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_PRINTING_CLOUD_PRINT_PRIVET_DEVICE_LISTER_H_
  #define CHROME_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_DEVICE_LISTER_H_
  
  #include <string>
  
  #include "chrome/browser/printing/cloud_print/device_description.h"
  
  namespace cloud_print {
  
  class PrivetDeviceLister {
   public:
    PrivetDeviceLister();
    virtual ~PrivetDeviceLister();
  
    class Delegate {
     public:
      virtual ~Delegate() {}
      virtual void DeviceChanged(const std::string& name,
                                 const DeviceDescription& description) = 0;
      virtual void DeviceRemoved(const std::string& name) = 0;
      virtual void DeviceCacheFlushed() = 0;
    };
  
    // Start the PrivetServiceLister.
    virtual void Start() = 0;
  
    virtual void DiscoverNewDevices() = 0;
  };
  
  }  // namespace cloud_print
  
  #endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_DEVICE_LISTER_H_
  