThread; |
| class CreditCard; |
| |
| // Backend implentation for the AutofillWebDataService. This class runs on the |
| // DB thread, as it handles reads and writes to the WebDatabase, and functions |
| // in it should only be called from that thread. Most functions here are just |
| // the implementations of the corresponding functions in the Autofill |
| // WebDataService. |
| // This class is destroyed on the DB thread. |
| class AutofillWebDataBackendImpl |
| : public base::RefCountedDeleteOnMessageLoop<AutofillWebDataBackendImpl>, |
| public AutofillWebDataBackend { |
| public: |
| // |web_database_backend| is used to access the WebDatabase directly for |
| // Sync-related operations. |ui_thread| and |db_thread| are the threads that |
| // this class uses as its UI and DB threads respectively. |
| // |on_changed_callback| is a closure which can be used to notify the UI |
| // thread of changes initiated by Sync (this callback may be called multiple |
| // times). |
| AutofillWebDataBackendImpl( |
| scoped_refptr<WebDataServiceBackend> web_database_backend, |
| scoped_refptr<base::MessageLoopProxy> ui_thread, |
| scoped_refptr<base::MessageLoopProxy> db_thread, |
| const base::Closure& on_changed_callback); |
| |
| // AutofillWebDataBackend implementation. |
| virtual void AddObserver(AutofillWebDataServiceObserverOnDBThread* observer) |
| OVERRIDE; |
| virtual void RemoveObserver( |
| AutofillWebDataServiceObserverOnDBThread* observer) OVERRIDE; |
| virtual WebDatabase* GetDatabase() OVERRIDE; |
| virtual void RemoveExpiredFormElements() OVERRIDE; |
| virtual void NotifyOfMultipleAutofillChanges() OVERRIDE; |
| |
| // Returns a SupportsUserData objects that may be used to store data |
| // owned by the DB thread on this object. Should be called only from |
| // the DB thread, and will be destroyed on the DB thread soon after |
| // |ShutdownOnUIThread()| is called. |
| base::SupportsUserData* GetDBUserData(); |
| |
| void ResetUserData(); |
| |
| // Adds form fields to the web database. |
| WebDatabase::State AddFormElements(const std::vector<FormFieldData>& fields, |
| WebDatabase* db); |
| |
| // Returns a vector of values which have been entered in form input fields |
| // named |name|. |
| scoped_ptr<WDTypedResult> GetFormValuesForElementName( |
| const base::string16& name, |
| const base::string16& prefix, |
| int limit, |
| WebDatabase* db); |
| |
| // Returns true if there are any elements in the form. |
| scoped_ptr<WDTypedResult> HasFormElements(WebDatabase* db); |
| |
| // Removes form elements recorded for Autocomplete from the database. |
| WebDatabase::State RemoveFormElementsAddedBetween( |
| const base::Time& delete_begin, |
| const base::Time& delete_end, |
| WebDatabase* db); |
| |
| |
| // Removes the Form-value |value| which has been entered in form input fields |
| // named |name| from the database. |
| WebDatabase::State RemoveFormValueForElementName(const base::string16& name, |
| const base::string16& value, |
| WebDatabase* db); |
| |
| // Adds an Autofill profile to the web database. |
| WebDatabase::State AddAutofillProfile(const AutofillProfile& profile, |
| WebDatabase* db); |
| |
| // Updates an Autofill profile in the web database. |
| WebDatabase::State UpdateAutofillProfile(const AutofillProfile& profile, |
| WebDatabase* db); |
| |
| // Removes an Autofill profile from the web database. |
| WebDatabase::State RemoveAutofillProfile(const std::string& guid, |
| WebDatabase* db); |
| |
| // Returns all Autofill profiles from the web database. |
| scoped_ptr<WDTypedResult> GetAutofillProfiles(WebDatabase* db); |
| |
| // Adds a credit card to the web database. |
| WebDatabase::State AddCreditCard(const CreditCard& credit_card, |
| WebDatabase* db); |
| |
| // Updates a credit card in the web database. |
| WebDatabase::State UpdateCreditCard(const CreditCard& credit_card, |
| WebDatabase* db); |
| |
| // Removes a credit card from the web database. |
| WebDatabase::State RemoveCreditCard(const std::string& guid, |
| WebDatabase* db); |
| |
| // Returns a vector of all credit cards from the web database. |
| scoped_ptr<WDTypedResult> GetCreditCards(WebDatabase* db); |
| |
| // Removes Autofill records from the database. |
| WebDatabase::State RemoveAutofillDataModifiedBetween( |
| const base::Time& delete_begin, |
| const base::Time& delete_end, |
| WebDatabase* db); |
| |
| // Removes origin URLs associated with Autofill profiles and credit cards from |
| // the database. |
| WebDatabase::State RemoveOriginURLsModifiedBetween( |
| const base::Time& delete_begin, |
| const base::Time& delete_end, |
| WebDatabase* db); |
| |
| protected: |
| virtual ~AutofillWebDataBackendImpl(); |
| |
| private: |
| friend class base::RefCountedDeleteOnMessageLoop<AutofillWebDataBackendImpl>; |
| friend class base::DeleteHelper<AutofillWebDataBackendImpl>; |
| |
| // This makes the destructor public, and thus allows us to aggregate |
| // SupportsUserData. It is private by default to prevent incorrect |
| // usage in class hierarchies where it is inherited by |
| // reference-counted objects. |
| class SupportsUserDataAggregatable : public base::SupportsUserData { |
| public: |
| SupportsUserDataAggregatable() {} |
| virtual ~SupportsUserDataAggregatable() {} |
| private: |
| DISALLOW_COPY_AND_ASSIGN(SupportsUserDataAggregatable); |
| }; |
| |
| // The MessageLoopProxy that this class uses as its UI thread. |
| scoped_refptr<base::MessageLoopProxy> ui_thread_; |
| |
| // The MessageLoopProxy that this class uses as its DB thread. |
| scoped_refptr<base::MessageLoopProxy> db_thread_; |
| |
| // Storage for user data to be accessed only on the DB thread. May |
| // be used e.g. for SyncableService subclasses that need to be owned |
| // by this object. Is created on first call to |GetDBUserData()|. |
| scoped_ptr<SupportsUserDataAggregatable> user_data_; |
| |
| WebDatabase::State RemoveExpiredFormElementsImpl(WebDatabase* db); |
| |
| // Callbacks to ensure that sensitive info is destroyed if request is |
| // cancelled. |
| void DestroyAutofillProfileResult(const WDTypedResult* result); |
| void DestroyAutofillCreditCardResult(const WDTypedResult* result); |
| |
| ObserverList<AutofillWebDataServiceObserverOnDBThread> db_observer_list_; |
| |
| // WebDataServiceBackend allows direct access to DB. |
| // TODO(caitkp): Make it so nobody but us needs direct DB access anymore. |
| scoped_refptr<WebDataServiceBackend> web_database_backend_; |
| |
| base::Closure on_changed_callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AutofillWebDataBackendImpl); |
| }; |
| |
| } // namespace autofill |
| |
| #endif // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_BACKEND_IMPL_H_ |