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 WebSpeechRecognitionHandle_h 27 #define WebSpeechRecognitionHandle_h 28 29 #include "../platform/WebCommon.h" 30 #include "../platform/WebPrivatePtr.h" 31 32 namespace WebCore { 33 class SpeechRecognition; 34 } 35 36 namespace blink { 37 38 class WebSpeechRecognitionResult; 39 class WebString; 40 41 // WebSpeechRecognitionHandle is used by WebSpeechRecognizer to identify a 42 // recognition session, and by WebSpeechRecognizerClient to route 43 // recognition events. 44 class WebSpeechRecognitionHandle { 45 public: ~WebSpeechRecognitionHandle()46 ~WebSpeechRecognitionHandle() { reset(); } WebSpeechRecognitionHandle()47 WebSpeechRecognitionHandle() { } 48 WebSpeechRecognitionHandle(const WebSpeechRecognitionHandle & other)49 WebSpeechRecognitionHandle(const WebSpeechRecognitionHandle& other) { assign(other); } 50 WebSpeechRecognitionHandle& operator=(const WebSpeechRecognitionHandle& other) 51 { 52 assign(other); 53 return *this; 54 } 55 56 BLINK_EXPORT void reset(); 57 BLINK_EXPORT void assign(const WebSpeechRecognitionHandle&); 58 59 // Comparison functions are provided so that WebSpeechRecognitionHandle objects 60 // can be stored in a hash map. 61 BLINK_EXPORT bool equals(const WebSpeechRecognitionHandle&) const; 62 BLINK_EXPORT bool lessThan(const WebSpeechRecognitionHandle&) const; 63 64 #if BLINK_IMPLEMENTATION 65 explicit WebSpeechRecognitionHandle(WebCore::SpeechRecognition*); 66 WebSpeechRecognitionHandle& operator=(WebCore::SpeechRecognition*); 67 operator WebCore::SpeechRecognition*() const; 68 #endif 69 70 private: 71 WebPrivatePtr<WebCore::SpeechRecognition> m_private; 72 }; 73 74 inline bool operator==(const WebSpeechRecognitionHandle& a, const WebSpeechRecognitionHandle& b) 75 { 76 return a.equals(b); 77 } 78 79 inline bool operator!=(const WebSpeechRecognitionHandle& a, const WebSpeechRecognitionHandle& b) 80 { 81 return !(a == b); 82 } 83 84 inline bool operator<(const WebSpeechRecognitionHandle& a, const WebSpeechRecognitionHandle& b) 85 { 86 return a.lessThan(b); 87 } 88 89 } // namespace blink 90 91 #endif // WebSpeechRecognitionHandle_h 92