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// Copyright (c) 2012 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 UI_CHROMEOS_NETWORK_NETWORK_STATE_NOTIFIER_H_
#define UI_CHROMEOS_NETWORK_NETWORK_STATE_NOTIFIER_H_
#include <set>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "chromeos/network/network_connection_observer.h"
#include "chromeos/network/network_state_handler_observer.h"
#include "ui/chromeos/ui_chromeos_export.h"
namespace base {
class DictionaryValue;
}
namespace chromeos {
class NetworkState;
}
namespace ui {
class NetworkConnect;
// This class provides user notifications in the following cases:
// 1. ShowNetworkConnectError() gets called after any user initiated connect
// failure. This will handle displaying an error notification.
// TODO(stevenjb): convert this class to use the new MessageCenter
// notification system.
// 2. It observes NetworkState changes to generate notifications when a
// Cellular network is out of credits.
// 3. Generates a notification when VPN is disconnected not as a result of
// user's action.
class UI_CHROMEOS_EXPORT NetworkStateNotifier
: public chromeos::NetworkConnectionObserver,
public chromeos::NetworkStateHandlerObserver {
public:
explicit NetworkStateNotifier(NetworkConnect* network_connect);
~NetworkStateNotifier() override;
// NetworkConnectionObserver
void ConnectFailed(const std::string& service_path,
const std::string& error_name) override;
void DiconnectRequested(const std::string& service_path) override;
// NetworkStateHandlerObserver
void DefaultNetworkChanged(const chromeos::NetworkState* network) override;
void NetworkConnectionStateChanged(
const chromeos::NetworkState* network) override;
void NetworkPropertiesUpdated(const chromeos::NetworkState* network) override;
// Show a connection error notification. If |error_name| matches an error
// defined in NetworkConnectionHandler for connect, configure, or activation
// failed, then the associated message is shown; otherwise use the last_error
// value for the network or a Shill property if available.
void ShowNetworkConnectError(const std::string& error_name,
const std::string& service_path);
// Show a mobile activation error notification.
void ShowMobileActivationError(const std::string& service_path);
// Removes any existing connect notifications.
void RemoveConnectNotification();
static const char kNotifierNetwork[];
static const char kNotifierNetworkError[];
static const char kNetworkConnectNotificationId[];
static const char kNetworkActivateNotificationId[];
static const char kNetworkOutOfCreditsNotificationId[];
private:
void ConnectErrorPropertiesSucceeded(
const std::string& error_name,
const std::string& service_path,
const base::DictionaryValue& shill_properties);
void ConnectErrorPropertiesFailed(
const std::string& error_name,
const std::string& service_path,
const std::string& shill_connect_error,
scoped_ptr<base::DictionaryValue> shill_error_data);
void ShowConnectErrorNotification(
const std::string& error_name,
const std::string& service_path,
const base::DictionaryValue& shill_properties);
void ShowVpnDisconnectedNotification(const chromeos::NetworkState* vpn);
// Returns true if the default network changed.
bool UpdateDefaultNetwork(const chromeos::NetworkState* network);
// Helper methods to update state and check for notifications.
void UpdateVpnConnectionState(const chromeos::NetworkState* vpn);
void UpdateCellularOutOfCredits(const chromeos::NetworkState* cellular);
void UpdateCellularActivating(const chromeos::NetworkState* cellular);
// Invokes network_connect_->ShowNetworkSettingsForPath from a callback.
void ShowNetworkSettingsForPath(const std::string& service_path);
NetworkConnect* network_connect_; // unowned
std::string last_default_network_;
bool did_show_out_of_credits_;
base::Time out_of_credits_notify_time_;
std::set<std::string> cellular_activating_;
bool need_vpn_disconnection_notify_;
base::WeakPtrFactory<NetworkStateNotifier> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(NetworkStateNotifier);
};
} // namespace ui
#endif // UI_CHROMEOS_NETWORK_NETWORK_STATE_NOTIFIER_H_
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