b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
/* global BaseModule */
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'use strict';
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(function() {
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var GaiaScheduler = function() {
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};
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GaiaScheduler.SERVICES = [
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'schedule'
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];
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BaseModule.create(GaiaScheduler, {
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name: 'GaiaScheduler',
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DEBUG: false,
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_start: function() {
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this._queue = [];
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this.hold(); // Hold on start until the parent tells us to release.
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},
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hold: function() {
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this._busyState = true;
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},
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release: function() {
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if (this._busyState) {
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document.body.setAttribute('ready-state', 'visuallyLoaded');
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window.performance.mark('visuallyLoaded');
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}
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this._busyState = false;
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if (this._queue.length) {
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this.execute();
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}
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},
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execute: function() {
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var length = this._queue.length;
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this.debug('process operations in the schedule pool: ' + length);
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this._queue.forEach(function(operation) {
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operation.request();
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operation.resolve();
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});
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this._queue = [];
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},
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schedule: function(request) {
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return new Promise((resolve) => {
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if (this._busyState) {
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this.debug('busy loading, put the operation in the pool.');
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this._queue.push({
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resolve: resolve,
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request: request
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});
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} else {
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this.debug('not blocking, execute right away');
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request();
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resolve();
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}
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});
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}
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});
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}());
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