gdata: Add GDataDirectoryService::AddEntryToDirectory()

chrome/browser/chromeos/gdata/gdata_file_system.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_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 518 matching lines @@
   void UpdateFileCountUmaHistograms(
       const FeedToFileResourceMapUmaStats& uma_stats) const;
 
   // Applies the pre-processed feed from |file_map| map onto the file system.
   // All entries in |file_map| will be erased (i.e. the map becomes empty),
   // and values are deleted.
   void ApplyFeedFromFileUrlMap(bool is_delta_feed,
                                int feed_changestamp,
                                FileResourceIdMap* file_map);
 
+  // Helper function for adding new |file| from the feed into |directory|. It
+  // checks the type of file and updates |changed_dirs| if this file adding
+  // operation needs to raise directory notification update. If file is being
+  // added to |orphaned_dir_service| such notifications are not raised since
+  // we ignore such files and don't add them to the file system now.
+  // static
+  static void AddEntryToDirectoryAndCollectChangedDirectories(
+      GDataEntry* entry,
+      GDataDirectory* directory,
+      GDataDirectoryService* orphaned_dir_service,
+      std::set<FilePath>* changed_dirs);
+
+  // Helper function for removing |entry| from |directory|. If |entry| is a
+  // directory too, it will collect all its children file paths into
+  // |changed_dirs| as well.
+  // static
+  static void RemoveEntryFromDirectoryAndCollectChangedDirectories(
+      GDataDirectory* directory,
+      GDataEntry* entry,
+      std::set<FilePath>* changed_dirs);
+
   // Finds directory where new |file| should be added to during feed processing.
   // |orphaned_entries_dir| collects files/dirs that don't have a parent in
   // either locally cached file system or in this new feed.
   GDataDirectory* FindDirectoryForNewEntry(
       GDataEntry* new_entry,
       const FileResourceIdMap& file_map,
       GDataDirectoryService* orphaned_entries);
 
   // Converts list of document feeds from collected feeds into
   // FileResourceIdMap.
@@ skipping 360 matching lines @@
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 
   ObserverList<Observer> observers_;
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_