define(function(require) {
var zrUtil = require('zrender/core/util');
/**
* @param {number} [time=500] Time in ms
* @param {string} [easing='linear']
* @param {number} [delay=0]
* @param {Function} [callback]
*
* @example
* // Animate position
* animation
* .createWrap()
* .add(el1, {position: [10, 10]})
* .add(el2, {shape: {width: 500}, style: {fill: 'red'}}, 400)
* .done(function () { // done })
* .start('cubicOut');
*/
function createWrap() {
var storage = [];
var elExistsMap = {};
var doneCallback;
return {
/**
* Caution: a el can only be added once, otherwise 'done'
* might not be called. This method checks this (by el.id),
* suppresses adding and returns false when existing el found.
*
* @param {modele:zrender/Element} el
* @param {Object} target
* @param {number} [time=500]
* @param {number} [delay=0]
* @param {string} [easing='linear']
* @return {boolean} Whether adding succeeded.
*
* @example
* add(el, target, time, delay, easing);
* add(el, target, time, easing);
* add(el, target, time);
* add(el, target);
*/
add: function (el, target, time, delay, easing) {
if (zrUtil.isString(delay)) {
easing = delay;
delay = 0;
}
if (elExistsMap[el.id]) {
return false;
}
elExistsMap[el.id] = 1;
storage.push(
{el: el, target: target, time: time, delay: delay, easing: easing}
);
return true;
},
/**
* Only execute when animation finished. Will not execute when any
* of 'stop' or 'stopAnimation' called.
*
* @param {Function} callback
*/
done: function (callback) {
doneCallback = callback;
return this;
},
/**
* Will stop exist animation firstly.
*/
start: function () {
var count = storage.length;
for (var i = 0, len = storage.length; i < len; i++) {
var item = storage[i];
item.el.animateTo(item.target, item.time, item.delay, item.easing, done);
}
return this;
function done() {
count--;
if (!count) {
storage.length = 0;
elExistsMap = {};
doneCallback && doneCallback();
}
}
}
};
}
return {createWrap: createWrap};
});
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