transition/js/transition-native.js

	transition-native.js revision 416ff6e8477a5950c56e04adea6abf838140a852
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington/**
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington* Provides the transition method for Node.
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington* Transition has no API of its own, but adds the transition method to Node.
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington*
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington* @module transition
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington* @requires node-style
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington*/
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellingtonvar CAMEL_VENDOR_PREFIX = '',
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    VENDOR_PREFIX = '',
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    DOCUMENT = Y.config.doc,
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    DOCUMENT_ELEMENT = 'documentElement',
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    TRANSITION = 'transition',
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    TRANSITION_CAMEL = 'Transition',
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    TRANSITION_PROPERTY_CAMEL,
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    TRANSITION_PROPERTY,
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    TRANSITION_DURATION,
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington    TRANSITION_TIMING_FUNCTION,
99776003811a413457a2c35a808ad860df877d24Mark Andrews    TRANSITION_DELAY,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    TRANSITION_END,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    ON_TRANSITION_END,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    TRANSFORM_CAMEL,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    EMPTY_OBJ = {},
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    VENDORS = [
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        'Webkit',
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        'Moz'
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    ],
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    VENDOR_TRANSITION_END = {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        Webkit: 'webkitTransitionEnd'
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington/**
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington * A class for constructing transition instances.
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington * Adds the "transition" method to Node.
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington * @class Transition
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington * @constructor
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington */
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition = function() {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    this.init.apply(this, arguments);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition._toCamel = function(property) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    property = property.replace(/-([a-z])/gi, function(m0, m1) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        return m1.toUpperCase();
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    });
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    return property;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.SHOW_TRANSITION = 'fadeIn';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.HIDE_TRANSITION = 'fadeOut';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition._toHyphen = function(property) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    property = property.replace(/([A-Z]?)([a-z]+)([A-Z]?)/g, function(m0, m1, m2, m3) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        var str = ((m1) ? '-' + m1.toLowerCase() : '') + m2;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (m3) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            str += '-' + m3.toLowerCase();
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        return str;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    });
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    return property;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.useNative = false;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonY.Array.each(VENDORS, function(val) { // then vendor specific
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    var property = val + TRANSITION_CAMEL;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    if (property in DOCUMENT[DOCUMENT_ELEMENT].style) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        CAMEL_VENDOR_PREFIX = val;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        VENDOR_PREFIX = Transition._toHyphen(val) + '-';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        Transition.useNative = true;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        Transition.supported = true; // TODO: remove
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington});
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_CAMEL = CAMEL_VENDOR_PREFIX + TRANSITION_CAMEL;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_PROPERTY_CAMEL = CAMEL_VENDOR_PREFIX + 'TransitionProperty';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_PROPERTY = VENDOR_PREFIX + 'transition-property';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_DURATION = VENDOR_PREFIX + 'transition-duration';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_TIMING_FUNCTION = VENDOR_PREFIX + 'transition-timing-function';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_DELAY = VENDOR_PREFIX + 'transition-delay';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_END = 'transitionend';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonON_TRANSITION_END = 'on' + CAMEL_VENDOR_PREFIX.toLowerCase() + 'transitionend';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSITION_END = VENDOR_TRANSITION_END[CAMEL_VENDOR_PREFIX] || TRANSITION_END;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTRANSFORM_CAMEL = CAMEL_VENDOR_PREFIX + 'Transform';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.fx = {};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.toggles = {};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition._hasEnd = {};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition._reKeywords = /^(?:node|duration|iterations|easing|delay|on|onstart|onend)$/i;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonY.Node.DOM_EVENTS[TRANSITION_END] = 1;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.NAME = 'transition';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.DEFAULT_EASING = 'ease';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.DEFAULT_DURATION = 0.5;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.DEFAULT_DELAY = 0;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition._nodeAttrs = {};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian WellingtonTransition.prototype = {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    constructor: Transition,
99776003811a413457a2c35a808ad860df877d24Mark Andrews    init: function(node, config) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        var anim = this;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        anim._node = node;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (!anim._running && config) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._config = config;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            node._transition = anim; // cache for reuse
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._duration = ('duration' in config) ?
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                config.duration: anim.constructor.DEFAULT_DURATION;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._delay = ('delay' in config) ?
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                config.delay: anim.constructor.DEFAULT_DELAY;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._easing = config.easing || anim.constructor.DEFAULT_EASING;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._count = 0; // track number of animated properties
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._running = false;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        return anim;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    addProperty: function(prop, config) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        var anim = this,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            node = this._node,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            uid = Y.stamp(node),
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            nodeInstance = Y.one(node),
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            attrs = Transition._nodeAttrs[uid],
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            computed,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            compareVal,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            dur,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            attr,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            val;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (!attrs) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            attrs = Transition._nodeAttrs[uid] = {};
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        attr = attrs[prop];
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        // might just be a value
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (config && config.value !== undefined) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            val = config.value;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        } else if (config !== undefined) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            val = config;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            config = EMPTY_OBJ;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (typeof val === 'function') {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            val = val.call(nodeInstance, nodeInstance);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (attr && attr.transition) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            // take control if another transition owns this property
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            if (attr.transition !== anim) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                attr.transition._count--; // remapping attr to this transition
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        anim._count++; // properties per transition
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        // make 0 async and fire events
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        dur = ((typeof config.duration != 'undefined') ? config.duration :
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    anim._duration) || 0.0001;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        attrs[prop] = {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            value: val,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            duration: dur,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            delay: (typeof config.delay != 'undefined') ? config.delay :
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    anim._delay,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            easing: config.easing || anim._easing,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            transition: anim
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        };
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        // native end event doesnt fire when setting to same value
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        // supplementing with timer
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        // val may be a string or number (height: 0, etc), but computedStyle is always string
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        computed = Y.DOM.getComputedStyle(node, prop);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        compareVal = (typeof val === 'string') ? computed : parseFloat(computed);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (Transition.useNative && compareVal === val) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            setTimeout(function() {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                anim._onNativeEnd.call(node, {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    propertyName: prop,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    elapsedTime: dur
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                });
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            }, dur * 1000);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    removeProperty: function(prop) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        var anim = this,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            attrs = Transition._nodeAttrs[Y.stamp(anim._node)];
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (attrs && attrs[prop]) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            delete attrs[prop];
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._count--;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    initAttrs: function(config) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        var attr,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            node = this._node;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (config.transform && !config[TRANSFORM_CAMEL]) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            config[TRANSFORM_CAMEL] = config.transform;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            delete config.transform; // TODO: copy
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        for (attr in config) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            if (config.hasOwnProperty(attr) && !Transition._reKeywords.test(attr)) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                this.addProperty(attr, config[attr]);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                // when size is auto or % webkit starts from zero instead of computed
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                // (https://bugs.webkit.org/show_bug.cgi?id=16020)
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                // TODO: selective set
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                if (node.style[attr] === '') {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    Y.DOM.setStyle(node, attr, Y.DOM.getComputedStyle(node, attr));
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    /**
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington     * Starts or an animation.
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington     * @method run
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington     * @chainable
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington     * @private
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington     */
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    run: function(callback) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        var anim = this,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            node = anim._node,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            config = anim._config,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            data = {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                type: 'transition:start',
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                config: config
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            };
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (!anim._running) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._running = true;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            //anim._node.fire('transition:start', data);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            if (config.on && config.on.start) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                config.on.start.call(Y.one(node), data);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim.initAttrs(anim._config);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._callback = callback;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            anim._start();
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        return anim;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    _start: function() {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        this._runNative();
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    _prepDur: function(dur) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        dur = parseFloat(dur);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        return dur + 's';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    },
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington    _runNative: function(time) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        var anim = this,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            node = anim._node,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            uid = Y.stamp(node),
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            style = node.style,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            computed = getComputedStyle(node),
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            attrs = Transition._nodeAttrs[uid],
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            cssText = '',
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            cssTransition = computed[Transition._toCamel(TRANSITION_PROPERTY)],
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            transitionText = TRANSITION_PROPERTY + ': ',
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            duration = TRANSITION_DURATION + ': ',
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            easing = TRANSITION_TIMING_FUNCTION + ': ',
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            delay = TRANSITION_DELAY + ': ',
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            hyphy,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            attr,
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            name;
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        // preserve existing transitions
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        if (cssTransition !== 'all') {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            transitionText += cssTransition + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            duration += computed[Transition._toCamel(TRANSITION_DURATION)] + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            easing += computed[Transition._toCamel(TRANSITION_TIMING_FUNCTION)] + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            delay += computed[Transition._toCamel(TRANSITION_DELAY)] + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        }
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        // run transitions mapped to this instance
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington        for (name in attrs) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            hyphy = Transition._toHyphen(name);
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            attr = attrs[name];
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington            if ((attr = attrs[name]) && attr.transition === anim) {
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                if (name in node.style) { // only native styles allowed
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    duration += anim._prepDur(attr.duration) + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    delay += anim._prepDur(attr.delay) + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    easing += (attr.easing) + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    transitionText += hyphy + ',';
0b062f4990db5cc6db2fe3398926f71b92a67407Brian Wellington                    cssText += hyphy + ': ' + attr.value + '; ';
                } else {
                    this.removeProperty(name);
                }
            }
        }

        transitionText = transitionText.replace(/,$/, ';');
        duration = duration.replace(/,$/, ';');
        easing = easing.replace(/,$/, ';');
        delay = delay.replace(/,$/, ';');

        // only one native end event per node
        if (!Transition._hasEnd[uid]) {
            //anim._detach = Y.on(TRANSITION_END, anim._onNativeEnd, node);
            //node[ON_TRANSITION_END] = anim._onNativeEnd;
            node.addEventListener(TRANSITION_END, anim._onNativeEnd, '');
            Transition._hasEnd[uid] = true;

        }

        //setTimeout(function() { // allow updates to apply (size fix, onstart, etc)
            style.cssText += transitionText + duration + easing + delay + cssText;
        //}, 1);

    },

    _end: function(elapsed) {
        var anim = this,
            node = anim._node,
            callback = anim._callback,
            config = anim._config,
            data = {
                type: 'transition:end',
                config: config,
                elapsedTime: elapsed
            },

            nodeInstance = Y.one(node);

        anim._running = false;
        anim._callback = null;

        if (node) {
            if (config.on && config.on.end) {
                setTimeout(function() { // IE: allow previous update to finish
                    config.on.end.call(nodeInstance, data);

                    // nested to ensure proper fire order
                    if (callback) {
                        callback.call(nodeInstance, data);
                    }

                }, 1);
            } else if (callback) {
                setTimeout(function() { // IE: allow previous update to finish
                    callback.call(nodeInstance, data);
                }, 1);
            }
            //node.fire('transition:end', data);
        }

    },

    _endNative: function(name) {
        var node = this._node,
            value = node.ownerDocument.defaultView.getComputedStyle(node, '')[Transition._toCamel(TRANSITION_PROPERTY)];

        if (typeof value === 'string') {
            value = value.replace(new RegExp('(?:^|,\\s)' + name + ',?'), ',');
            value = value.replace(/^,|,$/, '');
            node.style[TRANSITION_CAMEL] = value;
        }
    },

    _onNativeEnd: function(e) {
        var node = this,
            uid = Y.stamp(node),
            event = e,//e._event,
            name = Transition._toCamel(event.propertyName),
            elapsed = event.elapsedTime,
            attrs = Transition._nodeAttrs[uid],
            attr = attrs[name],
            anim = (attr) ? attr.transition : null,
            data,
            config;

        if (anim) {
            anim.removeProperty(name);
            anim._endNative(name);
            config = anim._config[name];

            data = {
                type: 'propertyEnd',
                propertyName: name,
                elapsedTime: elapsed,
                config: config
            };

            if (config && config.on && config.on.end) {
                config.on.end.call(Y.one(node), data);
            }

            //node.fire('transition:propertyEnd', data);

            if (anim._count <= 0)  { // after propertyEnd fires
                anim._end(elapsed);
            }
        }
    },

    destroy: function() {
        var anim = this,
            node = anim._node;
        /*
        if (anim._detach) {
            anim._detach.detach();
        }
        */
        //anim._node[ON_TRANSITION_END] = null;
        if (node) {
            node.removeEventListener(TRANSITION_END, anim._onNativeEnd, false);
            anim._node = null;
        }
    }
};

Y.Transition = Transition;
Y.TransitionNative = Transition; // TODO: remove

/**
 *   Animate one or more css properties to a given value. Requires the "transition" module.
 *   <pre>example usage:
 *       Y.one('#demo').transition({
 *           duration: 1, // in seconds, default is 0.5
 *           easing: 'ease-out', // default is 'ease'
 *           delay: '1', // delay start for 1 second, default is 0
 *
 *           height: '10px',
 *           width: '10px',
 *
 *           opacity: { // per property
 *               value: 0,
 *               duration: 2,
 *               delay: 2,
 *               easing: 'ease-in'
 *           }
 *       });
 *   </pre>
 *   @for Node
 *   @method transition
 *   @param {Object} config An object containing one or more style properties, a duration and an easing.
 *   @param {Function} callback A function to run after the transition has completed.
 *   @chainable
*/
Y.Node.prototype.transition = function(name, config, callback) {
    var
        transitionAttrs = Transition._nodeAttrs[Y.stamp(this._node)],
        anim = (transitionAttrs) ? transitionAttrs.transition || null : null,
        fxConfig,
        prop;

    if (typeof name === 'string') { // named effect, pull config from registry
        if (typeof config === 'function') {
            callback = config;
            config = null;
        }

        fxConfig = Transition.fx[name];

        if (config && typeof config !== 'boolean') {
            config = Y.clone(config);

            for (prop in fxConfig) {
                if (fxConfig.hasOwnProperty(prop)) {
                    if (! (prop in config)) {
                        config[prop] = fxConfig[prop];
                    }
                }
            }
        } else {
            config = fxConfig;
        }

    } else { // name is a config, config is a callback or undefined
        callback = config;
        config = name;
    }

    if (anim && !anim._running) {
        anim.init(this, config);
    } else {
        anim = new Transition(this._node, config);
    }

    anim.run(callback);
    return this;
};

Y.Node.prototype.show = function(name, config, callback) {
    this._show(); // show prior to transition
    if (name && Y.Transition) {
        if (typeof name !== 'string' && !name.push) { // named effect or array of effects supercedes default
            if (typeof config === 'function') {
                callback = config;
                config = name;
            }
            name = Transition.SHOW_TRANSITION;
        }
        this.transition(name, config, callback);
    }
    else if (name && !Y.Transition) { Y.log('unable to transition show; missing transition module', 'warn', 'node'); }
    return this;
};

var _wrapCallBack = function(anim, fn, callback) {
    return function() {
        if (fn) {
            fn.call(anim);
        }
        if (callback) {
            callback.apply(anim._node, arguments);
        }
    };
};

Y.Node.prototype.hide = function(name, config, callback) {
    if (name && Y.Transition) {
        if (typeof config === 'function') {
            callback = config;
            config = null;
        }

        callback = _wrapCallBack(this, this._hide, callback); // wrap with existing callback
        if (typeof name !== 'string' && !name.push) { // named effect or array of effects supercedes default
            if (typeof config === 'function') {
                callback = config;
                config = name;
            }
            name = Transition.HIDE_TRANSITION;
        }
        this.transition(name, config, callback);
    } else if (name && !Y.Transition) { Y.log('unable to transition hide; missing transition module', 'warn', 'node'); // end if on nex
    } else {
        this._hide();
    }
    return this;
};

/**
 *   Animate one or more css properties to a given value. Requires the "transition" module.
 *   <pre>example usage:
 *       Y.all('.demo').transition({
 *           duration: 1, // in seconds, default is 0.5
 *           easing: 'ease-out', // default is 'ease'
 *           delay: '1', // delay start for 1 second, default is 0
 *
 *           height: '10px',
 *           width: '10px',
 *
 *           opacity: { // per property
 *               value: 0,
 *               duration: 2,
 *               delay: 2,
 *               easing: 'ease-in'
 *           }
 *       });
 *   </pre>
 *   @for NodeList
 *   @method transition
 *   @param {Object} config An object containing one or more style properties, a duration and an easing.
 *   @param {Function} callback A function to run after the transition has completed. The callback fires
 *       once per item in the NodeList.
 *   @chainable
*/
Y.NodeList.prototype.transition = function(config, callback) {
    var nodes = this._nodes,
        i = 0,
        node;

    while ((node = nodes[i++])) {
        Y.one(node).transition(config, callback);
    }

    return this;
};

Y.Node.prototype.toggleView = function(name, on, callback) {
    this._toggles = this._toggles || [];
    callback = arguments[arguments.length - 1];

    if (typeof name == 'boolean') { // no transition, just toggle
        on = name;
        name = null;
    }

    name = name || Y.Transition.DEFAULT_TOGGLE;

    if (typeof on == 'undefined' && name in this._toggles) { // reverse current toggle
        on = ! this._toggles[name];
    }

    on = (on) ? 1 : 0;
    if (on) {
        this._show();
    }  else {
        callback = _wrapCallBack(this, this._hide, callback);
    }

    this._toggles[name] = on;
    this.transition(Y.Transition.toggles[name][on], callback);

    return this;
};

Y.NodeList.prototype.toggleView = function(name, on, callback) {
    var nodes = this._nodes,
        i = 0,
        node;

    while ((node = nodes[i++])) {
        Y.one(node).toggleView(name, on, callback);
    }

    return this;
};

Y.mix(Transition.fx, {
    fadeOut: {
        opacity: 0,
        duration: 0.5,
        easing: 'ease-out'
    },

    fadeIn: {
        opacity: 1,
        duration: 0.5,
        easing: 'ease-in'
    },

    sizeOut: {
        height: 0,
        width: 0,
        duration: 0.75,
        easing: 'ease-out'
    },

    sizeIn: {
        height: function(node) {
            return node.get('scrollHeight') + 'px';
        },
        width: function(node) {
            return node.get('scrollWidth') + 'px';
        },
        duration: 0.5,
        easing: 'ease-in',

        on: {
            start: function() {
                var overflow = this.getStyle('overflow');
                if (overflow !== 'hidden') { // enable scrollHeight/Width
                    this.setStyle('overflow', 'hidden');
                    this._transitionOverflow = overflow;
                }
            },

            end: function() {
                if (this._transitionOverflow) { // revert overridden value
                    this.setStyle('overflow', this._transitionOverflow);
                    delete this._transitionOverflow;
                }
            }
        }
    }
});

Y.mix(Transition.toggles, {
    size: ['sizeOut', 'sizeIn'],
    fade: ['fadeOut', 'fadeIn']
});

Transition.DEFAULT_TOGGLE = 'fade';