Moving file_system_proxy to base/ and changing it to work with MessageLoopProxies instead of ChromeThreads.
BUG=none
TEST=none
Review URL: http://codereview.chromium.org/3131026
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56923 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: b90c93fff90803a61d25a71a64c6bb06a73de358
diff --git a/base/file_util_proxy.h b/base/file_util_proxy.h
new file mode 100644
index 0000000..cd6b158
--- /dev/null
+++ b/base/file_util_proxy.h
@@ -0,0 +1,64 @@
+// 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 BASE_FILE_SYSTEM_PROXY_H_
+#define BASE_FILE_SYSTEM_PROXY_H_
+
+#include "base/callback.h"
+#include "base/platform_file.h"
+#include "base/ref_counted.h"
+#include "base/tracked_objects.h"
+
+namespace base {
+
+class MessageLoopProxy;
+
+// This class provides asynchronous access to common file routines.
+class FileUtilProxy {
+ public:
+ // This callback is used by methods that report success with a bool. It is
+ // valid to pass NULL as the callback parameter to any function that takes a
+ // StatusCallback, in which case the operation will complete silently.
+ typedef Callback1<bool /* succeeded */>::Type StatusCallback;
+
+ // Creates or opens a file with the given flags. It is invalid to pass NULL
+ // for the callback.
+ typedef Callback2<base::PassPlatformFile, bool /* created */>::Type
+ CreateOrOpenCallback;
+ static void CreateOrOpen(scoped_refptr<MessageLoopProxy> message_loop_proxy,
+ const FilePath& file_path,
+ int file_flags,
+ CreateOrOpenCallback* callback);
+
+ // Creates a temporary file for writing. The path and an open file handle
+ // are returned. It is invalid to pass NULL for the callback.
+ typedef Callback2<base::PassPlatformFile, FilePath>::Type
+ CreateTemporaryCallback;
+ static void CreateTemporary(
+ scoped_refptr<MessageLoopProxy> message_loop_proxy,
+ CreateTemporaryCallback* callback);
+
+ // Close the given file handle.
+ static void Close(scoped_refptr<MessageLoopProxy> message_loop_proxy,
+ base::PlatformFile,
+ StatusCallback* callback);
+
+ // Deletes a file or empty directory.
+ static void Delete(scoped_refptr<MessageLoopProxy> message_loop_proxy,
+ const FilePath& file_path,
+ StatusCallback* callback);
+
+ // Deletes a directory and all of its contents.
+ static void RecursiveDelete(
+ scoped_refptr<MessageLoopProxy> message_loop_proxy,
+ const FilePath& file_path,
+ StatusCallback* callback);
+
+ private:
+ DISALLOW_IMPLICIT_CONSTRUCTORS(FileUtilProxy);
+};
+
+} // namespace base
+
+#endif // BASE_FILE_SYSTEM_PROXY_H_