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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "modules/netinfo/NetworkInformation.h" | 5 #include "modules/netinfo/NetworkInformation.h" |
| 6 | 6 |
| 7 #include "core/dom/ExecutionContext.h" | 7 #include "core/dom/ExecutionContext.h" |
| 8 #include "core/dom/TaskRunnerHelper.h" | 8 #include "core/dom/TaskRunnerHelper.h" |
| 9 #include "core/events/Event.h" | 9 #include "core/events/Event.h" |
| 10 #include "core/page/NetworkStateNotifier.h" | 10 #include "core/page/NetworkStateNotifier.h" |
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| 124 | 124 |
| 125 void NetworkInformation::contextDestroyed(ExecutionContext*) { | 125 void NetworkInformation::contextDestroyed(ExecutionContext*) { |
| 126 m_contextStopped = true; | 126 m_contextStopped = true; |
| 127 stopObserving(); | 127 stopObserving(); |
| 128 } | 128 } |
| 129 | 129 |
| 130 void NetworkInformation::startObserving() { | 130 void NetworkInformation::startObserving() { |
| 131 if (!m_observing && !m_contextStopped) { | 131 if (!m_observing && !m_contextStopped) { |
| 132 m_type = networkStateNotifier().connectionType(); | 132 m_type = networkStateNotifier().connectionType(); |
| 133 networkStateNotifier().addObserver( | 133 networkStateNotifier().addObserver( |
| 134 this, TaskRunnerHelper::get(TaskType::Networking, getExecutionContext()) | 134 this, |
| 135 .get()); | 135 TaskRunnerHelper::get(TaskType::Networking, getExecutionContext()) |
| 136 .get()); |
| 136 m_observing = true; | 137 m_observing = true; |
| 137 } | 138 } |
| 138 } | 139 } |
| 139 | 140 |
| 140 void NetworkInformation::stopObserving() { | 141 void NetworkInformation::stopObserving() { |
| 141 if (m_observing) { | 142 if (m_observing) { |
| 142 networkStateNotifier().removeObserver( | 143 networkStateNotifier().removeObserver( |
| 143 this, TaskRunnerHelper::get(TaskType::Networking, getExecutionContext()) | 144 this, |
| 144 .get()); | 145 TaskRunnerHelper::get(TaskType::Networking, getExecutionContext()) |
| 146 .get()); |
| 145 m_observing = false; | 147 m_observing = false; |
| 146 } | 148 } |
| 147 } | 149 } |
| 148 | 150 |
| 149 NetworkInformation::NetworkInformation(ExecutionContext* context) | 151 NetworkInformation::NetworkInformation(ExecutionContext* context) |
| 150 : ContextLifecycleObserver(context), | 152 : ContextLifecycleObserver(context), |
| 151 m_type(networkStateNotifier().connectionType()), | 153 m_type(networkStateNotifier().connectionType()), |
| 152 m_downlinkMaxMbps(networkStateNotifier().maxBandwidth()), | 154 m_downlinkMaxMbps(networkStateNotifier().maxBandwidth()), |
| 153 m_observing(false), | 155 m_observing(false), |
| 154 m_contextStopped(false) {} | 156 m_contextStopped(false) {} |
| 155 | 157 |
| 156 DEFINE_TRACE(NetworkInformation) { | 158 DEFINE_TRACE(NetworkInformation) { |
| 157 EventTargetWithInlineData::trace(visitor); | 159 EventTargetWithInlineData::trace(visitor); |
| 158 ContextLifecycleObserver::trace(visitor); | 160 ContextLifecycleObserver::trace(visitor); |
| 159 } | 161 } |
| 160 | 162 |
| 161 } // namespace blink | 163 } // namespace blink |
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