| Index: webkit/blob/local_file_stream_reader.h
|
| ===================================================================
|
| --- webkit/blob/local_file_stream_reader.h (revision 201961)
|
| +++ 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,
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| - int64 seek_result);
|
| - void DidOpenForRead(net::IOBuffer* buf,
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| - int buf_len,
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| - 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_
|
|
|