components/update_client/update_query_params_delegate.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_DELEGATE_H_
   6 #define COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11
  12 namespace update_client {
  13
  14 // Embedders can specify an UpdateQueryParamsDelegate to provide additional
  15 // custom parameters. If not specified (Set is never called), no additional
  16 // parameters are added.
  17 class UpdateQueryParamsDelegate {
  18  public:
  19   UpdateQueryParamsDelegate();
  20   virtual ~UpdateQueryParamsDelegate();
  21
  22   // Returns additional parameters, if any. If there are any parameters, the
  23   // string should begin with a & character.
  24   virtual std::string GetExtraParams() = 0;
  25
  26  private:
  27   DISALLOW_COPY_AND_ASSIGN(UpdateQueryParamsDelegate);
  28 };
  29
  30 }  // namespace update_client
  31
  32 #endif  // COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_DELEGATE_H_