transition/js/transition-timer.js

	transition-timer.js revision ca4ee40983d39fb8235d544a1049ba4ecc67964e
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley/**
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews* The Transition Utility provides an API for creating advanced transitions.
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews* @module node
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews*/
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley/**
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley* Provides the base Transition class, for animating numeric properties.
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews*
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews* @module node
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews* @submodule transition
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews*/
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews/**
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews * A class for constructing animation instances.
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews * @class Transition
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley * @for Transition
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews * @constructor
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews */
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halleyvar PROPERTY_END = 'transition:propertyEnd',
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    Transition = Y.Transition;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob HalleyY.mix(Transition.prototype, {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _start: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        if (Transition.useNative) {
8a66318e41ed14c5a88130e8c362610e8faa2121Mark Andrews            this._runNative();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        } else {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            this._runTimer();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _runTimer: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        var anim = this;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        anim._initAttrs();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        Transition._running[Y.stamp(anim)] = anim;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        anim._startTime = new Date();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        Transition._startTimer();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _end: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        delete Transition._running[Y.stamp(this)];
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        this._running = false;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        this._startTime = null;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _runFrame: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        var t = new Date() - this._startTime;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        this._runAttrs(t);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _runAttrs: function(time) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        var anim = this,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            node = anim._node,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            uid = Y.stamp(node),
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            attrs = Transition._nodeAttrs[uid],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            customAttr = Transition.behaviors,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            done = false,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            allDone = false,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            callback = anim._callback,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            name,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            attribute,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            setter,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            elapsed,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            delay,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            d,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            t,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            i;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        for (name in attrs) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            attribute = attrs[name];
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            if ((attribute && attribute.transition === anim)) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                d = attribute.duration;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                delay = attribute.delay;
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson                elapsed = time / 1000;
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson                t = time;
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson                setter = (i in customAttr && 'set' in customAttr[i]) ?
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson                        customAttr[i].set : Transition.DEFAULT_SETTER;
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson                done = (t >= d);
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson                if (t > d) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    t = d;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                if (!delay || time >= delay) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    setter(anim, name, attribute.from, attribute.to, t - delay, d - delay,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        attribute.easing, attribute.unit);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    if (done) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        delete attrs[name];
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        anim._count--;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        if (!allDone && anim._count <= 0) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                            allDone = true;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                            anim._end();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                            if (callback) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                                anim._callback = null;
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson                                setTimeout(function() { // IE: allow previous update to finish
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                                    callback.call(node, {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                                        elapsedTime: (time - delay) / 1000
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                                    });
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                                }, 1);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                            }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                }
9b6a170d22d61026d31bde87523f3320628b6ebcBrian Wellington
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson    _initAttrs: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        var anim = this,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            customAttr = Transition.behaviors,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            uid = Y.stamp(this._node),
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            attrs = Transition._nodeAttrs[uid],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            attribute,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            duration,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            delay,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            easing,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            val,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            name,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            unit, begin, end;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        for (name in attrs) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            attribute = attrs[name];
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            if (attrs.hasOwnProperty(name) && (attribute && attribute.transition === anim)) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                duration = attribute.duration * 1000;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                delay = attribute.delay * 1000;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                easing = attribute.easing;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                val = attribute.value;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                begin = (name in customAttr && 'get' in customAttr[name])  ?
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        customAttr[name].get(anim, name) : Transition.DEFAULT_GETTER(anim, name);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                var mFrom = Transition.RE_UNITS.exec(begin);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                var mTo = Transition.RE_UNITS.exec(val);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                begin = mFrom ? mFrom[1] : begin;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                end = mTo ? mTo[1] : val;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                unit = mTo ? mTo[2] : mFrom ?  mFrom[2] : ''; // one might be zero TODO: mixed units
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                if (!unit && Transition.RE_DEFAULT_UNIT.test(name)) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    unit = Transition.DEFAULT_UNIT;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                if (!begin || !end) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    Y.log('invalid "from" or "to" for "' + name + '"', 'error', 'transition');
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    return;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                if (typeof easing === 'string') {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    if (easing.indexOf('cubic-bezier') > -1) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        easing = easing.substring(13, easing.length - 1).split(',');
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    } else if (Transition.easings[easing]) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                        easing = Transition.easings[easing];
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                    }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                attribute.from = begin;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                attribute.to = end;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                attribute.unit = unit;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                attribute.easing = easing;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                attribute.duration = duration;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                attribute.delay = delay;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            }
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    destroy: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        this.detachAll();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        this._node = null;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley}, true);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob HalleyY.mix(Y.Transition, {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _runtimeAttrs: {},
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    /**
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * Regex of properties that should use the default unit.
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     *
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @property RE_DEFAULT_UNIT
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @static
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     */
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    RE_DEFAULT_UNIT: /^width|height|top|right|bottom|left|margin.*|padding.*|border.*$/i,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    /**
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * The default unit to use with properties that pass the RE_DEFAULT_UNIT test.
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     *
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @property DEFAULT_UNIT
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @static
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     */
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    DEFAULT_UNIT: 'px',
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    /**
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * Time in milliseconds passed to setInterval for frame processing
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     *
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @property intervalTime
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @default 20
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     * @static
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     */
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson    intervalTime: 20,
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson    /**
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     * Bucket for custom getters and setters
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     *
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     * @property behaviors
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     * @static
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     */
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson    behaviors: {
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson        left: {
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson            get: function(anim, attr) {
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson                return Y.DOM._getAttrOffset(anim._node._node, attr);
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson            }
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson        }
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson    },
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson    /**
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     * The default setter to use when setting object properties.
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     *
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     * @property DEFAULT_SETTER
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     * @static
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson     */
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson    DEFAULT_SETTER: function(anim, att, from, to, elapsed, duration, fn, unit) {
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson        from = Number(from);
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson        to = Number(to);
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson        var node = anim._node,
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson            val = Transition.cubicBezier(fn, elapsed / duration);
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson        val = from + val[0] * (to - from);
33682c92e96b39c395cdb2c3feb8eb5914e7d5a8Andreas Gustafsson
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        if (att in node._node.style || att in Y.DOM.CUSTOM_STYLES) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            unit = unit || '';
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            node.setStyle(att, val + unit);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        } else if (node._node.attributes[att]) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            node.setAttribute(att, val);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        } else {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            node.set(att, val);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    /**
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * The default getter to use when getting object properties.
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     *
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @property DEFAULT_GETTER
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @static
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     */
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    DEFAULT_GETTER: function(anim, att) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        var node = anim._node,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            val = '';
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        if (att in node._node.style || att in Y.DOM.CUSTOM_STYLES) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            val = node.getComputedStyle(att);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        } else if (node._node.attributes[att]) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            val = node.getAttribute(att);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        } else {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            val = node.get(att);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        return val;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _startTimer: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        if (!Transition._timer) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            Transition._timer = setInterval(Transition._runFrame, Transition.intervalTime);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _stopTimer: function() {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        clearInterval(Transition._timer);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        Transition._timer = null;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    /**
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * Called per Interval to handle each animation frame.
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley     * @method _runFrame
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson     * @private
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson     * @static
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson     */
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson    _runFrame: function() {
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson        var done = true,
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson            anim;
841179549b6433e782c164a562eb3422f603533dAndreas Gustafsson        for (anim in Transition._running) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            if (Transition._running[anim]._runFrame) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                done = false;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley                Transition._running[anim]._runFrame();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        if (done) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            Transition._stopTimer();
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        }
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    cubicBezier: function(p, t) {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        var x0 = 0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            y0 = 0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            x1 = p[0],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            y1 = p[1],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            x2 = p[2],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            y2 = p[3],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            x3 = 1,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            y3 = 0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            A = x3 - 3 * x2 + 3 * x1 - x0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            B = 3 * x2 - 6 * x1 + 3 * x0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            C = 3 * x1 - 3 * x0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            D = x0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            E = y3 - 3 * y2 + 3 * y1 - y0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            F = 3 * y2 - 6 * y1 + 3 * y0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            G = 3 * y1 - 3 * y0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            H = y0,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            x = (((A*t) + B)*t + C)*t + D,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley            y = (((E*t) + F)*t + G)*t + H;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        return [x, y];
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    easings: {
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        ease: [0.25, 0, 1, 0.25],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        linear: [0, 0, 1, 1],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        'ease-in': [0.42, 0, 1, 1],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        'ease-out': [0, 0, 0.58, 1],
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley        'ease-in-out': [0.42, 0, 0.58, 1]
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    },
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _running: {},
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    _timer: null,
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley    RE_UNITS: /^(-?\d*\.?\d*){1}(em|ex|px|in|cm|mm|pt|pc|%)*$/
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley}, true);
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob HalleyTransition.behaviors.top = Transition.behaviors.bottom = Transition.behaviors.right = Transition.behaviors.left;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob HalleyY.Transition = Transition;
4610465ed9408cbe434dbfb8be8ea53f48969c91Bob Halley