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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/geolocation/network_location_provider.h" | 5 #include "content/browser/geolocation/network_location_provider.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/strings/utf_string_conversions.h" | 8 #include "base/strings/utf_string_conversions.h" |
| 9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
| 10 #include "content/public/browser/access_token_store.h" | 10 #include "content/public/browser/access_token_store.h" |
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| 103 | 103 |
| 104 // NetworkLocationProvider | 104 // NetworkLocationProvider |
| 105 NetworkLocationProvider::NetworkLocationProvider( | 105 NetworkLocationProvider::NetworkLocationProvider( |
| 106 AccessTokenStore* access_token_store, | 106 AccessTokenStore* access_token_store, |
| 107 net::URLRequestContextGetter* url_context_getter, | 107 net::URLRequestContextGetter* url_context_getter, |
| 108 const GURL& url, | 108 const GURL& url, |
| 109 const base::string16& access_token) | 109 const base::string16& access_token) |
| 110 : access_token_store_(access_token_store), | 110 : access_token_store_(access_token_store), |
| 111 wifi_data_provider_(NULL), | 111 wifi_data_provider_(NULL), |
| 112 wifi_data_update_callback_( | 112 wifi_data_update_callback_( |
| 113 base::Bind(&NetworkLocationProvider::WifiDataUpdateAvailable, | 113 base::Bind(&NetworkLocationProvider::OnWifiDataUpdate, |
| 114 base::Unretained(this))), | 114 base::Unretained(this))), |
| 115 is_wifi_data_complete_(false), | 115 is_wifi_data_complete_(false), |
| 116 access_token_(access_token), | 116 access_token_(access_token), |
| 117 is_permission_granted_(false), | 117 is_permission_granted_(false), |
| 118 is_new_data_available_(false), | 118 is_new_data_available_(false), |
| 119 weak_factory_(this) { | 119 weak_factory_(this) { |
| 120 // Create the position cache. | 120 // Create the position cache. |
| 121 position_cache_.reset(new PositionCache()); | 121 position_cache_.reset(new PositionCache()); |
| 122 | 122 |
| 123 NetworkLocationRequest::LocationResponseCallback callback = | 123 request_.reset(new NetworkLocationRequest( |
| 124 base::Bind(&NetworkLocationProvider::LocationResponseAvailable, | 124 url_context_getter, |
| 125 base::Unretained(this)); | 125 url, |
| 126 request_.reset(new NetworkLocationRequest(url_context_getter, url, callback)); | 126 base::Bind(&NetworkLocationProvider::OnLocationResponse, |
| 127 base::Unretained(this)))); |
| 127 } | 128 } |
| 128 | 129 |
| 129 NetworkLocationProvider::~NetworkLocationProvider() { | 130 NetworkLocationProvider::~NetworkLocationProvider() { |
| 130 StopProvider(); | 131 StopProvider(); |
| 131 } | 132 } |
| 132 | 133 |
| 133 // LocationProvider implementation | 134 // LocationProvider implementation |
| 134 void NetworkLocationProvider::GetPosition(Geoposition* position) { | 135 void NetworkLocationProvider::GetPosition(Geoposition* position) { |
| 135 DCHECK(position); | 136 DCHECK(position); |
| 136 *position = position_; | 137 *position = position_; |
| 137 } | 138 } |
| 138 | 139 |
| 139 void NetworkLocationProvider::RequestRefresh() { | 140 void NetworkLocationProvider::RequestRefresh() { |
| 140 // TODO(joth): When called via the public (base class) interface, this should | 141 // TODO(joth): When called via the public (base class) interface, this should |
| 141 // poke each data provider to get them to expedite their next scan. | 142 // poke each data provider to get them to expedite their next scan. |
| 142 // Whilst in the delayed start, only send request if all data is ready. | 143 // Whilst in the delayed start, only send request if all data is ready. |
| 143 if (!weak_factory_.HasWeakPtrs() || is_wifi_data_complete_) { | 144 if (!weak_factory_.HasWeakPtrs() || is_wifi_data_complete_) { |
| 144 RequestPosition(); | 145 RequestPosition(); |
| 145 } | 146 } |
| 146 } | 147 } |
| 147 | 148 |
| 148 void NetworkLocationProvider::OnPermissionGranted() { | 149 void NetworkLocationProvider::OnPermissionGranted() { |
| 149 const bool was_permission_granted = is_permission_granted_; | 150 const bool was_permission_granted = is_permission_granted_; |
| 150 is_permission_granted_ = true; | 151 is_permission_granted_ = true; |
| 151 if (!was_permission_granted && IsStarted()) { | 152 if (!was_permission_granted && IsStarted()) { |
| 152 RequestRefresh(); | 153 RequestRefresh(); |
| 153 } | 154 } |
| 154 } | 155 } |
| 155 | 156 |
| 156 void NetworkLocationProvider::WifiDataUpdateAvailable( | 157 void NetworkLocationProvider::OnWifiDataUpdate(WifiDataProvider* provider) { |
| 157 WifiDataProvider* provider) { | |
| 158 DCHECK(provider == wifi_data_provider_); | 158 DCHECK(provider == wifi_data_provider_); |
| 159 is_wifi_data_complete_ = wifi_data_provider_->GetData(&wifi_data_); | 159 is_wifi_data_complete_ = wifi_data_provider_->GetData(&wifi_data_); |
| 160 OnWifiDataUpdated(); | 160 OnWifiDataUpdated(); |
| 161 } | 161 } |
| 162 | 162 |
| 163 void NetworkLocationProvider::LocationResponseAvailable( | 163 void NetworkLocationProvider::OnLocationResponse( |
| 164 const Geoposition& position, | 164 const Geoposition& position, |
| 165 bool server_error, | 165 bool server_error, |
| 166 const base::string16& access_token, | 166 const base::string16& access_token, |
| 167 const WifiData& wifi_data) { | 167 const WifiData& wifi_data) { |
| 168 DCHECK(CalledOnValidThread()); | 168 DCHECK(CalledOnValidThread()); |
| 169 // Record the position and update our cache. | 169 // Record the position and update our cache. |
| 170 position_ = position; | 170 position_ = position; |
| 171 if (position.Validate()) { | 171 if (position.Validate()) { |
| 172 position_cache_->CachePosition(wifi_data, position); | 172 position_cache_->CachePosition(wifi_data, position); |
| 173 } | 173 } |
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| 266 } | 266 } |
| 267 request_->MakeRequest(access_token_, wifi_data_, | 267 request_->MakeRequest(access_token_, wifi_data_, |
| 268 wifi_data_updated_timestamp_); | 268 wifi_data_updated_timestamp_); |
| 269 } | 269 } |
| 270 | 270 |
| 271 bool NetworkLocationProvider::IsStarted() const { | 271 bool NetworkLocationProvider::IsStarted() const { |
| 272 return wifi_data_provider_ != NULL; | 272 return wifi_data_provider_ != NULL; |
| 273 } | 273 } |
| 274 | 274 |
| 275 } // namespace content | 275 } // namespace content |
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