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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at http://mozilla.org/MPL/2.0/. */
var EXPORTED_SYMBOLS = ['addListener', 'addObject',
'removeListener',
'sendMessage', 'log', 'pass', 'fail'];
var listeners = {};
// add a listener for a specific message type
function addListener(msgType, listener) {
if (listeners[msgType] === undefined) {
listeners[msgType] = [];
}
listeners[msgType].push(listener);
}
// add each method in an object as a message listener
function addObject(object) {
for (var msgType in object) {
addListener(msgType, object[msgType]);
}
}
// remove a listener for all message types
function removeListener(listener) {
for (var msgType in listeners) {
for (let i = 0; i < listeners.length; ++i) {
if (listeners[msgType][i] == listener) {
listeners[msgType].splice(i, 1); // remove listener from array
}
}
}
}
function sendMessage(msgType, obj) {
if (listeners[msgType] === undefined) {
return;
}
for (let i = 0; i < listeners[msgType].length; ++i) {
listeners[msgType][i](obj);
}
}
function log(obj) {
sendMessage('log', obj);
}
function pass(obj) {
sendMessage('pass', obj);
}
function fail(obj) {
sendMessage('fail', obj);
}
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