src/components/storage_monitor/removable_storage_observer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_STORAGE_MONITOR_REMOVABLE_STORAGE_OBSERVER_H_
   6 #define COMPONENTS_STORAGE_MONITOR_REMOVABLE_STORAGE_OBSERVER_H_
   7
   8 #include "components/storage_monitor/storage_info.h"
   9
  10 // Clients use this class to register for event-based notifications of
  11 // removable storage devices attached to or removed from the system.
  12 class RemovableStorageObserver {
  13  public:
  14   // When a removable storage device is attached, this
  15   // event is triggered.
  16   virtual void OnRemovableStorageAttached(const StorageInfo& info) {}
  17
  18   // When a removable storage device is detached, this
  19   // event is triggered.
  20   virtual void OnRemovableStorageDetached(const StorageInfo& info) {}
  21
  22  protected:
  23   virtual ~RemovableStorageObserver() {}
  24 };
  25
  26 #endif  // COMPONENTS_STORAGE_MONITOR_REMOVABLE_STORAGE_OBSERVER_H_