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 SpeechRecognitionClientProxy_h 27 #define SpeechRecognitionClientProxy_h 28 29 #include "modules/speech/SpeechRecognitionClient.h" 30 #include "public/web/WebSpeechRecognizerClient.h" 31 #include "wtf/Compiler.h" 32 #include "wtf/PassOwnPtr.h" 33 #include "wtf/text/WTFString.h" 34 35 namespace blink { 36 37 class WebSpeechRecognizer; 38 class WebString; 39 40 class SpeechRecognitionClientProxy FINAL : public SpeechRecognitionClient, public WebSpeechRecognizerClient { 41 public: 42 virtual ~SpeechRecognitionClientProxy(); 43 44 // Constructing a proxy object with a 0 WebSpeechRecognizer is safe in 45 // itself, but attempting to call start/stop/abort on it will crash. 46 static PassOwnPtr<SpeechRecognitionClientProxy> create(WebSpeechRecognizer*); 47 48 // SpeechRecognitionClient: 49 virtual void start(SpeechRecognition*, const SpeechGrammarList*, const String& lang, bool continuous, bool interimResults, unsigned long maxAlternatives) OVERRIDE; 50 virtual void stop(SpeechRecognition*) OVERRIDE; 51 virtual void abort(SpeechRecognition*) OVERRIDE; 52 53 // WebSpeechRecognizerClient: 54 virtual void didStartAudio(const WebSpeechRecognitionHandle&) OVERRIDE; 55 virtual void didStartSound(const WebSpeechRecognitionHandle&) OVERRIDE; 56 virtual void didEndSound(const WebSpeechRecognitionHandle&) OVERRIDE; 57 virtual void didEndAudio(const WebSpeechRecognitionHandle&) OVERRIDE; 58 virtual void didReceiveResults(const WebSpeechRecognitionHandle&, const WebVector<WebSpeechRecognitionResult>& newFinalResults, const WebVector<WebSpeechRecognitionResult>& currentInterimResults) OVERRIDE; 59 virtual void didReceiveNoMatch(const WebSpeechRecognitionHandle&, const WebSpeechRecognitionResult&) OVERRIDE; 60 virtual void didReceiveError(const WebSpeechRecognitionHandle&, const WebString& message, WebSpeechRecognizerClient::ErrorCode) OVERRIDE; 61 virtual void didStart(const WebSpeechRecognitionHandle&) OVERRIDE; 62 virtual void didEnd(const WebSpeechRecognitionHandle&) OVERRIDE; 63 64 private: 65 SpeechRecognitionClientProxy(WebSpeechRecognizer*); 66 67 WebSpeechRecognizer* m_recognizer; 68 }; 69 70 }; // namespace blink 71 72 #endif // SpeechRecognitionClientProxy_h 73
