47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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'use strict';
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function MessageHandler(name, comObj) {
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this.name = name;
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this.comObj = comObj;
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var ah = this.actionHandler = {};
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ah['console_log'] = [function(data) {
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console.log.apply(console, data);
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}];
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ah['console_error'] = [function(data) {
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console.error.apply(console, data);
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}];
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comObj.onmessage = function(event) {
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var data = event.data;
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if (data.action in ah) {
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var action = ah[data.action];
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action[0].call(action[1], data.data);
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} else {
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throw 'Unkown action from worker: ' + data.action;
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}
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};
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}
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MessageHandler.prototype = {
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on: function(actionName, handler, scope) {
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var ah = this.actionHandler;
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if (ah[actionName]) {
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throw "There is already an actionName called '" + actionName + "'";
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}
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ah[actionName] = [handler, scope];
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},
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send: function(actionName, data) {
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this.comObj.postMessage({
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action: actionName,
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data: data
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});
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}
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};
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