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Side by Side Diff: storage/browser/fileapi/file_system_operation_context.h

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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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 "storage/browser/fileapi/task_runner_bound_observer_list.h"
12 #include "webkit/browser/webkit_storage_browser_export.h" 12 #include "storage/common/storage_export.h"
13 #include "webkit/common/quota/quota_types.h" 13 #include "storage/common/quota/quota_types.h"
14 14
15 namespace base { 15 namespace base {
16 class SequencedTaskRunner; 16 class SequencedTaskRunner;
17 } 17 }
18 18
19 namespace fileapi { 19 namespace storage {
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_BROWSER_EXPORT_PRIVATE FileSystemOperationContext 29 class STORAGE_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 // The backend of |task_runner| must outlive the IO thread. 35 // The backend of |task_runner| must outlive the IO thread.
36 FileSystemOperationContext(FileSystemContext* context, 36 FileSystemOperationContext(FileSystemContext* context,
37 base::SequencedTaskRunner* task_runner); 37 base::SequencedTaskRunner* task_runner);
38 38
39 virtual ~FileSystemOperationContext(); 39 virtual ~FileSystemOperationContext();
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85 // Observers attached to this context. 85 // Observers attached to this context.
86 ChangeObserverList change_observers_; 86 ChangeObserverList change_observers_;
87 UpdateObserverList update_observers_; 87 UpdateObserverList update_observers_;
88 88
89 // Used to check its setters are not called on arbitrary thread. 89 // Used to check its setters are not called on arbitrary thread.
90 base::ThreadChecker setter_thread_checker_; 90 base::ThreadChecker setter_thread_checker_;
91 91
92 DISALLOW_COPY_AND_ASSIGN(FileSystemOperationContext); 92 DISALLOW_COPY_AND_ASSIGN(FileSystemOperationContext);
93 }; 93 };
94 94
95 } // namespace fileapi 95 } // namespace storage
96 96
97 #endif // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_ 97 #endif // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_CONTEXT_H_
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