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// Copyright 2014 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 GOOGLE_APIS_GCM_ENGINE_GSERVICES_SETTINGS_H_
#define GOOGLE_APIS_GCM_ENGINE_GSERVICES_SETTINGS_H_
#include <map>
#include <string>
#include "base/memory/weak_ptr.h"
#include "google_apis/gcm/base/gcm_export.h"
#include "google_apis/gcm/engine/gcm_store.h"
#include "google_apis/gcm/protocol/checkin.pb.h"
namespace gcm {
// Class responsible for handling G-services settings. It takes care of
// extracting them from checkin response and storing in GCMStore.
class GCM_EXPORT GServicesSettings {
public:
// Minimum periodic checkin interval in seconds.
static const int64 kMinimumCheckinInterval;
// Create an instance of GServicesSettings class. |gcm_store| is used to store
// the settings after they are extracted from checkin response.
explicit GServicesSettings(GCMStore* gcm_store);
~GServicesSettings();
// Udpates the settings based on |checkin_response|.
void UpdateFromCheckinResponse(
const checkin_proto::AndroidCheckinResponse& checkin_response);
// Updates the settings based on |load_result|.
void UpdateFromLoadResult(const GCMStore::LoadResult& load_result);
const std::string& digest() const { return digest_; }
// TODO(fgorski): Consider returning TimeDelta.
int64 checkin_interval() const { return checkin_interval_; }
// TODO(fgorski): Consider returning GURL and use it for validation.
const std::string& checkin_url() const { return checkin_url_; }
// TODO(fgorski): Consider returning GURL and use it for validation.
const std::string& mcs_hostname() const { return mcs_hostname_; }
int mcs_secure_port() const { return mcs_secure_port_; }
// TODO(fgorski): Consider returning GURL and use it for validation.
const std::string& registration_url() const { return registration_url_; }
private:
// Parses the |settings| to fill in specific fields.
// TODO(fgorski): Change to a status variable that can be logged to UMA.
bool UpdateSettings(const std::map<std::string, std::string>& settings);
// Callback passed to GCMStore::SetGServicesSettings.
void SetGServicesSettingsCallback(bool success);
// GCM store to persist the settings. Not owned.
GCMStore* gcm_store_;
// Digest (hash) of the settings, used to check whether settings need update.
// It is meant to be sent with checkin request, instead of sending the whole
// settings table.
std::string digest_;
// Time in seconds between periodic checkins.
int64 checkin_interval_;
// URL that should be used for checkins.
std::string checkin_url_;
// Hostname of the MCS server.
std::string mcs_hostname_;
// Secure port to connect to on MCS sever.
int mcs_secure_port_;
// URL that should be used for regisrations and unregistrations.
std::string registration_url_;
// Factory for creating references in callbacks.
base::WeakPtrFactory<GServicesSettings> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(GServicesSettings);
};
} // namespace gcm
#endif // GOOGLE_APIS_GCM_ENGINE_GSERVICES_SETTINGS_H_
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