Current Path : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/transition-timer/ |
Current File : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/transition-timer/transition-timer-debug.js |
/* YUI 3.17.2 (build 9c3c78e) Copyright 2014 Yahoo! Inc. All rights reserved. Licensed under the BSD License. http://yuilibrary.com/license/ */ YUI.add('transition-timer', function (Y, NAME) { /** * Provides the base Transition class, for animating numeric properties. * * @module transition * @submodule transition-timer */ var Transition = Y.Transition; Y.mix(Transition.prototype, { _start: function() { if (Transition.useNative) { this._runNative(); } else { this._runTimer(); } }, _runTimer: function() { var anim = this; anim._initAttrs(); Transition._running[Y.stamp(anim)] = anim; anim._startTime = new Date(); Transition._startTimer(); }, _endTimer: function() { var anim = this; delete Transition._running[Y.stamp(anim)]; anim._startTime = null; }, _runFrame: function() { var t = new Date() - this._startTime; this._runAttrs(t); }, _runAttrs: function(time) { var anim = this, node = anim._node, config = anim._config, uid = Y.stamp(node), attrs = Transition._nodeAttrs[uid], customAttr = Transition.behaviors, done = false, allDone = false, data, name, attribute, setter, elapsed, delay, d, t, i; for (name in attrs) { if ((attribute = attrs[name]) && attribute.transition === anim) { d = attribute.duration; delay = attribute.delay; elapsed = (time - delay) / 1000; t = time; data = { type: 'propertyEnd', propertyName: name, config: config, elapsedTime: elapsed }; setter = (i in customAttr && 'set' in customAttr[i]) ? customAttr[i].set : Transition.DEFAULT_SETTER; done = (t >= d); if (t > d) { t = d; } if (!delay || time >= delay) { setter(anim, name, attribute.from, attribute.to, t - delay, d - delay, attribute.easing, attribute.unit); if (done) { delete attrs[name]; anim._count--; if (config[name] && config[name].on && config[name].on.end) { config[name].on.end.call(Y.one(node), data); } //node.fire('transition:propertyEnd', data); if (!allDone && anim._count <= 0) { allDone = true; anim._end(elapsed); anim._endTimer(); } } } } } }, _initAttrs: function() { var anim = this, customAttr = Transition.behaviors, uid = Y.stamp(anim._node), attrs = Transition._nodeAttrs[uid], attribute, duration, delay, easing, val, name, mTo, mFrom, unit, begin, end; for (name in attrs) { if ((attribute = attrs[name]) && attribute.transition === anim) { duration = attribute.duration * 1000; delay = attribute.delay * 1000; easing = attribute.easing; val = attribute.value; // only allow supported properties if (name in anim._node.style || name in Y.DOM.CUSTOM_STYLES) { begin = (name in customAttr && 'get' in customAttr[name]) ? customAttr[name].get(anim, name) : Transition.DEFAULT_GETTER(anim, name); mFrom = Transition.RE_UNITS.exec(begin); mTo = Transition.RE_UNITS.exec(val); begin = mFrom ? mFrom[1] : begin; end = mTo ? mTo[1] : val; unit = mTo ? mTo[2] : mFrom ? mFrom[2] : ''; // one might be zero TODO: mixed units if (!unit && Transition.RE_DEFAULT_UNIT.test(name)) { unit = Transition.DEFAULT_UNIT; } if (typeof easing === 'string') { if (easing.indexOf('cubic-bezier') > -1) { easing = easing.substring(13, easing.length - 1).split(','); } else if (Transition.easings[easing]) { easing = Transition.easings[easing]; } } attribute.from = Number(begin); attribute.to = Number(end); attribute.unit = unit; attribute.easing = easing; attribute.duration = duration + delay; attribute.delay = delay; } else { delete attrs[name]; anim._count--; } } } }, destroy: function() { this.detachAll(); this._node = null; } }, true); Y.mix(Y.Transition, { _runtimeAttrs: {}, /* * Regex of properties that should use the default unit. * * @property RE_DEFAULT_UNIT * @static */ RE_DEFAULT_UNIT: /^width|height|top|right|bottom|left|margin.*|padding.*|border.*$/i, /* * The default unit to use with properties that pass the RE_DEFAULT_UNIT test. * * @property DEFAULT_UNIT * @static */ DEFAULT_UNIT: 'px', /* * Time in milliseconds passed to setInterval for frame processing * * @property intervalTime * @default 20 * @static */ intervalTime: 20, /* * Bucket for custom getters and setters * * @property behaviors * @static */ behaviors: { left: { get: function(anim, attr) { return Y.DOM._getAttrOffset(anim._node, attr); } } }, /* * The default setter to use when setting object properties. * * @property DEFAULT_SETTER * @static */ DEFAULT_SETTER: function(anim, att, from, to, elapsed, duration, fn, unit) { from = Number(from); to = Number(to); var node = anim._node, val = Transition.cubicBezier(fn, elapsed / duration); val = from + val[0] * (to - from); if (node) { if (att in node.style || att in Y.DOM.CUSTOM_STYLES) { unit = unit || ''; Y.DOM.setStyle(node, att, val + unit); } } else { anim._end(); } }, /* * The default getter to use when getting object properties. * * @property DEFAULT_GETTER * @static */ DEFAULT_GETTER: function(anim, att) { var node = anim._node, val = ''; if (att in node.style || att in Y.DOM.CUSTOM_STYLES) { val = Y.DOM.getComputedStyle(node, att); } return val; }, _startTimer: function() { if (!Transition._timer) { Transition._timer = setInterval(Transition._runFrame, Transition.intervalTime); } }, _stopTimer: function() { clearInterval(Transition._timer); Transition._timer = null; }, /* * Called per Interval to handle each animation frame. * @method _runFrame * @private * @static */ _runFrame: function() { var done = true, anim; for (anim in Transition._running) { if (Transition._running[anim]._runFrame) { done = false; Transition._running[anim]._runFrame(); } } if (done) { Transition._stopTimer(); } }, cubicBezier: function(p, t) { var x0 = 0, y0 = 0, x1 = p[0], y1 = p[1], x2 = p[2], y2 = p[3], x3 = 1, y3 = 0, A = x3 - 3 * x2 + 3 * x1 - x0, B = 3 * x2 - 6 * x1 + 3 * x0, C = 3 * x1 - 3 * x0, D = x0, E = y3 - 3 * y2 + 3 * y1 - y0, F = 3 * y2 - 6 * y1 + 3 * y0, G = 3 * y1 - 3 * y0, H = y0, x = (((A*t) + B)*t + C)*t + D, y = (((E*t) + F)*t + G)*t + H; return [x, y]; }, easings: { ease: [0.25, 0, 1, 0.25], linear: [0, 0, 1, 1], 'ease-in': [0.42, 0, 1, 1], 'ease-out': [0, 0, 0.58, 1], 'ease-in-out': [0.42, 0, 0.58, 1] }, _running: {}, _timer: null, RE_UNITS: /^(-?\d*\.?\d*){1}(em|ex|px|in|cm|mm|pt|pc|%)*$/ }, true); Transition.behaviors.top = Transition.behaviors.bottom = Transition.behaviors.right = Transition.behaviors.left; Y.Transition = Transition; }, '3.17.2', {"requires": ["transition"]});