// 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 CHROME_BROWSER_DRIVE_DRIVE_NOTIFICATION_OBSERVER_H_ #define CHROME_BROWSER_DRIVE_DRIVE_NOTIFICATION_OBSERVER_H_ 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. virtual void OnNotificationReceived() = 0; // Called when XMPP-based push notification is enabled or disabled. virtual void OnPushNotificationEnabled(bool enabled) {} protected: virtual ~DriveNotificationObserver() {} }; } // namespace drive #endif // CHROME_BROWSER_DRIVE_DRIVE_NOTIFICATION_OBSERVER_H_