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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/memory/singleton.h" | 7 #include "base/memory/singleton.h" |
8 #include "base/threading/thread_restrictions.h" | 8 #include "base/threading/thread_restrictions.h" |
9 #include "content/browser/geolocation/location_arbitrator.h" | 9 #include "content/browser/geolocation/location_arbitrator.h" |
10 | 10 |
11 // This class is guaranteed to outlive its internal thread, so ref counting | 11 // This class is guaranteed to outlive its internal thread, so ref counting |
12 // is not required. | 12 // is not required. |
13 DISABLE_RUNNABLE_METHOD_REFCOUNT(GeolocationProvider); | 13 DISABLE_RUNNABLE_METHOD_REFCOUNT(GeolocationProvider); |
14 | 14 |
15 GeolocationProvider* GeolocationProvider::GetInstance() { | 15 GeolocationProvider* GeolocationProvider::GetInstance() { |
16 return Singleton<GeolocationProvider>::get(); | 16 return Singleton<GeolocationProvider>::get(); |
17 } | 17 } |
18 | 18 |
19 GeolocationProvider::GeolocationProvider() | 19 GeolocationProvider::GeolocationProvider() |
20 : base::Thread("Geolocation"), | 20 : base::Thread("Geolocation"), |
21 client_loop_(base::MessageLoopProxy::CreateForCurrentThread()), | 21 client_loop_(base::MessageLoopProxy::current()), |
22 arbitrator_(NULL) { | 22 arbitrator_(NULL) { |
23 } | 23 } |
24 | 24 |
25 GeolocationProvider::~GeolocationProvider() { | 25 GeolocationProvider::~GeolocationProvider() { |
26 DCHECK(observers_.empty()); // observers must unregister. | 26 DCHECK(observers_.empty()); // observers must unregister. |
27 Stop(); | 27 Stop(); |
28 DCHECK(!arbitrator_); | 28 DCHECK(!arbitrator_); |
29 } | 29 } |
30 | 30 |
31 void GeolocationProvider::AddObserver(GeolocationObserver* observer, | 31 void GeolocationProvider::AddObserver(GeolocationObserver* observer, |
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140 return most_recent_authorized_frame_.is_valid(); | 140 return most_recent_authorized_frame_.is_valid(); |
141 } | 141 } |
142 | 142 |
143 bool GeolocationProvider::OnClientThread() const { | 143 bool GeolocationProvider::OnClientThread() const { |
144 return client_loop_->BelongsToCurrentThread(); | 144 return client_loop_->BelongsToCurrentThread(); |
145 } | 145 } |
146 | 146 |
147 bool GeolocationProvider::OnGeolocationThread() const { | 147 bool GeolocationProvider::OnGeolocationThread() const { |
148 return MessageLoop::current() == message_loop(); | 148 return MessageLoop::current() == message_loop(); |
149 } | 149 } |
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