forked from foundation/motion-ui
-
Notifications
You must be signed in to change notification settings - Fork 0
/
motion-ui.js
105 lines (88 loc) · 2.9 KB
/
motion-ui.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
'use strict';
// Polyfill for requestAnimationFrame
(function() {
if (!Date.now)
Date.now = function() { return new Date().getTime(); };
var vendors = ['webkit', 'moz'];
for (var i = 0; i < vendors.length && !window.requestAnimationFrame; ++i) {
var vp = vendors[i];
window.requestAnimationFrame = window[vp+'RequestAnimationFrame'];
window.cancelAnimationFrame = (window[vp+'CancelAnimationFrame']
|| window[vp+'CancelRequestAnimationFrame']);
}
if (/iP(ad|hone|od).*OS 6/.test(window.navigator.userAgent)
|| !window.requestAnimationFrame || !window.cancelAnimationFrame) {
var lastTime = 0;
window.requestAnimationFrame = function(callback) {
var now = Date.now();
var nextTime = Math.max(lastTime + 16, now);
return setTimeout(function() { callback(lastTime = nextTime); },
nextTime - now);
};
window.cancelAnimationFrame = clearTimeout;
}
})();
var initClasses = ['mui-enter', 'mui-leave'];
var activeClasses = ['mui-enter-active', 'mui-leave-active'];
// Find the right "transitionend" event for this browser
var endEvent = (function() {
var transitions = {
'transition': 'transitionend',
'WebkitTransition': 'webkitTransitionEnd',
'MozTransition': 'transitionend',
'OTransition': 'otransitionend'
}
var elem = window.document.createElement('div');
for (var t in transitions) {
if (typeof elem.style[t] !== 'undefined') {
return transitions[t];
}
}
return null;
})();
function animate(isIn, element, animation, cb) {
element = $(element).eq(0);
if (!element.length) return;
if (endEvent === null) {
isIn ? element.show() : element.hide();
cb();
return;
}
var initClass = isIn ? initClasses[0] : initClasses[1];
var activeClass = isIn ? activeClasses[0] : activeClasses[1];
// Set up the animation
reset();
element.addClass(animation);
element.css('transition', 'none');
requestAnimationFrame(function() {
element.addClass(initClass);
if (isIn) element.show();
});
// Start the animation
requestAnimationFrame(function() {
element[0].offsetWidth;
element.css('transition', '');
element.addClass(activeClass);
});
// Clean up the animation when it finishes
element.one('transitionend', finish);
// Hides the element (for out animations), resets the element, and runs a callback
function finish() {
if (!isIn) element.hide();
reset();
if (cb) cb.apply(element);
}
// Resets transitions and removes motion-specific classes
function reset() {
element[0].style.transitionDuration = 0;
element.removeClass(initClass + ' ' + activeClass + ' ' + animation);
}
}
var MotionUI = {
animateIn: function(element, animation, cb) {
animate(true, element, animation, cb);
},
animateOut: function(element, animation, cb) {
animate(false, element, animation, cb);
}
}