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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/geolocation_provider.h" | 5 #include "content/browser/geolocation/geolocation_provider.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/bind_helpers.h" | 8 #include "base/bind_helpers.h" |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/location.h" | 10 #include "base/location.h" |
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88 } | 88 } |
89 | 89 |
90 GeolocationProvider::~GeolocationProvider() { | 90 GeolocationProvider::~GeolocationProvider() { |
91 // All observers should have unregistered before this singleton is destructed. | 91 // All observers should have unregistered before this singleton is destructed. |
92 DCHECK(observers_.empty()); | 92 DCHECK(observers_.empty()); |
93 Stop(); | 93 Stop(); |
94 DCHECK(!arbitrator_); | 94 DCHECK(!arbitrator_); |
95 } | 95 } |
96 | 96 |
97 bool GeolocationProvider::OnGeolocationThread() const { | 97 bool GeolocationProvider::OnGeolocationThread() const { |
98 return MessageLoop::current() == message_loop(); | 98 return base::MessageLoop::current() == message_loop(); |
99 } | 99 } |
100 | 100 |
101 void GeolocationProvider::OnClientsChanged() { | 101 void GeolocationProvider::OnClientsChanged() { |
102 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 102 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
103 base::Closure task; | 103 base::Closure task; |
104 if (observers_.empty() && callbacks_.empty()) { | 104 if (observers_.empty() && callbacks_.empty()) { |
105 DCHECK(IsRunning()); | 105 DCHECK(IsRunning()); |
106 // We have no more observers, so we clear the cached geoposition so that | 106 // We have no more observers, so we clear the cached geoposition so that |
107 // when the next observer is added we will not provide a stale position. | 107 // when the next observer is added we will not provide a stale position. |
108 position_ = Geoposition(); | 108 position_ = Geoposition(); |
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193 DCHECK(OnGeolocationThread()); | 193 DCHECK(OnGeolocationThread()); |
194 delete arbitrator_; | 194 delete arbitrator_; |
195 arbitrator_ = NULL; | 195 arbitrator_ = NULL; |
196 } | 196 } |
197 | 197 |
198 GeolocationArbitrator* GeolocationProvider::CreateArbitrator() { | 198 GeolocationArbitrator* GeolocationProvider::CreateArbitrator() { |
199 return new GeolocationArbitratorImpl(this); | 199 return new GeolocationArbitratorImpl(this); |
200 } | 200 } |
201 | 201 |
202 } // namespace content | 202 } // namespace content |
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