// 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 CONTENT_RENDERER_P2P_IPC_NETWORK_MANAGER_H_
#define CONTENT_RENDERER_P2P_IPC_NETWORK_MANAGER_H_

#include <memory>
#include <vector>

#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "content/renderer/p2p/mdns_responder_adapter.h"
#include "content/renderer/p2p/network_list_manager.h"
#include "content/renderer/p2p/network_list_observer.h"
#include "third_party/webrtc/rtc_base/mdns_responder_interface.h"
#include "third_party/webrtc/rtc_base/network.h"

namespace net {
class IPAddress;
}  // namespace net

namespace content {

// IpcNetworkManager is a NetworkManager for libjingle that gets a
// list of network interfaces from the browser.
class IpcNetworkManager : public rtc::NetworkManagerBase,
                          public NetworkListObserver {
 public:
  // Constructor doesn't take ownership of the |network_list_manager|.
  CONTENT_EXPORT IpcNetworkManager(
      NetworkListManager* network_list_manager,
      std::unique_ptr<MdnsResponderAdapter> mdns_responder);
  ~IpcNetworkManager() override;

  // rtc:::NetworkManager:
  void StartUpdating() override;
  void StopUpdating() override;
  webrtc::MdnsResponderInterface* GetMdnsResponder() const override;

  // P2PSocketDispatcher::NetworkListObserver interface.
  void OnNetworkListChanged(
      const net::NetworkInterfaceList& list,
      const net::IPAddress& default_ipv4_local_address,
      const net::IPAddress& default_ipv6_local_address) override;

 private:
  void SendNetworksChangedSignal();

  NetworkListManager* network_list_manager_;
  std::unique_ptr<MdnsResponderAdapter> mdns_responder_;
  int start_count_ = 0;
  bool network_list_received_ = false;

  base::WeakPtrFactory<IpcNetworkManager> weak_factory_;
};

}  // namespace content

#endif  // CONTENT_RENDERER_P2P_IPC_NETWORK_MANAGER_H_