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Refactor to execute IR on main thead by posting messages to itself

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This commit is contained in:
Julian Viereck 2011-09-07 10:16:02 -07:00
parent a3baea5fcb
commit ac4a57e858
6 changed files with 157 additions and 112 deletions
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38
worker/message_handler.js
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@ -4,29 +4,41 @@
'use strict';
function MessageHandler(name, actionHandler, comObj, scope) {
function MessageHandler(name, comObj) {
this.name = name;
this.comObj = comObj;
var ah = this.actionHandler = {};
actionHandler["console_log"] = function(data) {
ah["console_log"] = [function(data) {
console.log.apply(console, data);
}
actionHandler["console_error"] = function(data) {
}]
ah["console_error"] = [function(data) {
console.error.apply(console, data);
}
}]
comObj.onmessage = function(event) {
var data = event.data;
if (data.action in actionHandler) {
actionHandler[data.action].call(scope, data.data);
if (data.action in ah) {
var action = ah[data.action];
action[0].call(action[1], data.data);
} else {
throw 'Unkown action from worker: ' + data.action;
}
};
this.send = function(actionName, data) {
}
MessageHandler.prototype = {
on: function(actionName, handler, scope) {
var ah = this.actionHandler;
if (ah[actionName]) {
throw "There is already an actionName called '" + actionName + "'";
}
ah[actionName] = [handler, scope];
},
send: function(actionName, data) {
try {
comObj.postMessage({
this.comObj.postMessage({
action: actionName,
data: data
});
@ -35,4 +47,6 @@ function MessageHandler(name, actionHandler, comObj, scope) {
throw e;
}
}
}
}