chrome/browser/search/hotword_client.h

   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 #include "base/memory/ref_counted.h"
   9
  10 namespace content {
  11 struct SpeechRecognitionSessionPreamble;
  12 }
  13
  14 class HotwordClient {
  15  public:
  16   virtual ~HotwordClient() {}
  17
  18   // Called when the hotword recognition session state has been changed.
  19   virtual void OnHotwordStateChanged(bool started) {}
  20
  21   // Called when the hotword is recognized.
  22   virtual void OnHotwordRecognized(
  23       const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble)
  24       = 0;
  25 };
  26
  27 #endif  // CHROME_BROWSER_SEARCH_HOTWORD_CLIENT_H_