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1 // Copyright 2014 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. | |
4 | |
5 #include "chrome/browser/chromeos/geolocation/simple_geolocation_provider.h" | |
6 | |
7 #include <algorithm> | |
8 #include <iterator> | |
9 | |
10 #include "base/bind.h" | |
11 #include "base/time/time.h" | |
12 #include "chrome/browser/chromeos/geolocation/geoposition.h" | |
13 #include "net/url_request/url_request_context_getter.h" | |
14 #include "url/gurl.h" | |
15 | |
16 namespace chromeos { | |
17 | |
18 namespace { | |
19 const char kDefaultGeolocationProviderUrl[] = | |
20 "https://www.googleapis.com/geolocation/v1/geolocate?"; | |
21 } // namespace | |
22 | |
23 SimpleGeolocationProvider::SimpleGeolocationProvider( | |
24 net::URLRequestContextGetter* url_context_getter, | |
25 const GURL& url) | |
26 : url_context_getter_(url_context_getter), url_(url) { | |
27 } | |
28 | |
29 SimpleGeolocationProvider::~SimpleGeolocationProvider() { | |
30 DCHECK(thread_checker_.CalledOnValidThread()); | |
31 } | |
32 | |
33 void SimpleGeolocationProvider::RequestGeolocation( | |
34 base::TimeDelta timeout, | |
35 SimpleGeolocationRequest::ResponseCallback callback) { | |
36 DCHECK(thread_checker_.CalledOnValidThread()); | |
37 SimpleGeolocationRequest* request( | |
38 new SimpleGeolocationRequest(url_context_getter_.get(), url_, timeout)); | |
39 requests_.push_back(request); | |
40 | |
41 // SimpleGeolocationProvider owns all requests. It is safe to pass unretained | |
42 // "this" because destruction of SimpleGeolocationProvider cancels all | |
43 // requests. | |
44 SimpleGeolocationRequest::ResponseCallback callback_tmp( | |
45 base::Bind(&SimpleGeolocationProvider::OnGeolocationResponse, | |
46 base::Unretained(this), | |
47 request, | |
48 callback)); | |
49 request->MakeRequest(callback_tmp); | |
50 } | |
51 | |
52 // static | |
53 GURL SimpleGeolocationProvider::DefaultGeolocationProviderURL() { | |
54 return GURL(kDefaultGeolocationProviderUrl); | |
55 } | |
56 | |
57 void SimpleGeolocationProvider::OnGeolocationResponse( | |
58 SimpleGeolocationRequest* request, | |
59 SimpleGeolocationRequest::ResponseCallback callback, | |
60 const Geoposition& geoposition, | |
61 bool server_error, | |
62 const base::TimeDelta elapsed) { | |
63 DCHECK(thread_checker_.CalledOnValidThread()); | |
64 | |
65 callback.Run(geoposition, server_error, elapsed); | |
66 | |
67 ScopedVector<SimpleGeolocationRequest>::iterator new_end = | |
68 std::remove(requests_.begin(), requests_.end(), request); | |
69 DCHECK_EQ(std::distance(new_end, requests_.end()), 1); | |
70 requests_.erase(new_end, requests_.end()); | |
71 } | |
72 | |
73 } // namespace chromeos | |
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