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.
5 // Protocol buffer definitions for representing Drive files and directories,
6 // and serializing them for the resource metadata database.
10 option optimize_for = LITE_RUNTIME;
14 // Represents base::PlatformFileInfo.
15 message PlatformFileInfoProto {
16 optional int64 size = 1;
17 optional bool is_directory = 2;
18 optional bool is_symbolic_link = 3;
19 optional int64 last_modified = 4;
20 optional int64 last_accessed = 5;
21 optional int64 creation_time = 6;
24 // File specific info, which is a part of ResourceEntry.
25 message FileSpecificInfo {
26 // The argument with ID 1 (thumbnail_url) had been used, but got deleted.
28 // This URL is used for opening hosted documents with Google Drive's web
30 optional string alternate_url = 2;
32 // Content mime type like "text/plain".
33 optional string content_mime_type = 3;
35 // The MD5 of contents of a regular file. Hosted files don't have MD5.
36 optional string md5 = 4;
38 // File extension, including the dot, used for hosted documents
39 // (ex. ".gsheet" for hosted spreadsheets).
40 optional string document_extension = 5;
42 // True if the file is a hosted document (i.e. document hosted on
43 // drive.google.com such as documents, spreadsheets, and presentations).
44 optional bool is_hosted_document = 6;
46 // The argument with ID 7 had been used, but got deleted.
48 // Width of the media if the file is an image.
49 optional int64 image_width = 8;
51 // Height of the media if the file is an image.
52 optional int64 image_height = 9;
54 // Rotation of the image in clockwise degrees (if an image).
55 optional int64 image_rotation = 10;
58 // Directory specific info, which is a part of ResourceEntry.
59 message DirectorySpecificInfo {
60 // The changestamp of this directory. This value can be larger than the
61 // changestamp of ResourceMetadata, if this directory was
62 // "fast-fetched". See crbug.com/178348 for details about the "fast-fetch"
64 optional int64 changestamp = 1;
67 // Represents metadata of a resource (file or directory) on Drive.
68 message ResourceEntry {
69 optional PlatformFileInfoProto file_info = 1;
70 // Base name of the entry. The base name is used for file paths. Usually
71 // identical to |title|, but some extra number is inserted if multiple
72 // entries with the same title exist in the same directory, to ensure that
73 // file paths are unique. For instance, if two files titled "foo.jpg" exist
74 // in the same directory, which is allowed on drive.google.com, one of them
75 // will have a base name of "foo (2).jpg".
76 optional string base_name = 2;
78 // Title of the entry. See the comment at |base_name|.
79 optional string title = 3;
81 // Resource ID of the entry. Guaranteed to be unique.
82 optional string resource_id = 4;
84 // Local ID of the entry.
85 optional string local_id = 15;
87 // Local ID of the parent entry.
88 optional string parent_local_id = 7;
90 // This field is used for processing the change list from the
91 // server. Deleted entries won't be stored in ResourceMetadata.
92 optional bool deleted = 11;
94 // True if the entry is labeled with "shared-with-me", i.e., owned by someone
95 // else initially and later shared to the current user.
96 optional bool shared_with_me = 14;
98 // True if the entry is labeled "shared". Either the entry itself or its
99 // ancestor is shared (to the user from / by the user to) other accounts.
100 optional bool shared = 17;
102 // File specific information, such as MD5.
103 optional FileSpecificInfo file_specific_info = 9;
105 // Directory specific information, such as changestamp.
106 optional DirectorySpecificInfo directory_specific_info = 13;
108 // Used to remember whether this entry is edited locally or not.
110 CLEAN = 0; // No local edit.
111 DIRTY = 1; // Edited locally.
112 SYNCING = 2; // Local change is being synced to the server.
115 // Indicates whether this entry's metadata is edited locally or not.
116 optional EditState metadata_edit_state = 16;
119 // Container for the header part of ResourceMetadata.
120 message ResourceMetadataHeader {
121 // Monotonically increasing version number, which is changed when
122 // incompatible change is made to the DB format. kDBVersion in
123 // drive_resource_metadata_storage.h defines the current version.
124 optional int32 version = 1;
125 optional int64 largest_changestamp = 2;
128 // Message to store information of an existing cache file.
129 message FileCacheEntry {
130 // MD5 of the cache file.
131 optional string md5 = 1;
133 // True if the file is present locally.
134 optional bool is_present = 2;
136 // True if the file is pinned (i.e. available offline).
137 optional bool is_pinned = 3;
139 // True if the file is dirty (i.e. modified locally).
140 optional bool is_dirty = 4;
142 // When adding a new state, be sure to update TestFileCacheState and test
143 // functions defined in test_util.cc.