Index: Source/modules/netinfo/NetworkInformation.cpp |
diff --git a/Source/modules/netinfo/NetworkInformation.cpp b/Source/modules/netinfo/NetworkInformation.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f8f1b40048389ee8fc40eab1e6deed5958d2474e |
--- /dev/null |
+++ b/Source/modules/netinfo/NetworkInformation.cpp |
@@ -0,0 +1,142 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "config.h" |
+#include "modules/netinfo/NetworkInformation.h" |
+ |
+#include "core/dom/ExecutionContext.h" |
+#include "core/page/NetworkStateNotifier.h" |
+#include "modules/EventTargetModules.h" |
+#include "wtf/text/WTFString.h" |
+ |
+namespace { |
+ |
+String connectionTypeToString(blink::WebConnectionType type) |
+{ |
+ switch (type) { |
+ case blink::ConnectionTypeCellular: |
+ return "cellular"; |
+ case blink::ConnectionTypeBluetooth: |
+ return "bluetooth"; |
+ case blink::ConnectionTypeEthernet: |
+ return "ethernet"; |
+ case blink::ConnectionTypeWifi: |
+ return "wifi"; |
+ case blink::ConnectionTypeOther: |
+ return "other"; |
+ case blink::ConnectionTypeNone: |
+ return "none"; |
+ } |
+ ASSERT_NOT_REACHED(); |
+ return "none"; |
+} |
+ |
+} // namespace |
+ |
+namespace WebCore { |
+ |
+PassRefPtrWillBeRawPtr<NetworkInformation> NetworkInformation::create(ExecutionContext* context) |
+{ |
+ RefPtrWillBeRawPtr<NetworkInformation> connection(adoptRefWillBeRefCountedGarbageCollected(new NetworkInformation(context))); |
+ connection->suspendIfNeeded(); |
+ return connection.release(); |
+} |
+ |
+NetworkInformation::~NetworkInformation() |
+{ |
+ ASSERT(!m_observing); |
+} |
+ |
+String NetworkInformation::type() const |
+{ |
+ return connectionTypeToString(m_type); |
+} |
+ |
+void NetworkInformation::connectionTypeChange(blink::WebConnectionType type) |
+{ |
+ ASSERT(executionContext()->isContextThread()); |
+ |
+ // This can happen if the observer removes and then adds itself again |
+ // during notification. |
+ if (m_type == type) |
+ return; |
+ |
+ m_type = type; |
+ dispatchEvent(Event::create(EventTypeNames::typechange)); |
+} |
+ |
+const AtomicString& NetworkInformation::interfaceName() const |
+{ |
+ return EventTargetNames::NetworkInformation; |
+} |
+ |
+ExecutionContext* NetworkInformation::executionContext() const |
+{ |
+ return ActiveDOMObject::executionContext(); |
+} |
+ |
+bool NetworkInformation::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture) |
+{ |
+ if (!EventTargetWithInlineData::addEventListener(eventType, listener, useCapture)) |
+ return false; |
+ startObserving(); |
+ return true; |
+} |
+ |
+bool NetworkInformation::removeEventListener(const AtomicString& eventType, EventListener* listener, bool useCapture) |
+{ |
+ if (!EventTargetWithInlineData::removeEventListener(eventType, listener, useCapture)) |
+ return false; |
+ if (!hasEventListeners()) |
+ stopObserving(); |
+ return true; |
+} |
+ |
+void NetworkInformation::removeAllEventListeners() |
+{ |
+ EventTargetWithInlineData::removeAllEventListeners(); |
+ ASSERT(!hasEventListeners()); |
+ stopObserving(); |
+} |
+ |
+bool NetworkInformation::hasPendingActivity() const |
+{ |
+ ASSERT(m_contextStopped || m_observing == hasEventListeners()); |
+ |
+ // Prevent collection of this object when there are active listeners. |
+ return m_observing; |
+} |
+ |
+void NetworkInformation::stop() |
+{ |
+ m_contextStopped = true; |
+ stopObserving(); |
+} |
+ |
+void NetworkInformation::startObserving() |
+{ |
+ if (!m_observing && !m_contextStopped) { |
+ networkStateNotifier().addObserver(this, executionContext()); |
+ m_observing = true; |
+ } |
+} |
+ |
+void NetworkInformation::stopObserving() |
+{ |
+ if (m_observing) { |
+ networkStateNotifier().removeObserver(this, executionContext()); |
+ m_observing = false; |
+ } |
+} |
+ |
+NetworkInformation::NetworkInformation(ExecutionContext* context) |
+ : ActiveDOMObject(context) |
+ , m_type(networkStateNotifier().connectionType()) |
+ , m_observing(false) |
+ , m_contextStopped(false) |
+{ |
+ ScriptWrappable::init(this); |
+} |
+ |
+} // namespace WebCore |