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Side by Side Diff: storage/browser/fileapi/quota/open_file_handle_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 2013 The Chromium Authors. All rights reserved. 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 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_OPEN_FILE_HANDLE_CONTEXT_H_ 5 #ifndef WEBKIT_BROWSER_FILEAPI_OPEN_FILE_HANDLE_CONTEXT_H_
6 #define WEBKIT_BROWSER_FILEAPI_OPEN_FILE_HANDLE_CONTEXT_H_ 6 #define WEBKIT_BROWSER_FILEAPI_OPEN_FILE_HANDLE_CONTEXT_H_
7 7
8 #include <map> 8 #include <map>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/files/file_path.h" 11 #include "base/files/file_path.h"
12 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
13 #include "base/memory/weak_ptr.h" 13 #include "base/memory/weak_ptr.h"
14 #include "url/gurl.h" 14 #include "url/gurl.h"
15 #include "webkit/browser/webkit_storage_browser_export.h" 15 #include "storage/common/storage_export.h"
16 #include "webkit/common/fileapi/file_system_types.h" 16 #include "storage/common/fileapi/file_system_types.h"
17 17
18 namespace fileapi { 18 namespace storage {
19 19
20 class QuotaReservationBuffer; 20 class QuotaReservationBuffer;
21 21
22 // This class represents a underlying file of a managed FileSystem file. 22 // This class represents a underlying file of a managed FileSystem file.
23 // The instance keeps alive while at least one consumer keeps an open file 23 // The instance keeps alive while at least one consumer keeps an open file
24 // handle. 24 // handle.
25 // This class is usually manipulated only via OpenFileHandle. 25 // This class is usually manipulated only via OpenFileHandle.
26 class OpenFileHandleContext : public base::RefCounted<OpenFileHandleContext> { 26 class OpenFileHandleContext : public base::RefCounted<OpenFileHandleContext> {
27 public: 27 public:
28 OpenFileHandleContext(const base::FilePath& platform_path, 28 OpenFileHandleContext(const base::FilePath& platform_path,
29 QuotaReservationBuffer* reservation_buffer); 29 QuotaReservationBuffer* reservation_buffer);
30 30
31 // Updates the max written offset and returns the amount of growth. 31 // Updates the max written offset and returns the amount of growth.
32 int64 UpdateMaxWrittenOffset(int64 offset); 32 int64 UpdateMaxWrittenOffset(int64 offset);
33 33
34 void AddAppendModeWriteAmount(int64 amount); 34 void AddAppendModeWriteAmount(int64 amount);
35 35
36 const base::FilePath& platform_path() const { 36 const base::FilePath& platform_path() const { return platform_path_; }
37 return platform_path_;
38 }
39 37
40 int64 GetEstimatedFileSize() const; 38 int64 GetEstimatedFileSize() const;
41 int64 GetMaxWrittenOffset() const; 39 int64 GetMaxWrittenOffset() const;
42 40
43 private: 41 private:
44 friend class base::RefCounted<OpenFileHandleContext>; 42 friend class base::RefCounted<OpenFileHandleContext>;
45 virtual ~OpenFileHandleContext(); 43 virtual ~OpenFileHandleContext();
46 44
47 int64 initial_file_size_; 45 int64 initial_file_size_;
48 int64 maximum_written_offset_; 46 int64 maximum_written_offset_;
49 int64 append_mode_write_amount_; 47 int64 append_mode_write_amount_;
50 base::FilePath platform_path_; 48 base::FilePath platform_path_;
51 49
52 scoped_refptr<QuotaReservationBuffer> reservation_buffer_; 50 scoped_refptr<QuotaReservationBuffer> reservation_buffer_;
53 51
54 base::SequenceChecker sequence_checker_; 52 base::SequenceChecker sequence_checker_;
55 53
56 DISALLOW_COPY_AND_ASSIGN(OpenFileHandleContext); 54 DISALLOW_COPY_AND_ASSIGN(OpenFileHandleContext);
57 }; 55 };
58 56
59 } // namespace fileapi 57 } // namespace storage
60 58
61 #endif // WEBKIT_BROWSER_FILEAPI_OPEN_FILE_HANDLE_CONTEXT_H_ 59 #endif // WEBKIT_BROWSER_FILEAPI_OPEN_FILE_HANDLE_CONTEXT_H_
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