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Side by Side Diff: Source/WebKit/chromium/public/WebSpeechRecognizerClient.h

Issue 16358003: mv Source/WebKit/chromium/public to public/webview (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 6 months ago
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1 /* 1 #include "../../../../public/webview/WebSpeechRecognizerClient.h"
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #ifndef WebSpeechRecognizerClient_h
27 #define WebSpeechRecognizerClient_h
28
29 #include "../../../../public/platform/WebVector.h"
30
31 namespace WebKit {
32
33 class WebSpeechRecognitionResult;
34 class WebSpeechRecognitionHandle;
35 class WebString;
36
37 // A client for reporting progress on speech recognition for a specific handle.
38 class WebSpeechRecognizerClient {
39 public:
40 enum ErrorCode {
41 OtherError = 0,
42 NoSpeechError = 1,
43 AbortedError = 2,
44 AudioCaptureError = 3,
45 NetworkError = 4,
46 NotAllowedError = 5,
47 ServiceNotAllowedError = 6,
48 BadGrammarError = 7,
49 LanguageNotSupportedError = 8
50 };
51
52 // These methods correspond to the events described in the spec:
53 // http://speech-javascript-api-spec.googlecode.com/git/speechapi.html#speec hreco-events
54
55 // To be called when the embedder has started to capture audio.
56 virtual void didStartAudio(const WebSpeechRecognitionHandle&) = 0;
57
58 // To be called when some sound, possibly speech, has been detected.
59 // This is expected to be called after didStartAudio.
60 virtual void didStartSound(const WebSpeechRecognitionHandle&) = 0;
61
62 // To be called when sound is no longer detected.
63 // This is expected to be called after didEndSpeech.
64 virtual void didEndSound(const WebSpeechRecognitionHandle&) = 0;
65
66 // To be called when audio capture has stopped.
67 // This is expected to be called after didEndSound.
68 virtual void didEndAudio(const WebSpeechRecognitionHandle&) = 0;
69
70 // To be called when the speech recognizer provides new results.
71 // - newFinalResults contains zero or more final results that are new since
72 // the last time the function was called.
73 // - currentInterimResults contains zero or more inteirm results that
74 // replace the interim results that were reported the last time this
75 // function was called.
76 virtual void didReceiveResults(const WebSpeechRecognitionHandle&, const WebV ector<WebSpeechRecognitionResult>& newFinalResults, const WebVector<WebSpeechRec ognitionResult>& currentInterimResults) = 0;
77
78 // To be called when the speech recognizer returns a final result with no
79 // recognizion hypothesis.
80 virtual void didReceiveNoMatch(const WebSpeechRecognitionHandle&, const WebS peechRecognitionResult&) = 0;
81
82 // To be called when a speech recognition error occurs.
83 virtual void didReceiveError(const WebSpeechRecognitionHandle&, const WebStr ing& message, ErrorCode) = 0;
84
85 // To be called when the recognizer has begun to listen to the audio with
86 // the intention of recognizing.
87 virtual void didStart(const WebSpeechRecognitionHandle&) = 0;
88
89 // To be called when the recognition session has ended. This must always be
90 // called, no matter the reason for the end.
91 virtual void didEnd(const WebSpeechRecognitionHandle&) = 0;
92
93 protected:
94 virtual ~WebSpeechRecognizerClient() {}
95 };
96
97 } // namespace WebKit
98
99 #endif // WebSpeechRecognizerClient_h
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