Refactoring of chrome speech recognition architecture (CL1.3)

content/public/common/speech_recognition_error.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_COMMON_SPEECH_RECOGNITION_RESULT_H_
-#define CONTENT_PUBLIC_COMMON_SPEECH_RECOGNITION_RESULT_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/string16.h"
-#include "content/common/content_export.h"
+#ifndef CONTENT_PUBLIC_COMMON_SPEECH_RECOGNITION_ERROR_H_
+#define CONTENT_PUBLIC_COMMON_SPEECH_RECOGNITION_ERROR_H_
 
 namespace content {
 
-struct SpeechRecognitionHypothesis {
-  string16 utterance;
-  double confidence;
-
-  SpeechRecognitionHypothesis() : confidence(0.0) {}
-
-  SpeechRecognitionHypothesis(const string16 utterance_value,
-                              double confidence_value)
-      : utterance(utterance_value),
-        confidence(confidence_value) {
-  }
-};
-
-typedef std::vector<SpeechRecognitionHypothesis>
-    SpeechRecognitionHypothesisArray;
-
 // This enumeration follows the values described here:
 // http://www.w3.org/2005/Incubator/htmlspeech/2010/10/google-api-draft.html#speech-input-error
 enum SpeechRecognitionErrorCode {
   // There was no error.
   SPEECH_RECOGNITION_ERROR_NONE = 0,
   // The user or a script aborted speech input.
   SPEECH_RECOGNITION_ERROR_ABORTED,
   // There was an error with recording audio.
   SPEECH_RECOGNITION_ERROR_AUDIO,
   // There was a network error.
   SPEECH_RECOGNITION_ERROR_NETWORK,
   // No speech heard before timeout.
   SPEECH_RECOGNITION_ERROR_NO_SPEECH,
   // Speech was heard, but could not be interpreted.
   SPEECH_RECOGNITION_ERROR_NO_MATCH,
   // There was an error in the speech recognition grammar.
   SPEECH_RECOGNITION_ERROR_BAD_GRAMMAR,
 };
 
-struct CONTENT_EXPORT SpeechRecognitionResult {
-  SpeechRecognitionErrorCode error;
-  SpeechRecognitionHypothesisArray hypotheses;
+// Error details for the SPEECH_RECOGNITION_ERROR_AUDIO error.
+enum SpeechAudioErrorDetails {
+  SPEECH_AUDIO_ERROR_DETAILS_NONE = 0,
+  SPEECH_AUDIO_ERROR_DETAILS_NO_MIC,
+  SPEECH_AUDIO_ERROR_DETAILS_IN_USE
+};
 
-  SpeechRecognitionResult();
-  ~SpeechRecognitionResult();
+struct CONTENT_EXPORT SpeechRecognitionError {
+  SpeechRecognitionErrorCode code;
+  SpeechAudioErrorDetails details;
+
+  SpeechRecognitionError(SpeechRecognitionErrorCode code_value)
+      : code(code_value),
+        details(SPEECH_AUDIO_ERROR_DETAILS_NONE) {}
+  SpeechRecognitionError(SpeechRecognitionErrorCode code_value,
+                         SpeechAudioErrorDetails details_value)
+      : code(code_value),
+        details(details_value) {}
 };
 
 }  // namespace content
 
-#endif  // CONTENT_PUBLIC_COMMON_SPEECH_RECOGNITION_RESULT_H_
+#endif  // CONTENT_PUBLIC_COMMON_SPEECH_RECOGNITION_ERROR_H_