| // Copyright (c) 2010 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_DELETABLE_FILE_REFERENCE_H_ |
| #define WEBKIT_BLOB_DELETABLE_FILE_REFERENCE_H_ |
| #pragma once |
| |
| #include "base/file_path.h" |
| #include "base/ref_counted.h" |
| |
| namespace base { |
| class MessageLoopProxy; |
| } |
| |
| namespace webkit_blob { |
| |
| // A refcounted wrapper around a FilePath that schedules the file |
| // to be deleted upon final release. |
| class DeletableFileReference : public base::RefCounted<DeletableFileReference> { |
| public: |
| // Returns a DeletableFileReference for the given path, if no reference |
| // for this path exists returns NULL. |
| static scoped_refptr<DeletableFileReference> Get(const FilePath& path); |
| |
| // Returns a DeletableFileReference for the given path, creating a new |
| // reference if none yet exists. |
| static scoped_refptr<DeletableFileReference> GetOrCreate( |
| const FilePath& path, base::MessageLoopProxy* file_thread); |
| |
| // The full file path. |
| const FilePath& path() const { return path_; } |
| |
| private: |
| friend class base::RefCounted<DeletableFileReference>; |
| |
| DeletableFileReference( |
| const FilePath& path, base::MessageLoopProxy* file_thread); |
| ~DeletableFileReference(); |
| |
| const FilePath path_; |
| scoped_refptr<base::MessageLoopProxy> file_thread_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DeletableFileReference); |
| }; |
| |
| } // namespace webkit_blob |
| |
| #endif // BASE_DELETABLE_FILE_REFERENCE_H_ |