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31 #ifndef SpeechInputListener_h
32 #define SpeechInputListener_h
34 #if ENABLE(INPUT_SPEECH)
36 #include "SpeechInputResult.h"
37 #include <wtf/Forward.h>
41 // Interface to be implemented by the element which invokes SpeechInput.
42 class SpeechInputListener {
44 // Informs that audio recording has completed and recognition is underway.
45 virtual void didCompleteRecording(int requestId) = 0;
47 // Informs that speech recognition has completed. This gets invoked irrespective of whether
48 // recognition was succesful or not, whether setRecognitionResult() was invoked or not. The
49 // handler typically frees up any temporary resources allocated and waits for the next speech
50 // recognition request.
51 virtual void didCompleteRecognition(int requestId) = 0;
53 // Gives results from speech recognition, either partial or the final results.
54 // This method can potentially get called multiple times if there are partial results
55 // available as the user keeps speaking. If the speech could not be recognized properly
56 // or if there was any other errors in the process, this method may never be called.
57 virtual void setRecognitionResult(int requestId, const SpeechInputResultArray&) = 0;
60 virtual ~SpeechInputListener() { }
63 } // namespace WebCore
65 #endif // ENABLE(INPUT_SPEECH)
67 #endif // SpeechInputListener_h