76 lines
1.9 KiB
JavaScript
76 lines
1.9 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { actionTypes: at } = ChromeUtils.importESModule(
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"resource://activity-stream/common/Actions.sys.mjs"
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);
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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clearInterval: "resource://gre/modules/Timer.sys.mjs",
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setInterval: "resource://gre/modules/Timer.sys.mjs",
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});
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// Frequency at which SYSTEM_TICK events are fired
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const SYSTEM_TICK_INTERVAL = 5 * 60 * 1000;
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class SystemTickFeed {
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init() {
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this._idleService = Cc["@mozilla.org/widget/useridleservice;1"].getService(
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Ci.nsIUserIdleService
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);
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this._hasObserver = false;
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this.setTimer();
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}
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setTimer() {
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this.intervalId = lazy.setInterval(() => {
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if (this._idleService.idleTime > SYSTEM_TICK_INTERVAL) {
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this.cancelTimer();
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Services.obs.addObserver(this, "user-interaction-active");
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this._hasObserver = true;
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return;
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}
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this.dispatchTick();
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}, SYSTEM_TICK_INTERVAL);
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}
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cancelTimer() {
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lazy.clearInterval(this.intervalId);
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this.intervalId = null;
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}
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observe() {
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this.dispatchTick();
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Services.obs.removeObserver(this, "user-interaction-active");
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this._hasObserver = false;
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this.setTimer();
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}
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dispatchTick() {
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ChromeUtils.idleDispatch(() =>
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this.store.dispatch({ type: at.SYSTEM_TICK })
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);
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}
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onAction(action) {
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switch (action.type) {
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case at.INIT:
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this.init();
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break;
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case at.UNINIT:
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this.cancelTimer();
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if (this._hasObserver) {
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Services.obs.removeObserver(this, "user-interaction-active");
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this._hasObserver = false;
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}
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break;
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}
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}
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}
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const EXPORTED_SYMBOLS = ["SystemTickFeed", "SYSTEM_TICK_INTERVAL"];
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