chrome/browser/sync/glue/local_device_info_provider_impl.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 CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
   6 #define CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "components/sync_driver/device_info.h"
  10 #include "components/sync_driver/local_device_info_provider.h"
  11
  12 namespace chrome {
  13 class VersionInfo;
  14 }
  15
  16 namespace browser_sync {
  17
  18 class LocalDeviceInfoProviderImpl
  19     : public sync_driver::LocalDeviceInfoProvider {
  20  public:
  21   LocalDeviceInfoProviderImpl();
  22   ~LocalDeviceInfoProviderImpl() override;
  23
  24   // LocalDeviceInfoProvider implementation.
  25   const sync_driver::DeviceInfo* GetLocalDeviceInfo() const override;
  26   std::string GetLocalSyncCacheGUID() const override;
  27   void Initialize(const std::string& cache_guid,
  28                   const std::string& signin_scoped_device_id) override;
  29   scoped_ptr<Subscription> RegisterOnInitializedCallback(
  30       const base::Closure& callback) override;
  31
  32   // Helper to construct a user agent string (ASCII) suitable for use by
  33   // the syncapi for any HTTP communication. This string is used by the sync
  34   // backend for classifying client types when calculating statistics.
  35   static std::string MakeUserAgentForSyncApi(
  36       const chrome::VersionInfo& version_info);
  37
  38  private:
  39   void InitializeContinuation(const std::string& guid,
  40                               const std::string& signin_scoped_device_id,
  41                               const std::string& session_name);
  42
  43   std::string cache_guid_;
  44   scoped_ptr<sync_driver::DeviceInfo> local_device_info_;
  45   base::CallbackList<void(void)> callback_list_;
  46   base::WeakPtrFactory<LocalDeviceInfoProviderImpl> weak_factory_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(LocalDeviceInfoProviderImpl);
  49 };
  50
  51 }  // namespace browser_sync
  52
  53 #endif  // CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_