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