标签：
|
1
|
|
|
1
|
|
|
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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
<!doctype html><html><head><meta charset="utf-8"><meta name="viewport" content="width=320,user-scalable=no" /><title>菜单条</title></head><body><style style=‘display:none‘ contentEditable>*{ margin:0; padding:0;}ul,li{ margin:0; padding:0; list-style:none;}#outer{ border:1px solid red; width:300px; height:46px; margin:20px auto; text-align:center; vertical-align:middle; line-height:46px; position:relative; overflow:hidden; background:#eee;}#outer:hover{ border-color:#333; cursor:pointer;}#inner{ position:absolute; left:0; top:1px; height:44px; line-height:44px; width:300px; background:#666; text-align:left; clear:both; overflow:hidden;}#inner li{ width:auto; height:44px; float:left; display:inline; padding:0 15px; text-align:center; }#inner li:hover{ background:#333;}#inner li a{font-size:14px; color:#fff; display:inline;width:auto; height:44px; line-height:44px; text-decoration:none;}.translateZ{ -webkit-transform:translateZ(0);transform:translateZ(0);-webkit-backface-visibility: hidden;backface-visibility: hidden;}.classtest{ background:#333;}</style><div id="outer"> <ul id="inner" > <li><a href="">首页start</a></li> <li><a href="">美剧1</a></li> <li><a href="">电影1</a></li> <li><a href="">购物1</a></li> <li><a href="">时尚1</a></li> <li><a href="">新闻1</a></li> <li><a href="">其他1</a></li> <li><a href="">热点1</a></li> <li><a href="">电视1</a></li> <li><a href="">历史1</a></li> <li><a href="">首页2</a></li> <li><a href="">美剧2</a></li> <li><a href="">电影2</a></li> <li><a href="">购物2</a></li> <li><a href="">时尚2</a></li> <li><a href="">新闻2</a></li> <li><a href="">其他2</a></li> <li><a href="">热点2</a></li> <li><a href="">电视2</a></li> <li><a href="">结尾end</a></li> </ul></div>touches：当前屏幕上所有手指的列表targetTouches：当前dom元素上手指的列表，尽量使用这个代替toucheschangedTouches：涉及当前事件的手指的列表，尽量使用这个代替touches<script src="../js/jquery-1.9.1.min.js"></script><script>window.onload=function(){ function getStyle(obj,attr){ return obj.currentStyle? obj.currentStyle[attr]:getComputedStyle(obj,false)[attr]; } var support = document.body.classList==undefined ? false : true ; var outer=document.getElementById("outer"); var inner=document.getElementById("inner"); var li=inner.getElementsByTagName("li"); var innerWd=0,i=0; for(;i<li.length;i++){ innerWd+=li[i].offsetWidth; } inner.style.width=innerWd+‘px‘; var startX=0; var alls=0; var moveLeft=0; var iSpeedX = 0; var prevX = 0; var timer = null; var resetStartX=true; var maxDistance=parseInt(outer.offsetWidth-innerWd); //最大滑动距离 inner.addEventListener("touchstart",start,false); function start(e){ if(inner.offsetWidth<outer.offsetWidth)return;//如果内部元素小于外框 不需要滑动 var e=e||window.event; e.preventDefault(); var touchs=e.touches[0], resetStartX=true;; //startX=prevX=touchs.pageX; startX=touchs.pageX; prevX=touchs.pageX; alls=this.offsetLeft; inner.addEventListener("touchmove",move,false); inner.addEventListener("touchend",end,false); } function move(e){ var e=e||window.event; if (e.touches.length > 1 || e.scale && e.scale !== 1) return; // 当屏幕有多个touch或者页面被缩放过，就不执行move操作 var touchs=e.changedTouches[0]; iSpeedX = touchs.pageX - prevX;//获取出手一瞬间的速度 prevX = touchs.pageX;//当前的始终覆盖上一个 moveLeft=touchs.pageX-startX; var that=this; if(that.offsetLeft>=0){ if(resetStartX){ startX=touchs.pageX; resetStartX=false; } that.style.left=moveLeft/3+alls+‘px‘; }else if(that.offsetLeft<=maxDistance){ if(resetStartX){ startX=touchs.pageX; resetStartX=false; } that.style.left=moveLeft/3+alls+‘px‘; }else{ that.style.left=moveLeft+alls+‘px‘; } //this.style.webkitTransform=‘translateZ(0)‘; //移动时候 缓存到GPU层 that.classList.add(‘translateZ‘); //classList 对已经增加的样式 不在判断是否添加 GPU缓存hack e.preventDefault(); } function end(){ var self=this; clearInterval(timer); timer=setInterval(function(){ if(Math.abs(iSpeedX)<=1||self.offsetLeft>50||self.offsetLeft<maxDistance-50){ clearInterval(timer); //if(self.classList.contains(‘translateZ‘)){ //滚动停止 结束时候回收GPU 垃圾// // self.classList.remove(‘translateZ‘); //不知道怎么删除这样样式 // // self.setAttribute("class",‘‘);// } if(self.offsetLeft>=0){ $(inner).animate({left:0},300,function(){ self.classList.remove(‘translateZ‘); //移除PGU hack }); } if(self.offsetLeft<maxDistance){ $(inner).animate({left:maxDistance+‘px‘},300,function(){ self.classList.remove(‘translateZ‘); //移除PGU hack }); } }else{ iSpeedX *= 0.95; self.style.left = parseInt(self.offsetLeft + iSpeedX) + ‘px‘; } },20); self.removeEventListener("touchmove",move,false); self.removeEventListener("touchend",end,false); //self.style.webkitTransform=‘‘; } } </script></body></html> |
|
1
|
|
|
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
|
function end(){ var self=this; clearTimeout(timer); timer=setTimeout(function(){ if(Math.abs(iSpeedX)<=1||self.offsetLeft>50||self.offsetLeft<maxDistance-50){ clearTimeout(timer); //if(self.classList.contains(‘translateZ‘)){ //滚动停止 结束时候回收GPU 垃圾// // self.classList.remove(‘translateZ‘); //不知道怎么删除这样样式 // // self.setAttribute("class",‘‘);// } if(self.offsetLeft>=0){ $(inner).animate({left:0},300,function(){ self.classList.remove(‘translateZ‘); //移除PGU hack }); } if(self.offsetLeft<maxDistance){ $(inner).animate({left:maxDistance+‘px‘},300,function(){ self.classList.remove(‘translateZ‘); //移除PGU hack }); } }else{ iSpeedX *= 0.95; self.style.left = parseInt(self.offsetLeft + iSpeedX) + ‘px‘; console.log(‘setTimeoutsss‘); setTimeout(arguments.callee,16) } },16); self.removeEventListener("touchmove",move,false); self.removeEventListener("touchend",end,false); //self.style.webkitTransform=‘‘; } |
function end(){
var self=this,
stopFlag=null;
function sliderMove(){
if(Math.abs(iSpeedX)<=1||self.offsetLeft>50||self.offsetLeft<maxDistance-50){
if(self.offsetLeft>=0){
$(inner).animate({left:0},300,function(){
self.classList.remove(‘translateZ‘); //移除PGU hack
});
}
if(self.offsetLeft<maxDistance){
$(inner).animate({left:maxDistance+‘px‘},300,function(){
self.classList.remove(‘translateZ‘); //移除PGU hack
});
}
window.cancelAnimationFrame(stopFlag);//可以取消该次动画
stopFlag=null;
sliderMove=null; //清空对象
console.log(‘requestAnimationFramessss‘+sliderMove);
}else{
iSpeedX *= 0.95;
self.style.left = parseInt(self.offsetLeft + iSpeedX) + ‘px‘;
console.log(‘滑动时候requestAnimationFrame次数‘);
stopFlag=requestAnimationFrame(arguments.callee);
}
}
sliderMove();
self.removeEventListener("touchmove",move,false);
self.removeEventListener("touchend",end,false);
//self.style.webkitTransform=‘‘;
}
|
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
|
;(function() { var lastTime = 0; var vendors = [‘ms‘, ‘moz‘, ‘webkit‘, ‘o‘]; for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) { window.requestAnimationFrame = window[vendors[x] + ‘RequestAnimationFrame‘]; window.cancelAnimationFrame = window[vendors[x] + ‘CancelAnimationFrame‘] || window[vendors[x] + ‘CancelRequestAnimationFrame‘]; } if (!window.requestAnimationFrame) window.requestAnimationFrame = function(callback, element) { var currTime = new Date().getTime(); var timeToCall = Math.max(0, 16 - (currTime - lastTime)); var id = window.setTimeout(function() { callback(currTime + timeToCall); }, timeToCall); lastTime = currTime + timeToCall; return id; }; if (!window.cancelAnimationFrame) window.cancelAnimationFrame = function(id) { clearTimeout(id); };}());// requestAnimationFrame polyfill by Erik Möller.// Fixes from Paul Irish, Tino Zijdel, Andrew Mao, Klemen Slavi?, Darius Bacon// MIT licenseif (!Date.now) Date.now = function() { return new Date().getTime(); };(function() { ‘use strict‘; 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) // iOS6 is buggy || !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; }}()); |
标签：
原文地址：http://www.cnblogs.com/sunshq/p/5017170.html
