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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SpeechRecognition_h
#define SpeechRecognition_h
#include "bindings/v8/ScriptWrappable.h"
#include "core/dom/ActiveDOMObject.h"
#include "core/events/EventTarget.h"
#include "modules/speech/SpeechGrammarList.h"
#include "wtf/Compiler.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class ExceptionState;
class ExecutionContext;
class SpeechRecognitionController;
class SpeechRecognitionError;
class SpeechRecognitionResult;
class SpeechRecognitionResultList;
class SpeechRecognition : public RefCounted<SpeechRecognition>, public ScriptWrappable, public ActiveDOMObject, public EventTargetWithInlineData {
REFCOUNTED_EVENT_TARGET(SpeechRecognition);
public:
static PassRefPtr<SpeechRecognition> create(ExecutionContext*);
~SpeechRecognition();
// Attributes.
PassRefPtr<SpeechGrammarList> grammars() { return m_grammars; }
void setGrammars(PassRefPtr<SpeechGrammarList> grammars) { m_grammars = grammars; }
String lang() { return m_lang; }
void setLang(const String& lang) { m_lang = lang; }
bool continuous() { return m_continuous; }
void setContinuous(bool continuous) { m_continuous = continuous; }
bool interimResults() { return m_interimResults; }
void setInterimResults(bool interimResults) { m_interimResults = interimResults; }
unsigned long maxAlternatives() { return m_maxAlternatives; }
void setMaxAlternatives(unsigned long maxAlternatives) { m_maxAlternatives = maxAlternatives; }
// Callable by the user.
void start(ExceptionState&);
void stopFunction();
void abort();
// Called by the SpeechRecognitionClient.
void didStartAudio();
void didStartSound();
void didStartSpeech();
void didEndSpeech();
void didEndSound();
void didEndAudio();
void didReceiveResults(const Vector<RefPtr<SpeechRecognitionResult> >& newFinalResults, const Vector<RefPtr<SpeechRecognitionResult> >& currentInterimResults);
void didReceiveNoMatch(PassRefPtr<SpeechRecognitionResult>);
void didReceiveError(PassRefPtr<SpeechRecognitionError>);
void didStart();
void didEnd();
// EventTarget.
virtual const AtomicString& interfaceName() const OVERRIDE;
virtual ExecutionContext* executionContext() const OVERRIDE;
// ActiveDOMObject.
virtual void stop() OVERRIDE;
DEFINE_ATTRIBUTE_EVENT_LISTENER(audiostart);
DEFINE_ATTRIBUTE_EVENT_LISTENER(soundstart);
DEFINE_ATTRIBUTE_EVENT_LISTENER(speechstart);
DEFINE_ATTRIBUTE_EVENT_LISTENER(speechend);
DEFINE_ATTRIBUTE_EVENT_LISTENER(soundend);
DEFINE_ATTRIBUTE_EVENT_LISTENER(audioend);
DEFINE_ATTRIBUTE_EVENT_LISTENER(result);
DEFINE_ATTRIBUTE_EVENT_LISTENER(nomatch);
DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
DEFINE_ATTRIBUTE_EVENT_LISTENER(start);
DEFINE_ATTRIBUTE_EVENT_LISTENER(end);
private:
friend class RefCounted<SpeechRecognition>;
explicit SpeechRecognition(ExecutionContext*);
RefPtr<SpeechGrammarList> m_grammars;
String m_lang;
bool m_continuous;
bool m_interimResults;
unsigned long m_maxAlternatives;
SpeechRecognitionController* m_controller;
bool m_stoppedByActiveDOMObject;
bool m_started;
bool m_stopping;
Vector<RefPtr<SpeechRecognitionResult> > m_finalResults;
};
} // namespace WebCore
#endif // SpeechRecognition_h
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