| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_RECOGNITION_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_RECOGNITION_H_ |
| |
| #include "third_party/blink/public/mojom/speech/speech_recognizer.mojom-blink.h" |
| #include "third_party/blink/public/platform/web_private_ptr.h" |
| #include "third_party/blink/renderer/bindings/core/v8/active_script_wrappable.h" |
| #include "third_party/blink/renderer/core/execution_context/context_lifecycle_observer.h" |
| #include "third_party/blink/renderer/core/page/page_visibility_observer.h" |
| #include "third_party/blink/renderer/modules/event_target_modules.h" |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/modules/speech/speech_grammar_list.h" |
| #include "third_party/blink/renderer/modules/speech/speech_recognition_result.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/mojo/revocable_binding.h" |
| #include "third_party/blink/renderer/platform/wtf/compiler.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class ExecutionContext; |
| class LocalFrame; |
| class SpeechRecognitionController; |
| |
| class MODULES_EXPORT SpeechRecognition final |
| : public EventTargetWithInlineData, |
| public ActiveScriptWrappable<SpeechRecognition>, |
| public ContextLifecycleObserver, |
| public mojom::blink::SpeechRecognitionSessionClient, |
| public PageVisibilityObserver { |
| USING_GARBAGE_COLLECTED_MIXIN(SpeechRecognition); |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static SpeechRecognition* Create(ExecutionContext*); |
| |
| SpeechRecognition(LocalFrame*, ExecutionContext*); |
| ~SpeechRecognition() override; |
| |
| // SpeechRecognition.idl implemementation. |
| // Attributes. |
| SpeechGrammarList* grammars() { return grammars_; } |
| void setGrammars(SpeechGrammarList* grammars) { grammars_ = grammars; } |
| String lang() { return lang_; } |
| void setLang(const String& lang) { lang_ = lang; } |
| bool continuous() { return continuous_; } |
| void setContinuous(bool continuous) { continuous_ = continuous; } |
| bool interimResults() { return interim_results_; } |
| void setInterimResults(bool interim_results) { |
| interim_results_ = interim_results; |
| } |
| unsigned maxAlternatives() { return max_alternatives_; } |
| void setMaxAlternatives(unsigned max_alternatives) { |
| max_alternatives_ = max_alternatives; |
| } |
| |
| // Callable by the user. |
| void start(ExceptionState&); |
| void stopFunction(); |
| void abort(); |
| |
| // mojom::blink::SpeechRecognitionSessionClient |
| void ResultRetrieved( |
| WTF::Vector<mojom::blink::SpeechRecognitionResultPtr> results) override; |
| void ErrorOccurred(mojom::blink::SpeechRecognitionErrorPtr error) override; |
| void Started() override; |
| void AudioStarted() override; |
| void SoundStarted() override; |
| void SoundEnded() override; |
| void AudioEnded() override; |
| void Ended() override; |
| |
| // EventTarget |
| const AtomicString& InterfaceName() const override; |
| ExecutionContext* GetExecutionContext() const override; |
| |
| // ScriptWrappable |
| bool HasPendingActivity() const final; |
| |
| // ContextLifecycleObserver |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| // PageVisibilityObserver |
| void PageVisibilityChanged() override; |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(audiostart, kAudiostart); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(soundstart, kSoundstart); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(speechstart, kSpeechstart); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(speechend, kSpeechend); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(soundend, kSoundend); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(audioend, kAudioend); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(result, kResult); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(nomatch, kNomatch); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(error, kError); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(start, kStart); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(end, kEnd); |
| |
| void Trace(blink::Visitor*) override; |
| |
| private: |
| void OnConnectionError(); |
| |
| Member<SpeechGrammarList> grammars_; |
| String lang_; |
| bool continuous_; |
| bool interim_results_; |
| uint32_t max_alternatives_; |
| |
| Member<SpeechRecognitionController> controller_; |
| bool started_; |
| bool stopping_; |
| HeapVector<Member<SpeechRecognitionResult>> final_results_; |
| RevocableBinding<mojom::blink::SpeechRecognitionSessionClient> binding_; |
| mojom::blink::RevocableSpeechRecognitionSessionPtr session_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_RECOGNITION_H_ |