1 // Copyright 2013 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 CC_INPUT_TOP_CONTROLS_MANAGER_CLIENT_H_ 6 #define CC_INPUT_TOP_CONTROLS_MANAGER_CLIENT_H_ 7 8 namespace cc { 9 10 class LayerTreeImpl; 11 12 class CC_EXPORT TopControlsManagerClient { 13 public: 14 virtual void DidChangeTopControlsPosition() = 0; 15 virtual bool HaveRootScrollLayer() const = 0; 16 17 protected: ~TopControlsManagerClient()18 virtual ~TopControlsManagerClient() {} 19 }; 20 21 } // namespace cc 22 23 #endif // CC_INPUT_TOP_CONTROLS_MANAGER_CLIENT_H_ 24