~azzar1/unity/add-show-desktop-key

/* IVLE - Informatics Virtual Learning Environment

 * Copyright (C) 2007-2008 The University of Melbourne

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 *

 * Module: Terms of Service

 * Author: Matt Giuca

 * Date: 14/2/2008

 *

 * Client handler for the "Terms of Service" page.

 * (Accepts user's acceptance, and calls usermgt to create the user's jail and

 * activate their account).

 */

/* The user must send this declaration message to ensure they acknowledge the

 * TOS.

 * (This is the exact same string as in userservice).

 */

USER_DECLARATION = {"declaration":

                        "I accept the IVLE Terms of Service"};

/** Creates a "dot dot dot" animation to indicate the client is waiting for a

 * response from the server.

 * This will keep animating forever.

 * Returns a DOM element which will automatically have its contents changed on

 * intervals.

 */

function make_dots_anim()

{

    var p = document.createElement("p");

    anim_dots = document.createTextNode("");

    p.appendChild(anim_dots);

    setInterval("anim_dots.data = updateDots(anim_dots.data);", 500);

    return p;

}

function updateDots(text)

{

    if (text.length >= 4)

        return ".";

    else

        return text + ".";

}

function accept_license()

{

    /* The user has accepted the license.

     * We need to call usermgt to tell it the good news.

     * It will go away and make the user's jail and activate the account in

     * the DB, among other things.

     * This could take awhile (which is why we're using Ajax).

     * We need to wait on this page for the server's response.

     */

    /* Start by clearing away these buttons. */

    var tos_acceptbuttons = document.getElementById("tos_acceptbuttons");

    dom_removechildren(tos_acceptbuttons);

    /* Print a "please wait" message */

    tos_acceptbuttons.appendChild(dom_make_text_elem("p",

        "IVLE is now setting up your environment. Please wait..."));

    tos_acceptbuttons.appendChild(make_dots_anim());

    /* Make the Ajax request */

    ajax_call(handle_accept_response, "userservice", "activate_me",

        USER_DECLARATION, "POST")

}

function handle_accept_response(xhr)

{

    /* TEMP */

    var tos_acceptbuttons = document.getElementById("tos_acceptbuttons");

    dom_removechildren(tos_acceptbuttons);

    try

    {

        response = JSON.parse(xhr.responseText);

    }

    catch (e)

    {

        response = {'response': 'parse-failure'};

    }

    if (response.response == 'usrmgt-failure')

    {

    tos_acceptbuttons.appendChild(dom_make_text_elem("p",

        "Error connecting to User Management server. Please try again later.")); 

    }

    else if (response.response == 'parse-failure')

    {

    tos_acceptbuttons.appendChild(dom_make_text_elem("p",

        "Error connecting to server. Please try again later. "));

    }

    else

    {

        /* Refresh the page; as the user is now (apparently) logged in */

        window.location.href = window.location.href;

    }

}

function decline_license()

{

    /* Redirect to the logout page */

    window.location.href = app_path("logout");

}