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/* -*- Mode: IDL; 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/. */
#include "nsISupports.idl"
interface nsIObserver;
/**
* This interface lets you monitor how long the user has been 'idle',
* i.e. not used their mouse or keyboard. You can get the idle time directly,
* but in most cases you will want to register an observer for a predefined
* interval. The observer will get an 'idle' notification when the user is idle
* for that interval (or longer), and receive an 'active' notification when the
* user starts using their computer again.
*/
[scriptable, uuid(cc52f19a-63ae-4a1c-9cc3-e79eace0b471)]
interface nsIUserIdleService : nsISupports
{
/**
* The amount of time in milliseconds that has passed
* since the last user activity.
*
* If we do not have a valid idle time to report, 0 is returned
* (this can happen if the user never interacted with the browser
* at all, and if we are also unable to poll for idle time manually).
*/
readonly attribute unsigned long idleTime;
/**
* Add an observer to be notified when the user idles for some period of
* time, and when they get back from that.
*
* @param observer the observer to be notified
* @param time the amount of time in seconds the user should be idle before
* the observer should be notified.
*
* @note
* The subject of the notification the observer will get is always the
* nsIUserIdleService itself.
* When the user goes idle, the observer topic is "idle" and when he gets
* back, the observer topic is "active".
* The data param for the notification contains the current user idle time.
*
* @note
* You can add the same observer twice.
* @note
* Most implementations need to poll the OS for idle info themselves,
* meaning your notifications could arrive with a delay up to the length
* of the polling interval in that implementation.
* Current implementations use a delay of 5 seconds.
*/
void addIdleObserver(in nsIObserver observer, in unsigned long time);
/**
* Remove an observer registered with addIdleObserver.
* @param observer the observer that needs to be removed.
* @param time the amount of time they were listening for.
* @note
* Removing an observer will remove it once, for the idle time you specify.
* If you have added an observer multiple times, you will need to remove it
* just as many times.
*/
void removeIdleObserver(in nsIObserver observer, in unsigned long time);
/**
* If true, the idle service is temporarily disabled, and all idle events
* will be ignored.
*
* This should only be used in automation.
*/
attribute boolean disabled;
};
%{C++
/**
* Observer topic notification for idle window: OBSERVER_TOPIC_IDLE.
* Observer topic notification for active window: OBSERVER_TOPIC_ACTIVE.
*/
#define OBSERVER_TOPIC_IDLE "idle"
#define OBSERVER_TOPIC_ACTIVE "active"
#define OBSERVER_TOPIC_IDLE_DAILY "idle-daily"
%}
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