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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ | 5 #ifndef WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ |
| 6 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ | 6 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ |
| 7 | 7 |
| 8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
| 9 #include "base/supports_user_data.h" | 9 #include "base/supports_user_data.h" |
| 10 #include "base/threading/thread_checker.h" | 10 #include "base/threading/thread_checker.h" |
| 11 #include "webkit/browser/fileapi/task_runner_bound_observer_list.h" | 11 #include "webkit/browser/fileapi/task_runner_bound_observer_list.h" |
| 12 #include "webkit/browser/webkit_storage_browser_export.h" |
| 12 #include "webkit/common/quota/quota_types.h" | 13 #include "webkit/common/quota/quota_types.h" |
| 13 #include "webkit/storage/webkit_storage_export.h" | |
| 14 | 14 |
| 15 namespace base { | 15 namespace base { |
| 16 class SequencedTaskRunner; | 16 class SequencedTaskRunner; |
| 17 } | 17 } |
| 18 | 18 |
| 19 namespace fileapi { | 19 namespace fileapi { |
| 20 | 20 |
| 21 class FileSystemContext; | 21 class FileSystemContext; |
| 22 | 22 |
| 23 // A context class which is carried around by FileSystemOperation and | 23 // A context class which is carried around by FileSystemOperation and |
| 24 // its delegated tasks. It is valid to reuse one context instance across | 24 // its delegated tasks. It is valid to reuse one context instance across |
| 25 // multiple operations as far as those operations are supposed to share | 25 // multiple operations as far as those operations are supposed to share |
| 26 // the same context (e.g. use the same task runner, share the quota etc). | 26 // the same context (e.g. use the same task runner, share the quota etc). |
| 27 // Note that the remaining quota bytes (allowed_bytes_growth) may be | 27 // Note that the remaining quota bytes (allowed_bytes_growth) may be |
| 28 // updated during the execution of write operations. | 28 // updated during the execution of write operations. |
| 29 class WEBKIT_STORAGE_EXPORT_PRIVATE FileSystemOperationContext | 29 class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE FileSystemOperationContext |
| 30 : public base::SupportsUserData { | 30 : public base::SupportsUserData { |
| 31 public: | 31 public: |
| 32 explicit FileSystemOperationContext(FileSystemContext* context); | 32 explicit FileSystemOperationContext(FileSystemContext* context); |
| 33 | 33 |
| 34 // Specifies |task_runner| which the operation is performed on. | 34 // Specifies |task_runner| which the operation is performed on. |
| 35 FileSystemOperationContext(FileSystemContext* context, | 35 FileSystemOperationContext(FileSystemContext* context, |
| 36 base::SequencedTaskRunner* task_runner); | 36 base::SequencedTaskRunner* task_runner); |
| 37 | 37 |
| 38 virtual ~FileSystemOperationContext(); | 38 virtual ~FileSystemOperationContext(); |
| 39 | 39 |
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| 118 | 118 |
| 119 // Used to check its setters are not called on arbitrary thread. | 119 // Used to check its setters are not called on arbitrary thread. |
| 120 base::ThreadChecker setter_thread_checker_; | 120 base::ThreadChecker setter_thread_checker_; |
| 121 | 121 |
| 122 DISALLOW_COPY_AND_ASSIGN(FileSystemOperationContext); | 122 DISALLOW_COPY_AND_ASSIGN(FileSystemOperationContext); |
| 123 }; | 123 }; |
| 124 | 124 |
| 125 } // namespace fileapi | 125 } // namespace fileapi |
| 126 | 126 |
| 127 #endif // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ | 127 #endif // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ |
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