diff options
Diffstat (limited to 'chromium/content/browser/loader/temporary_file_stream.h')
-rw-r--r-- | chromium/content/browser/loader/temporary_file_stream.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/chromium/content/browser/loader/temporary_file_stream.h b/chromium/content/browser/loader/temporary_file_stream.h new file mode 100644 index 00000000000..1cb4bc25be8 --- /dev/null +++ b/chromium/content/browser/loader/temporary_file_stream.h @@ -0,0 +1,45 @@ +// 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 CONTENT_BROWSER_LOADER_TEMPORARY_FILE_STREAM_H_ +#define CONTENT_BROWSER_LOADER_TEMPORARY_FILE_STREAM_H_ + +#include "base/callback_forward.h" +#include "base/files/file.h" +#include "base/memory/scoped_ptr.h" +#include "content/common/content_export.h" + +namespace net { +class FileStream; +} + +namespace webkit_blob { +class ShareableFileReference; +} + +namespace content { + +typedef base::Callback<void(base::File::Error, + scoped_ptr<net::FileStream>, + webkit_blob::ShareableFileReference*)> + CreateTemporaryFileStreamCallback; + +// Creates a temporary file and asynchronously calls |callback| with a +// net::FileStream and webkit_blob::ShareableFileReference. The file is deleted +// when the webkit_blob::ShareableFileReference is deleted. Note it is the +// consumer's responsibility to ensure the webkit_blob::ShareableFileReference +// stays in scope until net::FileStream has finished closing the file. On error, +// |callback| is called with an error in the first parameter. +// +// This function may only be called on the IO thread. +// +// TODO(davidben): Juggling the net::FileStream and +// webkit_blob::ShareableFileReference lifetimes is a nuisance. The two should +// be tied together so the consumer need not deal with it. +CONTENT_EXPORT void CreateTemporaryFileStream( + const CreateTemporaryFileStreamCallback& callback); + +} // namespace content + +#endif // CONTENT_BROWSER_LOADER_TEMPORARY_FILE_STREAM_H_ |