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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 CHROMEOS_TIMEZONE_TIMEZONE_PROVIDER_H_
#define CHROMEOS_TIMEZONE_TIMEZONE_PROVIDER_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "chromeos/timezone/timezone_request.h"
#include "url/gurl.h"
namespace net {
class URLRequestContextGetter;
}
namespace chromeos {
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 CHROMEOS_EXPORT TimeZoneProvider {
public:
TimeZoneProvider(net::URLRequestContextGetter* url_context_getter,
const GURL& url);
virtual ~TimeZoneProvider();
// Initiates new request (See TimeZoneRequest for parameters description.)
void RequestTimezone(const Geoposition& position,
bool sensor,
base::TimeDelta timeout,
TimeZoneRequest::TimeZoneResponseCallback callback);
private:
friend class TestTimeZoneAPIURLFetcherCallback;
// Deletes request from requests_.
void OnTimezoneResponse(TimeZoneRequest* request,
TimeZoneRequest::TimeZoneResponseCallback callback,
scoped_ptr<TimeZoneResponseData> timezone,
bool server_error);
scoped_refptr<net::URLRequestContextGetter> url_context_getter_;
const GURL url_;
// Requests in progress.
// TimeZoneProvider owns all requests, so this vector is deleted on destroy.
ScopedVector<TimeZoneRequest> requests_;
// Creation and destruction should happen on the same thread.
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(TimeZoneProvider);
};
} // namespace chromeos
#endif // CHROMEOS_TIMEZONE_TIMEZONE_PROVIDER_H_