26 lines
682 B
JavaScript
26 lines
682 B
JavaScript
"use strict"
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var coreRenderer = require("../render/render")
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module.exports = function($window) {
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var renderService = coreRenderer($window)
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renderService.setEventCallback(function(e) {
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if (e.redraw !== false) redraw()
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})
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var callbacks = []
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function subscribe(key, callback) {
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unsubscribe(key)
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callbacks.push(key, callback)
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}
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function unsubscribe(key) {
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var index = callbacks.indexOf(key)
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if (index > -1) callbacks.splice(index, 2)
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}
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function redraw() {
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for (var i = 1; i < callbacks.length; i += 2) {
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callbacks[i]()
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}
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}
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return {subscribe: subscribe, unsubscribe: unsubscribe, redraw: redraw, render: renderService.render}
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}
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