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// Copyright 2017 The Cobalt Authors. 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_SYNTHESIS_EVENT_H_
#define COBALT_SPEECH_SPEECH_SYNTHESIS_EVENT_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/optional.h"
#include "cobalt/dom/event.h"
#include "cobalt/script/wrappable.h"
namespace cobalt {
namespace speech {
class SpeechSynthesisUtterance;
// The speech synthesis event interface is the scripted web API for defining a
// speech synthesis event.
// https://dvcs.w3.org/hg/speech-api/raw-file/9a0075d25326/speechapi.html#speechsynthesisevent
class SpeechSynthesisEvent : public dom::Event {
public:
SpeechSynthesisEvent(
base::Token event_name,
const scoped_refptr<SpeechSynthesisUtterance>& utterance);
~SpeechSynthesisEvent();
// Readonly Attributes.
const scoped_refptr<SpeechSynthesisUtterance>& utterance() const {
return utterance_;
}
const base::Optional<unsigned int> char_index() const { return char_index_; }
const base::Optional<float> elapsed_time() const { return elapsed_time_; }
const base::Optional<std::string>& name() const { return name_; }
DEFINE_WRAPPABLE_TYPE(SpeechSynthesisEvent);
void TraceMembers(script::Tracer* tracer) override;
private:
const scoped_refptr<SpeechSynthesisUtterance> utterance_;
const base::Optional<unsigned int> char_index_;
const base::Optional<float> elapsed_time_;
const base::Optional<std::string> name_;
DISALLOW_COPY_AND_ASSIGN(SpeechSynthesisEvent);
};
} // namespace speech
} // namespace cobalt
#endif // COBALT_SPEECH_SPEECH_SYNTHESIS_EVENT_H_