forked from cpojer/mootools-mobile
/
Features.Touch.js
52 lines (39 loc) · 1.06 KB
/
Features.Touch.js
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/*
---
name: Browser.Features.Touch
description: Checks whether the used Browser has touch events
authors: Christoph Pojer (@cpojer)
license: MIT-style license.
requires: [Core/Browser]
provides: Browser.Features.Touch
...
*/
if(!Browser.ie){
Browser.Features.Touch = (function(){
try {
document.createEvent('TouchEvent').initTouchEvent('touchstart');
return true;
} catch (exception){}
return false;
})();
// Chrome 5 thinks it is touchy!
// Android doesn't have a touch delay and dispatchEvent does not fire the handler
Browser.Features.iOSTouch = (function(){
var name = 'cantouch', // Name does not matter
html = document.html,
hasTouch = false;
var handler = function(){
html.removeEventListener(name, handler, true);
hasTouch = true;
};
try {
html.addEventListener(name, handler, true);
var event = document.createEvent('TouchEvent');
event.initTouchEvent(name);
html.dispatchEvent(event);
return hasTouch;
} catch (exception){}
handler(); // Remove listener
return false;
})();
};