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/*
* Copyright (C) 2013 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.server.twilight;
import java.text.DateFormat;
import java.util.Date;
/**
* Describes whether it is day or night.
* This object is immutable.
*/
public class TwilightState {
private final boolean mIsNight;
private final long mYesterdaySunset;
private final long mTodaySunrise;
private final long mTodaySunset;
private final long mTomorrowSunrise;
TwilightState(boolean isNight,
long yesterdaySunset,
long todaySunrise, long todaySunset,
long tomorrowSunrise) {
mIsNight = isNight;
mYesterdaySunset = yesterdaySunset;
mTodaySunrise = todaySunrise;
mTodaySunset = todaySunset;
mTomorrowSunrise = tomorrowSunrise;
}
/**
* Returns true if it is currently night time.
*/
public boolean isNight() {
return mIsNight;
}
/**
* Returns the time of yesterday's sunset in the System.currentTimeMillis() timebase,
* or -1 if the sun never sets.
*/
public long getYesterdaySunset() {
return mYesterdaySunset;
}
/**
* Returns the time of today's sunrise in the System.currentTimeMillis() timebase,
* or -1 if the sun never rises.
*/
public long getTodaySunrise() {
return mTodaySunrise;
}
/**
* Returns the time of today's sunset in the System.currentTimeMillis() timebase,
* or -1 if the sun never sets.
*/
public long getTodaySunset() {
return mTodaySunset;
}
/**
* Returns the time of tomorrow's sunrise in the System.currentTimeMillis() timebase,
* or -1 if the sun never rises.
*/
public long getTomorrowSunrise() {
return mTomorrowSunrise;
}
@Override
public boolean equals(Object o) {
return o instanceof TwilightState && equals((TwilightState)o);
}
public boolean equals(TwilightState other) {
return other != null
&& mIsNight == other.mIsNight
&& mYesterdaySunset == other.mYesterdaySunset
&& mTodaySunrise == other.mTodaySunrise
&& mTodaySunset == other.mTodaySunset
&& mTomorrowSunrise == other.mTomorrowSunrise;
}
@Override
public int hashCode() {
return 0; // don't care
}
@Override
public String toString() {
DateFormat f = DateFormat.getDateTimeInstance();
return "{TwilightState: isNight=" + mIsNight
+ ", mYesterdaySunset=" + f.format(new Date(mYesterdaySunset))
+ ", mTodaySunrise=" + f.format(new Date(mTodaySunrise))
+ ", mTodaySunset=" + f.format(new Date(mTodaySunset))
+ ", mTomorrowSunrise=" + f.format(new Date(mTomorrowSunrise))
+ "}";
}
}
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