└── jquery.fastclick.js


/jquery.fastclick.js:
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 1 | /*!
 2 |  * jQuery fastclick Plugin
 3 |  * http://www.zurb.com/playground/
 4 |  * Ported from Ryan Fioravanti's fast button article
 5 |  * http://code.google.com/mobile/articles/fast_buttons.html
 6 |  *
 7 |  * Copyright 2011, ZURB
 8 |  * Released under the MIT License
 9 |  */
10 | (function ($) {
11 |   
12 |   $.event.special.fastclick = {
13 | 
14 | 		add: function (handleObj) {
15 | 		  var $this = $(this),
16 |           startX,
17 |           startY,
18 |           coordinates = [];
19 | 		  
20 | 		  function onTouchStart(event) {
21 |         event.stopPropagation();
22 | 
23 |         $(this).bind('touchend', onClick);
24 |         $('body').bind('touchmove', onTouchMove);
25 | 
26 |         startX = event.originalEvent.touches[0].clientX;
27 |         startY = event.originalEvent.touches[0].clientY;
28 |       }
29 |       
30 |       function pop() {
31 |         coordinates.splice(0, 2);
32 |       }
33 | 
34 |       function preventGhostClick(x, y) {
35 |         coordinates.push(x, y);
36 |         window.setTimeout(pop, 2500);
37 |       }
38 | 
39 |       function onClick(event) {
40 |         event.stopPropagation();
41 |         reset();
42 |         handleObj.handler.apply(this, arguments);
43 | 
44 |         if (event.originalEvent.type == 'touchend') {
45 |           preventGhostClick(startX, startY);
46 |         }
47 |       }
48 | 
49 |       function onTouchMove(event) {
50 |         if (Math.abs(event.originalEvent.touches[0].clientX - startX) > 10 ||
51 |             Math.abs(event.originalEvent.touches[0].clientY - startY) > 10) {
52 |           reset();
53 |         }
54 |       }
55 | 
56 |       function reset() {
57 |         $this.unbind('touchend');
58 |         $('body').unbind('touchmove');
59 |       }
60 |       
61 |       function clickBusterOnClick(event) {
62 |         for (var i = 0; i < coordinates.length; i += 2) {
63 |           var x = coordinates[i];
64 |           var y = coordinates[i + 1];
65 |           if (Math.abs(event.originalEvent.clientX - x) < 25 && Math.abs(event.originalEvent.clientY - y) < 25) {
66 |             event.stopPropagation();
67 |             event.preventDefault();
68 |           }
69 |         }
70 |       }
71 | 		  
72 | 		  $this.bind('touchstart', onTouchStart);
73 |       $this.bind('click', onClick);
74 | 		  $(document).bind('click', clickBusterOnClick);
75 | 		}
76 | 	};
77 | 
78 | }(jQuery));


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