1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_BROWSER_GEOLOCATION_NETWORK_LOCATION_REQUEST_H_
6 #define CONTENT_BROWSER_GEOLOCATION_NETWORK_LOCATION_REQUEST_H_
8 #include "base/basictypes.h"
9 #include "base/memory/ref_counted.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "content/browser/geolocation/wifi_data_provider.h"
12 #include "content/common/content_export.h"
13 #include "net/url_request/url_fetcher_delegate.h"
18 class URLRequestContextGetter
;
24 // Takes wifi data and sends it to a server to get a position fix.
25 // It performs formatting of the request and interpretation of the response.
26 class NetworkLocationRequest
: private net::URLFetcherDelegate
{
28 // ID passed to URLFetcher::Create(). Used for testing.
29 CONTENT_EXPORT
static int url_fetcher_id_for_tests
;
31 // Called when a new geo position is available. The second argument indicates
32 // whether there was a server error or not. It is true when there was a
33 // server or network error - either no response or a 500 error code.
34 typedef base::Callback
<void(const Geoposition
& /* position */,
35 bool /* server_error */,
36 const base::string16
& /* access_token */,
37 const WifiData
& /* wifi_data */)>
38 LocationResponseCallback
;
40 // |url| is the server address to which the request wil be sent.
41 NetworkLocationRequest(net::URLRequestContextGetter
* context
,
43 LocationResponseCallback callback
);
44 virtual ~NetworkLocationRequest();
46 // Makes a new request. Returns true if the new request was successfully
47 // started. In all cases, any currently pending request will be canceled.
48 bool MakeRequest(const base::string16
& access_token
,
49 const WifiData
& wifi_data
,
50 const base::Time
& timestamp
);
52 bool is_request_pending() const { return url_fetcher_
!= NULL
; }
53 const GURL
& url() const { return url_
; }
56 // net::URLFetcherDelegate
57 virtual void OnURLFetchComplete(const net::URLFetcher
* source
) OVERRIDE
;
59 scoped_refptr
<net::URLRequestContextGetter
> url_context_
;
60 LocationResponseCallback callback_
;
62 scoped_ptr
<net::URLFetcher
> url_fetcher_
;
64 // Keep a copy of the data sent in the request, so we can refer back to it
65 // when the response arrives.
67 base::Time timestamp_
; // Timestamp of the above data, not of the request.
69 // The start time for the request.
70 base::TimeTicks start_time_
;
72 DISALLOW_COPY_AND_ASSIGN(NetworkLocationRequest
);
75 } // namespace content
77 #endif // CONTENT_BROWSER_GEOLOCATION_NETWORK_LOCATION_REQUEST_H_