components/proximity_auth/cryptauth/cryptauth_gcm_manager_impl.h

   1 // Copyright 2015 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_PROXIMITY_AUTH_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_IMPL_H
   6 #define COMPONENTS_PROXIMITY_AUTH_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_IMPL_H
   7
   8 #include "base/macros.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "base/observer_list.h"
  11 #include "components/gcm_driver/common/gcm_messages.h"
  12 #include "components/gcm_driver/gcm_app_handler.h"
  13 #include "components/gcm_driver/gcm_client.h"
  14 #include "components/proximity_auth/cryptauth/cryptauth_gcm_manager.h"
  15
  16 class PrefService;
  17
  18 namespace gcm {
  19 class GCMDriver;
  20 };
  21
  22 namespace proximity_auth {
  23
  24 // Implementation of CryptAuthGCMManager.
  25 class CryptAuthGCMManagerImpl : public CryptAuthGCMManager,
  26                                 public gcm::GCMAppHandler {
  27  public:
  28   // Creates the manager:
  29   // |gcm_driver|: Handles the actual GCM communications. The driver is not
  30   //     owned and must outlive this instance.
  31   // |pref_service|: Contains preferences across browser restarts, and should
  32   //     have been registered through RegisterPrefs(). The service is not owned
  33   //     and must outlive this instance.
  34   CryptAuthGCMManagerImpl(gcm::GCMDriver* gcm_driver,
  35                           PrefService* pref_service);
  36
  37   ~CryptAuthGCMManagerImpl() override;
  38
  39   // CryptAuthGCMManager:
  40   void StartListening() override;
  41   void RegisterWithGCM() override;
  42   std::string GetRegistrationId() override;
  43   void AddObserver(Observer* observer) override;
  44   void RemoveObserver(Observer* observer) override;
  45
  46  private:
  47   // GCMAppHandler:
  48   void ShutdownHandler() override;
  49   void OnMessage(const std::string& app_id,
  50                  const gcm::IncomingMessage& message) override;
  51   void OnMessagesDeleted(const std::string& app_id) override;
  52   void OnSendError(const std::string& app_id,
  53                    const gcm::GCMClient::SendErrorDetails& details) override;
  54   void OnSendAcknowledged(const std::string& app_id,
  55                           const std::string& message_id) override;
  56
  57   // Called when GCM registration completes.
  58   void OnRegistrationCompleted(const std::string& registration_id,
  59                                gcm::GCMClient::Result result);
  60
  61   // Handles the communications with GCM. Not owned.
  62   gcm::GCMDriver* gcm_driver_;
  63
  64   // Manages preferences across process restarts. Not owned.
  65   PrefService* pref_service_;
  66
  67   // Whether a GCM registration is currently being processed.
  68   bool registration_in_progress_;
  69
  70   // List of observers.
  71   base::ObserverList<Observer> observers_;
  72
  73   base::WeakPtrFactory<CryptAuthGCMManagerImpl> weak_ptr_factory_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(CryptAuthGCMManagerImpl);
  76 };
  77
  78 }  // namespace proximity_auth
  79
  80 #endif  // COMPONENTS_PROXIMITY_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_IMPL_H