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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_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_SERVICE_H_
      6 #define COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_SERVICE_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/memory/ref_counted.h"
     11 #include "base/memory/weak_ptr.h"
     12 #include "base/observer_list.h"
     13 #include "base/supports_user_data.h"
     14 #include "components/autofill/core/browser/webdata/autofill_webdata.h"
     15 #include "components/autofill/core/common/form_field_data.h"
     16 #include "components/webdata/common/web_data_results.h"
     17 #include "components/webdata/common/web_data_service_base.h"
     18 #include "components/webdata/common/web_data_service_consumer.h"
     19 #include "components/webdata/common/web_database.h"
     20 
     21 class WebDatabaseService;
     22 
     23 namespace base {
     24 class MessageLoopProxy;
     25 }
     26 
     27 namespace autofill {
     28 
     29 class AutofillChange;
     30 class AutofillProfile;
     31 class AutofillWebDataBackend;
     32 class AutofillWebDataBackendImpl;
     33 class AutofillWebDataServiceObserverOnDBThread;
     34 class AutofillWebDataServiceObserverOnUIThread;
     35 class CreditCard;
     36 
     37 // API for Autofill web data.
     38 class AutofillWebDataService : public AutofillWebData,
     39                                public WebDataServiceBase {
     40  public:
     41   AutofillWebDataService(scoped_refptr<base::MessageLoopProxy> ui_thread,
     42                          scoped_refptr<base::MessageLoopProxy> db_thread);
     43   AutofillWebDataService(scoped_refptr<WebDatabaseService> wdbs,
     44                          scoped_refptr<base::MessageLoopProxy> ui_thread,
     45                          scoped_refptr<base::MessageLoopProxy> db_thread,
     46                          const ProfileErrorCallback& callback);
     47 
     48   // WebDataServiceBase implementation.
     49   virtual void ShutdownOnUIThread() OVERRIDE;
     50 
     51   // AutofillWebData implementation.
     52   virtual void AddFormFields(
     53       const std::vector<FormFieldData>& fields) OVERRIDE;
     54   virtual WebDataServiceBase::Handle GetFormValuesForElementName(
     55       const base::string16& name,
     56       const base::string16& prefix,
     57       int limit,
     58       WebDataServiceConsumer* consumer) OVERRIDE;
     59 
     60   virtual WebDataServiceBase::Handle HasFormElements(
     61       WebDataServiceConsumer* consumer) OVERRIDE;
     62   virtual void RemoveFormElementsAddedBetween(
     63       const base::Time& delete_begin, const base::Time& delete_end) OVERRIDE;
     64   virtual void RemoveFormValueForElementName(
     65       const base::string16& name,
     66       const base::string16& value) OVERRIDE;
     67   virtual void AddAutofillProfile(const AutofillProfile& profile) OVERRIDE;
     68   virtual void UpdateAutofillProfile(const AutofillProfile& profile) OVERRIDE;
     69   virtual void RemoveAutofillProfile(const std::string& guid) OVERRIDE;
     70   virtual WebDataServiceBase::Handle GetAutofillProfiles(
     71       WebDataServiceConsumer* consumer) OVERRIDE;
     72   virtual void AddCreditCard(const CreditCard& credit_card) OVERRIDE;
     73   virtual void UpdateCreditCard(const CreditCard& credit_card) OVERRIDE;
     74   virtual void RemoveCreditCard(const std::string& guid) OVERRIDE;
     75   virtual WebDataServiceBase::Handle GetCreditCards(
     76       WebDataServiceConsumer* consumer) OVERRIDE;
     77   virtual void RemoveAutofillDataModifiedBetween(
     78       const base::Time& delete_begin, const base::Time& delete_end) OVERRIDE;
     79   virtual void RemoveOriginURLsModifiedBetween(
     80       const base::Time& delete_begin, const base::Time& delete_end) OVERRIDE;
     81 
     82   void AddObserver(AutofillWebDataServiceObserverOnDBThread* observer);
     83   void RemoveObserver(AutofillWebDataServiceObserverOnDBThread* observer);
     84 
     85   void AddObserver(AutofillWebDataServiceObserverOnUIThread* observer);
     86   void RemoveObserver(AutofillWebDataServiceObserverOnUIThread* observer);
     87 
     88   // Returns a SupportsUserData objects that may be used to store data
     89   // owned by the DB thread on this object. Should be called only from
     90   // the DB thread, and will be destroyed on the DB thread soon after
     91   // |ShutdownOnUIThread()| is called.
     92   base::SupportsUserData* GetDBUserData();
     93 
     94   // Takes a callback which will be called on the DB thread with a pointer to an
     95   // |AutofillWebdataBackend|. This backend can be used to access or update the
     96   // WebDatabase directly on the DB thread.
     97   void GetAutofillBackend(
     98       const base::Callback<void(AutofillWebDataBackend*)>& callback);
     99 
    100  protected:
    101   virtual ~AutofillWebDataService();
    102 
    103   virtual void NotifyAutofillMultipleChangedOnUIThread();
    104 
    105   base::WeakPtr<AutofillWebDataService> AsWeakPtr() {
    106     return weak_ptr_factory_.GetWeakPtr();
    107   }
    108 
    109  private:
    110   ObserverList<AutofillWebDataServiceObserverOnUIThread> ui_observer_list_;
    111 
    112     // The MessageLoopProxy that this class uses as its UI thread.
    113   scoped_refptr<base::MessageLoopProxy> ui_thread_;
    114 
    115   // The MessageLoopProxy that this class uses as its DB thread.
    116   scoped_refptr<base::MessageLoopProxy> db_thread_;
    117 
    118   // This factory is used on the UI thread. All vended weak pointers are
    119   // invalidated in ShutdownOnUIThread().
    120   base::WeakPtrFactory<AutofillWebDataService> weak_ptr_factory_;
    121 
    122   scoped_refptr<AutofillWebDataBackendImpl> autofill_backend_;
    123 
    124   DISALLOW_COPY_AND_ASSIGN(AutofillWebDataService);
    125 };
    126 
    127 }  // namespace autofill
    128 
    129 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_SERVICE_H_
    130