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Side by Side Diff: webkit/fileapi/file_system_file_stream_reader.h

Issue 11103031: webkit: Merge blob and fileapi into one build target 'storage' (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Leave *.gypi files in blob and fileapi Created 8 years, 2 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_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_ 5 #ifndef WEBKIT_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_
6 #define WEBKIT_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_ 6 #define WEBKIT_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_
7 7
8 #include "base/bind.h" 8 #include "base/bind.h"
9 #include "base/memory/ref_counted.h" 9 #include "base/memory/ref_counted.h"
10 #include "base/platform_file.h" 10 #include "base/platform_file.h"
11 #include "base/time.h" 11 #include "base/time.h"
12 #include "webkit/fileapi/file_system_url.h"
13 #include "webkit/fileapi/fileapi_export.h"
14 #include "webkit/blob/file_stream_reader.h" 12 #include "webkit/blob/file_stream_reader.h"
15 #include "webkit/blob/shareable_file_reference.h" 13 #include "webkit/blob/shareable_file_reference.h"
14 #include "webkit/fileapi/file_system_url.h"
15 #include "webkit/storage/webkit_storage_export.h"
16 16
17 class FilePath; 17 class FilePath;
18 18
19 namespace base { 19 namespace base {
20 class SequencedTaskRunner; 20 class SequencedTaskRunner;
21 } 21 }
22 22
23 namespace webkit_blob { 23 namespace webkit_blob {
24 class LocalFileStreamReader; 24 class LocalFileStreamReader;
25 } 25 }
26 26
27 namespace fileapi { 27 namespace fileapi {
28 28
29 class FileSystemContext; 29 class FileSystemContext;
30 30
31 // TODO(kinaba,satorux): This generic implementation would work for any 31 // TODO(kinaba,satorux): This generic implementation would work for any
32 // filesystems but remote filesystem should implement its own reader 32 // filesystems but remote filesystem should implement its own reader
33 // rather than relying on FileSystemOperation::GetSnapshotFile() which 33 // rather than relying on FileSystemOperation::GetSnapshotFile() which
34 // may force downloading the entire contents for remote files. 34 // may force downloading the entire contents for remote files.
35 class FILEAPI_EXPORT_PRIVATE FileSystemFileStreamReader 35 class WEBKIT_STORAGE_EXPORT_PRIVATE FileSystemFileStreamReader
36 : public webkit_blob::FileStreamReader { 36 : public webkit_blob::FileStreamReader {
37 public: 37 public:
38 // Creates a new FileReader for a filesystem URL |url| form |initial_offset|. 38 // Creates a new FileReader for a filesystem URL |url| form |initial_offset|.
39 // |expected_modification_time| specifies the expected last modification if 39 // |expected_modification_time| specifies the expected last modification if
40 // the value is non-null, the reader will check the underlying file's actual 40 // the value is non-null, the reader will check the underlying file's actual
41 // modification time to see if the file has been modified, and if it does any 41 // modification time to see if the file has been modified, and if it does any
42 // succeeding read operations should fail with ERR_UPLOAD_FILE_CHANGED error. 42 // succeeding read operations should fail with ERR_UPLOAD_FILE_CHANGED error.
43 FileSystemFileStreamReader(FileSystemContext* file_system_context, 43 FileSystemFileStreamReader(FileSystemContext* file_system_context,
44 const FileSystemURL& url, 44 const FileSystemURL& url,
45 int64 initial_offset, 45 int64 initial_offset,
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71 scoped_refptr<webkit_blob::ShareableFileReference> snapshot_ref_; 71 scoped_refptr<webkit_blob::ShareableFileReference> snapshot_ref_;
72 bool has_pending_create_snapshot_; 72 bool has_pending_create_snapshot_;
73 base::WeakPtrFactory<FileSystemFileStreamReader> weak_factory_; 73 base::WeakPtrFactory<FileSystemFileStreamReader> weak_factory_;
74 74
75 DISALLOW_COPY_AND_ASSIGN(FileSystemFileStreamReader); 75 DISALLOW_COPY_AND_ASSIGN(FileSystemFileStreamReader);
76 }; 76 };
77 77
78 } // namespace fileapi 78 } // namespace fileapi
79 79
80 #endif // WEBKIT_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_ 80 #endif // WEBKIT_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_
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