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Fix default scroll in new chrome and android. #245

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Fix default scroll in new chrome and android. #245

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26 changes: 20 additions & 6 deletions jquery.scrollify.js
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,7 @@ if touchScroll is false - update index
firstLoad = true,
initialised = false,
destination = 0,
scrollOptions = false,
wheelEvent = 'onwheel' in document ? 'wheel' : document.onmousewheel !== undefined ? 'mousewheel' : 'DOMMouseScroll',
settings = {
//section should be an identifier that is the same for each section
Expand All @@ -91,6 +92,19 @@ if touchScroll is false - update index
afterResize:function() {},
afterRender:function() {}
};
// Some modern browsers requires passive to be set to be allow us to cancel events. We are performing
// Mozillas check to see if passive is an option, otherwise fall back to just setting capture to false.
// https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support
try {
var options = Object.defineProperty({}, "passive", {
get: function () {
scrollOptions = {capture: false, passive: false};
}
});

window.addEventListener("test", null, options);
} catch (err) { }

function animateScroll(index,instant,callbacks,toTop) {
if(currentIndex===index) {
callbacks = false;
Expand Down Expand Up @@ -505,9 +519,9 @@ if touchScroll is false - update index
},
init: function() {
if (document.addEventListener && settings.touchScroll) {
document.addEventListener('touchstart', swipeScroll.touchHandler, false);
document.addEventListener('touchmove', swipeScroll.touchHandler, false);
document.addEventListener('touchend', swipeScroll.touchHandler, false);
document.addEventListener('touchstart', swipeScroll.touchHandler, scrollOptions);
document.addEventListener('touchmove', swipeScroll.touchHandler, scrollOptions);
document.addEventListener('touchend', swipeScroll.touchHandler, scrollOptions);
}
}
};
Expand Down Expand Up @@ -785,9 +799,9 @@ if touchScroll is false - update index
$window.off('keydown', manualScroll.keyHandler);

if (document.addEventListener && settings.touchScroll) {
document.removeEventListener('touchstart', swipeScroll.touchHandler, false);
document.removeEventListener('touchmove', swipeScroll.touchHandler, false);
document.removeEventListener('touchend', swipeScroll.touchHandler, false);
document.removeEventListener('touchstart', swipeScroll.touchHandler, scrollOptions);
document.removeEventListener('touchmove', swipeScroll.touchHandler, scrollOptions);
document.removeEventListener('touchend', swipeScroll.touchHandler, scrollOptions);
}
heights = [];
names = [];
Expand Down