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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/events/Event.h" | 8 #include "core/events/Event.h" |
| 9 #include "core/page/NetworkStateNotifier.h" | 9 #include "core/page/NetworkStateNotifier.h" |
| 10 #include "modules/EventTargetModules.h" | 10 #include "modules/EventTargetModules.h" |
| (...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 71 double NetworkInformation::downlinkMax() const | 71 double NetworkInformation::downlinkMax() const |
| 72 { | 72 { |
| 73 if (!m_observing) | 73 if (!m_observing) |
| 74 return networkStateNotifier().maxBandwidth(); | 74 return networkStateNotifier().maxBandwidth(); |
| 75 | 75 |
| 76 return m_downlinkMaxMbps; | 76 return m_downlinkMaxMbps; |
| 77 } | 77 } |
| 78 | 78 |
| 79 void NetworkInformation::connectionChange(WebConnectionType type, double downlin
kMaxMbps) | 79 void NetworkInformation::connectionChange(WebConnectionType type, double downlin
kMaxMbps) |
| 80 { | 80 { |
| 81 ASSERT(executionContext()->isContextThread()); | 81 ASSERT(getExecutionContext()->isContextThread()); |
| 82 | 82 |
| 83 // This can happen if the observer removes and then adds itself again | 83 // This can happen if the observer removes and then adds itself again |
| 84 // during notification. | 84 // during notification. |
| 85 if (m_type == type && m_downlinkMaxMbps == downlinkMaxMbps) | 85 if (m_type == type && m_downlinkMaxMbps == downlinkMaxMbps) |
| 86 return; | 86 return; |
| 87 | 87 |
| 88 m_type = type; | 88 m_type = type; |
| 89 m_downlinkMaxMbps = downlinkMaxMbps; | 89 m_downlinkMaxMbps = downlinkMaxMbps; |
| 90 dispatchEvent(Event::create(EventTypeNames::typechange)); | 90 dispatchEvent(Event::create(EventTypeNames::typechange)); |
| 91 | 91 |
| 92 if (RuntimeEnabledFeatures::netInfoDownlinkMaxEnabled()) | 92 if (RuntimeEnabledFeatures::netInfoDownlinkMaxEnabled()) |
| 93 dispatchEvent(Event::create(EventTypeNames::change)); | 93 dispatchEvent(Event::create(EventTypeNames::change)); |
| 94 } | 94 } |
| 95 | 95 |
| 96 const AtomicString& NetworkInformation::interfaceName() const | 96 const AtomicString& NetworkInformation::interfaceName() const |
| 97 { | 97 { |
| 98 return EventTargetNames::NetworkInformation; | 98 return EventTargetNames::NetworkInformation; |
| 99 } | 99 } |
| 100 | 100 |
| 101 ExecutionContext* NetworkInformation::executionContext() const | 101 ExecutionContext* NetworkInformation::getExecutionContext() const |
| 102 { | 102 { |
| 103 return ActiveDOMObject::executionContext(); | 103 return ActiveDOMObject::getExecutionContext(); |
| 104 } | 104 } |
| 105 | 105 |
| 106 bool NetworkInformation::addEventListenerInternal(const AtomicString& eventType,
PassRefPtrWillBeRawPtr<EventListener> listener, const EventListenerOptions& opt
ions) | 106 bool NetworkInformation::addEventListenerInternal(const AtomicString& eventType,
PassRefPtrWillBeRawPtr<EventListener> listener, const EventListenerOptions& opt
ions) |
| 107 { | 107 { |
| 108 if (!EventTargetWithInlineData::addEventListenerInternal(eventType, listener
, options)) | 108 if (!EventTargetWithInlineData::addEventListenerInternal(eventType, listener
, options)) |
| 109 return false; | 109 return false; |
| 110 startObserving(); | 110 startObserving(); |
| 111 return true; | 111 return true; |
| 112 } | 112 } |
| 113 | 113 |
| (...skipping 24 matching lines...) Expand all Loading... |
| 138 void NetworkInformation::stop() | 138 void NetworkInformation::stop() |
| 139 { | 139 { |
| 140 m_contextStopped = true; | 140 m_contextStopped = true; |
| 141 stopObserving(); | 141 stopObserving(); |
| 142 } | 142 } |
| 143 | 143 |
| 144 void NetworkInformation::startObserving() | 144 void NetworkInformation::startObserving() |
| 145 { | 145 { |
| 146 if (!m_observing && !m_contextStopped) { | 146 if (!m_observing && !m_contextStopped) { |
| 147 m_type = networkStateNotifier().connectionType(); | 147 m_type = networkStateNotifier().connectionType(); |
| 148 networkStateNotifier().addObserver(this, executionContext()); | 148 networkStateNotifier().addObserver(this, getExecutionContext()); |
| 149 m_observing = true; | 149 m_observing = true; |
| 150 } | 150 } |
| 151 } | 151 } |
| 152 | 152 |
| 153 void NetworkInformation::stopObserving() | 153 void NetworkInformation::stopObserving() |
| 154 { | 154 { |
| 155 if (m_observing) { | 155 if (m_observing) { |
| 156 networkStateNotifier().removeObserver(this, executionContext()); | 156 networkStateNotifier().removeObserver(this, getExecutionContext()); |
| 157 m_observing = false; | 157 m_observing = false; |
| 158 } | 158 } |
| 159 } | 159 } |
| 160 | 160 |
| 161 NetworkInformation::NetworkInformation(ExecutionContext* context) | 161 NetworkInformation::NetworkInformation(ExecutionContext* context) |
| 162 : ActiveDOMObject(context) | 162 : ActiveDOMObject(context) |
| 163 , m_type(networkStateNotifier().connectionType()) | 163 , m_type(networkStateNotifier().connectionType()) |
| 164 , m_downlinkMaxMbps(networkStateNotifier().maxBandwidth()) | 164 , m_downlinkMaxMbps(networkStateNotifier().maxBandwidth()) |
| 165 , m_observing(false) | 165 , m_observing(false) |
| 166 , m_contextStopped(false) | 166 , m_contextStopped(false) |
| 167 { | 167 { |
| 168 } | 168 } |
| 169 | 169 |
| 170 DEFINE_TRACE(NetworkInformation) | 170 DEFINE_TRACE(NetworkInformation) |
| 171 { | 171 { |
| 172 RefCountedGarbageCollectedEventTargetWithInlineData<NetworkInformation>::tra
ce(visitor); | 172 RefCountedGarbageCollectedEventTargetWithInlineData<NetworkInformation>::tra
ce(visitor); |
| 173 ActiveDOMObject::trace(visitor); | 173 ActiveDOMObject::trace(visitor); |
| 174 } | 174 } |
| 175 | 175 |
| 176 } // namespace blink | 176 } // namespace blink |
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