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// Copyright (c) 2013 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.
#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_NETWORKING_PRIVATE_EVENT_ROUTER_H_
#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_NETWORKING_PRIVATE_EVENT_ROUTER_H_
#include "chrome/browser/extensions/event_router.h"
#include "chromeos/network/network_state_handler_observer.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
class Profile;
namespace chromeos {
// This is a factory class used by the ProfileDependencyManager to instantiate
// the event router that will forward events from the NetworkStateHandler to the
// JavaScript Networking API.
class NetworkingPrivateEventRouter : public ProfileKeyedService,
public extensions::EventRouter::Observer,
public NetworkStateHandlerObserver {
public:
explicit NetworkingPrivateEventRouter(Profile* profile);
virtual ~NetworkingPrivateEventRouter();
protected:
// ProfileKeyedService overrides:
virtual void Shutdown() OVERRIDE;
// EventRouter::Observer overrides:
virtual void OnListenerAdded(
const extensions::EventListenerInfo& details) OVERRIDE;
virtual void OnListenerRemoved(
const extensions::EventListenerInfo& details) OVERRIDE;
// NetworkStateHandlerObserver overrides:
virtual void NetworkListChanged() OVERRIDE;
virtual void NetworkPropertiesUpdated(const NetworkState* network) OVERRIDE;
private:
// Decide if we should listen for network changes or not. If there are any
// JavaScript listeners registered for the onNetworkChanged event, then we
// want to register for change notification from the network state handler.
// Otherwise, we want to unregister and not be listening to network changes.
void StartOrStopListeningForNetworkChanges();
Profile* profile_;
bool listening_;
DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateEventRouter);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_NETWORKING_PRIVATE_EVENT_ROUTER_H_
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