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1 // Copyright (c) 2010 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 #include "chrome/browser/sync/engine/store_timestamps_command.h"
6 
7 #include "chrome/browser/sync/sessions/status_controller.h"
8 #include "chrome/browser/sync/sessions/sync_session.h"
9 #include "chrome/browser/sync/syncable/directory_manager.h"
10 #include "chrome/browser/sync/syncable/model_type.h"
11 #include "chrome/browser/sync/syncable/syncable.h"
12 
13 namespace browser_sync {
14 
StoreTimestampsCommand()15 StoreTimestampsCommand::StoreTimestampsCommand() {}
~StoreTimestampsCommand()16 StoreTimestampsCommand::~StoreTimestampsCommand() {}
17 
ExecuteImpl(sessions::SyncSession * session)18 void StoreTimestampsCommand::ExecuteImpl(sessions::SyncSession* session) {
19   syncable::ScopedDirLookup dir(session->context()->directory_manager(),
20                                 session->context()->account_name());
21 
22   if (!dir.good()) {
23     LOG(ERROR) << "Scoped dir lookup failed!";
24     return;
25   }
26 
27   const GetUpdatesResponse& updates =
28       session->status_controller()->updates_response().get_updates();
29 
30   sessions::StatusController* status = session->status_controller();
31 
32   // Update the progress marker tokens from the server result.  If a marker
33   // was omitted for any one type, that indicates no change from the previous
34   // state.
35   syncable::ModelTypeBitSet forward_progress_types;
36   for (int i = 0; i < updates.new_progress_marker_size(); ++i) {
37     syncable::ModelType model =
38         syncable::GetModelTypeFromExtensionFieldNumber(
39             updates.new_progress_marker(i).data_type_id());
40     if (model == syncable::UNSPECIFIED || model == syncable::TOP_LEVEL_FOLDER) {
41       NOTREACHED() << "Unintelligible server response.";
42       continue;
43     }
44     forward_progress_types[model] = true;
45     dir->SetDownloadProgress(model, updates.new_progress_marker(i));
46   }
47   DCHECK(forward_progress_types.any() ||
48          updates.changes_remaining() == 0);
49   if (VLOG_IS_ON(1)) {
50     VLOG_IF(1, forward_progress_types.any())
51         << "Get Updates got new progress marker for types: "
52         << forward_progress_types.to_string() << " out of possible: "
53         << status->updates_request_types().to_string();
54   }
55   if (updates.has_changes_remaining()) {
56     int64 changes_left = updates.changes_remaining();
57     VLOG(1) << "Changes remaining: " << changes_left;
58     status->set_num_server_changes_remaining(changes_left);
59   }
60 }
61 
62 }  // namespace browser_sync
63