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added touch support #9

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added touch support #9

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31 changes: 31 additions & 0 deletions js/base.js
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,7 @@ $(document).ready(function() {
setupCoverflow();
setupCrane();
setupMap();
setupTouch();

// demo menu
$('.example-menu a').bind('click', onDemoNav);
Expand Down Expand Up @@ -394,3 +395,33 @@ function clamp(val, min, max) {
if(val < min) return min;
return val;
}

function touchHandler(event) {
var touches = event.changedTouches;
var first = touches[0];
var type = '';

switch(event.type) {
case 'touchstart' : type = 'mousedown'; break;
case 'touchmove' : type = 'mousemove'; break;
case 'touchend' : type = 'mouseup'; break;
default : return;
}

var simulatedEvent = document.createEvent('MouseEvent');

simulatedEvent.initMouseEvent(type, true, true, window, 1,
first.screenX, first.screenY,
first.clientX, first.clientY, false,
false, false, false, 0/*left*/, null);
first.target.dispatchEvent(simulatedEvent);

if(event.type == 'mousemove') { event.preventDefault() }
}

function setupTouch() {
document.addEventListener('touchstart', touchHandler, true);
document.addEventListener('touchmove', touchHandler, true);
document.addEventListener('touchend', touchHandler, true);
document.addEventListener('touchcancel', touchHandler, true);
}