Android Open Source - SmartNotify Silent Period Manager

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License

The source code is released under:

Copyright (c) 2014, Sergey Parshin All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ...

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Java Source Code

/*
 * Copyright (c) 2014, Sergey Parshin, quarck@gmail.com
 * All rights reserved./*from w w w.  j a v  a2 s.co  m*/
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of developer (Sergey Parshin) nor the
 *       names of other project contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.github.quarck.smartnotify;

import java.util.Calendar;

public class SilentPeriodManager
{
  private static final String TAG = "SilentPeriodManager";
  
  public static boolean isEnabled(Settings settings)
  {
    return settings.isSilencePeriodEnabled() && settings.hasSilencePeriod();
  }

  // returns time in millis, when silent period ends, 
  // or 0 if we are not on silent 
  public static long getSilentUntil(Settings settings)
  {
    if (!isEnabled(settings))
      return 0;
    
    long ret = 0;
    
    Calendar cal = Calendar.getInstance();
    int hour = cal.get(Calendar.HOUR_OF_DAY);
    int minute = cal.get(Calendar.MINUTE);
    int currentTm = hour * 60 + minute;

    int silenceFrom = settings.getSilenceFrom();
    int silenceTo = settings.getSilenceTo();

    Lw.d(TAG, "have silent period from " + silenceFrom + " to " + silenceTo);
    Lw.d(TAG, "Current time is " + currentTm);

    if (silenceTo < silenceFrom)
      silenceTo += 24 * 60;

    if ( inRange(currentTm, silenceFrom, silenceTo)
      || inRange(currentTm+24*60, silenceFrom, silenceTo))
    {
      long silentLenghtMins = (silenceTo + 24*60 - currentTm) % (24*60);
      
      ret = System.currentTimeMillis() + silentLenghtMins * 60 * 1000; // convert minutes to milliseconds

      Lw.d(TAG, "We are in the silent zone until " + ret + " (it is " + silentLenghtMins + " minutes from now)");
    }
    else
    {
      Lw.d(TAG, "We are not in the silent mode");    
    }
    
    return ret;
  }
  
  private static boolean inRange(int value, int low, int high)
  {
    return (low <= value && value <= high);
  }
}

Java Source Code List