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Fix Touch events on Firefox and Chrome 

Fix Touch events by subscribing to both mouse and touch events when
available.
Navigators fires only touch or mouse event so no performance
degradation.
This commit is contained in:
Touch it 2013-06-01 03:21:45 +02:00
parent e5048b7f81
commit 447f6cfe9f
3 changed files with 5741 additions and 8048 deletions
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21
raphael-min.js vendored
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45
raphael.core.js
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@ -2692,19 +2692,31 @@
stopTouch = function () {
return this.originalEvent.stopPropagation();
},
getEventPosition = function (e) {
var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft;
return {
x: e.clientX + scrollX,
y: e.clientY + scrollY
};
},
addEvent = (function () {
if (g.doc.addEventListener) {
return function (obj, type, fn, element) {
var realName = supportsTouch && touchMap[type] ? touchMap[type] : type,
f = function (e) {
var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
x = e.clientX + scrollX,
y = e.clientY + scrollY;
if (supportsTouch && touchMap[has](type)) {
var f = function (e) {
var pos = getEventPosition(e);
return fn.call(element, e, pos.x, pos.y);
};
obj.addEventListener(type, f, false);
if (supportsTouch && touchMap[type]) {
var _f = function (e) {
var pos = getEventPosition(e),
olde = e;
for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {
if (e.targetTouches[i].target == obj) {
var olde = e;
e = e.targetTouches[i];
e.originalEvent = olde;
e.preventDefault = preventTouch;
@ -2712,12 +2724,19 @@
break;
}
}
}
return fn.call(element, e, x, y);
};
obj.addEventListener(realName, f, false);
return fn.call(element, e, pos.x, pos.y);
};
obj.addEventListener(touchMap[type], _f, false);
}
return function () {
obj.removeEventListener(realName, f, false);
obj.removeEventListener(type, f, false);
if (supportsTouch && touchMap[type])
obj.removeEventListener(touchMap[type], f, false);
return true;
};
};

13723
raphael.js
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