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- // Copyright (c) 2013 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_DRIVE_DRIVE_NOTIFICATION_OBSERVER_H_
- #define COMPONENTS_DRIVE_DRIVE_NOTIFICATION_OBSERVER_H_
- #include <map>
- #include <string>
- namespace drive {
- // Interface for classes which need to know when to check Google Drive for
- // updates.
- class DriveNotificationObserver {
- public:
- // Called when a notification from Google Drive is received. |invalidations|
- // is the map from objects that raised the notification to the changelist,
- // either a team drive id or empty string to represent the users default
- // corpus, to the change ID.
- virtual void OnNotificationReceived(
- const std::map<std::string, int64_t>& invalidations) = 0;
- // Called when there has not been a recent notification from Google Drive and
- // the timer used for polling Google Drive fired.
- virtual void OnNotificationTimerFired() = 0;
- // Called when XMPP-based push notification is enabled or disabled.
- virtual void OnPushNotificationEnabled(bool enabled) {}
- protected:
- virtual ~DriveNotificationObserver() = default;
- };
- } // namespace drive
- #endif // COMPONENTS_DRIVE_DRIVE_NOTIFICATION_OBSERVER_H_
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