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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 "device/geolocation/geolocation_provider_impl.h" | 5 #include "device/geolocation/geolocation_provider_impl.h" |
6 | 6 |
| 7 #include <utility> |
| 8 |
7 #include "base/bind.h" | 9 #include "base/bind.h" |
8 #include "base/bind_helpers.h" | 10 #include "base/bind_helpers.h" |
9 #include "base/callback.h" | 11 #include "base/callback.h" |
10 #include "base/lazy_instance.h" | 12 #include "base/lazy_instance.h" |
11 #include "base/location.h" | 13 #include "base/location.h" |
12 #include "base/logging.h" | 14 #include "base/logging.h" |
13 #include "base/memory/ptr_util.h" | 15 #include "base/memory/ptr_util.h" |
14 #include "base/memory/singleton.h" | 16 #include "base/memory/singleton.h" |
15 #include "base/single_thread_task_runner.h" | 17 #include "base/single_thread_task_runner.h" |
16 #include "base/threading/thread_task_runner_handle.h" | 18 #include "base/threading/thread_task_runner_handle.h" |
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97 &GeolocationProviderImpl::OnClientsChanged, base::Unretained(this))); | 99 &GeolocationProviderImpl::OnClientsChanged, base::Unretained(this))); |
98 low_accuracy_callbacks_.set_removal_callback(base::Bind( | 100 low_accuracy_callbacks_.set_removal_callback(base::Bind( |
99 &GeolocationProviderImpl::OnClientsChanged, base::Unretained(this))); | 101 &GeolocationProviderImpl::OnClientsChanged, base::Unretained(this))); |
100 } | 102 } |
101 | 103 |
102 GeolocationProviderImpl::~GeolocationProviderImpl() { | 104 GeolocationProviderImpl::~GeolocationProviderImpl() { |
103 Stop(); | 105 Stop(); |
104 DCHECK(!arbitrator_); | 106 DCHECK(!arbitrator_); |
105 } | 107 } |
106 | 108 |
| 109 void GeolocationProviderImpl::SetArbitratorForTesting( |
| 110 std::unique_ptr<LocationProvider> arbitrator) { |
| 111 arbitrator_ = std::move(arbitrator); |
| 112 } |
| 113 |
107 bool GeolocationProviderImpl::OnGeolocationThread() const { | 114 bool GeolocationProviderImpl::OnGeolocationThread() const { |
108 return task_runner()->BelongsToCurrentThread(); | 115 return task_runner()->BelongsToCurrentThread(); |
109 } | 116 } |
110 | 117 |
111 void GeolocationProviderImpl::OnClientsChanged() { | 118 void GeolocationProviderImpl::OnClientsChanged() { |
112 DCHECK(main_task_runner_->BelongsToCurrentThread()); | 119 DCHECK(main_task_runner_->BelongsToCurrentThread()); |
113 base::Closure task; | 120 base::Closure task; |
114 if (high_accuracy_callbacks_.empty() && low_accuracy_callbacks_.empty()) { | 121 if (high_accuracy_callbacks_.empty() && low_accuracy_callbacks_.empty()) { |
115 DCHECK(IsRunning()); | 122 DCHECK(IsRunning()); |
116 if (!ignore_location_updates_) { | 123 if (!ignore_location_updates_) { |
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133 task = base::Bind(&GeolocationProviderImpl::StartProviders, | 140 task = base::Bind(&GeolocationProviderImpl::StartProviders, |
134 base::Unretained(this), enable_high_accuracy); | 141 base::Unretained(this), enable_high_accuracy); |
135 } | 142 } |
136 | 143 |
137 task_runner()->PostTask(FROM_HERE, task); | 144 task_runner()->PostTask(FROM_HERE, task); |
138 } | 145 } |
139 | 146 |
140 void GeolocationProviderImpl::StopProviders() { | 147 void GeolocationProviderImpl::StopProviders() { |
141 DCHECK(OnGeolocationThread()); | 148 DCHECK(OnGeolocationThread()); |
142 DCHECK(arbitrator_); | 149 DCHECK(arbitrator_); |
143 arbitrator_->StopProviders(); | 150 arbitrator_->StopProvider(); |
144 } | 151 } |
145 | 152 |
146 void GeolocationProviderImpl::StartProviders(bool enable_high_accuracy) { | 153 void GeolocationProviderImpl::StartProviders(bool enable_high_accuracy) { |
147 DCHECK(OnGeolocationThread()); | 154 DCHECK(OnGeolocationThread()); |
148 DCHECK(arbitrator_); | 155 DCHECK(arbitrator_); |
149 arbitrator_->StartProviders(enable_high_accuracy); | 156 arbitrator_->StartProvider(enable_high_accuracy); |
150 } | 157 } |
151 | 158 |
152 void GeolocationProviderImpl::InformProvidersPermissionGranted() { | 159 void GeolocationProviderImpl::InformProvidersPermissionGranted() { |
153 DCHECK(IsRunning()); | 160 DCHECK(IsRunning()); |
154 if (!OnGeolocationThread()) { | 161 if (!OnGeolocationThread()) { |
155 task_runner()->PostTask( | 162 task_runner()->PostTask( |
156 FROM_HERE, | 163 FROM_HERE, |
157 base::Bind(&GeolocationProviderImpl::InformProvidersPermissionGranted, | 164 base::Bind(&GeolocationProviderImpl::InformProvidersPermissionGranted, |
158 base::Unretained(this))); | 165 base::Unretained(this))); |
159 return; | 166 return; |
160 } | 167 } |
161 DCHECK(OnGeolocationThread()); | 168 DCHECK(OnGeolocationThread()); |
162 DCHECK(arbitrator_); | 169 DCHECK(arbitrator_); |
163 arbitrator_->OnPermissionGranted(); | 170 arbitrator_->OnPermissionGranted(); |
164 } | 171 } |
165 | 172 |
166 void GeolocationProviderImpl::NotifyClients(const Geoposition& position) { | 173 void GeolocationProviderImpl::NotifyClients(const Geoposition& position) { |
167 DCHECK(main_task_runner_->BelongsToCurrentThread()); | 174 DCHECK(main_task_runner_->BelongsToCurrentThread()); |
168 DCHECK(position.Validate() || | 175 DCHECK(position.Validate() || |
169 position.error_code != Geoposition::ERROR_CODE_NONE); | 176 position.error_code != Geoposition::ERROR_CODE_NONE); |
170 position_ = position; | 177 position_ = position; |
171 high_accuracy_callbacks_.Notify(position_); | 178 high_accuracy_callbacks_.Notify(position_); |
172 low_accuracy_callbacks_.Notify(position_); | 179 low_accuracy_callbacks_.Notify(position_); |
173 } | 180 } |
174 | 181 |
175 void GeolocationProviderImpl::Init() { | 182 void GeolocationProviderImpl::Init() { |
176 DCHECK(OnGeolocationThread()); | 183 DCHECK(OnGeolocationThread()); |
177 DCHECK(!arbitrator_); | 184 |
178 arbitrator_ = CreateArbitrator(); | 185 if (!arbitrator_) { |
| 186 LocationArbitratorImpl::LocationUpdateCallback callback = base::Bind( |
| 187 &GeolocationProviderImpl::OnLocationUpdate, base::Unretained(this)); |
| 188 // Use the embedder's |g_delegate| or fall back to the default one. |
| 189 if (!g_delegate.Get()) |
| 190 g_delegate.Get().reset(new GeolocationDelegate); |
| 191 |
| 192 arbitrator_ = base::MakeUnique<LocationArbitratorImpl>( |
| 193 callback, g_delegate.Get().get()); |
| 194 } |
179 } | 195 } |
180 | 196 |
181 void GeolocationProviderImpl::CleanUp() { | 197 void GeolocationProviderImpl::CleanUp() { |
182 DCHECK(OnGeolocationThread()); | 198 DCHECK(OnGeolocationThread()); |
183 arbitrator_.reset(); | 199 arbitrator_.reset(); |
184 } | 200 } |
185 | 201 |
186 std::unique_ptr<LocationArbitrator> | |
187 GeolocationProviderImpl::CreateArbitrator() { | |
188 LocationArbitratorImpl::LocationUpdateCallback callback = base::Bind( | |
189 &GeolocationProviderImpl::OnLocationUpdate, base::Unretained(this)); | |
190 // Use the embedder's |g_delegate| or fall back to the default one. | |
191 if (!g_delegate.Get()) | |
192 g_delegate.Get().reset(new GeolocationDelegate); | |
193 | |
194 return base::WrapUnique( | |
195 new LocationArbitratorImpl(callback, g_delegate.Get().get())); | |
196 } | |
197 | |
198 } // namespace device | 202 } // namespace device |
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