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// Copyright (c) 2012 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_SYNC_GLUE_DEVICE_INFO_H_
#define CHROME_BROWSER_SYNC_GLUE_DEVICE_INFO_H_
#include <string>
#include "base/basictypes.h"
#include "base/bind.h"
#include "sync/protocol/sync.pb.h"
namespace base {
class DictionaryValue;
}
namespace chrome {
class VersionInfo;
}
namespace browser_sync {
// A class that holds information regarding the properties of a device.
class DeviceInfo {
public:
DeviceInfo(const std::string& guid,
const std::string& client_name,
const std::string& chrome_version,
const std::string& sync_user_agent,
const sync_pb::SyncEnums::DeviceType device_type);
~DeviceInfo();
// Sync specific unique identifier for the device. Note if a device
// is wiped and sync is set up again this id WILL be different.
// The same device might have more than 1 guid if the device has multiple
// accounts syncing.
const std::string& guid() const;
// The host name for the client.
const std::string& client_name() const;
// Chrome version string.
const std::string& chrome_version() const;
// The user agent is the combination of OS type, chrome version and which
// channel of chrome(stable or beta). For more information see
// |DeviceInfo::MakeUserAgentForSyncApi|.
const std::string& sync_user_agent() const;
// Third party visible id for the device. See |public_id_| for more details.
const std::string& public_id() const;
// Device Type.
sync_pb::SyncEnums::DeviceType device_type() const;
// Gets the OS in string form.
std::string GetOSString() const;
// Gets the device type in string form.
std::string GetDeviceTypeString() const;
// Compares this object's fields with another's.
bool Equals(const DeviceInfo& other) const;
// Apps can set ids for a device that is meaningful to them but
// not unique enough so the user can be tracked. Exposing |guid|
// would lead to a stable unique id for a device which can potentially
// be used for tracking.
void set_public_id(std::string id);
// Converts the |DeviceInfo| values to a JS friendly DictionaryValue,
// which extension APIs can expose to third party apps.
base::DictionaryValue* ToValue();
static sync_pb::SyncEnums::DeviceType GetLocalDeviceType();
// Creates a |DeviceInfo| object representing the local device and passes
// it as parameter to the callback.
static void CreateLocalDeviceInfo(
const std::string& guid,
base::Callback<void(const DeviceInfo& local_info)> callback);
// Gets the local device name and passes it as a parameter to callback.
static void GetClientName(
base::Callback<void(const std::string& local_info)> callback);
// Helper to construct a user agent string (ASCII) suitable for use by
// the syncapi for any HTTP communication. This string is used by the sync
// backend for classifying client types when calculating statistics.
static std::string MakeUserAgentForSyncApi(
const chrome::VersionInfo& version_info);
private:
static void GetClientNameContinuation(
base::Callback<void(const std::string& local_info)> callback,
const std::string& session_name);
static void CreateLocalDeviceInfoContinuation(
const std::string& guid,
base::Callback<void(const DeviceInfo& local_info)> callback,
const std::string& session_name);
const std::string guid_;
const std::string client_name_;
const std::string chrome_version_;
const std::string sync_user_agent_;
const sync_pb::SyncEnums::DeviceType device_type_;
// Exposing |guid| would lead to a stable unique id for a device which
// can potentially be used for tracking. Public ids are privacy safe
// ids in that the same device will have different id for different apps
// and they are also reset when app/extension is uninstalled.
std::string public_id_;
DISALLOW_COPY_AND_ASSIGN(DeviceInfo);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_GLUE_DEVICE_INFO_H_
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