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26 #ifndef SpeechRecognition_h
27 #define SpeechRecognition_h
29 #include "core/dom/ActiveDOMObject.h"
30 #include "modules/EventTargetModules.h"
31 #include "modules/speech/SpeechGrammarList.h"
32 #include "modules/speech/SpeechRecognitionResult.h"
33 #include "platform/heap/Handle.h"
34 #include "wtf/Compiler.h"
35 #include "wtf/text/WTFString.h"
40 class ExecutionContext;
41 class MediaStreamTrack;
42 class SpeechRecognitionController;
43 class SpeechRecognitionError;
45 class SpeechRecognition final : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<SpeechRecognition>, public ActiveDOMObject, public EventTargetWithInlineData {
46 DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<SpeechRecognition>);
47 DEFINE_WRAPPERTYPEINFO();
48 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SpeechRecognition);
50 static SpeechRecognition* create(ExecutionContext*);
51 virtual ~SpeechRecognition();
53 // SpeechRecognition.idl implemementation.
55 SpeechGrammarList* grammars() { return m_grammars; }
56 void setGrammars(SpeechGrammarList* grammars) { m_grammars = grammars; }
57 String lang() { return m_lang; }
58 void setLang(const String& lang) { m_lang = lang; }
59 bool continuous() { return m_continuous; }
60 void setContinuous(bool continuous) { m_continuous = continuous; }
61 bool interimResults() { return m_interimResults; }
62 void setInterimResults(bool interimResults) { m_interimResults = interimResults; }
63 unsigned long maxAlternatives() { return m_maxAlternatives; }
64 void setMaxAlternatives(unsigned long maxAlternatives) { m_maxAlternatives = maxAlternatives; }
65 MediaStreamTrack* audioTrack() { return m_audioTrack; }
66 void setAudioTrack(MediaStreamTrack* audioTrack) { m_audioTrack = audioTrack; }
68 // Callable by the user.
69 void start(ExceptionState&);
73 // Called by the SpeechRecognitionClient.
76 void didStartSpeech();
80 void didReceiveResults(const HeapVector<Member<SpeechRecognitionResult> >& newFinalResults, const HeapVector<Member<SpeechRecognitionResult> >& currentInterimResults);
81 void didReceiveNoMatch(SpeechRecognitionResult*);
82 void didReceiveError(PassRefPtrWillBeRawPtr<SpeechRecognitionError>);
87 virtual const AtomicString& interfaceName() const override;
88 virtual ExecutionContext* executionContext() const override;
91 virtual bool hasPendingActivity() const override;
92 virtual void stop() override;
94 DEFINE_ATTRIBUTE_EVENT_LISTENER(audiostart);
95 DEFINE_ATTRIBUTE_EVENT_LISTENER(soundstart);
96 DEFINE_ATTRIBUTE_EVENT_LISTENER(speechstart);
97 DEFINE_ATTRIBUTE_EVENT_LISTENER(speechend);
98 DEFINE_ATTRIBUTE_EVENT_LISTENER(soundend);
99 DEFINE_ATTRIBUTE_EVENT_LISTENER(audioend);
100 DEFINE_ATTRIBUTE_EVENT_LISTENER(result);
101 DEFINE_ATTRIBUTE_EVENT_LISTENER(nomatch);
102 DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
103 DEFINE_ATTRIBUTE_EVENT_LISTENER(start);
104 DEFINE_ATTRIBUTE_EVENT_LISTENER(end);
106 virtual void trace(Visitor*) override;
109 explicit SpeechRecognition(ExecutionContext*);
111 Member<SpeechGrammarList> m_grammars;
112 Member<MediaStreamTrack> m_audioTrack;
115 bool m_interimResults;
116 unsigned long m_maxAlternatives;
118 RawPtrWillBeMember<SpeechRecognitionController> m_controller;
119 bool m_stoppedByActiveDOMObject;
122 HeapVector<Member<SpeechRecognitionResult> > m_finalResults;
127 #endif // SpeechRecognition_h