// Copyright (c) 2011 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_NETWORK_MESSAGE_OBSERVER_H_
#define CHROME_BROWSER_CHROMEOS_NETWORK_MESSAGE_OBSERVER_H_
#pragma once

#include <map>
#include <string>

#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/cros/network_library.h"
#include "chrome/browser/chromeos/notifications/system_notification.h"

class Profile;

namespace chromeos {

// The network message observer displays a system notification for network
// messages.

class NetworkMessageObserver
  : public NetworkLibrary::NetworkManagerObserver,
    public NetworkLibrary::CellularDataPlanObserver,
    public NetworkLibrary::UserActionObserver,
    public base::SupportsWeakPtr<NetworkMessageObserver> {
 public:
  explicit NetworkMessageObserver(Profile* profile);
  virtual ~NetworkMessageObserver();

  static bool IsApplicableBackupPlan(const CellularDataPlan* plan,
                                     const CellularDataPlan* other_plan);
 private:
  virtual void OpenMobileSetupPage(const base::ListValue* args);
  virtual void OpenMoreInfoPage(const base::ListValue* args);
  virtual void InitNewPlan(const CellularDataPlan* plan);
  virtual void ShowNeedsPlanNotification(const CellularNetwork* cellular);
  virtual void ShowNoDataNotification(CellularDataPlanType plan_type);
  virtual void ShowLowDataNotification(const CellularDataPlan* plan);

  // NetworkLibrary::NetworkManagerObserver implementation.
  virtual void OnNetworkManagerChanged(NetworkLibrary* obj) OVERRIDE;
  // NetworkLibrary::CellularDataPlanObserver implementation.
  virtual void OnCellularDataPlanChanged(NetworkLibrary* obj) OVERRIDE;
  // NetworkLibrary::UserActionObserver implementation.
  virtual void OnConnectionInitiated(NetworkLibrary* obj,
                                     const Network* network) OVERRIDE;

  // Saves the current cellular and plan information.
  // |plan| can be NULL. In that case, we set it to unknown.
  void SaveLastCellularInfo(const CellularNetwork* cellular,
                            const CellularDataPlan* plan);

  typedef std::map<std::string, ConnectionState> NetworkStateMap;

  // Current connect celluar service path.
  std::string cellular_service_path_;
  // Last cellular data plan unique id.
  std::string cellular_data_plan_unique_id_;
  // Last cellular data plan type.
  CellularDataPlanType cellular_data_plan_type_;
  // Last cellular data left.
  CellularNetwork::DataLeft cellular_data_left_;

  // Notification for connection errors
  SystemNotification notification_connection_error_;
  // Notification for showing low data warning
  SystemNotification notification_low_data_;
  // Notification for showing no data warning
  SystemNotification notification_no_data_;

  DISALLOW_COPY_AND_ASSIGN(NetworkMessageObserver);
};

}  // namespace chromeos

#endif  // CHROME_BROWSER_CHROMEOS_NETWORK_MESSAGE_OBSERVER_H_