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      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 SpeechRecognitionController_h
     27 #define SpeechRecognitionController_h
     28 
     29 #include "core/page/Page.h"
     30 #include "modules/speech/SpeechRecognitionClient.h"
     31 #include "wtf/PassOwnPtr.h"
     32 
     33 namespace WebCore {
     34 
     35 class SpeechRecognitionController : public Supplement<Page> {
     36 public:
     37     virtual ~SpeechRecognitionController();
     38 
     39     void start(SpeechRecognition* recognition, const SpeechGrammarList* grammars, const String& lang, bool continuous, bool interimResults, unsigned long maxAlternatives)
     40     {
     41         m_client->start(recognition, grammars, lang, continuous, interimResults, maxAlternatives);
     42     }
     43 
     44     void stop(SpeechRecognition* recognition) { m_client->stop(recognition); }
     45     void abort(SpeechRecognition* recognition) { m_client->abort(recognition); }
     46 
     47     static PassOwnPtr<SpeechRecognitionController> create(SpeechRecognitionClient*);
     48     static const char* supplementName();
     49     static SpeechRecognitionController* from(Page* page) { return static_cast<SpeechRecognitionController*>(Supplement<Page>::from(page, supplementName())); }
     50 
     51 private:
     52     explicit SpeechRecognitionController(SpeechRecognitionClient*);
     53 
     54     SpeechRecognitionClient* m_client;
     55 };
     56 
     57 } // namespace WebCore
     58 
     59 #endif // SpeechRecognitionController_h
     60