mirror of https://github.com/snachodog/mybuddy.git
105 lines
3.4 KiB
JavaScript
105 lines
3.4 KiB
JavaScript
/* Baby Buddy Timer
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*
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* Uses a supplied ID to run a timer. The element using the ID must have
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* three children with the following classes:
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* * timer-seconds
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* * timer-minutes
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* * timer-hours
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*/
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BabyBuddy.Timer = function ($) {
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var runIntervalId = null;
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var timerId = null;
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var timerElement = null;
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var lastUpdate = moment();
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var hidden = null;
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var Timer = {
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run: function(timer_id, element_id) {
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timerId = timer_id;
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timerElement = $('#' + element_id);
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if (timerElement.length == 0) {
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console.error('BBTimer: Timer element not found.');
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return false;
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}
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if (timerElement.find('.timer-seconds').length == 0
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|| timerElement.find('.timer-minutes').length == 0
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|| timerElement.find('.timer-hours').length == 0) {
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console.error('BBTimer: Element does not contain expected children.');
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return false;
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}
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runIntervalId = setInterval(this.tick, 1000);
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// If the page just came in to view, update the timer data with the
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// current actual duration. This will (potentially) help mobile
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// phones that lock with the timer page open.
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if (typeof document.hidden !== "undefined") {
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hidden = "hidden";
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}
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else if (typeof document.msHidden !== "undefined") {
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hidden = "msHidden";
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}
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else if (typeof document.webkitHidden !== "undefined") {
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hidden = "webkitHidden";
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}
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window.addEventListener('focus', Timer.handleVisibilityChange, false);
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},
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handleVisibilityChange: function() {
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if (!document[hidden] && moment().diff(lastUpdate) > 10000) {
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Timer.update();
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}
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},
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tick: function() {
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var s = timerElement.find('.timer-seconds');
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var seconds = Number(s.text());
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if (seconds < 59) {
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s.text(seconds + 1);
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return;
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}
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else {
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s.text(0);
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}
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var m = timerElement.find('.timer-minutes');
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var minutes = Number(m.text());
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if (minutes < 59) {
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m.text(minutes + 1);
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return;
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}
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else {
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m.text(0);
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}
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var h = timerElement.find('.timer-hours');
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var hours = Number(h.text());
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h.text(hours + 1);
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},
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update: function() {
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$.get('/api/timers/' + timerId + '/', function(data) {
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if (data && 'duration' in data) {
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clearInterval(runIntervalId);
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var duration = moment.duration(data.duration);
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timerElement.find('.timer-hours').text(duration.hours());
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timerElement.find('.timer-minutes').text(duration.minutes());
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timerElement.find('.timer-seconds').text(duration.seconds());
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lastUpdate = moment();
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if (data['active']) {
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runIntervalId = setInterval(Timer.tick, 1000);
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}
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else {
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timerElement.addClass('timer-stopped');
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}
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}
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});
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}
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};
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return Timer;
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}(jQuery);
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