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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | 1 1577 1577 1532 12 1532 1532 1532 1532 54 54 1478 100 100 100 100 1378 1378 1532 1532 37 37 37 37 37 37 37 8 29 37 37 2 2 2 62 62 62 62 2 2 2 1 1 | /* * L.DomEvent contains functions for working with DOM events. */ L.DomEvent = { /* inspired by John Resig, Dean Edwards and YUI addEvent implementations */ addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object]) var id = L.stamp(fn), key = '_leaflet_' + type + id, handler, originalHandler, newType; if (obj[key]) { return this; } handler = function (e) { return fn.call(context || obj, e || L.DomEvent._getEvent()); }; Iif (L.Browser.msTouch && type.indexOf('touch') === 0) { return this.addMsTouchListener(obj, type, handler, id); } Iif (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) { this.addDoubleTapListener(obj, handler, id); } Eif ('addEventListener' in obj) { if (type === 'mousewheel') { obj.addEventListener('DOMMouseScroll', handler, false); obj.addEventListener(type, handler, false); } else if ((type === 'mouseenter') || (type === 'mouseleave')) { originalHandler = handler; newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout'); handler = function (e) { if (!L.DomEvent._checkMouse(obj, e)) { return; } return originalHandler(e); }; obj.addEventListener(newType, handler, false); } else Iif (type === 'click' && L.Browser.android) { originalHandler = handler; handler = function (e) { return L.DomEvent._filterClick(e, originalHandler); }; obj.addEventListener(type, handler, false); } else { obj.addEventListener(type, handler, false); } } else if ('attachEvent' in obj) { obj.attachEvent("on" + type, handler); } obj[key] = handler; return this; }, removeListener: function (obj, type, fn) { // (HTMLElement, String, Function) var id = L.stamp(fn), key = '_leaflet_' + type + id, handler = obj[key]; Iif (!handler) { return this; } Iif (L.Browser.msTouch && type.indexOf('touch') === 0) { this.removeMsTouchListener(obj, type, id); } else Iif (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) { this.removeDoubleTapListener(obj, id); } else Eif ('removeEventListener' in obj) { Iif (type === 'mousewheel') { obj.removeEventListener('DOMMouseScroll', handler, false); obj.removeEventListener(type, handler, false); } else if ((type === 'mouseenter') || (type === 'mouseleave')) { obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false); } else { obj.removeEventListener(type, handler, false); } } else if ('detachEvent' in obj) { obj.detachEvent("on" + type, handler); } obj[key] = null; return this; }, stopPropagation: function (e) { Eif (e.stopPropagation) { e.stopPropagation(); } else { e.cancelBubble = true; } return this; }, disableClickPropagation: function (el) { var stop = L.DomEvent.stopPropagation; for (var i = L.Draggable.START.length - 1; i >= 0; i--) { L.DomEvent.addListener(el, L.Draggable.START[i], stop); } return L.DomEvent .addListener(el, 'click', stop) .addListener(el, 'dblclick', stop); }, preventDefault: function (e) { Eif (e.preventDefault) { e.preventDefault(); } else { e.returnValue = false; } return this; }, stop: function (e) { return L.DomEvent.preventDefault(e).stopPropagation(e); }, getMousePosition: function (e, container) { var body = document.body, docEl = document.documentElement, x = e.pageX ? e.pageX : e.clientX + body.scrollLeft + docEl.scrollLeft, y = e.pageY ? e.pageY : e.clientY + body.scrollTop + docEl.scrollTop, pos = new L.Point(x, y); return (container ? pos._subtract(L.DomUtil.getViewportOffset(container)) : pos); }, getWheelDelta: function (e) { var delta = 0; if (e.wheelDelta) { delta = e.wheelDelta / 120; } if (e.detail) { delta = -e.detail / 3; } return delta; }, // check if element really left/entered the event target (for mouseenter/mouseleave) _checkMouse: function (el, e) { var related = e.relatedTarget; if (!related) { return true; } try { while (related && (related !== el)) { related = related.parentNode; } } catch (err) { return false; } return (related !== el); }, _getEvent: function () { // evil magic for IE /*jshint noarg:false */ var e = window.event; if (!e) { var caller = arguments.callee.caller; while (caller) { e = caller['arguments'][0]; if (e && window.Event === e.constructor) { break; } caller = caller.caller; } } return e; }, // this solves a bug in Android WebView where a single touch triggers two click events. _filterClick: function (e, handler) { var elapsed = L.DomEvent._lastClick && (e.timeStamp - L.DomEvent._lastClick); // are they closer together than 400ms yet more than 100ms? // Android typically triggers them ~300ms apart while multiple listeners // on the same event should be triggered far faster. if (elapsed && elapsed > 100 && elapsed < 400) { L.DomEvent.stop(e); return; } L.DomEvent._lastClick = e.timeStamp; return handler(e); } }; L.DomEvent.on = L.DomEvent.addListener; L.DomEvent.off = L.DomEvent.removeListener; |