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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | 84x 84x 84x 84x 84x 5x 1076627x 1065502x 11125x 11125x 9x 11116x 572x 10544x 11125x | // @ts-check
import { parseDomCallback } from './parser';
import { defaultTo } from './utils';
/**
* @brief filter class
* @details used to handle onvalue attributes or properties and filter target
* values.
*/
class SSVGFilter {
/**
* @param {Element} element [description]
*/
constructor(element) {
this.element = element;
/** @type {any} */
this._value = undefined;
/** @type {any} */
this._result = undefined;
const attr = this.element.getAttribute('onupdate');
if (attr) {
this._onupdate = parseDomCallback(attr, [ '$value', '$unit' ],
defaultTo(element.ownerDocument, document).defaultView || undefined);
}
}
/**
* @param {ssvg.$Value} value
* @param {string} [unit]
* @return {string|number}
*/
filter(value, unit) {
if (value === this._value) {
return this._result;
}
this._value = value;
// @ts-ignore: added to the DOM
if (this.element.onupdate) {
// @ts-ignore: added to the DOM
this._result = this.element.onupdate(value, unit);
}
else if (this._onupdate) {
this._result = this._onupdate.call(this.element, value, unit);
}
else {
this._result = (unit) ? (value + unit) : value;
}
return this._result;
}
}
export default SSVGFilter;
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