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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 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_PROVIDER_FUNCTIO N_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_PROVIDER_FUNCTIO N_H_ | |
7 #include <string> | |
8 | |
9 #include "base/files/file.h" | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "chrome/browser/extensions/chrome_extension_function.h" | |
12 #include "chrome/common/extensions/api/file_system_provider.h" | |
13 | |
14 class DictionaryValue; | |
hashimoto
2014/05/02 05:56:18
This should be in the base namespace.
mtomasz
2014/05/02 06:29:16
Done.
| |
15 | |
16 namespace chromeos { | |
17 namespace file_system_provider { | |
18 | |
19 class RequestManager; | |
20 class RequestValue; | |
21 | |
22 } // file_system_provider | |
23 } // chromeos | |
24 | |
25 namespace extensions { | |
26 | |
27 // Error names from | |
28 // http://www.w3.org/TR/file-system-api/#errors-and-exceptions | |
29 extern const char kNotFoundErrorName[]; | |
30 extern const char kSecurityErrorName[]; | |
31 | |
32 // Error messages. | |
33 extern const char kEmptyNameErrorMessage[]; | |
34 extern const char kMountFailedErrorMessage[]; | |
35 extern const char kUnmountFailedErrorMessage[]; | |
36 extern const char kResponseFailedErrorMessage[]; | |
37 | |
38 // Creates a dictionary, which looks like a DOMError. The returned dictionary | |
39 // will be converted to a real DOMError object in | |
40 // file_system_provier_custom_bindings.js. | |
41 base::DictionaryValue* CreateError(const std::string& name, | |
42 const std::string& message); | |
43 | |
44 // Converts ProviderError to base::File::Error. This could be redundant, if it | |
45 // was possible to create DOMError instances in Javascript easily. | |
46 base::File::Error ProviderErrorToFileError( | |
47 api::file_system_provider::ProviderError error); | |
48 | |
49 // Base class for internal API functions handling request results, either | |
50 // a success or a failure. | |
51 class FileSystemProviderInternalFunction : public ChromeSyncExtensionFunction { | |
52 public: | |
53 FileSystemProviderInternalFunction(); | |
54 | |
55 protected: | |
56 virtual ~FileSystemProviderInternalFunction() {} | |
57 | |
58 // Rejects the request and sets a response for this API function. Returns | |
59 // a value to be returned by the caller (RunImpl). | |
hashimoto
2014/05/02 05:56:18
Seems this function returns nothing?
mtomasz
2014/05/02 06:29:16
Done.
| |
60 void RejectRequest(base::File::Error error); | |
61 | |
62 // Fulfils the request with parsed arguments of this API function encapsulated | |
hashimoto
2014/05/02 05:56:18
nit: s/Fulfils/Fulfills/
mtomasz
2014/05/02 06:29:16
Done.
| |
63 // as a RequestValue instance. If |has_next| is set to true, then the function | |
64 // will be called again for this request. Returns a value to be returned by | |
hashimoto
2014/05/02 05:56:18
Seems this function returns nothing?
mtomasz
2014/05/02 06:29:16
Done.
| |
65 // the caller (RunImpl). | |
66 void FulfillRequest( | |
67 scoped_ptr<chromeos::file_system_provider::RequestValue> value, | |
68 bool has_next); | |
69 | |
70 // ChromeSyncExtensionFunction overrides. | |
71 virtual bool RunImpl() OVERRIDE; | |
72 | |
73 private: | |
74 // Parses the request in order to extract the request manager. If fails, then | |
75 // sets a response and returns false. | |
76 bool Parse(); | |
77 | |
78 // Sets an error message in case of a failure. | |
79 void SetErrorResponse(const std::string& name, const std::string& message); | |
80 | |
81 int request_id_; | |
82 chromeos::file_system_provider::RequestManager* request_manager_; | |
83 }; | |
84 | |
85 } // namespace extensions | |
86 | |
87 #endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_PROVIDER_FUNC TION_H_ | |
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