Relieve SyncerSession,SyncCycleState, SyncProcessState, SyncerSession, Syncer...

chrome/browser/sync/sessions/sync_session.cc

+// Copyright (c) 2009 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.
+
+#include "chrome/browser/sync/sessions/sync_session.h"
+#include "chrome/browser/sync/syncable/directory_manager.h"
+
+namespace browser_sync {
+namespace sessions {
+
+SyncSession::SyncSession(SyncSessionContext* context, Delegate* delegate)
+    : context_(context),
+      source_(sync_pb::GetUpdatesCallerInfo::UNKNOWN),
+      write_transaction_(NULL),
+      delegate_(delegate),
+      auth_failure_occurred_(false) {
+}
+
+SyncSessionSnapshot SyncSession::TakeSnapshot() const {
+  syncable::ScopedDirLookup dir(context_->directory_manager(),
+                                context_->account_name());
+  if (!dir.good())
+    LOG(ERROR) << "Scoped dir lookup failed!";
+
+  const bool is_share_usable = dir->initial_sync_ended();
+  return SyncSessionSnapshot(
+      status_controller_.syncer_status(),
+      status_controller_.error_counters(),
+      status_controller_.change_progress(),
+      is_share_usable,
+      HasMoreToSync(),
+      delegate_->IsSyncingCurrentlySilenced(),
+      status_controller_.unsynced_handles().size(),
+      status_controller_.conflict_progress()->ConflictingItemsSize(),
+      status_controller_.did_commit_items());
+}
+
+sync_pb::GetUpdatesCallerInfo::GET_UPDATES_SOURCE
+    SyncSession::TestAndSetSource() {
+  sync_pb::GetUpdatesCallerInfo::GET_UPDATES_SOURCE old_source = source_;
+  set_source(sync_pb::GetUpdatesCallerInfo::SYNC_CYCLE_CONTINUATION);
+  return old_source;
+}
+
+bool SyncSession::HasMoreToSync() const {
+  const StatusController& status = status_controller_;
+  return ((status.commit_ids().size() < status.unsynced_handles().size()) &&
+      status.syncer_status().num_successful_commits > 0) ||
+      status.conflict_sets_built() ||
+      status.conflicts_resolved() ||
+      // Or, we have conflicting updates, but we're making progress on
+      // resolving them...
+      !status.got_zero_updates() ||
+      status.timestamp_dirty();
+}
+
+}  // namespace sessions
+}  // namespace browser_sync