3 Copyright 2012 Yahoo! Inc. All rights reserved.
4 Licensed under the BSD License.
5 http://yuilibrary.com/license/
7 YUI.add('transition-native', function(Y) {
10 * Provides the transition method for Node.
11 * Transition has no API of its own, but adds the transition method to Node.
14 * @requires node-style
17 var CAMEL_VENDOR_PREFIX = '',
19 DOCUMENT = Y.config.doc,
20 DOCUMENT_ELEMENT = 'documentElement',
21 TRANSITION = 'transition',
22 TRANSITION_CAMEL = 'Transition',
23 TRANSITION_PROPERTY_CAMEL,
26 TRANSITION_TIMING_FUNCTION,
39 VENDOR_TRANSITION_END = {
40 Webkit: 'webkitTransitionEnd'
44 * A class for constructing transition instances.
45 * Adds the "transition" method to Node.
50 Transition = function() {
51 this.init.apply(this, arguments);
54 Transition._toCamel = function(property) {
55 property = property.replace(/-([a-z])/gi, function(m0, m1) {
56 return m1.toUpperCase();
62 Transition._toHyphen = function(property) {
63 property = property.replace(/([A-Z]?)([a-z]+)([A-Z]?)/g, function(m0, m1, m2, m3) {
64 var str = ((m1) ? '-' + m1.toLowerCase() : '') + m2;
67 str += '-' + m3.toLowerCase();
76 Transition.SHOW_TRANSITION = 'fadeIn';
77 Transition.HIDE_TRANSITION = 'fadeOut';
79 Transition.useNative = false;
81 Y.Array.each(VENDORS, function(val) { // then vendor specific
82 var property = val + TRANSITION_CAMEL;
83 if (property in DOCUMENT[DOCUMENT_ELEMENT].style) {
84 CAMEL_VENDOR_PREFIX = val;
85 VENDOR_PREFIX = Transition._toHyphen(val) + '-';
87 Transition.useNative = true;
88 Transition.supported = true; // TODO: remove
92 TRANSITION_CAMEL = CAMEL_VENDOR_PREFIX + TRANSITION_CAMEL;
93 TRANSITION_PROPERTY_CAMEL = CAMEL_VENDOR_PREFIX + 'TransitionProperty';
94 TRANSITION_PROPERTY = VENDOR_PREFIX + 'transition-property';
95 TRANSITION_DURATION = VENDOR_PREFIX + 'transition-duration';
96 TRANSITION_TIMING_FUNCTION = VENDOR_PREFIX + 'transition-timing-function';
97 TRANSITION_DELAY = VENDOR_PREFIX + 'transition-delay';
98 TRANSITION_END = 'transitionend';
99 ON_TRANSITION_END = 'on' + CAMEL_VENDOR_PREFIX.toLowerCase() + 'transitionend';
101 TRANSITION_END = VENDOR_TRANSITION_END[CAMEL_VENDOR_PREFIX] || TRANSITION_END;
103 TRANSFORM_CAMEL = CAMEL_VENDOR_PREFIX + 'Transform';
106 Transition.toggles = {};
108 Transition._hasEnd = {};
110 Transition._reKeywords = /^(?:node|duration|iterations|easing|delay|on|onstart|onend)$/i;
112 Y.Node.DOM_EVENTS[TRANSITION_END] = 1;
114 Transition.NAME = 'transition';
116 Transition.DEFAULT_EASING = 'ease';
117 Transition.DEFAULT_DURATION = 0.5;
118 Transition.DEFAULT_DELAY = 0;
120 Transition._nodeAttrs = {};
122 Transition.prototype = {
123 constructor: Transition,
124 init: function(node, config) {
127 if (!anim._running && config) {
128 anim._config = config;
129 node._transition = anim; // cache for reuse
131 anim._duration = ('duration' in config) ?
132 config.duration: anim.constructor.DEFAULT_DURATION;
134 anim._delay = ('delay' in config) ?
135 config.delay: anim.constructor.DEFAULT_DELAY;
137 anim._easing = config.easing || anim.constructor.DEFAULT_EASING;
138 anim._count = 0; // track number of animated properties
139 anim._running = false;
146 addProperty: function(prop, config) {
150 nodeInstance = Y.one(node),
151 attrs = Transition._nodeAttrs[uid],
159 attrs = Transition._nodeAttrs[uid] = {};
164 // might just be a value
165 if (config && config.value !== undefined) {
167 } else if (config !== undefined) {
172 if (typeof val === 'function') {
173 val = val.call(nodeInstance, nodeInstance);
176 if (attr && attr.transition) {
177 // take control if another transition owns this property
178 if (attr.transition !== anim) {
179 attr.transition._count--; // remapping attr to this transition
183 anim._count++; // properties per transition
185 // make 0 async and fire events
186 dur = ((typeof config.duration != 'undefined') ? config.duration :
187 anim._duration) || 0.0001;
192 delay: (typeof config.delay != 'undefined') ? config.delay :
195 easing: config.easing || anim._easing,
200 // native end event doesnt fire when setting to same value
201 // supplementing with timer
202 // val may be a string or number (height: 0, etc), but computedStyle is always string
203 computed = Y.DOM.getComputedStyle(node, prop);
204 compareVal = (typeof val === 'string') ? computed : parseFloat(computed);
206 if (Transition.useNative && compareVal === val) {
207 setTimeout(function() {
208 anim._onNativeEnd.call(node, {
216 removeProperty: function(prop) {
218 attrs = Transition._nodeAttrs[Y.stamp(anim._node)];
220 if (attrs && attrs[prop]) {
227 initAttrs: function(config) {
231 if (config.transform && !config[TRANSFORM_CAMEL]) {
232 config[TRANSFORM_CAMEL] = config.transform;
233 delete config.transform; // TODO: copy
236 for (attr in config) {
237 if (config.hasOwnProperty(attr) && !Transition._reKeywords.test(attr)) {
238 this.addProperty(attr, config[attr]);
240 // when size is auto or % webkit starts from zero instead of computed
241 // (https://bugs.webkit.org/show_bug.cgi?id=16020)
242 // TODO: selective set
243 if (node.style[attr] === '') {
244 Y.DOM.setStyle(node, attr, Y.DOM.getComputedStyle(node, attr));
251 * Starts or an animation.
256 run: function(callback) {
259 config = anim._config,
261 type: 'transition:start',
266 if (!anim._running) {
267 anim._running = true;
269 //anim._node.fire('transition:start', data);
271 if (config.on && config.on.start) {
272 config.on.start.call(Y.one(node), data);
275 anim.initAttrs(anim._config);
277 anim._callback = callback;
289 _prepDur: function(dur) {
290 dur = parseFloat(dur);
295 _runNative: function(time) {
300 computed = getComputedStyle(node),
301 attrs = Transition._nodeAttrs[uid],
303 cssTransition = computed[Transition._toCamel(TRANSITION_PROPERTY)],
305 transitionText = TRANSITION_PROPERTY + ': ',
306 duration = TRANSITION_DURATION + ': ',
307 easing = TRANSITION_TIMING_FUNCTION + ': ',
308 delay = TRANSITION_DELAY + ': ',
313 // preserve existing transitions
314 if (cssTransition !== 'all') {
315 transitionText += cssTransition + ',';
316 duration += computed[Transition._toCamel(TRANSITION_DURATION)] + ',';
317 easing += computed[Transition._toCamel(TRANSITION_TIMING_FUNCTION)] + ',';
318 delay += computed[Transition._toCamel(TRANSITION_DELAY)] + ',';
322 // run transitions mapped to this instance
323 for (name in attrs) {
324 hyphy = Transition._toHyphen(name);
326 if ((attr = attrs[name]) && attr.transition === anim) {
327 if (name in node.style) { // only native styles allowed
328 duration += anim._prepDur(attr.duration) + ',';
329 delay += anim._prepDur(attr.delay) + ',';
330 easing += (attr.easing) + ',';
332 transitionText += hyphy + ',';
333 cssText += hyphy + ': ' + attr.value + '; ';
335 this.removeProperty(name);
340 transitionText = transitionText.replace(/,$/, ';');
341 duration = duration.replace(/,$/, ';');
342 easing = easing.replace(/,$/, ';');
343 delay = delay.replace(/,$/, ';');
345 // only one native end event per node
346 if (!Transition._hasEnd[uid]) {
347 //anim._detach = Y.on(TRANSITION_END, anim._onNativeEnd, node);
348 //node[ON_TRANSITION_END] = anim._onNativeEnd;
349 node.addEventListener(TRANSITION_END, anim._onNativeEnd, '');
350 Transition._hasEnd[uid] = true;
354 //setTimeout(function() { // allow updates to apply (size fix, onstart, etc)
355 style.cssText += transitionText + duration + easing + delay + cssText;
360 _end: function(elapsed) {
363 callback = anim._callback,
364 config = anim._config,
366 type: 'transition:end',
371 nodeInstance = Y.one(node);
373 anim._running = false;
374 anim._callback = null;
377 if (config.on && config.on.end) {
378 setTimeout(function() { // IE: allow previous update to finish
379 config.on.end.call(nodeInstance, data);
381 // nested to ensure proper fire order
383 callback.call(nodeInstance, data);
387 } else if (callback) {
388 setTimeout(function() { // IE: allow previous update to finish
389 callback.call(nodeInstance, data);
392 //node.fire('transition:end', data);
397 _endNative: function(name) {
398 var node = this._node,
399 value = node.ownerDocument.defaultView.getComputedStyle(node, '')[Transition._toCamel(TRANSITION_PROPERTY)];
401 if (typeof value === 'string') {
402 value = value.replace(new RegExp('(?:^|,\\s)' + name + ',?'), ',');
403 value = value.replace(/^,|,$/, '');
404 node.style[TRANSITION_CAMEL] = value;
408 _onNativeEnd: function(e) {
411 event = e,//e._event,
412 name = Transition._toCamel(event.propertyName),
413 elapsed = event.elapsedTime,
414 attrs = Transition._nodeAttrs[uid],
416 anim = (attr) ? attr.transition : null,
421 anim.removeProperty(name);
422 anim._endNative(name);
423 config = anim._config[name];
428 elapsedTime: elapsed,
432 if (config && config.on && config.on.end) {
433 config.on.end.call(Y.one(node), data);
436 //node.fire('transition:propertyEnd', data);
438 if (anim._count <= 0) { // after propertyEnd fires
444 destroy: function() {
449 anim._detach.detach();
452 //anim._node[ON_TRANSITION_END] = null;
454 node.removeEventListener(TRANSITION_END, anim._onNativeEnd, false);
460 Y.Transition = Transition;
461 Y.TransitionNative = Transition; // TODO: remove
464 * Animate one or more css properties to a given value. Requires the "transition" module.
465 * <pre>example usage:
466 * Y.one('#demo').transition({
467 * duration: 1, // in seconds, default is 0.5
468 * easing: 'ease-out', // default is 'ease'
469 * delay: '1', // delay start for 1 second, default is 0
474 * opacity: { // per property
484 * @param {Object} config An object containing one or more style properties, a duration and an easing.
485 * @param {Function} callback A function to run after the transition has completed.
488 Y.Node.prototype.transition = function(name, config, callback) {
490 transitionAttrs = Transition._nodeAttrs[Y.stamp(this._node)],
491 anim = (transitionAttrs) ? transitionAttrs.transition || null : null,
495 if (typeof name === 'string') { // named effect, pull config from registry
496 if (typeof config === 'function') {
501 fxConfig = Transition.fx[name];
503 if (config && typeof config !== 'boolean') {
504 config = Y.clone(config);
506 for (prop in fxConfig) {
507 if (fxConfig.hasOwnProperty(prop)) {
508 if (! (prop in config)) {
509 config[prop] = fxConfig[prop];
517 } else { // name is a config, config is a callback or undefined
522 if (anim && !anim._running) {
523 anim.init(this, config);
525 anim = new Transition(this._node, config);
532 Y.Node.prototype.show = function(name, config, callback) {
533 this._show(); // show prior to transition
534 if (name && Y.Transition) {
535 if (typeof name !== 'string' && !name.push) { // named effect or array of effects supercedes default
536 if (typeof config === 'function') {
540 name = Transition.SHOW_TRANSITION;
542 this.transition(name, config, callback);
547 var _wrapCallBack = function(anim, fn, callback) {
553 callback.apply(anim._node, arguments);
558 Y.Node.prototype.hide = function(name, config, callback) {
559 if (name && Y.Transition) {
560 if (typeof config === 'function') {
565 callback = _wrapCallBack(this, this._hide, callback); // wrap with existing callback
566 if (typeof name !== 'string' && !name.push) { // named effect or array of effects supercedes default
567 if (typeof config === 'function') {
571 name = Transition.HIDE_TRANSITION;
573 this.transition(name, config, callback);
581 * Animate one or more css properties to a given value. Requires the "transition" module.
582 * <pre>example usage:
583 * Y.all('.demo').transition({
584 * duration: 1, // in seconds, default is 0.5
585 * easing: 'ease-out', // default is 'ease'
586 * delay: '1', // delay start for 1 second, default is 0
591 * opacity: { // per property
601 * @param {Object} config An object containing one or more style properties, a duration and an easing.
602 * @param {Function} callback A function to run after the transition has completed. The callback fires
603 * once per item in the NodeList.
606 Y.NodeList.prototype.transition = function(config, callback) {
607 var nodes = this._nodes,
611 while ((node = nodes[i++])) {
612 Y.one(node).transition(config, callback);
618 Y.Node.prototype.toggleView = function(name, on, callback) {
619 this._toggles = this._toggles || [];
620 callback = arguments[arguments.length - 1];
622 if (typeof name == 'boolean') { // no transition, just toggle
627 name = name || Y.Transition.DEFAULT_TOGGLE;
629 if (typeof on == 'undefined' && name in this._toggles) { // reverse current toggle
630 on = ! this._toggles[name];
637 callback = _wrapCallBack(this, this._hide, callback);
640 this._toggles[name] = on;
641 this.transition(Y.Transition.toggles[name][on], callback);
646 Y.NodeList.prototype.toggleView = function(name, on, callback) {
647 var nodes = this._nodes,
651 while ((node = nodes[i++])) {
652 Y.one(node).toggleView(name, on, callback);
658 Y.mix(Transition.fx, {
679 height: function(node) {
680 return node.get('scrollHeight') + 'px';
682 width: function(node) {
683 return node.get('scrollWidth') + 'px';
690 var overflow = this.getStyle('overflow');
691 if (overflow !== 'hidden') { // enable scrollHeight/Width
692 this.setStyle('overflow', 'hidden');
693 this._transitionOverflow = overflow;
698 if (this._transitionOverflow) { // revert overridden value
699 this.setStyle('overflow', this._transitionOverflow);
700 delete this._transitionOverflow;
707 Y.mix(Transition.toggles, {
708 size: ['sizeOut', 'sizeIn'],
709 fade: ['fadeOut', 'fadeIn']
712 Transition.DEFAULT_TOGGLE = 'fade';
716 }, '3.5.0' ,{requires:['node-base']});