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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_TRUNCATE_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_TRUNCATE_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_TRUNCATE_H_ | 6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_TRUNCATE_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include "base/files/file.h" | 10 #include "base/files/file.h" |
| 11 #include "base/macros.h" |
| 9 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
| 10 #include "chrome/browser/chromeos/file_system_provider/operations/operation.h" | 13 #include "chrome/browser/chromeos/file_system_provider/operations/operation.h" |
| 11 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info
.h" | 14 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info
.h" |
| 12 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte
rface.h" | 15 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte
rface.h" |
| 13 #include "chrome/browser/chromeos/file_system_provider/request_value.h" | 16 #include "chrome/browser/chromeos/file_system_provider/request_value.h" |
| 14 #include "storage/browser/fileapi/async_file_util.h" | 17 #include "storage/browser/fileapi/async_file_util.h" |
| 15 | 18 |
| 16 namespace base { | 19 namespace base { |
| 17 class FilePath; | 20 class FilePath; |
| 18 } // namespace base | 21 } // namespace base |
| 19 | 22 |
| 20 namespace extensions { | 23 namespace extensions { |
| 21 class EventRouter; | 24 class EventRouter; |
| 22 } // namespace extensions | 25 } // namespace extensions |
| 23 | 26 |
| 24 namespace chromeos { | 27 namespace chromeos { |
| 25 namespace file_system_provider { | 28 namespace file_system_provider { |
| 26 namespace operations { | 29 namespace operations { |
| 27 | 30 |
| 28 // Creates a file. If the file already exists, then the operation will fail with | 31 // Creates a file. If the file already exists, then the operation will fail with |
| 29 // the FILE_ERROR_EXISTS error. Created per request. | 32 // the FILE_ERROR_EXISTS error. Created per request. |
| 30 class Truncate : public Operation { | 33 class Truncate : public Operation { |
| 31 public: | 34 public: |
| 32 Truncate(extensions::EventRouter* event_router, | 35 Truncate(extensions::EventRouter* event_router, |
| 33 const ProvidedFileSystemInfo& file_system_info, | 36 const ProvidedFileSystemInfo& file_system_info, |
| 34 const base::FilePath& file_path, | 37 const base::FilePath& file_path, |
| 35 int64 length, | 38 int64_t length, |
| 36 const storage::AsyncFileUtil::StatusCallback& callback); | 39 const storage::AsyncFileUtil::StatusCallback& callback); |
| 37 ~Truncate() override; | 40 ~Truncate() override; |
| 38 | 41 |
| 39 // Operation overrides. | 42 // Operation overrides. |
| 40 bool Execute(int request_id) override; | 43 bool Execute(int request_id) override; |
| 41 void OnSuccess(int request_id, | 44 void OnSuccess(int request_id, |
| 42 scoped_ptr<RequestValue> result, | 45 scoped_ptr<RequestValue> result, |
| 43 bool has_more) override; | 46 bool has_more) override; |
| 44 void OnError(int request_id, | 47 void OnError(int request_id, |
| 45 scoped_ptr<RequestValue> result, | 48 scoped_ptr<RequestValue> result, |
| 46 base::File::Error error) override; | 49 base::File::Error error) override; |
| 47 | 50 |
| 48 private: | 51 private: |
| 49 base::FilePath file_path_; | 52 base::FilePath file_path_; |
| 50 int64 length_; | 53 int64_t length_; |
| 51 const storage::AsyncFileUtil::StatusCallback callback_; | 54 const storage::AsyncFileUtil::StatusCallback callback_; |
| 52 | 55 |
| 53 DISALLOW_COPY_AND_ASSIGN(Truncate); | 56 DISALLOW_COPY_AND_ASSIGN(Truncate); |
| 54 }; | 57 }; |
| 55 | 58 |
| 56 } // namespace operations | 59 } // namespace operations |
| 57 } // namespace file_system_provider | 60 } // namespace file_system_provider |
| 58 } // namespace chromeos | 61 } // namespace chromeos |
| 59 | 62 |
| 60 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_TRUNCATE_H_ | 63 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_TRUNCATE_H_ |
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