chrome/browser/chromeos/file_system_provider/request_value.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 CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_REQUEST_VALUE_H_
   6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_REQUEST_VALUE_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/common/extensions/api/file_system_provider_internal.h"
  12
  13 namespace chromeos {
  14 namespace file_system_provider {
  15
  16 // Holds a parsed value returned by a providing extension. Each accessor can
  17 // return NULL in case the requested value type is not available. It is used
  18 // to pass values of success callbacks.
  19 class RequestValue {
  20  public:
  21   // Creates an empty value. Use static methods to create a value holding a
  22   // proper content.
  23   RequestValue();
  24
  25   virtual ~RequestValue();
  26
  27   static scoped_ptr<RequestValue> CreateForUnmountSuccess(
  28       scoped_ptr<extensions::api::file_system_provider_internal::
  29                      UnmountRequestedSuccess::Params> params);
  30
  31   static scoped_ptr<RequestValue> CreateForGetMetadataSuccess(
  32       scoped_ptr<extensions::api::file_system_provider_internal::
  33                      GetMetadataRequestedSuccess::Params> params);
  34
  35   static scoped_ptr<RequestValue> CreateForTesting(const std::string& params);
  36
  37   const extensions::api::file_system_provider_internal::
  38       UnmountRequestedSuccess::Params*
  39       unmount_success_params() const {
  40     return unmount_success_params_.get();
  41   }
  42
  43   const extensions::api::file_system_provider_internal::
  44       GetMetadataRequestedSuccess::Params*
  45       get_metadata_success_params() const {
  46     return get_metadata_success_params_.get();
  47   }
  48
  49   const std::string* testing_params() const { return testing_params_.get(); }
  50
  51  private:
  52   scoped_ptr<extensions::api::file_system_provider_internal::
  53                  UnmountRequestedSuccess::Params> unmount_success_params_;
  54   scoped_ptr<extensions::api::file_system_provider_internal::
  55                  GetMetadataRequestedSuccess::Params>
  56       get_metadata_success_params_;
  57   scoped_ptr<std::string> testing_params_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(RequestValue);
  60 };
  61
  62 }  // namespace file_system_provider
  63 }  // namespace chromeos
  64
  65 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_REQUEST_VALUE_H_