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 CHROME_BROWSER_SEARCH_HOTWORD_CLIENT_H_ 6 #define CHROME_BROWSER_SEARCH_HOTWORD_CLIENT_H_ 7 8 class HotwordClient { 9 public: ~HotwordClient()10 virtual ~HotwordClient() {} 11 12 // Called when the hotword recognition session state has been changed. OnHotwordStateChanged(bool started)13 virtual void OnHotwordStateChanged(bool started) {} 14 15 // Called when the hotword is recognized. 16 virtual void OnHotwordRecognized() = 0; 17 }; 18 19 #endif // CHROME_BROWSER_SEARCH_HOTWORD_CLIENT_H_ 20