components/sync/engine_impl/sync_cycle_event.h

// Copyright 2014 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.

#ifndef COMPONENTS_SYNC_ENGINE_IMPL_SYNC_CYCLE_EVENT_H_
#define COMPONENTS_SYNC_ENGINE_IMPL_SYNC_CYCLE_EVENT_H_

#include "components/sync/engine/cycle/sync_cycle_snapshot.h"

namespace syncer {

struct SyncCycleEvent {
  enum EventCause {
    ////////////////////////////////////////////////////////////////
    // Sent on entry of Syncer state machine
    SYNC_CYCLE_BEGIN,

    // Sent any time progress is made during a sync cycle.
    STATUS_CHANGED,

    // We have reached the SYNCER_END state in the main sync loop.
    SYNC_CYCLE_ENDED,
  };

  explicit SyncCycleEvent(EventCause cause);
  ~SyncCycleEvent();

  EventCause what_happened;

  // The last cycle used for syncing.
  SyncCycleSnapshot snapshot;
};

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_IMPL_SYNC_CYCLE_EVENT_H_