chrome/browser/drive/drive_notification_observer.h


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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 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_