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 UI_OZONE_PLATFORM_DRI_CHANNEL_OBSERVER_H_ 6 #define UI_OZONE_PLATFORM_DRI_CHANNEL_OBSERVER_H_ 7 8 namespace ui { 9 10 // Observes the channel state. 11 class ChannelObserver { 12 public: 13 virtual ~ChannelObserver() {} 14 15 virtual void OnChannelEstablished() = 0; 16 virtual void OnChannelDestroyed() = 0; 17 }; 18 19 } // namespace ui 20 21 #endif // UI_OZONE_PLATFORM_DRI_CHANNEL_OBSERVER_H_ 22
