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_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_OBSERVER_H_ 6 #define ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_OBSERVER_H_ 7 8 #include "ash/ash_export.h" 9 10 namespace ash { 11 namespace network_icon { 12 13 // Observer interface class for animating network icons. 14 class ASH_EXPORT AnimationObserver { 15 public: 16 // Called when the image has changed due to animation. The callback should 17 // trigger a call to GetImageForNetwork() to retrieve the image. 18 virtual void NetworkIconChanged() = 0; 19 20 protected: ~AnimationObserver()21 virtual ~AnimationObserver() {} 22 }; 23 24 } // namespace network_icon 25 } // namespace ash 26 27 #endif // ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_OBSERVER_H_ 28