Files.app: Provide detailed change information on onDirectoryChanged event

chrome/browser/chromeos/drive/change_list_processor.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_DRIVE_CHANGE_LIST_PROCESSOR_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_CHANGE_LIST_PROCESSOR_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
+#include "chrome/browser/chromeos/drive/file_errors.h"
 #include "url/gurl.h"
 
 namespace google_apis {
 class AboutResource;
 class ChangeList;
 class FileList;
 }  // google_apis
 
 namespace drive {
 
+class FileChange;
 class ResourceEntry;
 
 namespace internal {
 
 class ResourceMetadata;
 
 // Holds information needed to fetch contents of a directory.
 // This object is copyable.
 class DirectoryFetchInfo {
  public:
@@ skipping 71 matching lines @@
   // Applies change lists or full resource lists to |resource_metadata_|.
   //
   // |is_delta_update| determines the type of input data to process, whether
   // it is full resource lists (false) or change lists (true).
   //
   // Must be run on the same task runner as |resource_metadata_| uses.
   FileError Apply(scoped_ptr<google_apis::AboutResource> about_resource,
                   ScopedVector<ChangeList> change_lists,
                   bool is_delta_update);
 
-  // The set of changed directories as a result of change list processing.
-  const std::set<base::FilePath>& changed_dirs() const { return changed_dirs_; }
+  // The set of changed files as a result of change list processing.
+  const FileChange& changed_files() const { return *changed_files_; }
 
   // Adds or refreshes the child entries from |change_list| to the directory.
   static FileError RefreshDirectory(
       ResourceMetadata* resource_metadata,
       const DirectoryFetchInfo& directory_fetch_info,
       scoped_ptr<ChangeList> change_list,
       std::vector<ResourceEntry>* out_refreshed_entries);
 
   // Sets |entry|'s parent_local_id.
   static FileError SetParentLocalIdOfEntry(
@@ skipping 16 matching lines @@
   // Apply |entry| to resource_metadata_.
   FileError ApplyEntry(const ResourceEntry& entry);
 
   // Adds the directories changed by the update on |entry| to |changed_dirs_|.
   void UpdateChangedDirs(const ResourceEntry& entry);
 
   ResourceMetadata* resource_metadata_;  // Not owned.
 
   ResourceEntryMap entry_map_;
   ParentResourceIdMap parent_resource_id_map_;
-  std::set<base::FilePath> changed_dirs_;
+  scoped_ptr<FileChange> changed_files_;
 
   DISALLOW_COPY_AND_ASSIGN(ChangeListProcessor);
 };
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_CHANGE_LIST_PROCESSOR_H_