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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_ | |
| 6 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_ | |
| 7 | |
| 8 #include "base/bind.h" | |
| 9 #include "base/files/file.h" | |
| 10 #include "base/memory/ref_counted.h" | |
| 11 #include "base/time/time.h" | |
| 12 #include "webkit/browser/blob/file_stream_reader.h" | |
| 13 #include "webkit/browser/fileapi/file_system_url.h" | |
| 14 #include "webkit/browser/webkit_storage_browser_export.h" | |
| 15 #include "webkit/common/blob/shareable_file_reference.h" | |
| 16 | |
| 17 namespace base { | |
| 18 class FilePath; | |
| 19 class SequencedTaskRunner; | |
| 20 } | |
| 21 | |
| 22 namespace content { | |
| 23 class FileSystemFileStreamReaderTest; | |
| 24 } | |
| 25 | |
| 26 namespace fileapi { | |
| 27 | |
| 28 class FileSystemContext; | |
| 29 | |
| 30 // Generic FileStreamReader implementation for FileSystem files. | |
| 31 // Note: This generic implementation would work for any filesystems but | |
| 32 // remote filesystem should implement its own reader rather than relying | |
| 33 // on FileSystemOperation::GetSnapshotFile() which may force downloading | |
| 34 // the entire contents for remote files. | |
| 35 class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE FileSystemFileStreamReader | |
| 36 : public NON_EXPORTED_BASE(webkit_blob::FileStreamReader) { | |
| 37 public: | |
| 38 virtual ~FileSystemFileStreamReader(); | |
| 39 | |
| 40 // FileStreamReader overrides. | |
| 41 virtual int Read(net::IOBuffer* buf, int buf_len, | |
| 42 const net::CompletionCallback& callback) OVERRIDE; | |
| 43 virtual int64 GetLength( | |
| 44 const net::Int64CompletionCallback& callback) OVERRIDE; | |
| 45 | |
| 46 private: | |
| 47 friend class webkit_blob::FileStreamReader; | |
| 48 friend class content::FileSystemFileStreamReaderTest; | |
| 49 | |
| 50 FileSystemFileStreamReader(FileSystemContext* file_system_context, | |
| 51 const FileSystemURL& url, | |
| 52 int64 initial_offset, | |
| 53 const base::Time& expected_modification_time); | |
| 54 | |
| 55 int CreateSnapshot(const base::Closure& callback, | |
| 56 const net::CompletionCallback& error_callback); | |
| 57 void DidCreateSnapshot( | |
| 58 const base::Closure& callback, | |
| 59 const net::CompletionCallback& error_callback, | |
| 60 base::File::Error file_error, | |
| 61 const base::File::Info& file_info, | |
| 62 const base::FilePath& platform_path, | |
| 63 const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref); | |
| 64 | |
| 65 scoped_refptr<FileSystemContext> file_system_context_; | |
| 66 FileSystemURL url_; | |
| 67 const int64 initial_offset_; | |
| 68 const base::Time expected_modification_time_; | |
| 69 scoped_ptr<webkit_blob::FileStreamReader> local_file_reader_; | |
| 70 scoped_refptr<webkit_blob::ShareableFileReference> snapshot_ref_; | |
| 71 bool has_pending_create_snapshot_; | |
| 72 base::WeakPtrFactory<FileSystemFileStreamReader> weak_factory_; | |
| 73 | |
| 74 DISALLOW_COPY_AND_ASSIGN(FileSystemFileStreamReader); | |
| 75 }; | |
| 76 | |
| 77 } // namespace fileapi | |
| 78 | |
| 79 #endif // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_ | |
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Chromium Code Reviews
Issue 442383002:
Move storage-related files from webkit/ to new top-level directory storage/ (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src