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    <div class="container-fluid">
  <h1>Timer</h1>
</div>
<div class="container-fluid">
  <div class="row">
    <div class="col-md-5"></div>
    <div class="col-md-1">
      <div class="btn-time-header">
        BREAK LENGTH
      </div>
       <div class="btn-time-change">
        <button id="btn-bl-down" class="btn btn-default btn-timer">-</button>
         <span id="break-length" class="time-num"> 5 </span>
        <button id="btn-bl-up" class="btn btn-default btn-timer">+</button>
      </div>
    </div>
    <div class="col-md-1">
      <div class="btn-time-header">
        SESSION LENGTH
      </div>
      <div class="btn-time-change">
        <button id="btn-sl-down" class="btn btn-default btn-timer">-</button>
        <span id="session-length" class="time-num"> 25 </span>
        <button id="btn-sl-up" class="btn btn-default btn-timer">+</button>
      </div>
    </div>
    <div class="col-md-5"></div>
  </div>
  
</div>

<div class="container-fluid">
  
  <div class="timer">
    <span id="timer-fill" class="timer-fill">
    </span>
    <div class="container-fluid">
      <div id="time-type" class="timer-text">
        Session
      </div>
    </div>
    <div class="container-fluid">
      <div id="time-action" class="timer-action-text">
        Start
      </div>
      <div id="time-action-running" class="timer-action-resets">
        <span id="time-action-reset" class="fa fa-repeat">Reset</span>
        <span id="time-action-pause" style="margin-left:10px" class="fa fa-pause">Pause</span>
        <span id="time-action-resume" style="margin-left:10px" class="fa fa-play">Resume</span>
      </div>
    </div>
    <div class="container-fluid">
      <div id="time-amount" class="timer-text timer-amount-text">
        <span id="time-amt-num">
          25
        </span>
        <div id="time-amt-type">
          Minutes
        </div>
      </div>
    </div>
  </div>
  
</div>

            
          
!
            
              html, 
body{
  height: 100%;
  overflow: hidden;
  background-color: #333333;
}

/* Header styling */
/* I'm using Pacifico for headers because I like it */
h1,
h2,
h3,
h4,
h5,
h6{
  display: block;
  background-color: #333333;
  margin: 0 auto;
  color: white;
  text-align: center;
  font-family: 'Pacifico',cursive;
  font-size: 5em;
}

.timer {
  margin: 0 auto;
  text-align: center;
  width: 300px;
  height: 300px;
  font-size: 4em;
  border: 2px solid #99CC00;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  z-index: 20;
  overflow: hidden;
}

.timer-text{
  text-align: center;
  font-family: 'Open Sans', sans-serif;
  color: white;
  font-size: .6em;
  margin-top: 40px;
}

.timer-amount-text{
  margin-top: 15px;
}

.timer-action-text{
  text-align: center;
  font-family: 'Open Sans', sans-serif;
  color: white;
  font-size: .5em;
  margin-top: 20px;
}

.timer-action-resets{
  text-align: center;
  font-family: 'Open Sans', sans-serif;
  color: white;
  font-size: .4em;
  margin-top: 20px;
}

.timer:before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  border-radius: 50%;
  z-index: 2;
  border: 4px solid #333333;
}

.timer-fill{
  position: absolute;
  background: #99CC00;
  bottom: 0;
  right: 0;
  left: 0;
  z-index: -1;
  height: 0%;
}

.btn-time-header{
  font-family: 'Open Sans', sans-serif;
  color: white;
  text-align: center;
  font-size: .8em;
}

.btn-time-change{
  font-family: 'Open Sans', sans-serif;
  color: white;
  text-align: center;
  font-size: .8em;
}

.time-num{
  font-family: 'Open Sans', sans-serif;
  color: white;
  text-align: center;
  font-size: 2em;
}

.btn-timer{
  background-color: #333333;
  color: white;
}

            
          
!
            
              $(function() {
  
  $("#time-action-reset").hide();
  $("#time-action-pause").hide();
  $("#time-action-resume").hide();
  
  var timeMS = 0;
  var timeType = "session";
  var minMS = 60000;
  var timerRunning = false;
  var startMS = 0;
  var currentMS = 0;
  var audFile = 'http://www.oringz.com/oringz-uploads/sounds-917-communication-channel.mp3';
  //var audFile = 'http://www.oringz.com/oringz-uploads/sounds-948-just-like-magic.mp3';
  var paused = false;
  
  function increaseBtn(elementID){
    var elementLength = parseInt(elementID.text());
    if (elementLength === 60) {
      elementLength = 1;
    } else {
      if (elementLength < 5) {
        elementLength += 1;
      } else {
        elementLength += 5;
      }
    }
    elementID.text(elementLength.toString());
    return elementLength;
  }
  
  function decreaseBtn(elementID){
    var elementLength = parseInt(elementID.text());
    if (elementLength === 1) {
      elementLength = 60;
    } else {
      if (elementLength <= 5) {
        elementLength -= 1;
      } else {
        elementLength -= 5;
      }
    }
    elementID.text(elementLength.toString());
    return elementLength;
  }
  
  function animateTimer(timeDuration, audioFile){
      var timeMS = timeDuration;
      
     $("#timer-fill").animate({
        height: '100%'
      }, 
      {
       duration: timeMS,
       easing: "linear",
       step: function(now, fx) {

         var t = $.now();
         var timeDuration = t - startMS;
         var msLeft = timeMS - timeDuration;
         currentMS = msLeft;
         
         var secondMS = 1000;

         if (msLeft < minMS) {
           // less than a minute left
           // change the time-amt-type to seconds
           $("#time-amt-type").text("Seconds");
           // get the time left in seconds     
           var secondsLeft = Math.floor((msLeft / secondMS) % 60);
           if(!isNaN(secondsLeft) && secondsLeft >= 0)
           { 
              $("#time-amt-num").text(secondsLeft.toString()); 
           }
          
         } else {
           var minutesLeft = Math.floor((msLeft / minMS));
           secondsLeft = Math.floor((msLeft / secondMS) % 60);
           
           // format seconds to have 2 digits
           var secondsLeftVal = secondsLeft.toString();
           if(secondsLeft < 10){
             secondsLeftVal = "0" + secondsLeft.toString();
           }
           
           if(!isNaN(minutesLeft)){ 
             $("#time-amt-num").text(minutesLeft.toString() + " : " + secondsLeftVal); 
           }          
         }
         
        },
        complete: function(){
			    audioFile.play();
          
          if(timeType === "session"){
            timeType = "break";
            $("#time-type").text("Break");
            var blText = $("#break-length").text();
            $("#time-amt-num").text(blText);
            $("#time-amt-type").text("Minutes");
          }
          else{
            timeType = "session";
            $("#time-type").text("Session");
            $("#time-amt-num").text($("#session-length").text());
            $("#time-amt-type").text("Minutes");
          }
          
          $("#timer-fill").css("height","0%");
          
          if (timeType === "session") {
            timeMS = parseInt($("#session-length").text());
          } else {
            timeMS = parseInt($("#break-length").text());
          }
          
          timeMS *= minMS;
          startMS = $.now();
          animateTimer(timeMS, audioFile);
        }
     });
  }
  
  function resetTimer(){
    
      // stop the animation
      $("#timer-fill").clearQueue();
      $("#timer-fill").stop();
      // reset the clock
      $("#timer-fill").css("height","0%");
      $("#time-amt-type").text("Minutes");
      $("#time-amt-num").text($("#session-length").text());
      $("#time-type").text("Session");
      timeType = "session";
      timerRunning = false;
      
      // add buttons back
      $("#btn-bl-up").show();
      $("#btn-bl-down").show();
      $("#btn-sl-up").show();
      $("#btn-sl-down").show();
      // change text to start
      $("#time-action-reset").hide();
      $("#time-action-pause").hide();
      $("#time-action-resume").hide();
      $("#time-action").show();
      
  }
  
  function pauseTimer(){

      // stop the animation
      $("#timer-fill").clearQueue();
      $("#timer-fill").stop();
      
      var $timerFillHeight = $("#timer-fill").css('height');      
      $("#timer-fill").css("height",$timerFillHeight);
      
      $("#time-action-pause").hide();
      $("#time-action-resume").show();
      
      timerRunning = false;
      paused = true;
       
  }
  
  function startTimer(){
      startMS = $.now();
      timerRunning = true;
      // remove buttons while timer is running
      $("#btn-bl-up").hide();
      $("#btn-bl-down").hide();
      $("#btn-sl-up").hide();
      $("#btn-sl-down").hide();
      // change text to reset
      $("#time-action").hide();
      $("#time-action-reset").show();
      $("#time-action-pause").show();
      
      if (timeType === "session") { timeMS = parseInt($("#session-length").text()); } 
      else { timeMS = parseInt($("#break-length").text()); }
      
      timeMS *= minMS;
  }
  
  $("#btn-bl-up").on('click', function() {
    if(!timerRunning){ increaseBtn($("#break-length")); }
  });

  $("#btn-bl-down").on('click', function() {
    if(!timerRunning){ decreaseBtn($("#break-length")); }
  });

  $("#btn-sl-up").on('click', function() {
    
    if(!timerRunning){ 
      var sessionLength = increaseBtn($("#session-length"));
      $("#time-amt-num").text(sessionLength.toString());
    }
    
  });

  $("#btn-sl-down").on('click', function() {
    
    if(!timerRunning){ 
      var sessionLength = decreaseBtn($("#session-length"));
      $("#time-amt-num").text(sessionLength.toString());
    }
    
  });

  $(".timer").on('click', function(e) {
    var audio = new Audio(audFile);
    // pre-load the audio file to get around the 
    // weird mobile chrome block for playing audio
    audio.load();
    
    var $pauseLeft = $("#time-action-pause").offset().left;
    var $resumeLeft = $("#time-action-resume").offset().left;
    var $clickX = e.pageX;
    
    console.log("Pause left: " + $pauseLeft + " resume left: " + $resumeLeft + " click X: " + $clickX);
    
    if(paused){
      // if paused before click options are resume
      // and reset
      paused = false;
      if($clickX < $resumeLeft){ resetTimer();}
      else{
        // resume           
        startMS = $.now();
        timeMS = currentMS;
        $("#time-action-resume").hide();
        $("#time-action-pause").show();
        timerRunning = true; 
      }
    }
    else if (timerRunning){
        // if the timer is running and it's clicked
        // options are pause and reset
        if($clickX < $pauseLeft){ resetTimer(); }
        else{ pauseTimer(); }
    } 
    else {
      // not paused and timer not running before click
      // start the timer
      startTimer();
    }

    if(timerRunning){ animateTimer(timeMS, audio);  }

  });

});
            
          
!
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