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Unified Diff: webkit/blob/local_file_stream_reader.h

Issue 15746017: Move webkit/blob to new locations. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 7 years, 7 months ago
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Index: webkit/blob/local_file_stream_reader.h
===================================================================
--- webkit/blob/local_file_stream_reader.h (revision 202679)
+++ webkit/blob/local_file_stream_reader.h (working copy)
@@ -1,83 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef WEBKIT_BLOB_LOCAL_FILE_STREAM_READER_H_
-#define WEBKIT_BLOB_LOCAL_FILE_STREAM_READER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/files/file_path.h"
-#include "base/memory/weak_ptr.h"
-#include "base/platform_file.h"
-#include "base/time.h"
-#include "webkit/blob/file_stream_reader.h"
-#include "webkit/storage/webkit_storage_export.h"
-
-namespace base {
-class TaskRunner;
-}
-
-namespace net {
-class FileStream;
-}
-
-namespace webkit_blob {
-
-// A thin wrapper of net::FileStream with range support for sliced file
-// handling.
-class WEBKIT_STORAGE_EXPORT LocalFileStreamReader : public FileStreamReader {
- public:
- // Creates a new FileReader for a local file |file_path|.
- // |initial_offset| specifies the offset in the file where the first read
- // should start. If the given offset is out of the file range any
- // read operation may error out with net::ERR_REQUEST_RANGE_NOT_SATISFIABLE.
- //
- // |expected_modification_time| specifies the expected last modification
- // If the value is non-null, the reader will check the underlying file's
- // actual modification time to see if the file has been modified, and if
- // it does any succeeding read operations should fail with
- // ERR_UPLOAD_FILE_CHANGED error.
- LocalFileStreamReader(base::TaskRunner* task_runner,
- const base::FilePath& file_path,
- int64 initial_offset,
- const base::Time& expected_modification_time);
- virtual ~LocalFileStreamReader();
-
- // FileStreamReader overrides.
- virtual int Read(net::IOBuffer* buf, int buf_len,
- const net::CompletionCallback& callback) OVERRIDE;
- virtual int64 GetLength(
- const net::Int64CompletionCallback& callback) OVERRIDE;
-
- private:
- int Open(const net::CompletionCallback& callback);
-
- // Callbacks that are chained from Open for Read.
- void DidVerifyForOpen(const net::CompletionCallback& callback,
- int64 get_length_result);
- void DidOpenFileStream(const net::CompletionCallback& callback,
- int result);
- void DidSeekFileStream(const net::CompletionCallback& callback,
- int64 seek_result);
- void DidOpenForRead(net::IOBuffer* buf,
- int buf_len,
- const net::CompletionCallback& callback,
- int open_result);
-
- void DidGetFileInfoForGetLength(const net::Int64CompletionCallback& callback,
- base::PlatformFileError error,
- const base::PlatformFileInfo& file_info);
-
- scoped_refptr<base::TaskRunner> task_runner_;
- scoped_ptr<net::FileStream> stream_impl_;
- const base::FilePath file_path_;
- const int64 initial_offset_;
- const base::Time expected_modification_time_;
- bool has_pending_open_;
- base::WeakPtrFactory<LocalFileStreamReader> weak_factory_;
-};
-
-} // namespace webkit_blob
-
-#endif // WEBKIT_BLOB_LOCAL_FILE_STREAM_READER_H_
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