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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> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/bind_helpers.h" | 10 #include "base/bind_helpers.h" |
| 11 #include "base/callback.h" | 11 #include "base/callback.h" |
| 12 #include "base/lazy_instance.h" | 12 #include "base/lazy_instance.h" |
| 13 #include "base/location.h" | 13 #include "base/location.h" |
| 14 #include "base/logging.h" | 14 #include "base/logging.h" |
| 15 #include "base/memory/ptr_util.h" | 15 #include "base/memory/ptr_util.h" |
| 16 #include "base/memory/singleton.h" | 16 #include "base/memory/singleton.h" |
| 17 #include "base/single_thread_task_runner.h" | 17 #include "base/single_thread_task_runner.h" |
| 18 #include "base/threading/thread_task_runner_handle.h" | 18 #include "base/threading/thread_task_runner_handle.h" |
| 19 #include "device/geolocation/geolocation_delegate.h" | 19 #include "device/geolocation/geolocation_delegate.h" |
| 20 #include "device/geolocation/location_arbitrator_impl.h" | 20 #include "device/geolocation/location_arbitrator.h" |
| 21 | 21 |
| 22 namespace device { | 22 namespace device { |
| 23 | 23 |
| 24 namespace { | 24 namespace { |
| 25 base::LazyInstance<std::unique_ptr<GeolocationDelegate>>::Leaky g_delegate = | 25 base::LazyInstance<std::unique_ptr<GeolocationDelegate>>::Leaky g_delegate = |
| 26 LAZY_INSTANCE_INITIALIZER; | 26 LAZY_INSTANCE_INITIALIZER; |
| 27 } // anonymous namespace | 27 } // anonymous namespace |
| 28 | 28 |
| 29 // static | 29 // static |
| 30 GeolocationProvider* GeolocationProvider::GetInstance() { | 30 GeolocationProvider* GeolocationProvider::GetInstance() { |
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| 183 void GeolocationProviderImpl::Init() { | 183 void GeolocationProviderImpl::Init() { |
| 184 DCHECK(OnGeolocationThread()); | 184 DCHECK(OnGeolocationThread()); |
| 185 | 185 |
| 186 if (!arbitrator_) { | 186 if (!arbitrator_) { |
| 187 LocationProvider::LocationProviderUpdateCallback callback = base::Bind( | 187 LocationProvider::LocationProviderUpdateCallback callback = base::Bind( |
| 188 &GeolocationProviderImpl::OnLocationUpdate, base::Unretained(this)); | 188 &GeolocationProviderImpl::OnLocationUpdate, base::Unretained(this)); |
| 189 // Use the embedder's |g_delegate| or fall back to the default one. | 189 // Use the embedder's |g_delegate| or fall back to the default one. |
| 190 if (!g_delegate.Get()) | 190 if (!g_delegate.Get()) |
| 191 g_delegate.Get().reset(new GeolocationDelegate); | 191 g_delegate.Get().reset(new GeolocationDelegate); |
| 192 | 192 |
| 193 arbitrator_ = | 193 arbitrator_ = base::MakeUnique<LocationArbitrator>(g_delegate.Get().get()); |
| 194 base::MakeUnique<LocationArbitratorImpl>(g_delegate.Get().get()); | |
| 195 arbitrator_->SetUpdateCallback(callback); | 194 arbitrator_->SetUpdateCallback(callback); |
| 196 } | 195 } |
| 197 } | 196 } |
| 198 | 197 |
| 199 void GeolocationProviderImpl::CleanUp() { | 198 void GeolocationProviderImpl::CleanUp() { |
| 200 DCHECK(OnGeolocationThread()); | 199 DCHECK(OnGeolocationThread()); |
| 201 arbitrator_.reset(); | 200 arbitrator_.reset(); |
| 202 } | 201 } |
| 203 | 202 |
| 204 } // namespace device | 203 } // namespace device |
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