components/invalidation/gcm_invalidation_bridge.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_INVALIDATION_GCM_INVALIDATION_BRIDGE_H_
   6 #define COMPONENTS_INVALIDATION_GCM_INVALIDATION_BRIDGE_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "base/threading/non_thread_safe.h"
  12 #include "components/gcm_driver/gcm_app_handler.h"
  13 #include "components/gcm_driver/gcm_client.h"
  14 #include "components/gcm_driver/gcm_connection_observer.h"
  15 #include "components/invalidation/gcm_network_channel_delegate.h"
  16 #include "google_apis/gaia/oauth2_token_service.h"
  17
  18 class IdentityProvider;
  19
  20 namespace base {
  21 class SingleThreadTaskRunner;
  22 }  // namespace base
  23
  24 namespace gcm {
  25 class GCMDriver;
  26 }  // namespace gcm
  27
  28 namespace invalidation {
  29
  30 // GCMInvalidationBridge and GCMInvalidationBridge::Core implement functions
  31 // needed for GCMNetworkChannel. GCMInvalidationBridge lives on UI thread while
  32 // Core lives on IO thread. Core implements GCMNetworkChannelDelegate and posts
  33 // all function calls to GCMInvalidationBridge which does actual work to perform
  34 // them.
  35 class GCMInvalidationBridge : public gcm::GCMAppHandler,
  36                               public gcm::GCMConnectionObserver,
  37                               public OAuth2TokenService::Consumer,
  38                               public base::NonThreadSafe {
  39  public:
  40   class Core;
  41
  42   GCMInvalidationBridge(gcm::GCMDriver* gcm_driver,
  43                         IdentityProvider* identity_provider);
  44   ~GCMInvalidationBridge() override;
  45
  46   // OAuth2TokenService::Consumer implementation.
  47   void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
  48                          const std::string& access_token,
  49                          const base::Time& expiration_time) override;
  50   void OnGetTokenFailure(const OAuth2TokenService::Request* request,
  51                          const GoogleServiceAuthError& error) override;
  52
  53   // gcm::GCMAppHandler implementation.
  54   void ShutdownHandler() override;
  55   void OnMessage(const std::string& app_id,
  56                  const gcm::GCMClient::IncomingMessage& message) override;
  57   void OnMessagesDeleted(const std::string& app_id) override;
  58   void OnSendError(
  59       const std::string& app_id,
  60       const gcm::GCMClient::SendErrorDetails& send_error_details) override;
  61   void OnSendAcknowledged(const std::string& app_id,
  62                           const std::string& message_id) override;
  63
  64   // gcm::GCMConnectionObserver implementation.
  65   void OnConnected(const net::IPEndPoint& ip_endpoint) override;
  66   void OnDisconnected() override;
  67
  68   scoped_ptr<syncer::GCMNetworkChannelDelegate> CreateDelegate();
  69
  70   void CoreInitializationDone(
  71       base::WeakPtr<Core> core,
  72       scoped_refptr<base::SingleThreadTaskRunner> core_thread_task_runner);
  73
  74   // Functions reflecting GCMNetworkChannelDelegate interface. These are called
  75   // on UI thread to perform actual work.
  76   void RequestToken(
  77       syncer::GCMNetworkChannelDelegate::RequestTokenCallback callback);
  78   void InvalidateToken(const std::string& token);
  79
  80   void Register(syncer::GCMNetworkChannelDelegate::RegisterCallback callback);
  81
  82   void SubscribeForIncomingMessages();
  83
  84   void RegisterFinished(
  85       syncer::GCMNetworkChannelDelegate::RegisterCallback callback,
  86       const std::string& registration_id,
  87       gcm::GCMClient::Result result);
  88
  89   void Unregister();
  90
  91   static void UnregisterFinishedNoOp(gcm::GCMClient::Result result);
  92
  93  private:
  94   gcm::GCMDriver* const gcm_driver_;
  95   IdentityProvider* const identity_provider_;
  96
  97   base::WeakPtr<Core> core_;
  98   scoped_refptr<base::SingleThreadTaskRunner> core_thread_task_runner_;
  99
 100   // Fields related to RequestToken function.
 101   scoped_ptr<OAuth2TokenService::Request> access_token_request_;
 102   syncer::GCMNetworkChannelDelegate::RequestTokenCallback
 103       request_token_callback_;
 104   bool subscribed_for_incoming_messages_;
 105
 106   base::WeakPtrFactory<GCMInvalidationBridge> weak_factory_;
 107
 108   DISALLOW_COPY_AND_ASSIGN(GCMInvalidationBridge);
 109 };
 110
 111 }  // namespace invalidation
 112
 113 #endif  // COMPONENTS_INVALIDATION_GCM_INVALIDATION_BRIDGE_H_