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Diffstat (limited to '')
-rw-r--r-- | browser/components/newtab/lib/SystemTickFeed.sys.mjs | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/browser/components/newtab/lib/SystemTickFeed.sys.mjs b/browser/components/newtab/lib/SystemTickFeed.sys.mjs new file mode 100644 index 0000000000..d87860fab2 --- /dev/null +++ b/browser/components/newtab/lib/SystemTickFeed.sys.mjs @@ -0,0 +1,70 @@ +/* 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/. */ + +import { actionTypes as at } from "resource://activity-stream/common/Actions.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + clearInterval: "resource://gre/modules/Timer.sys.mjs", + setInterval: "resource://gre/modules/Timer.sys.mjs", +}); + +// Frequency at which SYSTEM_TICK events are fired +export const SYSTEM_TICK_INTERVAL = 5 * 60 * 1000; + +export class SystemTickFeed { + init() { + this._idleService = Cc["@mozilla.org/widget/useridleservice;1"].getService( + Ci.nsIUserIdleService + ); + this._hasObserver = false; + this.setTimer(); + } + + setTimer() { + this.intervalId = lazy.setInterval(() => { + if (this._idleService.idleTime > SYSTEM_TICK_INTERVAL) { + this.cancelTimer(); + Services.obs.addObserver(this, "user-interaction-active"); + this._hasObserver = true; + return; + } + this.dispatchTick(); + }, SYSTEM_TICK_INTERVAL); + } + + cancelTimer() { + lazy.clearInterval(this.intervalId); + this.intervalId = null; + } + + observe() { + this.dispatchTick(); + Services.obs.removeObserver(this, "user-interaction-active"); + this._hasObserver = false; + this.setTimer(); + } + + dispatchTick() { + ChromeUtils.idleDispatch(() => + this.store.dispatch({ type: at.SYSTEM_TICK }) + ); + } + + onAction(action) { + switch (action.type) { + case at.INIT: + this.init(); + break; + case at.UNINIT: + this.cancelTimer(); + if (this._hasObserver) { + Services.obs.removeObserver(this, "user-interaction-active"); + this._hasObserver = false; + } + break; + } + } +} |