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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_EXTENSIONS_FILE_READER_H_ | 5 #ifndef EXTENSIONS_BROWSER_FILE_READER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_FILE_READER_H_ | 6 #define EXTENSIONS_BROWSER_FILE_READER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
12 #include "chrome/common/extensions/extension_resource.h" | 12 #include "extensions/common/extension_resource.h" |
13 | 13 |
14 class MessageLoop; | 14 class MessageLoop; |
15 | 15 |
16 // This file defines an interface for reading a file asynchronously on a | 16 // This file defines an interface for reading a file asynchronously on a |
17 // background thread. | 17 // background thread. |
18 // Consider abstracting out a FilePathProvider (ExtensionResource) and moving | 18 // Consider abstracting out a FilePathProvider (ExtensionResource) and moving |
19 // back to chrome/browser/net if other subsystems want to use it. | 19 // back to chrome/browser/net if other subsystems want to use it. |
20 class FileReader : public base::RefCountedThreadSafe<FileReader> { | 20 class FileReader : public base::RefCountedThreadSafe<FileReader> { |
21 public: | 21 public: |
22 // Reports success or failure and the data of the file upon success. | 22 // Reports success or failure and the data of the file upon success. |
23 typedef base::Callback<void(bool, const std::string&)> Callback; | 23 typedef base::Callback<void(bool, const std::string&)> Callback; |
24 | 24 |
25 FileReader(const ExtensionResource& resource, const Callback& callback); | 25 FileReader(const extensions::ExtensionResource& resource, |
| 26 const Callback& callback); |
26 | 27 |
27 // Called to start reading the file on a background thread. Upon completion, | 28 // Called to start reading the file on a background thread. Upon completion, |
28 // the callback will be notified of the results. | 29 // the callback will be notified of the results. |
29 void Start(); | 30 void Start(); |
30 | 31 |
31 private: | 32 private: |
32 friend class base::RefCountedThreadSafe<FileReader>; | 33 friend class base::RefCountedThreadSafe<FileReader>; |
33 | 34 |
34 virtual ~FileReader(); | 35 virtual ~FileReader(); |
35 | 36 |
36 void ReadFileOnBackgroundThread(); | 37 void ReadFileOnBackgroundThread(); |
37 | 38 |
38 ExtensionResource resource_; | 39 extensions::ExtensionResource resource_; |
39 Callback callback_; | 40 Callback callback_; |
40 MessageLoop* origin_loop_; | 41 MessageLoop* origin_loop_; |
41 }; | 42 }; |
42 | 43 |
43 #endif // CHROME_BROWSER_EXTENSIONS_FILE_READER_H_ | 44 #endif // EXTENSIONS_BROWSER_FILE_READER_H_ |
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