/*******************************************************************************

    µBlock - a browser extension to block requests.
    Copyright (C) 2014 The µBlock authors

    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 3 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, see {http://www.gnu.org/licenses/}.

    Home: https://github.com/gorhill/uBlock
*/

/* global APP_SHUTDOWN */
/* exported startup, shutdown, install, uninstall */

'use strict';

/******************************************************************************/

let bgProcess;

/******************************************************************************/

function startup(data) {
    let {AddonManager} = Components.utils['import'](
        'resource://gre/modules/AddonManager.jsm',
        null
    );

    AddonManager.getAddonByID(data.id, addon => {
        let hDoc = Components.classes['@mozilla.org/appshell/appShellService;1']
            .getService(Components.interfaces.nsIAppShellService)
            .hiddenDOMWindow.document;

        bgProcess = hDoc.documentElement.appendChild(
            hDoc.createElementNS('http://www.w3.org/1999/xhtml', 'iframe')
        );

        let bgURI = 'chrome://ublock/content/background.html';

        // send addon data synchronously to the background script
        bgProcess.src = bgURI + '#' + [addon.name, addon.version];
    });
}

/******************************************************************************/

function shutdown(data, reason) {
    if (reason !== APP_SHUTDOWN) {
        bgProcess.parentNode.removeChild(bgProcess);
    }
}

/******************************************************************************/

function install() {
    // https://bugzil.la/719376
    Components.classes['@mozilla.org/intl/stringbundle;1']
        .getService(Components.interfaces.nsIStringBundleService).flushBundles();
}

/******************************************************************************/

function uninstall() {}

/******************************************************************************/