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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
this.EXPORTED_SYMBOLS = ['appIdleManager'];
Components.utils.import("resource://gre/modules/Services.jsm");
var Cc = Components.classes;
var Ci = Components.interfaces;
// This module provides a mechanism to turn window focus and blur events
// into app idle notifications. If we get a blur notification that is not
// followed by a focus notification in less than some small number of seconds,
// then we send a begin app idle notification.
// If we get a focus event, and we're app idle, then we send an end app idle
// notification.
// The notification topic is "mail:appIdle", the values are "idle", and "back"
var appIdleManager =
{
_appIdle: false,
_timerInterval: 5000, // 5 seconds ought to be plenty
get _timer()
{
delete this._timer;
return this._timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
},
_timerCallback: function()
{
appIdleManager._appIdle = true;
Services.obs.notifyObservers(null, "mail:appIdle", "idle");
},
onBlur: function()
{
appIdleManager._timer.initWithCallback(appIdleManager._timerCallback,
appIdleManager._timerInterval,
Ci.nsITimer.TYPE_ONE_SHOT);
},
onFocus: function()
{
appIdleManager._timer.cancel();
if (appIdleManager._appIdle)
{
appIdleManager._appIdle = false;
Services.obs.notifyObservers(null, "mail:appIdle", "back");
}
}
};
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