1 /* 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 WebSpeechRecognizer_h 27 #define WebSpeechRecognizer_h 28 29 #include "../platform/WebCommon.h" 30 #include "WebSpeechRecognitionHandle.h" 31 32 namespace blink { 33 34 class WebSpeechGrammar; 35 class WebSpeechRecognitionParams; 36 class WebSpeechRecognizerClient; 37 38 // Interface for speech recognition, to be implemented by the embedder. 39 class WebSpeechRecognizer { 40 public: 41 // Start speech recognition for the specified handle using the specified parameters. Notifications on progress, results, and errors will be sent via the client. 42 virtual void start(const WebSpeechRecognitionHandle&, const WebSpeechRecognitionParams&, WebSpeechRecognizerClient*) { BLINK_ASSERT_NOT_REACHED(); } 43 44 // Stop speech recognition for the specified handle, returning any results for the audio recorded so far. Notifications and errors are sent via the client. 45 virtual void stop(const WebSpeechRecognitionHandle&, WebSpeechRecognizerClient*) { BLINK_ASSERT_NOT_REACHED(); } 46 47 // Abort speech recognition for the specified handle, discarding any recorded audio. Notifications and errors are sent via the client. 48 virtual void abort(const WebSpeechRecognitionHandle&, WebSpeechRecognizerClient*) { BLINK_ASSERT_NOT_REACHED(); } 49 50 protected: 51 virtual ~WebSpeechRecognizer() { } 52 }; 53 54 } // namespace blink 55 56 #endif // WebSpeechRecognizer_h 57
