1 // Copyright (c) 2012 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 ASH_LAUNCHER_LAUNCHER_ICON_OBSERVER_H_ 6 #define ASH_LAUNCHER_LAUNCHER_ICON_OBSERVER_H_ 7 8 #include "ash/ash_export.h" 9 #include "base/basictypes.h" 10 11 namespace ash { 12 13 class ASH_EXPORT LauncherIconObserver { 14 public: 15 // Invoked when any icon on launcher changes position. 16 virtual void OnLauncherIconPositionsChanged() = 0; 17 18 protected: 19 virtual ~LauncherIconObserver() {} 20 }; 21 22 } // namespace ash 23 24 #endif // ASH_LAUNCHER_LAUNCHER_ICON_OBSERVER_H_ 25