1 /* 2 * Copyright (C) 2010 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef SpeechInputListener_h 32 #define SpeechInputListener_h 33 34 #if ENABLE(INPUT_SPEECH) 35 36 #include "core/speech/SpeechInputResult.h" 37 #include "wtf/Forward.h" 38 39 namespace WebCore { 40 41 // Interface to be implemented by the element which invokes SpeechInput. 42 class SpeechInputListener { 43 public: 44 // Informs that audio recording has completed and recognition is underway. 45 virtual void didCompleteRecording(int requestId) = 0; 46 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; 52 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; 58 59 protected: 60 virtual ~SpeechInputListener() { } 61 }; 62 63 } // namespace WebCore 64 65 #endif // ENABLE(INPUT_SPEECH) 66 67 #endif // SpeechInputListener_h 68
