blob: 5917add8ff7c36d9d6631dca070871dc2c7d5830 [file] [log] [blame]
// 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.
#include <memory>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/strings/string16.h"
#include "device/geolocation/geolocation_export.h"
#include "device/geolocation/wifi_data_provider.h"
#include "net/url_request/url_fetcher_delegate.h"
#include "url/gurl.h"
namespace net {
class URLFetcher;
class URLRequestContextGetter;
namespace device {
struct Geoposition;
// Takes wifi data and sends it to a server to get a position fix.
// It performs formatting of the request and interpretation of the response.
class NetworkLocationRequest : private net::URLFetcherDelegate {
// ID passed to URLFetcher::Create(). Used for testing.
DEVICE_GEOLOCATION_EXPORT static int url_fetcher_id_for_tests;
// Called when a new geo position is available. The second argument indicates
// whether there was a server error or not. It is true when there was a
// server or network error - either no response or a 500 error code.
typedef base::Callback<void(const Geoposition& /* position */,
bool /* server_error */,
const base::string16& /* access_token */,
const WifiData& /* wifi_data */)>
// |url| is the server address to which the request wil be sent.
const scoped_refptr<net::URLRequestContextGetter>& context,
const GURL& url,
LocationResponseCallback callback);
~NetworkLocationRequest() override;
// Makes a new request. Returns true if the new request was successfully
// started. In all cases, any currently pending request will be canceled.
bool MakeRequest(const base::string16& access_token,
const WifiData& wifi_data,
const base::Time& wifi_timestamp);
bool is_request_pending() const { return url_fetcher_ != NULL; }
const GURL& url() const { return url_; }
// net::URLFetcherDelegate
void OnURLFetchComplete(const net::URLFetcher* source) override;
const scoped_refptr<net::URLRequestContextGetter> url_context_;
const LocationResponseCallback location_response_callback_;
const GURL url_;
std::unique_ptr<net::URLFetcher> url_fetcher_;
// Keep a copy of the data sent in the request, so we can refer back to it
// when the response arrives.
WifiData wifi_data_;
base::Time wifi_timestamp_;
// The start time for the request.
base::TimeTicks request_start_time_;
} // namespace device