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| author | pilgrim <pilgrim@chromium.org> | 2014-09-05 10:30:15 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2014-09-05 17:32:24 +0000 |
| commit | 4af8c2120e23d17c1cac3f929c3a1d901c5701ab (patch) | |
| tree | 40e4ca0d45ec498ea74b9b4b232764abc1ec6ab1 /webkit/browser/fileapi/file_stream_writer.h | |
| parent | a602902631a762be0b49ac0af09de0c9c840e183 (diff) | |
| download | chromium_src-4af8c2120e23d17c1cac3f929c3a1d901c5701ab.zip chromium_src-4af8c2120e23d17c1cac3f929c3a1d901c5701ab.tar.gz chromium_src-4af8c2120e23d17c1cac3f929c3a1d901c5701ab.tar.bz2 | |
Migrate webkit/browser/ to storage/browser/
using TBR because Darin told me he defers to James' judgement. Using NOTRY because there is one presubmit error (dump_file_system.cc was moved and it spews printf).
BUG=338338
TBR=darin@chromium.org
NOTRY=true
Review URL: https://codereview.chromium.org/539143002
Cr-Commit-Position: refs/heads/master@{#293547}
Diffstat (limited to 'webkit/browser/fileapi/file_stream_writer.h')
| -rw-r--r-- | webkit/browser/fileapi/file_stream_writer.h | 86 |
1 files changed, 2 insertions, 84 deletions
diff --git a/webkit/browser/fileapi/file_stream_writer.h b/webkit/browser/fileapi/file_stream_writer.h index d2467b3..9a6e6f3 100644 --- a/webkit/browser/fileapi/file_stream_writer.h +++ b/webkit/browser/fileapi/file_stream_writer.h @@ -1,87 +1,5 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Copyright 2014 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_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_ -#define WEBKIT_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_ - -#include "base/basictypes.h" -#include "net/base/completion_callback.h" -#include "webkit/browser/storage_browser_export.h" - -namespace base { -class FilePath; -class TaskRunner; -} - -namespace net { -class IOBuffer; -} - -namespace storage { - -// A generic interface for writing to a file-like object. -class FileStreamWriter { - public: - enum OpenOrCreate { OPEN_EXISTING_FILE, CREATE_NEW_FILE }; - - // Creates a writer for the existing file in the path |file_path| starting - // from |initial_offset|. Uses |task_runner| for async file operations. - STORAGE_EXPORT static FileStreamWriter* CreateForLocalFile( - base::TaskRunner* task_runner, - const base::FilePath& file_path, - int64 initial_offset, - OpenOrCreate open_or_create); - - // Closes the file. If there's an in-flight operation, it is canceled (i.e., - // the callback function associated with the operation is not called). - virtual ~FileStreamWriter() {} - - // Writes to the current cursor position asynchronously. - // - // Up to buf_len bytes will be written. (In other words, partial - // writes are allowed.) If the write completed synchronously, it returns - // the number of bytes written. If the operation could not be performed, it - // returns an error code. Otherwise, net::ERR_IO_PENDING is returned, and the - // callback will be run on the thread where Write() was called when the write - // has completed. - // - // This errors out (either synchronously or via callback) with: - // net::ERR_FILE_NOT_FOUND: When the target file is not found. - // net::ERR_ACCESS_DENIED: When the target file is a directory or - // the writer has no permission on the file. - // net::ERR_FILE_NO_SPACE: When the write will result in out of quota - // or there is not enough room left on the disk. - // - // It is invalid to call Write while there is an in-flight async operation. - virtual int Write(net::IOBuffer* buf, int buf_len, - const net::CompletionCallback& callback) = 0; - - // Cancels an in-flight async operation. - // - // If the cancel is finished synchronously, it returns net::OK. If the - // cancel could not be performed, it returns an error code. Especially when - // there is no in-flight operation, net::ERR_UNEXPECTED is returned. - // Otherwise, net::ERR_IO_PENDING is returned, and the callback will be run on - // the thread where Cancel() was called when the cancel has completed. It is - // invalid to call Cancel() more than once on the same async operation. - // - // In either case, the callback function passed to the in-flight async - // operation is dismissed immediately when Cancel() is called, and thus - // will never be called. - virtual int Cancel(const net::CompletionCallback& callback) = 0; - - // Flushes the data written so far. - // - // If the flush finished synchronously, it return net::OK. If the flush could - // not be performed, it returns an error code. Otherwise, net::ERR_IO_PENDING - // is returned, and the callback will be run on the thread where Flush() was - // called when the flush has completed. - // - // It is invalid to call Flush while there is an in-flight async operation. - virtual int Flush(const net::CompletionCallback& callback) = 0; -}; - -} // namespace storage - -#endif // WEBKIT_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_ +#include "storage/browser/fileapi/file_stream_writer.h" |