gdata: Add GetEntryInfoByPath() and ReadDirectoryByPath() to GDataDirectoryService

chrome/browser/chromeos/gdata/gdata_file_system_interface.h

 // Copyright (c) 2012 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 CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_INTERFACE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 23 matching lines @@
   bool is_directory;
 };
 
 // Used to get files from the file system.
 typedef base::Callback<void(GDataFileError error,
                             const FilePath& file_path,
                             const std::string& mime_type,
                             GDataFileType file_type)> GetFileCallback;
 
 // Used to get entry info from the file system, with the gdata file path.
-// If |error| is not PLATFORM_FILE_OK, |file_info| is set to NULL.
+// If |error| is not GDATA_FILE_OK, |file_info| is set to NULL.
 //
 // |gdata_file_path| parameter is provided as GDataEntryProto does not contain
 // the gdata file path (i.e. only contains the base name without parent
 // directory names).
 typedef base::Callback<void(GDataFileError error,
                             const FilePath& gdata_file_path,
                             scoped_ptr<GDataEntryProto> file_proto)>
     GetEntryInfoWithFilePathCallback;
 
-// Used to get entry info from the file system.
-// If |error| is not PLATFORM_FILE_OK, |entry_info| is set to NULL.
-typedef base::Callback<void(GDataFileError error,
-                            scoped_ptr<GDataEntryProto> entry_proto)>
-    GetEntryInfoCallback;
-
 // Used to read a directory from the file system.
-// If |error| is not PLATFORM_FILE_OK, |entries| is set to NULL.
+// Similar to ReadDirectoryCallback but this one provides
+// |hide_hosted_documents|
+// If |error| is not GDATA_FILE_OK, |entries| is set to NULL.
 // |entries| are contents, both files and directories, of the directory.
-typedef std::vector<GDataEntryProto> GDataEntryProtoVector;
 typedef base::Callback<void(GDataFileError error,
                             bool hide_hosted_documents,
                             scoped_ptr<GDataEntryProtoVector> entries)>
-    ReadDirectoryCallback;
+    ReadDirectoryWithSettingCallback;
 
 // Used to get drive content search results.
-// If |error| is not PLATFORM_FILE_OK, |result_paths| is empty.
+// If |error| is not GDATA_FILE_OK, |result_paths| is empty.
 typedef base::Callback<void(
     GDataFileError error,
     const GURL& next_feed,
     scoped_ptr<std::vector<SearchResultInfo> > result_paths)> SearchCallback;
 
 // Used to open files from the file system. |file_path| is the path on the local
 // file system for the opened file.
 typedef base::Callback<void(GDataFileError error,
                             const FilePath& file_path)> OpenFileCallback;
 
@@ skipping 220 matching lines @@
   // retrieve and refresh file system content from server and disk cache.
   //
   // Can be called from UI/IO thread. |callback| is run on the calling thread.
   virtual void GetEntryInfoByPath(const FilePath& file_path,
                                   const GetEntryInfoCallback& callback) = 0;
 
   // Finds and reads a directory by |file_path|. This call will also retrieve
   // and refresh file system content from server and disk cache.
   //
   // Can be called from UI/IO thread. |callback| is run on the calling thread.
-  virtual void ReadDirectoryByPath(const FilePath& file_path,
-                                   const ReadDirectoryCallback& callback) = 0;
+  virtual void ReadDirectoryByPath(
+      const FilePath& file_path,
+      const ReadDirectoryWithSettingCallback& callback) = 0;
 
   // Requests a refresh of the directory pointed by |file_path| (i.e. fetches
   // the latest metadata of files in the target directory).
   //
   // In particular, this function is used to get the latest thumbnail
   // URLs. Thumbnail URLs change periodically even if contents of files are
   // not changed, hence we should get the new thumbnail URLs manually if we
   // detect that the existing thumbnail URLs are stale.
   //
   // Upon success, the metadata of files in the target directory is updated,
@@ skipping 32 matching lines @@
                                const FilePath& virtual_dir_path,
                                scoped_ptr<DocumentEntry> entry,
                                const FilePath& file_content_path,
                                GDataCache::FileOperationType cache_operation,
                                const base::Closure& callback) = 0;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_INTERFACE_H_