third_party/WebKit/Source/modules/speech/SpeechRecognitionController.h

   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 blink {
  34
  35 class MediaStreamTrack;
  36
  37 class SpeechRecognitionController final : public NoBaseWillBeGarbageCollectedFinalized<SpeechRecognitionController>, public WillBeHeapSupplement<Page> {
  38     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SpeechRecognitionController);
  39     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(SpeechRecognitionController);
  40 public:
  41     virtual ~SpeechRecognitionController();
  42
  43     void start(SpeechRecognition* recognition, const SpeechGrammarList* grammars, const String& lang, const String& serviceURI, bool continuous, bool interimResults, unsigned long maxAlternatives, MediaStreamTrack* audioTrack)
  44     {
  45         m_client->start(recognition, grammars, lang, serviceURI, continuous, interimResults, maxAlternatives, audioTrack);
  46     }
  47
  48     void stop(SpeechRecognition* recognition) { m_client->stop(recognition); }
  49     void abort(SpeechRecognition* recognition) { m_client->abort(recognition); }
  50
  51     static PassOwnPtrWillBeRawPtr<SpeechRecognitionController> create(PassOwnPtr<SpeechRecognitionClient>);
  52     static const char* supplementName();
  53     static SpeechRecognitionController* from(Page* page) { return static_cast<SpeechRecognitionController*>(WillBeHeapSupplement<Page>::from(page, supplementName())); }
  54
  55     DEFINE_INLINE_VIRTUAL_TRACE() { WillBeHeapSupplement<Page>::trace(visitor); }
  56
  57 private:
  58     explicit SpeechRecognitionController(PassOwnPtr<SpeechRecognitionClient>);
  59
  60     OwnPtr<SpeechRecognitionClient> m_client;
  61 };
  62
  63 } // namespace blink
  64
  65 #endif // SpeechRecognitionController_h