/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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
 */

package com.android.inputmethod.leanback.voice;

/**
 * Keeps track of the speech level as last observed by the recognition
 * engine as microphone data flows through it. Can be polled by the UI to
 * animate its views.
 */
public class SpeechLevelSource {
    private volatile int mSpeechLevel;

    public void setSpeechLevel(int speechLevel) {
        if (speechLevel < 0 || speechLevel > 100) {
            throw new IllegalArgumentException();
        }
        mSpeechLevel = speechLevel;
    }

    public int getSpeechLevel() {
        return mSpeechLevel;
    }

    public void reset() {
        mSpeechLevel = -1;
    }

    public boolean isValid() {
        return mSpeechLevel > 0;
    }
}