1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_APP_LIST_SPEECH_UI_MODEL_OBSERVER_H_
#define UI_APP_LIST_SPEECH_UI_MODEL_OBSERVER_H_
#include "base/basictypes.h"
#include "base/strings/string16.h"
#include "ui/app_list/app_list_export.h"
namespace app_list {
enum SpeechRecognitionState {
SPEECH_RECOGNITION_OFF = 0,
SPEECH_RECOGNITION_READY,
SPEECH_RECOGNITION_HOTWORD_LISTENING,
SPEECH_RECOGNITION_RECOGNIZING,
SPEECH_RECOGNITION_IN_SPEECH,
SPEECH_RECOGNITION_STOPPING,
SPEECH_RECOGNITION_NETWORK_ERROR,
};
class APP_LIST_EXPORT SpeechUIModelObserver {
public:
// Invoked when sound level for the speech recognition has changed. |level|
// represents the current sound-level in the range of [0, 255].
virtual void OnSpeechSoundLevelChanged(uint8 level) {}
// Invoked when a speech result arrives. |is_final| is true only when the
// speech result is final.
virtual void OnSpeechResult(const base::string16& result, bool is_final) {}
// Invoked when the state of speech recognition is changed.
virtual void OnSpeechRecognitionStateChanged(
SpeechRecognitionState new_state) {}
protected:
virtual ~SpeechUIModelObserver() {}
};
} // namespace app_list
#endif // UI_APP_LIST_SPEECH_UI_MODEL_OBSERVER_H_
|
