Changes for browser-side implementation for file api.

BUG=32277

TEST=Separate CL for unit test.

Review URL: http://codereview.chromium.org/3212002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@58312 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 61 insertions, 14 deletions

diff --git a/base/file_util_proxy.h b/base/file_util_proxy.h
index 9899c77..dec06e3 100644
--- a/base/file_util_proxy.h
+++ b/base/file_util_proxy.h
@@ -2,10 +2,14 @@
 // 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_
+#ifndef BASE_FILE_UTIL_PROXY_H_
+#define BASE_FILE_UTIL_PROXY_H_
+
+#include <vector>
 
 #include "base/callback.h"
+#include "base/file_path.h"
+#include "base/file_util.h"
 #include "base/platform_file.h"
 #include "base/ref_counted.h"
 #include "base/tracked_objects.h"
@@ -16,6 +20,14 @@ struct FileInfo;
 
 namespace base {
 
+namespace file_util_proxy {
+  // Holds metadata for file or directory entry.
+struct Entry {
+  FilePath::StringType name;
+  bool isDirectory;
+};
+}  // namespace file_util_proxy
+
 class MessageLoopProxy;
 
 // This class provides asynchronous access to common file routines.
@@ -51,31 +63,66 @@ class FileUtilProxy {
                     base::PlatformFile,
                     StatusCallback* callback);
 
+  // Retrieves the information about a file. It is invalid to pass NULL for the
+  // callback.
+  typedef Callback2<base::PlatformFileError /* error code */,
+                    const file_util::FileInfo& /*file_info*/
+                    >::Type GetFileInfoCallback;
+  static bool GetFileInfo(
+      scoped_refptr<MessageLoopProxy> message_loop_proxy,
+      const FilePath& file_path,
+      GetFileInfoCallback* callback);
+
+  typedef Callback2<base::PlatformFileError /* error code */,
+      const std::vector<base::file_util_proxy::Entry>&
+       >::Type ReadDirectoryCallback;
+  static bool ReadDirectory(scoped_refptr<MessageLoopProxy> message_loop_proxy,
+                            const FilePath& file_path,
+                            ReadDirectoryCallback* callback);
+
+  // Copies a file or a directory from |src_file_path| to |dest_file_path|
+  // Error cases:
+  // If destination file doesn't exist or destination's parent
+  // doesn't exists.
+  // If source dir exists but destination path is an existing file.
+  // If source is a parent of destination.
+  // If source doesn't exists.
+  static bool Copy(scoped_refptr<MessageLoopProxy> message_loop_proxy,
+                   const FilePath& src_file_path,
+                   const FilePath& dest_file_path,
+                   StatusCallback* callback);
+
+  // Creates directory at given path. It's an error to create
+  // if |exclusive| is true and dir already exists.
+  static bool CreateDirectory(
+      scoped_refptr<MessageLoopProxy> message_loop_proxy,
+      const FilePath& file_path,
+      bool exclusive,
+      StatusCallback* callback);
+
   // Deletes a file or empty directory.
   static bool Delete(scoped_refptr<MessageLoopProxy> message_loop_proxy,
                      const FilePath& file_path,
                      StatusCallback* callback);
 
-  // Deletes a directory and all of its contents.
-  static bool RecursiveDelete(
+  // Moves a file or a directory from src_file_path to dest_file_path.
+  // Error cases are similar to Copy method's error cases.
+  static bool Move(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
-      const FilePath& file_path,
+      const FilePath& src_file_path,
+      const FilePath& dest_file_path,
       StatusCallback* callback);
 
-  // Retrieves the information about a file. It is invalid to pass NULL for the
-  // callback.
-  typedef Callback2<base::PlatformFileError /* error code */,
-                    const file_util::FileInfo& /*file_info*/
-                    >::Type GetFileInfoCallback;
-  static bool GetFileInfo(
+  // Deletes a directory and all of its contents.
+  static bool RecursiveDelete(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       const FilePath& file_path,
-      GetFileInfoCallback* callback);
+      StatusCallback* callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileUtilProxy);
 };
 
-} // namespace base
+}  // namespace base
 
-#endif  // BASE_FILE_SYSTEM_PROXY_H_
+#endif  // BASE_FILE_UTIL_PROXY_H_