/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Telephony.
 *
 * The Initial Developer of the Original Code is
 * the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Blake Kaplan <mrbkap@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"
#include "nsIDOMDOMRequest.idl"
#include "nsIDOMEvent.idl"

[scriptable, uuid(abb936bc-ba81-4c23-8dfa-3e5d96557044)]
interface nsIWifi : nsISupports {
    /**
     * Shutdown the wifi system.
     */
    void shutdown();
};

[scriptable, uuid(e3d5a7d7-6abd-4ac2-83dc-5315ec08a1c3)]
interface nsIDOMWifiManager : nsISupports {
    /**
     * TODO Remove in favor of a settings API.
     * Activates or disactivates wifi.
     * onsuccess: Wifi has been successfully activated and can start
     *            attempting to connect to networks. request.value will be true.
     * onerror: Wifi was not successfully activated. (TODO provide details!)
     */
    nsIDOMDOMRequest setEnabled(in boolean enabled);

    /**
     * Returns the list of currently available networks as well as the list of
     * currently configured networks.
     * onsuccess: We have obtained the current list of networks. request.value
     *            is an object whose property names are SSIDs and values are
     *            network objects.
     * onerror: We were unable to obtain a list of property names.
     */
    nsIDOMDOMRequest getNetworks();

    /**
     * Takes one of the networks returned from getNetworks and tries to
     * connect to it.
     * @param network A network object with information about the network,
     *                such as the SSID, key management desired, etc.
     * onsuccess: We have started attempting to associate with the network.
     *            request.value is true.
     * onerror: We were unable to select the network. This most likely means a
     *          configuration error.
     */
    nsIDOMDOMRequest associate(in jsval network);

    /**
     * Given a network, removes it from the list of networks that we'll
     * automatically connect to. In order to re-connect to the network, it is
     * necessary to call associate on it.
     * @param network A network object with the SSID of the network to remove.
     * onsuccess: We have removed this network. If we were previously
     *            connected to it, we have started reconnecting to the next
     *            network in the list.
     * onerror: We were unable to remove the network.
     */
    nsIDOMDOMRequest forget(in jsval network);

    /**
     * TODO Remove in favor of a settings API.
     * Returns whether or not wifi is currently enabled.
     */
    readonly attribute boolean enabled;

    /**
     * An non-null object containing the following information:
     *  - status ("disconnected", "connecting", "associated", "connected")
     *  - network
     *
     *  Note that the object returned is read only. Any changes required must
     *  be done by calling other APIs.
     */
    readonly attribute jsval connection;

    /**
     * A connectionInformation object with the same information found in an
     * nsIDOMWifiConnectionInfoEvent (but without the network).
     * If we are not currently connected to a network, this will be null.
     */
    readonly attribute jsval connectionInformation;

    /**
     * State notification listeners. These all take an
     * nsIDOMWifiStatusChangeEvent with the new status and a network (which
     * may be null).
     *
     * The possible statuses are:
     *   - connecting: Fires when we start the process of connecting to a
     *                 network.
     *   - associated: Fires when we have connected to an access point but do
     *                 not yet have an IP address.
     *   - connected: Fires once we are fully connected to an access point and
     *                can access the internet.
     *   - disconnected: Fires when we either fail to connect to an access
     *                   point (transition: associated -> disconnected) or
     *                   when we were connected to a network but have
     *                   disconnected for any reason (transition: connected ->
     *                   disconnected).
     */
             attribute nsIDOMEventListener onstatuschange;

    /**
     * An event listener that is called with information about the signal
     * strength and link speed every 5 seconds.
     */
             attribute nsIDOMEventListener connectionInfoUpdate;
};

[scriptable, uuid(4674c6f1-ea64-44db-ac2f-e7bd6514dfd6)]
interface nsIDOMWifiStatusChangeEvent : nsIDOMEvent {
    /**
     * Network object with a SSID field describing the network affected by
     * this change. This might be null.
     */
    readonly attribute jsval network;

    /**
     * String describing the current status of the wifi manager. See above for
     * the possible values.
     */
    readonly attribute string status;
};

[scriptable, uuid(5c9ee332-dd98-4227-b7fc-768418fd50e3)]
interface nsIDOMWifiConnectionInfoEvent : nsIDOMEvent {
    /**
     * Network object with an SSID field.
     */
    readonly attribute jsval network;

    /**
     * Strength of the signal to network, in dBm between -55 and -100 dBm.
     */
    readonly attribute short signalStrength;

    /**
     * Relative signal strength between 0 and 100.
     */
    readonly attribute short relSignalStrength;

    /**
     * Link spead in Mb/s.
     */
    readonly attribute long linkSpeed;
};
