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chrome/browser/services/gcm/gcm_profile_service.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_SERVICES_GCM_GCM_PROFILE_SERVICE_H_
 #define CHROME_BROWSER_SERVICES_GCM_GCM_PROFILE_SERVICE_H_
 
 #include <map>
+#include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ skipping 20 matching lines @@
 class GCMProfileServiceTestConsumer;
 
 // Acts as a bridge between GCM API and GCMClient layer. It is profile based.
 class GCMProfileService : public BrowserContextKeyedService,
                           public content::NotificationObserver {
  public:
   typedef base::Callback<void(const std::string& registration_id,
                               GCMClient::Result result)> RegisterCallback;
   typedef base::Callback<void(const std::string& message_id,
                               GCMClient::Result result)> SendCallback;
+  typedef base::Callback<void(const GCMClient::GCMStatistics& stats)>
+      RequestGCMStatisticsCallback;
 
+  // Any change made to this enum should have corresponding change in the
+  // GetGCMEnabledStateString(...) function.
   enum GCMEnabledState {
     // GCM is always enabled. GCMClient will always load and connect with GCM.
     ALWAYS_ENABLED,
     // GCM is only enabled for apps. GCMClient will start to load and connect
     // with GCM only when GCM API is used.
     ENABLED_FOR_APPS,
     // GCM is always disabled. GCMClient will never load and connect with GCM.
     ALWAYS_DISABLED
   };
 
   // For testing purpose.
   class TestingDelegate {
    public:
     virtual GCMEventRouter* GetEventRouter() const = 0;
   };
 
   // Returns the GCM enabled state.
   static GCMEnabledState GetGCMEnabledState(Profile* profile);
 
+  // Returns text representation of a GCMEnabledState enum entry.
+  static std::string GetGCMEnabledStateString(GCMEnabledState state);
+
   // Register profile-specific prefs for GCM.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   explicit GCMProfileService(Profile* profile);
   virtual ~GCMProfileService();
 
   void Initialize(scoped_ptr<GCMClientFactory> gcm_client_factory);
 
   // Registers |sender_id| for an app. A registration ID will be returned by
   // the GCM server.
@@ skipping 18 matching lines @@
                     const GCMClient::OutgoingMessage& message,
                     SendCallback callback);
 
   // For testing purpose.
   GCMClient* GetGCMClientForTesting() const;
 
   void set_testing_delegate(TestingDelegate* testing_delegate) {
     testing_delegate_ = testing_delegate;
   }
 
+  // Returns true if the profile is signed in.
+  bool IsSignedIn() const;
+
+  // Returns true if the gcm client is ready.
+  bool IsGCMClientReady() const;
+
+  // Get GCM client internal states and statistics. If it has not been created
+  // then stats won't be modified.
+  void RequestGCMStatistics(RequestGCMStatisticsCallback callback);
+
  private:
   friend class GCMProfileServiceTestConsumer;
 
   class DelayedTaskController;
   class IOWorker;
 
   struct RegistrationInfo {
     RegistrationInfo();
     ~RegistrationInfo();
     bool IsValid() const;
@@ skipping 55 matching lines @@
   void WriteRegisteredAppIDs();
 
   // Used to persist registration info into the app's state store.
   void DeleteRegistrationInfo(const std::string& app_id);
   void WriteRegistrationInfo(const std::string& app_id);
   void ReadRegistrationInfo(const std::string& app_id);
   void ReadRegistrationInfoFinished(const std::string& app_id,
                                     scoped_ptr<base::Value> value);
   bool ParsePersistedRegistrationInfo(scoped_ptr<base::Value> value,
                                       RegistrationInfo* registration_info);
+  void RequestGCMStatisticsFinished(GCMClient::GCMStatistics stats);
 
   // Returns the key used to identify the registration info saved into the
   // app's state store. Used for testing purpose.
   static const char* GetPersistentRegisterKeyForTesting();
 
   // The profile which owns this object.
   Profile* profile_;
 
   // Flag to indicate if GCMClient is ready.
   bool gcm_client_ready_;
 
   // The username of the signed-in profile.
   std::string username_;
 
   content::NotificationRegistrar registrar_;
 
   scoped_ptr<DelayedTaskController> delayed_task_controller_;
 
   // For all the work occured in IO thread.
   scoped_refptr<IOWorker> io_worker_;
 
   // Callback map (from app_id to callback) for Register.
   std::map<std::string, RegisterCallback> register_callbacks_;
 
   // Callback map (from <app_id, message_id> to callback) for Send.
   std::map<std::pair<std::string, std::string>, SendCallback> send_callbacks_;
 
+  // Callback for RequestGCMStatistics.
+  RequestGCMStatisticsCallback request_gcm_statistics_callback_;
+
   // Map from app_id to registration info (sender ids & registration ID).
   typedef std::map<std::string, RegistrationInfo> RegistrationInfoMap;
   RegistrationInfoMap registration_info_map_;
 
   // Event router to talk with JS API.
 #if !defined(OS_ANDROID)
   scoped_ptr<GCMEventRouter> js_event_router_;
 #endif
 
   // For testing purpose.
   TestingDelegate* testing_delegate_;
 
   // Used to pass a weak pointer to the IO worker.
   base::WeakPtrFactory<GCMProfileService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMProfileService);
 };
 
 }  // namespace gcm
 
 #endif  // CHROME_BROWSER_SERVICES_GCM_GCM_PROFILE_SERVICE_H_