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// Copyright 2015 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 COMPONENTS_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_H_
#define COMPONENTS_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_H_
#include <string>
class PrefRegistrySimple;
namespace cryptauth {
// Interface for the manager controlling GCM registrations and handling GCM push
// messages for CryptAuth. CryptAuth sends GCM messages to request the local
// device to re-enroll to get the freshest device state, and to notify the
// local device to resync the remote device list when this list changes.
class CryptAuthGCMManager {
public:
class Observer {
public:
virtual ~Observer();
// Called when a gcm registration attempt finishes with the |success| of the
// attempt.
virtual void OnGCMRegistrationResult(bool success);
// Called when a GCM message is received to re-enroll the device with
// CryptAuth.
virtual void OnReenrollMessage();
// Called when a GCM message is received to sync down new devices from
// CryptAuth.
virtual void OnResyncMessage();
};
virtual ~CryptAuthGCMManager() {}
// Registers the prefs used by the manager to the given |pref_service|.
static void RegisterPrefs(PrefRegistrySimple* registry);
// Starts listening to incoming GCM messages. If GCM registration is completed
// after this function is called, then messages will also be handled properly.
virtual void StartListening() = 0;
// Begins registration with GCM. The Observer::OnGCMRegistrationResult()
// observer function will be called when registration completes.
virtual void RegisterWithGCM() = 0;
// Returns the GCM registration id received from the last successful
// registration. If registration has not been performed, then an empty string
// will be returned.
virtual std::string GetRegistrationId() = 0;
// Adds an observer.
virtual void AddObserver(Observer* observer) = 0;
// Removes an observer.
virtual void RemoveObserver(Observer* observer) = 0;
};
} // namespace cryptauth
#endif // COMPONENTS_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_H_
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