1 /*

     2  * JavaScript file

     3  */

     4 

     5 var SETUP_ID = 1;

     6 

     7 var timervalue = 0;

     8 var initialTimer = 0;

     9 var timeoutId = null;

    10 

    11 function init()

    12 {

    13 	showMainWindow();

    14 	widget.setDisplayPortrait();

    15 }

    16 

    17 function startTimer() {

    18 	var hr = parseInt(document.getElementById("hrs").value);

    19 	var min = parseInt(document.getElementById("min").value);

    20 	var sec = parseInt(document.getElementById("sec").value);

    21 

    22 	timervalue = hr * 3600 + min * 60 + sec;

    23 	initialTimer = timervalue;

    24 	showMainWindow();

    25 	startCountdown();

    26 }

    27 

    28 function startCountdown() {

    29 	if (timeoutId) {

    30 		clearInterval(timeoutId);

    31 	}

    32 	timeoutId = window.setInterval(tick, 1000);

    33 	tick();

    34 }

    35 

    36 function tick() {

    37 	if (timervalue > 0) {

    38 		timervalue = timervalue - 1;

    39 		var hrs = Math.floor(timervalue / 3600);

    40 		var mins = Math.floor((timervalue % 3600) / 60);

    41 		var sec = timervalue % 60;

    42 		

    43 		var sz = pad(hrs) + ":" + pad(mins) + ":" + pad(sec);

    44 		document.getElementById("timervalue").innerHTML = sz;

    45 		document.getElementById("sand").style.top=(50 * (initialTimer-timervalue)/initialTimer).toFixed(0) + "%";

    46 		document.getElementById("sand-bottom").style.top=(50+(50 * timervalue/initialTimer)).toFixed(0) + "%";

    47 		if (timervalue == 0) {

    48 			cancelTimer();

    49 		}

    50 	}

    51 }

    52 

    53 function pad(num) {

    54 	if (num < 10) {

    55 		return '0' + num;

    56 	} else {

    57 		return num;

    58 	}

    59 }

    60 

    61 function cancelTimer() {

    62 	clearInterval(timeoutId);

    63 	timeoutId = 0;

    64 	timervalue = 0;

    65 	document.getElementById("timervalue").innerHTML = "00:00:00";

    66 	document.getElementById("sand").style.top="50%";

    67 	document.getElementById("sand-bottom").style.top="50%";

    68 }

    69 

    70 function showMainWindow() {

    71 	document.getElementById("main-window").style.display = "inherit";

    72 	document.getElementById("time-setup").style.display = "none";

    73 	var item = new MenuItem("Setup timer", SETUP_ID);

    74 	item.onSelect = showTimerSetup;

    75 	menu.append(item);

    76 	menu.setRightSoftkeyLabel("Exit", null);

    77 }

    78 

    79 function showTimerSetup() {

    80 	document.getElementById("main-window").style.display = "none";

    81 	document.getElementById("time-setup").style.display = "inherit";

    82 	var item = menu.getMenuItemById(SETUP_ID);

    83 	menu.remove(item);

    84 	menu.setRightSoftkeyLabel("Cancel", showMainWindow);

    85 }

    86 

    87 var paused = false;

    88 

    89 function pauseStart() {

    90 	if (paused) {

    91 		startCountdown();

    92 		document.getElementById("pausestart").style.backgroundPosition = "0px 0px";

    93 		paused = false;

    94 	} else {

    95 		if (timeoutId) {

    96 			window.clearInterval(timeoutId);

    97 			timeoutId = null;

    98 		}

    99 		document.getElementById("pausestart").style.backgroundPosition = "0px 32px";

   100 		paused = true;

   101 	}

   102 }