Database support for GDataDirectoryService.

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 20 matching lines @@
 
 namespace gdata {
 
 class DocumentsServiceInterface;
 class DriveWebAppsRegistryInterface;
 class GDataWapiFeedLoader;
 struct GetDocumentsParams;
 struct GetDocumentsUiState;
 struct UploadFileInfo;
 
-namespace {
-struct LoadRootFeedParams;
-}  // namespace
-
 // Callback run as a response to LoadFromServer.
 //
 // TODO(satorux): Move this to a new file: crbug.com/138268
 typedef base::Callback<void(GetDocumentsParams* params,
                             GDataFileError error)>
     LoadDocumentFeedCallback;
 
 // GDataWapiFeedLoader is used to load feeds from WAPI (codename for
 // Documents List API) and load the cached proto file.
 //
@@ skipping 81 matching lines @@
   // |start_changestamp| and |root_feed_changestamp|.
   GDataFileError UpdateFromFeed(
     const std::vector<DocumentFeed*>& feed_list,
     int start_changestamp,
     int root_feed_changestamp);
 
  private:
   // Callback for handling root directory refresh from the cache.
   void OnProtoLoaded(LoadRootFeedParams* params);
 
+  // Continues handling root directory refresh after the directory service
+  // is fully loaded.
+  void ContinueWithInitializedDirectoryService(LoadRootFeedParams* params,
+                                               GDataFileError error);
+
   // Helper callback for handling results of metadata retrieval initiated from
   // ReloadFeedFromServerIfNeeded(). This method makes a decision about fetching
   // the content of the root feed during the root directory refresh process.
   void OnGetAccountMetadata(
       ContentOrigin initial_origin,
       int local_changestamp,
       const FilePath& search_file_path,
       const FindEntryCallback& callback,
       GDataErrorCode status,
       scoped_ptr<base::Value> feed_data);
 
   // Callback for handling feed content fetching while searching for file info.
   // This callback is invoked after async feed fetch operation that was
   // invoked by StartDirectoryRefresh() completes. This callback will update
   // the content of the refreshed directory object and continue initially
   // started FindEntryByPath() request.
   void OnFeedFromServerLoaded(GetDocumentsParams* params,
                               GDataFileError error);
 
   // Callback for handling response from |GDataDocumentsService::GetDocuments|.
   // Invokes |callback| when done.
   void OnGetDocuments(
       ContentOrigin initial_origin,
       const LoadDocumentFeedCallback& callback,
       GetDocumentsParams* params,
       base::TimeTicks start_time,
       GDataErrorCode status,
       scoped_ptr<base::Value> data);
 
+  // Save filesystem to disk.
+  void SaveFileSystem();
+
   // Callback for handling UI updates caused by document fetching.
   void OnNotifyDocumentFeedFetched(
       base::WeakPtr<GetDocumentsUiState> ui_state);
 
-  // Save filesystem as proto file.
-  void SaveFileSystemAsProto();
-
   GDataDirectoryService* directory_service_;  // Not owned.
   DocumentsServiceInterface* documents_service_;  // Not owned.
   DriveWebAppsRegistryInterface* webapps_registry_;  // Not owned.
   GDataCache* cache_;  // Not owned.
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   ObserverList<Observer> observers_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<GDataWapiFeedLoader> weak_ptr_factory_;
@@ skipping 778 matching lines @@
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<GDataFileSystem> ui_weak_ptr_factory_;
   // Unlike other classes, we need this as we need this to redirect a task
   // from IO thread to UI thread.
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_