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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_SPEECH_SPEECH_RECOGNITION_EVENT_H_
#define COBALT_SPEECH_SPEECH_RECOGNITION_EVENT_H_
#include "base/memory/ref_counted.h"
#include "cobalt/dom/event.h"
#include "cobalt/script/wrappable.h"
#include "cobalt/speech/speech_recognition_result_list.h"
namespace cobalt {
namespace speech {
// The SpeechRecognitionEvent is the event that is raised each time there are
// any changes to interim or final results.
// https://dvcs.w3.org/hg/speech-api/raw-file/9a0075d25326/speechapi.html#speechreco-event
class SpeechRecognitionEvent : public dom::Event {
public:
// Result event and nomatch event MUST use the SpeechRecognitionEvent
// interface.
enum Type { kResult, kNoMatch };
SpeechRecognitionEvent(Type type, uint32 result_index,
const scoped_refptr<SpeechRecognitionResultList>&
speech_recognition_result_list);
uint32 result_index() { return result_index_; }
scoped_refptr<SpeechRecognitionResultList> results() const {
return speech_recognition_result_list_;
}
DEFINE_WRAPPABLE_TYPE(SpeechRecognitionEvent);
private:
~SpeechRecognitionEvent() OVERRIDE {}
// The result index MUST be set to the lowest index in the "results" array
// that has changed.
uint32 result_index_;
// The array of all current recognition results for this session.
scoped_refptr<SpeechRecognitionResultList> speech_recognition_result_list_;
DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionEvent);
};
} // namespace speech
} // namespace cobalt
#endif // COBALT_SPEECH_SPEECH_RECOGNITION_EVENT_H_