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// Copyright (c) 2012 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 SYNC_NOTIFIER_SYNC_NOTIFIER_OBSERVER_H_
#define SYNC_NOTIFIER_SYNC_NOTIFIER_OBSERVER_H_
#include "sync/notifier/object_id_payload_map.h"
#include "sync/notifier/notifications_disabled_reason.h"
namespace syncer {
enum IncomingNotificationSource {
// The server is notifying us that one or more datatypes have stale data.
REMOTE_NOTIFICATION,
// A chrome datatype is requesting an optimistic refresh of its data.
LOCAL_NOTIFICATION,
};
class SyncNotifierObserver {
public:
// Called when notifications are enabled.
virtual void OnNotificationsEnabled() = 0;
// Called when notifications are disabled, with the reason in
// |reason|.
virtual void OnNotificationsDisabled(
NotificationsDisabledReason reason) = 0;
// Called when a notification is received. The per-id payloads
// are in |type_payloads| and the source is in |source|.
virtual void OnIncomingNotification(
const ObjectIdPayloadMap& id_payloads,
IncomingNotificationSource source) = 0;
protected:
virtual ~SyncNotifierObserver() {}
};
} // namespace syncer
#endif // SYNC_NOTIFIER_SYNC_NOTIFIER_OBSERVER_H_