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| 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 SpeechInput_h | |
| 32 #define SpeechInput_h | |
| 33 | |
| 34 #if ENABLE(INPUT_SPEECH) | |
| 35 | |
| 36 #include "core/page/Page.h" | |
| 37 #include "core/page/SpeechInputListener.h" | |
| 38 #include "wtf/Forward.h" | |
| 39 #include "wtf/HashMap.h" | |
| 40 | |
| 41 namespace WebCore { | |
| 42 | |
| 43 class IntRect; | |
| 44 class SecurityOrigin; | |
| 45 class SpeechInputClient; | |
| 46 class SpeechInputListener; | |
| 47 | |
| 48 // This class connects the input elements requiring speech input with the platfo
rm specific | |
| 49 // speech recognition engine. It provides methods for the input elements to acti
vate speech | |
| 50 // recognition and methods for the speech recognition engine to return back the
results. | |
| 51 class SpeechInput : public SpeechInputListener, | |
| 52 public Supplement<Page> { | |
| 53 WTF_MAKE_NONCOPYABLE(SpeechInput); | |
| 54 public: | |
| 55 virtual ~SpeechInput(); | |
| 56 | |
| 57 static PassOwnPtr<SpeechInput> create(SpeechInputClient*); | |
| 58 static const char* supplementName(); | |
| 59 static SpeechInput* from(Page* page) { return static_cast<SpeechInput*>(Supp
lement<Page>::from(page, supplementName())); } | |
| 60 | |
| 61 // Generates a unique ID for the given listener to be used for speech reques
ts. | |
| 62 // This should be the first call made by listeners before anything else. | |
| 63 int registerListener(SpeechInputListener*); | |
| 64 | |
| 65 // Invoked when the listener is done with recording or getting destroyed. | |
| 66 // Failure to unregister may result in crashes if there were any pending spe
ech events. | |
| 67 void unregisterListener(int); | |
| 68 | |
| 69 // Methods invoked by the input elements. | |
| 70 bool startRecognition(int listenerId, const IntRect& elementRect, const Atom
icString& language, const String& grammar, SecurityOrigin*); | |
| 71 void stopRecording(int); | |
| 72 void cancelRecognition(int); | |
| 73 | |
| 74 // SpeechInputListener methods. | |
| 75 virtual void didCompleteRecording(int); | |
| 76 virtual void didCompleteRecognition(int); | |
| 77 virtual void setRecognitionResult(int, const SpeechInputResultArray&); | |
| 78 | |
| 79 private: | |
| 80 explicit SpeechInput(SpeechInputClient*); | |
| 81 | |
| 82 SpeechInputClient* m_client; | |
| 83 HashMap<int, SpeechInputListener*> m_listeners; | |
| 84 int m_nextListenerId; | |
| 85 }; | |
| 86 | |
| 87 } // namespace WebCore | |
| 88 | |
| 89 #endif // ENABLE(INPUT_SPEECH) | |
| 90 | |
| 91 #endif // SpeechInput_h | |
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Chromium Code Reviews
Issue 26952002:
Move speech related files out of page/ into their own directory. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk