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 #include "chrome/browser/chromeos/drive/resource_entry_conversion.h"
10 #include "base/logging.h"
11 #include "base/platform_file.h"
12 #include "base/time/time.h"
13 #include "chrome/browser/chromeos/drive/drive.pb.h"
14 #include "chrome/browser/chromeos/drive/file_system_util.h"
15 #include "chrome/browser/drive/drive_api_util.h"
16 #include "google_apis/drive/gdata_wapi_parser.h"
22 const char kSharedWithMeLabel[] = "shared-with-me";
23 const char kSharedLabel[] = "shared";
25 // Checks if |entry| has a specified label.
26 bool HasLabel(const google_apis::ResourceEntry& entry,
27 const std::string& label) {
28 std::vector<std::string>::const_iterator it =
29 std::find(entry.labels().begin(), entry.labels().end(), label);
30 return it != entry.labels().end();
35 bool ConvertToResourceEntry(const google_apis::ResourceEntry& input,
36 ResourceEntry* out_entry,
37 std::string* out_parent_resource_id) {
39 DCHECK(out_parent_resource_id);
41 ResourceEntry converted;
43 // For regular files, the 'filename' and 'title' attribute in the metadata
44 // may be different (e.g. due to rename). To be consistent with the web
45 // interface and other client to use the 'title' attribute, instead of
46 // 'filename', as the file name in the local snapshot.
47 converted.set_title(input.title());
48 converted.set_base_name(util::NormalizeFileName(converted.title()));
49 converted.set_resource_id(input.resource_id());
50 converted.set_modification_date(input.modification_date().ToInternalValue());
52 // Gets parent Resource ID. On drive.google.com, a file can have multiple
53 // parents or no parent, but we are forcing a tree-shaped structure (i.e. no
54 // multi-parent or zero-parent entries). Therefore the first found "parent" is
55 // used for the entry and if the entry has no parent, we assign a special ID
56 // which represents no-parent entries. Tracked in http://crbug.com/158904.
57 std::string parent_resource_id;
58 const google_apis::Link* parent_link =
59 input.GetLinkByType(google_apis::Link::LINK_PARENT);
61 parent_resource_id = util::ExtractResourceIdFromUrl(parent_link->href());
63 converted.set_deleted(input.deleted());
64 converted.set_shared_with_me(HasLabel(input, kSharedWithMeLabel));
65 converted.set_shared(HasLabel(input, kSharedLabel));
67 PlatformFileInfoProto* file_info = converted.mutable_file_info();
69 file_info->set_last_modified(input.updated_time().ToInternalValue());
70 // If the file has never been viewed (last_viewed_time().is_null() == true),
71 // then we will set the last_accessed field in the protocol buffer to 0.
72 file_info->set_last_accessed(input.last_viewed_time().ToInternalValue());
73 file_info->set_creation_time(input.published_time().ToInternalValue());
75 if (input.is_file() || input.is_hosted_document()) {
76 FileSpecificInfo* file_specific_info =
77 converted.mutable_file_specific_info();
78 if (input.is_file()) {
79 file_info->set_size(input.file_size());
80 file_specific_info->set_md5(input.file_md5());
82 // The resumable-edit-media link should only be present for regular
83 // files as hosted documents are not uploadable.
84 } else if (input.is_hosted_document()) {
85 // Attach .g<something> extension to hosted documents so we can special
86 // case their handling in UI.
87 // TODO(satorux): Figure out better way how to pass input info like kind
88 // to UI through the File API stack.
89 const std::string document_extension = input.GetHostedDocumentExtension();
90 file_specific_info->set_document_extension(document_extension);
91 converted.set_base_name(
92 util::NormalizeFileName(converted.title() + document_extension));
94 // We don't know the size of hosted docs and it does not matter since
95 // is has no effect on the quota.
96 file_info->set_size(0);
98 file_info->set_is_directory(false);
99 file_specific_info->set_content_mime_type(input.content_mime_type());
100 file_specific_info->set_is_hosted_document(input.is_hosted_document());
102 const google_apis::Link* alternate_link =
103 input.GetLinkByType(google_apis::Link::LINK_ALTERNATE);
105 file_specific_info->set_alternate_url(alternate_link->href().spec());
107 const int64 image_width = input.image_width();
108 if (image_width != -1)
109 file_specific_info->set_image_width(image_width);
111 const int64 image_height = input.image_height();
112 if (image_height != -1)
113 file_specific_info->set_image_height(image_height);
115 const int64 image_rotation = input.image_rotation();
116 if (image_rotation != -1)
117 file_specific_info->set_image_rotation(image_rotation);
118 } else if (input.is_folder()) {
119 file_info->set_is_directory(true);
121 // There are two cases to reach here.
122 // * The entry is something that doesn't map into files (i.e. sites).
123 // We don't handle these kind of entries hence return false.
124 // * The entry is un-shared to you by other owner. In that case, we
125 // get an entry with only deleted() and resource_id() fields are
126 // filled. Since we want to delete such entries locally as well,
127 // in that case we need to return true to proceed.
128 if (!input.deleted())
132 out_entry->Swap(&converted);
133 swap(*out_parent_resource_id, parent_resource_id);
137 void ConvertResourceEntryToFileInfo(const ResourceEntry& entry,
138 base::File::Info* file_info) {
139 file_info->size = entry.file_info().size();
140 file_info->is_directory = entry.file_info().is_directory();
141 file_info->is_symbolic_link = entry.file_info().is_symbolic_link();
142 file_info->last_modified = base::Time::FromInternalValue(
143 entry.file_info().last_modified());
144 file_info->last_accessed = base::Time::FromInternalValue(
145 entry.file_info().last_accessed());
146 file_info->creation_time = base::Time::FromInternalValue(
147 entry.file_info().creation_time());
150 void SetPlatformFileInfoToResourceEntry(const base::File::Info& file_info,
151 ResourceEntry* entry) {
152 PlatformFileInfoProto* entry_file_info = entry->mutable_file_info();
153 entry_file_info->set_size(file_info.size);
154 entry_file_info->set_is_directory(file_info.is_directory);
155 entry_file_info->set_is_symbolic_link(file_info.is_symbolic_link);
156 entry_file_info->set_last_modified(file_info.last_modified.ToInternalValue());
157 entry_file_info->set_last_accessed(file_info.last_accessed.ToInternalValue());
158 entry_file_info->set_creation_time(file_info.creation_time.ToInternalValue());