chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.cc

   1 // Copyright 2013 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 #include "chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h"
   6
   7 #include "chrome/common/extensions/api/file_system_provider.h"
   8
   9 namespace extensions {
  10
  11 namespace {
  12
  13 // Error names from
  14 // http://www.w3.org/TR/file-system-api/#errors-and-exceptions
  15 const char kSecurityErrorName[] = "SecurityError";
  16
  17 // Error messages.
  18 const char kEmptyNameErrorMessage[] = "Empty display name is not allowed";
  19
  20 // Creates a dictionary, which looks like a DOMError. The returned dictionary
  21 // will be converted to a real DOMError object in
  22 // file_system_provier_custom_bindings.js.
  23 base::DictionaryValue* CreateError(const std::string& name,
  24                                    const std::string& message) {
  25   base::DictionaryValue* error = new base::DictionaryValue();
  26   error->SetString("name", name);
  27   error->SetString("message", message);
  28   return error;
  29 }
  30
  31 }  // namespace
  32
  33 bool FileSystemProviderMountFunction::RunImpl() {
  34   using extensions::api::file_system_provider::Mount::Params;
  35   const scoped_ptr<Params> params(Params::Create(*args_));
  36   EXTENSION_FUNCTION_VALIDATE(params);
  37
  38   // It's an error if the display name is empty.
  39   if (params->display_name.empty()) {
  40     const std::string file_system_id = "";
  41
  42     base::ListValue* result = new base::ListValue();
  43     result->Append(new base::StringValue(file_system_id));
  44     result->Append(CreateError(kSecurityErrorName,
  45                                kEmptyNameErrorMessage));
  46     SetResult(result);
  47     SendResponse(true);
  48     return true;
  49   }
  50
  51   // TODO(satorux): Implement the real logic.
  52   const std::string file_system_id = params->display_name;
  53
  54   base::ListValue* result = new base::ListValue();
  55   result->Append(new base::StringValue(file_system_id));
  56   // Don't append an error on success.
  57
  58   SetResult(result);
  59   SendResponse(true);
  60   return true;
  61 }
  62
  63 }  // namespace extensions