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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/. */
'use strict';
module.metadata = {
"stability": "deprecated"
};
const { CC, Ci } = require('chrome');
const { when: unload } = require('./system/unload');
const { TYPE_ONE_SHOT, TYPE_REPEATING_SLACK } = Ci.nsITimer;
const Timer = CC('@mozilla.org/timer;1', 'nsITimer');
const timers = Object.create(null);
// Last timer id.
let lastID = 0;
// Sets typer either by timeout or by interval
// depending on a given type.
function setTimer(type, callback, delay) {
let id = ++ lastID;
let timer = timers[id] = Timer();
let args = Array.slice(arguments, 3);
timer.initWithCallback({
notify: function notify() {
try {
if (type === TYPE_ONE_SHOT)
delete timers[id];
callback.apply(null, args);
}
catch(error) {
console.exception(error);
}
}
}, delay || 0, type);
return id;
}
function unsetTimer(id) {
let timer = timers[id];
delete timers[id];
if (timer)
timer.cancel();
}
exports.setTimeout = setTimer.bind(null, TYPE_ONE_SHOT);
exports.setInterval = setTimer.bind(null, TYPE_REPEATING_SLACK);
exports.clearTimeout = unsetTimer.bind(null);
exports.clearInterval = unsetTimer.bind(null);
unload(function() { Object.keys(timers).forEach(unsetTimer) });
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