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---

/**
 * New Mail Notifier plugin script
 *
 * @version 0.3
 * @author Aleksander Machniak <alec@alec.pl>
 */

if (window.rcmail && rcmail.env.task == 'mail') {
    rcmail.addEventListener('plugin.newmail_notifier', newmail_notifier_run);
    rcmail.addEventListener('actionbefore', newmail_notifier_stop);
    rcmail.addEventListener('init', function() {
        // bind to messages list select event, so favicon will be reverted on message preview too
        if (rcmail.message_list)
            rcmail.message_list.addEventListener('select', newmail_notifier_stop);
    });
}

// Executes notification methods
function newmail_notifier_run(prop)
{
    if (prop.basic)
        newmail_notifier_basic();
    if (prop.sound)
        newmail_notifier_sound();
    if (prop.desktop)
        newmail_notifier_desktop(rcmail.gettext('body', 'newmail_notifier'));
}

// Stops notification
function newmail_notifier_stop(prop)
{
    // revert original favicon
    if (rcmail.env.favicon_href && (!prop || prop.action != 'check-recent')) {
        $('<link rel="shortcut icon" href="'+rcmail.env.favicon_href+'"/>').replaceAll('link[rel="shortcut icon"]');
        rcmail.env.favicon_href = null;
    }
}

// Basic notification: window.focus and favicon change
function newmail_notifier_basic()
{
    var w = rcmail.is_framed() ? window.parent : window;

    w.focus();

    // we cannot simply change a href attribute, we must to replace the link element (at least in FF)
    var link = $('<link rel="shortcut icon" href="plugins/newmail_notifier/favicon.ico"/>'),
        oldlink = $('link[rel="shortcut icon"]', w.document);

    rcmail.env.favicon_href = oldlink.attr('href');
    link.replaceAll(oldlink);
}

// Sound notification
function newmail_notifier_sound()
{
    var elem, src = 'plugins/newmail_notifier/sound.wav';

    // HTML5
    try {
        elem = $('<audio src="' + src + '" />');
        elem.get(0).play();
    }
    // old method
    catch (e) {
        elem = $('<embed id="sound" src="' + src + '" hidden=true autostart=true loop=false />');
        elem.appendTo($('body'));
        window.setTimeout("$('#sound').remove()", 5000);
    }
}

// Desktop notification (need Chrome or Firefox with a plugin)
function newmail_notifier_desktop(body)
{
    var dn = window.webkitNotifications;

    if (dn && !dn.checkPermission()) {
        if (rcmail.newmail_popup)
            rcmail.newmail_popup.cancel();
        var popup = window.webkitNotifications.createNotification('plugins/newmail_notifier/mail.png',
            rcmail.gettext('title', 'newmail_notifier'), body);
        popup.onclick = function() {
            this.cancel();
        }
        popup.show();
        setTimeout(function() { popup.cancel(); }, 10000); // close after 10 seconds
        rcmail.newmail_popup = popup;
        return true;
    }

    return false;
}

function newmail_notifier_test_desktop()
{
    var dn = window.webkitNotifications,
        txt = rcmail.gettext('testbody', 'newmail_notifier');

    if (dn) {
        if (!dn.checkPermission())
            newmail_notifier_desktop(txt);
        else
            dn.requestPermission(function() {
                if (!newmail_notifier_desktop(txt))
                    rcmail.display_message(rcmail.gettext('desktopdisabled', 'newmail_notifier'), 'error');
            });
    }
    else
        rcmail.display_message(rcmail.gettext('desktopunsupported', 'newmail_notifier'), 'error');
}

function newmail_notifier_test_basic()
{
    newmail_notifier_basic();
}

function newmail_notifier_test_sound()
{
    newmail_notifier_sound();
}