1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_RESOURCE_ENTRY_CONVERSION_H_ 6 #define CHROME_BROWSER_CHROMEOS_DRIVE_RESOURCE_ENTRY_CONVERSION_H_ 7 8 #include <string> 9 10 #include "base/files/file.h" 11 12 namespace google_apis { 13 class ChangeResource; 14 class FileResource; 15 } 16 17 namespace drive { 18 19 class ResourceEntry; 20 21 // Converts a google_apis::ChangeResource into a drive::ResourceEntry. 22 // If the conversion succeeded, return true and sets the result to |out_entry|. 23 // |out_parent_resource_id| will be set to the resource ID of the parent entry. 24 // If failed, it returns false and keeps output arguments untouched. 25 // 26 // Every entry is guaranteed to have one parent resource ID in ResourceMetadata. 27 // This requirement is needed to represent contents in Drive as a file system 28 // tree, and achieved as follows: 29 // 30 // 1) Entries without parents are allowed on drive.google.com. These entries are 31 // collected to "drive/other", and have "drive/other" as the parent. 32 // 33 // 2) Entries with multiple parents are allowed on drive.google.com. For these 34 // entries, the first parent is chosen. 35 bool ConvertChangeResourceToResourceEntry( 36 const google_apis::ChangeResource& input, 37 ResourceEntry* out_entry, 38 std::string* out_parent_resource_id); 39 40 // Converts a google_apis::FileResource into a drive::ResourceEntry. 41 // Also see the comment for ConvertChangeResourceToResourceEntry above. 42 bool ConvertFileResourceToResourceEntry( 43 const google_apis::FileResource& input, 44 ResourceEntry* out_entry, 45 std::string* out_parent_resource_id); 46 47 // Converts the resource entry to the platform file info. 48 void ConvertResourceEntryToFileInfo(const ResourceEntry& entry, 49 base::File::Info* file_info); 50 51 } // namespace drive 52 53 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_RESOURCE_ENTRY_CONVERSION_H_ 54