text: // Copyright 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_EXTENSIONS_API_MDNS_DNS_SD_DELEGATE_H_
  #define CHROME_BROWSER_EXTENSIONS_API_MDNS_DNS_SD_DELEGATE_H_
  
  #include <string>
  #include <vector>
  
  namespace extensions {
  
  struct DnsSdService {
    std::string service_name;
    std::string service_host_port;
    std::string ip_address;
    std::vector<std::string> service_data;
  
    DnsSdService();
    virtual ~DnsSdService();
  
    bool operator==(const DnsSdService& other) const {
      return service_name == other.service_name &&
             service_host_port == other.service_host_port &&
             ip_address == other.ip_address &&
             service_data == other.service_data;
    }
  };
  
  // Delegate that is notified when a watched service is added, updated or
  // removed.
  class DnsSdDelegate {
   public:
    virtual void ServiceChanged(const std::string& service_type,
                                bool added,
                                const DnsSdService& service) = 0;
    virtual void ServiceRemoved(const std::string& service_type,
                                const std::string& service_name) = 0;
    virtual void ServicesFlushed(const std::string& service_type) = 0;
  };
  
  }  // namespace extensions
  
  #endif  // CHROME_BROWSER_EXTENSIONS_API_MDNS_DNS_SD_DELEGATE_H_
  