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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 CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_
#define CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_vector.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "chrome/browser/chromeos/geolocation/simple_geolocation_request.h"
#include "url/gurl.h"
namespace net {
class URLRequestContextGetter;
}
namespace chromeos {
// This class implements Google Maps Geolocation API.
//
// SimpleGeolocationProvider must be created and used on the same thread.
//
// Note: this should probably be a singleton to monitor requests rate.
// But as it is used only diring ChromeOS Out-of-Box, it can be owned by
// WizardController for now.
class SimpleGeolocationProvider {
public:
SimpleGeolocationProvider(net::URLRequestContextGetter* url_context_getter,
const GURL& url);
virtual ~SimpleGeolocationProvider();
// Initiates new request (See SimpleGeolocationRequest for parameters
// description.)
void RequestGeolocation(base::TimeDelta timeout,
SimpleGeolocationRequest::ResponseCallback callback);
// Returns default geolocation service URL.
static GURL DefaultGeolocationProviderURL();
private:
friend class TestGeolocationAPIURLFetcherCallback;
// Geolocation response callback. Deletes request from requests_.
void OnGeolocationResponse(
SimpleGeolocationRequest* request,
SimpleGeolocationRequest::ResponseCallback callback,
const Geoposition& geoposition,
bool server_error,
const base::TimeDelta elapsed);
scoped_refptr<net::URLRequestContextGetter> url_context_getter_;
// URL of the Google Maps Geolocation API.
const GURL url_;
// Requests in progress.
// SimpleGeolocationProvider owns all requests, so this vector is deleted on
// destroy.
ScopedVector<SimpleGeolocationRequest> requests_;
// Creation and destruction should happen on the same thread.
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(SimpleGeolocationProvider);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_
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