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// Copyright 2018 the Deno authors. All rights reserved. MIT license.
import { assert } from "./util";
import * as util from "./util";
import { deno as fbs } from "gen/msg_generated";
import { flatbuffers } from "flatbuffers";
import { libdeno } from "./globals";
let nextTimerId = 1;
// tslint:disable-next-line:no-any
export type TimerCallback = (...args: any[]) => void;
interface Timer {
id: number;
cb: TimerCallback;
interval: boolean;
// tslint:disable-next-line:no-any
args: any[];
delay: number; // milliseconds
}
const timers = new Map<number, Timer>();
/** @internal */
export function onMessage(msg: fbs.TimerReady) {
const timerReadyId = msg.id();
const timerReadyDone = msg.done();
const timer = timers.get(timerReadyId);
if (!timer) {
return;
}
timer.cb(...timer.args);
if (timerReadyDone) {
timers.delete(timerReadyId);
}
}
function startTimer(
cb: TimerCallback,
delay: number,
interval: boolean,
// tslint:disable-next-line:no-any
args: any[]
): number {
const timer = {
id: nextTimerId++,
interval,
delay,
args,
cb
};
timers.set(timer.id, timer);
util.log("timers.ts startTimer");
// Send TimerStart message
const builder = new flatbuffers.Builder();
fbs.TimerStart.startTimerStart(builder);
fbs.TimerStart.addId(builder, timer.id);
fbs.TimerStart.addInterval(builder, timer.interval);
fbs.TimerStart.addDelay(builder, timer.delay);
const msg = fbs.TimerStart.endTimerStart(builder);
fbs.Base.startBase(builder);
fbs.Base.addMsg(builder, msg);
fbs.Base.addMsgType(builder, fbs.Any.TimerStart);
builder.finish(fbs.Base.endBase(builder));
const resBuf = libdeno.send(builder.asUint8Array());
assert(resBuf == null);
return timer.id;
}
export function setTimeout(
cb: TimerCallback,
delay: number,
// tslint:disable-next-line:no-any
...args: any[]
): number {
return startTimer(cb, delay, false, args);
}
export function setInterval(
cb: TimerCallback,
delay: number,
// tslint:disable-next-line:no-any
...args: any[]
): number {
return startTimer(cb, delay, true, args);
}
export function clearTimer(id: number) {
timers.delete(id);
const builder = new flatbuffers.Builder();
fbs.TimerClear.startTimerClear(builder);
fbs.TimerClear.addId(builder, id);
const msg = fbs.TimerClear.endTimerClear(builder);
fbs.Base.startBase(builder);
fbs.Base.addMsg(builder, msg);
fbs.Base.addMsgType(builder, fbs.Any.TimerClear);
builder.finish(fbs.Base.endBase(builder));
const resBuf = libdeno.send(builder.asUint8Array());
assert(resBuf == null);
}
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