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Timer / src / com.example.android.wearable.timer / util /

TimerObj.java

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/*
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 * Copyright (C) 2014 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.example.android.wearable.timer.util;
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import android.os.SystemClock;
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/** This class represents a timer. */
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public class TimerObj {
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    // Start time in milliseconds.
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    public long startTime;
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    // Length of the timer in milliseconds.
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    public long originalLength;
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    /**
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     * Construct a timer with a specific start time and length.
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     *
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     * @param startTime the start time of the timer.
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     * @param timerLength the length of the timer.
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     */
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    public TimerObj(long startTime, long timerLength) {
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        this.startTime = startTime;
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        this.originalLength = timerLength;
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    }
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    /**
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     * Calculate the time left of this timer.
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     * @return the time left for this timer.
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     */
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    public long timeLeft() {
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        long millis = SystemClock.elapsedRealtime();
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        return originalLength - (millis - startTime);
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    }
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}
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