components/webdata_services/web_data_service_wrapper.h

   1 // Copyright 2014 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_WEBDATA_SERVICES_WEB_DATA_SERVICE_WRAPPER_H_
   6 #define COMPONENTS_WEBDATA_SERVICES_WEB_DATA_SERVICE_WRAPPER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback_forward.h"
  11 #include "base/macros.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "components/keyed_service/core/keyed_service.h"
  14 #include "sql/init_status.h"
  15 #include "sync/api/syncable_service.h"
  16
  17 class KeywordWebDataService;
  18 class TokenWebData;
  19 class WebDatabaseService;
  20
  21 #if defined(OS_WIN)
  22 class PasswordWebDataService;
  23 #endif
  24
  25 namespace autofill {
  26 class AutofillWebDataBackend;
  27 class AutofillWebDataService;
  28 }  // namespace autofill
  29
  30 namespace base {
  31 class FilePath;
  32 class SingleThreadTaskRunner;
  33 }  // namespace base
  34
  35 // WebDataServiceWrapper is a KeyedService that owns multiple WebDataServices
  36 // so that they can be associated with a context.
  37 class WebDataServiceWrapper : public KeyedService {
  38  public:
  39   // ErrorType indicates which service encountered an error loading its data.
  40   enum ErrorType {
  41     ERROR_LOADING_AUTOFILL,
  42     ERROR_LOADING_KEYWORD,
  43     ERROR_LOADING_TOKEN,
  44     ERROR_LOADING_PASSWORD,
  45   };
  46
  47   // Shows an error message if a loading error occurs.
  48   using ShowErrorCallback = void (*)(ErrorType, sql::InitStatus);
  49
  50   // Constructor for WebDataServiceWrapper that initializes the different
  51   // WebDataServices and starts the synchronization services using |flare|.
  52   // Since |flare| will be copied and called multiple times, it cannot bind
  53   // values using base::Owned nor base::Passed; it should only bind simple or
  54   // refcounted types.
  55   WebDataServiceWrapper(
  56       const base::FilePath& context_path,
  57       const std::string& application_locale,
  58       const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread,
  59       const scoped_refptr<base::SingleThreadTaskRunner>& db_thread,
  60       const syncer::SyncableService::StartSyncFlare& flare,
  61       ShowErrorCallback show_error_callback);
  62   ~WebDataServiceWrapper() override;
  63
  64   // For testing.
  65   WebDataServiceWrapper();
  66
  67   // KeyedService:
  68   void Shutdown() override;
  69
  70   // Create the various types of service instances.  These methods are virtual
  71   // for testing purpose.
  72   virtual scoped_refptr<autofill::AutofillWebDataService> GetAutofillWebData();
  73   virtual scoped_refptr<KeywordWebDataService> GetKeywordWebData();
  74   virtual scoped_refptr<TokenWebData> GetTokenWebData();
  75 #if defined(OS_WIN)
  76   virtual scoped_refptr<PasswordWebDataService> GetPasswordWebData();
  77 #endif
  78
  79  private:
  80   scoped_refptr<WebDatabaseService> web_database_;
  81
  82   scoped_refptr<autofill::AutofillWebDataService> autofill_web_data_;
  83   scoped_refptr<KeywordWebDataService> keyword_web_data_;
  84   scoped_refptr<TokenWebData> token_web_data_;
  85
  86 #if defined(OS_WIN)
  87   scoped_refptr<PasswordWebDataService> password_web_data_;
  88 #endif
  89
  90   DISALLOW_COPY_AND_ASSIGN(WebDataServiceWrapper);
  91 };
  92
  93 #endif  // COMPONENTS_WEBDATA_SERVICES_WEB_DATA_SERVICE_WRAPPER_H_