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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_TIMEZONE_TIMEZONE_PROVIDER_H_
#define CHROMEOS_ASH_COMPONENTS_TIMEZONE_TIMEZONE_PROVIDER_H_
#include <memory>
#include <vector>
#include "base/component_export.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "chromeos/ash/components/timezone/timezone_request.h"
#include "url/gurl.h"
namespace network {
class SharedURLLoaderFactory;
} // namespace network
namespace ash {
struct Geoposition;
// This class implements Google TimeZone API.
//
// Note: this should probably be a singleton to monitor requests rate.
// But as it is used only from WizardController, it can be owned by it for now.
class COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_TIMEZONE) TimeZoneProvider {
public:
TimeZoneProvider(scoped_refptr<network::SharedURLLoaderFactory> factory,
const GURL& url);
TimeZoneProvider(const TimeZoneProvider&) = delete;
TimeZoneProvider& operator=(const TimeZoneProvider&) = delete;
virtual ~TimeZoneProvider();
// Initiates new request (See TimeZoneRequest for parameters description.)
void RequestTimezone(const Geoposition& position,
base::TimeDelta timeout,
TimeZoneRequest::TimeZoneResponseCallback callback);
private:
friend class TestTimeZoneAPILoaderFactory;
// Deletes request from requests_.
void OnTimezoneResponse(TimeZoneRequest* request,
TimeZoneRequest::TimeZoneResponseCallback callback,
std::unique_ptr<TimeZoneResponseData> timezone,
bool server_error);
scoped_refptr<network::SharedURLLoaderFactory> shared_url_loader_factory_;
const GURL url_;
// Requests in progress.
// TimeZoneProvider owns all requests, so this vector is deleted on destroy.
std::vector<std::unique_ptr<TimeZoneRequest>> requests_;
// Creation and destruction should happen on the same thread.
THREAD_CHECKER(thread_checker_);
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_TIMEZONE_TIMEZONE_PROVIDER_H_
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