athena/activity/public/activity_manager_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 ATHENA_ACTIVITY_PUBLIC_ACTIVITY_MANAGER_OBSERVER_H_
   6 #define ATHENA_ACTIVITY_PUBLIC_ACTIVITY_MANAGER_OBSERVER_H_
   7
   8 #include "athena/athena_export.h"
   9
  10 namespace athena {
  11
  12 class Activity;
  13
  14 class ATHENA_EXPORT ActivityManagerObserver {
  15  public:
  16   virtual ~ActivityManagerObserver() {}
  17
  18   // Called after an |activity| got created.
  19   virtual void OnActivityStarted(Activity* activity) = 0;
  20
  21   // Called before an |activity| gets destroyed.
  22   virtual void OnActivityEnding(Activity* activity) = 0;
  23 };
  24
  25 }  // namespace athena
  26
  27 #endif  // ATHENA_ACTIVITY_PUBLIC_ACTIVITY_MANAGER_OBSERVER_H_