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only run program timeline update when program timeline is visible

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MaZderMind 2014-11-09 19:43:50 +01:00
parent ed7b993d02
commit 21cb56374f
1 changed files with 28 additions and 10 deletions
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38
assets/js/lustiges-script.js
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@ -46,15 +46,18 @@ $(function() {
$irc.addClass('active');
}).attr('src', $iframe.data('src'));
});
});
// programm-timeline
$(function() {
var
$program = $('.program'),
$now = $program.find('.now'),
scrollLock = false,
rewindTimeout,
rewindTime = 10000 /* 10 seconds after manual navigation */,
scrollDuration = 500 /* 1/2s animation on the scolling element */;
rewindTime = 10000, /* 10 seconds after manual navigation */
scrollDuration = 500, /* 1/2s animation on the scolling element */
updateTimer = 500; /* update now-pointer placement every 1/2s */
$program.on('mouseenter mouseleave touchstart touchend', function(e) {
if(e.type == 'mouseleave' || e.type == 'touchend') {
@ -68,7 +71,7 @@ $(function() {
});
// program now-marker & scrolling
function interval(initial) {
function updateProgramView(initial) {console.log('updateProgramView');
var
// offset to the browsers realtime (for simulation
offset = $('.program').data('offset'),
@ -129,15 +132,30 @@ $(function() {
}
}
// initial trigger
interval(true);
// timed triggers
setInterval(interval, 500);
// when on programs tab
var updateInterval;
function on() {
// initial trigger
updateProgramView(true);
// timed triggers
updateInterval = setInterval(updateProgramView, updateTimer);
}
function off() {
clearInterval(updateInterval);
}
if(window.location.hash == '#program')
on();
// trigger when a tab was changed
$('.nav-tabs').on('shown.bs.tab', 'a', function (e) {
interval(true);
$('.nav-tabs').on('shown.bs.tab', 'a', function(e) {
if(e.target.hash == '#program')
on();
else
off();
});
});