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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/engine/cycle/sync_cycle.h"
#include <algorithm>
#include <iterator>
#include <vector>
#include "base/logging.h"
#include "base/observer_list.h"
#include "components/sync/engine/update_handler.h"
namespace syncer {
SyncCycle::SyncCycle(SyncCycleContext* context, Delegate* delegate)
: context_(context), delegate_(delegate) {
status_controller_ = std::make_unique<StatusController>();
}
SyncCycle::~SyncCycle() = default;
SyncCycleSnapshot SyncCycle::TakeSnapshot() const {
return TakeSnapshotWithOrigin(sync_pb::SyncEnums::UNKNOWN_ORIGIN);
}
SyncCycleSnapshot SyncCycle::TakeSnapshotWithOrigin(
sync_pb::SyncEnums::GetUpdatesOrigin get_updates_origin) const {
ProgressMarkerMap download_progress_markers;
for (DataType type : DataTypeSet::All()) {
const UpdateHandler* update_handler =
context_->data_type_registry()->GetUpdateHandler(type);
if (update_handler == nullptr) {
continue;
}
sync_pb::DataTypeProgressMarker progress_marker =
update_handler->GetDownloadProgress();
download_progress_markers[type] = progress_marker.SerializeAsString();
}
SyncCycleSnapshot snapshot(
context_->birthday(), context_->bag_of_chips(),
status_controller_->model_neutral_state(), download_progress_markers,
delegate_->IsAnyThrottleOrBackoff(),
status_controller_->num_server_conflicts(),
context_->notifications_enabled(), status_controller_->sync_start_time(),
status_controller_->poll_finish_time(), get_updates_origin,
context_->poll_interval(),
context_->data_type_registry()->HasUnsyncedItems());
return snapshot;
}
void SyncCycle::SendSyncCycleEndEventNotification(
sync_pb::SyncEnums::GetUpdatesOrigin get_updates_origin) {
SyncCycleEvent event(SyncCycleEvent::SYNC_CYCLE_ENDED);
event.snapshot = TakeSnapshotWithOrigin(get_updates_origin);
DVLOG(1) << "Sending cycle end event with snapshot: "
<< event.snapshot.ToString();
for (SyncEngineEventListener& observer : *context_->listeners()) {
observer.OnSyncCycleEvent(event);
}
}
void SyncCycle::SendEventNotification(SyncCycleEvent::EventCause cause) {
SyncCycleEvent event(cause);
event.snapshot = TakeSnapshot();
DVLOG(1) << "Sending event with snapshot: " << event.snapshot.ToString();
for (SyncEngineEventListener& observer : *context_->listeners()) {
observer.OnSyncCycleEvent(event);
}
}
void SyncCycle::SendProtocolEvent(const ProtocolEvent& event) {
for (SyncEngineEventListener& observer : *context_->listeners()) {
observer.OnProtocolEvent(event);
}
}
} // namespace syncer
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