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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 AutofillEntry;
     31 class AutofillProfile;
     32 class AutofillWebDataBackend;
     33 class AutofillWebDataBackendImpl;
     34 class AutofillWebDataServiceObserverOnDBThread;
     35 class AutofillWebDataServiceObserverOnUIThread;
     36 class CreditCard;
     37 
     38 // API for Autofill web data.
     39 class AutofillWebDataService : public AutofillWebData,
     40                                public WebDataServiceBase {
     41  public:
     42   AutofillWebDataService(scoped_refptr<base::MessageLoopProxy> ui_thread,
     43                          scoped_refptr<base::MessageLoopProxy> db_thread);
     44   AutofillWebDataService(scoped_refptr<WebDatabaseService> wdbs,
     45                          scoped_refptr<base::MessageLoopProxy> ui_thread,
     46                          scoped_refptr<base::MessageLoopProxy> db_thread,
     47                          const ProfileErrorCallback& callback);
     48 
     49   // WebDataServiceBase implementation.
     50   virtual void ShutdownOnUIThread() OVERRIDE;
     51 
     52   // AutofillWebData implementation.
     53   virtual void AddFormFields(
     54       const std::vector<FormFieldData>& fields) OVERRIDE;
     55   virtual WebDataServiceBase::Handle GetFormValuesForElementName(
     56       const base::string16& name,
     57       const base::string16& prefix,
     58       int limit,
     59       WebDataServiceConsumer* consumer) OVERRIDE;
     60 
     61   virtual WebDataServiceBase::Handle HasFormElements(
     62       WebDataServiceConsumer* consumer) OVERRIDE;
     63   virtual void RemoveFormElementsAddedBetween(
     64       const base::Time& delete_begin, const base::Time& delete_end) OVERRIDE;
     65   virtual void RemoveFormValueForElementName(
     66       const base::string16& name,
     67       const base::string16& value) OVERRIDE;
     68   virtual void AddAutofillProfile(const AutofillProfile& profile) OVERRIDE;
     69   virtual void UpdateAutofillProfile(const AutofillProfile& profile) OVERRIDE;
     70   virtual void RemoveAutofillProfile(const std::string& guid) OVERRIDE;
     71   virtual WebDataServiceBase::Handle GetAutofillProfiles(
     72       WebDataServiceConsumer* consumer) OVERRIDE;
     73   virtual void UpdateAutofillEntries(
     74       const std::vector<AutofillEntry>& autofill_entries) OVERRIDE;
     75   virtual void AddCreditCard(const CreditCard& credit_card) OVERRIDE;
     76   virtual void UpdateCreditCard(const CreditCard& credit_card) OVERRIDE;
     77   virtual void RemoveCreditCard(const std::string& guid) OVERRIDE;
     78   virtual WebDataServiceBase::Handle GetCreditCards(
     79       WebDataServiceConsumer* consumer) OVERRIDE;
     80   virtual void RemoveAutofillDataModifiedBetween(
     81       const base::Time& delete_begin, const base::Time& delete_end) OVERRIDE;
     82   virtual void RemoveOriginURLsModifiedBetween(
     83       const base::Time& delete_begin, const base::Time& delete_end) OVERRIDE;
     84 
     85   void AddObserver(AutofillWebDataServiceObserverOnDBThread* observer);
     86   void RemoveObserver(AutofillWebDataServiceObserverOnDBThread* observer);
     87 
     88   void AddObserver(AutofillWebDataServiceObserverOnUIThread* observer);
     89   void RemoveObserver(AutofillWebDataServiceObserverOnUIThread* observer);
     90 
     91   // Returns a SupportsUserData objects that may be used to store data
     92   // owned by the DB thread on this object. Should be called only from
     93   // the DB thread, and will be destroyed on the DB thread soon after
     94   // |ShutdownOnUIThread()| is called.
     95   base::SupportsUserData* GetDBUserData();
     96 
     97   // Takes a callback which will be called on the DB thread with a pointer to an
     98   // |AutofillWebdataBackend|. This backend can be used to access or update the
     99   // WebDatabase directly on the DB thread.
    100   void GetAutofillBackend(
    101       const base::Callback<void(AutofillWebDataBackend*)>& callback);
    102 
    103  protected:
    104   virtual ~AutofillWebDataService();
    105 
    106   virtual void NotifyAutofillMultipleChangedOnUIThread();
    107 
    108   base::WeakPtr<AutofillWebDataService> AsWeakPtr() {
    109     return weak_ptr_factory_.GetWeakPtr();
    110   }
    111 
    112  private:
    113   ObserverList<AutofillWebDataServiceObserverOnUIThread> ui_observer_list_;
    114 
    115     // The MessageLoopProxy that this class uses as its UI thread.
    116   scoped_refptr<base::MessageLoopProxy> ui_thread_;
    117 
    118   // The MessageLoopProxy that this class uses as its DB thread.
    119   scoped_refptr<base::MessageLoopProxy> db_thread_;
    120 
    121   scoped_refptr<AutofillWebDataBackendImpl> autofill_backend_;
    122 
    123   // This factory is used on the UI thread. All vended weak pointers are
    124   // invalidated in ShutdownOnUIThread().
    125   base::WeakPtrFactory<AutofillWebDataService> weak_ptr_factory_;
    126 
    127   DISALLOW_COPY_AND_ASSIGN(AutofillWebDataService);
    128 };
    129 
    130 }  // namespace autofill
    131 
    132 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_SERVICE_H_
    133