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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_IMPL_H_
#define COMPONENTS_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_IMPL_H_
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "components/cryptauth/cryptauth_gcm_manager.h"
#include "components/gcm_driver/common/gcm_messages.h"
#include "components/gcm_driver/gcm_app_handler.h"
#include "components/gcm_driver/gcm_client.h"
class PrefService;
namespace gcm {
class GCMDriver;
};
namespace cryptauth {
// Implementation of CryptAuthGCMManager.
class CryptAuthGCMManagerImpl : public CryptAuthGCMManager,
public gcm::GCMAppHandler {
public:
class Factory {
public:
static std::unique_ptr<CryptAuthGCMManager> NewInstance(
gcm::GCMDriver* gcm_driver,
PrefService* pref_service);
static void SetInstanceForTesting(Factory* factory);
protected:
virtual ~Factory();
virtual std::unique_ptr<CryptAuthGCMManager> BuildInstance(
gcm::GCMDriver* gcm_driver,
PrefService* pref_service);
private:
static Factory* factory_instance_;
};
~CryptAuthGCMManagerImpl() override;
// CryptAuthGCMManager:
void StartListening() override;
void RegisterWithGCM() override;
std::string GetRegistrationId() override;
void AddObserver(Observer* observer) override;
void RemoveObserver(Observer* observer) override;
protected:
// Creates the manager:
// |gcm_driver|: Handles the actual GCM communications. The driver is not
// owned and must outlive this instance.
// |pref_service|: Contains preferences across browser restarts, and should
// have been registered through RegisterPrefs(). The service is not owned
// and must outlive this instance.
CryptAuthGCMManagerImpl(gcm::GCMDriver* gcm_driver,
PrefService* pref_service);
private:
friend class CryptAuthGCMManagerImplTest;
// GCMAppHandler:
void ShutdownHandler() override;
void OnStoreReset() override;
void OnMessage(const std::string& app_id,
const gcm::IncomingMessage& message) override;
void OnMessagesDeleted(const std::string& app_id) override;
void OnSendError(const std::string& app_id,
const gcm::GCMClient::SendErrorDetails& details) override;
void OnSendAcknowledged(const std::string& app_id,
const std::string& message_id) override;
// Called when GCM registration completes.
void OnRegistrationCompleted(const std::string& registration_id,
gcm::GCMClient::Result result);
// Handles the communications with GCM. Not owned.
gcm::GCMDriver* gcm_driver_;
// Manages preferences across process restarts. Not owned.
PrefService* pref_service_;
// Whether a GCM registration is currently being processed.
bool registration_in_progress_;
// List of observers.
base::ObserverList<Observer> observers_;
base::WeakPtrFactory<CryptAuthGCMManagerImpl> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(CryptAuthGCMManagerImpl);
};
} // namespace cryptauth
#endif // COMPONENTS_CRYPTAUTH_CRYPTAUTH_GCM_MANAGER_IMPL_H_
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